fix Mixin annotation processor requirements

keep stitch() call in original method body, in case others want to mod it too

build.gradle

@@ -1,62 +0,0 @@
-apply plugin: "net.minecraftforge.gradle.forge"
-apply plugin: 'kotlin'
-
-archivesBaseName = jarName
-
-buildscript {
-    repositories {
-        mavenCentral()
-        maven {
-            name = "forge"
-            url = "http://files.minecraftforge.net/maven"
-        }
-    }
-    dependencies {
-        classpath "net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
-repositories {
-    mavenCentral()
-    jcenter()
-    maven {
-        name = "shadowfacts"
-        url = "https://maven.shadowfacts.net/"
-    }
-}
-
-dependencies {
-    compile "net.shadowfacts:Forgelin:$forgelin_version"
-}
-
-minecraft {
-    version = mc_version + "-" + forge_version
-    mappings = mcp_mappings
-    runDir = 'run'
-}
-processResources {
-    from(sourceSets.main.resources) { exclude 'mcmod.info' }
-    from(sourceSets.main.resources) { include 'mcmod.info' expand 'version':version, 'mcversion':minecraft.version }
-
-    into "${buildDir}/classes/main"
-}
-
-def manifestCfg = {
-    attributes "FMLCorePlugin": "mods.betterfoliage.loader.BetterFoliageLoader"
-    attributes "FMLCorePluginContainsFMLMod": "mods.betterfoliage.BetterFoliageMod"
-    attributes "FMLAT": "BetterFoliage_at.cfg"
-}
-
-jar {
-    manifest manifestCfg
-    exclude "optifine"
-}
-
-task sourcesJar(type: Jar, dependsOn: classes) {
-    classifier = 'sources'
-    manifest manifestCfg
-    from(sourceSets.main.kotlin)
-    from(sourceSets.main.resources) { exclude 'mcmod.info' }
-    from(sourceSets.main.resources) { include 'mcmod.info' expand 'version':version, 'mcversion':minecraft.version }
-}

build.gradle.kts

@@ -0,0 +1,59 @@
+plugins {
+    kotlin("jvm").version("1.3.61")
+    id("net.minecraftforge.gradle").version("3.0.157")
+    id("org.spongepowered.mixin").version("0.7-SNAPSHOT")
+}
+apply(plugin = "org.spongepowered.mixin")
+
+repositories {
+    maven("http://files.minecraftforge.net/maven")
+    maven("https://repo.spongepowered.org/maven")
+    maven("https://minecraft.curseforge.com/api/maven")
+}
+
+dependencies {
+    "minecraft"("net.minecraftforge:forge:${properties["mcVersion"]}-${properties["forgeVersion"]}")
+
+    "implementation"("kottle:Kottle:${properties["kottleVersion"]}")
+    "implementation"("org.spongepowered:mixin:0.8-SNAPSHOT")
+}
+
+configurations["annotationProcessor"].extendsFrom(configurations["implementation"])
+sourceSets {
+    get("main").ext["refMap"] = "betterfoliage.refmap.json"
+}
+
+minecraft {
+    mappings(properties["mappingsChannel"] as String, properties["mappingsVersion"] as String)
+    accessTransformer(file("src/main/resources/META-INF/accesstransformer.cfg"))
+
+    runs.create("client") {
+        workingDirectory(file("run"))
+        properties["forge.logging.markers"] = "CORE"
+        properties["forge.logging.console.level"] = "debug"
+        mods.create("betterfoliage") {
+            source(sourceSets["main"])
+        }
+    }
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+kotlin {
+    target.compilations.configureEach {
+        kotlinOptions.freeCompilerArgs += listOf("-Xno-param-assertions", "-Xno-call-assertions")
+    }
+}
+
+tasks.getByName<Jar>("jar") {
+    archiveName = "BetterFoliage-${project.version}-Forge-${properties["mcVersion"]}.jar"
+    manifest {
+        from(file("src/main/resources/META-INF/MANIFEST.MF"))
+        attributes["Implementation-Version"] = project.version
+    }
+    exclude("net")
+    filesMatching("META-INF/mods.toml") { expand(project.properties) }
+}

gradle.properties

@@ -1,11 +1,14 @@
+org.gradle.jvmargs=-Xmx2G
+org.gradle.daemon=false
+
 group = com.github.octarine-noise
-jarName = BetterFoliage-MC1.12
+jarName = BetterFoliage-Forge
 
-version = 2.3.1
+version = 2.5.0
 
-mc_version = 1.12.2
-forge_version = 14.23.5.2847
-mcp_mappings = stable_39
+mcVersion = 1.14.4
+forgeVersion = 28.1.109
+mappingsChannel = snapshot
+mappingsVersion = 20190719-1.14.3
 
-kotlin_version = 1.3.40
-forgelin_version = 1.8.4
+kottleVersion = 1.4.0

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

settings.gradle

@@ -1,2 +0,0 @@
-rootProject.name = 'BetterFoliage'
-

settings.gradle.kts

@@ -0,0 +1,13 @@
+pluginManagement {
+    repositories {
+        maven("http://files.minecraftforge.net/maven")
+        maven("https://repo.spongepowered.org/maven")
+        gradlePluginPortal()
+    }
+    resolutionStrategy {
+        eachPlugin {
+            if (requested.id.let { it.namespace == "net.minecraftforge" && it.name == "gradle"} ) useModule("net.minecraftforge.gradle:ForgeGradle:${requested.version}")
+            if (requested.id.let { it.namespace == "org.spongepowered" && it.name == "mixin"} ) useModule("org.spongepowered:mixingradle:${requested.version}")
+        }
+    }
+}

src/main/java/mods/betterfoliage/MixinConnector.java

@@ -0,0 +1,19 @@
+package mods.betterfoliage;
+
+import org.spongepowered.asm.mixin.Mixins;
+import org.spongepowered.asm.mixin.connect.IMixinConnector;
+
+public class MixinConnector implements IMixinConnector {
+    @Override
+    public void connect() {
+        Mixins.addConfiguration("betterfoliage.common.mixins.json");
+
+        try {
+            Class.forName("optifine.OptiFineTransformationService");
+            Mixins.addConfiguration("betterfoliage.optifine.mixins.json");
+        } catch (ClassNotFoundException e) {
+            Mixins.addConfiguration("betterfoliage.vanilla.mixins.json");
+        }
+
+    }
+}

src/main/java/mods/betterfoliage/loader/BetterFoliageLoader.java

@@ -1,38 +0,0 @@
-package mods.betterfoliage.loader;
-
-import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin;
-
-import java.util.Map;
-
-@IFMLLoadingPlugin.TransformerExclusions({
-    "mods.betterfoliage.loader",
-    "mods.octarinecore.metaprog",
-    "kotlin"
-})
-@IFMLLoadingPlugin.MCVersion("1.12.2")
-@IFMLLoadingPlugin.SortingIndex(1400)
-public class BetterFoliageLoader implements IFMLLoadingPlugin {
-    @Override
-    public String[] getASMTransformerClass() {
-        return new String[] { "mods.betterfoliage.loader.BetterFoliageTransformer" };
-    }
-
-    @Override
-    public String getModContainerClass() {
-        return null;
-    }
-
-    @Override
-    public String getSetupClass() {
-        return null;
-    }
-
-    @Override
-    public void injectData(Map<String, Object> data) {
-    }
-
-    @Override
-    public String getAccessTransformerClass() {
-        return null;
-    }
-}

src/main/java/mods/betterfoliage/mixin/MixinBlock.java

@@ -0,0 +1,29 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.Hooks;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.util.Direction;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.shapes.VoxelShape;
+import net.minecraft.world.IBlockReader;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+/**
+ * Mixin overriding the {@link VoxelShape} used for the neighbor block in {@link Block}.shouldSideBeRendered().
+ *
+ * This way log blocks can be made to not block rendering, without altering any {@link Block} or
+ * {@link BlockState} properties with potential gameplay ramifications.
+ */
+@Mixin(Block.class)
+public class MixinBlock {
+    private static final String shouldSideBeRendered = "Lnet/minecraft/block/Block;shouldSideBeRendered(Lnet/minecraft/block/BlockState;Lnet/minecraft/world/IBlockReader;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/Direction;)Z";
+    private static final String getVoxelShape = "Lnet/minecraft/block/BlockState;func_215702_a(Lnet/minecraft/world/IBlockReader;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/Direction;)Lnet/minecraft/util/math/shapes/VoxelShape;";
+
+    @Redirect(method = shouldSideBeRendered, at = @At(value = "INVOKE", target = getVoxelShape, ordinal = 1))
+    private static VoxelShape getVoxelShapeOverride(BlockState state, IBlockReader reader, BlockPos pos, Direction dir) {
+        return Hooks.getVoxelShapeOverride(state, reader, pos, dir);
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinBlockState.java

@@ -0,0 +1,27 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.Hooks;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IBlockReader;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+/**
+ * Mixin to override the result of {@link BlockState}.getAmbientOcclusionLightValue().
+ *
+ * Needed to avoid excessive darkening of Round Logs at the corners, now that they are not full blocks.
+ */
+@Mixin(BlockState.class)
+@SuppressWarnings({"UnnecessaryQualifiedMemberReference", "deprecation"})
+public class MixinBlockState {
+    private static final String callFrom = "Lnet/minecraft/block/BlockState;func_215703_d(Lnet/minecraft/world/IBlockReader;Lnet/minecraft/util/math/BlockPos;)F";
+    private static final String callTo = "Lnet/minecraft/block/Block;func_220080_a(Lnet/minecraft/block/BlockState;Lnet/minecraft/world/IBlockReader;Lnet/minecraft/util/math/BlockPos;)F";
+
+    @Redirect(method = callFrom, at = @At(value = "INVOKE", target = callTo))
+    float getAmbientOcclusionValue(Block block, BlockState state, IBlockReader reader, BlockPos pos) {
+        return Hooks.getAmbientOcclusionLightValueOverride(block.func_220080_a(state, reader, pos), state);
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinChunkRender.java

@@ -0,0 +1,28 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.Hooks;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.renderer.BlockRendererDispatcher;
+import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.chunk.ChunkRender;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IEnviromentBlockReader;
+import net.minecraftforge.client.MinecraftForgeClient;
+import net.minecraftforge.client.model.data.IModelData;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import java.util.Random;
+
+@Mixin(ChunkRender.class)
+public class MixinChunkRender {
+
+    private static final String rebuildChunk = "rebuildChunk(FFFLnet/minecraft/client/renderer/chunk/ChunkRenderTask;)V";
+    private static final String renderBlock = "Lnet/minecraft/client/renderer/BlockRendererDispatcher;renderBlock(Lnet/minecraft/block/BlockState;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/world/IEnviromentBlockReader;Lnet/minecraft/client/renderer/BufferBuilder;Ljava/util/Random;Lnet/minecraftforge/client/model/data/IModelData;)Z";
+
+    @Redirect(method = rebuildChunk, at = @At(value = "INVOKE", target = renderBlock))
+    public boolean renderBlock(BlockRendererDispatcher dispatcher, BlockState state, BlockPos pos, IEnviromentBlockReader reader, BufferBuilder buffer, Random random, IModelData modelData) {
+        return Hooks.renderWorldBlock(dispatcher, state, pos, reader, buffer, random, modelData, MinecraftForgeClient.getRenderLayer());
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinChunkRenderVanilla.java

@@ -0,0 +1,21 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.Hooks;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.renderer.chunk.ChunkRender;
+import net.minecraft.util.BlockRenderLayer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(ChunkRender.class)
+public class MixinChunkRenderVanilla {
+
+    private static final String rebuildChunk = "rebuildChunk(FFFLnet/minecraft/client/renderer/chunk/ChunkRenderTask;)V";
+    private static final String canRenderInLayer = "Lnet/minecraft/block/BlockState;canRenderInLayer(Lnet/minecraft/util/BlockRenderLayer;)Z";
+
+    @Redirect(method = rebuildChunk, at = @At(value = "INVOKE", target = canRenderInLayer))
+    boolean canRenderInLayer(BlockState state, BlockRenderLayer layer) {
+        return Hooks.canRenderInLayerOverride(state, layer);
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinClientWorld.java

@@ -0,0 +1,44 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.Hooks;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.renderer.WorldRenderer;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IBlockReader;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import java.util.Random;
+
+@Mixin(ClientWorld.class)
+public class MixinClientWorld {
+
+    private static final String worldAnimateTick = "Lnet/minecraft/client/world/ClientWorld;animateTick(IIIILjava/util/Random;ZLnet/minecraft/util/math/BlockPos$MutableBlockPos;)V";
+    private static final String blockAnimateTick = "Lnet/minecraft/block/Block;animateTick(Lnet/minecraft/block/BlockState;Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Ljava/util/Random;)V";
+
+    private static final String worldNotify = "Lnet/minecraft/client/world/ClientWorld;notifyBlockUpdate(Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;Lnet/minecraft/block/BlockState;I)V";
+    private static final String rendererNotify = "Lnet/minecraft/client/renderer/WorldRenderer;notifyBlockUpdate(Lnet/minecraft/world/IBlockReader;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;Lnet/minecraft/block/BlockState;I)V";
+
+    /**
+     * Inject a callback to call for every random display tick. Used for adding custom particle effects to blocks.
+     */
+    @Redirect(method = worldAnimateTick, at = @At(value = "INVOKE", target = blockAnimateTick))
+    void onAnimateTick(Block block, BlockState state, World world, BlockPos pos, Random random) {
+        Hooks.onRandomDisplayTick(block, state, world, pos, random);
+        block.animateTick(state, world, pos, random);
+    }
+
+    /**
+     * Inject callback to get notified of client-side blockstate changes.
+     * Used to invalidate caches in the {@link mods.betterfoliage.client.chunk.ChunkOverlayManager}
+     */
+    @Redirect(method = worldNotify, at = @At(value = "INVOKE", target = rendererNotify))
+    void onClientBlockChanged(WorldRenderer renderer, IBlockReader world, BlockPos pos, BlockState oldState, BlockState newState, int flags) {
+        Hooks.onClientBlockChanged((ClientWorld) world, pos, oldState, newState, flags);
+        renderer.notifyBlockUpdate(world, pos, oldState, newState, flags);
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinModelBakery.java

@@ -0,0 +1,29 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.BetterFoliage;
+import net.minecraft.client.renderer.model.ModelBakery;
+import net.minecraft.client.renderer.texture.AtlasTexture;
+import net.minecraft.profiler.IProfiler;
+import net.minecraft.resources.IResourceManager;
+import net.minecraft.util.ResourceLocation;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(ModelBakery.class)
+abstract public class MixinModelBakery {
+
+    private static final String processLoading = "processLoading(Lnet/minecraft/profiler/IProfiler;)V";
+    private static final String stitch = "Lnet/minecraft/client/renderer/texture/AtlasTexture;stitch(Lnet/minecraft/resources/IResourceManager;Ljava/lang/Iterable;Lnet/minecraft/profiler/IProfiler;)Lnet/minecraft/client/renderer/texture/AtlasTexture$SheetData;";
+
+    @Redirect(method = processLoading, at = @At(value = "INVOKE", target = stitch))
+    AtlasTexture.SheetData onStitchModelTextures(AtlasTexture atlas, IResourceManager manager, Iterable<ResourceLocation> idList, IProfiler profiler) {
+        return BetterFoliage.INSTANCE.getBlockSprites().finish(
+            atlas.stitch(
+                manager,
+                BetterFoliage.INSTANCE.getBlockSprites().prepare(this, manager, idList, profiler),
+                profiler
+            ), profiler
+        );
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinOptifineBlockUtils.java

@@ -0,0 +1,24 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.Hooks;
+import net.minecraft.block.BlockState;
+import net.minecraft.util.Direction;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.shapes.VoxelShape;
+import net.minecraft.world.IBlockReader;
+import net.optifine.util.BlockUtils;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(BlockUtils.class)
+public class MixinOptifineBlockUtils {
+    private static final String shouldSideBeRenderedCached = "shouldSideBeRenderedCached(Lnet/minecraft/block/BlockState;Lnet/minecraft/world/IBlockReader;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/Direction;Lnet/optifine/render/RenderEnv;Lnet/minecraft/block/BlockState;Lnet/minecraft/util/math/BlockPos;)Z";
+    private static final String getVoxelShape = "Lnet/minecraft/block/BlockState;func_215702_a(Lnet/minecraft/world/IBlockReader;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/Direction;)Lnet/minecraft/util/math/shapes/VoxelShape;";
+
+    @SuppressWarnings("UnresolvedMixinReference")
+    @Redirect(method = shouldSideBeRenderedCached, at = @At(value = "INVOKE", target = getVoxelShape, ordinal = 1))
+    private static VoxelShape getVoxelShapeOverride(BlockState state, IBlockReader reader, BlockPos pos, Direction dir) {
+        return Hooks.getVoxelShapeOverride(state, reader, pos, dir);
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinOptifineChunkRender.java

@@ -0,0 +1,31 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.Hooks;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.renderer.chunk.ChunkRender;
+import net.minecraft.util.BlockRenderLayer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Coerce;
+import org.spongepowered.asm.mixin.injection.Redirect;
+import org.spongepowered.asm.mixin.injection.Slice;
+
+@Mixin(ChunkRender.class)
+public class MixinOptifineChunkRender {
+
+    private static final String rebuildChunk = "rebuildChunk(FFFLnet/minecraft/client/renderer/chunk/ChunkRenderTask;)V";
+    private static final String invokeReflector = "Lnet/optifine/reflect/Reflector;callBoolean(Ljava/lang/Object;Lnet/optifine/reflect/ReflectorMethod;[Ljava/lang/Object;)Z";
+    private static final String forgeBlockCanRender = "Lnet/minecraft/client/renderer/chunk/ChunkRender;FORGE_BLOCK_CAN_RENDER_IN_LAYER:Z";
+
+    @Redirect(
+            method = rebuildChunk,
+            at = @At(value = "INVOKE", target = invokeReflector),
+            slice = @Slice(
+                    from = @At(value = "FIELD", target = forgeBlockCanRender)
+            )
+    )
+    @SuppressWarnings("UnresolvedMixinReference")
+    boolean canRenderInLayer(Object state, @Coerce Object reflector, Object[] layer) {
+        return Hooks.canRenderInLayerOverride((BlockState) state, (BlockRenderLayer) layer[0]);
+    }
+}

src/main/java/mods/betterfoliage/mixin/MixinParticleManager.java

@@ -0,0 +1,33 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.BetterFoliage;
+import mods.octarinecore.client.resource.AsnycSpriteProviderManager;
+import net.minecraft.client.particle.ParticleManager;
+import net.minecraft.client.renderer.texture.AtlasTexture;
+import net.minecraft.profiler.IProfiler;
+import net.minecraft.resources.IResourceManager;
+import net.minecraft.util.ResourceLocation;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(ParticleManager.class)
+public class MixinParticleManager {
+
+    private static final String reload = "reload(Lnet/minecraft/resources/IFutureReloadListener$IStage;Lnet/minecraft/resources/IResourceManager;Lnet/minecraft/profiler/IProfiler;Lnet/minecraft/profiler/IProfiler;Ljava/util/concurrent/Executor;Ljava/util/concurrent/Executor;)Ljava/util/concurrent/CompletableFuture;";
+    private static final String stitch = "Lnet/minecraft/client/renderer/texture/AtlasTexture;stitch(Lnet/minecraft/resources/IResourceManager;Ljava/lang/Iterable;Lnet/minecraft/profiler/IProfiler;)Lnet/minecraft/client/renderer/texture/AtlasTexture$SheetData;";
+
+    // ewww :S
+    @SuppressWarnings("UnresolvedMixinReference")
+    @Redirect(method = "*", at = @At(value = "INVOKE", target = stitch))
+    AtlasTexture.SheetData onStitchModelTextures(AtlasTexture atlas, IResourceManager manager, Iterable<ResourceLocation> idList, IProfiler profiler) {
+        return BetterFoliage.INSTANCE.getParticleSprites().finish(
+            atlas.stitch(
+                manager,
+                BetterFoliage.INSTANCE.getParticleSprites().prepare(this, manager, idList, profiler),
+                profiler
+            ), profiler
+        );
+    }
+
+}

src/main/java/mods/betterfoliage/mixin/MixinShadersBlockModelRenderer.java

@@ -0,0 +1,24 @@
+package mods.betterfoliage.mixin;
+
+import mods.betterfoliage.client.integration.ShadersModIntegration;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.renderer.BlockModelRenderer;
+import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IEnviromentBlockReader;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyArg;
+
+@Mixin(BlockModelRenderer.class)
+public class MixinShadersBlockModelRenderer {
+
+    private static final String renderModel = "renderModel(Lnet/minecraft/world/IEnviromentBlockReader;Lnet/minecraft/client/renderer/model/IBakedModel;Lnet/minecraft/block/BlockState;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/client/renderer/BufferBuilder;ZLjava/util/Random;JLnet/minecraftforge/client/model/data/IModelData;)Z";
+    private static final String pushEntity = "Lnet/optifine/shaders/SVertexBuilder;pushEntity(Lnet/minecraft/block/BlockState;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/world/IEnviromentBlockReader;Lnet/minecraft/client/renderer/BufferBuilder;)V";
+
+    @SuppressWarnings("UnresolvedMixinReference")
+    @ModifyArg(method = renderModel, at = @At(value = "INVOKE", target = pushEntity), remap = false)
+    BlockState overrideBlockState(BlockState state, BlockPos pos, IEnviromentBlockReader world, BufferBuilder buffer) {
+        return ShadersModIntegration.getBlockStateOverride(state, world, pos);
+    }
+}

src/main/java/net/optifine/util/BlockUtils.java

@@ -0,0 +1,5 @@
+package net.optifine.util;
+
+public class BlockUtils {
+    // whyyyy?
+}

src/main/java/optifine/OptifineTransformerDevWrapper.java

@@ -1,65 +0,0 @@
-package optifine;
-
-import net.minecraft.launchwrapper.IClassTransformer;
-
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URL;
-import java.net.URLClassLoader;
-import java.util.Arrays;
-import java.util.Optional;
-import java.util.stream.Stream;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipFile;
-
-public class OptifineTransformerDevWrapper implements IClassTransformer {
-
-    public static String OPTIFINE_CLASSNAME = "optifine/OptiFineClassTransformer.class";
-    private ZipFile ofZip = null;
-
-    public  OptifineTransformerDevWrapper() {
-        Stream<URL> loaderSources = Arrays.stream(((URLClassLoader) getClass().getClassLoader()).getURLs());
-        Optional<URL> optifineURL = loaderSources.filter(this::isOptifineJar).findFirst();
-        optifineURL.ifPresent(url -> ofZip = getZip(url));
-    }
-
-    private ZipFile getZip(URL url) {
-        try {
-            return new ZipFile(new File(url.toURI()));
-        } catch (Exception e) {
-            return null;
-        }
-    }
-
-    private boolean isOptifineJar(URL url) {
-        ZipFile zip = getZip(url);
-        return zip != null && zip.getEntry(OPTIFINE_CLASSNAME) != null;
-    }
-
-    @Override
-    public byte[] transform(String name, String transformedName, byte[] basicClass) {
-        if (ofZip == null) return basicClass;
-        ZipEntry replacement = ofZip.getEntry(name.replace(".", "/") + ".class");
-        if (replacement == null) return basicClass;
-
-        try {
-            return readAll(ofZip.getInputStream(replacement));
-        } catch (IOException e) {
-            return basicClass;
-        }
-    }
-
-    private byte[] readAll(InputStream is) throws IOException {
-        byte[] buf = new byte[4096];
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        int len;
-        do {
-            len = is.read(buf, 0, 4096);
-            if (len > 0) bos.write(buf, 0, len);
-        } while (len > -1);
-        is.close();
-        return bos.toByteArray();
-    }
-}

src/main/java/optifine/OptifineTweakerDevWrapper.java

@@ -1,28 +0,0 @@
-package optifine;
-
-import net.minecraft.launchwrapper.ITweaker;
-import net.minecraft.launchwrapper.LaunchClassLoader;
-
-import java.io.File;
-import java.util.List;
-
-public class OptifineTweakerDevWrapper implements ITweaker {
-    @Override
-    public void acceptOptions(List<String> args, File gameDir, File assetsDir, String profile) {
-    }
-
-    @Override
-    public void injectIntoClassLoader(LaunchClassLoader classLoader) {
-        classLoader.registerTransformer("optifine.OptifineTransformerDevWrapper");
-    }
-
-    @Override
-    public String getLaunchTarget() {
-        return "net.minecraft.client.main.Main";
-    }
-
-    @Override
-    public String[] getLaunchArguments() {
-        return new String[0];
-    }
-}

src/main/kotlin/mods/betterfoliage/BetterFoliage.kt

@@ -0,0 +1,76 @@
+package mods.betterfoliage
+
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.render.RisingSoulTextures
+import mods.octarinecore.client.gui.textComponent
+import mods.octarinecore.client.resource.AsnycSpriteProviderManager
+import mods.octarinecore.client.resource.AsyncSpriteProvider
+import mods.octarinecore.client.resource.Atlas
+import mods.octarinecore.client.resource.GeneratedBlockTexturePack
+import net.minecraft.block.BlockState
+import net.minecraft.client.Minecraft
+import net.minecraft.client.particle.ParticleManager
+import net.minecraft.client.renderer.model.ModelBakery
+import net.minecraft.util.math.BlockPos
+import net.minecraft.util.text.TextFormatting
+import net.minecraft.util.text.TranslationTextComponent
+import net.minecraftforge.registries.ForgeRegistries
+import org.apache.logging.log4j.Level
+import org.apache.logging.log4j.LogManager
+import org.apache.logging.log4j.simple.SimpleLogger
+import org.apache.logging.log4j.util.PropertiesUtil
+import java.io.File
+import java.io.PrintStream
+import java.util.*
+
+object BetterFoliage {
+    var log = LogManager.getLogger("BetterFoliage")
+    var logDetail = SimpleLogger(
+        "BetterFoliage",
+        Level.DEBUG,
+        false, false, true, false,
+        "yyyy-MM-dd HH:mm:ss",
+        null,
+        PropertiesUtil(Properties()),
+        PrintStream(File("logs/betterfoliage.log").apply {
+            parentFile.mkdirs()
+            if (!exists()) createNewFile()
+        })
+    )
+
+    val blockSprites = AsnycSpriteProviderManager<ModelBakery>("bf-blocks-extra")
+    val particleSprites = AsnycSpriteProviderManager<ParticleManager>("bf-particles-extra")
+    val asyncPack = GeneratedBlockTexturePack("bf_gen", "Better Foliage generated assets", logDetail)
+
+    fun getSpriteManager(atlas: Atlas) = when(atlas) {
+        Atlas.BLOCKS -> blockSprites
+        Atlas.PARTICLES -> particleSprites
+    } as AsnycSpriteProviderManager<Any>
+
+    init {
+        blockSprites.providers.add(asyncPack)
+    }
+
+    fun log(level: Level, msg: String) {
+        log.log(level, "[BetterFoliage] $msg")
+        logDetail.log(level, msg)
+    }
+
+    fun logDetail(msg: String) {
+        logDetail.log(Level.DEBUG, msg)
+    }
+
+    fun logRenderError(state: BlockState, location: BlockPos) {
+        if (state in Client.suppressRenderErrors) return
+        Client.suppressRenderErrors.add(state)
+
+        val blockName = ForgeRegistries.BLOCKS.getKey(state.block).toString()
+        val blockLoc = "${location.x},${location.y},${location.z}"
+        Minecraft.getInstance().ingameGUI.chatGUI.printChatMessage(TranslationTextComponent(
+            "betterfoliage.rendererror",
+            textComponent(blockName, TextFormatting.GOLD),
+            textComponent(blockLoc, TextFormatting.GOLD)
+        ))
+        logDetail("Error rendering block $state at $blockLoc")
+    }
+}

src/main/kotlin/mods/betterfoliage/BetterFoliageMod.kt

@@ -1,78 +1,35 @@
 package mods.betterfoliage
 
 import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
-import mods.betterfoliage.client.isAfterPostInit
-import net.minecraftforge.common.config.Configuration
-import net.minecraftforge.fml.common.FMLCommonHandler
+import mods.octarinecore.client.resource.AsnycSpriteProviderManager
+import mods.octarinecore.client.resource.GeneratedBlockTexturePack
+import net.alexwells.kottle.FMLKotlinModLoadingContext
+import net.minecraft.client.Minecraft
+import net.minecraft.client.particle.ParticleManager
+import net.minecraft.client.renderer.model.ModelBakery
+import net.minecraftforge.fml.ModLoadingContext
 import net.minecraftforge.fml.common.Mod
-import net.minecraftforge.fml.common.event.FMLPostInitializationEvent
-import net.minecraftforge.fml.common.event.FMLPreInitializationEvent
-import net.minecraftforge.fml.common.network.NetworkCheckHandler
-import net.minecraftforge.fml.relauncher.Side
+import net.minecraftforge.fml.config.ModConfig
 import org.apache.logging.log4j.Level.DEBUG
-import org.apache.logging.log4j.Level.INFO
-import org.apache.logging.log4j.Logger
+import org.apache.logging.log4j.LogManager
 import org.apache.logging.log4j.simple.SimpleLogger
 import org.apache.logging.log4j.util.PropertiesUtil
 import java.io.File
 import java.io.PrintStream
 import java.util.*
 
-@Mod(
-    modid = BetterFoliageMod.MOD_ID,
-    name = BetterFoliageMod.MOD_NAME,
-    acceptedMinecraftVersions = BetterFoliageMod.MC_VERSIONS,
-    guiFactory = BetterFoliageMod.GUI_FACTORY,
-    dependencies = "after:forgelin",
-    modLanguageAdapter = "net.shadowfacts.forgelin.KotlinAdapter",
-    clientSideOnly = true
-)
+@Mod(BetterFoliageMod.MOD_ID)
 object BetterFoliageMod {
-
     const val MOD_ID = "betterfoliage"
-    const val MOD_NAME = "Better Foliage"
-    const val DOMAIN = "betterfoliage"
-    const val LEGACY_DOMAIN = "bettergrassandleaves"
-    const val MC_VERSIONS = "[1.12]"
-    const val GUI_FACTORY = "mods.betterfoliage.client.gui.ConfigGuiFactory"
 
-    lateinit var log: Logger
-    lateinit var logDetail: Logger
-
-    var config: Configuration? = null
+    val bus = FMLKotlinModLoadingContext.get().modEventBus
 
     init {
-        // inject pack into default list at construction time to get domains enumerated
-        // there's no 2nd resource reload pass anymore
-        Client.generatorPack.inject()
-    }
-
-    @Mod.EventHandler
-    fun preInit(event: FMLPreInitializationEvent) {
-        log = event.modLog
-        val logDetailFile = File(event.modConfigurationDirectory.parentFile, "logs/betterfoliage.log").apply {
-            parentFile.mkdirs()
-            if (!exists()) createNewFile()
-        }
-        logDetail = SimpleLogger(
-            "BetterFoliage",
-            DEBUG,
-            false, false, true, false,
-            "yyyy-MM-dd HH:mm:ss",
-            null,
-            PropertiesUtil(Properties()),
-            PrintStream(logDetailFile)
-        )
-        config = Configuration(event.suggestedConfigurationFile, null, true)
-
-        Config.attach(config!!)
+        ModLoadingContext.get().registerConfig(ModConfig.Type.CLIENT, Config.build())
+        Minecraft.getInstance().resourcePackList.addPackFinder(BetterFoliage.asyncPack.finder)
+        bus.register(BlockConfig)
         Client.init()
-        Client.log(INFO, "BetterFoliage initialized")
-        isAfterPostInit = true
     }
-
-    /** Mod is cosmetic only, always allow connection. */
-    @NetworkCheckHandler
-    fun checkVersion(mods: Map<String, String>, side: Side) = true
 }

src/main/kotlin/mods/betterfoliage/client/Client.kt

@@ -2,50 +2,32 @@ package mods.betterfoliage.client
 
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.chunk.ChunkOverlayManager
-import mods.betterfoliage.client.gui.ConfigGuiFactory
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.integration.*
 import mods.betterfoliage.client.render.*
-import mods.betterfoliage.client.texture.*
-import mods.octarinecore.client.KeyHandler
+import mods.betterfoliage.client.texture.AsyncGrassDiscovery
+import mods.betterfoliage.client.texture.AsyncLeafDiscovery
+import mods.betterfoliage.client.texture.LeafParticleRegistry
 import mods.octarinecore.client.gui.textComponent
-import mods.octarinecore.client.render.AbstractBlockRenderingHandler
-import mods.octarinecore.client.resource.CenteringTextureGenerator
-import mods.octarinecore.client.resource.GeneratorPack
-import net.minecraft.block.Block
-import net.minecraft.block.state.IBlockState
+import mods.octarinecore.client.render.RenderDecorator
+import mods.octarinecore.client.resource.IConfigChangeListener
+import net.minecraft.block.BlockState
 import net.minecraft.client.Minecraft
 import net.minecraft.util.math.BlockPos
-import net.minecraft.util.text.TextComponentTranslation
 import net.minecraft.util.text.TextFormatting
-import net.minecraftforge.fml.client.FMLClientHandler
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraft.util.text.TranslationTextComponent
+import net.minecraftforge.registries.ForgeRegistries
 import org.apache.logging.log4j.Level
 
 /**
  * Object responsible for initializing (and holding a reference to) all the infrastructure of the mod
  * except for the call hooks.
- *
- * This and all other singletons are annotated [SideOnly] to avoid someone accidentally partially
- * initializing the mod on a server environment.
  */
-@SideOnly(Side.CLIENT)
 object Client {
+    var renderers= emptyList<RenderDecorator>()
+    var configListeners = emptyList<IConfigChangeListener>()
 
-    lateinit var renderers: List<AbstractBlockRenderingHandler>
-    val suppressRenderErrors = mutableSetOf<IBlockState>()
-
-    // texture generation stuff
-    val genGrass = GrassGenerator("bf_gen_grass")
-    val genLeaves = LeafGenerator("bf_gen_leaves")
-    val genReeds = CenteringTextureGenerator("bf_gen_reeds", 1, 2)
-
-    val generatorPack = GeneratorPack(
-        "Better Foliage generated",
-        genGrass,
-        genLeaves,
-        genReeds
-    )
+    val suppressRenderErrors = mutableSetOf<BlockState>()
 
     fun init() {
         // init renderers
@@ -66,8 +48,7 @@ object Client {
 
         // init other singletons
         val singletons = listOf(
-            StandardCactusRegistry,
-            LeafParticleRegistry,
+            BlockConfig,
             ChunkOverlayManager,
             LeafWindTracker,
             RisingSoulTextures
@@ -76,46 +57,22 @@ object Client {
         // init mod integrations
         val integrations = listOf(
             ShadersModIntegration,
-            OptifineCustomColors,
-            ForestryIntegration,
-            IC2RubberIntegration,
-            TechRebornRubberIntegration
+            OptifineCustomColors
+//            ForestryIntegration,
+//            IC2RubberIntegration,
+//            TechRebornRubberIntegration
         )
 
+        LeafParticleRegistry.init()
+
         // add basic block support instances as last
-        GrassRegistry.addRegistry(StandardGrassRegistry)
-        LeafRegistry.addRegistry(StandardLeafRegistry)
-        LogRegistry.addRegistry(StandardLogRegistry)
+        AsyncLeafDiscovery.init()
+        AsyncGrassDiscovery.init()
+        AsyncLogDiscovery.init()
+        AsyncCactusDiscovery.init()
 
-        // init config hotkey
-        val configKey = KeyHandler(BetterFoliageMod.MOD_NAME, 66, "key.betterfoliage.gui") {
-            FMLClientHandler.instance().showGuiScreen(
-                ConfigGuiFactory.createBFConfigGui(Minecraft.getMinecraft().currentScreen)
-            )
-        }
-    }
-
-    fun log(level: Level, msg: String) {
-        BetterFoliageMod.log.log(level, "[BetterFoliage] $msg")
-        BetterFoliageMod.logDetail.log(level, msg)
-    }
-
-    fun logDetail(msg: String) {
-        BetterFoliageMod.logDetail.log(Level.DEBUG, msg)
-    }
-
-    fun logRenderError(state: IBlockState, location: BlockPos) {
-        if (state in suppressRenderErrors) return
-        suppressRenderErrors.add(state)
-
-        val blockName = Block.REGISTRY.getNameForObject(state.block).toString()
-        val blockLoc = "${location.x},${location.y},${location.z}"
-        Minecraft.getMinecraft().ingameGUI.chatGUI.printChatMessage(TextComponentTranslation(
-            "betterfoliage.rendererror",
-            textComponent(blockName, TextFormatting.GOLD),
-            textComponent(blockLoc, TextFormatting.GOLD)
-        ))
-        logDetail("Error rendering block $state at $blockLoc")
+        configListeners = listOf(renderers, singletons, integrations).flatten().filterIsInstance<IConfigChangeListener>()
+        configListeners.forEach { it.onConfigChange() }
     }
 }
 

src/main/kotlin/mods/betterfoliage/client/Hooks.kt

@@ -1,55 +1,48 @@
 @file:JvmName("Hooks")
-@file:SideOnly(Side.CLIENT)
 package mods.betterfoliage.client
 
+import mods.betterfoliage.client.chunk.ChunkOverlayManager
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.render.*
-import mods.betterfoliage.loader.Refs
-import mods.octarinecore.client.render.blockContext
-import mods.octarinecore.client.resource.LoadModelDataEvent
+import mods.octarinecore.ThreadLocalDelegate
+import mods.octarinecore.client.render.*
+import mods.octarinecore.client.render.lighting.DefaultLightingCtx
 import mods.octarinecore.common.plus
-import mods.octarinecore.metaprog.allAvailable
 import net.minecraft.block.Block
-import net.minecraft.block.state.IBlockState
+import net.minecraft.block.BlockState
+import net.minecraft.block.Blocks
 import net.minecraft.client.Minecraft
 import net.minecraft.client.renderer.BlockRendererDispatcher
 import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.init.Blocks
+import net.minecraft.client.world.ClientWorld
 import net.minecraft.util.BlockRenderLayer
 import net.minecraft.util.BlockRenderLayer.CUTOUT
 import net.minecraft.util.BlockRenderLayer.CUTOUT_MIPPED
-import net.minecraft.util.EnumFacing
+import net.minecraft.util.Direction
 import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
+import net.minecraft.util.math.shapes.VoxelShape
+import net.minecraft.util.math.shapes.VoxelShapes
+import net.minecraft.world.IBlockReader
+import net.minecraft.world.IEnviromentBlockReader
 import net.minecraft.world.World
-import net.minecraftforge.client.model.ModelLoader
-import net.minecraftforge.common.MinecraftForge
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraftforge.client.model.data.IModelData
+import java.util.*
 
-var isAfterPostInit = false
-val isOptifinePresent = allAvailable(Refs.OptifineClassTransformer)
-
-fun doesSideBlockRenderingOverride(original: Boolean, blockAccess: IBlockAccess, pos: BlockPos, side: EnumFacing): Boolean {
-    return original && !(Config.enabled && Config.roundLogs.enabled && Config.blocks.logClasses.matchesClass(blockAccess.getBlockState(pos).block));
+fun getAmbientOcclusionLightValueOverride(original: Float, state: BlockState): Float {
+    if (Config.enabled && Config.roundLogs.enabled && BlockConfig.logBlocks.matchesClass(state.block)) return Config.roundLogs.dimming.toFloat();
+    return original
 }
 
-fun isOpaqueCubeOverride(original: Boolean, state: IBlockState): Boolean {
-    // caution: blocks are initialized and the method called during startup
-    if (!isAfterPostInit) return original
-    return original && !(Config.enabled && Config.roundLogs.enabled && Config.blocks.logClasses.matchesClass(state.block))
+fun getUseNeighborBrightnessOverride(original: Boolean, state: BlockState): Boolean {
+    return original || (Config.enabled && Config.roundLogs.enabled && BlockConfig.logBlocks.matchesClass(state.block));
 }
 
-fun getAmbientOcclusionLightValueOverride(original: Float, state: IBlockState): Float {
-    if (Config.enabled && Config.roundLogs.enabled && Config.blocks.logClasses.matchesClass(state.block)) return Config.roundLogs.dimming;
-    return original;
+fun onClientBlockChanged(worldClient: ClientWorld, pos: BlockPos, oldState: BlockState, newState: BlockState, flags: Int) {
+    ChunkOverlayManager.onBlockChange(worldClient, pos)
 }
 
-fun getUseNeighborBrightnessOverride(original: Boolean, state: IBlockState): Boolean {
-    return original || (Config.enabled && Config.roundLogs.enabled && Config.blocks.logClasses.matchesClass(state.block));
-}
-
-fun onRandomDisplayTick(world: World, state: IBlockState, pos: BlockPos) {
+fun onRandomDisplayTick(block: Block, state: BlockState, world: World, pos: BlockPos, random: Random) {
     if (Config.enabled &&
         Config.risingSoul.enabled &&
         state.block == Blocks.SOUL_SAND &&
@@ -60,42 +53,60 @@ fun onRandomDisplayTick(world: World, state: IBlockState, pos: BlockPos) {
 
     if (Config.enabled &&
         Config.fallingLeaves.enabled &&
-        Config.blocks.leavesClasses.matchesClass(state.block) &&
+        BlockConfig.leafBlocks.matchesClass(state.block) &&
         world.isAirBlock(pos + down1) &&
         Math.random() < Config.fallingLeaves.chance) {
             EntityFallingLeavesFX(world, pos).addIfValid()
     }
 }
 
-fun onAfterLoadModelDefinitions(loader: ModelLoader) {
-    MinecraftForge.EVENT_BUS.post(LoadModelDataEvent(loader))
+fun getVoxelShapeOverride(state: BlockState, reader: IBlockReader, pos: BlockPos, dir: Direction): VoxelShape {
+    if (LogRegistry[state, reader, pos] != null) return VoxelShapes.empty()
+    return state.func_215702_a(reader, pos, dir)
 }
 
+val lightingCtx by ThreadLocalDelegate { DefaultLightingCtx(BasicBlockCtx(NonNullWorld, BlockPos.ZERO)) }
 fun renderWorldBlock(dispatcher: BlockRendererDispatcher,
-                     state: IBlockState,
+                     state: BlockState,
                      pos: BlockPos,
-                     blockAccess: IBlockAccess,
-                     worldRenderer: BufferBuilder,
+                     reader: IEnviromentBlockReader,
+                     buffer: BufferBuilder,
+                     random: Random,
+                     modelData: IModelData,
                      layer: BlockRenderLayer
 ): Boolean {
+    // build context
+    val blockCtx = CachedBlockCtx(reader, pos)
+    val renderCtx = RenderCtx(dispatcher, buffer, layer, random)
+    lightingCtx.reset(blockCtx)
+    val combinedCtx = CombinedContext(blockCtx, renderCtx, lightingCtx)
+
+    // loop render decorators
     val doBaseRender = state.canRenderInLayer(layer) || (layer == targetCutoutLayer && state.canRenderInLayer(otherCutoutLayer))
-    blockContext.let { ctx ->
-        ctx.set(blockAccess, pos)
-        Client.renderers.forEach { renderer ->
-            if (renderer.isEligible(ctx)) {
-                // render on the block's default layer
-                // also render on the cutout layer if the renderer requires it
-                if (doBaseRender || (renderer.addToCutout && layer == targetCutoutLayer)) {
-                    return renderer.render(ctx, dispatcher, worldRenderer, layer)
-                }
+    Client.renderers.forEach { renderer ->
+        if (renderer.isEligible(combinedCtx)) {
+            // render on the block's default layer
+            // also render on the cutout layer if the renderer requires it
+
+            val doCutoutRender = renderer.renderOnCutout && layer == targetCutoutLayer
+            val stopRender = renderer.onlyOnCutout && !layer.isCutout
+
+            if ((doBaseRender || doCutoutRender) && !stopRender) {
+                renderer.render(combinedCtx)
+                return combinedCtx.hasRendered
             }
         }
     }
 
-    return if (doBaseRender) dispatcher.renderBlock(state, pos, blockAccess, worldRenderer) else false
+    // no render decorators have taken on this block, proceed to normal rendering
+    combinedCtx.render()
+    return combinedCtx.hasRendered
 }
 
-fun canRenderBlockInLayer(block: Block, state: IBlockState, layer: BlockRenderLayer) = block.canRenderInLayer(state, layer) || layer == targetCutoutLayer
+fun canRenderInLayerOverride(state: BlockState, layer: BlockRenderLayer) = state.canRenderInLayer(layer) || layer == targetCutoutLayer
 
-val targetCutoutLayer: BlockRenderLayer get() = if (Minecraft.getMinecraft().gameSettings.mipmapLevels > 0) CUTOUT_MIPPED else CUTOUT
-val otherCutoutLayer: BlockRenderLayer get() = if (Minecraft.getMinecraft().gameSettings.mipmapLevels > 0) CUTOUT else CUTOUT_MIPPED
+fun canRenderInLayerOverrideOptifine(state: BlockState, optifineReflector: Any?, layerArray: Array<Any>) =
+    canRenderInLayerOverride(state, layerArray[0] as BlockRenderLayer)
+
+val targetCutoutLayer: BlockRenderLayer get() = if (Minecraft.getInstance().gameSettings.mipmapLevels > 0) CUTOUT_MIPPED else CUTOUT
+val otherCutoutLayer: BlockRenderLayer get() = if (Minecraft.getInstance().gameSettings.mipmapLevels > 0) CUTOUT else CUTOUT_MIPPED

src/main/kotlin/mods/betterfoliage/client/chunk/Overlay.kt

@@ -1,57 +1,71 @@
 package mods.betterfoliage.client.chunk
 
-import mods.betterfoliage.client.Client
-import net.minecraft.block.state.IBlockState
-import net.minecraft.client.multiplayer.WorldClient
-import net.minecraft.entity.Entity
-import net.minecraft.entity.player.EntityPlayer
-import net.minecraft.util.SoundCategory
-import net.minecraft.util.SoundEvent
+import mods.octarinecore.ChunkCacheOF
+import mods.octarinecore.client.render.BlockCtx
+import mods.octarinecore.metaprog.get
+import mods.octarinecore.metaprog.isInstance
+import net.minecraft.client.renderer.chunk.ChunkRenderCache
+import net.minecraft.client.world.ClientWorld
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.ChunkPos
-import net.minecraft.world.IBlockAccess
-import net.minecraft.world.IWorldEventListener
-import net.minecraft.world.World
-import net.minecraft.world.chunk.EmptyChunk
+import net.minecraft.world.IEnviromentBlockReader
+import net.minecraft.world.IWorldReader
+import net.minecraft.world.dimension.DimensionType
 import net.minecraftforge.common.MinecraftForge
 import net.minecraftforge.event.world.ChunkEvent
 import net.minecraftforge.event.world.WorldEvent
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
-import org.apache.logging.log4j.Level
+import net.minecraftforge.eventbus.api.SubscribeEvent
+import java.util.*
+import kotlin.collections.List
+import kotlin.collections.MutableMap
+import kotlin.collections.associateWith
+import kotlin.collections.forEach
+import kotlin.collections.mutableListOf
+import kotlin.collections.mutableMapOf
+import kotlin.collections.set
+
+val IEnviromentBlockReader.dimType: DimensionType get() = when {
+    this is IWorldReader -> dimension.type
+    this is ChunkRenderCache -> world.dimension.type
+    this.isInstance(ChunkCacheOF) -> this[ChunkCacheOF.chunkCache].world.dimension.type
+    else -> throw IllegalArgumentException("DimensionType of world with class ${this::class.qualifiedName} cannot be determined!")
+}
 
 /**
  * Represents some form of arbitrary non-persistent data that can be calculated and cached for each block position
  */
 interface ChunkOverlayLayer<T> {
-    abstract fun calculate(world: IBlockAccess, pos: BlockPos): T
-    abstract fun onBlockUpdate(world: IBlockAccess, pos: BlockPos)
+    fun calculate(ctx: BlockCtx): T
+    fun onBlockUpdate(world: IEnviromentBlockReader, pos: BlockPos)
 }
 
 /**
  * Query, lazy calculation and lifecycle management of multiple layers of chunk overlay data.
  */
-object ChunkOverlayManager : IBlockUpdateListener {
+object ChunkOverlayManager {
+
+    var tempCounter = 0
+
     init {
-        Client.log(Level.INFO, "Initializing client overlay manager")
         MinecraftForge.EVENT_BUS.register(this)
     }
 
-    val chunkData = mutableMapOf<ChunkPos, ChunkOverlayData>()
+    val chunkData = IdentityHashMap<DimensionType, MutableMap<ChunkPos, ChunkOverlayData>>()
     val layers = mutableListOf<ChunkOverlayLayer<*>>()
 
     /**
      * Get the overlay data for a given layer and position
      *
      * @param layer Overlay layer to query
-     * @param world World to use if calculation of overlay value is necessary
+     * @param reader World to use if calculation of overlay value is necessary
      * @param pos Block position
      */
-    fun <T> get(layer: ChunkOverlayLayer<T>, world: IBlockAccess, pos: BlockPos): T? {
-        val data = chunkData[ChunkPos(pos)] ?: return null
-        data.get(layer, pos).let { value ->
+    fun <T> get(layer: ChunkOverlayLayer<T>, ctx: BlockCtx): T? {
+        val data = chunkData[ctx.world.dimType]?.get(ChunkPos(ctx.pos)) ?: return null
+        data.get(layer, ctx.pos).let { value ->
             if (value !== ChunkOverlayData.UNCALCULATED) return value
-            val newValue = layer.calculate(world, pos)
-            data.set(layer, pos, newValue)
+            val newValue = layer.calculate(ctx)
+            data.set(layer, ctx.pos, newValue)
             return newValue
         }
     }
@@ -62,32 +76,37 @@ object ChunkOverlayManager : IBlockUpdateListener {
      * @param layer Overlay layer to clear
      * @param pos Block position
      */
-    fun <T> clear(layer: ChunkOverlayLayer<T>, pos: BlockPos) {
-        chunkData[ChunkPos(pos)]?.clear(layer, pos)
+    fun <T> clear(dimension: DimensionType, layer: ChunkOverlayLayer<T>, pos: BlockPos) {
+        chunkData[dimension]?.get(ChunkPos(pos))?.clear(layer, pos)
     }
 
-    override fun notifyBlockUpdate(world: World, pos: BlockPos, oldState: IBlockState, newState: IBlockState, flags: Int) {
-        if (chunkData.containsKey(ChunkPos(pos))) layers.forEach { layer -> layer.onBlockUpdate(world, pos) }
-    }
-
-    @SubscribeEvent
-    fun handleLoadWorld(event: WorldEvent.Load) {
-        if (event.world is WorldClient) {
-            event.world.addEventListener(this)
+    fun onBlockChange(world: ClientWorld, pos: BlockPos) {
+        if (chunkData[world.dimType]?.containsKey(ChunkPos(pos)) == true) {
+            layers.forEach { layer -> layer.onBlockUpdate(world, pos) }
         }
     }
 
     @SubscribeEvent
-    fun handleLoadChunk(event: ChunkEvent.Load) {
-        if (event.world is WorldClient && event.chunk !is EmptyChunk) {
-            chunkData[event.chunk.pos] = ChunkOverlayData(layers)
+    fun handleLoadWorld(event: WorldEvent.Load) = (event.world as? ClientWorld)?.let { world ->
+        chunkData[world.dimType] = mutableMapOf()
+    }
+
+    @SubscribeEvent
+    fun handleUnloadWorld(event: WorldEvent.Unload) = (event.world as? ClientWorld)?.let { world ->
+        chunkData.remove(world.dimType)
+    }
+
+    @SubscribeEvent
+    fun handleLoadChunk(event: ChunkEvent.Load) = (event.world as? ClientWorld)?.let { world ->
+        chunkData[world.dimType]?.let { chunks ->
+            // check for existence first because Optifine fires a TON of these
+            if (event.chunk.pos !in chunks.keys) chunks[event.chunk.pos] = ChunkOverlayData(layers)
         }
     }
+
     @SubscribeEvent
-    fun handleUnloadChunk(event: ChunkEvent.Unload) {
-        if (event.world is WorldClient) {
-            chunkData.remove(event.chunk.pos)
-        }
+    fun handleUnloadChunk(event: ChunkEvent.Unload) = (event.world as? ClientWorld)?.let { world ->
+        chunkData[world.dimType]?.remove(event.chunk.pos)
     }
 }
 
@@ -104,21 +123,3 @@ class ChunkOverlayData(layers: List<ChunkOverlayLayer<*>>) {
         val validYRange = 0 until 256
     }
 }
-
-/**
- * IWorldEventListener helper subclass
- * No-op for everything except notifyBlockUpdate()
- */
-interface IBlockUpdateListener : IWorldEventListener {
-    override fun playSoundToAllNearExcept(player: EntityPlayer?, soundIn: SoundEvent, category: SoundCategory, x: Double, y: Double, z: Double, volume: Float, pitch: Float) {}
-    override fun onEntityAdded(entityIn: Entity) {}
-    override fun broadcastSound(soundID: Int, pos: BlockPos, data: Int) {}
-    override fun playEvent(player: EntityPlayer?, type: Int, blockPosIn: BlockPos, data: Int) {}
-    override fun onEntityRemoved(entityIn: Entity) {}
-    override fun notifyLightSet(pos: BlockPos) {}
-    override fun spawnParticle(particleID: Int, ignoreRange: Boolean, xCoord: Double, yCoord: Double, zCoord: Double, xSpeed: Double, ySpeed: Double, zSpeed: Double, vararg parameters: Int) {}
-    override fun spawnParticle(id: Int, ignoreRange: Boolean, minimiseParticleLevel: Boolean, x: Double, y: Double, z: Double, xSpeed: Double, ySpeed: Double, zSpeed: Double, vararg parameters: Int) {}
-    override fun playRecord(soundIn: SoundEvent, pos: BlockPos) {}
-    override fun sendBlockBreakProgress(breakerId: Int, pos: BlockPos, progress: Int) {}
-    override fun markBlockRangeForRenderUpdate(x1: Int, y1: Int, z1: Int, x2: Int, y2: Int, z2: Int) {}
-}

src/main/kotlin/mods/betterfoliage/client/config/Config.kt

@@ -1,67 +1,22 @@
 package mods.betterfoliage.client.config
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.gui.BiomeListConfigEntry
 import mods.betterfoliage.client.integration.ShadersModIntegration
 import mods.octarinecore.common.config.*
-import net.minecraft.client.Minecraft
-import net.minecraft.world.biome.Biome
-import net.minecraftforge.fml.client.event.ConfigChangedEvent
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.lwjgl.opengl.GL11
+import net.minecraft.util.ResourceLocation
+import net.minecraftforge.eventbus.api.SubscribeEvent
+import net.minecraftforge.fml.config.ModConfig
 
-// BetterFoliage-specific property delegates
-private val OBSOLETE = ObsoleteConfigProperty()
 private fun featureEnable() = boolean(true).lang("enabled")
-fun biomeList(defaults: (Biome) -> Boolean) = intList {
-    Biome.REGISTRY
-        .filter { it != null && defaults(it) }
-        .map { Biome.REGISTRY.getIDForObject(it) }
-        .toTypedArray()
-}.apply { guiClass = BiomeListConfigEntry::class.java }
-
-// Biome filter methods
-private fun Biome.filterTemp(min: Float?, max: Float?) = (min == null || min <= defaultTemperature) && (max == null || max >= defaultTemperature)
-private fun Biome.filterRain(min: Float?, max: Float?) = (min == null || min <= rainfall) && (max == null || max >= rainfall)
-private fun Biome.filterClass(vararg name: String) = name.any { it in this.javaClass.name.toLowerCase() }
 
 // Config singleton
-@SideOnly(Side.CLIENT)
-object Config : DelegatingConfig(BetterFoliageMod.MOD_ID, BetterFoliageMod.DOMAIN) {
+object Config : DelegatingConfig(BetterFoliageMod.MOD_ID, BetterFoliageMod.MOD_ID) {
 
-    var enabled by boolean(true)
-    var nVidia by boolean(GL11.glGetString(GL11.GL_VENDOR).toLowerCase().contains("nvidia"))
+    val enabled by boolean(true)
+    val nVidia by boolean(false)
 
-    object shaders {
-        val leavesId by long(min = 1, max = 65535, default = ShadersModIntegration.leavesDefaultBlockId.toInt())
-        val grassId by long(min = 1, max = 65535, default = ShadersModIntegration.grassDefaultBlockId.toInt())
-    }
-
-    object blocks {
-        val leavesClasses = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "leaves_blocks_default.cfg")
-        val leavesModels = ModelTextureListConfigOption(BetterFoliageMod.DOMAIN, "leaves_models_default.cfg", 1)
-        val grassClasses = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "grass_blocks_default.cfg")
-        val grassModels = ModelTextureListConfigOption(BetterFoliageMod.DOMAIN, "grass_models_default.cfg", 1)
-        val mycelium = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "mycelium_blocks_default.cfg")
-        val dirt = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "dirt_default.cfg")
-        val crops = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "crop_default.cfg")
-        val logClasses = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "log_blocks_default.cfg")
-        val logModels = ModelTextureListConfigOption(BetterFoliageMod.DOMAIN, "log_models_default.cfg", 3)
-        val sand = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "sand_default.cfg")
-        val lilypad = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "lilypad_default.cfg")
-        val cactus = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "cactus_default.cfg")
-        val netherrack = ConfigurableBlockMatcher(BetterFoliageMod.DOMAIN, "netherrack_blocks_default.cfg")
-
-        val leavesWhitelist = OBSOLETE
-        val leavesBlacklist = OBSOLETE
-        val grassWhitelist = OBSOLETE
-        val grassBlacklist = OBSOLETE
-        val logsWhitelist = OBSOLETE
-        val logsBlacklist = OBSOLETE
-    }
-
-    object leaves {
+    object leaves : ConfigCategory() {
         val enabled by featureEnable()
         val snowEnabled by boolean(true)
         val hOffset by double(max=0.4, default=0.2).lang("hOffset")
@@ -71,7 +26,7 @@ object Config : DelegatingConfig(BetterFoliageMod.MOD_ID, BetterFoliageMod.DOMAI
         val hideInternal by boolean(true)
     }
 
-    object shortGrass {
+    object shortGrass : ConfigCategory(){
         val grassEnabled by boolean(true)
         val myceliumEnabled by boolean(true)
         val snowEnabled by boolean(true)
@@ -85,23 +40,16 @@ object Config : DelegatingConfig(BetterFoliageMod.MOD_ID, BetterFoliageMod.DOMAI
         val saturationThreshold by double(default=0.1)
     }
 
-//    object hangingGrass {
-//        var enabled by featureEnable()
-//        var distance by distanceLimit()
-//        var size by double(min=0.25, max=1.5, default=0.75).lang("size")
-//        var separation by double(max=0.5, default=0.25)
-//    }
-
-    object connectedGrass {
+    object connectedGrass : ConfigCategory(){
         val enabled by boolean(true)
         val snowEnabled by boolean(false)
     }
 
-    object roundLogs {
+    object roundLogs : ConfigCategory(){
         val enabled by featureEnable()
         val radiusSmall by double(max=0.5, default=0.25)
         val radiusLarge by double(max=0.5, default=0.44)
-        val dimming by float(default = 0.7)
+        val dimming by double(default = 0.7)
         val connectSolids by boolean(false)
         val lenientConnect by boolean(true)
         val connectPerpendicular by boolean(true)
@@ -110,41 +58,43 @@ object Config : DelegatingConfig(BetterFoliageMod.MOD_ID, BetterFoliageMod.DOMAI
         val zProtection by double(min = 0.9, default = 0.99)
     }
 
-    object cactus {
+    object cactus : ConfigCategory(){
         val enabled by featureEnable()
         val size by double(min=0.5, max=1.5, default=0.8).lang("size")
         val sizeVariation by double(max=0.5, default=0.1)
         val hOffset by double(max=0.5, default=0.1).lang("hOffset")
     }
 
-    object lilypad {
+    object lilypad : ConfigCategory(){
         val enabled by featureEnable()
         val hOffset by double(max=0.25, default=0.1).lang("hOffset")
         val flowerChance by int(max=64, default=16, min=0)
     }
 
-    object reed {
+    object reed : ConfigCategory(){
         val enabled by featureEnable()
         val hOffset by double(max=0.4, default=0.2).lang("hOffset")
         val heightMin by double(min=1.5, max=3.5, default=1.7).lang("heightMin")
         val heightMax by double(min=1.5, max=3.5, default=2.2).lang("heightMax")
         val population by int(max=64, default=32).lang("population")
-        val biomes by biomeList { it.filterTemp(0.4f, null) && it.filterRain(0.4f, null) }
+        val minBiomeTemp by double(default=0.4)
+        val minBiomeRainfall by double(default=0.4)
+//        val biomes by biomeList { it.filterTemp(0.4f, null) && it.filterRain(0.4f, null) }
         val shaderWind by boolean(true).lang("shaderWind")
     }
 
-    object algae {
+    object algae : ConfigCategory(){
         val enabled by featureEnable()
         val hOffset by double(max=0.25, default=0.1).lang("hOffset")
         val size by double(min=0.5, max=1.5, default=1.0).lang("size")
         val heightMin by double(min=0.1, max=1.5, default=0.5).lang("heightMin")
         val heightMax by double(min=0.1, max=1.5, default=1.0).lang("heightMax")
         val population by int(max=64, default=48).lang("population")
-        val biomes by biomeList { it.filterClass("river", "ocean") }
+//        val biomes by biomeList { it.filterClass("river", "ocean") }
         val shaderWind by boolean(true).lang("shaderWind")
     }
 
-    object coral {
+    object coral : ConfigCategory(){
         val enabled by featureEnable()
         val shallowWater by boolean(false)
         val hOffset by double(max=0.4, default=0.2).lang("hOffset")
@@ -153,10 +103,10 @@ object Config : DelegatingConfig(BetterFoliageMod.MOD_ID, BetterFoliageMod.DOMAI
         val crustSize by double(min=0.5, max=1.5, default=1.4)
         val chance by int(max=64, default=32)
         val population by int(max=64, default=48).lang("population")
-        val biomes by biomeList { it.filterClass("river", "ocean", "beach") }
+//        val biomes by biomeList { it.filterClass("river", "ocean", "beach") }
     }
 
-    object netherrack {
+    object netherrack : ConfigCategory(){
         val enabled by featureEnable()
         val hOffset by double(max=0.4, default=0.2).lang("hOffset")
         val heightMin by double(min=0.1, max=1.5, default=0.6).lang("heightMin")
@@ -164,44 +114,56 @@ object Config : DelegatingConfig(BetterFoliageMod.MOD_ID, BetterFoliageMod.DOMAI
         val size by double(min=0.5, max=1.5, default=1.0).lang("size")
     }
 
-    object fallingLeaves {
+    object fallingLeaves : ConfigCategory(){
         val enabled by featureEnable()
         val speed by double(min=0.01, max=0.15, default=0.05)
         val windStrength by double(min=0.1, max=2.0, default=0.5)
         val stormStrength by double(min=0.1, max=2.0, default=0.8)
         val size by double(min=0.25, max=1.5, default=0.75).lang("size")
-        val chance by double(min=0.001, max=1.0, default=0.05)
+        val chance by double(min=0.001, max=1.0, default=0.02)
         val perturb by double(min=0.01, max=1.0, default=0.25)
         val lifetime by double(min=1.0, max=15.0, default=5.0)
         val opacityHack by boolean(true)
     }
 
-    object risingSoul {
+    object risingSoul : ConfigCategory(){
         val enabled by featureEnable()
         val chance by double(min=0.001, max=1.0, default=0.02)
         val perturb by double(min=0.01, max=0.25, default=0.05)
         val headSize by double(min=0.25, max=1.5, default=1.0)
         val trailSize by double(min=0.25, max=1.5, default=0.75)
-        val opacity by float(min=0.05, max=1.0, default=0.5)
+        val opacity by double(min=0.05, max=1.0, default=0.5)
         val sizeDecay by double(min=0.5, max=1.0, default=0.97)
-        val opacityDecay by float(min=0.5, max=1.0, default=0.97)
+        val opacityDecay by double(min=0.5, max=1.0, default=0.97)
         val lifetime by double(min=1.0, max=15.0, default=4.0)
         val trailLength by int(min=2, max=128, default=48)
         val trailDensity by int(min=1, max=16, default=3)
     }
-
-    val forceReloadOptions = listOf(
-        blocks.leavesClasses,
-        blocks.leavesModels,
-        blocks.grassClasses,
-        blocks.grassModels,
-        shortGrass["saturationThreshold"]!!
-    )
-
-    override fun onChange(event: ConfigChangedEvent.PostConfigChangedEvent) {
-        if (hasChanged(forceReloadOptions))
-            Minecraft.getMinecraft().refreshResources()
-        else
-            Minecraft.getMinecraft().renderGlobal.loadRenderers()
-    }
 }
+
+object BlockConfig {
+    private val list = mutableListOf<Any>()
+
+    val leafBlocks = blocks("leaves_blocks_default.cfg")
+    val leafModels = models("leaves_models_default.cfg")
+    val grassBlocks = blocks("grass_blocks_default.cfg")
+    val grassModels = models("grass_models_default.cfg")
+    val mycelium = blocks("mycelium_blocks_default.cfg")
+//    val dirt = blocks("dirt_default.cfg")
+    val crops = blocks("crop_default.cfg")
+    val logBlocks = blocks("log_blocks_default.cfg")
+    val logModels = models("log_models_default.cfg")
+    val lilypad = blocks("lilypad_default.cfg")
+
+    init { BetterFoliageMod.bus.register(this) }
+    private fun blocks(cfgName: String) = ConfigurableBlockMatcher(BetterFoliage.logDetail, ResourceLocation(BetterFoliageMod.MOD_ID, cfgName)).apply { list.add(this) }
+    private fun models(cfgName: String) = ModelTextureListConfiguration(BetterFoliage.logDetail, ResourceLocation(BetterFoliageMod.MOD_ID, cfgName)).apply { list.add(this) }
+
+    @SubscribeEvent
+    fun onConfig(event: ModConfig.ModConfigEvent) {
+        list.forEach { when(it) {
+            is ConfigurableBlockMatcher -> it.readDefaults()
+            is ModelTextureListConfiguration -> it.readDefaults()
+        } }
+    }
+}

src/main/kotlin/mods/betterfoliage/client/gui/BiomeListConfigEntry.kt

@@ -1,19 +0,0 @@
-package mods.betterfoliage.client.gui
-
-import mods.octarinecore.client.gui.IdListConfigEntry
-import net.minecraft.world.biome.Biome
-import net.minecraftforge.fml.client.config.GuiConfig
-import net.minecraftforge.fml.client.config.GuiConfigEntries
-import net.minecraftforge.fml.client.config.IConfigElement
-
-/** Toggleable list of all defined biomes. */
-class BiomeListConfigEntry(
-    owningScreen: GuiConfig,
-    owningEntryList: GuiConfigEntries,
-    configElement: IConfigElement)
-: IdListConfigEntry<Biome>(owningScreen, owningEntryList, configElement) {
-
-    override val baseSet: List<Biome> get() = Biome.REGISTRY.filterNotNull()
-    override val Biome.itemId: Int get() = Biome.REGISTRY.getIDForObject(this)
-    override val Biome.itemName: String get() = this.biomeName
-}

src/main/kotlin/mods/betterfoliage/client/gui/ConfigGuiFactory.kt

@@ -1,29 +0,0 @@
-package mods.betterfoliage.client.gui
-
-import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.config.Config
-import net.minecraft.client.Minecraft
-import net.minecraft.client.gui.GuiScreen
-import net.minecraftforge.fml.client.IModGuiFactory
-import net.minecraftforge.fml.client.config.GuiConfig
-
-class ConfigGuiFactory : IModGuiFactory {
-
-    override fun initialize(minecraftInstance: Minecraft?) { }
-    override fun hasConfigGui() = true
-    override fun runtimeGuiCategories() = hashSetOf<IModGuiFactory.RuntimeOptionCategoryElement>()
-    override fun createConfigGui(parentScreen: GuiScreen?) = createBFConfigGui(parentScreen)
-
-    companion object {
-        @JvmStatic
-        fun createBFConfigGui(parentScreen: GuiScreen?) = GuiConfig(
-            parentScreen,
-            Config.rootGuiElements,
-            BetterFoliageMod.MOD_ID,
-            null,
-            false,
-            false,
-            BetterFoliageMod.MOD_NAME
-        )
-    }
-}

src/main/kotlin/mods/betterfoliage/client/integration/ForestryIntegration.kt

@@ -1,154 +1,135 @@
 package mods.betterfoliage.client.integration
 
-import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.Client
-import mods.betterfoliage.client.config.Config
-import mods.betterfoliage.client.render.LogRegistry
-import mods.betterfoliage.client.render.StandardLogRegistry
+import mods.betterfoliage.BetterFoliage
+import mods.betterfoliage.client.config.BlockConfig
+import mods.betterfoliage.client.render.AsyncLogDiscovery
 import mods.betterfoliage.client.render.column.ColumnTextureInfo
 import mods.betterfoliage.client.render.column.SimpleColumnInfo
+import mods.betterfoliage.client.resource.Identifier
 import mods.betterfoliage.client.texture.LeafInfo
-import mods.betterfoliage.client.texture.LeafRegistry
-import mods.betterfoliage.client.texture.StandardLeafKey
-import mods.betterfoliage.loader.Refs
-import mods.octarinecore.client.resource.ModelRenderKey
-import mods.octarinecore.client.resource.ModelRenderRegistry
-import mods.octarinecore.client.resource.ModelRenderRegistryBase
-import mods.octarinecore.getTileEntitySafe
-import mods.octarinecore.metaprog.ClassRef
-import mods.octarinecore.metaprog.FieldRef
-import mods.octarinecore.metaprog.MethodRef
-import mods.octarinecore.metaprog.allAvailable
-import net.minecraft.block.state.IBlockState
+import mods.betterfoliage.client.texture.defaultRegisterLeaf
+import mods.octarinecore.HasLogger
+import mods.octarinecore.Map
+import mods.octarinecore.ResourceLocation
+import mods.octarinecore.String
+import mods.octarinecore.client.resource.*
+import mods.octarinecore.metaprog.*
+import mods.octarinecore.metaprog.ClassRef.Companion.boolean
+import net.minecraft.block.BlockState
 import net.minecraft.client.Minecraft
-import net.minecraft.client.renderer.block.model.ModelResourceLocation
-import net.minecraft.util.ResourceLocation
+import net.minecraft.client.renderer.model.ModelBakery
+import net.minecraft.resources.IResourceManager
 import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-import net.minecraftforge.client.event.TextureStitchEvent
-import net.minecraftforge.client.model.IModel
-import net.minecraftforge.fml.common.Loader
-import net.minecraftforge.fml.common.eventhandler.EventPriority
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraft.world.IBlockReader
+import net.minecraftforge.fml.ModList
 import org.apache.logging.log4j.Level
-import kotlin.collections.Map
+import java.util.concurrent.CompletableFuture
 import kotlin.collections.component1
 import kotlin.collections.component2
-import kotlin.collections.emptyMap
-import kotlin.collections.find
-import kotlin.collections.forEach
-import kotlin.collections.get
-import kotlin.collections.listOf
-import kotlin.collections.mapValues
-import kotlin.collections.mutableMapOf
-import kotlin.collections.set
 
-@SideOnly(Side.CLIENT)
+val TextureLeaves = ClassRef<Any>("forestry.arboriculture.models.TextureLeaves")
+val TextureLeaves_leafTextures = FieldRef(TextureLeaves, "leafTextures", Map)
+val TextureLeaves_plain = FieldRef(TextureLeaves, "plain", ResourceLocation)
+val TextureLeaves_fancy = FieldRef(TextureLeaves, "fancy", ResourceLocation)
+val TextureLeaves_pollinatedPlain = FieldRef(TextureLeaves, "pollinatedPlain", ResourceLocation)
+val TextureLeaves_pollinatedFancy = FieldRef(TextureLeaves, "pollinatedFancy", ResourceLocation)
+
+
+val TileLeaves = ClassRef<Any>("forestry.arboriculture.tiles.TileLeaves")
+val TileLeaves_getLeaveSprite = MethodRef(TileLeaves, "getLeaveSprite", ResourceLocation, boolean)
+val PropertyWoodType = ClassRef<Any>("forestry.arboriculture.blocks.PropertyWoodType")
+val IWoodType = ClassRef<Any>("forestry.api.arboriculture.IWoodType")
+val IWoodType_barkTex = MethodRef(IWoodType, "getBarkTexture", String)
+val IWoodType_heartTex = MethodRef(IWoodType, "getHeartTexture", String)
+
+val PropertyTreeType = ClassRef<Any>("forestry.arboriculture.blocks.PropertyTreeType")
+val IAlleleTreeSpecies = ClassRef<Any>("forestry.api.arboriculture.IAlleleTreeSpecies")
+val ILeafSpriteProvider = ClassRef<Any>("forestry.api.arboriculture.ILeafSpriteProvider")
+val TreeDefinition = ClassRef<Any>("forestry.arboriculture.genetics.TreeDefinition")
+
+val IAlleleTreeSpecies_getLeafSpriteProvider = MethodRef(IAlleleTreeSpecies, "getLeafSpriteProvider", ILeafSpriteProvider)
+val TreeDefinition_species = FieldRef(TreeDefinition, "species", IAlleleTreeSpecies)
+val ILeafSpriteProvider_getSprite = MethodRef(ILeafSpriteProvider, "getSprite", ResourceLocation, boolean, boolean)
+
 object ForestryIntegration {
-
-    val TextureLeaves = ClassRef("forestry.arboriculture.models.TextureLeaves")
-    val TeLleafTextures = FieldRef(TextureLeaves, "leafTextures", Refs.Map)
-    val TeLplain = FieldRef(TextureLeaves, "plain", Refs.ResourceLocation)
-    val TeLfancy = FieldRef(TextureLeaves, "fancy", Refs.ResourceLocation)
-    val TeLpollplain = FieldRef(TextureLeaves, "pollinatedPlain", Refs.ResourceLocation)
-    val TeLpollfancy = FieldRef(TextureLeaves, "pollinatedFancy", Refs.ResourceLocation)
-    val TileLeaves = ClassRef("forestry.arboriculture.tiles.TileLeaves")
-    val TiLgetLeaveSprite = MethodRef(TileLeaves, "getLeaveSprite", Refs.ResourceLocation, ClassRef.boolean)
-
-    val PropertyWoodType = ClassRef("forestry.arboriculture.blocks.PropertyWoodType")
-    val IWoodType = ClassRef("forestry.api.arboriculture.IWoodType")
-    val barkTex = MethodRef(IWoodType, "getBarkTexture", Refs.String)
-    val heartTex = MethodRef(IWoodType, "getHeartTexture", Refs.String)
-
-    val PropertyTreeType = ClassRef("forestry.arboriculture.blocks.PropertyTreeType")
-    val TreeDefinition = ClassRef("forestry.arboriculture.genetics.TreeDefinition")
-    val IAlleleTreeSpecies = ClassRef("forestry.api.arboriculture.IAlleleTreeSpecies")
-    val ILeafSpriteProvider = ClassRef("forestry.api.arboriculture.ILeafSpriteProvider")
-    val TdSpecies = FieldRef(TreeDefinition, "species", IAlleleTreeSpecies)
-    val getLeafSpriteProvider = MethodRef(IAlleleTreeSpecies, "getLeafSpriteProvider", ILeafSpriteProvider)
-    val getSprite = MethodRef(ILeafSpriteProvider, "getSprite", Refs.ResourceLocation, ClassRef.boolean, ClassRef.boolean)
-
     init {
-        if (Loader.isModLoaded("forestry") && allAvailable(TiLgetLeaveSprite, getLeafSpriteProvider, getSprite)) {
-            Client.log(Level.INFO, "Forestry support initialized")
-            LeafRegistry.addRegistry(ForestryLeafRegistry)
-            LogRegistry.addRegistry(ForestryLogRegistry)
+        if (ModList.get().isLoaded("forestry") && allAvailable(TileLeaves_getLeaveSprite, IAlleleTreeSpecies_getLeafSpriteProvider, ILeafSpriteProvider_getSprite)) {
+            // Just keep it inactive for now until Forestry updates
         }
     }
 }
 
-object ForestryLeafRegistry : ModelRenderRegistry<LeafInfo> {
-    val logger = BetterFoliageMod.logDetail
-    val textureToKey = mutableMapOf<ResourceLocation, ModelRenderKey<LeafInfo>>()
-    var textureToValue = emptyMap<ResourceLocation, LeafInfo>()
+object ForestryLeafDiscovery : HasLogger, AsyncSpriteProvider<ModelBakery>, ModelRenderRegistry<LeafInfo> {
+    override val logger = BetterFoliage.logDetail
+    var idToValue = emptyMap<Identifier, LeafInfo>()
 
-    override fun get(state: IBlockState, world: IBlockAccess, pos: BlockPos): LeafInfo? {
+    override fun get(state: BlockState, world: IBlockReader, pos: BlockPos): LeafInfo? {
         // check variant property (used in decorative leaves)
-        state.properties.entries.find {
-            ForestryIntegration.PropertyTreeType.isInstance(it.key) && ForestryIntegration.TreeDefinition.isInstance(it.value)
+        state.values.entries.find {
+            PropertyTreeType.isInstance(it.key) && TreeDefinition.isInstance(it.value)
         } ?.let {
-            val species = ForestryIntegration.TdSpecies.get(it.value)
-            val spriteProvider = ForestryIntegration.getLeafSpriteProvider.invoke(species!!)
-            val textureLoc = ForestryIntegration.getSprite.invoke(spriteProvider!!, false, Minecraft.isFancyGraphicsEnabled())
-            return textureToValue[textureLoc]
+            val species = it.value[TreeDefinition_species]
+            val spriteProvider = species[IAlleleTreeSpecies_getLeafSpriteProvider]()
+            val textureLoc = spriteProvider[ILeafSpriteProvider_getSprite](false, Minecraft.isFancyGraphicsEnabled())
+            return idToValue[textureLoc]
         }
 
         // extract leaf texture information from TileEntity
-        val tile = world.getTileEntitySafe(pos) ?: return null
-        if (!ForestryIntegration.TileLeaves.isInstance(tile)) return null
-        val textureLoc = ForestryIntegration.TiLgetLeaveSprite.invoke(tile, Minecraft.isFancyGraphicsEnabled()) ?: return null
-        return textureToValue[textureLoc]
+        val tile = world.getTileEntity(pos) ?: return null
+        if (!TileLeaves.isInstance(tile)) return null
+        val textureLoc = tile[TileLeaves_getLeaveSprite](Minecraft.isFancyGraphicsEnabled())
+        return idToValue[textureLoc]
     }
 
-    @SubscribeEvent
-    fun handlePreStitch(event: TextureStitchEvent.Pre) {
-        textureToValue = emptyMap()
+    override fun setup(manager: IResourceManager, bakeryF: CompletableFuture<ModelBakery>, atlasFuture: AtlasFuture): StitchPhases {
+        val futures = mutableMapOf<Identifier, CompletableFuture<LeafInfo>>()
 
-        val allLeaves = ForestryIntegration.TeLleafTextures.getStatic() as Map<*, *>
-        allLeaves.entries.forEach {
-            logger.log(Level.DEBUG, "ForestryLeavesSupport: base leaf type ${it.key.toString()}")
-            listOf(
-                ForestryIntegration.TeLplain.get(it.value) as ResourceLocation,
-                ForestryIntegration.TeLfancy.get(it.value) as ResourceLocation,
-                ForestryIntegration.TeLpollplain.get(it.value) as ResourceLocation,
-                ForestryIntegration.TeLpollfancy.get(it.value) as ResourceLocation
-            ).forEach { textureLocation ->
-                val key = StandardLeafKey(logger, textureLocation.toString()).apply { onPreStitch(event.map) }
-                textureToKey[textureLocation] = key
+        return StitchPhases(
+            discovery = bakeryF.thenRunAsync {
+                val allLeaves = TextureLeaves_leafTextures.getStatic()
+                allLeaves.entries.forEach { (type, leaves) ->
+                    log("base leaf type $type")
+                    leaves!!
+                    listOf(
+                        leaves[TextureLeaves_plain], leaves[TextureLeaves_pollinatedPlain],
+                        leaves[TextureLeaves_fancy], leaves[TextureLeaves_pollinatedFancy]
+                    ).forEach { textureLocation ->
+                        futures[textureLocation] = defaultRegisterLeaf(textureLocation, atlasFuture)
+                    }
+                }
+            },
+            cleanup = atlasFuture.runAfter {
+                idToValue = futures.mapValues { it.value.get() }
             }
-        }
-    }
-
-    @SubscribeEvent(priority = EventPriority.LOW)
-    fun handlePostStitch(event: TextureStitchEvent.Post) {
-        textureToValue = textureToKey.mapValues { (_, key) -> key.resolveSprites(event.map) }
-        textureToKey.clear()
+        )
     }
 }
 
-object ForestryLogRegistry : ModelRenderRegistryBase<ColumnTextureInfo>() {
-    override val logger = BetterFoliageMod.logDetail
-
-    override fun processModel(state: IBlockState, modelLoc: ModelResourceLocation, model: IModel): ModelRenderKey<ColumnTextureInfo>? {
+object ForestryLogDiscovery : ModelDiscovery<ColumnTextureInfo>() {
+    override val logger = BetterFoliage.logDetail
+    override fun processModel(ctx: ModelDiscoveryContext, atlas: AtlasFuture): CompletableFuture<ColumnTextureInfo>? {
         // respect class list to avoid triggering on fences, stairs, etc.
-        if (!Config.blocks.logClasses.matchesClass(state.block)) return null
+        if (!BlockConfig.logBlocks.matchesClass(ctx.state.block)) return null
 
         // find wood type property
-        val woodType = state.properties.entries.find {
-            ForestryIntegration.PropertyWoodType.isInstance(it.key) && ForestryIntegration.IWoodType.isInstance(it.value)
-        } ?: return null
+        val woodType = ctx.state.values.entries.find {
+            PropertyWoodType.isInstance(it.key) && IWoodType.isInstance(it.value)
+        }
+        if (woodType != null) {
+            logger.log(Level.DEBUG, "ForestryLogRegistry: block state ${ctx.state}")
+            logger.log(Level.DEBUG, "ForestryLogRegistry:     variant ${woodType.value}")
 
-        logger.log(Level.DEBUG, "ForestryLogRegistry: block state $state")
-        logger.log(Level.DEBUG, "ForestryLogRegistry:     variant ${woodType.value}")
+            // get texture names for wood type
+            val bark = woodType.value[IWoodType_barkTex]()
+            val heart = woodType.value[IWoodType_heartTex]()
+            logger.log(Level.DEBUG, "ForestryLogSupport:    textures [heart=$heart, bark=$bark]")
 
-        // get texture names for wood type
-        val bark = ForestryIntegration.barkTex.invoke(woodType.value) as String?
-        val heart = ForestryIntegration.heartTex.invoke(woodType.value) as String?
-
-        logger.log(Level.DEBUG, "ForestryLogSupport:    textures [heart=$heart, bark=$bark]")
-        if (bark != null && heart != null) return SimpleColumnInfo.Key(logger, StandardLogRegistry.getAxis(state), listOf(heart, heart, bark))
+            val heartSprite = atlas.sprite(heart)
+            val barkSprite = atlas.sprite(bark)
+            return atlas.mapAfter {
+                SimpleColumnInfo(AsyncLogDiscovery.getAxis(ctx.state), heartSprite.get(), heartSprite.get(), listOf(barkSprite.get()))
+            }
+        }
         return null
     }
 }

src/main/kotlin/mods/betterfoliage/client/integration/OptifineCustomColors.kt

@@ -1,60 +1,49 @@
 package mods.betterfoliage.client.integration
 
-import mods.betterfoliage.client.Client
-import mods.betterfoliage.loader.Refs
-import mods.octarinecore.ThreadLocalDelegate
-import mods.octarinecore.client.render.BlockContext
-import mods.octarinecore.common.Int3
+import mods.betterfoliage.BetterFoliage
+import mods.octarinecore.*
+import mods.octarinecore.client.render.CombinedContext
 import mods.octarinecore.metaprog.allAvailable
 import mods.octarinecore.metaprog.reflectField
-import net.minecraft.block.state.IBlockState
+import net.minecraft.block.BlockState
 import net.minecraft.client.Minecraft
-import net.minecraft.client.renderer.block.model.BakedQuad
+import net.minecraft.client.renderer.model.BakedQuad
 import net.minecraft.client.renderer.vertex.DefaultVertexFormats
-import net.minecraft.util.EnumFacing
+import net.minecraft.util.Direction.UP
 import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
 import org.apache.logging.log4j.Level
 
 /**
  * Integration for OptiFine custom block colors.
  */
 @Suppress("UNCHECKED_CAST")
-@SideOnly(Side.CLIENT)
 object OptifineCustomColors {
 
-    val isColorAvailable = allAvailable(
-        Refs.CustomColors, Refs.getColorMultiplier
-    )
+    val isColorAvailable = allAvailable(CustomColors, CustomColors.getColorMultiplier)
 
     init {
-        Client.log(Level.INFO, "Optifine custom color support is ${if (isColorAvailable) "enabled" else "disabled" }")
+        BetterFoliage.log(Level.INFO, "Optifine custom color support is ${if (isColorAvailable) "enabled" else "disabled" }")
     }
 
     val renderEnv by ThreadLocalDelegate { OptifineRenderEnv() }
-    val fakeQuad = BakedQuad(IntArray(0), 1, EnumFacing.UP, null, true, DefaultVertexFormats.BLOCK)
+    val fakeQuad = BakedQuad(IntArray(0), 1, UP, null, true, DefaultVertexFormats.BLOCK)
 
-    fun getBlockColor(ctx: BlockContext): Int {
-        val ofColor = if (isColorAvailable && Minecraft.getMinecraft().gameSettings.reflectField<Boolean>("ofCustomColors") == true) {
-            renderEnv.reset(ctx.blockState(Int3.zero), ctx.pos)
-            Refs.getColorMultiplier.invokeStatic(fakeQuad, ctx.blockState(Int3.zero), ctx.world!!, ctx.pos, renderEnv.wrapped) as? Int
+    fun getBlockColor(ctx: CombinedContext): Int {
+        val ofColor = if (isColorAvailable && Minecraft.getInstance().gameSettings.reflectField<Boolean>("ofCustomColors") == true) {
+            renderEnv.reset(ctx.state, ctx.pos)
+            CustomColors.getColorMultiplier.invokeStatic(fakeQuad, ctx.state, ctx.world, ctx.pos, renderEnv.wrapped) as? Int
         } else null
-        return if (ofColor == null || ofColor == -1) ctx.blockData(Int3.zero).color else ofColor
+        return if (ofColor == null || ofColor == -1) ctx.lightingCtx.color else ofColor
     }
 }
 
-@SideOnly(Side.CLIENT)
 class OptifineRenderEnv {
-    val wrapped: Any = Refs.RenderEnv.element!!.getDeclaredConstructor(
-        Refs.IBlockState.element, Refs.BlockPos.element
-    ).let {
+    val wrapped: Any = RenderEnv.element!!.getDeclaredConstructor(BlockState.element, BlockPos.element).let {
         it.isAccessible = true
         it.newInstance(null, null)
     }
 
-    fun reset(state: IBlockState, pos: BlockPos) {
-        Refs.RenderEnv_reset.invoke(wrapped, state, pos)
+    fun reset(state: BlockState, pos: BlockPos) {
+        RenderEnv.reset.invoke(wrapped, state, pos)
     }
 }

src/main/kotlin/mods/betterfoliage/client/integration/RubberIntegration.kt

@@ -1,147 +1,162 @@
 package mods.betterfoliage.client.integration
 
-import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.Client
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.client.render.LogRegistry
 import mods.betterfoliage.client.render.column.ColumnTextureInfo
 import mods.betterfoliage.client.render.column.SimpleColumnInfo
+import mods.betterfoliage.client.resource.Sprite
+import mods.octarinecore.client.render.CombinedContext
 import mods.octarinecore.client.render.Quad
-import mods.octarinecore.client.render.QuadIconResolver
-import mods.octarinecore.client.render.ShadingContext
-import mods.octarinecore.client.render.blockContext
+import mods.octarinecore.client.render.lighting.QuadIconResolver
 import mods.octarinecore.client.resource.*
 import mods.octarinecore.common.rotate
 import mods.octarinecore.metaprog.ClassRef
 import mods.octarinecore.metaprog.allAvailable
-import net.minecraft.block.state.IBlockState
-import net.minecraft.client.renderer.block.model.ModelResourceLocation
-import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.client.renderer.texture.TextureMap
-import net.minecraft.util.EnumFacing
+import net.minecraft.client.renderer.model.BlockModel
+import net.minecraft.util.Direction
+import net.minecraft.util.Direction.*
 import net.minecraft.util.ResourceLocation
-import net.minecraftforge.client.model.IModel
-import net.minecraftforge.fml.common.Loader
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraftforge.fml.ModList
 import org.apache.logging.log4j.Level
-import org.apache.logging.log4j.Logger
+import java.util.concurrent.CompletableFuture
+
 
-@SideOnly(Side.CLIENT)
 object IC2RubberIntegration {
 
-    val BlockRubWood = ClassRef("ic2.core.block.BlockRubWood")
+    val BlockRubWood = ClassRef<Any>("ic2.core.block.BlockRubWood")
 
     init {
-        if (Loader.isModLoaded("ic2") && allAvailable(BlockRubWood)) {
-            Client.log(Level.INFO, "IC2 rubber support initialized")
-            LogRegistry.addRegistry(IC2LogSupport)
+        if (ModList.get().isLoaded("ic2") && allAvailable(BlockRubWood)) {
+            // keep it inactive for now until IC2 updates
+//            BetterFoliage.log(Level.INFO, "IC2 rubber support initialized")
+//            LogRegistry.registries.add(IC2LogDiscovery)
+//            BetterFoliage.blockSprites.providers.add(IC2LogDiscovery)
         }
     }
 }
 
-@SideOnly(Side.CLIENT)
+// Probably unneeded, as TechReborn went Fabric-only
+/*
 object TechRebornRubberIntegration {
 
-    val BlockRubberLog = ClassRef("techreborn.blocks.BlockRubberLog")
+    val BlockRubberLog = ClassRef<Any>("techreborn.blocks.BlockRubberLog")
 
     init {
-        if (Loader.isModLoaded("techreborn") && allAvailable(BlockRubberLog)) {
-            Client.log(Level.INFO, "TechReborn rubber support initialized")
-            LogRegistry.addRegistry(TechRebornLogSupport)
+        if (ModList.get().isLoaded("techreborn") && allAvailable(BlockRubberLog)) {
+            BetterFoliage.log(Level.INFO, "TechReborn rubber support initialized")
+            LogRegistry.registries.add(TechRebornLogDiscovery)
+            BetterFoliage.blockSprites.providers.add(TechRebornLogDiscovery)
         }
     }
 }
+ */
 
 class RubberLogInfo(
-    axis: EnumFacing.Axis?,
-    val spotDir: EnumFacing,
-    topTexture: TextureAtlasSprite,
-    bottomTexture: TextureAtlasSprite,
-    val spotTexture: TextureAtlasSprite,
-    sideTextures: List<TextureAtlasSprite>
+    axis: Axis?,
+    val spotDir: Direction,
+    topTexture: Sprite,
+    bottomTexture: Sprite,
+    val spotTexture: Sprite,
+    sideTextures: List<Sprite>
 ) : SimpleColumnInfo(axis, topTexture, bottomTexture, sideTextures) {
 
-    override val side: QuadIconResolver = { ctx: ShadingContext, idx: Int, quad: Quad ->
-        val worldFace = (if ((idx and 1) == 0) EnumFacing.SOUTH else EnumFacing.EAST).rotate(ctx.rotation)
+    override val side: QuadIconResolver = { ctx: CombinedContext, idx: Int, quad: Quad ->
+        val worldFace = (if ((idx and 1) == 0) SOUTH else EAST).rotate(ctx.modelRotation)
         if (worldFace == spotDir) spotTexture else {
-            val sideIdx = if (this.sideTextures.size > 1) (blockContext.random(1) + dirToIdx[worldFace.ordinal]) % this.sideTextures.size else 0
+            val sideIdx = if (this.sideTextures.size > 1) (ctx.semiRandom(1) + dirToIdx[worldFace.ordinal]) % this.sideTextures.size else 0
             this.sideTextures[sideIdx]
         }
     }
-
-    class Key(override val logger: Logger, val axis: EnumFacing.Axis?, val spotDir: EnumFacing, val textures: List<String>): ModelRenderKey<ColumnTextureInfo> {
-        override fun resolveSprites(atlas: TextureMap) = RubberLogInfo(
-            axis,
-            spotDir,
-            atlas[textures[0]] ?: atlas.missingSprite,
-            atlas[textures[1]] ?: atlas.missingSprite,
-            atlas[textures[2]] ?: atlas.missingSprite,
-            textures.drop(3).map { atlas[it] ?: atlas.missingSprite }
-        )
-    }
 }
 
-object IC2LogSupport : ModelRenderRegistryBase<ColumnTextureInfo>() {
-    override val logger = BetterFoliageMod.logDetail
+object IC2LogDiscovery : ModelDiscovery<ColumnTextureInfo>() {
+    override val logger = BetterFoliage.logDetail
 
-    override fun processModel(state: IBlockState, modelLoc: ModelResourceLocation, model: IModel): ModelRenderKey<ColumnTextureInfo>? {
+    override fun processModel(ctx: ModelDiscoveryContext, atlas: AtlasFuture): CompletableFuture<ColumnTextureInfo>? {
         // check for proper block class, existence of ModelBlock, and "state" blockstate property
-        if (!IC2RubberIntegration.BlockRubWood.isInstance(state.block)) return null
-        val blockLoc = model.modelBlockAndLoc.firstOrNull() ?: return null
-        val type = state.properties.entries.find { it.key.getName() == "state" }?.value?.toString() ?: return null
+        if (!IC2RubberIntegration.BlockRubWood.isInstance(ctx.state.block)) return null
+        val blockLoc = ctx.models.firstOrNull() as Pair<BlockModel, ResourceLocation> ?: return null
+        val type = ctx.state.values.entries.find { it.key.getName() == "state" }?.value?.toString() ?: return null
 
         // logs with no rubber spot
         if (blockLoc.derivesFrom(ResourceLocation("block/cube_column"))) {
             val axis = when(type) {
-                "plain_y" -> EnumFacing.Axis.Y
-                "plain_x" -> EnumFacing.Axis.X
-                "plain_z" -> EnumFacing.Axis.Z
+                "plain_y" -> Axis.Y
+                "plain_x" -> Axis.X
+                "plain_z" -> Axis.Z
                 else -> null
             }
-            val textureNames = listOf("end", "end", "side").map { blockLoc.first.resolveTextureName(it) }
+            val textureNames = listOf("end", "side").map { blockLoc.first.resolveTextureName(it) }
             if (textureNames.any { it == "missingno" }) return null
-            logger.log(Level.DEBUG, "IC2LogSupport: block state ${state.toString()}")
-            logger.log(Level.DEBUG, "IC2LogSupport:             axis=$axis, end=${textureNames[0]}, side=${textureNames[2]}")
-            return SimpleColumnInfo.Key(logger, axis, textureNames)
+            log("IC2LogSupport: block state ${ctx.state.toString()}")
+            log("IC2LogSupport:             axis=$axis, end=${textureNames[0]}, side=${textureNames[1]}")
+            val endSprite = atlas.sprite(textureNames[0])
+            val sideSprite = atlas.sprite(textureNames[1])
+            return atlas.mapAfter {
+                SimpleColumnInfo(axis, endSprite.get(), endSprite.get(), listOf(sideSprite.get()))
+            }
         }
 
         // logs with rubber spot
         val spotDir = when(type) {
-            "dry_north", "wet_north" -> EnumFacing.NORTH
-            "dry_south", "wet_south" -> EnumFacing.SOUTH
-            "dry_west", "wet_west" -> EnumFacing.WEST
-            "dry_east", "wet_east" -> EnumFacing.EAST
+            "dry_north", "wet_north" -> NORTH
+            "dry_south", "wet_south" -> SOUTH
+            "dry_west", "wet_west" -> WEST
+            "dry_east", "wet_east" -> EAST
             else -> null
         }
         val textureNames = listOf("up", "down", "north", "south").map { blockLoc.first.resolveTextureName(it) }
         if (textureNames.any { it == "missingno" }) return null
-        logger.log(Level.DEBUG, "IC2LogSupport: block state ${state.toString()}")
-        logger.log(Level.DEBUG, "IC2LogSupport:             spotDir=$spotDir, up=${textureNames[0]}, down=${textureNames[1]}, side=${textureNames[2]}, spot=${textureNames[3]}")
-        return if (spotDir != null) RubberLogInfo.Key(logger, EnumFacing.Axis.Y, spotDir, textureNames) else SimpleColumnInfo.Key(logger, EnumFacing.Axis.Y, textureNames)
+        log("IC2LogSupport: block state ${ctx.state.toString()}")
+        log("IC2LogSupport:             spotDir=$spotDir, up=${textureNames[0]}, down=${textureNames[1]}, side=${textureNames[2]}, spot=${textureNames[3]}")
+        val upSprite = atlas.sprite(textureNames[0])
+        val downSprite = atlas.sprite(textureNames[1])
+        val sideSprite = atlas.sprite(textureNames[2])
+        val spotSprite = atlas.sprite(textureNames[3])
+        return if (spotDir != null) atlas.mapAfter {
+            RubberLogInfo(Axis.Y, spotDir, upSprite.get(), downSprite.get(), spotSprite.get(), listOf(sideSprite.get()))
+        } else atlas.mapAfter {
+            SimpleColumnInfo(Axis.Y, upSprite.get(), downSprite.get(), listOf(sideSprite.get()))
+        }
     }
 }
 
-object TechRebornLogSupport : ModelRenderRegistryBase<ColumnTextureInfo>() {
-    override val logger = BetterFoliageMod.logDetail
+/*
+object TechRebornLogDiscovery : ModelDiscovery<ColumnTextureInfo>() {
+    override val logger = BetterFoliage.logDetail
 
-    override fun processModel(state: IBlockState, modelLoc: ModelResourceLocation, model: IModel): ModelRenderKey<ColumnTextureInfo>? {
+    override fun processModel(ctx: ModelDiscoveryContext, atlas: AtlasFuture): CompletableFuture<ColumnTextureInfo>? {
         // check for proper block class, existence of ModelBlock
-        if (!TechRebornRubberIntegration.BlockRubberLog.isInstance(state.block)) return null
-        val blockLoc = model.modelBlockAndLoc.firstOrNull() ?: return null
+        if (!TechRebornRubberIntegration.BlockRubberLog.isInstance(ctx.state.block)) return null
+        val blockLoc = ctx.models.map { it as? Pair<BlockModel, ResourceLocation> }.firstOrNull() ?: return null
 
-        val hasSap = state.properties.entries.find { it.key.getName() == "hassap" }?.value as? Boolean ?: return null
-        val sapSide = state.properties.entries.find { it.key.getName() == "sapside" }?.value as? EnumFacing ?: return null
+        val hasSap = ctx.state.values.entries.find { it.key.getName() == "hassap" }?.value as? Boolean ?: return null
+        val sapSide = ctx.state.values.entries.find { it.key.getName() == "sapside" }?.value as? Direction ?: return null
 
-        logger.log(Level.DEBUG, "$logName: block state $state")
+        log("$logName: block state ${ctx.state}")
         if (hasSap) {
-            val textureNames = listOf("end", "end", "sapside", "side").map { blockLoc.first.resolveTextureName(it) }
-            logger.log(Level.DEBUG, "$logName:             spotDir=$sapSide, end=${textureNames[0]}, side=${textureNames[2]}, spot=${textureNames[3]}")
-            if (textureNames.all { it != "missingno" }) return RubberLogInfo.Key(logger, EnumFacing.Axis.Y, sapSide, textureNames)
+            val textureNames = listOf("end", "side", "sapside").map { blockLoc.first.resolveTextureName(it) }
+            log("$logName:             spotDir=$sapSide, end=${textureNames[0]}, side=${textureNames[2]}, spot=${textureNames[3]}")
+            if (textureNames.all { it != "missingno" }) {
+                val endSprite = atlas.sprite(textureNames[0])
+                val sideSprite = atlas.sprite(textureNames[1])
+                val sapSprite = atlas.sprite(textureNames[2])
+                return atlas.mapAfter {
+                    RubberLogInfo(Axis.Y, sapSide, endSprite.get(), endSprite.get(), sapSprite.get(), listOf(sideSprite.get()))
+                }
+            }
         } else {
-            val textureNames = listOf("end", "end", "side").map { blockLoc.first.resolveTextureName(it) }
-            logger.log(Level.DEBUG, "$logName:             end=${textureNames[0]}, side=${textureNames[2]}")
-            if (textureNames.all { it != "missingno" })return SimpleColumnInfo.Key(logger, EnumFacing.Axis.Y, textureNames)
+            val textureNames = listOf("end", "side").map { blockLoc.first.resolveTextureName(it) }
+            log("$logName:             end=${textureNames[0]}, side=${textureNames[1]}")
+            if (textureNames.all { it != "missingno" }) {
+                val endSprite = atlas.sprite(textureNames[0])
+                val sideSprite = atlas.sprite(textureNames[1])
+                return atlas.mapAfter {
+                    SimpleColumnInfo(Axis.Y, endSprite.get(), endSprite.get(), listOf(sideSprite.get()))
+                }
+            }
         }
         return null
     }
-}
+}
+ */

src/main/kotlin/mods/betterfoliage/client/integration/ShadersModIntegration.kt

@@ -1,81 +1,68 @@
 package mods.betterfoliage.client.integration
 
-import mods.betterfoliage.client.Client
+import mods.betterfoliage.BetterFoliage
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
-import mods.betterfoliage.loader.Refs
+import mods.betterfoliage.client.texture.GrassRegistry
+import mods.betterfoliage.client.texture.LeafRegistry
+import mods.octarinecore.*
+import mods.octarinecore.client.render.CombinedContext
 import mods.octarinecore.metaprog.allAvailable
-import net.minecraft.block.Block
-import net.minecraft.block.BlockTallGrass
-import net.minecraft.block.state.IBlockState
+import mods.octarinecore.metaprog.get
+import net.minecraft.block.BlockRenderType
+import net.minecraft.block.BlockRenderType.MODEL
+import net.minecraft.block.BlockState
+import net.minecraft.block.Blocks
 import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.init.Blocks
-import net.minecraft.util.EnumBlockRenderType
-import net.minecraft.util.EnumBlockRenderType.MODEL
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraft.util.math.BlockPos
+import net.minecraft.world.IEnviromentBlockReader
 import org.apache.logging.log4j.Level.INFO
 
 /**
  * Integration for ShadersMod.
  */
-@SideOnly(Side.CLIENT)
 object ShadersModIntegration {
 
-    @JvmStatic val isAvailable = allAvailable(Refs.sVertexBuilder, Refs.pushEntity_state, Refs.pushEntity_num, Refs.popEntity)
+    @JvmStatic val isAvailable = allAvailable(SVertexBuilder, SVertexBuilder.pushState, SVertexBuilder.pushNum, SVertexBuilder.pop)
 
-    val grassDefaultBlockId = blockIdFor(Blocks.TALLGRASS.defaultState.withProperty(BlockTallGrass.TYPE, BlockTallGrass.EnumType.GRASS))
-    val leavesDefaultBlockId = blockIdFor(Blocks.LEAVES.defaultState)
-    fun blockIdFor(blockState: IBlockState) = Block.REGISTRY.getIDForObject(blockState.block).toLong() and 65535
+    val defaultLeaves = Blocks.OAK_LEAVES.defaultState
+    val defaultGrass = Blocks.GRASS.defaultState
 
-//    fun entityDataFor(blockState: IBlockState) =
-//        (Block.REGISTRY.getIDForObject(blockState.block).toLong() and 65535) //or
-//        ((blockState.renderType.ordinal.toLong() and 65535) shl 16) or
-//        (blockState.block.getMetaFromState(blockState).toLong() shl 32)
-
-    fun logEntityData(name: String, blockState: IBlockState) {
-        val blockId = Block.REGISTRY.getIDForObject(blockState.block).toLong() and 65535
-        val meta = blockState.renderType.ordinal.toLong() and 65535
-        val renderType = blockState.renderType.ordinal.toLong() and 65535
-        Client.log(INFO, "ShadersMod integration for $name")
-        Client.log(INFO, "     blockState=$blockState")
-        Client.log(INFO, "     blockId=$blockId, meta=$meta, type=$renderType")
-    }
     /**
      * Called from transformed ShadersMod code.
      * @see mods.betterfoliage.loader.BetterFoliageTransformer
      */
-    @JvmStatic fun getBlockIdOverride(original: Long, blockState: IBlockState): Long {
-        if (Config.blocks.leavesClasses.matchesClass(blockState.block)) return Config.shaders.leavesId
-        if (Config.blocks.crops.matchesClass(blockState.block)) return Config.shaders.grassId
-        return original
+    @JvmStatic fun getBlockStateOverride(state: BlockState, world: IEnviromentBlockReader, pos: BlockPos): BlockState {
+        if (LeafRegistry[state, world, pos] != null) return defaultLeaves
+        if (BlockConfig.crops.matchesClass(state.block)) return defaultGrass
+        return state
     }
 
     init {
-        Client.log(INFO, "ShadersMod integration is ${if (isAvailable) "enabled" else "disabled" }")
+        BetterFoliage.log(INFO, "ShadersMod integration is ${if (isAvailable) "enabled" else "disabled" }")
     }
 
+    inline fun renderAs(ctx: CombinedContext, renderType: BlockRenderType, enabled: Boolean = true, func: ()->Unit) =
+        renderAs(ctx, ctx.state, renderType, enabled, func)
+
     /** Quads rendered inside this block will use the given block entity data in shader programs. */
-    inline fun renderAs(blockId: Long, renderType: EnumBlockRenderType, renderer: BufferBuilder, enabled: Boolean = true, func: ()->Unit) {
-        val blockData = blockId or (renderType.ordinal shl 16).toLong()
-        if ((isAvailable && enabled)) {
-            val vertexBuilder = Refs.sVertexBuilder.get(renderer)!!
-            Refs.pushEntity_num.invoke(vertexBuilder, blockId)
+    inline fun renderAs(ctx: CombinedContext, state: BlockState, renderType: BlockRenderType, enabled: Boolean = true, func: ()->Unit) {
+        if (isAvailable && enabled) {
+            val buffer = ctx.renderCtx.renderBuffer
+            val sVertexBuilder = buffer[BufferBuilder_sVertexBuilder]
+            SVertexBuilder.pushState.invoke(sVertexBuilder, ctx.state, ctx.pos, ctx.world, buffer)
             func()
-            Refs.popEntity.invoke(vertexBuilder)
+            SVertexBuilder.pop.invoke(sVertexBuilder)
         } else {
             func()
         }
     }
 
-    /** Quads rendered inside this block will use the given block entity data in shader programs. */
-    inline fun renderAs(state: IBlockState, renderType: EnumBlockRenderType, renderer: BufferBuilder, enabled: Boolean = true, func: ()->Unit) =
-        renderAs(blockIdFor(state), renderType, renderer, enabled, func)
-
     /** Quads rendered inside this block will behave as tallgrass blocks in shader programs. */
-    inline fun grass(renderer: BufferBuilder, enabled: Boolean = true, func: ()->Unit) =
-        renderAs(Config.shaders.grassId, MODEL, renderer, enabled, func)
+    inline fun grass(ctx: CombinedContext, enabled: Boolean = true, func: ()->Unit) =
+        renderAs(ctx, defaultGrass, MODEL, enabled, func)
 
     /** Quads rendered inside this block will behave as leaf blocks in shader programs. */
-    inline fun leaves(renderer: BufferBuilder, enabled: Boolean = true, func: ()->Unit) =
-        renderAs(Config.shaders.leavesId, MODEL, renderer, enabled, func)
+    inline fun leaves(ctx: CombinedContext, enabled: Boolean = true, func: ()->Unit) =
+        renderAs(ctx, defaultLeaves, MODEL, enabled, func)
 }

src/main/kotlin/mods/betterfoliage/client/render/EntityFallingLeavesFX.kt

@@ -5,7 +5,7 @@ import mods.betterfoliage.client.texture.LeafParticleRegistry
 import mods.betterfoliage.client.texture.LeafRegistry
 import mods.octarinecore.PI2
 import mods.octarinecore.client.render.AbstractEntityFX
-import mods.octarinecore.client.render.HSB
+import mods.octarinecore.client.render.lighting.HSB
 import mods.octarinecore.common.Double3
 import mods.octarinecore.minmax
 import mods.octarinecore.random
@@ -15,18 +15,22 @@ import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.MathHelper
 import net.minecraft.world.World
 import net.minecraftforge.common.MinecraftForge
+import net.minecraftforge.event.TickEvent
 import net.minecraftforge.event.world.WorldEvent
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
-import net.minecraftforge.fml.common.gameevent.TickEvent
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraftforge.eventbus.api.SubscribeEvent
 import org.lwjgl.opengl.GL11
-import java.lang.Math.*
 import java.util.*
+import kotlin.math.abs
+import kotlin.math.cos
+import kotlin.math.sin
 
-@SideOnly(Side.CLIENT)
-class EntityFallingLeavesFX(world: World, pos: BlockPos) :
-AbstractEntityFX(world, pos.x.toDouble() + 0.5, pos.y.toDouble(), pos.z.toDouble() + 0.5) {
+const val rotationFactor = PI2.toFloat() / 64.0f
+
+class EntityFallingLeavesFX(
+    world: World, pos: BlockPos
+) : AbstractEntityFX(
+    world, pos.x.toDouble() + 0.5, pos.y.toDouble(), pos.z.toDouble() + 0.5
+) {
 
     companion object {
         @JvmStatic val biomeBrightnessMultiplier = 0.5f
@@ -38,38 +42,40 @@ AbstractEntityFX(world, pos.x.toDouble() + 0.5, pos.y.toDouble(), pos.z.toDouble
     var wasCollided = false
 
     init {
-        particleMaxAge = MathHelper.floor(random(0.6, 1.0) * Config.fallingLeaves.lifetime * 20.0)
+        maxAge = MathHelper.floor(random(0.6, 1.0) * Config.fallingLeaves.lifetime * 20.0)
         motionY = -Config.fallingLeaves.speed
+
         particleScale = Config.fallingLeaves.size.toFloat() * 0.1f
 
         val state = world.getBlockState(pos)
-        val blockColor = Minecraft.getMinecraft().blockColors.colorMultiplier(state, world, pos, 0)
         val leafInfo = LeafRegistry[state, world, pos]
+        val blockColor = Minecraft.getInstance().blockColors.getColor(state, world, pos, 0)
         if (leafInfo != null) {
-            particleTexture = leafInfo.particleTextures[rand.nextInt(1024)]
+            sprite = leafInfo.particleTextures[rand.nextInt(1024)]
             calculateParticleColor(leafInfo.averageColor, blockColor)
         } else {
-            particleTexture = LeafParticleRegistry["default"][rand.nextInt(1024)]
+            sprite = LeafParticleRegistry["default"][rand.nextInt(1024)]
             setColor(blockColor)
         }
     }
 
-    override val isValid: Boolean get() = (particleTexture != null)
+    override val isValid: Boolean get() = (sprite != null)
 
     override fun update() {
         if (rand.nextFloat() > 0.95f) rotPositive = !rotPositive
-        if (particleAge > particleMaxAge - 20) particleAlpha = 0.05f * (particleMaxAge - particleAge)
+        if (age > maxAge - 20) particleAlpha = 0.05f * (maxAge - age)
 
         if (onGround || wasCollided) {
             velocity.setTo(0.0, 0.0, 0.0)
             if (!wasCollided) {
-                particleAge = Math.max(particleAge, particleMaxAge - 20)
+                age = Math.max(age, maxAge - 20)
                 wasCollided = true
             }
         } else {
             velocity.setTo(cos[particleRot], 0.0, sin[particleRot]).mul(Config.fallingLeaves.perturb)
                     .add(LeafWindTracker.current).add(0.0, -1.0, 0.0).mul(Config.fallingLeaves.speed)
             particleRot = (particleRot + (if (rotPositive) 1 else -1)) and 63
+            particleAngle = rotationFactor * particleRot.toFloat()
         }
     }
 
@@ -96,7 +102,6 @@ AbstractEntityFX(world, pos.x.toDouble() + 0.5, pos.y.toDouble(), pos.z.toDouble
     }
 }
 
-@SideOnly(Side.CLIENT)
 object LeafWindTracker {
     var random = Random()
     val target = Double3.zero
@@ -108,7 +113,7 @@ object LeafWindTracker {
     }
 
     fun changeWind(world: World) {
-        nextChange = world.worldInfo.worldTime + 120 + random.nextInt(80)
+        nextChange = world.worldInfo.gameTime + 120 + random.nextInt(80)
         val direction = PI2 * random.nextDouble()
         val speed = abs(random.nextGaussian()) * Config.fallingLeaves.windStrength +
             (if (!world.isRaining) 0.0 else abs(random.nextGaussian()) * Config.fallingLeaves.stormStrength)
@@ -117,9 +122,9 @@ object LeafWindTracker {
 
     @SubscribeEvent
     fun handleWorldTick(event: TickEvent.ClientTickEvent) {
-        if (event.phase == TickEvent.Phase.START) Minecraft.getMinecraft().world?.let { world ->
+        if (event.phase == TickEvent.Phase.START) Minecraft.getInstance().world?.let { world ->
             // change target wind speed
-            if (world.worldInfo.worldTime >= nextChange) changeWind(world)
+            if (world.worldInfo.dayTime >= nextChange) changeWind(world)
 
             // change current wind speed
             val changeRate = if (world.isRaining) 0.015 else 0.005
@@ -132,5 +137,5 @@ object LeafWindTracker {
     }
 
     @SubscribeEvent
-    fun handleWorldLoad(event: WorldEvent.Load) { if (event.world.isRemote) changeWind(event.world) }
+    fun handleWorldLoad(event: WorldEvent.Load) { if (event.world.isRemote) changeWind(event.world.world) }
 }

src/main/kotlin/mods/betterfoliage/client/render/EntityRisingSoulFX.kt

@@ -1,22 +1,23 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
 import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.client.resource.Identifier
 import mods.octarinecore.client.render.AbstractEntityFX
+import mods.octarinecore.client.resource.Atlas
 import mods.octarinecore.client.resource.ResourceHandler
 import mods.octarinecore.common.Double3
 import mods.octarinecore.forEachPairIndexed
 import net.minecraft.client.renderer.BufferBuilder
+import net.minecraft.util.ResourceLocation
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.MathHelper
 import net.minecraft.world.World
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level.INFO
+import org.apache.logging.log4j.Level.DEBUG
 import java.util.*
 
-@SideOnly(Side.CLIENT)
 class EntityRisingSoulFX(world: World, pos: BlockPos) :
 AbstractEntityFX(world, pos.x.toDouble() + 0.5, pos.y.toDouble() + 1.0, pos.z.toDouble() + 0.5) {
 
@@ -26,14 +27,14 @@ AbstractEntityFX(world, pos.x.toDouble() + 0.5, pos.y.toDouble() + 1.0, pos.z.to
     init {
         motionY = 0.1
         particleGravity = 0.0f
-        particleTexture = RisingSoulTextures.headIcons[rand.nextInt(256)]
-        particleMaxAge = MathHelper.floor((0.6 + 0.4 * rand.nextDouble()) * Config.risingSoul.lifetime * 20.0)
+        sprite = RisingSoulTextures.headIcons[rand.nextInt(256)]
+        maxAge = MathHelper.floor((0.6 + 0.4 * rand.nextDouble()) * Config.risingSoul.lifetime * 20.0)
     }
 
     override val isValid: Boolean get() = true
 
     override fun update() {
-        val phase = (initialPhase + particleAge) % 64
+        val phase = (initialPhase + age) % 64
         velocity.setTo(cos[phase] * Config.risingSoul.perturb, 0.1, sin[phase] * Config.risingSoul.perturb)
 
         particleTrail.addFirst(currentPos.copy())
@@ -43,8 +44,8 @@ AbstractEntityFX(world, pos.x.toDouble() + 0.5, pos.y.toDouble() + 1.0, pos.z.to
     }
 
     override fun render(worldRenderer: BufferBuilder, partialTickTime: Float) {
-        var alpha = Config.risingSoul.opacity
-        if (particleAge > particleMaxAge - 40) alpha *= (particleMaxAge - particleAge) / 40.0f
+        var alpha = Config.risingSoul.opacity.toFloat()
+        if (age > maxAge - 40) alpha *= (maxAge - age) / 40.0f
 
         renderParticleQuad(worldRenderer, partialTickTime,
             size = Config.risingSoul.headSize * 0.25,
@@ -54,24 +55,19 @@ AbstractEntityFX(world, pos.x.toDouble() + 0.5, pos.y.toDouble() + 1.0, pos.z.to
         var scale = Config.risingSoul.trailSize * 0.25
         particleTrail.forEachPairIndexed { idx, current, previous ->
             scale *= Config.risingSoul.sizeDecay
-            alpha *= Config.risingSoul.opacityDecay
+            alpha *= Config.risingSoul.opacityDecay.toFloat()
             if (idx % Config.risingSoul.trailDensity == 0) renderParticleQuad(worldRenderer, partialTickTime,
                 currentPos = current,
                 prevPos = previous,
                 size = scale,
                 alpha = alpha,
-                icon = RisingSoulTextures.trackIcon.icon!!
+                icon = RisingSoulTextures.trackIcon
             )
         }
     }
 }
 
-@SideOnly(Side.CLIENT)
-object RisingSoulTextures : ResourceHandler(BetterFoliageMod.MOD_ID) {
-    val headIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/rising_soul_%d")
-    val trackIcon = iconStatic(BetterFoliageMod.LEGACY_DOMAIN, "blocks/soul_track")
-
-    override fun afterPreStitch() {
-        Client.log(INFO, "Registered ${headIcons.num} soul particle textures")
-    }
+object RisingSoulTextures : ResourceHandler(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus, targetAtlas = Atlas.PARTICLES) {
+    val headIcons = spriteSet { idx -> ResourceLocation(BetterFoliageMod.MOD_ID, "rising_soul_$idx") }
+    val trackIcon by sprite(Identifier(BetterFoliageMod.MOD_ID, "soul_track"))
 }

src/main/kotlin/mods/betterfoliage/client/render/ModelColumn.kt

@@ -3,10 +3,10 @@ package mods.betterfoliage.client.render
 
 import mods.betterfoliage.client.config.Config
 import mods.octarinecore.client.render.*
+import mods.octarinecore.client.render.lighting.*
 import mods.octarinecore.common.Double3
 import mods.octarinecore.exchange
-import net.minecraft.util.EnumFacing.*
-import org.lwjgl.opengl.GL11
+import net.minecraft.util.Direction.*
 
 /** Weight of the same-side AO values on the outer edges of the 45deg chamfered column faces. */
 const val chamferAffinity = 0.9f
@@ -25,10 +25,10 @@ fun Model.columnSide(radius: Double, yBottom: Double, yTop: Double, transform: (
         verticalRectangle(x1 = 0.5 - radius, z1 = 0.5, x2 = 0.5 - halfRadius, z2 = 0.5 - halfRadius, yBottom = yBottom, yTop = yTop)
         .clampUV(minU = 0.5 - radius)
         .setAoShader(
-            faceOrientedAuto(overrideFace = SOUTH, corner = cornerInterpolate(Axis.Y, chamferAffinity, Config.roundLogs.dimming))
+            faceOrientedAuto(overrideFace = SOUTH, corner = cornerInterpolate(Axis.Y, chamferAffinity, Config.roundLogs.dimming.toFloat()))
         )
         .setAoShader(
-            faceOrientedAuto(overrideFace = SOUTH, corner = cornerInterpolate(Axis.Y, 0.5f, Config.roundLogs.dimming)),
+            faceOrientedAuto(overrideFace = SOUTH, corner = cornerInterpolate(Axis.Y, 0.5f, Config.roundLogs.dimming.toFloat())),
             predicate = { v, vi -> vi == 1 || vi == 2}
         )
     ).forEach { transform(it.setFlatShader(FaceFlat(SOUTH))).add() }
@@ -37,9 +37,9 @@ fun Model.columnSide(radius: Double, yBottom: Double, yTop: Double, transform: (
         verticalRectangle(x1 = 0.5 - halfRadius, z1 = 0.5 - halfRadius, x2 = 0.5, z2 = 0.5 - radius, yBottom = yBottom, yTop = yTop)
         .clampUV(maxU = radius - 0.5)
         .setAoShader(
-            faceOrientedAuto(overrideFace = EAST, corner = cornerInterpolate(Axis.Y, chamferAffinity, Config.roundLogs.dimming)))
+            faceOrientedAuto(overrideFace = EAST, corner = cornerInterpolate(Axis.Y, chamferAffinity, Config.roundLogs.dimming.toFloat())))
         .setAoShader(
-            faceOrientedAuto(overrideFace = EAST, corner = cornerInterpolate(Axis.Y, 0.5f, Config.roundLogs.dimming)),
+            faceOrientedAuto(overrideFace = EAST, corner = cornerInterpolate(Axis.Y, 0.5f, Config.roundLogs.dimming.toFloat())),
             predicate = { v, vi -> vi == 0 || vi == 3}
         ),
 

src/main/kotlin/mods/betterfoliage/client/render/RenderAlgae.kt

@@ -1,57 +1,42 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.integration.ShadersModIntegration
-import mods.octarinecore.client.render.*
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.Rotation
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.RenderDecorator
 import net.minecraft.block.material.Material
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level.INFO
+import net.minecraft.tags.BlockTags
+import net.minecraft.util.ResourceLocation
+import net.minecraft.world.biome.Biome
+import org.apache.logging.log4j.Level.DEBUG
 
-@SideOnly(Side.CLIENT)
-class RenderAlgae : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderAlgae : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
     val noise = simplexNoise()
 
-    val algaeIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_algae_%d")
-    val algaeModels = modelSet(64, RenderGrass.grassTopQuads(Config.algae.heightMin, Config.algae.heightMax))
+    val algaeIcons = spriteSet { idx -> ResourceLocation(BetterFoliageMod.MOD_ID, "blocks/better_algae_$idx") }
+    val algaeModels = modelSet(64) { idx -> RenderGrass.grassTopQuads(Config.algae.heightMin, Config.algae.heightMax)(idx) }
 
-    override fun afterPreStitch() {
-        Client.log(INFO, "Registered ${algaeIcons.num} algae textures")
-    }
-
-    override fun isEligible(ctx: BlockContext) =
+    override fun isEligible(ctx: CombinedContext) =
         Config.enabled && Config.algae.enabled &&
-        ctx.blockState(up2).material == Material.WATER &&
-        ctx.blockState(up1).material == Material.WATER &&
-        Config.blocks.dirt.matchesClass(ctx.block) &&
-        ctx.biomeId in Config.algae.biomes &&
+        ctx.state(up2).material == Material.WATER &&
+        ctx.state(up1).material == Material.WATER &&
+        BlockTags.DIRT_LIKE.contains(ctx.state.block) &&
+        ctx.biome.category.let { it == Biome.Category.OCEAN || it == Biome.Category.BEACH || it == Biome.Category.RIVER } &&
         noise[ctx.pos] < Config.algae.population
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        val baseRender = renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-        if (!layer.isCutout) return baseRender
-
-        modelRenderer.updateShading(Int3.zero, allFaces)
-
+    override fun render(ctx: CombinedContext) {
+        ctx.render()
+        if (!ctx.isCutout) return
         val rand = ctx.semiRandomArray(3)
-
-        ShadersModIntegration.grass(renderer, Config.algae.shaderWind) {
-            modelRenderer.render(
-                renderer,
+        ShadersModIntegration.grass(ctx, Config.algae.shaderWind) {
+            ctx.render(
                 algaeModels[rand[2]],
-                Rotation.identity,
-                icon = { _, qi, _ -> algaeIcons[rand[qi and 1]]!! },
-                postProcess = noPost
+                icon = { _, qi, _ -> algaeIcons[rand[qi and 1]] }
             )
         }
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderCactus.kt

@@ -1,43 +1,51 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.Client
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.render.column.ColumnTextureInfo
 import mods.betterfoliage.client.render.column.SimpleColumnInfo
+import mods.betterfoliage.client.resource.Identifier
 import mods.octarinecore.client.render.*
-import mods.octarinecore.client.resource.ModelRenderRegistryConfigurable
-import mods.octarinecore.common.Int3
+import mods.octarinecore.client.render.lighting.*
+import mods.octarinecore.client.resource.*
 import mods.octarinecore.common.Rotation
 import mods.octarinecore.common.config.ModelTextureList
 import mods.octarinecore.common.config.SimpleBlockMatcher
-import net.minecraft.block.BlockCactus
-import net.minecraft.block.state.IBlockState
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing.*
-import net.minecraftforge.common.MinecraftForge
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level
+import net.minecraft.block.BlockState
+import net.minecraft.block.CactusBlock
+import net.minecraft.util.Direction.*
+import org.apache.logging.log4j.Level.DEBUG
+import java.util.concurrent.CompletableFuture
 
-object StandardCactusRegistry : ModelRenderRegistryConfigurable<ColumnTextureInfo>() {
-    override val logger = BetterFoliageMod.logDetail
-    override val matchClasses = SimpleBlockMatcher(BlockCactus::class.java)
+object AsyncCactusDiscovery : ConfigurableModelDiscovery<ColumnTextureInfo>() {
+    override val logger = BetterFoliage.logDetail
+    override val matchClasses = SimpleBlockMatcher(CactusBlock::class.java)
     override val modelTextures = listOf(ModelTextureList("block/cactus", "top", "bottom", "side"))
-    override fun processModel(state: IBlockState, textures: List<String>) = SimpleColumnInfo.Key(logger, Axis.Y, textures)
-    init { MinecraftForge.EVENT_BUS.register(this) }
+    override fun processModel(state: BlockState, textures: List<String>, atlas: AtlasFuture): CompletableFuture<ColumnTextureInfo>? {
+        val sprites = textures.map { atlas.sprite(Identifier(it)) }
+        return atlas.mapAfter {
+            SimpleColumnInfo(
+                Axis.Y,
+                sprites[0].get(),
+                sprites[1].get(),
+                sprites.drop(2).map { it.get() }
+            )
+        }
+    }
+
+    fun init() {
+        BetterFoliage.blockSprites.providers.add(this)
+    }
 }
 
-@SideOnly(Side.CLIENT)
-class RenderCactus : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderCactus : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
     val cactusStemRadius = 0.4375
     val cactusArmRotation = listOf(NORTH, SOUTH, EAST, WEST).map { Rotation.rot90[it.ordinal] }
 
-    val iconCross = iconStatic(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_cactus")
-    val iconArm = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_cactus_arm_%d")
+    val iconCross by sprite(Identifier(BetterFoliageMod.MOD_ID, "blocks/better_cactus"))
+    val iconArm = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_cactus_arm_$idx") }
 
     val modelStem = model {
         horizontalRectangle(x1 = -cactusStemRadius, x2 = cactusStemRadius, z1 = -cactusStemRadius, z2 = cactusStemRadius, y = 0.5)
@@ -67,45 +75,30 @@ class RenderCactus : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
         .toCross(UP) { it.move(xzDisk(modelIdx) * Config.cactus.hOffset) }.addAll()
     }
 
-    override fun afterPreStitch() {
-        Client.log(Level.INFO, "Registered ${iconArm.num} cactus arm textures")
-    }
-
-    override fun isEligible(ctx: BlockContext): Boolean =
+    override fun isEligible(ctx: CombinedContext): Boolean =
         Config.enabled && Config.cactus.enabled &&
-        Config.blocks.cactus.matchesClass(ctx.block)
+        AsyncCactusDiscovery[ctx] != null
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        // render the whole block on the cutout layer
-        if (!layer.isCutout) return false
+    override val onlyOnCutout get() = true
 
-        // get AO data
-        modelRenderer.updateShading(Int3.zero, allFaces)
-        val icons = StandardCactusRegistry[ctx] ?: return renderWorldBlockBase(ctx, dispatcher, renderer, null)
+    override fun render(ctx: CombinedContext) {
+        val icons = AsyncCactusDiscovery[ctx]!!
 
-        modelRenderer.render(
-            renderer,
+        ctx.render(
             modelStem.model,
-            Rotation.identity,
             icon = { ctx, qi, q -> when(qi) {
                 0 -> icons.bottom(ctx, qi, q); 1 -> icons.top(ctx, qi, q); else -> icons.side(ctx, qi, q)
-            } },
-            postProcess = noPost
+            } }
         )
-        modelRenderer.render(
-            renderer,
-            modelCross[ctx.random(0)],
-            Rotation.identity,
-            icon = { _, _, _ -> iconCross.icon!!},
-            postProcess = noPost
+        ctx.render(
+            modelCross[ctx.semiRandom(0)],
+            icon = { _, _, _ -> iconCross }
         )
-        modelRenderer.render(
-            renderer,
-            modelArm[ctx.random(1)],
-            cactusArmRotation[ctx.random(2) % 4],
-            icon = { _, _, _ -> iconArm[ctx.random(3)]!!},
-            postProcess = noPost
+
+        ctx.render(
+            modelArm[ctx.semiRandom(1)],
+            cactusArmRotation[ctx.semiRandom(2) % 4],
+            icon = { _, _, _ -> iconArm[ctx.semiRandom(3)] }
         )
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrass.kt

@@ -2,35 +2,44 @@ package mods.betterfoliage.client.render
 
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.config.Config
-import mods.octarinecore.client.render.AbstractBlockRenderingHandler
-import mods.octarinecore.client.render.BlockContext
-import mods.octarinecore.client.render.withOffset
+import mods.betterfoliage.client.texture.GrassRegistry
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.RenderDecorator
 import mods.octarinecore.common.Int3
-import mods.octarinecore.common.forgeDirsHorizontal
+import mods.octarinecore.common.horizontalDirections
 import mods.octarinecore.common.offset
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraft.tags.BlockTags
 
-@SideOnly(Side.CLIENT)
-class RenderConnectedGrass : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
-    override fun isEligible(ctx: BlockContext) =
+class RenderConnectedGrass : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
+    override fun isEligible(ctx: CombinedContext) =
         Config.enabled && Config.connectedGrass.enabled &&
-        Config.blocks.dirt.matchesClass(ctx.block) &&
-        Config.blocks.grassClasses.matchesClass(ctx.block(up1)) &&
-        (Config.connectedGrass.snowEnabled || !ctx.blockState(up2).isSnow)
+        BlockTags.DIRT_LIKE.contains(ctx.state.block) &&
+        GrassRegistry[ctx, up1] != null &&
+        (Config.connectedGrass.snowEnabled || !ctx.state(up2).isSnow)
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
+    override fun render(ctx: CombinedContext) {
         // if the block sides are not visible anyway, render normally
-        if (forgeDirsHorizontal.all { ctx.blockState(it.offset).isOpaqueCube }) return renderWorldBlockBase(ctx, dispatcher, renderer, layer)
+        if (horizontalDirections.none { ctx.shouldSideBeRendered(it) }) {
+            ctx.render()
+        } else {
+            ctx.exchange(Int3.zero, up1).exchange(up1, up2).render()
+        }
+    }
+}
 
-        if (ctx.isSurroundedBy { it.isOpaqueCube } ) return false
-        return ctx.withOffset(Int3.zero, up1) {
-            ctx.withOffset(up1, up2) {
-                renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-            }
+class RenderConnectedGrassLog : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
+
+    override fun isEligible(ctx: CombinedContext) =
+        Config.enabled && Config.roundLogs.enabled && Config.roundLogs.connectGrass &&
+        BlockTags.DIRT_LIKE.contains(ctx.state.block) &&
+        LogRegistry[ctx, up1] != null
+
+    override fun render(ctx: CombinedContext) {
+        val grassDir = horizontalDirections.find { GrassRegistry[ctx, it.offset] != null }
+        if (grassDir == null) {
+            ctx.render()
+        } else {
+            ctx.exchange(Int3.zero, grassDir.offset).render()
         }
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrassLog.kt

@@ -1,36 +0,0 @@
-package mods.betterfoliage.client.render
-
-import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.config.Config
-import mods.octarinecore.client.render.AbstractBlockRenderingHandler
-import mods.octarinecore.client.render.BlockContext
-import mods.octarinecore.client.render.withOffset
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.offset
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing.*
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-
-@SideOnly(Side.CLIENT)
-class RenderConnectedGrassLog : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
-
-    val grassCheckDirs = listOf(EAST, WEST, NORTH, SOUTH)
-
-    override fun isEligible(ctx: BlockContext) =
-        Config.enabled && Config.roundLogs.enabled && Config.roundLogs.connectGrass &&
-        Config.blocks.dirt.matchesClass(ctx.block) &&
-        Config.blocks.logClasses.matchesClass(ctx.block(up1))
-
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        val grassDir = grassCheckDirs.find {
-            Config.blocks.grassClasses.matchesClass(ctx.block(it.offset))
-        } ?: return renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-
-        return ctx.withOffset(Int3.zero, grassDir.offset) {
-            renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-        }
-    }
-}

src/main/kotlin/mods/betterfoliage/client/render/RenderCoral.kt

@@ -1,30 +1,28 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
 import mods.octarinecore.client.render.*
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.forgeDirOffsets
-import mods.octarinecore.common.forgeDirs
+import mods.octarinecore.client.render.lighting.*
+import mods.octarinecore.common.allDirections
 import mods.octarinecore.random
 import net.minecraft.block.material.Material
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing.Axis
-import net.minecraft.util.EnumFacing.UP
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level.INFO
+import net.minecraft.tags.BlockTags
+import net.minecraft.util.Direction.Axis
+import net.minecraft.util.Direction.UP
+import net.minecraft.util.ResourceLocation
+import net.minecraft.world.biome.Biome
+import org.apache.logging.log4j.Level.DEBUG
 
-@SideOnly(Side.CLIENT)
-class RenderCoral : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderCoral : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
     val noise = simplexNoise()
 
-    val coralIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_coral_%d")
-    val crustIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_crust_%d")
+    val coralIcons = spriteSet { idx -> ResourceLocation(BetterFoliageMod.MOD_ID, "blocks/better_coral_$idx") }
+    val crustIcons = spriteSet { idx -> ResourceLocation(BetterFoliageMod.MOD_ID, "blocks/better_crust_$idx") }
     val coralModels = modelSet(64) { modelIdx ->
         verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = 0.0, yTop = 1.0)
         .scale(Config.coral.size).move(0.5 to UP)
@@ -40,38 +38,27 @@ class RenderCoral : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
         }
     }
 
-    override fun afterPreStitch() {
-        Client.log(INFO, "Registered ${coralIcons.num} coral textures")
-        Client.log(INFO, "Registered ${crustIcons.num} coral crust textures")
-    }
-
-    override fun isEligible(ctx: BlockContext) =
+    override fun isEligible(ctx: CombinedContext) =
         Config.enabled && Config.coral.enabled &&
-        (ctx.blockState(up2).material == Material.WATER || Config.coral.shallowWater) &&
-        ctx.blockState(up1).material == Material.WATER &&
-        Config.blocks.sand.matchesClass(ctx.block) &&
-        ctx.biomeId in Config.coral.biomes &&
+        (ctx.state(up2).material == Material.WATER || Config.coral.shallowWater) &&
+        ctx.state(up1).material == Material.WATER &&
+        BlockTags.SAND.contains(ctx.state.block) &&
+        ctx.biome.category.let { it == Biome.Category.OCEAN || it == Biome.Category.BEACH } &&
         noise[ctx.pos] < Config.coral.population
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        val baseRender = renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-        if (!layer.isCutout) return baseRender
+    override fun render(ctx: CombinedContext) {
+        val baseRender = ctx.render()
+        if (!ctx.isCutout) return
 
-        modelRenderer.updateShading(Int3.zero, allFaces)
-
-        forgeDirs.forEachIndexed { idx, face ->
-            if (!ctx.blockState(forgeDirOffsets[idx]).isOpaqueCube && blockContext.random(idx) < Config.coral.chance) {
-                var variation = blockContext.random(6)
-                modelRenderer.render(
-                    renderer,
+        allDirections.forEachIndexed { idx, face ->
+            if (ctx.state(face).material == Material.WATER && ctx.semiRandom(idx) < Config.coral.chance) {
+                var variation = ctx.semiRandom(6)
+                ctx.render(
                     coralModels[variation++],
                     rotationFromUp[idx],
-                    icon = { _, qi, _ -> if (qi == 4) crustIcons[variation]!! else coralIcons[variation + (qi and 1)]!!},
-                    postProcess = noPost
+                    icon = { _, qi, _ -> if (qi == 4) crustIcons[variation] else coralIcons[variation + (qi and 1)] }
                 )
             }
         }
-
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderGrass.kt

@@ -1,27 +1,29 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.integration.OptifineCustomColors
 import mods.betterfoliage.client.integration.ShadersModIntegration
+import mods.betterfoliage.client.resource.Identifier
+import mods.betterfoliage.client.texture.GeneratedGrass
 import mods.betterfoliage.client.texture.GrassRegistry
-import mods.octarinecore.client.render.*
-import mods.octarinecore.common.*
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.Model
+import mods.octarinecore.client.render.RenderDecorator
+import mods.octarinecore.client.render.fullCube
+import mods.octarinecore.client.render.lighting.cornerAo
+import mods.octarinecore.client.render.lighting.cornerFlat
+import mods.octarinecore.client.render.lighting.faceOrientedAuto
+import mods.octarinecore.common.Double3
+import mods.octarinecore.common.allDirections
 import mods.octarinecore.random
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumBlockRenderType
-import net.minecraft.util.EnumBlockRenderType.MODEL
-import net.minecraft.util.EnumFacing.Axis
-import net.minecraft.util.EnumFacing.UP
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level.INFO
+import net.minecraft.tags.BlockTags
+import net.minecraft.util.Direction.*
+import org.apache.logging.log4j.Level.DEBUG
 
-@SideOnly(Side.CLIENT)
-class RenderGrass : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderGrass : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
     companion object {
         @JvmStatic fun grassTopQuads(heightMin: Double, heightMax: Double): Model.(Int)->Unit = { modelIdx ->
@@ -36,92 +38,65 @@ class RenderGrass : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
 
     val noise = simplexNoise()
 
-    val normalIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_grass_long_%d")
-    val snowedIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_grass_snowed_%d")
-    val normalGenIcon = iconStatic(Client.genGrass.generatedResource("minecraft:blocks/tallgrass", "snowed" to false))
-    val snowedGenIcon = iconStatic(Client.genGrass.generatedResource("minecraft:blocks/tallgrass", "snowed" to true))
+    val normalIcons = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_grass_long_$idx") }
+    val snowedIcons = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_grass_snowed_$idx") }
+    val normalGenIcon by sprite { GeneratedGrass(sprite = "minecraft:blocks/tall_grass_top", isSnowed = false).register(BetterFoliage.asyncPack) }
+    val snowedGenIcon by sprite { GeneratedGrass(sprite = "minecraft:blocks/tall_grass_top", isSnowed = true).register(BetterFoliage.asyncPack) }
 
-    val grassModels = modelSet(64, grassTopQuads(Config.shortGrass.heightMin, Config.shortGrass.heightMax))
+    val grassModels = modelSet(64) { idx -> grassTopQuads(Config.shortGrass.heightMin, Config.shortGrass.heightMax)(idx) }
 
-    override fun afterPreStitch() {
-        Client.log(INFO, "Registered ${normalIcons.num} grass textures")
-        Client.log(INFO, "Registered ${snowedIcons.num} snowed grass textures")
-    }
-
-    override fun isEligible(ctx: BlockContext) =
+    override fun isEligible(ctx: CombinedContext) =
         Config.enabled &&
         (Config.shortGrass.grassEnabled || Config.connectedGrass.enabled) &&
         GrassRegistry[ctx] != null
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        // render the whole block on the cutout layer
-        if (!layer.isCutout) return false
+    override val onlyOnCutout get() = true
 
-        val isConnected = ctx.block(down1).let {
-            Config.blocks.dirt.matchesClass(it) ||
-            Config.blocks.grassClasses.matchesClass(it)
-        }
-        val isSnowed = ctx.blockState(up1).isSnow
+    override fun render(ctx: CombinedContext) {
+        val isConnected = BlockTags.DIRT_LIKE.contains(ctx.state(DOWN).block) || GrassRegistry[ctx, down1] != null
+        val isSnowed = ctx.state(UP).isSnow
         val connectedGrass = isConnected && Config.connectedGrass.enabled && (!isSnowed || Config.connectedGrass.snowEnabled)
 
-        val grass = GrassRegistry[ctx]
-        if (grass == null) {
-            // shouldn't happen
-            Client.logRenderError(ctx.blockState(Int3.zero), ctx.pos)
-            return renderWorldBlockBase(ctx, dispatcher, renderer, null)
-        }
+        val grass = GrassRegistry[ctx]!!
         val blockColor = OptifineCustomColors.getBlockColor(ctx)
 
         if (connectedGrass) {
-            // get full AO data
-            modelRenderer.updateShading(Int3.zero, allFaces)
-
             // check occlusion
-            val isHidden = forgeDirs.map { ctx.blockState(it.offset).isOpaqueCube }
+            val isVisible = allDirections.map { ctx.shouldSideBeRendered(it) }
 
             // render full grass block
-            ShadersModIntegration.renderAs(ctx.blockState(Int3.zero), MODEL, renderer) {
-                modelRenderer.render(
-                    renderer,
-                    fullCube,
-                    quadFilter = { qi, _ -> !isHidden[qi] },
-                    icon = { _, _, _ -> grass.grassTopTexture },
-                    postProcess = { ctx, _, _, _, _ ->
-                        rotateUV(2)
-                        if (isSnowed) {
-                            if (!ctx.aoEnabled) setGrey(1.4f)
-                        } else if (ctx.aoEnabled && grass.overrideColor == null) multiplyColor(blockColor)
-                    }
-                )
-            }
+            ctx.render(
+                fullCube,
+                quadFilter = { qi, _ -> isVisible[qi] },
+                icon = { _, _, _ -> grass.grassTopTexture },
+                postProcess = { ctx, _, _, _, _ ->
+                    rotateUV(2)
+                    if (isSnowed) {
+                        if (!ctx.aoEnabled) setGrey(1.4f)
+                    } else if (ctx.aoEnabled && grass.overrideColor == null) multiplyColor(blockColor)
+                }
+            )
         } else {
-            renderWorldBlockBase(ctx, dispatcher, renderer, null)
-
-            // get AO data only for block top
-            modelRenderer.updateShading(Int3.zero, topOnly)
+            ctx.render()
         }
 
-        if (!Config.shortGrass.grassEnabled) return true
-        if (isSnowed && !Config.shortGrass.snowEnabled) return true
-        if (ctx.blockState(up1).isOpaqueCube) return true
-        if (Config.shortGrass.population < 64 && noise[ctx.pos] >= Config.shortGrass.population) return true
+        if (!Config.shortGrass.grassEnabled) return
+        if (isSnowed && !Config.shortGrass.snowEnabled) return
+        if (ctx.offset(UP).isNormalCube) return
+        if (Config.shortGrass.population < 64 && noise[ctx.pos] >= Config.shortGrass.population) return
 
         // render grass quads
         val iconset = if (isSnowed) snowedIcons else normalIcons
         val iconGen = if (isSnowed) snowedGenIcon else normalGenIcon
         val rand = ctx.semiRandomArray(2)
 
-        ShadersModIntegration.grass(renderer, Config.shortGrass.shaderWind) {
-            modelRenderer.render(
-                renderer,
+        ShadersModIntegration.grass(ctx, Config.shortGrass.shaderWind) {
+            ctx.render(
                 grassModels[rand[0]],
-                Rotation.identity,
-                ctx.blockCenter + (if (isSnowed) snowOffset else Double3.zero),
-                icon = { _, qi, _ -> if (Config.shortGrass.useGenerated) iconGen.icon!! else iconset[rand[qi and 1]]!! },
+                translation = ctx.blockCenter + (if (isSnowed) snowOffset else Double3.zero),
+                icon = { _, qi, _ -> if (Config.shortGrass.useGenerated) iconGen else iconset[rand[qi and 1]] },
                 postProcess = { _, _, _, _, _ -> if (isSnowed) setGrey(1.0f) else multiplyColor(grass.overrideColor ?: blockColor) }
             )
         }
-
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderLeaves.kt

@@ -1,31 +1,27 @@
 package mods.betterfoliage.client.render
 
 import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.Client
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.integration.OptifineCustomColors
 import mods.betterfoliage.client.integration.ShadersModIntegration
+import mods.betterfoliage.client.resource.Identifier
 import mods.betterfoliage.client.texture.LeafRegistry
 import mods.octarinecore.PI2
-import mods.octarinecore.client.render.*
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.RenderDecorator
+import mods.octarinecore.client.render.lighting.FlatOffset
+import mods.octarinecore.client.render.lighting.cornerAoMaxGreen
+import mods.octarinecore.client.render.lighting.edgeOrientedAuto
 import mods.octarinecore.common.Double3
 import mods.octarinecore.common.Int3
-import mods.octarinecore.common.Rotation
+import mods.octarinecore.common.allDirections
 import mods.octarinecore.common.vec
 import mods.octarinecore.random
-import net.minecraft.block.material.Material
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing.DOWN
-import net.minecraft.util.EnumFacing.UP
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraft.util.Direction.UP
 import java.lang.Math.cos
 import java.lang.Math.sin
 
-@SideOnly(Side.CLIENT)
-class RenderLeaves : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderLeaves : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
     val leavesModel = model {
         verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = -0.5 * 1.41, yTop = 0.5 * 1.41)
@@ -34,7 +30,7 @@ class RenderLeaves : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
         .scale(Config.leaves.size)
         .toCross(UP).addAll()
     }
-    val snowedIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_leaves_snowed_%d")
+    val snowedIcon = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_leaves_snowed_$idx") }
 
     val perturbs = vectorSet(64) { idx ->
         val angle = PI2 * idx / 64.0
@@ -42,36 +38,28 @@ class RenderLeaves : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
             UP.vec * random(-1.0, 1.0) * Config.leaves.vOffset
     }
 
-    override fun isEligible(ctx: BlockContext) =
+    override fun isEligible(ctx: CombinedContext) =
         Config.enabled &&
         Config.leaves.enabled &&
         LeafRegistry[ctx] != null &&
-        !(Config.leaves.hideInternal && ctx.isSurroundedBy { it.isFullCube || it.material == Material.LEAVES } )
+        !(Config.leaves.hideInternal && allDirections.all { ctx.offset(it).isNormalCube } )
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        val isSnowed = ctx.blockState(up1).material.let {
-            it == Material.SNOW || it == Material.CRAFTED_SNOW
-        }
-        val leafInfo = LeafRegistry[ctx]
-        if (leafInfo == null) {
-            // shouldn't happen
-            Client.logRenderError(ctx.blockState(Int3.zero), ctx.pos)
-            return renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-        }
+    override val onlyOnCutout get() = true
+
+    override fun render(ctx: CombinedContext) {
+        val isSnowed = ctx.state(UP).isSnow
+        val leafInfo = LeafRegistry[ctx]!!
         val blockColor = OptifineCustomColors.getBlockColor(ctx)
 
-        renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-        if (!layer.isCutout) return true
+        ctx.render(force = true)
 
-        modelRenderer.updateShading(Int3.zero, allFaces)
-        ShadersModIntegration.leaves(renderer) {
+        ShadersModIntegration.leaves(ctx) {
             val rand = ctx.semiRandomArray(2)
             (if (Config.leaves.dense) denseLeavesRot else normalLeavesRot).forEach { rotation ->
-                modelRenderer.render(
-                    renderer,
+                ctx.render(
                     leavesModel.model,
                     rotation,
-                    ctx.blockCenter + perturbs[rand[0]],
+                    translation = ctx.blockCenter + perturbs[rand[0]],
                     icon = { _, _, _ -> leafInfo.roundLeafTexture },
                     postProcess = { _, _, _, _, _ ->
                         rotateUV(rand[1])
@@ -79,16 +67,12 @@ class RenderLeaves : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
                     }
                 )
             }
-            if (isSnowed && Config.leaves.snowEnabled) modelRenderer.render(
-                renderer,
+            if (isSnowed && Config.leaves.snowEnabled) ctx.render(
                 leavesModel.model,
-                Rotation.identity,
-                ctx.blockCenter + perturbs[rand[0]],
-                icon = { _, _, _ -> snowedIcon[rand[1]]!! },
+                translation = ctx.blockCenter + perturbs[rand[0]],
+                icon = { _, _, _ -> snowedIcon[rand[1]] },
                 postProcess = whitewash
             )
         }
-
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderLilypad.kt

@@ -1,23 +1,21 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.integration.ShadersModIntegration
-import mods.octarinecore.client.render.*
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.RenderDecorator
+import mods.octarinecore.client.render.lighting.FlatOffsetNoColor
 import mods.octarinecore.common.Int3
-import mods.octarinecore.common.Rotation
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing.DOWN
-import net.minecraft.util.EnumFacing.UP
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level
+import net.minecraft.util.Direction.DOWN
+import net.minecraft.util.Direction.UP
+import org.apache.logging.log4j.Level.DEBUG
 
-@SideOnly(Side.CLIENT)
-class RenderLilypad : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderLilypad : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
     val rootModel = model {
         verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = -1.5, yTop = -0.5)
@@ -30,50 +28,32 @@ class RenderLilypad : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
         .setFlatShader(FlatOffsetNoColor(Int3.zero))
         .toCross(UP).addAll()
     }
-    val rootIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_lilypad_roots_%d")
-    val flowerIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_lilypad_flower_%d")
+    val rootIcon = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_lilypad_roots_$idx") }
+    val flowerIcon = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_lilypad_flower_$idx") }
     val perturbs = vectorSet(64) { modelIdx -> xzDisk(modelIdx) * Config.lilypad.hOffset }
 
-    override fun afterPreStitch() {
-        Client.log(Level.INFO, "Registered ${rootIcon.num} lilypad root textures")
-        Client.log(Level.INFO, "Registered ${flowerIcon.num} lilypad flower textures")
-    }
-
-    override fun isEligible(ctx: BlockContext): Boolean =
+    override fun isEligible(ctx: CombinedContext): Boolean =
         Config.enabled && Config.lilypad.enabled &&
-        Config.blocks.lilypad.matchesClass(ctx.block)
+        BlockConfig.lilypad.matchesClass(ctx.state.block)
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        // render the whole block on the cutout layer
-        if (!layer.isCutout) return false
-
-        renderWorldBlockBase(ctx, dispatcher, renderer, null)
-        modelRenderer.updateShading(Int3.zero, allFaces)
+    override fun render(ctx: CombinedContext) {
+        ctx.render()
 
         val rand = ctx.semiRandomArray(5)
-
-        ShadersModIntegration.grass(renderer) {
-            modelRenderer.render(
-                renderer,
+        ShadersModIntegration.grass(ctx) {
+            ctx.render(
                 rootModel.model,
-                Rotation.identity,
-                ctx.blockCenter.add(perturbs[rand[2]]),
+                translation = ctx.blockCenter.add(perturbs[rand[2]]),
                 forceFlat = true,
-                icon = { ctx, qi, q -> rootIcon[rand[qi and 1]]!! },
-                postProcess = noPost
+                icon = { ctx, qi, q -> rootIcon[rand[qi and 1]] }
             )
         }
 
-        if (rand[3] < Config.lilypad.flowerChance) modelRenderer.render(
-            renderer,
+        if (rand[3] < Config.lilypad.flowerChance) ctx.render(
             flowerModel.model,
-            Rotation.identity,
-            ctx.blockCenter.add(perturbs[rand[4]]),
+            translation = ctx.blockCenter.add(perturbs[rand[4]]),
             forceFlat = true,
-            icon = { _, _, _ -> flowerIcon[rand[0]]!! },
-            postProcess = noPost
+            icon = { _, _, _ -> flowerIcon[rand[0]] }
         )
-
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderLog.kt

@@ -1,30 +1,33 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.chunk.ChunkOverlayManager
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.render.column.AbstractRenderColumn
 import mods.betterfoliage.client.render.column.ColumnRenderLayer
 import mods.betterfoliage.client.render.column.ColumnTextureInfo
 import mods.betterfoliage.client.render.column.SimpleColumnInfo
-import mods.octarinecore.client.render.BlockContext
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.client.render.CombinedContext
 import mods.octarinecore.client.resource.*
 import mods.octarinecore.common.config.ConfigurableBlockMatcher
 import mods.octarinecore.common.config.ModelTextureList
 import mods.octarinecore.tryDefault
-import net.minecraft.block.BlockLog
-import net.minecraft.block.state.IBlockState
-import net.minecraft.util.EnumFacing.Axis
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraft.block.BlockState
+import net.minecraft.block.LogBlock
+import net.minecraft.util.Direction.Axis
+import org.apache.logging.log4j.Level
+import java.util.concurrent.CompletableFuture
 
-class RenderLog : AbstractRenderColumn(BetterFoliageMod.MOD_ID) {
+class RenderLog : AbstractRenderColumn(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
-    override val addToCutout: Boolean get() = false
+    override val renderOnCutout: Boolean get() = false
 
-    override fun isEligible(ctx: BlockContext) =
+    override fun isEligible(ctx: CombinedContext) =
         Config.enabled && Config.roundLogs.enabled &&
-        Config.blocks.logClasses.matchesClass(ctx.block)
+        LogRegistry[ctx] != null
 
     override val overlayLayer = RoundLogOverlayLayer()
     override val connectPerpendicular: Boolean get() = Config.roundLogs.connectPerpendicular
@@ -37,26 +40,37 @@ class RenderLog : AbstractRenderColumn(BetterFoliageMod.MOD_ID) {
 
 class RoundLogOverlayLayer : ColumnRenderLayer() {
     override val registry: ModelRenderRegistry<ColumnTextureInfo> get() = LogRegistry
-    override val blockPredicate = { state: IBlockState -> Config.blocks.logClasses.matchesClass(state.block) }
-    override val surroundPredicate = { state: IBlockState -> state.isOpaqueCube && !Config.blocks.logClasses.matchesClass(state.block) }
+    override val blockPredicate = { state: BlockState -> BlockConfig.logBlocks.matchesClass(state.block) }
 
     override val connectSolids: Boolean get() = Config.roundLogs.connectSolids
     override val lenientConnect: Boolean get() = Config.roundLogs.lenientConnect
     override val defaultToY: Boolean get() = Config.roundLogs.defaultY
 }
 
-@SideOnly(Side.CLIENT)
 object LogRegistry : ModelRenderRegistryRoot<ColumnTextureInfo>()
 
-object StandardLogRegistry : ModelRenderRegistryConfigurable<ColumnTextureInfo>() {
-    override val logger = BetterFoliageMod.logDetail
-    override val matchClasses: ConfigurableBlockMatcher get() = Config.blocks.logClasses
-    override val modelTextures: List<ModelTextureList> get() = Config.blocks.logModels.list
-    override fun processModel(state: IBlockState, textures: List<String>) = SimpleColumnInfo.Key(logger, getAxis(state), textures)
+object AsyncLogDiscovery : ConfigurableModelDiscovery<ColumnTextureInfo>() {
+    override val logger = BetterFoliage.logDetail
+    override val matchClasses: ConfigurableBlockMatcher get() = BlockConfig.logBlocks
+    override val modelTextures: List<ModelTextureList> get() = BlockConfig.logModels.modelList
 
-    fun getAxis(state: IBlockState): Axis? {
-        val axis = tryDefault(null) { state.getValue(BlockLog.LOG_AXIS).toString() } ?:
-        state.properties.entries.find { it.key.getName().toLowerCase() == "axis" }?.value?.toString()
+    override fun processModel(state: BlockState, textures: List<String>, atlas: AtlasFuture): CompletableFuture<ColumnTextureInfo> {
+        val axis = getAxis(state)
+        logger.log(Level.DEBUG, "$logName:       axis $axis")
+        val spriteList = textures.map { atlas.sprite(Identifier(it)) }
+        return atlas.mapAfter {
+            SimpleColumnInfo(
+                axis,
+                spriteList[0].get(),
+                spriteList[1].get(),
+                spriteList.drop(2).map { it.get() }
+            )
+        }
+    }
+
+    fun getAxis(state: BlockState): Axis? {
+        val axis = tryDefault(null) { state.get(LogBlock.AXIS).toString() } ?:
+        state.values.entries.find { it.key.getName().toLowerCase() == "axis" }?.value?.toString()
         return when (axis) {
             "x" -> Axis.X
             "y" -> Axis.Y
@@ -64,4 +78,9 @@ object StandardLogRegistry : ModelRenderRegistryConfigurable<ColumnTextureInfo>(
             else -> null
         }
     }
+
+    fun init() {
+        LogRegistry.registries.add(this)
+        BetterFoliage.blockSprites.providers.add(this)
+    }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderMycelium.kt

@@ -1,57 +1,42 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
-import mods.octarinecore.client.render.AbstractBlockRenderingHandler
-import mods.octarinecore.client.render.BlockContext
-import mods.octarinecore.client.render.modelRenderer
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.RenderDecorator
 import mods.octarinecore.client.render.noPost
 import mods.octarinecore.common.Double3
-import mods.octarinecore.common.Rotation
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level.INFO
+import net.minecraft.util.Direction.UP
+import org.apache.logging.log4j.Level.DEBUG
 
-@SideOnly(Side.CLIENT)
-class RenderMycelium : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderMycelium : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
-    val myceliumIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_mycel_%d")
-    val myceliumModel = modelSet(64, RenderGrass.grassTopQuads(Config.shortGrass.heightMin, Config.shortGrass.heightMax))
+    val myceliumIcon = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_mycel_$idx") }
+    val myceliumModel = modelSet(64) { idx -> RenderGrass.grassTopQuads(Config.shortGrass.heightMin, Config.shortGrass.heightMax)(idx) }
 
-    override fun afterPreStitch() {
-        Client.log(INFO, "Registered ${myceliumIcon.num} mycelium textures")
-    }
-
-    override fun isEligible(ctx: BlockContext): Boolean {
+    override fun isEligible(ctx: CombinedContext): Boolean {
         if (!Config.enabled || !Config.shortGrass.myceliumEnabled) return false
-        return Config.blocks.mycelium.matchesClass(ctx.block)
+        return BlockConfig.mycelium.matchesClass(ctx.state.block)
     }
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        // render the whole block on the cutout layer
-        if (!layer.isCutout) return false
-
-        val isSnowed = ctx.blockState(up1).isSnow
-
-        renderWorldBlockBase(ctx, dispatcher, renderer, null)
-
-        if (isSnowed && !Config.shortGrass.snowEnabled) return true
-        if (ctx.blockState(up1).isOpaqueCube) return true
+    override fun render(ctx: CombinedContext) {
+        ctx.render()
+        if (!ctx.isCutout) return
 
+        val isSnowed = ctx.state(UP).isSnow
+        if (isSnowed && !Config.shortGrass.snowEnabled) return
+        if (ctx.offset(UP).isNormalCube) return
         val rand = ctx.semiRandomArray(2)
-        modelRenderer.render(
-            renderer,
+
+        ctx.render(
             myceliumModel[rand[0]],
-            Rotation.identity,
-            ctx.blockCenter + (if (isSnowed) snowOffset else Double3.zero),
-            icon = { _, qi, _ -> myceliumIcon[rand[qi and 1]]!! },
+            translation = ctx.blockCenter + (if (isSnowed) snowOffset else Double3.zero),
+            icon = { _, qi, _ -> myceliumIcon[rand[qi and 1]] },
             postProcess = if (isSnowed) whitewash else noPost
         )
-
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderNetherrack.kt

@@ -1,24 +1,22 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.client.resource.Identifier
 import mods.octarinecore.client.render.*
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.Rotation
+import mods.octarinecore.client.render.lighting.*
 import mods.octarinecore.random
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing.*
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level.INFO
+import net.minecraft.block.Blocks
+import net.minecraft.util.Direction.Axis
+import net.minecraft.util.Direction.*
+import org.apache.logging.log4j.Level.DEBUG
 
-@SideOnly(Side.CLIENT)
-class RenderNetherrack : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderNetherrack : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
-    val netherrackIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "blocks/better_netherrack_%d")
+    val netherrackIcon = spriteSet { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_netherrack_$idx") }
     val netherrackModel = modelSet(64) { modelIdx ->
         verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yTop = -0.5,
         yBottom = -0.5 - random(Config.netherrack.heightMin, Config.netherrack.heightMax))
@@ -28,32 +26,18 @@ class RenderNetherrack : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID)
 
     }
 
-    override fun afterPreStitch() {
-        Client.log(INFO, "Registered ${netherrackIcon.num} netherrack textures")
-    }
+    override fun isEligible(ctx: CombinedContext) =
+        Config.enabled && Config.netherrack.enabled && ctx.state.block == Blocks.NETHERRACK
 
-    override fun isEligible(ctx: BlockContext): Boolean {
-        if (!Config.enabled || !Config.netherrack.enabled) return false
-        return Config.blocks.netherrack.matchesClass(ctx.block)
-    }
-
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        val baseRender = renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-        if (!layer.isCutout) return baseRender
-
-        if (ctx.blockState(down1).isOpaqueCube) return baseRender
-
-        modelRenderer.updateShading(Int3.zero, allFaces)
+    override fun render(ctx: CombinedContext) {
+        ctx.render()
+        if (!ctx.isCutout) return
+        if (ctx.offset(DOWN).isNormalCube) return
 
         val rand = ctx.semiRandomArray(2)
-        modelRenderer.render(
-            renderer,
+        ctx.render(
             netherrackModel[rand[0]],
-            Rotation.identity,
-            icon = { _, qi, _ -> netherrackIcon[rand[qi and 1]]!! },
-            postProcess = noPost
+            icon = { _, qi, _ -> netherrackIcon[rand[qi and 1]] }
         )
-
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/RenderReeds.kt

@@ -1,27 +1,28 @@
 package mods.betterfoliage.client.render
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
 import mods.betterfoliage.client.Client
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.integration.ShadersModIntegration
-import mods.octarinecore.client.render.*
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.Rotation
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.RenderDecorator
+import mods.octarinecore.client.render.lighting.FlatOffsetNoColor
+import mods.octarinecore.client.resource.CenteredSprite
 import mods.octarinecore.random
 import net.minecraft.block.material.Material
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing.UP
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level
+import net.minecraft.tags.BlockTags
+import net.minecraft.util.Direction.UP
+import org.apache.logging.log4j.Level.DEBUG
 
-@SideOnly(Side.CLIENT)
-class RenderReeds : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+class RenderReeds : RenderDecorator(BetterFoliageMod.MOD_ID, BetterFoliageMod.bus) {
 
     val noise = simplexNoise()
-    val reedIcons = iconSet(Client.genReeds.generatedResource("${BetterFoliageMod.LEGACY_DOMAIN}:blocks/better_reed_%d"))
+    val reedIcons = spriteSetTransformed(
+        check = { idx -> Identifier(BetterFoliageMod.MOD_ID, "blocks/better_reed_$idx")},
+        register = { CenteredSprite(it).register(BetterFoliage.asyncPack) }
+    )
     val reedModels = modelSet(64) { modelIdx ->
         val height = random(Config.reed.heightMin, Config.reed.heightMax)
         val waterline = 0.875f
@@ -40,35 +41,27 @@ class RenderReeds : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
         }
     }
 
-    override fun afterPreStitch() {
-        Client.log(Level.INFO, "Registered ${reedIcons.num} reed textures")
-    }
-
-    override fun isEligible(ctx: BlockContext) =
+    override fun isEligible(ctx: CombinedContext) =
         Config.enabled && Config.reed.enabled &&
-        ctx.blockState(up2).material == Material.AIR &&
-        ctx.blockState(up1).material == Material.WATER &&
-        Config.blocks.dirt.matchesClass(ctx.block) &&
-        ctx.biomeId in Config.reed.biomes &&
+        ctx.state(up2).material == Material.AIR &&
+        ctx.state(UP).material == Material.WATER &&
+        BlockTags.DIRT_LIKE.contains(ctx.state.block) &&
+        ctx.biome.let { it.downfall > Config.reed.minBiomeRainfall && it.defaultTemperature >= Config.reed.minBiomeTemp } &&
         noise[ctx.pos] < Config.reed.population
 
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
-        val baseRender = renderWorldBlockBase(ctx, dispatcher, renderer, layer)
-        if (!layer.isCutout) return baseRender
+    override val onlyOnCutout get() = false
 
-        modelRenderer.updateShading(Int3.zero, allFaces)
+    override fun render(ctx: CombinedContext) {
+        ctx.render()
+        if (!ctx.isCutout) return
 
-        val iconVar = ctx.random(1)
-        ShadersModIntegration.grass(renderer, Config.reed.shaderWind) {
-            modelRenderer.render(
-                renderer,
-                reedModels[ctx.random(0)],
-                Rotation.identity,
+        val iconVar = ctx.semiRandom(1)
+        ShadersModIntegration.grass(ctx, Config.reed.shaderWind) {
+            ctx.render(
+                reedModels[ctx.semiRandom(0)],
                 forceFlat = true,
-                icon = { _, _, _ -> reedIcons[iconVar]!! },
-                postProcess = noPost
+                icon = { _, _, _ -> reedIcons[iconVar] }
             )
         }
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/Utils.kt

@@ -2,17 +2,20 @@
 package mods.betterfoliage.client.render
 
 import mods.octarinecore.PI2
-import mods.octarinecore.client.render.*
+import mods.octarinecore.client.render.Model
+import mods.octarinecore.client.render.lighting.PostProcessLambda
+import mods.octarinecore.client.render.Quad
 import mods.octarinecore.common.Double3
 import mods.octarinecore.common.Int3
 import mods.octarinecore.common.Rotation
 import mods.octarinecore.common.times
-import net.minecraft.block.Block
+import net.minecraft.block.BlockState
 import net.minecraft.block.material.Material
-import net.minecraft.block.state.IBlockState
 import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumFacing
-import net.minecraft.util.EnumFacing.*
+import net.minecraft.util.Direction
+import net.minecraft.util.Direction.*
+import kotlin.math.cos
+import kotlin.math.sin
 
 val up1 = Int3(1 to UP)
 val up2 = Int3(2 to UP)
@@ -25,15 +28,15 @@ val denseLeavesRot = arrayOf(Rotation.identity, Rotation.rot90[EAST.ordinal], Ro
 val whitewash: PostProcessLambda = { _, _, _, _, _ -> setGrey(1.4f) }
 val greywash: PostProcessLambda = { _, _, _, _, _ -> setGrey(1.0f) }
 
-val IBlockState.isSnow: Boolean get() = material.let { it == Material.SNOW || it == Material.CRAFTED_SNOW }
+val BlockState.isSnow: Boolean get() = material.let { it == Material.SNOW }
 
-fun Quad.toCross(rotAxis: EnumFacing, trans: (Quad)->Quad) =
+fun Quad.toCross(rotAxis: Direction, trans: (Quad)->Quad) =
     (0..3).map { rotIdx ->
         trans(rotate(Rotation.rot90[rotAxis.ordinal] * rotIdx).mirrorUV(rotIdx > 1, false))
     }
-fun Quad.toCross(rotAxis: EnumFacing) = toCross(rotAxis) { it }
+fun Quad.toCross(rotAxis: Direction) = toCross(rotAxis) { it }
 
-fun xzDisk(modelIdx: Int) = (PI2 * modelIdx / 64.0).let { Double3(Math.cos(it), 0.0, Math.sin(it)) }
+fun xzDisk(modelIdx: Int) = (PI2 * modelIdx / 64.0).let { Double3(cos(it), 0.0, sin(it)) }
 
 val rotationFromUp = arrayOf(
     Rotation.rot90[EAST.ordinal] * 2,
@@ -58,5 +61,5 @@ fun Model.mix(first: Model, second: Model, predicate: (Int)->Boolean) {
 
 val BlockRenderLayer.isCutout: Boolean get() = (this == BlockRenderLayer.CUTOUT) || (this == BlockRenderLayer.CUTOUT_MIPPED)
 
-fun IBlockState.canRenderInLayer(layer: BlockRenderLayer) = this.block.canRenderInLayer(this, layer)
-fun IBlockState.canRenderInCutout() = this.block.canRenderInLayer(this, BlockRenderLayer.CUTOUT) || this.block.canRenderInLayer(this, BlockRenderLayer.CUTOUT_MIPPED)
+fun BlockState.canRenderInLayer(layer: BlockRenderLayer) = this.block.canRenderInLayer(this, layer)
+fun BlockState.canRenderInCutout() = this.block.canRenderInLayer(this, BlockRenderLayer.CUTOUT) || this.block.canRenderInLayer(this, BlockRenderLayer.CUTOUT_MIPPED)

src/main/kotlin/mods/betterfoliage/client/render/column/AbstractRenderer.kt

@@ -1,33 +1,26 @@
 package mods.betterfoliage.client.render.column
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.client.Client
-import mods.betterfoliage.client.chunk.ChunkOverlayLayer
 import mods.betterfoliage.client.chunk.ChunkOverlayManager
-import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.integration.ShadersModIntegration.renderAs
 import mods.betterfoliage.client.render.*
 import mods.betterfoliage.client.render.column.ColumnLayerData.SpecialRender.BlockType.*
 import mods.betterfoliage.client.render.column.ColumnLayerData.SpecialRender.QuadrantType
 import mods.betterfoliage.client.render.column.ColumnLayerData.SpecialRender.QuadrantType.*
-import mods.octarinecore.client.render.*
-import mods.octarinecore.client.resource.ModelRenderRegistry
-import mods.octarinecore.common.*
-import net.minecraft.block.state.IBlockState
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.EnumBlockRenderType
-import net.minecraft.util.EnumBlockRenderType.MODEL
-import net.minecraft.util.EnumFacing.*
-import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.Model
+import mods.octarinecore.client.render.RenderDecorator
+import mods.octarinecore.client.render.noPost
+import mods.octarinecore.common.Rotation
+import mods.octarinecore.common.face
+import mods.octarinecore.common.rot
+import net.minecraft.block.BlockRenderType.MODEL
+import net.minecraft.util.Direction.*
+import net.minecraftforge.eventbus.api.IEventBus
 
-@SideOnly(Side.CLIENT)
 @Suppress("NOTHING_TO_INLINE")
-abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandler(modId) {
+abstract class AbstractRenderColumn(modId: String, modBus: IEventBus) : RenderDecorator(modId, modBus) {
 
     /** The rotations necessary to bring the models in position for the 4 quadrants */
     val quadrantRotations = Array(4) { Rotation.rot90[UP.ordinal] * it }
@@ -98,28 +91,25 @@ abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandl
         q1 == q2 || ((q1 == SQUARE || q1 == INVISIBLE) && (q2 == SQUARE || q2 == INVISIBLE))
 
     @Suppress("NON_EXHAUSTIVE_WHEN")
-    override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
+    override fun render(ctx: CombinedContext) {
 
-        val roundLog = ChunkOverlayManager.get(overlayLayer, ctx.world!!, ctx.pos)
+        val roundLog = ChunkOverlayManager.get(overlayLayer, ctx)
         when(roundLog) {
-            ColumnLayerData.SkipRender -> return true
-            ColumnLayerData.NormalRender -> return renderWorldBlockBase(ctx, dispatcher, renderer, null)
+            ColumnLayerData.SkipRender -> return
+            ColumnLayerData.NormalRender -> return ctx.render()
             ColumnLayerData.ResolveError, null -> {
-                Client.logRenderError(ctx.blockState(Int3.zero), ctx.pos)
-                return renderWorldBlockBase(ctx, dispatcher, renderer, null)
+                BetterFoliage.logRenderError(ctx.state, ctx.pos)
+                return ctx.render()
             }
         }
 
         // if log axis is not defined and "Default to vertical" config option is not set, render normally
         if ((roundLog as ColumnLayerData.SpecialRender).column.axis == null && !overlayLayer.defaultToY) {
-            return renderWorldBlockBase(ctx, dispatcher, renderer, null)
+            return ctx.render()
         }
 
-        // get AO data
-        modelRenderer.updateShading(Int3.zero, allFaces)
-
         val baseRotation = rotationFromUp[((roundLog.column.axis ?: Axis.Y) to AxisDirection.POSITIVE).face.ordinal]
-        renderAs(ctx.blockState(Int3.zero), MODEL, renderer) {
+        renderAs(ctx, MODEL) {
             quadrantRotations.forEachIndexed { idx, quadrantRotation ->
                 // set rotation for the current quadrant
                 val rotation = baseRotation + quadrantRotation
@@ -141,8 +131,7 @@ abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandl
                     else -> null
                 }
 
-                if (sideModel != null) modelRenderer.render(
-                    renderer,
+                if (sideModel != null) ctx.render(
                     sideModel,
                     rotation,
                     icon = roundLog.column.side,
@@ -195,8 +184,7 @@ abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandl
                     }
                 }
 
-                if (upModel != null) modelRenderer.render(
-                    renderer,
+                if (upModel != null) ctx.render(
                     upModel,
                     rotation,
                     icon = upIcon,
@@ -206,8 +194,7 @@ abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandl
                         }
                     }
                 )
-                if (downModel != null) modelRenderer.render(
-                    renderer,
+                if (downModel != null) ctx.render(
                     downModel,
                     rotation,
                     icon = downIcon,
@@ -219,6 +206,5 @@ abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandl
                 )
             }
         }
-        return true
     }
 }

src/main/kotlin/mods/betterfoliage/client/render/column/OverlayLayer.kt

@@ -2,23 +2,20 @@ package mods.betterfoliage.client.render.column
 
 import mods.betterfoliage.client.chunk.ChunkOverlayLayer
 import mods.betterfoliage.client.chunk.ChunkOverlayManager
+import mods.betterfoliage.client.chunk.dimType
 import mods.betterfoliage.client.config.Config
 import mods.betterfoliage.client.render.column.ColumnLayerData.SpecialRender.BlockType.*
 import mods.betterfoliage.client.render.column.ColumnLayerData.SpecialRender.QuadrantType
 import mods.betterfoliage.client.render.column.ColumnLayerData.SpecialRender.QuadrantType.*
 import mods.betterfoliage.client.render.rotationFromUp
-import mods.octarinecore.client.render.BlockContext
+import mods.octarinecore.client.render.BlockCtx
 import mods.octarinecore.client.resource.ModelRenderRegistry
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.Rotation
-import mods.octarinecore.common.face
-import mods.octarinecore.common.plus
-import net.minecraft.block.state.IBlockState
-import net.minecraft.util.EnumFacing
+import mods.octarinecore.common.*
+import net.minecraft.block.BlockState
+import net.minecraft.util.Direction.Axis
+import net.minecraft.util.Direction.AxisDirection
 import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
+import net.minecraft.world.IEnviromentBlockReader
 
 /** Index of SOUTH-EAST quadrant. */
 const val SE = 0
@@ -32,13 +29,11 @@ const val SW = 3
 /**
  * Sealed class hierarchy for all possible render outcomes
  */
-@SideOnly(Side.CLIENT)
 sealed class ColumnLayerData {
     /**
      * Data structure to cache texture and world neighborhood data relevant to column rendering
      */
     @Suppress("ArrayInDataClass") // not used in comparisons anywhere
-    @SideOnly(Side.CLIENT)
     data class SpecialRender(
         val column: ColumnTextureInfo,
         val upType: BlockType,
@@ -52,15 +47,12 @@ sealed class ColumnLayerData {
     }
 
     /** Column block should not be rendered at all */
-    @SideOnly(Side.CLIENT)
     object SkipRender : ColumnLayerData()
 
     /** Column block must be rendered normally */
-    @SideOnly(Side.CLIENT)
     object NormalRender : ColumnLayerData()
 
     /** Error while resolving render data, column block must be rendered normally */
-    @SideOnly(Side.CLIENT)
     object ResolveError : ColumnLayerData()
 }
 
@@ -68,29 +60,26 @@ sealed class ColumnLayerData {
 abstract class ColumnRenderLayer : ChunkOverlayLayer<ColumnLayerData> {
 
     abstract val registry: ModelRenderRegistry<ColumnTextureInfo>
-    abstract val blockPredicate: (IBlockState)->Boolean
-    abstract val surroundPredicate: (IBlockState) -> Boolean
+    abstract val blockPredicate: (BlockState)->Boolean
     abstract val connectSolids: Boolean
     abstract val lenientConnect: Boolean
     abstract val defaultToY: Boolean
 
     val allNeighborOffsets = (-1..1).flatMap { offsetX -> (-1..1).flatMap { offsetY -> (-1..1).map { offsetZ -> Int3(offsetX, offsetY, offsetZ) }}}
 
-    override fun onBlockUpdate(world: IBlockAccess, pos: BlockPos) {
-        allNeighborOffsets.forEach { offset -> ChunkOverlayManager.clear(this, pos + offset) }
+    override fun onBlockUpdate(world: IEnviromentBlockReader, pos: BlockPos) {
+        allNeighborOffsets.forEach { offset -> ChunkOverlayManager.clear(world.dimType, this, pos + offset) }
     }
 
-    override fun calculate(world: IBlockAccess, pos: BlockPos) = calculate(BlockContext(world, pos))
-
-    fun calculate(ctx: BlockContext): ColumnLayerData {
-        if (ctx.isSurroundedBy(surroundPredicate)) return ColumnLayerData.SkipRender
+    override fun calculate(ctx: BlockCtx): ColumnLayerData {
+        if (allDirections.all { ctx.offset(it).isNormalCube }) return ColumnLayerData.SkipRender
         val columnTextures = registry[ctx] ?: return ColumnLayerData.ResolveError
 
         // if log axis is not defined and "Default to vertical" config option is not set, render normally
-        val logAxis = columnTextures.axis ?: if (defaultToY) EnumFacing.Axis.Y else return ColumnLayerData.NormalRender
+        val logAxis = columnTextures.axis ?: if (defaultToY) Axis.Y else return ColumnLayerData.NormalRender
 
         // check log neighborhood
-        val baseRotation = rotationFromUp[(logAxis to EnumFacing.AxisDirection.POSITIVE).face.ordinal]
+        val baseRotation = rotationFromUp[(logAxis to AxisDirection.POSITIVE).face.ordinal]
 
         val upType = ctx.blockType(baseRotation, logAxis, Int3(0, 1, 0))
         val downType = ctx.blockType(baseRotation, logAxis, Int3(0, -1, 0))
@@ -109,7 +98,7 @@ abstract class ColumnRenderLayer : ChunkOverlayLayer<ColumnLayerData> {
     }
 
     /** Fill the array of [QuadrantType]s based on the blocks to the sides of this one. */
-    fun Array<QuadrantType>.checkNeighbors(ctx: BlockContext, rotation: Rotation, logAxis: EnumFacing.Axis, yOff: Int): Array<QuadrantType> {
+    fun Array<QuadrantType>.checkNeighbors(ctx: BlockCtx, rotation: Rotation, logAxis: Axis, yOff: Int): Array<QuadrantType> {
         val blkS = ctx.blockType(rotation, logAxis, Int3(0, yOff, 1))
         val blkE = ctx.blockType(rotation, logAxis, Int3(1, yOff, 0))
         val blkN = ctx.blockType(rotation, logAxis, Int3(0, yOff, -1))
@@ -176,13 +165,13 @@ abstract class ColumnRenderLayer : ChunkOverlayLayer<ColumnLayerData> {
     /**
      * Get the type of the block at the given offset in a rotated reference frame.
      */
-    fun BlockContext.blockType(rotation: Rotation, axis: EnumFacing.Axis, offset: Int3): ColumnLayerData.SpecialRender.BlockType {
+    fun BlockCtx.blockType(rotation: Rotation, axis: Axis, offset: Int3): ColumnLayerData.SpecialRender.BlockType {
         val offsetRot = offset.rotate(rotation)
-        val state = blockState(offsetRot)
+        val state = state(offsetRot)
         return if (!blockPredicate(state)) {
-            if (state.isOpaqueCube) SOLID else NONSOLID
+            if (offset(offsetRot).isNormalCube) SOLID else NONSOLID
         } else {
-            (registry[state, world!!, pos + offsetRot]?.axis ?: if (Config.roundLogs.defaultY) EnumFacing.Axis.Y else null)?.let {
+            (registry[state, world, pos + offsetRot]?.axis ?: if (Config.roundLogs.defaultY) Axis.Y else null)?.let {
                 if (it == axis) PARALLEL else PERPENDICULAR
             } ?: SOLID
         }

src/main/kotlin/mods/betterfoliage/client/render/column/RenderData.kt

@@ -1,28 +1,19 @@
 package mods.betterfoliage.client.render.column
 
-import mods.octarinecore.client.render.QuadIconResolver
-import mods.octarinecore.client.render.blockContext
-import mods.octarinecore.client.resource.ModelRenderKey
-import mods.octarinecore.client.resource.get
+import mods.octarinecore.client.render.lighting.QuadIconResolver
 import mods.octarinecore.common.rotate
 import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.client.renderer.texture.TextureMap
-import net.minecraft.util.EnumFacing
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Logger
+import net.minecraft.util.Direction.*
 
-@SideOnly(Side.CLIENT)
 interface ColumnTextureInfo {
-    val axis: EnumFacing.Axis?
+    val axis: Axis?
     val top: QuadIconResolver
     val bottom: QuadIconResolver
     val side: QuadIconResolver
 }
 
-@SideOnly(Side.CLIENT)
 open class SimpleColumnInfo(
-    override val axis: EnumFacing.Axis?,
+    override val axis: Axis?,
     val topTexture: TextureAtlasSprite,
     val bottomTexture: TextureAtlasSprite,
     val sideTextures: List<TextureAtlasSprite>
@@ -34,17 +25,8 @@ open class SimpleColumnInfo(
     override val top: QuadIconResolver = { _, _, _ -> topTexture }
     override val bottom: QuadIconResolver = { _, _, _ -> bottomTexture }
     override val side: QuadIconResolver = { ctx, idx, _ ->
-        val worldFace = (if ((idx and 1) == 0) EnumFacing.SOUTH else EnumFacing.EAST).rotate(ctx.rotation)
-        val sideIdx = if (sideTextures.size > 1) (blockContext.random(1) + dirToIdx[worldFace.ordinal]) % sideTextures.size else 0
+        val worldFace = (if ((idx and 1) == 0) SOUTH else EAST).rotate(ctx.modelRotation)
+        val sideIdx = if (sideTextures.size > 1) (ctx.semiRandom(1) + dirToIdx[worldFace.ordinal]) % sideTextures.size else 0
         sideTextures[sideIdx]
     }
-
-    class Key(override val logger: Logger, val axis: EnumFacing.Axis?, val textures: List<String>) : ModelRenderKey<ColumnTextureInfo> {
-        override fun resolveSprites(atlas: TextureMap) = SimpleColumnInfo(
-            axis,
-            atlas[textures[0]] ?: atlas.missingSprite,
-            atlas[textures[1]] ?: atlas.missingSprite,
-            textures.drop(2).map { atlas[it] ?: atlas.missingSprite }
-        )
-    }
 }

src/main/kotlin/mods/betterfoliage/client/resource/Aliases.kt

@@ -0,0 +1,10 @@
+package mods.betterfoliage.client.resource
+
+import net.minecraft.client.renderer.model.ModelResourceLocation
+import net.minecraft.client.renderer.texture.TextureAtlasSprite
+import net.minecraft.util.ResourceLocation
+
+typealias Identifier = ResourceLocation
+typealias ModelIdentifier = ModelResourceLocation
+
+typealias Sprite = TextureAtlasSprite

src/main/kotlin/mods/betterfoliage/client/texture/GeneratedGrass.kt

@@ -1,7 +1,8 @@
 package mods.betterfoliage.client.texture
 
+import mods.betterfoliage.client.resource.Identifier
 import mods.octarinecore.client.resource.*
-import net.minecraft.util.ResourceLocation
+import net.minecraft.resources.IResourceManager
 import java.awt.image.BufferedImage
 
 /**
@@ -10,13 +11,13 @@ import java.awt.image.BufferedImage
  *
  * @param[domain] Resource domain of generator
  */
-class GrassGenerator(domain: String) : TextureGenerator(domain) {
+data class GeneratedGrass(val sprite: Identifier, val isSnowed: Boolean, val atlas: Atlas = Atlas.BLOCKS) {
+    constructor(sprite: String, isSnowed: Boolean) : this(Identifier(sprite), isSnowed)
 
-    override fun generate(params: ParameterList): BufferedImage? {
-        val target = targetResource(params)!!
-        val isSnowed = params["snowed"]?.toBoolean() ?: false
+    fun register(pack: GeneratedBlockTexturePack) = pack.register(this, this::draw)
 
-        val baseTexture = resourceManager[target.second]?.loadImage() ?: return null
+    fun draw(resourceManager: IResourceManager): ByteArray {
+        val baseTexture = resourceManager.loadSprite(atlas.wrap(sprite))
 
         val result = BufferedImage(baseTexture.width, baseTexture.height, BufferedImage.TYPE_4BYTE_ABGR)
         val graphics = result.createGraphics()
@@ -25,7 +26,7 @@ class GrassGenerator(domain: String) : TextureGenerator(domain) {
         val frames = baseTexture.height / size
 
         // iterate all frames
-        for (frame in 0 .. frames - 1) {
+        for (frame in 0 until frames) {
             val baseFrame = baseTexture.getSubimage(0, size * frame, size, size)
             val grassFrame = BufferedImage(size, size, BufferedImage.TYPE_4BYTE_ABGR)
 
@@ -39,12 +40,11 @@ class GrassGenerator(domain: String) : TextureGenerator(domain) {
         }
 
         // blend with white if snowed
-        if (isSnowed && target.first == ResourceType.COLOR) {
+        if (isSnowed) {
             for (x in 0..result.width - 1) for (y in 0..result.height - 1) {
                 result[x, y] = blendRGB(result[x, y], 16777215, 2, 3)
             }
         }
-
-        return result
+        return result.bytes
     }
-}
+}

src/main/kotlin/mods/betterfoliage/client/texture/GeneratedLeaf.kt

@@ -2,7 +2,8 @@ package mods.betterfoliage.client.texture
 
 import mods.betterfoliage.BetterFoliageMod
 import mods.octarinecore.client.resource.*
-import mods.octarinecore.stripStart
+import net.minecraft.resources.IResource
+import net.minecraft.resources.IResourceManager
 import net.minecraft.util.ResourceLocation
 import java.awt.image.BufferedImage
 
@@ -10,22 +11,17 @@ import java.awt.image.BufferedImage
  * Generate round leaf textures from leaf block textures.
  * The base texture is tiled 2x2, then parts of it are made transparent by applying a mask to the alpha channel.
  *
- * Generator parameter _type_: Leaf type (configurable by user). Different leaf types may have their own alpha mask.
+ * Different leaf types may have their own alpha mask.
  *
  * @param[domain] Resource domain of generator
  */
-class LeafGenerator(domain: String) : TextureGenerator(domain) {
+data class GeneratedLeaf(val sprite: ResourceLocation, val leafType: String, val atlas: Atlas = Atlas.BLOCKS) {
 
-    override fun generate(params: ParameterList): BufferedImage? {
-        val target = targetResource(params)!!
-        val leafType = params["type"] ?: "default"
+    fun register(pack: GeneratedBlockTexturePack) = pack.register(this, this::draw)
 
-        val handDrawnLoc = target.second.stripStart("textures/").stripStart("blocks/").let {
-            ResourceLocation(BetterFoliageMod.DOMAIN, "${it.namespace}/textures/blocks/${it.path}")
-        }
-        resourceManager[handDrawnLoc]?.loadImage()?.let { return it }
+    fun draw(resourceManager: IResourceManager): ByteArray {
+        val baseTexture = resourceManager.loadSprite(atlas.wrap(sprite))
 
-        val baseTexture = resourceManager[target.second]?.loadImage() ?: return null
         val size = baseTexture.width
         val frames = baseTexture.height / size
 
@@ -36,7 +32,7 @@ class LeafGenerator(domain: String) : TextureGenerator(domain) {
         val graphics = leafTexture.createGraphics()
 
         // iterate all frames
-        for (frame in 0 .. frames - 1) {
+        for (frame in 0 until frames) {
             val baseFrame = baseTexture.getSubimage(0, size * frame, size, size)
             val leafFrame = BufferedImage(size * 2, size * 2, BufferedImage.TYPE_4BYTE_ABGR)
 
@@ -49,8 +45,8 @@ class LeafGenerator(domain: String) : TextureGenerator(domain) {
             }
 
             // overlay alpha mask
-            if (target.first == ResourceType.COLOR && maskTexture != null) {
-                for (x in 0 .. size * 2 - 1) for (y in 0 .. size * 2 - 1) {
+            if (maskTexture != null) {
+                for (x in 0 until size * 2) for (y in 0 until size * 2) {
                     val basePixel = leafFrame[x, y].toLong() and 0xFFFFFFFFL
                     val maskPixel = maskTexture[scale(x), scale(y)].toLong() and 0xFF000000L or 0xFFFFFFL
                     leafFrame[x, y] = (basePixel and maskPixel).toInt()
@@ -61,7 +57,7 @@ class LeafGenerator(domain: String) : TextureGenerator(domain) {
             graphics.drawImage(leafFrame, 0, size * frame * 2, null)
         }
 
-        return leafTexture
+        return leafTexture.bytes
     }
 
     /**
@@ -71,7 +67,20 @@ class LeafGenerator(domain: String) : TextureGenerator(domain) {
      * @param[maxSize] Preferred mask size.
      */
     fun getLeafMask(type: String, maxSize: Int) = getMultisizeTexture(maxSize) { size ->
-        ResourceLocation(BetterFoliageMod.DOMAIN, "textures/blocks/leafmask_${size}_${type}.png")
+        ResourceLocation(BetterFoliageMod.MOD_ID, "textures/blocks/leafmask_${size}_${type}.png")
     }
 
+    /**
+     * Get a texture resource when multiple sizes may exist.
+     *
+     * @param[maxSize] Maximum size to consider. This value is progressively halved when searching for smaller versions.
+     * @param[maskPath] Location of the texture of the given size
+     *
+     */
+    fun getMultisizeTexture(maxSize: Int, maskPath: (Int)->ResourceLocation): IResource? {
+        var size = maxSize
+        val sizes = mutableListOf<Int>()
+        while(size > 2) { sizes.add(size); size /= 2 }
+        return sizes.map { resourceManager[maskPath(it)] }.filterNotNull().firstOrNull()
+    }
 }

src/main/kotlin/mods/betterfoliage/client/texture/GrassRegistry.kt

@@ -1,28 +1,18 @@
 package mods.betterfoliage.client.texture
 
-import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.Client
+import mods.betterfoliage.BetterFoliage
+import mods.betterfoliage.client.config.BlockConfig
 import mods.betterfoliage.client.config.Config
-import mods.octarinecore.client.render.BlockContext
-import mods.octarinecore.client.render.HSB
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.client.render.lighting.HSB
 import mods.octarinecore.client.resource.*
-import mods.octarinecore.common.Int3
 import mods.octarinecore.common.config.ConfigurableBlockMatcher
-import mods.octarinecore.common.config.IBlockMatcher
 import mods.octarinecore.common.config.ModelTextureList
-import mods.octarinecore.findFirst
-import net.minecraft.block.state.IBlockState
+import net.minecraft.block.BlockState
 import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.client.renderer.texture.TextureMap
-import net.minecraft.util.EnumFacing
-import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-import net.minecraftforge.common.MinecraftForge
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
 import org.apache.logging.log4j.Level
-import org.apache.logging.log4j.Logger
 import java.lang.Math.min
+import java.util.concurrent.CompletableFuture
 
 const val defaultGrassColor = 0
 
@@ -42,27 +32,34 @@ class GrassInfo(
 
 object GrassRegistry : ModelRenderRegistryRoot<GrassInfo>()
 
-object StandardGrassRegistry : ModelRenderRegistryConfigurable<GrassInfo>() {
-    override val logger = BetterFoliageMod.logDetail
-    override val matchClasses: ConfigurableBlockMatcher get() = Config.blocks.grassClasses
-    override val modelTextures: List<ModelTextureList> get() = Config.blocks.grassModels.list
-    override fun processModel(state: IBlockState, textures: List<String>) = StandardGrassKey(logger, textures[0])
-}
+object AsyncGrassDiscovery : ConfigurableModelDiscovery<GrassInfo>() {
+    override val logger = BetterFoliage.logDetail
+    override val matchClasses: ConfigurableBlockMatcher get() = BlockConfig.grassBlocks
+    override val modelTextures: List<ModelTextureList> get() = BlockConfig.grassModels.modelList
 
-class StandardGrassKey(override val logger: Logger, val textureName: String) : ModelRenderKey<GrassInfo> {
-    override fun resolveSprites(atlas: TextureMap): GrassInfo {
-        val logName = "StandardGrassKey"
-        val texture = atlas[textureName] ?: atlas.missingSprite
-        logger.log(Level.DEBUG, "$logName: texture $textureName")
-        val hsb = HSB.fromColor(texture.averageColor ?: defaultGrassColor)
-        val overrideColor = if (hsb.saturation >= Config.shortGrass.saturationThreshold) {
-            logger.log(Level.DEBUG, "$logName:         brightness ${hsb.brightness}")
-            logger.log(Level.DEBUG, "$logName:         saturation ${hsb.saturation} >= ${Config.shortGrass.saturationThreshold}, using texture color")
-            hsb.copy(brightness = min(0.9f, hsb.brightness * 2.0f)).asColor
-        } else {
-            logger.log(Level.DEBUG, "$logName:         saturation ${hsb.saturation} < ${Config.shortGrass.saturationThreshold}, using block color")
-            null
+    override fun processModel(state: BlockState, textures: List<String>, atlas: AtlasFuture): CompletableFuture<GrassInfo> {
+        val textureName = textures[0]
+        val spriteF = atlas.sprite(Identifier(textureName))
+        logger.log(Level.DEBUG, "$logName:       texture $textureName")
+        return atlas.mapAfter {
+            val sprite = spriteF.get()
+            logger.log(Level.DEBUG, "$logName: block state $state")
+            logger.log(Level.DEBUG, "$logName:       texture $textureName")
+            val hsb = HSB.fromColor(sprite.averageColor)
+            val overrideColor = if (hsb.saturation >= Config.shortGrass.saturationThreshold) {
+                logger.log(Level.DEBUG, "$logName:         brightness ${hsb.brightness}")
+                logger.log(Level.DEBUG, "$logName:         saturation ${hsb.saturation} >= ${Config.shortGrass.saturationThreshold}, using texture color")
+                hsb.copy(brightness = min(0.9f, hsb.brightness * 2.0f)).asColor
+            } else {
+                logger.log(Level.DEBUG, "$logName:         saturation ${hsb.saturation} < ${Config.shortGrass.saturationThreshold}, using block color")
+                null
+            }
+            GrassInfo(sprite, overrideColor)
         }
-        return GrassInfo(texture, overrideColor)
+    }
+
+    fun init() {
+        GrassRegistry.registries.add(this)
+        BetterFoliage.blockSprites.providers.add(this)
     }
 }

src/main/kotlin/mods/betterfoliage/client/texture/LeafParticleRegistry.kt

@@ -1,48 +1,63 @@
 package mods.betterfoliage.client.texture
 
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.resource.Identifier
+import mods.betterfoliage.client.resource.Sprite
 import mods.octarinecore.client.resource.*
 import mods.octarinecore.stripStart
-import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.util.ResourceLocation
-import net.minecraftforge.client.event.TextureStitchEvent
-import net.minecraftforge.common.MinecraftForge
-import net.minecraftforge.fml.common.eventhandler.EventPriority
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import mods.octarinecore.client.resource.Atlas
+import mods.octarinecore.common.sinkAsync
+import net.minecraft.client.particle.ParticleManager
+import net.minecraft.resources.IResourceManager
+import java.util.concurrent.CompletableFuture
 
-object LeafParticleRegistry {
+class FixedSpriteSet(val sprites: List<Sprite>) : SpriteSet {
+    override val num = sprites.size
+    override fun get(idx: Int) = sprites[idx % num]
+}
+
+object LeafParticleRegistry : AsyncSpriteProvider<ParticleManager> {
+    val targetAtlas = Atlas.PARTICLES
     val typeMappings = TextureMatcher()
-    val particles = hashMapOf<String, IconSet>()
+    val particles = hashMapOf<String, SpriteSet>()
 
     operator fun get(type: String) = particles[type] ?: particles["default"]!!
 
-    init { MinecraftForge.EVENT_BUS.register(this) }
-
-    @SubscribeEvent(priority = EventPriority.HIGH)
-    fun handleLoadModelData(event: LoadModelDataEvent) {
+    override fun setup(manager: IResourceManager, particleF: CompletableFuture<ParticleManager>, atlasFuture: AtlasFuture): StitchPhases {
         particles.clear()
-        typeMappings.loadMappings(ResourceLocation(BetterFoliageMod.DOMAIN, "leaf_texture_mappings.cfg"))
+        val futures = mutableMapOf<String, List<CompletableFuture<Sprite>>>()
+
+        return StitchPhases(
+            discovery = particleF.sinkAsync {
+                typeMappings.loadMappings(Identifier(BetterFoliageMod.MOD_ID, "leaf_texture_mappings.cfg"))
+                (typeMappings.mappings.map { it.type } + "default").distinct().forEach { leafType ->
+                    val ids = (0 until 16).map { idx -> Identifier(BetterFoliageMod.MOD_ID, "falling_leaf_${leafType}_$idx") }
+                    val wids = ids.map { Atlas.PARTICLES.wrap(it) }
+                    futures[leafType] = (0 until 16).map { idx -> Identifier(BetterFoliageMod.MOD_ID, "falling_leaf_${leafType}_$idx") }
+                        .filter { manager.hasResource(Atlas.PARTICLES.wrap(it)) }
+                        .map { atlasFuture.sprite(it) }
+                }
+            },
+            cleanup = atlasFuture.runAfter {
+                futures.forEach { leafType, spriteFutures ->
+                    val sprites = spriteFutures.filter { !it.isCompletedExceptionally }.map { it.get() }
+                    if (sprites.isNotEmpty()) particles[leafType] = FixedSpriteSet(sprites)
+                }
+                if (particles["default"] == null) particles["default"] = FixedSpriteSet(listOf(atlasFuture.missing.get()!!))
+            }
+        )
     }
 
-    @SubscribeEvent
-    fun handlePreStitch(event: TextureStitchEvent.Pre) {
-        val allTypes = (typeMappings.mappings.map { it.type } + "default").distinct()
-        allTypes.forEach { leafType ->
-            val particleSet = IconSet("betterfoliage", "blocks/falling_leaf_${leafType}_%d").apply { onPreStitch(event.map) }
-            if (leafType == "default" || particleSet.num > 0) particles[leafType] = particleSet
-        }
-    }
-
-    @SubscribeEvent
-    fun handlePostStitch(event: TextureStitchEvent.Post) {
-        particles.forEach { (_, particleSet) -> particleSet.onPostStitch(event.map) }
+    fun init() {
+        BetterFoliage.particleSprites.providers.add(this)
     }
 }
 
 class TextureMatcher {
 
     data class Mapping(val domain: String?, val path: String, val type: String) {
-        fun matches(iconLocation: ResourceLocation): Boolean {
+        fun matches(iconLocation: Identifier): Boolean {
             return (domain == null || domain == iconLocation.namespace) &&
                 iconLocation.path.stripStart("blocks/").contains(path, ignoreCase = true)
         }
@@ -50,10 +65,10 @@ class TextureMatcher {
 
     val mappings: MutableList<Mapping> = mutableListOf()
 
-    fun getType(resource: ResourceLocation) = mappings.filter { it.matches(resource) }.map { it.type }.firstOrNull()
-    fun getType(iconName: String) = ResourceLocation(iconName).let { getType(it) }
+    fun getType(resource: Identifier) = mappings.filter { it.matches(resource) }.map { it.type }.firstOrNull()
+    fun getType(iconName: String) = Identifier(iconName).let { getType(it) }
 
-    fun loadMappings(mappingLocation: ResourceLocation) {
+    fun loadMappings(mappingLocation: Identifier) {
         mappings.clear()
         resourceManager[mappingLocation]?.getLines()?.let { lines ->
             lines.filter { !it.startsWith("//") }.filter { !it.isEmpty() }.forEach { line ->

src/main/kotlin/mods/betterfoliage/client/texture/LeafRegistry.kt

@@ -1,30 +1,15 @@
 package mods.betterfoliage.client.texture
 
-import mods.betterfoliage.BetterFoliageMod
-import mods.betterfoliage.client.Client
-import mods.betterfoliage.client.config.Config
-import mods.octarinecore.client.render.BlockContext
+import mods.betterfoliage.BetterFoliage
+import mods.betterfoliage.client.config.BlockConfig
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.HasLogger
 import mods.octarinecore.client.resource.*
-import mods.octarinecore.common.Int3
 import mods.octarinecore.common.config.ConfigurableBlockMatcher
-import mods.octarinecore.common.config.IBlockMatcher
 import mods.octarinecore.common.config.ModelTextureList
-import mods.octarinecore.findFirst
-import net.minecraft.block.state.IBlockState
+import net.minecraft.block.BlockState
 import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.client.renderer.texture.TextureMap
-import net.minecraft.util.EnumFacing
-import net.minecraft.util.ResourceLocation
-import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-import net.minecraftforge.client.event.TextureStitchEvent
-import net.minecraftforge.common.MinecraftForge
-import net.minecraftforge.fml.common.eventhandler.EventPriority
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
-import net.minecraftforge.fml.relauncher.Side
-import net.minecraftforge.fml.relauncher.SideOnly
-import org.apache.logging.log4j.Level
-import org.apache.logging.log4j.Logger
+import java.util.concurrent.CompletableFuture
 
 const val defaultLeafColor = 0
 
@@ -37,34 +22,35 @@ class LeafInfo(
     val leafType: String,
 
     /** Average color of the round leaf texture. */
-    val averageColor: Int = roundLeafTexture.averageColor ?: defaultLeafColor
+    val averageColor: Int = roundLeafTexture.averageColor
 ) {
     /** [IconSet] of the textures to use for leaf particles emitted from this block. */
-    val particleTextures: IconSet get() = LeafParticleRegistry[leafType]
+    val particleTextures: SpriteSet get() = LeafParticleRegistry[leafType]
 }
 
 object LeafRegistry : ModelRenderRegistryRoot<LeafInfo>()
 
-object StandardLeafRegistry : ModelRenderRegistryConfigurable<LeafInfo>() {
-    override val logger = BetterFoliageMod.logDetail
-    override val matchClasses: ConfigurableBlockMatcher get() = Config.blocks.leavesClasses
-    override val modelTextures: List<ModelTextureList> get() = Config.blocks.leavesModels.list
-    override fun processModel(state: IBlockState, textures: List<String>) = StandardLeafKey(logger, textures[0])
+object AsyncLeafDiscovery : ConfigurableModelDiscovery<LeafInfo>() {
+    override val logger = BetterFoliage.logDetail
+    override val matchClasses: ConfigurableBlockMatcher get() = BlockConfig.leafBlocks
+    override val modelTextures: List<ModelTextureList> get() = BlockConfig.leafModels.modelList
+
+    override fun processModel(state: BlockState, textures: List<String>, atlas: AtlasFuture) = defaultRegisterLeaf(Identifier(textures[0]), atlas)
+
+    fun init() {
+        LeafRegistry.registries.add(this)
+        BetterFoliage.blockSprites.providers.add(this)
+    }
 }
 
-class StandardLeafKey(override val logger: Logger, val textureName: String) : ModelRenderKey<LeafInfo> {
-    lateinit var leafType: String
-    lateinit var generated: ResourceLocation
+fun HasLogger.defaultRegisterLeaf(sprite: Identifier, atlas: AtlasFuture): CompletableFuture<LeafInfo> {
+    val leafType = LeafParticleRegistry.typeMappings.getType(sprite) ?: "default"
+    val generated = GeneratedLeaf(sprite, leafType).register(BetterFoliage.asyncPack)
+    val roundLeaf = atlas.sprite(generated)
 
-    override fun onPreStitch(atlas: TextureMap) {
-        val logName = "StandardLeafKey"
-        leafType = LeafParticleRegistry.typeMappings.getType(textureName) ?: "default"
-        generated = Client.genLeaves.generatedResource(textureName, "type" to leafType)
-        atlas.registerSprite(generated)
-
-        logger.log(Level.DEBUG, "$logName: leaf texture   $textureName")
-        logger.log(Level.DEBUG, "$logName:      particle $leafType")
+    log(" leaf texture $sprite")
+    log("     particle $leafType")
+    return atlas.mapAfter {
+        LeafInfo(roundLeaf.get(), leafType)
     }
-
-    override fun resolveSprites(atlas: TextureMap) = LeafInfo(atlas[generated] ?: atlas.missingSprite, leafType)
 }

src/main/kotlin/mods/betterfoliage/client/texture/Utils.kt

@@ -1,6 +1,13 @@
 @file:JvmName("Utils")
 package mods.betterfoliage.client.texture
 
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.client.resource.Atlas
+import mods.octarinecore.client.resource.get
+import mods.octarinecore.client.resource.loadImage
+import net.minecraft.resources.IResourceManager
+import java.io.IOException
+
 fun blendRGB(rgb1: Int, rgb2: Int, weight1: Int, weight2: Int): Int {
     val r = (((rgb1 shr 16) and 255) * weight1 + ((rgb2 shr 16) and 255) * weight2) / (weight1 + weight2)
     val g = (((rgb1 shr 8) and 255) * weight1 + ((rgb2 shr 8) and 255) * weight2) / (weight1 + weight2)
@@ -8,4 +15,6 @@ fun blendRGB(rgb1: Int, rgb2: Int, weight1: Int, weight2: Int): Int {
     val a = (rgb1 shr 24) and 255
     val result = ((a shl 24) or (r shl 16) or (g shl 8) or b).toInt()
     return result
-}
+}
+
+fun IResourceManager.loadSprite(id: Identifier) = this.get(id)?.loadImage() ?: throw IOException("Cannot load resource $id")

src/main/kotlin/mods/betterfoliage/loader/BetterFoliageCore.kt

@@ -1,138 +0,0 @@
-package mods.betterfoliage.loader
-
-import mods.octarinecore.metaprog.Transformer
-import mods.octarinecore.metaprog.allAvailable
-import net.minecraftforge.fml.relauncher.FMLLaunchHandler
-import org.objectweb.asm.ClassWriter
-import org.objectweb.asm.ClassWriter.COMPUTE_FRAMES
-import org.objectweb.asm.ClassWriter.COMPUTE_MAXS
-import org.objectweb.asm.Opcodes.*
-
-class BetterFoliageTransformer : Transformer() {
-
-    val isOptifinePresent = allAvailable(Refs.OptifineClassTransformer)
-
-    init {
-        if (FMLLaunchHandler.side().isClient) setupClient()
-    }
-
-    fun setupClient() {
-        // where: WorldClient.showBarrierParticles(), right after invoking Block.randomDisplayTick
-        // what: invoke BF code for every random display tick
-        // why: allows us to catch random display ticks, without touching block code
-        transformMethod(Refs.showBarrierParticles) {
-            find(invokeRef(Refs.randomDisplayTick))?.insertAfter {
-                log.info("[BetterFoliageLoader] Applying random display tick call hook")
-                varinsn(ALOAD, 0)
-                varinsn(ALOAD, 11)
-                varinsn(ALOAD, 7)
-                invokeStatic(Refs.onRandomDisplayTick)
-            } ?: log.warn("[BetterFoliageLoader] Failed to apply random display tick call hook!")
-        }
-
-        // where: BlockStateContainer$StateImplementation.getAmbientOcclusionLightValue()
-        // what: invoke BF code to overrule AO transparency value
-        // why: allows us to have light behave properly on non-solid log blocks
-        transformMethod(Refs.getAmbientOcclusionLightValue) {
-            find(FRETURN)?.insertBefore {
-                log.info("[BetterFoliageLoader] Applying getAmbientOcclusionLightValue() override")
-                varinsn(ALOAD, 0)
-                invokeStatic(Refs.getAmbientOcclusionLightValueOverride)
-            } ?: log.warn("[BetterFoliageLoader] Failed to apply getAmbientOcclusionLightValue() override!")
-        }
-
-        // where: BlockStateContainer$StateImplementation.useNeighborBrightness()
-        // what: invoke BF code to overrule _useNeighborBrightness_
-        // why: allows us to have light behave properly on non-solid log blocks
-        transformMethod(Refs.useNeighborBrightness) {
-            find(IRETURN)?.insertBefore {
-                log.info("[BetterFoliageLoader] Applying useNeighborBrightness() override")
-                varinsn(ALOAD, 0)
-                invokeStatic(Refs.useNeighborBrightnessOverride)
-            } ?: log.warn("[BetterFoliageLoader] Failed to apply useNeighborBrightness() override!")
-        }
-
-        // where: BlockStateContainer$StateImplementation.doesSideBlockRendering()
-        // what: invoke BF code to overrule condition
-        // why: allows us to make log blocks non-solid
-        transformMethod(Refs.doesSideBlockRendering) {
-            find(IRETURN)?.insertBefore {
-                log.info("[BetterFoliageLoader] Applying doesSideBlockRendering() override")
-                varinsn(ALOAD, 1)
-                varinsn(ALOAD, 2)
-                varinsn(ALOAD, 3)
-                invokeStatic(Refs.doesSideBlockRenderingOverride)
-            } ?: log.warn("[BetterFoliageLoader] Failed to apply doesSideBlockRendering() override!")
-        }
-
-        // where: BlockStateContainer$StateImplementation.isOpaqueCube()
-        // what: invoke BF code to overrule condition
-        // why: allows us to make log blocks non-solid
-        transformMethod(Refs.isOpaqueCube) {
-            find(IRETURN)?.insertBefore {
-                log.info("[BetterFoliageLoader] Applying isOpaqueCube() override")
-                varinsn(ALOAD, 0)
-                invokeStatic(Refs.isOpaqueCubeOverride)
-            } ?: log.warn("[BetterFoliageLoader] Failed to apply isOpaqueCube() override!")
-        }
-
-        // where: ModelLoader.setupModelRegistry(), right before the textures are loaded
-        // what: invoke handler code with ModelLoader instance
-        // why: allows us to iterate the unbaked models in ModelLoader in time to register textures
-        transformMethod(Refs.setupModelRegistry) {
-            find(invokeName("addAll"))?.insertAfter {
-                log.info("[BetterFoliageLoader] Applying ModelLoader lifecycle callback")
-                varinsn(ALOAD, 0)
-                invokeStatic(Refs.onAfterLoadModelDefinitions)
-            } ?: log.warn("[BetterFoliageLoader] Failed to apply ModelLoader lifecycle callback!")
-        }
-
-        // where: RenderChunk.rebuildChunk()
-        // what: replace call to BlockRendererDispatcher.renderBlock()
-        // why: allows us to perform additional rendering for each block
-        // what: invoke code to overrule result of Block.canRenderInLayer()
-        // why: allows us to render transparent quads for blocks which are only on the SOLID layer
-        transformMethod(Refs.rebuildChunk) {
-            applyWriterFlags(COMPUTE_FRAMES, COMPUTE_MAXS)
-            find(invokeRef(Refs.renderBlock))?.replace {
-                log.info("[BetterFoliageLoader] Applying RenderChunk block render override")
-                varinsn(ALOAD, if (isOptifinePresent) 22 else 20)
-                invokeStatic(Refs.renderWorldBlock)
-            }
-            if (isOptifinePresent) {
-                find(varinsn(ISTORE, 23))?.insertAfter {
-                    log.info("[BetterFoliageLoader] Applying RenderChunk block layer override (Optifine)")
-                    varinsn(ALOAD, 19)
-                    varinsn(ALOAD, 18)
-                    varinsn(ALOAD, 22)
-                    invokeStatic(Refs.canRenderBlockInLayer)
-                    varinsn(ISTORE, 23)
-                }
-            } else {
-                find(invokeRef(Refs.canRenderInLayer))?.replace {
-                    log.info("[BetterFoliageLoader] Applying RenderChunk block layer override (non-Optifine)")
-                    invokeStatic(Refs.canRenderBlockInLayer)
-                }
-            }
-        }
-
-        // where: net.minecraft.client.renderer.BlockModelRenderer$AmbientOcclusionFace
-        // what: make constructor public
-        // why: use vanilla AO calculation at will without duplicating code
-        transformMethod(Refs.AOF_constructor) {
-            log.info("[BetterFoliageLoader] Setting AmbientOcclusionFace constructor public")
-            makePublic()
-        }
-
-        // where: shadersmod.client.SVertexBuilder.pushEntity()
-        // what: invoke code to overrule block data
-        // why: allows us to change the block ID seen by shader programs
-        transformMethod(Refs.pushEntity_state) {
-            find(invokeRef(Refs.pushEntity_num))?.insertBefore {
-                log.info("[BetterFoliageLoader] Applying SVertexBuilder.pushEntity() block ID override")
-                varinsn(ALOAD, 0)
-                invokeStatic(Refs.getBlockIdOverride)
-            } ?: log.warn("[BetterFoliageLoader] Failed to apply SVertexBuilder.pushEntity() block ID override!")
-        }
-    }
-}

src/main/kotlin/mods/betterfoliage/loader/Refs.kt

@@ -1,117 +0,0 @@
-package mods.betterfoliage.loader
-
-import mods.octarinecore.metaprog.ClassRef
-import mods.octarinecore.metaprog.FieldRef
-import mods.octarinecore.metaprog.MethodRef
-import net.minecraftforge.fml.relauncher.FMLInjectionData
-
-/** Singleton object holding references to foreign code elements. */
-object Refs {
-    val mcVersion = FMLInjectionData.data()[4].toString()
-
-    // Java
-    val String = ClassRef("java.lang.String")
-    val Map = ClassRef("java.util.Map")
-    val List = ClassRef("java.util.List")
-    val Random = ClassRef("java.util.Random")
-
-    // Minecraft
-    val IBlockAccess = ClassRef("net.minecraft.world.IBlockAccess")
-    val IBlockState = ClassRef("net.minecraft.block.state.IBlockState")
-    val BlockStateBase = ClassRef("net.minecraft.block.state.BlockStateBase")
-    val BlockPos = ClassRef("net.minecraft.util.math.BlockPos")
-    val MutableBlockPos = ClassRef("net.minecraft.util.math.BlockPos\$MutableBlockPos")
-    val BlockRenderLayer = ClassRef("net.minecraft.util.BlockRenderLayer")
-    val EnumFacing = ClassRef("net.minecraft.util.EnumFacing")
-
-    val World = ClassRef("net.minecraft.world.World")
-    val WorldClient = ClassRef("net.minecraft.client.multiplayer.WorldClient")
-    val ChunkCache = ClassRef("net.minecraft.world.ChunkCache")
-    val showBarrierParticles = MethodRef(WorldClient, "showBarrierParticles", "func_184153_a", ClassRef.void, ClassRef.int, ClassRef.int, ClassRef.int, ClassRef.int, Random, ClassRef.boolean, MutableBlockPos)
-
-    val Block = ClassRef("net.minecraft.block.Block")
-    val StateImplementation = ClassRef("net.minecraft.block.state.BlockStateContainer\$StateImplementation")
-    val canRenderInLayer = MethodRef(Block, "canRenderInLayer", ClassRef.boolean, IBlockState, BlockRenderLayer)
-    val getAmbientOcclusionLightValue = MethodRef(StateImplementation, "getAmbientOcclusionLightValue", "func_185892_j", ClassRef.float)
-    val useNeighborBrightness = MethodRef(StateImplementation, "useNeighborBrightness", "func_185916_f", ClassRef.boolean)
-    val doesSideBlockRendering = MethodRef(StateImplementation, "doesSideBlockRendering", ClassRef.boolean, IBlockAccess, BlockPos, EnumFacing)
-    val isOpaqueCube = MethodRef(StateImplementation, "isOpaqueCube", "func_185914_p", ClassRef.boolean)
-    val randomDisplayTick = MethodRef(Block, "randomDisplayTick", "func_180655_c", ClassRef.void, IBlockState, World, BlockPos, Random)
-
-    val BlockModelRenderer = ClassRef("net.minecraft.client.renderer.BlockModelRenderer")
-    val AmbientOcclusionFace = ClassRef("net.minecraft.client.renderer.BlockModelRenderer\$AmbientOcclusionFace")
-    val ChunkCompileTaskGenerator = ClassRef("net.minecraft.client.renderer.chunk.ChunkCompileTaskGenerator")
-    val BufferBuilder = ClassRef("net.minecraft.client.renderer.BufferBuilder")
-    val AOF_constructor = MethodRef(AmbientOcclusionFace, "<init>", ClassRef.void, BlockModelRenderer)
-
-    val RenderChunk = ClassRef("net.minecraft.client.renderer.chunk.RenderChunk")
-    val rebuildChunk = MethodRef(RenderChunk, "rebuildChunk", "func_178581_b", ClassRef.void, ClassRef.float, ClassRef.float, ClassRef.float, ChunkCompileTaskGenerator)
-
-    val BlockRendererDispatcher = ClassRef("net.minecraft.client.renderer.BlockRendererDispatcher")
-    val renderBlock = MethodRef(BlockRendererDispatcher, "renderBlock", "func_175018_a", ClassRef.boolean, IBlockState, BlockPos, IBlockAccess, BufferBuilder)
-
-    val TextureAtlasSprite = ClassRef("net.minecraft.client.renderer.texture.TextureAtlasSprite")
-
-    val IRegistry = ClassRef("net.minecraft.util.registry.IRegistry")
-    val ModelLoader = ClassRef("net.minecraftforge.client.model.ModelLoader")
-    val stateModels = FieldRef(ModelLoader, "stateModels", Map)
-    val setupModelRegistry = MethodRef(ModelLoader, "setupModelRegistry", "func_177570_a", IRegistry)
-
-    val IModel = ClassRef("net.minecraftforge.client.model.IModel")
-    val ModelBlock = ClassRef("net.minecraft.client.renderer.block.model.ModelBlock")
-    val ResourceLocation = ClassRef("net.minecraft.util.ResourceLocation")
-    val ModelResourceLocation = ClassRef("net.minecraft.client.renderer.block.model.ModelResourceLocation")
-    val VanillaModelWrapper = ClassRef("net.minecraftforge.client.model.ModelLoader\$VanillaModelWrapper")
-    val model_VMW = FieldRef(VanillaModelWrapper, "model", ModelBlock)
-    val location_VMW = FieldRef(VanillaModelWrapper, "location", ModelBlock)
-    val WeightedRandomModel = ClassRef("net.minecraftforge.client.model.ModelLoader\$WeightedRandomModel")
-    val models_WRM = FieldRef(WeightedRandomModel, "models", List)
-    val MultiModel = ClassRef("net.minecraftforge.client.model.MultiModel")
-    val base_MM = FieldRef(MultiModel, "base", IModel)
-    val MultipartModel = ClassRef("net.minecraftforge.client.model.ModelLoader\$MultipartModel")
-    val partModels_MPM = FieldRef(MultipartModel, "partModels", List)
-
-    val BakedQuad = ClassRef("net.minecraft.client.renderer.block.model.BakedQuad")
-
-    val resetChangedState = MethodRef(ClassRef("net.minecraftforge.common.config.Configuration"), "resetChangedState", ClassRef.void)
-
-
-    // Better Foliage
-    val BetterFoliageHooks = ClassRef("mods.betterfoliage.client.Hooks")
-    val getAmbientOcclusionLightValueOverride = MethodRef(BetterFoliageHooks, "getAmbientOcclusionLightValueOverride", ClassRef.float, ClassRef.float, IBlockState)
-    val useNeighborBrightnessOverride = MethodRef(BetterFoliageHooks, "getUseNeighborBrightnessOverride", ClassRef.boolean, ClassRef.boolean, IBlockState)
-    val doesSideBlockRenderingOverride = MethodRef(BetterFoliageHooks, "doesSideBlockRenderingOverride", ClassRef.boolean, ClassRef.boolean, IBlockAccess, BlockPos, EnumFacing)
-    val isOpaqueCubeOverride = MethodRef(BetterFoliageHooks, "isOpaqueCubeOverride", ClassRef.boolean, ClassRef.boolean, IBlockState)
-    val onRandomDisplayTick = MethodRef(BetterFoliageHooks, "onRandomDisplayTick", ClassRef.void, World, IBlockState, BlockPos)
-    val onAfterLoadModelDefinitions = MethodRef(BetterFoliageHooks, "onAfterLoadModelDefinitions", ClassRef.void, ModelLoader)
-    val onAfterBakeModels = MethodRef(BetterFoliageHooks, "onAfterBakeModels", ClassRef.void, Map)
-    val renderWorldBlock = MethodRef(BetterFoliageHooks, "renderWorldBlock", ClassRef.boolean, BlockRendererDispatcher, IBlockState, BlockPos, IBlockAccess, BufferBuilder, BlockRenderLayer)
-    val canRenderBlockInLayer = MethodRef(BetterFoliageHooks, "canRenderBlockInLayer", ClassRef.boolean, Block, IBlockState, BlockRenderLayer)
-
-    // Optifine
-    val OptifineClassTransformer = ClassRef("optifine.OptiFineClassTransformer")
-    val OptifineChunkCache = ClassRef("net.optifine.override.ChunkCacheOF")
-    val CCOFChunkCache = FieldRef(OptifineChunkCache, "chunkCache", ChunkCache)
-
-    val getBlockId = MethodRef(BlockStateBase, "getBlockId", ClassRef.int);
-    val getMetadata = MethodRef(BlockStateBase, "getMetadata", ClassRef.int);
-
-    // Optifine
-    val RenderEnv = ClassRef("net.optifine.render.RenderEnv")
-    val RenderEnv_reset = MethodRef(RenderEnv, "reset", ClassRef.void, IBlockState, BlockPos)
-    val quadSprite = FieldRef(BufferBuilder, "quadSprite", TextureAtlasSprite)
-
-    // Optifine: custom colors
-    val CustomColors = ClassRef("net.optifine.CustomColors")
-    val getColorMultiplier = MethodRef(CustomColors, "getColorMultiplier", ClassRef.int, BakedQuad, IBlockState, IBlockAccess, BlockPos, RenderEnv)
-
-    // Optifine: shaders
-    val SVertexBuilder = ClassRef("net.optifine.shaders.SVertexBuilder")
-    val sVertexBuilder = FieldRef(BufferBuilder, "sVertexBuilder", SVertexBuilder)
-    val pushEntity_state = MethodRef(SVertexBuilder, "pushEntity", ClassRef.void, IBlockState, BlockPos, IBlockAccess, BufferBuilder)
-    val pushEntity_num = MethodRef(SVertexBuilder, "pushEntity", ClassRef.void, ClassRef.long)
-    val popEntity = MethodRef(SVertexBuilder, "popEntity", ClassRef.void)
-
-    val ShadersModIntegration = ClassRef("mods.betterfoliage.client.integration.ShadersModIntegration")
-    val getBlockIdOverride = MethodRef(ShadersModIntegration, "getBlockIdOverride", ClassRef.long, ClassRef.long, IBlockState)
-}

src/main/kotlin/mods/octarinecore/CommonRefs.kt

@@ -0,0 +1,69 @@
+package mods.octarinecore
+
+import mods.octarinecore.metaprog.ClassRef
+import mods.octarinecore.metaprog.ClassRef.Companion.void
+import mods.octarinecore.metaprog.FieldRef
+import mods.octarinecore.metaprog.MethodRef
+import net.minecraft.block.Block
+import net.minecraft.block.BlockState
+import net.minecraft.client.renderer.BlockRendererDispatcher
+import net.minecraft.client.renderer.BufferBuilder
+import net.minecraft.client.renderer.chunk.ChunkRenderCache
+import net.minecraft.client.renderer.model.BakedQuad
+import net.minecraft.client.renderer.texture.TextureAtlasSprite
+import net.minecraft.util.BlockRenderLayer
+import net.minecraft.util.ResourceLocation
+import net.minecraft.util.math.BlockPos
+import net.minecraft.world.IBlockReader
+import net.minecraft.world.IEnviromentBlockReader
+import java.util.*
+
+// Java
+val String = ClassRef<String>("java.lang.String")
+val Map = ClassRef<Map<*, *>>("java.util.Map")
+val List = ClassRef<List<*>>("java.util.List")
+val Random = ClassRef<Random>("java.util.Random")
+
+// Minecraft
+val IBlockReader = ClassRef<IBlockReader>("net.minecraft.world.IBlockReader")
+val IEnvironmentBlockReader = ClassRef<IEnviromentBlockReader>("net.minecraft.world.IEnviromentBlockReader")
+val BlockState = ClassRef<BlockState>("net.minecraft.block.BlockState")
+val BlockPos = ClassRef<BlockPos>("net.minecraft.util.math.BlockPos")
+val BlockRenderLayer = ClassRef<BlockRenderLayer>("net.minecraft.util.BlockRenderLayer")
+val Block = ClassRef<Block>("net.minecraft.block.Block")
+
+val TextureAtlasSprite = ClassRef<TextureAtlasSprite>("net.minecraft.client.renderer.texture.TextureAtlasSprite")
+val BufferBuilder = ClassRef<BufferBuilder>("net.minecraft.client.renderer.BufferBuilder")
+val BufferBuilder_setSprite = MethodRef(BufferBuilder, "setSprite", void, TextureAtlasSprite)
+val BufferBuilder_sVertexBuilder = FieldRef(BufferBuilder, "sVertexBuilder", SVertexBuilder)
+val BlockRendererDispatcher = ClassRef<BlockRendererDispatcher>("net.minecraft.client.renderer.BlockRendererDispatcher")
+val ChunkRenderCache = ClassRef<ChunkRenderCache>("net.minecraft.client.renderer.chunk.ChunkRenderCache")
+val ResourceLocation = ClassRef<ResourceLocation>("net.minecraft.util.ResourceLocation")
+val BakedQuad = ClassRef<BakedQuad>("net.minecraft.client.renderer.model.BakedQuad")
+
+// Optifine
+val OptifineClassTransformer = ClassRef<Any>("optifine.OptiFineClassTransformer")
+val BlockPosM = ClassRef<Any>("net.optifine.BlockPosM")
+object ChunkCacheOF : ClassRef<Any>("net.optifine.override.ChunkCacheOF") {
+    val chunkCache = FieldRef(this, "chunkCache", ChunkRenderCache)
+}
+
+object RenderEnv : ClassRef<Any>("net.optifine.render.RenderEnv") {
+    val reset = MethodRef(this, "reset", void, BlockState, BlockPos)
+}
+
+// Optifine custom colors
+val IColorizer = ClassRef<Any>("net.optifine.CustomColors\$IColorizer")
+object CustomColors : ClassRef<Any>("net.optifine.CustomColors") {
+    val getColorMultiplier = MethodRef(this, "getColorMultiplier", int, BakedQuad, BlockState, IEnvironmentBlockReader, BlockPos, RenderEnv)
+}
+
+// Optifine shaders
+object SVertexBuilder : ClassRef<Any>("net.optifine.shaders.SVertexBuilder") {
+    val pushState = MethodRef(this, "pushEntity", void, BlockState, BlockPos, IEnvironmentBlockReader, BufferBuilder)
+    val pushNum = MethodRef(this, "pushEntity", void, long)
+    val pop = MethodRef(this, "popEntity", void)
+}
+
+
+

src/main/kotlin/mods/octarinecore/Utils.kt

@@ -2,23 +2,24 @@
 @file:Suppress("NOTHING_TO_INLINE")
 package mods.octarinecore
 
-import mods.betterfoliage.loader.Refs
 import net.minecraft.tileentity.TileEntity
 import net.minecraft.util.ResourceLocation
 import net.minecraft.util.math.BlockPos
-import net.minecraft.world.ChunkCache
-import net.minecraft.world.IBlockAccess
-import net.minecraft.world.World
+import net.minecraft.world.*
+import org.apache.logging.log4j.Level
+import org.apache.logging.log4j.Logger
 import kotlin.reflect.KProperty
 import java.lang.Math.*
 
 const val PI2 = 2.0 * PI
 
 /** Strip the given prefix off the start of the string, if present */
-inline fun String.stripStart(str: String) = if (startsWith(str)) substring(str.length) else this
+inline fun String.stripStart(str: String, ignoreCase: Boolean = true) = if (startsWith(str, ignoreCase)) substring(str.length) else this
+inline fun String.stripEnd(str: String, ignoreCase: Boolean = true) = if (endsWith(str, ignoreCase)) substring(0, length - str.length) else this
 
 /** Strip the given prefix off the start of the resource path, if present */
 inline fun ResourceLocation.stripStart(str: String) = ResourceLocation(namespace, path.stripStart(str))
+inline fun ResourceLocation.stripEnd(str: String) = ResourceLocation(namespace, path.stripEnd(str))
 
 /** Mutating version of _map_. Replace each element of the list with the result of the given transformation. */
 inline fun <reified T> MutableList<T>.replace(transform: (T) -> T) = forEachIndexed { idx, value -> this[idx] = transform(value) }
@@ -104,17 +105,25 @@ fun nextPowerOf2(x: Int): Int {
  * Check if the Chunk containing the given [BlockPos] is loaded.
  * Works for both [World] and [ChunkCache] (vanilla and OptiFine) instances.
  */
-fun IBlockAccess.isBlockLoaded(pos: BlockPos) = when {
-    this is World -> isBlockLoaded(pos, false)
-    this is ChunkCache -> world.isBlockLoaded(pos, false)
-    Refs.OptifineChunkCache.isInstance(this) -> (Refs.CCOFChunkCache.get(this) as ChunkCache).world.isBlockLoaded(pos, false)
-    else -> false
-}
+//fun IWorldReader.isBlockLoaded(pos: BlockPos) = when {
+//    this is World -> isBlockLoaded(pos, false)
+//    this is RenderChunkCache -> isworld.isBlockLoaded(pos, false)
+//    Refs.OptifineChunkCache.isInstance(this) -> (Refs.CCOFChunkCache.get(this) as ChunkCache).world.isBlockLoaded(pos, false)
+//    else -> false
+//}
+
 
 /**
  * Get the [TileEntity] at the given position, suppressing exceptions.
  * Also returns null if the chunk is unloaded, which can happen because of multithreaded rendering.
  */
-fun IBlockAccess.getTileEntitySafe(pos: BlockPos): TileEntity? = tryDefault(null as TileEntity?) {
+fun IWorldReader.getTileEntitySafe(pos: BlockPos): TileEntity? = tryDefault(null as TileEntity?) {
     if (isBlockLoaded(pos)) getTileEntity(pos) else null
+}
+
+interface HasLogger {
+    val logger: Logger
+    val logName: String get() = this::class.simpleName!!
+    fun log(msg: String) = log(Level.DEBUG, msg)
+    fun log(level: Level, msg: String) = logger.log(level, "[$logName] $msg")
 }

src/main/kotlin/mods/octarinecore/client/KeyHandler.kt

@@ -1,10 +1,10 @@
 package mods.octarinecore.client
 
 import net.minecraft.client.settings.KeyBinding
+import net.minecraftforge.client.event.InputEvent
+import net.minecraftforge.common.MinecraftForge
+import net.minecraftforge.eventbus.api.SubscribeEvent
 import net.minecraftforge.fml.client.registry.ClientRegistry
-import net.minecraftforge.fml.common.FMLCommonHandler
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
-import net.minecraftforge.fml.common.gameevent.InputEvent
 
 class KeyHandler(val modId: String, val defaultKey: Int, val lang: String, val action: (InputEvent.KeyInputEvent)->Unit) {
 
@@ -12,7 +12,7 @@ class KeyHandler(val modId: String, val defaultKey: Int, val lang: String, val a
 
     init {
         ClientRegistry.registerKeyBinding(keyBinding)
-        FMLCommonHandler.instance().bus().register(this)
+        MinecraftForge.EVENT_BUS.register(this)
     }
 
     @SubscribeEvent

src/main/kotlin/mods/octarinecore/client/gui/IdListConfigEntry.kt

@@ -1,61 +0,0 @@
-package mods.octarinecore.client.gui
-
-import net.minecraft.client.gui.GuiScreen
-import net.minecraft.client.resources.I18n
-import net.minecraft.util.text.TextFormatting.*
-import net.minecraftforge.fml.client.config.*
-
-/**
- * Base class for a config GUI element.
- * The GUI representation is a list of toggleable objects.
- * The config representation is an integer list of the selected objects' IDs.
- */
-abstract class IdListConfigEntry<T>(
-    owningScreen: GuiConfig,
-    owningEntryList: GuiConfigEntries,
-    configElement: IConfigElement
-) : GuiConfigEntries.CategoryEntry(owningScreen, owningEntryList, configElement) {
-
-    /** Create the child GUI elements. */
-    fun createChildren() = baseSet.map {
-        ItemWrapperElement(it, it.itemId in configElement.list, it.itemId in configElement.defaults)
-    }
-
-    init { stripTooltipDefaultText(toolTip as MutableList<String>) }
-
-    override fun buildChildScreen(): GuiScreen {
-        return GuiConfig(
-            this.owningScreen,
-            createChildren(),
-            this.owningScreen.modID,
-            owningScreen.allRequireWorldRestart || this.configElement.requiresWorldRestart(),
-            owningScreen.allRequireMcRestart || this.configElement.requiresMcRestart(),
-            this.owningScreen.title,
-            (if (this.owningScreen.titleLine2 == null) "" else this.owningScreen.titleLine2) + " > " + this.name)
-    }
-
-    override fun saveConfigElement(): Boolean {
-        val requiresRestart = (childScreen as GuiConfig).entryList.saveConfigElements()
-        val children = (childScreen as GuiConfig).configElements as List<ItemWrapperElement>
-        val ids = children.filter { it.booleanValue == true }.map { it.item.itemId }
-        configElement.set(ids.sorted().toTypedArray())
-        return requiresRestart
-    }
-
-    abstract val baseSet: List<T>
-    abstract val T.itemId: Int
-    abstract val T.itemName: String
-
-    /** Child config GUI element of a single toggleable object. */
-    inner class ItemWrapperElement(val item: T, value: Boolean, val default: Boolean) :
-            DummyConfigElement(item.itemName, default, ConfigGuiType.BOOLEAN, item.itemName) {
-
-        init {
-            this.value = value
-            this.defaultValue = default
-        }
-
-        override fun getComment() = I18n.format("${configElement.languageKey}.tooltip.element", "${GOLD}${item.itemName}${YELLOW}")
-        val booleanValue: Boolean get() = defaultValue as Boolean
-    }
-}

src/main/kotlin/mods/octarinecore/client/gui/NonVerboseArrayEntry.kt

@@ -1,25 +0,0 @@
-package mods.octarinecore.client.gui
-
-import net.minecraft.client.resources.I18n
-import net.minecraft.util.text.TextFormatting.*
-import net.minecraftforge.fml.client.config.GuiConfig
-import net.minecraftforge.fml.client.config.GuiConfigEntries
-import net.minecraftforge.fml.client.config.IConfigElement
-
-class NonVerboseArrayEntry(
-    owningScreen: GuiConfig,
-    owningEntryList: GuiConfigEntries,
-    configElement: IConfigElement
-) : GuiConfigEntries.ArrayEntry(owningScreen, owningEntryList, configElement) {
-
-    init {
-        stripTooltipDefaultText(toolTip as MutableList<String>)
-        val shortDefaults = I18n.format("${configElement.languageKey}.arrayEntry", configElement.defaults.size)
-        toolTip.addAll(mc.fontRenderer.listFormattedStringToWidth("$AQUA${I18n.format("fml.configgui.tooltip.default", shortDefaults)}", 300))
-    }
-
-    override fun updateValueButtonText() {
-        btnValue.displayString = I18n.format("${configElement.languageKey}.arrayEntry", currentValues.size)
-    }
-
-}

src/main/kotlin/mods/octarinecore/client/gui/Utils.kt

@@ -1,8 +1,8 @@
 @file:JvmName("Utils")
 package mods.octarinecore.client.gui
 
+import net.minecraft.util.text.StringTextComponent
 import net.minecraft.util.text.Style
-import net.minecraft.util.text.TextComponentString
 import net.minecraft.util.text.TextFormatting
 import net.minecraft.util.text.TextFormatting.AQUA
 import net.minecraft.util.text.TextFormatting.GRAY
@@ -16,7 +16,7 @@ fun stripTooltipDefaultText(tooltip: MutableList<String>) {
     }
 }
 
-fun textComponent(msg: String, color: TextFormatting = GRAY): TextComponentString {
+fun textComponent(msg: String, color: TextFormatting = GRAY): StringTextComponent {
     val style = Style().apply { this.color = color }
-    return TextComponentString(msg).apply { this.style = style }
+    return StringTextComponent(msg).apply { this.style = style }
 }

src/main/kotlin/mods/octarinecore/client/render/AbstractBlockRenderingHandler.kt

@@ -1,122 +0,0 @@
-@file:JvmName("RendererHolder")
-package mods.octarinecore.client.render
-
-import mods.betterfoliage.client.render.canRenderInCutout
-import mods.betterfoliage.client.render.canRenderInLayer
-import mods.betterfoliage.client.render.isCutout
-import mods.octarinecore.ThreadLocalDelegate
-import mods.octarinecore.client.resource.ResourceHandler
-import mods.octarinecore.common.Double3
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.forgeDirOffsets
-import mods.octarinecore.common.plus
-import mods.octarinecore.semiRandom
-import net.minecraft.block.Block
-import net.minecraft.block.state.IBlockState
-import net.minecraft.client.Minecraft
-import net.minecraft.client.renderer.BlockRendererDispatcher
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.client.renderer.color.BlockColors
-import net.minecraft.util.BlockRenderLayer
-import net.minecraft.util.math.BlockPos
-import net.minecraft.util.math.MathHelper
-import net.minecraft.world.IBlockAccess
-import net.minecraft.world.biome.Biome
-import kotlin.math.abs
-
-/**
- * [ThreadLocal] instance of [BlockContext] representing the block being rendered.
- */
-val blockContext by ThreadLocalDelegate { BlockContext() }
-
-/**
- * [ThreadLocal] instance of [ModelRenderer].
- */
-val modelRenderer by ThreadLocalDelegate { ModelRenderer() }
-
-val blockColors = ThreadLocal<BlockColors>()
-
-abstract class AbstractBlockRenderingHandler(modId: String) : ResourceHandler(modId) {
-
-    open val addToCutout: Boolean get() = true
-
-    // ============================
-    // Custom rendering
-    // ============================
-    abstract fun isEligible(ctx: BlockContext): Boolean
-    abstract fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean
-
-    // ============================
-    // Vanilla rendering wrapper
-    // ============================
-    /**
-     * Render the block in the current [BlockContext]
-     */
-    fun renderWorldBlockBase(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer?): Boolean {
-        ctx.blockState(Int3.zero).let { state ->
-            if (layer == null ||
-                state.canRenderInLayer(layer) ||
-                (state.canRenderInCutout() && layer.isCutout)) {
-                return dispatcher.renderBlock(state, ctx.pos, ctx.world, renderer)
-            }
-        }
-        return false
-    }
-
-}
-
-data class BlockData(val state: IBlockState, val color: Int, val brightness: Int)
-
-/**
- * Represents the block being rendered. Has properties and methods to query the neighborhood of the block in
- * block-relative coordinates.
- */
-class BlockContext(
-    var world: IBlockAccess? = null,
-    var pos: BlockPos = BlockPos.ORIGIN
-) {
-    fun set(world: IBlockAccess, pos: BlockPos) { this.world = world; this.pos = pos; }
-
-    val block: Block get() = block(Int3.zero)
-    fun block(offset: Int3) = blockState(offset).block
-    fun blockState(offset: Int3) = (pos + offset).let { world!!.getBlockState(it) }
-    fun blockData(offset: Int3) = (pos + offset).let { pos ->
-        world!!.getBlockState(pos).let { state ->
-            BlockData(
-                state,
-                Minecraft.getMinecraft().blockColors.colorMultiplier(state, world!!, pos, 0),
-                state.block.getPackedLightmapCoords(state, world!!, pos)
-            )
-        }
-    }
-
-    /** Get the biome ID at the block position. */
-    val biomeId: Int get() = Biome.getIdForBiome(world!!.getBiome(pos))
-
-    /** Get the centerpoint of the block being rendered. */
-    val blockCenter: Double3 get() = Double3(pos.x + 0.5, pos.y + 0.5, pos.z + 0.5)
-
-    val chunkBase: Double3 get() {
-        val cX = if (pos.x >= 0) pos.x / 16 else (pos.x + 1) / 16 - 1
-        val cY = pos.y / 16
-        val cZ = if (pos.z >= 0) pos.z / 16 else (pos.z + 1) / 16 - 1
-        return Double3(cX * 16.0, cY * 16.0, cZ * 16.0)
-    }
-
-    /** Is the block surrounded by other blocks that satisfy the predicate on all sides? */
-    fun isSurroundedBy(predicate: (IBlockState)->Boolean) = forgeDirOffsets.all { predicate(blockState(it)) }
-
-    /** Get a semi-random value based on the block coordinate and the given seed. */
-    fun random(seed: Int) = semiRandom(pos.x, pos.y, pos.z, seed)
-
-    /** Get an array of semi-random values based on the block coordinate. */
-    fun semiRandomArray(num: Int): Array<Int> = Array(num) { random(it) }
-
-    /** Get the distance of the block from the camera (player). */
-    val cameraDistance: Int get() {
-        val camera = Minecraft.getMinecraft().renderViewEntity ?: return 0
-        return abs(pos.x - MathHelper.floor(camera.posX)) +
-               abs(pos.y - MathHelper.floor(camera.posY)) +
-               abs(pos.z - MathHelper.floor(camera.posZ))
-    }
-}

src/main/kotlin/mods/octarinecore/client/render/AbstractEntityFX.kt

@@ -3,13 +3,16 @@ package mods.octarinecore.client.render
 import mods.octarinecore.PI2
 import mods.octarinecore.common.Double3
 import net.minecraft.client.Minecraft
+import net.minecraft.client.particle.IParticleRenderType
 import net.minecraft.client.particle.Particle
+import net.minecraft.client.particle.SpriteTexturedParticle
+import net.minecraft.client.renderer.ActiveRenderInfo
 import net.minecraft.client.renderer.BufferBuilder
 import net.minecraft.client.renderer.texture.TextureAtlasSprite
 import net.minecraft.entity.Entity
 import net.minecraft.world.World
 
-abstract class AbstractEntityFX(world: World, x: Double, y: Double, z: Double) : Particle(world, x, y, z) {
+abstract class AbstractEntityFX(world: World, x: Double, y: Double, z: Double) : SpriteTexturedParticle(world, x, y, z) {
 
     companion object {
         @JvmStatic val sin = Array(64) { idx -> Math.sin(PI2 / 64.0 * idx) }
@@ -21,8 +24,8 @@ abstract class AbstractEntityFX(world: World, x: Double, y: Double, z: Double) :
     val prevPos = Double3.zero
     val velocity = Double3.zero
 
-    override fun onUpdate() {
-        super.onUpdate()
+    override fun tick() {
+        super.tick()
         currentPos.setTo(posX, posY, posZ)
         prevPos.setTo(prevPosX, prevPosY, prevPosZ)
         velocity.setTo(motionX, motionY, motionZ)
@@ -41,12 +44,12 @@ abstract class AbstractEntityFX(world: World, x: Double, y: Double, z: Double) :
     abstract val isValid: Boolean
 
     /** Add the particle to the effect renderer if it is valid. */
-    fun addIfValid() { if (isValid) Minecraft.getMinecraft().effectRenderer.addEffect(this) }
+    fun addIfValid() { if (isValid) Minecraft.getInstance().particles.addEffect(this) }
 
-    override fun renderParticle(worldRenderer: BufferBuilder, entity: Entity, partialTickTime: Float, rotX: Float, rotZ: Float, rotYZ: Float, rotXY: Float, rotXZ: Float) {
+    override fun renderParticle(buffer: BufferBuilder, entity: ActiveRenderInfo, partialTicks: Float, rotX: Float, rotZ: Float, rotYZ: Float, rotXY: Float, rotXZ: Float) {
         billboardRot.first.setTo(rotX + rotXY, rotZ, rotYZ + rotXZ)
         billboardRot.second.setTo(rotX - rotXY, -rotZ, rotYZ - rotXZ)
-        render(worldRenderer, partialTickTime)
+        render(buffer, partialTicks)
     }
     /**
      * Render a particle quad.
@@ -67,7 +70,7 @@ abstract class AbstractEntityFX(world: World, x: Double, y: Double, z: Double) :
                            prevPos: Double3 = this.prevPos,
                            size: Double = particleScale.toDouble(),
                            rotation: Int = 0,
-                           icon: TextureAtlasSprite = particleTexture,
+                           icon: TextureAtlasSprite = sprite,
                            isMirrored: Boolean = false,
                            alpha: Float = this.particleAlpha) {
 
@@ -115,7 +118,8 @@ abstract class AbstractEntityFX(world: World, x: Double, y: Double, z: Double) :
             .endVertex()
     }
 
-    override fun getFXLayer() = 1
+    //    override fun getFXLayer() = 1
+    override fun getRenderType(): IParticleRenderType = IParticleRenderType.PARTICLE_SHEET_TRANSLUCENT
 
     fun setColor(color: Int) {
         particleBlue = (color and 255) / 256.0f

src/main/kotlin/mods/octarinecore/client/render/BlockContext.kt

@@ -0,0 +1,71 @@
+package mods.octarinecore.client.render
+
+import mods.octarinecore.common.*
+import mods.octarinecore.semiRandom
+import net.minecraft.block.Block
+import net.minecraft.block.BlockState
+import net.minecraft.client.renderer.BlockRendererDispatcher
+import net.minecraft.client.renderer.BufferBuilder
+import net.minecraft.util.BlockRenderLayer
+import net.minecraft.util.Direction
+import net.minecraft.util.math.BlockPos
+import net.minecraft.world.IBlockReader
+import net.minecraft.world.IEnviromentBlockReader
+import net.minecraft.world.World
+import net.minecraft.world.biome.Biome
+import java.util.*
+
+/**
+ * Represents the block being rendered. Has properties and methods to query the neighborhood of the block in
+ * block-relative coordinates.
+ */
+interface BlockCtx {
+    val world: IEnviromentBlockReader
+    val pos: BlockPos
+
+    fun offset(dir: Direction) = offset(dir.offset)
+    fun offset(offset: Int3): BlockCtx
+
+    val state: BlockState get() = world.getBlockState(pos)
+    fun state(dir: Direction) = world.getBlockState(pos + dir.offset)
+    fun state(offset: Int3) = world.getBlockState(pos + offset)
+
+    val biome: Biome get() = world.getBiome(pos)
+
+    val isNormalCube: Boolean get() = state.isNormalCube(world, pos)
+
+    fun shouldSideBeRendered(side: Direction) = Block.shouldSideBeRendered(state, world, pos, side)
+
+    /** Get a semi-random value based on the block coordinate and the given seed. */
+    fun semiRandom(seed: Int) = semiRandom(pos.x, pos.y, pos.z, seed)
+
+    /** Get an array of semi-random values based on the block coordinate. */
+    fun semiRandomArray(num: Int): Array<Int> = Array(num) { semiRandom(it) }
+}
+
+open class BasicBlockCtx(
+    override val world: IEnviromentBlockReader,
+    override val pos: BlockPos
+) : BlockCtx {
+    override var state: BlockState = world.getBlockState(pos)
+        protected set
+    override fun offset(offset: Int3) = BasicBlockCtx(world, pos + offset)
+    fun cache() = CachedBlockCtx(world, pos)
+}
+
+open class CachedBlockCtx(world: IEnviromentBlockReader, pos: BlockPos) : BasicBlockCtx(world, pos) {
+    var neighbors = Array<BlockState>(6) { world.getBlockState(pos + allDirections[it].offset) }
+    override var biome: Biome = world.getBiome(pos)
+    override fun state(dir: Direction) = neighbors[dir.ordinal]
+}
+
+
+data class RenderCtx(
+    val dispatcher: BlockRendererDispatcher,
+    val renderBuffer: BufferBuilder,
+    val layer: BlockRenderLayer,
+    val random: Random
+) {
+    fun render(worldBlock: BlockCtx) = dispatcher.renderBlock(worldBlock.state, worldBlock.pos, worldBlock.world, renderBuffer, random, null)
+}
+

src/main/kotlin/mods/octarinecore/client/render/CombinedContext.kt

@@ -0,0 +1,101 @@
+package mods.octarinecore.client.render
+
+import mods.betterfoliage.client.render.canRenderInCutout
+import mods.betterfoliage.client.render.isCutout
+import mods.octarinecore.BufferBuilder
+import mods.octarinecore.BufferBuilder_setSprite
+import mods.octarinecore.client.render.lighting.*
+import mods.octarinecore.common.Double3
+import mods.octarinecore.common.Int3
+import mods.octarinecore.common.Rotation
+import mods.octarinecore.common.plus
+import mods.octarinecore.metaprog.get
+import mods.octarinecore.metaprog.set
+import net.minecraft.block.Blocks
+import net.minecraft.fluid.Fluids
+import net.minecraft.util.Direction
+import net.minecraft.util.math.BlockPos
+import net.minecraft.world.IEnviromentBlockReader
+import net.minecraft.world.LightType
+import net.minecraft.world.biome.Biomes
+
+class CombinedContext(
+    val blockCtx: BlockCtx, val renderCtx: RenderCtx, val lightingCtx: DefaultLightingCtx
+) : BlockCtx by blockCtx, LightingCtx by lightingCtx {
+
+    var hasRendered = false
+
+    fun render(force: Boolean = false) = renderCtx.let {
+        if (force || state.canRenderInLayer(it.layer) || (state.canRenderInCutout() && it.layer.isCutout)) {
+            it.render(blockCtx)
+            hasRendered = true
+        }
+        Unit
+    }
+
+    fun exchange(moddedOffset: Int3, targetOffset: Int3) = CombinedContext(
+        BasicBlockCtx(OffsetEnvBlockReader(blockCtx.world, pos + moddedOffset, pos + targetOffset), pos),
+        renderCtx,
+        lightingCtx
+    )
+
+    val isCutout = renderCtx.layer.isCutout
+
+    /** Get the centerpoint of the block being rendered. */
+    val blockCenter: Double3 get() = Double3(pos.x + 0.5, pos.y + 0.5, pos.z + 0.5)
+
+    /** Holds final vertex data before it goes to the [Tessellator]. */
+    val temp = RenderVertex()
+
+    fun render(
+        model: Model,
+        rotation: Rotation = Rotation.identity,
+        translation: Double3 = blockCenter,
+        forceFlat: Boolean = false,
+        quadFilter: (Int, Quad) -> Boolean = { _, _ -> true },
+        icon: QuadIconResolver,
+        postProcess: PostProcessLambda = noPost
+    ) {
+        lightingCtx.modelRotation = rotation
+        model.quads.forEachIndexed { quadIdx, quad ->
+            if (quadFilter(quadIdx, quad)) {
+                val drawIcon = icon(this, quadIdx, quad)
+                if (drawIcon != null) {
+                    // let OptiFine know the texture we're using, so it can
+                    // transform UV coordinates to quad-relative
+                    BufferBuilder_setSprite.invoke(renderCtx.renderBuffer, drawIcon)
+
+                    quad.verts.forEachIndexed { vertIdx, vert ->
+                        temp.init(vert).rotate(lightingCtx.modelRotation).translate(translation)
+                        val shader = if (lightingCtx.aoEnabled && !forceFlat) vert.aoShader else vert.flatShader
+                        shader.shade(lightingCtx, temp)
+                        temp.postProcess(this, quadIdx, quad, vertIdx, vert)
+                        temp.setIcon(drawIcon)
+
+                        renderCtx.renderBuffer
+                            .pos(temp.x, temp.y, temp.z)
+                            .color(temp.red, temp.green, temp.blue, 1.0f)
+                            .tex(temp.u, temp.v)
+                            .lightmap(temp.brightness shr 16 and 65535, temp.brightness and 65535)
+                            .endVertex()
+                    }
+                }
+            }
+        }
+        hasRendered = true
+    }
+}
+
+val allFaces: (Direction) -> Boolean = { true }
+val topOnly: (Direction) -> Boolean = { it == Direction.UP }
+
+/** Perform no post-processing */
+val noPost: PostProcessLambda = { _, _, _, _, _ -> }
+
+object NonNullWorld : IEnviromentBlockReader {
+    override fun getBlockState(pos: BlockPos) = Blocks.AIR.defaultState
+    override fun getLightFor(type: LightType, pos: BlockPos) = 0
+    override fun getFluidState(pos: BlockPos) = Fluids.EMPTY.defaultState
+    override fun getTileEntity(pos: BlockPos) = null
+    override fun getBiome(pos: BlockPos) = Biomes.THE_VOID
+}

src/main/kotlin/mods/octarinecore/client/render/Model.kt

@@ -1,9 +1,10 @@
 package mods.octarinecore.client.render
 
+import mods.octarinecore.client.render.lighting.*
 import mods.octarinecore.common.*
 import mods.octarinecore.minmax
 import mods.octarinecore.replace
-import net.minecraft.util.EnumFacing
+import net.minecraft.util.Direction
 import java.lang.Math.max
 import java.lang.Math.min
 
@@ -40,13 +41,13 @@ data class UV(val u: Double, val v: Double) {
  *
  * @param[xyz] x, y, z coordinates
  * @param[uv] u, v coordinates
- * @param[aoShader] [Shader] instance to use with AO rendering
- * @param[flatShader] [Shader] instance to use with non-AO rendering
+ * @param[aoShader] [ModelLighter] instance to use with AO rendering
+ * @param[flatShader] [ModelLighter] instance to use with non-AO rendering
  */
 data class Vertex(val xyz: Double3 = Double3(0.0, 0.0, 0.0),
                   val uv: UV = UV(0.0, 0.0),
-                  val aoShader: Shader = NoShader,
-                  val flatShader: Shader = NoShader)
+                  val aoShader: ModelLighter = NoLighting,
+                  val flatShader: ModelLighter = NoLighting)
 
 /**
  * Model quad
@@ -59,7 +60,7 @@ data class Quad(val v1: Vertex, val v2: Vertex, val v3: Vertex, val v4: Vertex)
     val normal: Double3 get() = (v2.xyz - v1.xyz).cross(v4.xyz - v1.xyz).normalize
 
     fun move(trans: Double3) = transformV { it.copy(xyz = it.xyz + trans) }
-    fun move(trans: Pair<Double, EnumFacing>) = move(Double3(trans.second) * trans.first)
+    fun move(trans: Pair<Double, Direction>) = move(Double3(trans.second) * trans.first)
     fun scale (scale: Double) = transformV { it.copy(xyz = it.xyz * scale) }
     fun scale (scale: Double3) = transformV { it.copy(xyz = Double3(it.xyz.x * scale.x, it.xyz.y * scale.y, it.xyz.z * scale.z)) }
     fun scaleUV (scale: Double) = transformV { it.copy(uv = UV(it.uv.u * scale, it.uv.v * scale)) }
@@ -78,7 +79,7 @@ data class Quad(val v1: Vertex, val v2: Vertex, val v3: Vertex, val v4: Vertex)
         transformVI { vertex, idx ->
             if (!predicate(vertex, idx)) vertex else vertex.copy(flatShader = factory(this@Quad, vertex))
         }
-    fun setFlatShader(shader: Shader) = transformVI { vertex, idx -> vertex.copy(flatShader = shader) }
+    fun setFlatShader(shader: ModelLighter) = transformVI { vertex, idx -> vertex.copy(flatShader = shader) }
     val flipped: Quad get() = Quad(v4, v3, v2, v1)
 
     fun cycleVertices(n: Int) = when(n % 4) {
@@ -123,10 +124,10 @@ class Model() {
         )
     }
 
-    fun faceQuad(face: EnumFacing): Quad {
+    fun faceQuad(face: Direction): Quad {
         val base = face.vec * 0.5
-        val top = faceCorners[face.ordinal].topLeft.first.vec * 0.5
-        val left = faceCorners[face.ordinal].topLeft.second.vec * 0.5
+        val top = boxFaces[face].top * 0.5
+        val left = boxFaces[face].left * 0.5
         return Quad(
                 Vertex(base + top + left, UV.topLeft),
                 Vertex(base - top + left, UV.bottomLeft),
@@ -137,7 +138,7 @@ class Model() {
 }
 
 val fullCube = Model().apply {
-    forgeDirs.forEach {
+    allDirections.forEach {
         faceQuad(it)
         .setAoShader(faceOrientedAuto(corner = cornerAo(it.axis), edge = null))
         .setFlatShader(faceOrientedAuto(corner = cornerFlat, edge = null))

src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt

@@ -1,181 +0,0 @@
-package mods.octarinecore.client.render
-
-import mods.betterfoliage.loader.Refs
-import mods.octarinecore.common.*
-import net.minecraft.client.Minecraft
-import net.minecraft.client.renderer.BufferBuilder
-import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.util.EnumFacing
-import net.minecraft.util.EnumFacing.*
-
-typealias QuadIconResolver = (ShadingContext, Int, Quad) -> TextureAtlasSprite?
-typealias PostProcessLambda = RenderVertex.(ShadingContext, Int, Quad, Int, Vertex) -> Unit
-
-class ModelRenderer : ShadingContext() {
-
-    /** Holds final vertex data before it goes to the [Tessellator]. */
-    val temp = RenderVertex()
-
-    /**
-     * Render a [Model].
-     * The [blockContext] and [renderBlocks] need to be set up correctly, including first rendering the
-     * corresponding block to capture shading values!
-     *
-     * @param[model] model to render
-     * @param[rot] rotation to apply to the model
-     * @param[trans] translation to apply to the model
-     * @param[forceFlat] force flat shading even if AO is enabled
-     * @param[icon] lambda to resolve the texture to use for each quad
-     * @param[rotateUV] lambda to get amount of UV rotation for each quad
-     * @param[postProcess] lambda to perform arbitrary modifications on the [RenderVertex] just before it goes to the [Tessellator]
-     */
-    fun render(
-        worldRenderer: BufferBuilder,
-        model: Model,
-        rot: Rotation = Rotation.identity,
-        trans: Double3 = blockContext.blockCenter,
-        forceFlat: Boolean = false,
-        quadFilter: (Int, Quad) -> Boolean = { _, _ -> true },
-        icon: QuadIconResolver,
-        postProcess: PostProcessLambda
-    ) {
-        rotation = rot
-        aoEnabled = Minecraft.isAmbientOcclusionEnabled()
-
-        // make sure we have space in the buffer for our quads plus one
-        worldRenderer.ensureSpaceForQuads(model.quads.size + 1)
-
-        model.quads.forEachIndexed { quadIdx, quad ->
-            if (quadFilter(quadIdx, quad)) {
-                val drawIcon = icon(this, quadIdx, quad)
-                if (drawIcon != null) {
-                    // let OptiFine know the texture we're using, so it can
-                    // transform UV coordinates to quad-relative
-                    Refs.quadSprite.set(worldRenderer, drawIcon)
-
-                    quad.verts.forEachIndexed { vertIdx, vert ->
-                        temp.init(vert).rotate(rotation).translate(trans)
-                        val shader = if (aoEnabled && !forceFlat) vert.aoShader else vert.flatShader
-                        shader.shade(this, temp)
-                        temp.postProcess(this, quadIdx, quad, vertIdx, vert)
-                        temp.setIcon(drawIcon)
-
-                        worldRenderer
-                            .pos(temp.x, temp.y, temp.z)
-                            .color(temp.red, temp.green, temp.blue, 1.0f)
-                            .tex(temp.u, temp.v)
-                            .lightmap(temp.brightness shr 16 and 65535, temp.brightness and 65535)
-                            .endVertex()
-                    }
-                }
-            }
-        }
-    }
-}
-
-/**
- * Queried by [Shader] objects to get rendering-relevant data of the current block in a rotated frame of reference.
- */
-open class ShadingContext {
-    var rotation = Rotation.identity
-    var aoEnabled = Minecraft.isAmbientOcclusionEnabled()
-    val aoFaces = Array(6) { AoFaceData(forgeDirs[it]) }
-
-    val EnumFacing.aoMultiplier: Float get() = when(this) {
-        UP -> 1.0f
-        DOWN -> 0.5f
-        NORTH, SOUTH -> 0.8f
-        EAST, WEST -> 0.6f
-    }
-
-    fun updateShading(offset: Int3, predicate: (EnumFacing) -> Boolean = { true }) {
-        forgeDirs.forEach { if (predicate(it)) aoFaces[it.ordinal].update(offset, multiplier = it.aoMultiplier) }
-    }
-
-    fun aoShading(face: EnumFacing, corner1: EnumFacing, corner2: EnumFacing) =
-        aoFaces[face.rotate(rotation).ordinal][corner1.rotate(rotation), corner2.rotate(rotation)]
-
-    fun blockData(offset: Int3) = blockContext.blockData(offset.rotate(rotation))
-}
-
-/**
- *
- */
-@Suppress("NOTHING_TO_INLINE")
-class RenderVertex() {
-    var x: Double = 0.0
-    var y: Double = 0.0
-    var z: Double = 0.0
-    var u: Double = 0.0
-    var v: Double = 0.0
-    var brightness: Int = 0
-    var red: Float = 0.0f
-    var green: Float = 0.0f
-    var blue: Float = 0.0f
-
-    val rawData = IntArray(7)
-
-    fun init(vertex: Vertex, rot: Rotation, trans: Double3): RenderVertex {
-        val result = vertex.xyz.rotate(rot) + trans
-        x = result.x; y = result.y; z = result.z
-        return this
-    }
-    fun init(vertex: Vertex): RenderVertex {
-        x = vertex.xyz.x; y = vertex.xyz.y; z = vertex.xyz.z;
-        u = vertex.uv.u; v = vertex.uv.v
-        return this
-    }
-    fun translate(trans: Double3): RenderVertex { x += trans.x; y += trans.y; z += trans.z; return this }
-    fun rotate(rot: Rotation): RenderVertex {
-        if (rot === Rotation.identity) return this
-        val rotX = rot.rotatedComponent(EAST, x, y, z)
-        val rotY = rot.rotatedComponent(UP, x, y, z)
-        val rotZ = rot.rotatedComponent(SOUTH, x, y, z)
-        x = rotX; y = rotY; z = rotZ
-        return this
-    }
-    inline fun rotateUV(n: Int): RenderVertex {
-        when (n % 4) {
-            1 -> { val t = v; v = -u; u = t; return this }
-            2 -> { u = -u; v = -v; return this }
-            3 -> { val t = -v; v = u; u = t; return this }
-            else -> { return this }
-        }
-    }
-    inline fun mirrorUV(mirrorU: Boolean, mirrorV: Boolean) {
-        if (mirrorU) u = -u
-        if (mirrorV) v = -v
-    }
-    inline fun setIcon(icon: TextureAtlasSprite): RenderVertex {
-        u = (icon.maxU - icon.minU) * (u + 0.5) + icon.minU
-        v = (icon.maxV - icon.minV) * (v + 0.5) + icon.minV
-        return this
-    }
-
-    inline fun setGrey(level: Float) {
-        val grey = Math.min((red + green + blue) * 0.333f * level, 1.0f)
-        red = grey; green = grey; blue = grey
-    }
-    inline fun multiplyColor(color: Int) {
-        red *= (color shr 16 and 255) / 256.0f
-        green *= (color shr 8 and 255) / 256.0f
-        blue *= (color and 255) / 256.0f
-    }
-    inline fun setColor(color: Int) {
-        red = (color shr 16 and 255) / 256.0f
-        green = (color shr 8 and 255) / 256.0f
-        blue = (color and 255) / 256.0f
-    }
-
-}
-
-fun BufferBuilder.ensureSpaceForQuads(num: Int) {
-    rawIntBuffer.position(bufferSize)
-    growBuffer(num * vertexFormat.size)
-}
-
-val allFaces: (EnumFacing) -> Boolean = { true }
-val topOnly: (EnumFacing) -> Boolean = { it == UP }
-
-/** Perform no post-processing */
-val noPost: PostProcessLambda = { _, _, _, _, _ -> }

src/main/kotlin/mods/octarinecore/client/render/OffsetBlockAccess.kt

@@ -1,44 +0,0 @@
-package mods.octarinecore.client.render
-
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.plus
-import net.minecraft.util.EnumFacing
-import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-
-/**
- * Delegating [IBlockAccess] that fakes a _modified_ location to return values from a _target_ location.
- * All other locations are handled normally.
- *
- * @param[original] the [IBlockAccess] that is delegated to
- */
-@Suppress("NOTHING_TO_INLINE")
-class OffsetBlockAccess(val original: IBlockAccess, val modded: BlockPos, val target: BlockPos) : IBlockAccess {
-
-    inline fun actualPos(pos: BlockPos?) =
-        if (pos != null && pos.x == modded.x && pos.y == modded.y && pos.z == modded.z) target else pos
-
-    override fun getBiome(pos: BlockPos?) = original.getBiome(actualPos(pos))
-    override fun getBlockState(pos: BlockPos?) = original.getBlockState(actualPos(pos))
-    override fun getCombinedLight(pos: BlockPos?, lightValue: Int) = original.getCombinedLight(actualPos(pos), lightValue)
-    override fun getStrongPower(pos: BlockPos?, direction: EnumFacing?) = original.getStrongPower(actualPos(pos), direction)
-    override fun getTileEntity(pos: BlockPos?) = original.getTileEntity(actualPos(pos))
-    override fun getWorldType() = original.worldType
-    override fun isAirBlock(pos: BlockPos?) = original.isAirBlock(actualPos(pos))
-    override fun isSideSolid(pos: BlockPos?, side: EnumFacing?, _default: Boolean) = original.isSideSolid(actualPos(pos), side, _default)
-}
-/**
- * Temporarily replaces the [IBlockAccess] used by this [BlockContext] and the corresponding [ExtendedRenderBlocks]
- * to use an [OffsetBlockAccess] while executing this lambda.
- *
- * @param[modded] the _modified_ location
- * @param[target] the _target_ location
- * @param[func] the lambda to execute
- */
-inline fun <reified T> BlockContext.withOffset(modded: Int3, target: Int3, func: () -> T): T {
-    val original = world!!
-    world = OffsetBlockAccess(original, pos + modded, pos + target)
-    val result = func()
-    world = original
-    return result
-}

src/main/kotlin/mods/octarinecore/client/render/OffsetBlockReader.kt

@@ -0,0 +1,52 @@
+package mods.octarinecore.client.render
+
+import mods.octarinecore.common.Int3
+import mods.octarinecore.common.plus
+import net.minecraft.util.math.BlockPos
+import net.minecraft.world.IBlockReader
+import net.minecraft.world.IEnviromentBlockReader
+import net.minecraft.world.LightType
+
+/**
+ * Delegating [IBlockAccess] that fakes a _modified_ location to return values from a _target_ location.
+ * All other locations are handled normally.
+ *
+ * @param[original] the [IBlockAccess] that is delegated to
+ */
+@Suppress("NOTHING_TO_INLINE", "NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS", "HasPlatformType")
+open class OffsetBlockReader(open val original: IBlockReader, val modded: BlockPos, val target: BlockPos) : IBlockReader {
+    inline fun actualPos(pos: BlockPos) = if (pos != null && pos.x == modded.x && pos.y == modded.y && pos.z == modded.z) target else pos
+
+    override fun getBlockState(pos: BlockPos) = original.getBlockState(actualPos(pos))
+    override fun getTileEntity(pos: BlockPos) = original.getTileEntity(actualPos(pos))
+    override fun getFluidState(pos: BlockPos) = original.getFluidState(actualPos(pos))
+}
+
+@Suppress("NOTHING_TO_INLINE", "NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS", "HasPlatformType")
+class OffsetEnvBlockReader(val original: IEnviromentBlockReader, val modded: BlockPos, val target: BlockPos) : IEnviromentBlockReader by original {
+    inline fun actualPos(pos: BlockPos) = if (pos != null && pos.x == modded.x && pos.y == modded.y && pos.z == modded.z) target else pos
+
+    override fun getBlockState(pos: BlockPos) = original.getBlockState(actualPos(pos))
+    override fun getTileEntity(pos: BlockPos) = original.getTileEntity(actualPos(pos))
+    override fun getFluidState(pos: BlockPos) = original.getFluidState(actualPos(pos))
+
+    override fun getLightFor(type: LightType, pos: BlockPos) = original.getLightFor(type, actualPos(pos))
+    override fun getCombinedLight(pos: BlockPos, light: Int) = original.getCombinedLight(actualPos(pos), light)
+    override fun getBiome(pos: BlockPos) = original.getBiome(actualPos(pos))
+}
+
+/**
+ * Temporarily replaces the [IBlockReader] used by this [BlockContext] and the corresponding [ExtendedRenderBlocks]
+ * to use an [OffsetEnvBlockReader] while executing this lambda.
+ *
+ * @param[modded] the _modified_ location
+ * @param[target] the _target_ location
+ * @param[func] the lambda to execute
+ */
+//inline fun <reified T> BlockContext.withOffset(modded: Int3, target: Int3, func: () -> T): T {
+//    val original = reader!!
+//    reader = OffsetEnvBlockReader(original, pos + modded, pos + target)
+//    val result = func()
+//    reader = original
+//    return result
+//}

src/main/kotlin/mods/octarinecore/client/render/PixelFormat.kt

@@ -1,69 +0,0 @@
-@file:JvmName("PixelFormat")
-package mods.octarinecore.client.render
-
-import java.awt.Color
-
-/** List of bit-shift offsets in packed brightness values where meaningful (4-bit) data is contained. */
-var brightnessComponents = listOf(20, 4)
-
-/** Multiply the components of this packed brightness value with the given [Float]. */
-infix fun Int.brMul(f: Float): Int {
-    val weight = (f * 256.0f).toInt()
-    var result = 0
-    brightnessComponents.forEach { shift ->
-        val raw = (this shr shift) and 15
-        val weighted = (raw) * weight / 256
-        result = result or (weighted shl shift)
-    }
-    return result
-}
-
-/** Multiply the components of this packed color value with the given [Float]. */
-infix fun Int.colorMul(f: Float): Int {
-    val weight = (f * 256.0f).toInt()
-    val red = (this shr 16 and 255) * weight / 256
-    val green = (this shr 8 and 255) * weight / 256
-    val blue = (this and 255) * weight / 256
-    return (red shl 16) or (green shl 8) or blue
-}
-
-/** Sum the components of all packed brightness values given. */
-fun brSum(multiplier: Float?, vararg brightness: Int): Int {
-    val sum = Array(brightnessComponents.size) { 0 }
-    brightnessComponents.forEachIndexed { idx, shift -> brightness.forEach { br ->
-        val comp = (br shr shift) and 15
-        sum[idx] += comp
-    } }
-    var result = 0
-    brightnessComponents.forEachIndexed { idx, shift ->
-        val comp = if (multiplier == null)
-            ((sum[idx]) shl shift)
-        else
-            ((sum[idx].toFloat() * multiplier).toInt() shl shift)
-        result = result or comp
-    }
-    return result
-}
-
-fun brWeighted(br1: Int, weight1: Float, br2: Int, weight2: Float): Int {
-    val w1int = (weight1 * 256.0f + 0.5f).toInt()
-    val w2int = (weight2 * 256.0f + 0.5f).toInt()
-    var result = 0
-    brightnessComponents.forEachIndexed { idx, shift ->
-        val comp1 = (br1 shr shift) and 15
-        val comp2 = (br2 shr shift) and 15
-        val compWeighted = (comp1 * w1int + comp2 * w2int) / 256
-        result = result or ((compWeighted and 15) shl shift)
-    }
-    return result
-}
-
-data class HSB(var hue: Float, var saturation: Float, var brightness: Float) {
-    companion object {
-        fun fromColor(color: Int): HSB {
-            val hsbVals = Color.RGBtoHSB((color shr 16) and 255, (color shr 8) and 255, color and 255, null)
-            return HSB(hsbVals[0], hsbVals[1], hsbVals[2])
-        }
-    }
-    val asColor: Int get() = Color.HSBtoRGB(hue, saturation, brightness)
-}

src/main/kotlin/mods/octarinecore/client/render/RenderDecorator.kt

@@ -0,0 +1,45 @@
+@file:JvmName("RendererHolder")
+package mods.octarinecore.client.render
+
+import mods.betterfoliage.client.render.canRenderInCutout
+import mods.betterfoliage.client.render.isCutout
+import mods.octarinecore.ThreadLocalDelegate
+import mods.octarinecore.client.resource.ResourceHandler
+import mods.octarinecore.common.Double3
+import mods.octarinecore.common.Int3
+import mods.octarinecore.common.allDirOffsets
+import mods.octarinecore.common.plus
+import mods.octarinecore.semiRandom
+import net.minecraft.block.Block
+import net.minecraft.block.BlockState
+import net.minecraft.client.Minecraft
+import net.minecraft.client.renderer.BlockRendererDispatcher
+import net.minecraft.client.renderer.BufferBuilder
+import net.minecraft.client.renderer.color.BlockColors
+import net.minecraft.util.BlockRenderLayer
+import net.minecraft.util.Direction
+import net.minecraft.util.math.BlockPos
+import net.minecraft.util.math.MathHelper
+import net.minecraft.world.IEnviromentBlockReader
+import net.minecraft.world.biome.Biome
+import net.minecraftforge.client.model.data.IModelData
+import net.minecraftforge.eventbus.api.IEventBus
+import java.util.*
+import kotlin.math.abs
+
+abstract class RenderDecorator(modId: String, modBus: IEventBus) : ResourceHandler(modId, modBus) {
+
+    open val renderOnCutout: Boolean get() = true
+    open val onlyOnCutout: Boolean get() = false
+
+    // ============================
+    // Custom rendering
+    // ============================
+    abstract fun isEligible(ctx: CombinedContext): Boolean
+    abstract fun render(ctx: CombinedContext)
+
+}
+
+data class BlockData(val state: BlockState, val color: Int, val brightness: Int)
+
+

src/main/kotlin/mods/octarinecore/client/render/Shaders.kt

@@ -1,155 +0,0 @@
-package mods.octarinecore.client.render
-
-import mods.octarinecore.common.*
-import net.minecraft.util.EnumFacing
-
-
-const val defaultCornerDimming = 0.5f
-const val defaultEdgeDimming = 0.8f
-
-// ================================
-// Shader instantiation lambdas
-// ================================
-fun cornerAo(fallbackAxis: EnumFacing.Axis): CornerShaderFactory = { face, dir1, dir2 ->
-    val fallbackDir = listOf(face, dir1, dir2).find { it.axis == fallbackAxis }!!
-    CornerSingleFallback(face, dir1, dir2, fallbackDir)
-}
-val cornerFlat = { face: EnumFacing, dir1: EnumFacing, dir2: EnumFacing -> FaceFlat(face) }
-fun cornerAoTri(func: (AoData, AoData)-> AoData) = { face: EnumFacing, dir1: EnumFacing, dir2: EnumFacing ->
-    CornerTri(face, dir1, dir2, func)
-}
-val cornerAoMaxGreen = cornerAoTri { s1, s2 -> if (s1.green > s2.green) s1 else s2 }
-
-fun cornerInterpolate(edgeAxis: EnumFacing.Axis, weight: Float, dimming: Float): CornerShaderFactory = { dir1, dir2, dir3 ->
-    val edgeDir = listOf(dir1, dir2, dir3).find { it.axis == edgeAxis }!!
-    val faceDirs = listOf(dir1, dir2, dir3).filter { it.axis != edgeAxis }
-    CornerInterpolateDimming(faceDirs[0], faceDirs[1], edgeDir, weight, dimming)
-}
-
-// ================================
-// Shaders
-// ================================
-object NoShader : Shader {
-    override fun shade(context: ShadingContext, vertex: RenderVertex) = vertex.shade(AoData.black)
-    override fun rotate(rot: Rotation) = this
-}
-
-class CornerSingleFallback(val face: EnumFacing, val dir1: EnumFacing, val dir2: EnumFacing, val fallbackDir: EnumFacing, val fallbackDimming: Float = defaultCornerDimming) : Shader {
-    val offset = Int3(fallbackDir)
-    override fun shade(context: ShadingContext, vertex: RenderVertex) {
-        val shading = context.aoShading(face, dir1, dir2)
-        if (shading.valid)
-            vertex.shade(shading)
-        else context.blockData(offset).let {
-            vertex.shade(it.brightness brMul fallbackDimming, it.color colorMul fallbackDimming)
-        }
-    }
-    override fun rotate(rot: Rotation) = CornerSingleFallback(face.rotate(rot), dir1.rotate(rot), dir2.rotate(rot), fallbackDir.rotate(rot), fallbackDimming)
-}
-
-inline fun accumulate(v1: AoData?, v2: AoData?, func: ((AoData, AoData)-> AoData)): AoData? {
-    val v1ok = v1 != null && v1.valid
-    val v2ok = v2 != null && v2.valid
-    if (v1ok && v2ok) return func(v1!!, v2!!)
-    if (v1ok) return v1
-    if (v2ok) return v2
-    return null
-}
-
-class CornerTri(val face: EnumFacing, val dir1: EnumFacing, val dir2: EnumFacing,
-                val func: ((AoData, AoData)-> AoData)) : Shader {
-    override fun shade(context: ShadingContext, vertex: RenderVertex) {
-        var acc = accumulate(
-            context.aoShading(face, dir1, dir2),
-            context.aoShading(dir1, face, dir2),
-            func)
-        acc = accumulate(
-            acc,
-            context.aoShading(dir2, face, dir1),
-            func)
-        vertex.shade(acc ?: AoData.black)
-    }
-    override fun rotate(rot: Rotation) = CornerTri(face.rotate(rot), dir1.rotate(rot), dir2.rotate(rot), func)
-}
-
-class EdgeInterpolateFallback(val face: EnumFacing, val edgeDir: EnumFacing, val pos: Double, val fallbackDimming: Float = defaultEdgeDimming): Shader {
-    val offset = Int3(edgeDir)
-    val edgeAxis = axes.find { it != face.axis && it != edgeDir.axis }!!
-    val weightN = (0.5 - pos).toFloat()
-    val weightP = (0.5 + pos).toFloat()
-
-    override fun shade(context: ShadingContext, vertex: RenderVertex) {
-        val shadingP = context.aoShading(face, edgeDir, (edgeAxis to EnumFacing.AxisDirection.POSITIVE).face)
-        val shadingN = context.aoShading(face, edgeDir, (edgeAxis to EnumFacing.AxisDirection.NEGATIVE).face)
-        if (!shadingP.valid && !shadingN.valid) context.blockData(offset).let {
-            return vertex.shade(it.brightness brMul fallbackDimming, it.color colorMul fallbackDimming)
-        }
-        if (!shadingP.valid) return vertex.shade(shadingN)
-        if (!shadingN.valid) return vertex.shade(shadingP)
-        vertex.shade(shadingP, shadingN, weightP, weightN)
-    }
-    override fun rotate(rot: Rotation) = EdgeInterpolateFallback(face.rotate(rot), edgeDir.rotate(rot), pos)
-}
-
-class CornerInterpolateDimming(val face1: EnumFacing, val face2: EnumFacing, val edgeDir: EnumFacing,
-                               val weight: Float, val dimming: Float, val fallbackDimming: Float = defaultCornerDimming) : Shader {
-    val offset = Int3(edgeDir)
-    override fun shade(context: ShadingContext, vertex: RenderVertex) {
-        var shading1 = context.aoShading(face1, edgeDir, face2)
-        var shading2 = context.aoShading(face2, edgeDir, face1)
-        var weight1 = weight
-        var weight2 = 1.0f - weight
-        if (!shading1.valid && !shading2.valid) context.blockData(offset).let {
-            return vertex.shade(it.brightness brMul fallbackDimming, it.color colorMul fallbackDimming)
-        }
-        if (!shading1.valid) { shading1 = shading2; weight1 *= dimming }
-        if (!shading2.valid) { shading2 = shading1; weight2 *= dimming }
-        vertex.shade(shading1, shading2, weight1, weight2)
-    }
-
-    override fun rotate(rot: Rotation) =
-        CornerInterpolateDimming(face1.rotate(rot), face2.rotate(rot), edgeDir.rotate(rot), weight, dimming, fallbackDimming)
-}
-
-class FaceCenter(val face: EnumFacing): Shader {
-    override fun shade(context: ShadingContext, vertex: RenderVertex) {
-        vertex.red = 0.0f; vertex.green = 0.0f; vertex.blue = 0.0f;
-        val b = IntArray(4)
-        faceCorners[face.ordinal].asList.forEachIndexed { idx, corner ->
-            val shading = context.aoShading(face, corner.first, corner.second)
-            vertex.red += shading.red
-            vertex.green += shading.green
-            vertex.blue += shading.blue
-            b[idx] = shading.brightness
-        }
-        vertex.apply { red *= 0.25f; green *= 0.25f; blue *= 0.25f }
-        vertex.brightness = brSum(0.25f, *b)
-    }
-    override fun rotate(rot: Rotation) = FaceCenter(face.rotate(rot))
-}
-
-class FaceFlat(val face: EnumFacing): Shader {
-    override fun shade(context: ShadingContext, vertex: RenderVertex) {
-        val color = context.blockData(Int3.zero).color
-        vertex.shade(context.blockData(face.offset).brightness, color)
-    }
-    override fun rotate(rot: Rotation): Shader = FaceFlat(face.rotate(rot))
-}
-
-class FlatOffset(val offset: Int3): Shader {
-    override fun shade(context: ShadingContext, vertex: RenderVertex)  {
-        context.blockData(offset).let {
-            vertex.brightness = it.brightness
-            vertex.setColor(it.color)
-        }
-    }
-    override fun rotate(rot: Rotation): Shader = this
-}
-
-class FlatOffsetNoColor(val offset: Int3): Shader {
-    override fun shade(context: ShadingContext, vertex: RenderVertex)  {
-        vertex.brightness = context.blockData(offset).brightness
-        vertex.red = 1.0f; vertex.green = 1.0f; vertex.blue = 1.0f
-    }
-    override fun rotate(rot: Rotation): Shader = this
-}

src/main/kotlin/mods/octarinecore/client/render/Shading.kt

@@ -1,192 +0,0 @@
-package mods.octarinecore.client.render
-
-import mods.betterfoliage.loader.Refs
-import mods.octarinecore.common.*
-import mods.octarinecore.metaprog.allAvailable
-import net.minecraft.client.Minecraft
-import net.minecraft.client.renderer.BlockModelRenderer
-import net.minecraft.util.EnumFacing
-import net.minecraft.util.EnumFacing.*
-import java.lang.Math.min
-import java.util.*
-
-typealias EdgeShaderFactory = (EnumFacing, EnumFacing) -> Shader
-typealias CornerShaderFactory = (EnumFacing, EnumFacing, EnumFacing) -> Shader
-typealias ShaderFactory = (Quad, Vertex) -> Shader
-
-/** Holds shading values for block corners as calculated by vanilla Minecraft rendering. */
-class AoData() {
-    var valid = false
-    var brightness = 0
-    var red: Float = 0.0f
-    var green: Float = 0.0f
-    var blue: Float = 0.0f
-
-    fun reset() { valid = false }
-
-    fun set(brightness: Int, red: Float, green: Float, blue: Float) {
-        if (valid) return
-        this.valid = true
-        this.brightness = brightness
-        this.red = red
-        this.green = green
-        this.blue = blue
-    }
-
-    fun set(brightness: Int, colorMultiplier: Float) {
-        this.valid = true
-        this.brightness = brightness
-        this.red = colorMultiplier
-        this.green = colorMultiplier
-        this.blue = colorMultiplier
-    }
-
-    companion object {
-        val black = AoData()
-    }
-}
-
-class AoFaceData(val face: EnumFacing) {
-    val ao = Refs.AmbientOcclusionFace.element!!.getDeclaredConstructor(Refs.BlockModelRenderer.element!!)
-        .newInstance(BlockModelRenderer(Minecraft.getMinecraft().blockColors))
-        as BlockModelRenderer.AmbientOcclusionFace
-
-    val top = faceCorners[face.ordinal].topLeft.first
-    val left = faceCorners[face.ordinal].topLeft.second
-
-    val topLeft = AoData()
-    val topRight = AoData()
-    val bottomLeft = AoData()
-    val bottomRight = AoData()
-    val ordered = when(face) {
-        DOWN -> listOf(topLeft, bottomLeft, bottomRight, topRight)
-        UP -> listOf(bottomRight, topRight, topLeft, bottomLeft)
-        NORTH -> listOf(bottomLeft, bottomRight, topRight, topLeft)
-        SOUTH -> listOf(topLeft, bottomLeft, bottomRight, topRight)
-        WEST -> listOf(bottomLeft, bottomRight, topRight, topLeft)
-        EAST -> listOf(topRight, topLeft, bottomLeft, bottomRight)
-    }
-
-    fun update(offset: Int3, useBounds: Boolean = false, multiplier: Float = 1.0f) {
-        val ctx = blockContext
-        val blockState = ctx.blockState(offset)
-        val quadBounds: FloatArray = FloatArray(12)
-        val flags = BitSet(3).apply { set(0) }
-
-        ao.updateVertexBrightness(ctx.world, blockState, ctx.pos + offset, face, quadBounds, flags)
-        ordered.forEachIndexed { idx, aoData -> aoData.set(ao.vertexBrightness[idx], ao.vertexColorMultiplier[idx] * multiplier) }
-    }
-
-    operator fun get(dir1: EnumFacing, dir2: EnumFacing): AoData {
-        val isTop = top == dir1 || top == dir2
-        val isLeft = left == dir1 || left == dir2
-        return if (isTop) {
-            if (isLeft) topLeft else topRight
-        } else {
-            if (isLeft) bottomLeft else bottomRight
-        }
-    }
-}
-
-/**
- * Instances of this interface are associated with [Model] vertices, and used to apply brightness and color
- * values to a [RenderVertex].
- */
-interface Shader {
-    /**
-     * Set shading values of a [RenderVertex]
-     *
-     * @param[context] context that can be queried for shading data in a [Model]-relative frame of reference
-     * @param[vertex] the [RenderVertex] to manipulate
-     */
-    fun shade(context: ShadingContext, vertex: RenderVertex)
-
-    /**
-     * Return a new rotated version of this [Shader]. Used during [Model] setup when rotating the model itself.
-     */
-    fun rotate(rot: Rotation): Shader
-
-    /** Set all shading values on the [RenderVertex] to match the given [AoData]. */
-    fun RenderVertex.shade(shading: AoData) {
-        brightness = shading.brightness; red = shading.red; green = shading.green; blue = shading.blue
-    }
-
-    /** Set the shading values on the [RenderVertex] to a weighted average of the two [AoData] instances. */
-    fun RenderVertex.shade(shading1: AoData, shading2: AoData, weight1: Float = 0.5f, weight2: Float = 0.5f) {
-        red = min(shading1.red * weight1 + shading2.red * weight2, 1.0f)
-        green = min(shading1.green * weight1 + shading2.green * weight2, 1.0f)
-        blue = min(shading1.blue * weight1 + shading2.blue * weight2, 1.0f)
-        brightness = brWeighted(shading1.brightness, weight1, shading2.brightness, weight2)
-    }
-
-    /**
-     * Set the shading values on the [RenderVertex] directly.
-     *
-     * @param[brightness] packed brightness value
-     * @param[color] packed color value
-     */
-    fun RenderVertex.shade(brightness: Int, color: Int) {
-        this.brightness = brightness; setColor(color)
-    }
-}
-
-/**
- * Returns a shader resolver for quads that point towards one of the 6 block faces.
- * The resolver works the following way:
- *   - determines which face the _quad_ normal points towards (if not overridden)
- *   - determines the distance of the _vertex_ to the corners and edge midpoints on that block face
- *   - if _corner_ is given, and the _vertex_ is closest to a block corner, returns the [Shader] created by _corner_
- *   - if _edge_ is given, and the _vertex_ is closest to an edge midpoint, returns the [Shader] created by _edge_
- *
- * @param[overrideFace] assume the given face instead of going by the _quad_ normal
- * @param[corner] shader instantiation lambda for corner vertices
- * @param[edge] shader instantiation lambda for edge midpoint vertices
- */
-fun faceOrientedAuto(overrideFace: EnumFacing? = null,
-                     corner: CornerShaderFactory? = null,
-                     edge: EdgeShaderFactory? = null) =
-    fun(quad: Quad, vertex: Vertex): Shader {
-        val quadFace = overrideFace ?: quad.normal.nearestCardinal
-        val nearestCorner = nearestPosition(vertex.xyz, faceCorners[quadFace.ordinal].asList) {
-            (quadFace.vec + it.first.vec + it.second.vec) * 0.5
-        }
-        val nearestEdge = nearestPosition(vertex.xyz, quadFace.perpendiculars) {
-            (quadFace.vec + it.vec) * 0.5
-        }
-        if (edge != null && (nearestEdge.second < nearestCorner.second || corner == null))
-            return edge(quadFace, nearestEdge.first)
-        else return corner!!(quadFace, nearestCorner.first.first, nearestCorner.first.second)
-    }
-
-/**
- * Returns a shader resolver for quads that point towards one of the 12 block edges.
- * The resolver works the following way:
- *   - determines which edge the _quad_ normal points towards (if not overridden)
- *   - determines which face midpoint the _vertex_ is closest to, of the 2 block faces that share this edge
- *   - determines which block corner _of this face_ the _vertex_ is closest to
- *   - returns the [Shader] created by _corner_
- *
- * @param[overrideEdge] assume the given edge instead of going by the _quad_ normal
- * @param[corner] shader instantiation lambda
- */
-fun edgeOrientedAuto(overrideEdge: Pair<EnumFacing, EnumFacing>? = null,
-                     corner: CornerShaderFactory) =
-    fun(quad: Quad, vertex: Vertex): Shader {
-        val edgeDir = overrideEdge ?: nearestAngle(quad.normal, boxEdges) { it.first.vec + it.second.vec }.first
-        val nearestFace = nearestPosition(vertex.xyz, edgeDir.toList()) { it.vec }.first
-        val nearestCorner = nearestPosition(vertex.xyz, faceCorners[nearestFace.ordinal].asList) {
-            (nearestFace.vec + it.first.vec + it.second.vec) * 0.5
-        }.first
-        return corner(nearestFace, nearestCorner.first, nearestCorner.second)
-    }
-
-fun faceOrientedInterpolate(overrideFace: EnumFacing? = null) =
-    fun(quad: Quad, vertex: Vertex): Shader {
-        val resolver = faceOrientedAuto(overrideFace, edge = { face, edgeDir ->
-            val axis = axes.find { it != face.axis && it != edgeDir.axis }!!
-            val vec = Double3((axis to EnumFacing.AxisDirection.POSITIVE).face)
-            val pos = vertex.xyz.dot(vec)
-            EdgeInterpolateFallback(face, edgeDir, pos)
-        })
-        return resolver(quad, vertex)
-    }

src/main/kotlin/mods/octarinecore/client/render/lighting/Lighting.kt

@@ -0,0 +1,146 @@
+package mods.octarinecore.client.render.lighting
+
+import mods.octarinecore.client.render.*
+import mods.octarinecore.common.*
+import net.minecraft.util.Direction
+import net.minecraft.util.Direction.*
+import java.lang.Math.min
+
+typealias EdgeShaderFactory = (Direction, Direction) -> ModelLighter
+typealias CornerShaderFactory = (Direction, Direction, Direction) -> ModelLighter
+typealias ShaderFactory = (Quad, Vertex) -> ModelLighter
+
+/** Holds lighting values for block corners as calculated by vanilla Minecraft rendering. */
+class CornerLightData {
+    var valid = false
+    var brightness = 0
+    var red: Float = 0.0f
+    var green: Float = 0.0f
+    var blue: Float = 0.0f
+
+    fun reset() { valid = false }
+
+    fun set(brightness: Int, red: Float, green: Float, blue: Float) {
+        if (valid) return
+        this.valid = true
+        this.brightness = brightness
+        this.red = red
+        this.green = green
+        this.blue = blue
+    }
+
+    fun set(brightness: Int, colorMultiplier: Float) {
+        this.valid = true
+        this.brightness = brightness
+        this.red = colorMultiplier
+        this.green = colorMultiplier
+        this.blue = colorMultiplier
+    }
+
+    companion object {
+        val black: CornerLightData get() = CornerLightData()
+    }
+}
+
+/**
+ * Instances of this interface are associated with [Model] vertices, and used to apply brightness and color
+ * values to a [RenderVertex].
+ */
+interface ModelLighter {
+    /**
+     * Set shading values of a [RenderVertex]
+     *
+     * @param[context] context that can be queried for lighting data in a [Model]-relative frame of reference
+     * @param[vertex] the [RenderVertex] to manipulate
+     */
+    fun shade(context: LightingCtx, vertex: RenderVertex)
+
+    /**
+     * Return a new rotated version of this [ModelLighter]. Used during [Model] setup when rotating the model itself.
+     */
+    fun rotate(rot: Rotation): ModelLighter
+
+    /** Set all lighting values on the [RenderVertex] to match the given [CornerLightData]. */
+    fun RenderVertex.shade(shading: CornerLightData) {
+        brightness = shading.brightness; red = shading.red; green = shading.green; blue = shading.blue
+    }
+
+    /** Set the lighting values on the [RenderVertex] to a weighted average of the two [CornerLightData] instances. */
+    fun RenderVertex.shade(shading1: CornerLightData, shading2: CornerLightData, weight1: Float = 0.5f, weight2: Float = 0.5f) {
+        red = min(shading1.red * weight1 + shading2.red * weight2, 1.0f)
+        green = min(shading1.green * weight1 + shading2.green * weight2, 1.0f)
+        blue = min(shading1.blue * weight1 + shading2.blue * weight2, 1.0f)
+        brightness = brWeighted(shading1.brightness, weight1, shading2.brightness, weight2)
+    }
+
+    /**
+     * Set the lighting values on the [RenderVertex] directly.
+     *
+     * @param[brightness] packed brightness value
+     * @param[color] packed color value
+     */
+    fun RenderVertex.shade(brightness: Int, color: Int) {
+        this.brightness = brightness; setColor(color)
+    }
+}
+
+/**
+ * Returns a [ModelLighter] resolver for quads that point towards one of the 6 block faces.
+ * The resolver works the following way:
+ *   - determines which face the _quad_ normal points towards (if not overridden)
+ *   - determines the distance of the _vertex_ to the corners and edge midpoints on that block face
+ *   - if _corner_ is given, and the _vertex_ is closest to a block corner, returns the [ModelLighter] created by _corner_
+ *   - if _edge_ is given, and the _vertex_ is closest to an edge midpoint, returns the [ModelLighter] created by _edge_
+ *
+ * @param[overrideFace] assume the given face instead of going by the _quad_ normal
+ * @param[corner] [ModelLighter] instantiation lambda for corner vertices
+ * @param[edge] [ModelLighter] instantiation lambda for edge midpoint vertices
+ */
+fun faceOrientedAuto(overrideFace: Direction? = null,
+                     corner: CornerShaderFactory? = null,
+                     edge: EdgeShaderFactory? = null) =
+    fun(quad: Quad, vertex: Vertex): ModelLighter {
+        val quadFace = overrideFace ?: quad.normal.nearestCardinal
+        val nearestCorner = nearestPosition(vertex.xyz, boxFaces[quadFace].allCorners) {
+            (quadFace.vec + it.first.vec + it.second.vec) * 0.5
+        }
+        val nearestEdge = nearestPosition(vertex.xyz, quadFace.perpendiculars) {
+            (quadFace.vec + it.vec) * 0.5
+        }
+        if (edge != null && (nearestEdge.second < nearestCorner.second || corner == null))
+            return edge(quadFace, nearestEdge.first)
+        else return corner!!(quadFace, nearestCorner.first.first, nearestCorner.first.second)
+    }
+
+/**
+ * Returns a ModelLighter resolver for quads that point towards one of the 12 block edges.
+ * The resolver works the following way:
+ *   - determines which edge the _quad_ normal points towards (if not overridden)
+ *   - determines which face midpoint the _vertex_ is closest to, of the 2 block faces that share this edge
+ *   - determines which block corner _of this face_ the _vertex_ is closest to
+ *   - returns the [ModelLighter] created by _corner_
+ *
+ * @param[overrideEdge] assume the given edge instead of going by the _quad_ normal
+ * @param[corner] ModelLighter instantiation lambda
+ */
+fun edgeOrientedAuto(overrideEdge: Pair<Direction, Direction>? = null,
+                     corner: CornerShaderFactory) =
+    fun(quad: Quad, vertex: Vertex): ModelLighter {
+        val edgeDir = overrideEdge ?: nearestAngle(quad.normal, boxEdges) { it.first.vec + it.second.vec }.first
+        val nearestFace = nearestPosition(vertex.xyz, edgeDir.toList()) { it.vec }.first
+        val nearestCorner = nearestPosition(vertex.xyz, boxFaces[nearestFace].allCorners) {
+            (nearestFace.vec + it.first.vec + it.second.vec) * 0.5
+        }.first
+        return corner(nearestFace, nearestCorner.first, nearestCorner.second)
+    }
+
+fun faceOrientedInterpolate(overrideFace: Direction? = null) =
+    fun(quad: Quad, vertex: Vertex): ModelLighter {
+        val resolver = faceOrientedAuto(overrideFace, edge = { face, edgeDir ->
+            val axis = axes.find { it != face.axis && it != edgeDir.axis }!!
+            val vec = Double3((axis to AxisDirection.POSITIVE).face)
+            val pos = vertex.xyz.dot(vec)
+            EdgeInterpolateFallback(face, edgeDir, pos)
+        })
+        return resolver(quad, vertex)
+    }

src/main/kotlin/mods/octarinecore/client/render/lighting/LightingContext.kt

@@ -0,0 +1,111 @@
+package mods.octarinecore.client.render.lighting
+
+import mods.octarinecore.client.render.BlockCtx
+import mods.octarinecore.common.*
+import net.minecraft.client.Minecraft
+import net.minecraft.client.renderer.BlockModelRenderer
+import net.minecraft.util.Direction
+import net.minecraft.world.IEnviromentBlockReader
+import java.util.*
+
+val Direction.aoMultiplier: Float get() = when(this) {
+    Direction.UP -> 1.0f
+    Direction.DOWN -> 0.5f
+    Direction.NORTH, Direction.SOUTH -> 0.8f
+    Direction.EAST, Direction.WEST -> 0.6f
+}
+
+interface LightingCtx {
+    val modelRotation: Rotation
+    val blockContext: BlockCtx
+    val aoEnabled: Boolean
+
+    val brightness get() = brightness(Int3.zero)
+    val color get() = color(Int3.zero)
+    fun brightness(face: Direction) = brightness(face.offset)
+    fun color(face: Direction) = color(face.offset)
+
+    fun brightness(offset: Int3) = offset.rotate(modelRotation).let {
+        blockContext.state(it).getPackedLightmapCoords(blockContext.world, blockContext.pos + it)
+    }
+    fun color(offset: Int3) = blockContext.offset(offset.rotate(modelRotation)).let { Minecraft.getInstance().blockColors.getColor(it.state, it.world, it.pos, 0) }
+
+    fun lighting(face: Direction, corner1: Direction, corner2: Direction): CornerLightData
+}
+
+class DefaultLightingCtx(blockContext: BlockCtx) : LightingCtx {
+    override var modelRotation = Rotation.identity
+
+    override var aoEnabled = false
+        protected set
+    override var blockContext: BlockCtx = blockContext
+        protected set
+    override var brightness = brightness(Int3.zero)
+        protected set
+    override var color = color(Int3.zero)
+        protected set
+
+    override fun brightness(face: Direction) = brightness(face.offset)
+    override fun color(face: Direction) = color(face.offset)
+
+    // smooth lighting stuff
+    val lightingData = Array(6) { FaceLightData(allDirections[it]) }
+    override fun lighting(face: Direction, corner1: Direction, corner2: Direction): CornerLightData = lightingData[face.rotate(modelRotation)].let { faceData ->
+        if (!faceData.isValid) faceData.update(blockContext, faceData.face.aoMultiplier)
+        return faceData[corner1.rotate(modelRotation), corner2.rotate(modelRotation)]
+    }
+
+    fun reset(blockContext: BlockCtx) {
+        this.blockContext = blockContext
+        brightness = brightness(Int3.zero)
+        color = color(Int3.zero)
+        modelRotation = Rotation.identity
+        lightingData.forEach { it.isValid = false }
+        aoEnabled = Minecraft.isAmbientOcclusionEnabled()
+//        allDirections.forEach { lightingData[it].update(blockContext, it.aoMultiplier) }
+    }
+}
+
+private val vanillaAOFactory = BlockModelRenderer.AmbientOcclusionFace::class.java.let {
+    it.getDeclaredConstructor(BlockModelRenderer::class.java).apply { isAccessible = true }
+}.let { ctor -> { ctor.newInstance(Minecraft.getInstance().blockRendererDispatcher.blockModelRenderer) } }
+
+class FaceLightData(val face: Direction) {
+    val topDir = boxFaces[face].top
+    val leftDir = boxFaces[face].left
+
+    val topLeft = CornerLightData()
+    val topRight = CornerLightData()
+    val bottomLeft = CornerLightData()
+    val bottomRight = CornerLightData()
+
+    val vanillaOrdered = when(face) {
+        Direction.DOWN -> listOf(topLeft, bottomLeft, bottomRight, topRight)
+        Direction.UP -> listOf(bottomRight, topRight, topLeft, bottomLeft)
+        Direction.NORTH -> listOf(bottomLeft, bottomRight, topRight, topLeft)
+        Direction.SOUTH -> listOf(topLeft, bottomLeft, bottomRight, topRight)
+        Direction.WEST -> listOf(bottomLeft, bottomRight, topRight, topLeft)
+        Direction.EAST -> listOf(topRight, topLeft, bottomLeft, bottomRight)
+    }
+
+    val delegate = vanillaAOFactory()
+    var isValid = false
+
+    fun update(blockCtx: BlockCtx, multiplier: Float) {
+        val quadBounds = FloatArray(12)
+        val flags = BitSet(3).apply { set(0) }
+        delegate.updateVertexBrightness(blockCtx.world, blockCtx.state, blockCtx.pos, face, quadBounds, flags)
+        vanillaOrdered.forEachIndexed { idx, corner -> corner.set(delegate.vertexBrightness[idx], delegate.vertexColorMultiplier[idx] * multiplier) }
+        isValid = true
+    }
+
+    operator fun get(dir1: Direction, dir2: Direction): CornerLightData {
+        val isTop = topDir == dir1 || topDir == dir2
+        val isLeft = leftDir == dir1 || leftDir == dir2
+        return if (isTop) {
+            if (isLeft) topLeft else topRight
+        } else {
+            if (isLeft) bottomLeft else bottomRight
+        }
+    }
+}

src/main/kotlin/mods/octarinecore/client/render/lighting/ModelLighters.kt

@@ -0,0 +1,152 @@
+package mods.octarinecore.client.render.lighting
+
+import mods.octarinecore.common.*
+import net.minecraft.util.Direction
+
+
+const val defaultCornerDimming = 0.5f
+const val defaultEdgeDimming = 0.8f
+
+// ================================
+// Shader instantiation lambdas
+// ================================
+fun cornerAo(fallbackAxis: Direction.Axis): CornerShaderFactory = { face, dir1, dir2 ->
+    val fallbackDir = listOf(face, dir1, dir2).find { it.axis == fallbackAxis }!!
+    CornerSingleFallback(face, dir1, dir2, fallbackDir)
+}
+val cornerFlat = { face: Direction, dir1: Direction, dir2: Direction -> FaceFlat(face) }
+fun cornerAoTri(func: (CornerLightData, CornerLightData)-> CornerLightData) = { face: Direction, dir1: Direction, dir2: Direction ->
+    CornerTri(face, dir1, dir2, func)
+}
+val cornerAoMaxGreen = cornerAoTri { s1, s2 -> if (s1.green > s2.green) s1 else s2 }
+
+fun cornerInterpolate(edgeAxis: Direction.Axis, weight: Float, dimming: Float): CornerShaderFactory = { dir1, dir2, dir3 ->
+    val edgeDir = listOf(dir1, dir2, dir3).find { it.axis == edgeAxis }!!
+    val faceDirs = listOf(dir1, dir2, dir3).filter { it.axis != edgeAxis }
+    CornerInterpolateDimming(faceDirs[0], faceDirs[1], edgeDir, weight, dimming)
+}
+
+// ================================
+// Shaders
+// ================================
+object NoLighting : ModelLighter {
+    override fun shade(context: LightingCtx, vertex: RenderVertex) = vertex.shade(CornerLightData.black)
+    override fun rotate(rot: Rotation) = this
+}
+
+class CornerSingleFallback(val face: Direction, val dir1: Direction, val dir2: Direction, val fallbackDir: Direction, val fallbackDimming: Float = defaultCornerDimming) : ModelLighter {
+    val offset = Int3(fallbackDir)
+    override fun shade(context: LightingCtx, vertex: RenderVertex) {
+        val shading = context.lighting(face, dir1, dir2)
+        if (shading.valid)
+            vertex.shade(shading)
+        else {
+            vertex.shade(context.brightness(offset) brMul fallbackDimming, context.color(offset) colorMul fallbackDimming)
+        }
+    }
+    override fun rotate(rot: Rotation) = CornerSingleFallback(face.rotate(rot), dir1.rotate(rot), dir2.rotate(rot), fallbackDir.rotate(rot), fallbackDimming)
+}
+
+inline fun accumulate(v1: CornerLightData?, v2: CornerLightData?, func: ((CornerLightData, CornerLightData)-> CornerLightData)): CornerLightData? {
+    val v1ok = v1 != null && v1.valid
+    val v2ok = v2 != null && v2.valid
+    if (v1ok && v2ok) return func(v1!!, v2!!)
+    if (v1ok) return v1
+    if (v2ok) return v2
+    return null
+}
+
+class CornerTri(val face: Direction, val dir1: Direction, val dir2: Direction,
+                val func: ((CornerLightData, CornerLightData)-> CornerLightData)) : ModelLighter {
+    override fun shade(context: LightingCtx, vertex: RenderVertex) {
+        var acc = accumulate(
+            context.lighting(face, dir1, dir2),
+            context.lighting(dir1, face, dir2),
+            func)
+        acc = accumulate(
+            acc,
+            context.lighting(dir2, face, dir1),
+            func)
+        vertex.shade(acc ?: CornerLightData.black)
+    }
+    override fun rotate(rot: Rotation) = CornerTri(face.rotate(rot), dir1.rotate(rot), dir2.rotate(rot), func)
+}
+
+class EdgeInterpolateFallback(val face: Direction, val edgeDir: Direction, val pos: Double, val fallbackDimming: Float = defaultEdgeDimming): ModelLighter {
+    val offset = Int3(edgeDir)
+    val edgeAxis = axes.find { it != face.axis && it != edgeDir.axis }!!
+    val weightN = (0.5 - pos).toFloat()
+    val weightP = (0.5 + pos).toFloat()
+
+    override fun shade(context: LightingCtx, vertex: RenderVertex) {
+        val shadingP = context.lighting(face, edgeDir, (edgeAxis to Direction.AxisDirection.POSITIVE).face)
+        val shadingN = context.lighting(face, edgeDir, (edgeAxis to Direction.AxisDirection.NEGATIVE).face)
+        if (!shadingP.valid && !shadingN.valid)  {
+            return vertex.shade(context.brightness(offset) brMul fallbackDimming, context.color(offset) colorMul fallbackDimming)
+        }
+        if (!shadingP.valid) return vertex.shade(shadingN)
+        if (!shadingN.valid) return vertex.shade(shadingP)
+        vertex.shade(shadingP, shadingN, weightP, weightN)
+    }
+    override fun rotate(rot: Rotation) = EdgeInterpolateFallback(face.rotate(rot), edgeDir.rotate(rot), pos)
+}
+
+class CornerInterpolateDimming(val face1: Direction, val face2: Direction, val edgeDir: Direction,
+                               val weight: Float, val dimming: Float, val fallbackDimming: Float = defaultCornerDimming) : ModelLighter {
+    val offset = Int3(edgeDir)
+    override fun shade(context: LightingCtx, vertex: RenderVertex) {
+        var shading1 = context.lighting(face1, edgeDir, face2)
+        var shading2 = context.lighting(face2, edgeDir, face1)
+        var weight1 = weight
+        var weight2 = 1.0f - weight
+        if (!shading1.valid && !shading2.valid) {
+            return vertex.shade(context.brightness(offset) brMul fallbackDimming, context.color(offset) colorMul fallbackDimming)
+        }
+        if (!shading1.valid) { shading1 = shading2; weight1 *= dimming }
+        if (!shading2.valid) { shading2 = shading1; weight2 *= dimming }
+        vertex.shade(shading1, shading2, weight1, weight2)
+    }
+
+    override fun rotate(rot: Rotation) =
+        CornerInterpolateDimming(face1.rotate(rot), face2.rotate(rot), edgeDir.rotate(rot), weight, dimming, fallbackDimming)
+}
+
+class FaceCenter(val face: Direction): ModelLighter {
+    override fun shade(context: LightingCtx, vertex: RenderVertex) {
+        vertex.red = 0.0f; vertex.green = 0.0f; vertex.blue = 0.0f;
+        val b = IntArray(4)
+        boxFaces[face].allCorners.forEachIndexed { idx, corner ->
+            val shading = context.lighting(face, corner.first, corner.second)
+            vertex.red += shading.red
+            vertex.green += shading.green
+            vertex.blue += shading.blue
+            b[idx] = shading.brightness
+        }
+        vertex.apply { red *= 0.25f; green *= 0.25f; blue *= 0.25f }
+        vertex.brightness = brSum(0.25f, *b)
+    }
+    override fun rotate(rot: Rotation) = FaceCenter(face.rotate(rot))
+}
+
+class FaceFlat(val face: Direction): ModelLighter {
+    override fun shade(context: LightingCtx, vertex: RenderVertex) {
+        vertex.shade(context.brightness(face.offset), context.color(Int3.zero))
+    }
+    override fun rotate(rot: Rotation): ModelLighter = FaceFlat(face.rotate(rot))
+}
+
+class FlatOffset(val offset: Int3): ModelLighter {
+    override fun shade(context: LightingCtx, vertex: RenderVertex)  {
+        vertex.brightness = context.brightness(offset)
+        vertex.setColor(context.color(offset))
+    }
+    override fun rotate(rot: Rotation): ModelLighter = this
+}
+
+class FlatOffsetNoColor(val offset: Int3): ModelLighter {
+    override fun shade(context: LightingCtx, vertex: RenderVertex)  {
+        vertex.brightness = context.brightness(offset)
+        vertex.red = 1.0f; vertex.green = 1.0f; vertex.blue = 1.0f
+    }
+    override fun rotate(rot: Rotation): ModelLighter = this
+}

src/main/kotlin/mods/octarinecore/client/render/lighting/PixelFormat.kt

@@ -0,0 +1,5 @@
+@file:JvmName("PixelFormat")
+package mods.octarinecore.client.render.lighting
+
+import java.awt.Color
+

src/main/kotlin/mods/octarinecore/client/render/lighting/Vertex.kt

@@ -0,0 +1,146 @@
+package mods.octarinecore.client.render.lighting
+
+import mods.octarinecore.client.render.CombinedContext
+import mods.octarinecore.client.render.Quad
+import mods.octarinecore.client.render.Vertex
+import mods.octarinecore.common.Double3
+import mods.octarinecore.common.Rotation
+import net.minecraft.client.renderer.texture.TextureAtlasSprite
+import net.minecraft.util.Direction.*
+import java.awt.Color
+
+typealias QuadIconResolver = (CombinedContext, Int, Quad) -> TextureAtlasSprite?
+typealias PostProcessLambda = RenderVertex.(CombinedContext, Int, Quad, Int, Vertex) -> Unit
+
+@Suppress("NOTHING_TO_INLINE")
+class RenderVertex {
+    var x: Double = 0.0
+    var y: Double = 0.0
+    var z: Double = 0.0
+    var u: Double = 0.0
+    var v: Double = 0.0
+    var brightness: Int = 0
+    var red: Float = 0.0f
+    var green: Float = 0.0f
+    var blue: Float = 0.0f
+
+    val rawData = IntArray(7)
+
+    fun init(vertex: Vertex, rot: Rotation, trans: Double3): RenderVertex {
+        val result = vertex.xyz.rotate(rot) + trans
+        x = result.x; y = result.y; z = result.z
+        return this
+    }
+    fun init(vertex: Vertex): RenderVertex {
+        x = vertex.xyz.x; y = vertex.xyz.y; z = vertex.xyz.z;
+        u = vertex.uv.u; v = vertex.uv.v
+        return this
+    }
+    fun translate(trans: Double3): RenderVertex { x += trans.x; y += trans.y; z += trans.z; return this }
+    fun rotate(rot: Rotation): RenderVertex {
+        if (rot === Rotation.identity) return this
+        val rotX = rot.rotatedComponent(EAST, x, y, z)
+        val rotY = rot.rotatedComponent(UP, x, y, z)
+        val rotZ = rot.rotatedComponent(SOUTH, x, y, z)
+        x = rotX; y = rotY; z = rotZ
+        return this
+    }
+    inline fun rotateUV(n: Int): RenderVertex {
+        when (n % 4) {
+            1 -> { val t = v; v = -u; u = t; return this }
+            2 -> { u = -u; v = -v; return this }
+            3 -> { val t = -v; v = u; u = t; return this }
+            else -> { return this }
+        }
+    }
+    inline fun mirrorUV(mirrorU: Boolean, mirrorV: Boolean) {
+        if (mirrorU) u = -u
+        if (mirrorV) v = -v
+    }
+    inline fun setIcon(icon: TextureAtlasSprite): RenderVertex {
+        u = (icon.maxU - icon.minU) * (u + 0.5) + icon.minU
+        v = (icon.maxV - icon.minV) * (v + 0.5) + icon.minV
+        return this
+    }
+
+    inline fun setGrey(level: Float) {
+        val grey = Math.min((red + green + blue) * 0.333f * level, 1.0f)
+        red = grey; green = grey; blue = grey
+    }
+    inline fun multiplyColor(color: Int) {
+        red *= (color shr 16 and 255) / 256.0f
+        green *= (color shr 8 and 255) / 256.0f
+        blue *= (color and 255) / 256.0f
+    }
+    inline fun setColor(color: Int) {
+        red = (color shr 16 and 255) / 256.0f
+        green = (color shr 8 and 255) / 256.0f
+        blue = (color and 255) / 256.0f
+    }
+
+}
+
+/** List of bit-shift offsets in packed brightness values where meaningful (4-bit) data is contained. */
+var brightnessComponents = listOf(20, 4)
+
+/** Multiply the components of this packed brightness value with the given [Float]. */
+infix fun Int.brMul(f: Float): Int {
+    val weight = (f * 256.0f).toInt()
+    var result = 0
+    brightnessComponents.forEach { shift ->
+        val raw = (this shr shift) and 15
+        val weighted = (raw) * weight / 256
+        result = result or (weighted shl shift)
+    }
+    return result
+}
+
+/** Multiply the components of this packed color value with the given [Float]. */
+infix fun Int.colorMul(f: Float): Int {
+    val weight = (f * 256.0f).toInt()
+    val red = (this shr 16 and 255) * weight / 256
+    val green = (this shr 8 and 255) * weight / 256
+    val blue = (this and 255) * weight / 256
+    return (red shl 16) or (green shl 8) or blue
+}
+
+/** Sum the components of all packed brightness values given. */
+fun brSum(multiplier: Float?, vararg brightness: Int): Int {
+    val sum = Array(brightnessComponents.size) { 0 }
+    brightnessComponents.forEachIndexed { idx, shift -> brightness.forEach { br ->
+        val comp = (br shr shift) and 15
+        sum[idx] += comp
+    } }
+    var result = 0
+    brightnessComponents.forEachIndexed { idx, shift ->
+        val comp = if (multiplier == null)
+            ((sum[idx]) shl shift)
+        else
+            ((sum[idx].toFloat() * multiplier).toInt() shl shift)
+        result = result or comp
+    }
+    return result
+}
+
+fun brWeighted(br1: Int, weight1: Float, br2: Int, weight2: Float): Int {
+    val w1int = (weight1 * 256.0f + 0.5f).toInt()
+    val w2int = (weight2 * 256.0f + 0.5f).toInt()
+    var result = 0
+    brightnessComponents.forEachIndexed { idx, shift ->
+        val comp1 = (br1 shr shift) and 15
+        val comp2 = (br2 shr shift) and 15
+        val compWeighted = (comp1 * w1int + comp2 * w2int) / 256
+        result = result or ((compWeighted and 15) shl shift)
+    }
+    return result
+}
+
+data class HSB(var hue: Float, var saturation: Float, var brightness: Float) {
+    companion object {
+        fun fromColor(color: Int): HSB {
+            val hsbVals = Color.RGBtoHSB((color shr 16) and 255, (color shr 8) and 255, color and 255, null)
+            return HSB(hsbVals[0], hsbVals[1], hsbVals[2])
+        }
+    }
+    val asColor: Int get() = Color.HSBtoRGB(hue, saturation, brightness)
+}

src/main/kotlin/mods/octarinecore/client/resource/AsyncSpriteProviderManager.kt

@@ -0,0 +1,95 @@
+package mods.octarinecore.client.resource
+
+import mods.betterfoliage.client.resource.Identifier
+import mods.betterfoliage.client.resource.Sprite
+import mods.octarinecore.common.map
+import net.minecraft.client.renderer.texture.AtlasTexture
+import net.minecraft.client.renderer.texture.MissingTextureSprite
+import net.minecraft.profiler.IProfiler
+import net.minecraft.resources.IResourceManager
+import java.util.*
+import java.util.concurrent.CompletableFuture
+
+/**
+ * Main entry point to atlas manipulation. Called from mixins that wrap [AtlasTexture.stitch] calls.
+ *
+ * 1. All registered providers receive an [AsyncSpriteProvider.setup] call. Providers can set up their
+ *   processing chain at this point, but should not do anything yet except configuration and housekeeping.
+ * 2. The [CompletableFuture] of the stitch source finishes, starting the "discovery" phase. Providers
+ *   may register sprites in the [AtlasFuture].
+ * 3. After all providers finish their discovery, the atlas is stitched.
+ * 4. The [AtlasFuture] finishes, starting the "cleanup" phase. All [AtlasFuture.runAfter] and
+ *   [AtlasFuture.mapAfter] tasks are processed.
+ * 5. After all providers finish their cleanup, we return to the original code path.
+ */
+class AsnycSpriteProviderManager<SOURCE: Any>(val profilerSection: String) {
+
+    val providers = mutableListOf<AsyncSpriteProvider<SOURCE>>()
+
+    /**
+     * Needed in order to keep the actual [AtlasTexture.stitch] call in the original method, in case
+     * other modders want to modify it too.
+     */
+    class StitchWrapper(val idList: Iterable<Identifier>, val onComplete: (AtlasTexture.SheetData)->Unit) {
+        fun complete(sheet: AtlasTexture.SheetData) = onComplete(sheet)
+    }
+
+    var currentAtlas: AtlasFuture? = null
+    var currentPhases: List<StitchPhases> = emptyList()
+
+    @Suppress("UNCHECKED_CAST")
+    fun prepare(sourceObj: Any, manager: IResourceManager, idList: Iterable<Identifier>, profiler: IProfiler): Set<Identifier> {
+        profiler.startSection(profilerSection)
+
+        val source = CompletableFuture<SOURCE>()
+        currentAtlas = AtlasFuture(idList)
+
+        currentPhases = providers.map { it.setup(manager, source, currentAtlas!!) }
+        source.complete(sourceObj as SOURCE)
+        currentPhases.forEach { it.discovery.get() }
+
+        return currentAtlas!!.idSet
+    }
+
+    fun finish(sheetData: AtlasTexture.SheetData, profiler: IProfiler): AtlasTexture.SheetData {
+        currentAtlas!!.complete(sheetData)
+        currentPhases.forEach { it.cleanup.get() }
+        currentAtlas = null
+        currentPhases = emptyList()
+        profiler.endSection()
+        return sheetData
+    }
+}
+
+/**
+ * Provides a way for [AsyncSpriteProvider]s to register sprites to receive [CompletableFuture]s.
+ * Tracks sprite ids that need to be stitched.
+ */
+class AtlasFuture(initial: Iterable<Identifier>) {
+    val idSet = Collections.synchronizedSet(mutableSetOf<Identifier>().apply { addAll(initial) })
+    protected val sheet = CompletableFuture<AtlasTexture.SheetData>()
+    protected val finished = CompletableFuture<Void>()
+
+    fun complete(sheetData: AtlasTexture.SheetData) {
+        sheet.complete(sheetData)
+        finished.complete(null)
+    }
+
+    fun sprite(id: String) = sprite(Identifier(id))
+    fun sprite(id: Identifier): CompletableFuture<Sprite> {
+        idSet.add(id)
+        return sheet.map { sheetData -> sheetData.sprites.find { it.name == id } ?: throw IllegalStateException("Atlas does not contain $id") }
+    }
+    val missing = sheet.map { sheetData -> sheetData.sprites.find { it.name == MissingTextureSprite.getLocation() } }
+    fun <T> mapAfter(supplier: ()->T): CompletableFuture<T> = finished.map{ supplier() }
+    fun runAfter(action: ()->Unit): CompletableFuture<Void> = finished.thenRun(action)
+}
+
+class StitchPhases(
+    val discovery: CompletableFuture<Void>,
+    val cleanup: CompletableFuture<Void>
+)
+
+interface AsyncSpriteProvider<SOURCE: Any> {
+    fun setup(manager: IResourceManager, source: CompletableFuture<SOURCE>, atlas: AtlasFuture): StitchPhases
+}

src/main/kotlin/mods/octarinecore/client/resource/CenteringTextureGenerator.kt

@@ -1,13 +1,17 @@
 package mods.octarinecore.client.resource
 
+import mods.betterfoliage.client.resource.Identifier
+import mods.betterfoliage.client.texture.loadSprite
+import net.minecraft.resources.IResourceManager
 import java.awt.image.BufferedImage
-import java.lang.Math.*
+import java.lang.Math.max
 
-class CenteringTextureGenerator(domain: String, val aspectWidth: Int, val aspectHeight: Int) : TextureGenerator(domain) {
+data class CenteredSprite(val sprite: Identifier, val atlas: Atlas = Atlas.BLOCKS, val aspectHeight: Int = 1, val aspectWidth: Int = 1) {
 
-    override fun generate(params: ParameterList): BufferedImage? {
-        val target = targetResource(params)!!
-        val baseTexture = resourceManager[target.second]?.loadImage() ?: return null
+    fun register(pack: GeneratedBlockTexturePack) = pack.register(this, this::draw)
+
+    fun draw(resourceManager: IResourceManager): ByteArray {
+        val baseTexture = resourceManager.loadSprite(atlas.wrap(sprite))
 
         val frameWidth = baseTexture.width
         val frameHeight = baseTexture.width * aspectHeight / aspectWidth
@@ -18,7 +22,7 @@ class CenteringTextureGenerator(domain: String, val aspectWidth: Int, val aspect
         val graphics = resultTexture.createGraphics()
 
         // iterate all frames
-        for (frame in 0 .. frames - 1) {
+        for (frame in 0 until frames) {
             val baseFrame = baseTexture.getSubimage(0, size * frame, frameWidth, frameHeight)
             val resultFrame = BufferedImage(size, size, BufferedImage.TYPE_4BYTE_ABGR)
 
@@ -28,6 +32,6 @@ class CenteringTextureGenerator(domain: String, val aspectWidth: Int, val aspect
             graphics.drawImage(resultFrame, 0, size * frame, null)
         }
 
-        return resultTexture
+        return resultTexture.bytes
     }
 }

src/main/kotlin/mods/octarinecore/client/resource/ModelDiscovery.kt

@@ -0,0 +1,132 @@
+package mods.octarinecore.client.resource
+
+import com.google.common.base.Joiner
+import mods.betterfoliage.client.resource.ModelIdentifier
+import mods.octarinecore.HasLogger
+import mods.octarinecore.client.render.BlockCtx
+import mods.octarinecore.common.Int3
+import mods.octarinecore.common.config.IBlockMatcher
+import mods.octarinecore.common.config.ModelTextureList
+import mods.octarinecore.common.plus
+import mods.octarinecore.findFirst
+import mods.octarinecore.common.sinkAsync
+import net.minecraft.block.BlockState
+import net.minecraft.client.renderer.BlockModelShapes
+import net.minecraft.client.renderer.model.BlockModel
+import net.minecraft.client.renderer.model.IUnbakedModel
+import net.minecraft.client.renderer.model.ModelBakery
+import net.minecraft.client.renderer.model.VariantList
+import net.minecraft.resources.IResourceManager
+import net.minecraft.util.ResourceLocation
+import net.minecraft.util.math.BlockPos
+import net.minecraft.world.IBlockReader
+import net.minecraftforge.registries.ForgeRegistries
+import java.util.concurrent.CompletableFuture
+
+interface ModelRenderRegistry<T> {
+    operator fun get(ctx: BlockCtx) = get(ctx.state, ctx.world, ctx.pos)
+    operator fun get(ctx: BlockCtx, offset: Int3) = get(ctx.state(offset), ctx.world, ctx.pos + offset)
+    operator fun get(state: BlockState, world: IBlockReader, pos: BlockPos): T?
+}
+
+abstract class ModelRenderRegistryRoot<T> : ModelRenderRegistry<T> {
+    val registries = mutableListOf<ModelRenderRegistry<T>>()
+    override fun get(state: BlockState, world: IBlockReader, pos: BlockPos) = registries.findFirst { it[state, world, pos] }
+}
+
+/**
+ * Information about a single BlockState and all the IUnbakedModel it could render as.
+ */
+class ModelDiscoveryContext(
+    bakery: ModelBakery,
+    val state: BlockState,
+    val modelId: ModelIdentifier
+) {
+    val models = bakery.unwrapVariants(bakery.getUnbakedModel(modelId) to modelId)
+        .filter { it.second != bakery.getUnbakedModel(ModelBakery.MODEL_MISSING) }
+
+    fun ModelBakery.unwrapVariants(modelAndLoc: Pair<IUnbakedModel, ResourceLocation>): List<Pair<IUnbakedModel, ResourceLocation>> = when(val model = modelAndLoc.first) {
+        is VariantList -> model.variantList.flatMap { variant -> unwrapVariants(getUnbakedModel(variant.modelLocation) to variant.modelLocation) }
+        is BlockModel -> listOf(modelAndLoc)
+        else -> emptyList()
+    }
+}
+
+abstract class ModelDiscovery<T> : HasLogger, AsyncSpriteProvider<ModelBakery>, ModelRenderRegistry<T> {
+
+    var modelData: Map<BlockState, T> = emptyMap()
+        protected set
+
+    override fun get(state: BlockState, world: IBlockReader, pos: BlockPos) = modelData[state]
+
+    abstract fun processModel(ctx: ModelDiscoveryContext, atlas: AtlasFuture): CompletableFuture<T>?
+
+    override fun setup(manager: IResourceManager, bakeryF: CompletableFuture<ModelBakery>, atlas: AtlasFuture): StitchPhases {
+        val modelDataTemp = mutableMapOf<BlockState, CompletableFuture<T>>()
+
+        return StitchPhases(
+            discovery = bakeryF.sinkAsync { bakery ->
+                var errors = 0
+                bakery.iterateModels { ctx ->
+                    try {
+                        processModel(ctx, atlas)?.let { modelDataTemp[ctx.state] = it }
+                    } catch (e: Exception) {
+                        errors++
+                    }
+                }
+                log("${modelDataTemp.size} BlockStates discovered, $errors errors")
+            },
+            cleanup = atlas.runAfter {
+                modelData = modelDataTemp.filterValues { !it.isCompletedExceptionally }.mapValues { it.value.get() }
+                val errors = modelDataTemp.values.filter { it.isCompletedExceptionally }.size
+                log("${modelData.size} BlockStates loaded, $errors errors")
+            }
+        )
+    }
+
+    fun ModelBakery.iterateModels(func: (ModelDiscoveryContext)->Unit) {
+        ForgeRegistries.BLOCKS.flatMap { block ->
+            block.stateContainer.validStates.map { state -> state to BlockModelShapes.getModelLocation(state) }
+        }.forEach { (state, stateModelResource) ->
+            func(ModelDiscoveryContext(this, state, stateModelResource))
+        }
+    }
+}
+
+abstract class ConfigurableModelDiscovery<T> : ModelDiscovery<T>() {
+
+    abstract val matchClasses: IBlockMatcher
+    abstract val modelTextures: List<ModelTextureList>
+
+    abstract fun processModel(state: BlockState, textures: List<String>, atlas: AtlasFuture): CompletableFuture<T>?
+
+    override fun processModel(ctx: ModelDiscoveryContext, atlas: AtlasFuture): CompletableFuture<T>? {
+        val matchClass = matchClasses.matchingClass(ctx.state.block) ?: return null
+        log("block state ${ctx.state.toString()}")
+        log("      class ${ctx.state.block.javaClass.name} matches ${matchClass.name}")
+
+        if (ctx.models.isEmpty()) {
+            log("       no models found")
+            return null
+        }
+
+        ctx.models.filter { it.first is BlockModel }.forEach { (model, location) ->
+            model as BlockModel
+            val modelMatch = modelTextures.firstOrNull { (model to location).derivesFrom(it.modelLocation) }
+            if (modelMatch != null) {
+                log("      model ${model} matches ${modelMatch.modelLocation}")
+
+                val textures = modelMatch.textureNames.map { it to model.resolveTextureName(it) }
+                val texMapString = Joiner.on(", ").join(textures.map { "${it.first}=${it.second}" })
+                log("    sprites [$texMapString]")
+
+                if (textures.all { it.second != "missingno" }) {
+                    // found a valid model (all required textures exist)
+                    return processModel(ctx.state, textures.map { it.second}, atlas)
+                }
+            }
+        }
+        return null
+    }
+
+}

src/main/kotlin/mods/octarinecore/client/resource/ModelProcessor.kt

@@ -1,136 +0,0 @@
-package mods.octarinecore.client.resource
-
-import com.google.common.base.Joiner
-import mods.betterfoliage.client.Client
-import mods.betterfoliage.loader.Refs
-import mods.octarinecore.client.render.BlockContext
-import mods.octarinecore.common.Int3
-import mods.octarinecore.common.config.IBlockMatcher
-import mods.octarinecore.common.config.ModelTextureList
-import mods.octarinecore.filterValuesNotNull
-import mods.octarinecore.findFirst
-import net.minecraft.block.Block
-import net.minecraft.block.state.IBlockState
-import net.minecraft.client.renderer.block.model.ModelResourceLocation
-import net.minecraft.client.renderer.block.statemap.DefaultStateMapper
-import net.minecraft.client.renderer.block.statemap.IStateMapper
-import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.client.renderer.texture.TextureMap
-import net.minecraft.util.ResourceLocation
-import net.minecraft.util.math.BlockPos
-import net.minecraft.world.IBlockAccess
-import net.minecraftforge.client.event.TextureStitchEvent
-import net.minecraftforge.client.model.IModel
-import net.minecraftforge.client.model.ModelLoader
-import net.minecraftforge.common.MinecraftForge
-import net.minecraftforge.fml.common.eventhandler.Event
-import net.minecraftforge.fml.common.eventhandler.EventPriority
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
-import org.apache.logging.log4j.Level
-import org.apache.logging.log4j.Logger
-
-class LoadModelDataEvent(val loader: ModelLoader) : Event()
-
-interface ModelRenderRegistry<T> {
-    operator fun get(ctx: BlockContext) = get(ctx.blockState(Int3.zero), ctx.world!!, ctx.pos)
-    operator fun get(state: IBlockState, world: IBlockAccess, pos: BlockPos): T?
-}
-
-interface ModelRenderDataExtractor<T> {
-    fun processModel(state: IBlockState, modelLoc: ModelResourceLocation, model: IModel): ModelRenderKey<T>?
-}
-
-interface ModelRenderKey<T> {
-    val logger: Logger?
-    fun onPreStitch(atlas: TextureMap) {}
-    fun resolveSprites(atlas: TextureMap): T
-}
-
-abstract class ModelRenderRegistryRoot<T> : ModelRenderRegistry<T> {
-    val subRegistries = mutableListOf<ModelRenderRegistry<T>>()
-    override fun get(state: IBlockState, world: IBlockAccess, pos: BlockPos) = subRegistries.findFirst { it[state, world, pos] }
-    fun addRegistry(registry: ModelRenderRegistry<T>) {
-        subRegistries.add(registry)
-        MinecraftForge.EVENT_BUS.register(registry)
-    }
-}
-
-abstract class ModelRenderRegistryBase<T> : ModelRenderRegistry<T>, ModelRenderDataExtractor<T> {
-    open val logger: Logger? = null
-    open val logName: String get() = this::class.java.name
-
-    val stateToKey = mutableMapOf<IBlockState, ModelRenderKey<T>>()
-    var stateToValue = mapOf<IBlockState, T>()
-
-    override fun get(state: IBlockState, world: IBlockAccess, pos: BlockPos) = stateToValue[state]
-
-    @Suppress("UNCHECKED_CAST")
-    @SubscribeEvent
-    fun handleLoadModelData(event: LoadModelDataEvent) {
-        stateToValue = emptyMap()
-
-        val stateMappings = Block.REGISTRY.flatMap { block ->
-            val mapper = event.loader.blockModelShapes.blockStateMapper.blockStateMap[block] as? IStateMapper ?: DefaultStateMapper()
-            (mapper.putStateModelLocations(block as Block) as Map<IBlockState, ModelResourceLocation>).entries
-        }
-        val stateModels = Refs.stateModels.get(event.loader) as Map<ModelResourceLocation, IModel>
-
-        stateMappings.forEach { mapping ->
-            if (mapping.key.block != null) stateModels[mapping.value]?.let { model ->
-                try {
-                    processModel(mapping.key, mapping.value, model)?.let { stateToKey[mapping.key] = it }
-                } catch (e: Exception) {
-                    logger?.warn("Exception while trying to process model ${mapping.value}", e)
-                }
-            }
-        }
-    }
-
-    @SubscribeEvent(priority = EventPriority.LOW)
-    fun handlePreStitch(event: TextureStitchEvent.Pre) {
-        stateToKey.forEach { (_, key) -> key.onPreStitch(event.map) }
-    }
-
-    @SubscribeEvent(priority = EventPriority.LOW)
-    fun handlePostStitch(event: TextureStitchEvent.Post) {
-        stateToValue = stateToKey.mapValues { (_, key) -> key.resolveSprites(event.map) }
-        stateToKey.clear()
-    }
-}
-
-abstract class ModelRenderRegistryConfigurable<T> : ModelRenderRegistryBase<T>() {
-
-    abstract val matchClasses: IBlockMatcher
-    abstract val modelTextures: List<ModelTextureList>
-
-    override fun processModel(state: IBlockState, modelLoc: ModelResourceLocation, model: IModel): ModelRenderKey<T>? {
-        val matchClass = matchClasses.matchingClass(state.block) ?: return null
-        logger?.log(Level.DEBUG, "$logName: block state ${state.toString()}")
-        logger?.log(Level.DEBUG, "$logName:       class ${state.block.javaClass.name} matches ${matchClass.name}")
-
-        val allModels = model.modelBlockAndLoc.distinctBy { it.second }
-        if (allModels.isEmpty()) {
-            logger?.log(Level.DEBUG, "$logName:       no models found")
-            return null
-        }
-
-        allModels.forEach { blockLoc ->
-            val modelMatch = modelTextures.firstOrNull { blockLoc.derivesFrom(it.modelLocation) }
-            if (modelMatch != null) {
-                logger?.log(Level.DEBUG, "$logName:       model ${blockLoc.second} matches ${modelMatch.modelLocation}")
-
-                val textures = modelMatch.textureNames.map { it to blockLoc.first.resolveTextureName(it) }
-                val texMapString = Joiner.on(", ").join(textures.map { "${it.first}=${it.second}" })
-                logger?.log(Level.DEBUG, "$logName:       textures [$texMapString]")
-
-                if (textures.all { it.second != "missingno" }) {
-                    // found a valid model (all required textures exist)
-                    return processModel(state, textures.map { it.second} )
-                }
-            }
-        }
-        return null
-    }
-
-    abstract fun processModel(state: IBlockState, textures: List<String>) : ModelRenderKey<T>?
-}

src/main/kotlin/mods/octarinecore/client/resource/ResourceGeneration.kt

@@ -1,120 +1,85 @@
 package mods.octarinecore.client.resource
 
-import mods.octarinecore.metaprog.reflectField
-import net.minecraft.client.resources.IResourcePack
-import net.minecraft.client.resources.data.IMetadataSection
-import net.minecraft.client.resources.data.IMetadataSectionSerializer
-import net.minecraft.client.resources.data.MetadataSerializer
-import net.minecraft.client.resources.data.PackMetadataSection
-import net.minecraft.util.ResourceLocation
-import net.minecraft.util.text.TextComponentString
-import net.minecraftforge.fml.client.FMLClientHandler
-import java.io.InputStream
+import mods.betterfoliage.client.resource.Identifier
+import mods.octarinecore.HasLogger
+import mods.octarinecore.common.completedVoid
+import mods.octarinecore.common.map
+import net.minecraft.client.renderer.model.ModelBakery
+import net.minecraft.client.resources.ClientResourcePackInfo
+import net.minecraft.resources.*
+import net.minecraft.resources.ResourcePackType.CLIENT_RESOURCES
+import net.minecraft.resources.data.IMetadataSectionSerializer
+import net.minecraft.util.text.StringTextComponent
+import org.apache.logging.log4j.Logger
+import java.io.IOException
+import java.lang.IllegalStateException
 import java.util.*
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.ExecutionException
+import java.util.function.Predicate
+import java.util.function.Supplier
 
 /**
- * [IResourcePack] containing generated resources. Adds itself to the default resource pack list
- * of Minecraft, so it is invisible and always active.
+ * [IResourcePack] containing generated resources
  *
  * @param[name] Name of the resource pack
  * @param[generators] List of resource generators
  */
-class GeneratorPack(val name: String, vararg val generators: GeneratorBase) : IResourcePack {
+class GeneratedBlockTexturePack(val nameSpace: String, val packName: String, override val logger: Logger) : HasLogger, IResourcePack, AsyncSpriteProvider<ModelBakery> {
 
-    fun inject() {
-        FMLClientHandler.instance().reflectField<MutableList<IResourcePack>>("resourcePackList")!!.add(this)
+    override fun getName() = packName
+    override fun getResourceNamespaces(type: ResourcePackType) = setOf(nameSpace)
+    override fun <T : Any?> getMetadata(deserializer: IMetadataSectionSerializer<T>) = null
+    override fun getRootResourceStream(id: String) = null
+    override fun getAllResourceLocations(type: ResourcePackType, path: String, maxDepth: Int, filter: Predicate<String>) = emptyList<Identifier>()
+    override fun close() {}
+
+    protected var manager: CompletableFuture<IResourceManager>? = null
+    val identifiers = Collections.synchronizedMap(mutableMapOf<Any, Identifier>())
+    val resources = Collections.synchronizedMap(mutableMapOf<Identifier, CompletableFuture<ByteArray>>())
+
+    fun register(key: Any, func: (IResourceManager)->ByteArray): Identifier {
+        if (manager == null) throw IllegalStateException("Cannot register resources unless block textures are being reloaded")
+        identifiers[key]?.let { return it }
+
+        val id = Identifier(nameSpace, UUID.randomUUID().toString())
+        val resource = manager!!.map { func(it) }
+
+        identifiers[key] = id
+        resources[Atlas.BLOCKS.wrap(id)] = resource
+        log("generated resource $key -> $id")
+        return id
     }
 
-    override fun getPackName() = name
-    override fun getPackImage() = null
-    override fun getResourceDomains() = HashSet(generators.map { it.domain })
-    override fun <T : IMetadataSection?> getPackMetadata(serializer: MetadataSerializer?, sectionName: String?) =
-        if (sectionName == "pack") PackMetadataSection(TextComponentString("Generated resources"), 1) as? T else null
+    override fun getResourceStream(type: ResourcePackType, id: Identifier) =
+        if (type != CLIENT_RESOURCES) null else
+            try { resources[id]!!.get().inputStream() }
+            catch (e: ExecutionException) { (e.cause as? IOException)?.let { throw it } }   // rethrow wrapped IOException if present
 
-    override fun resourceExists(location: ResourceLocation?): Boolean =
-            if (location == null) false
-            else generators.find {
-                it.domain == location.namespace && it.resourceExists(location)
-            } != null
+    override fun resourceExists(type: ResourcePackType, id: Identifier) =
+        type == CLIENT_RESOURCES && resources.containsKey(id)
 
-    override fun getInputStream(location: ResourceLocation?): InputStream? =
-            if (location == null) null
-            else generators.filter {
-                it.domain == location.namespace && it.resourceExists(location)
-            }.map { it.getInputStream(location) }
-            .filterNotNull().first()
-
-//    override fun <T : IMetadataSection?> getPackMetadata(p_135058_1_: IMetadataSerializer?, p_135058_2_: String?): T {
-//        return if (type == "pack") PackMetadataSection(ChatComponentText("Generated resources"), 1) else null
-//    }
-}
-
-/**
- * Abstract base class for resource generators
- *
- * @param[domain] Resource domain of generator
- */
-abstract class GeneratorBase(val domain: String) {
-    /** @see [IResourcePack.resourceExists] */
-    abstract fun resourceExists(location: ResourceLocation?): Boolean
-
-    /** @see [IResourcePack.getInputStream] */
-    abstract fun getInputStream(location: ResourceLocation?): InputStream?
-}
-
-/**
- * Collection of named [String]-valued key-value pairs, with an extra unnamed (keyless) value.
- * Meant to be encoded as a pipe-delimited list, and used as a [ResourceLocation] path
- * to parametrized generated resources.
- *
- * @param[params] key-value pairs
- * @param[value] keyless extra value
- */
-class ParameterList(val params: Map<String, String>, val value: String?) {
-    override fun toString() =
-            params.entries
-            .sortedBy { it.key }
-            .fold("") { result, entry -> result + "|${entry.key}=${entry.value}"} +
-            (value?.let { "|$it" } ?: "")
-
-    /** Return the value of the given parameter. */
-    operator fun get(key: String) = params[key]
-
-    /** Check if the given parameter exists in this list. */
-    operator fun contains(key: String) = key in params
-
-    /** Return a new [ParameterList] with the given key-value pair appended to it. */
-    operator fun plus(pair: Pair<String, String>) = ParameterList(params + pair, this.value)
-
-    companion object {
-        /**
-         * Recreate the parameter list from the encoded string, i.e. the opposite of [toString].
-         *
-         * Everything before the first pipe character is dropped, so the decoding works even if
-         * something is prepended to the list (like _textures/blocks/_)
-         */
-        fun fromString(input: String): ParameterList {
-            val params = hashMapOf<String, String>()
-            var value: String? = null
-            val slices = input.dropWhile { it != '|'}.split('|')
-            slices.forEach {
-                if (it.contains('=')) {
-                    val keyValue = it.split('=')
-                    if (keyValue.size == 2) params.put(keyValue[0], keyValue[1])
-                } else value = it
+    override fun setup(manager: IResourceManager, bakeryF: CompletableFuture<ModelBakery>, atlas: AtlasFuture): StitchPhases {
+        this.manager = CompletableFuture.completedFuture(manager)
+        return StitchPhases(
+            completedVoid(),
+            atlas.runAfter {
+                this.manager = null
+                identifiers.clear()
+                resources.clear()
             }
-            return ParameterList(params, value)
-        }
-
+        )
     }
-}
 
-abstract class ParameterBasedGenerator(domain: String) : GeneratorBase(domain) {
-    abstract fun resourceExists(params: ParameterList): Boolean
-    abstract fun getInputStream(params: ParameterList): InputStream?
-
-    override fun resourceExists(location: ResourceLocation?) =
-            resourceExists(ParameterList.fromString(location?.path ?: ""))
-    override fun getInputStream(location: ResourceLocation?) =
-            getInputStream(ParameterList.fromString(location?.path ?: ""))
+    val finder = object : IPackFinder {
+        val packInfo = ClientResourcePackInfo(
+            packName, true, Supplier { this@GeneratedBlockTexturePack },
+            StringTextComponent(packName),
+            StringTextComponent("Generated block textures resource pack"),
+            PackCompatibility.COMPATIBLE, ResourcePackInfo.Priority.TOP, true, null, true
+        )
+        override fun <T : ResourcePackInfo> addPackInfosToMap(nameToPackMap: MutableMap<String, T>, packInfoFactory: ResourcePackInfo.IFactory<T>) {
+            (nameToPackMap as MutableMap<String, ResourcePackInfo>).put(packName, packInfo)
+        }
+    }
 }

src/main/kotlin/mods/octarinecore/client/resource/ResourceHandler.kt

@@ -1,31 +1,44 @@
 package mods.octarinecore.client.resource
 
+import mods.betterfoliage.BetterFoliage
+import mods.betterfoliage.client.resource.Identifier
+import mods.betterfoliage.client.resource.Sprite
 import mods.octarinecore.client.render.Model
 import mods.octarinecore.common.Double3
 import mods.octarinecore.common.Int3
-import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.client.renderer.texture.TextureMap
-import net.minecraft.util.ResourceLocation
+import mods.octarinecore.common.completedVoid
+import mods.octarinecore.common.sink
+import mods.octarinecore.stripEnd
+import mods.octarinecore.stripStart
+import net.minecraft.resources.IResourceManager
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.MathHelper
-import net.minecraft.world.World
-import net.minecraft.world.gen.NoiseGeneratorSimplex
+import net.minecraft.world.IWorld
+import net.minecraft.world.gen.SimplexNoiseGenerator
 import net.minecraftforge.client.event.TextureStitchEvent
-import net.minecraftforge.common.MinecraftForge
 import net.minecraftforge.event.world.WorldEvent
-import net.minecraftforge.fml.client.event.ConfigChangedEvent
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import net.minecraftforge.eventbus.api.IEventBus
+import net.minecraftforge.eventbus.api.SubscribeEvent
+import net.minecraftforge.fml.config.ModConfig
 import java.util.*
+import java.util.concurrent.CompletableFuture
+import kotlin.properties.ReadOnlyProperty
+import kotlin.reflect.KProperty
+
+enum class Atlas(val basePath: String) {
+    BLOCKS("textures"),
+    PARTICLES("textures/particle");
+
+    fun wrap(resource: Identifier) = Identifier(resource.namespace, "$basePath/${resource.path}.png")
+    fun unwrap(resource: Identifier) = resource.stripStart("$basePath/").stripEnd(".png")
+    fun matches(event: TextureStitchEvent) = event.map.basePath == basePath
+}
 
 // ============================
 // Resource types
 // ============================
-interface IStitchListener {
-    fun onPreStitch(atlas: TextureMap)
-    fun onPostStitch(atlas: TextureMap)
-}
 interface IConfigChangeListener { fun onConfigChange() }
-interface IWorldLoadListener { fun onWorldLoad(world: World) }
+interface IWorldLoadListener { fun onWorldLoad(world: IWorld) }
 
 /**
  * Base class for declarative resource handling.
@@ -34,24 +47,26 @@ interface IWorldLoadListener { fun onWorldLoad(world: World) }
  *
  * @param[modId] mod ID associated with this handler (used to filter config change events)
  */
-open class ResourceHandler(val modId: String) {
+open class ResourceHandler(
+    val modId: String,
+    val modBus: IEventBus,
+    val targetAtlas: Atlas = Atlas.BLOCKS
+) {
 
     val resources = mutableListOf<Any>()
-    open fun afterPreStitch() {}
-    open fun afterPostStitch() {}
-
     // ============================
     // Self-registration
     // ============================
-    init { MinecraftForge.EVENT_BUS.register(this) }
+    init { modBus.register(this) }
 
     // ============================
     // Resource declarations
     // ============================
-    fun iconStatic(domain: String, path: String) = IconHolder(domain, path).apply { resources.add(this) }
-    fun iconStatic(location: ResourceLocation) = iconStatic(location.namespace, location.path)
-    fun iconSet(domain: String, pathPattern: String) = IconSet(domain, pathPattern).apply { this@ResourceHandler.resources.add(this) }
-    fun iconSet(location: ResourceLocation) = iconSet(location.namespace, location.path)
+    fun sprite(id: Identifier) = sprite { id }
+    fun sprite(idFunc: ()->Identifier) = AsyncSpriteDelegate(idFunc).apply { BetterFoliage.getSpriteManager(targetAtlas).providers.add(this) }
+    fun spriteSet(idFunc: (Int)->Identifier) = AsyncSpriteSet(targetAtlas, idFunc).apply { BetterFoliage.getSpriteManager(targetAtlas).providers.add(this) }
+    fun spriteSetTransformed(check: (Int)->Identifier, register: (Identifier)->Identifier) =
+        AsyncSpriteSet(targetAtlas, check, register).apply { BetterFoliage.getSpriteManager(targetAtlas).providers.add(this) }
     fun model(init: Model.()->Unit) = ModelHolder(init).apply { resources.add(this) }
     fun modelSet(num: Int, init: Model.(Int)->Unit) = ModelSet(num, init).apply { resources.add(this) }
     fun vectorSet(num: Int, init: (Int)-> Double3) = VectorSet(num, init).apply { resources.add(this) }
@@ -61,20 +76,8 @@ open class ResourceHandler(val modId: String) {
     // Event registration
     // ============================
     @SubscribeEvent
-    fun onPreStitch(event: TextureStitchEvent.Pre) {
-        resources.forEach { (it as? IStitchListener)?.onPreStitch(event.map) }
-        afterPreStitch()
-    }
-
-    @SubscribeEvent
-    fun onPostStitch(event: TextureStitchEvent.Post) {
-        resources.forEach { (it as? IStitchListener)?.onPostStitch(event.map) }
-        afterPostStitch()
-    }
-
-    @SubscribeEvent
-    fun handleConfigChange(event: ConfigChangedEvent.OnConfigChangedEvent) {
-        if (event.modID == modId) resources.forEach { (it as? IConfigChangeListener)?.onConfigChange() }
+    fun handleModConfigChange(event: ModConfig.ModConfigEvent) {
+        resources.forEach { (it as? IConfigChangeListener)?.onConfigChange() }
     }
 
     @SubscribeEvent
@@ -85,56 +88,73 @@ open class ResourceHandler(val modId: String) {
 // ============================
 // Resource container classes
 // ============================
-class IconHolder(val domain: String, val name: String) : IStitchListener {
-    val iconRes = ResourceLocation(domain, name)
-    var icon: TextureAtlasSprite? = null
-    override fun onPreStitch(atlas: TextureMap) { atlas.registerSprite(iconRes) }
-    override fun onPostStitch(atlas: TextureMap) { icon = atlas[iconRes] }
+class AsyncSpriteDelegate(val idFunc: ()->Identifier) : ReadOnlyProperty<Any, Sprite>, AsyncSpriteProvider<Any> {
+    protected lateinit var value: Sprite
+    override fun getValue(thisRef: Any, property: KProperty<*>) = value
+
+    override fun setup(manager: IResourceManager, sourceF: CompletableFuture<Any>, atlas: AtlasFuture): StitchPhases {
+        sourceF.thenRun {
+            val sprite = atlas.sprite(idFunc())
+            atlas.runAfter {
+                sprite.handle { sprite, error -> value = sprite ?: atlas.missing.get()!! }
+            }
+        }
+        return StitchPhases(completedVoid(), completedVoid())
+    }
+}
+
+interface SpriteSet {
+    val num: Int
+    operator fun get(idx: Int): Sprite
+}
+
+class AsyncSpriteSet(val targetAtlas: Atlas = Atlas.BLOCKS, val idFunc: (Int)->Identifier, val transform: (Identifier)->Identifier = { it }) : AsyncSpriteProvider<Any> {
+    var num = 0
+        protected set
+    protected var sprites: List<Sprite> = emptyList()
+
+    override fun setup(manager: IResourceManager, sourceF: CompletableFuture<Any>, atlas: AtlasFuture): StitchPhases {
+        var list: List<CompletableFuture<Sprite>> = emptyList()
+
+        return StitchPhases(
+            discovery = sourceF.sink {
+                list = (0 until 16).map { idFunc(it) }
+                    .filter { manager.hasResource( targetAtlas.wrap(it)) }
+                    .map { transform(it) }
+                    .map { atlas.sprite(it) }
+            },
+            cleanup = atlas.runAfter {
+                sprites = list.filter { !it.isCompletedExceptionally }.map { it.get() }
+                if (sprites.isEmpty()) sprites = listOf(atlas.missing.get()!!)
+                num = sprites.size
+            }
+        )
+    }
+    operator fun get(idx: Int) = sprites[idx % num]
 }
 
 class ModelHolder(val init: Model.()->Unit): IConfigChangeListener {
-    var model: Model = Model().apply(init)
+    var model: Model = Model()
     override fun onConfigChange() { model = Model().apply(init) }
 }
 
-class IconSet(val domain: String, val namePattern: String) : IStitchListener {
-    val resources = arrayOfNulls<ResourceLocation>(16)
-    val icons = arrayOfNulls<TextureAtlasSprite>(16)
-    var num = 0
-
-    override fun onPreStitch(atlas: TextureMap) {
-        num = 0
-        (0..15).forEach { idx ->
-            icons[idx] = null
-            val locReal = ResourceLocation(domain, "textures/${namePattern.format(idx)}.png")
-            if (resourceManager[locReal] != null) resources[num++] = ResourceLocation(domain, namePattern.format(idx)).apply { atlas.registerSprite(this) }
-        }
-    }
-
-    override fun onPostStitch(atlas: TextureMap) {
-        (0 until num).forEach { idx -> icons[idx] = atlas[resources[idx]!!] }
-    }
-
-    operator fun get(idx: Int) = if (num == 0) null else icons[idx % num]
-}
-
 class ModelSet(val num: Int, val init: Model.(Int)->Unit): IConfigChangeListener {
-    val models = Array(num) { Model().apply{ init(it) } }
+    val models = Array(num) { Model() }
     override fun onConfigChange() { (0 until num).forEach { models[it] = Model().apply{ init(it) } } }
     operator fun get(idx: Int) = models[idx % num]
 }
 
 class VectorSet(val num: Int, val init: (Int)->Double3): IConfigChangeListener {
-    val models = Array(num) { init(it) }
+    val models = Array(num) { Double3.zero }
     override fun onConfigChange() { (0 until num).forEach { models[it] = init(it) } }
     operator fun get(idx: Int) = models[idx % num]
 }
 
-class SimplexNoise() : IWorldLoadListener {
-    var noise = NoiseGeneratorSimplex()
-    override fun onWorldLoad(world: World) { noise = NoiseGeneratorSimplex(Random(world.worldInfo.seed))
+class SimplexNoise : IWorldLoadListener {
+    var noise = SimplexNoiseGenerator(Random())
+    override fun onWorldLoad(world: IWorld) { noise = SimplexNoiseGenerator(Random(world.worldInfo.seed))
     }
     operator fun get(x: Int, z: Int) = MathHelper.floor((noise.getValue(x.toDouble(), z.toDouble()) + 1.0) * 32.0)
     operator fun get(pos: Int3) = get(pos.x, pos.z)
     operator fun get(pos: BlockPos) = get(pos.x, pos.z)
-}
+}

src/main/kotlin/mods/octarinecore/client/resource/TextureGenerator.kt

@@ -1,86 +0,0 @@
-package mods.octarinecore.client.resource
-
-import mods.octarinecore.client.resource.ResourceType.*
-import net.minecraft.client.resources.IResource
-import net.minecraft.util.ResourceLocation
-import java.awt.image.BufferedImage
-import java.io.InputStream
-
-/** Type of generated texture resource */
-enum class ResourceType {
-    COLOR,          // regular diffuse map
-    METADATA,       // texture metadata
-    NORMAL,         // ShadersMod normal map
-    SPECULAR        // ShadersMod specular map
-}
-
-/**
- * Generator returning textures based on a single other texture. This texture is located with the
- * _dom_ and _path_ parameters of a [ParameterList].
- *
- * @param[domain] Resource domain of generator
- */
-abstract class TextureGenerator(domain: String) : ParameterBasedGenerator(domain) {
-
-    /**
-     * Obtain a [ResourceLocation] to a generated texture
-     *
-     * @param[iconName] the name of the [TextureAtlasSprite] (not the full location) backing the generated texture
-     * @param[extraParams] additional parameters of the generated texture
-     */
-    fun generatedResource(iconName: String, vararg extraParams: Pair<String, Any>) = ResourceLocation(
-        domain,
-        textureLocation(iconName).let {
-            ParameterList(
-                mapOf("dom" to it.namespace, "path" to it.path) +
-                    extraParams.map { Pair(it.first, it.second.toString()) },
-                "generate"
-            ).toString()
-        }
-    )
-
-    /** Get the type and location of the texture resource encoded by the given [ParameterList]. */
-    fun targetResource(params: ParameterList): Pair<ResourceType, ResourceLocation>? {
-        val baseTexture =
-            if (listOf("dom", "path").all { it in params }) ResourceLocation(params["dom"]!!, params["path"]!!)
-            else return null
-        return when(params.value?.toLowerCase()) {
-            "generate.png" -> COLOR to baseTexture + ".png"
-            "generate.png.mcmeta" -> METADATA to baseTexture + ".png.mcmeta"
-            "generate_n.png" -> NORMAL to baseTexture + "_n.png"
-            "generate_s.png" -> SPECULAR to baseTexture + "_s.png"
-            else -> null
-        }
-    }
-
-    override fun resourceExists(params: ParameterList) =
-        targetResource(params)?.second?.let { resourceManager[it] != null } ?: false
-
-    override fun getInputStream(params: ParameterList): InputStream? {
-        val target = targetResource(params)
-        return when(target?.first) {
-            null -> null
-            METADATA -> resourceManager[target!!.second]?.inputStream
-            else -> generate(params)?.asStream
-        }
-    }
-
-    /**
-     * Generate image data from the parameter list.
-     */
-    abstract fun generate(params: ParameterList): BufferedImage?
-
-    /**
-     * Get a texture resource when multiple sizes may exist.
-     *
-     * @param[maxSize] Maximum size to consider. This value is progressively halved when searching for smaller versions.
-     * @param[maskPath] Location of the texture of the given size
-     *
-     */
-    fun getMultisizeTexture(maxSize: Int, maskPath: (Int)->ResourceLocation): IResource? {
-        var size = maxSize
-        val sizes = mutableListOf<Int>()
-        while(size > 2) { sizes.add(size); size /= 2 }
-        return sizes.map { resourceManager[maskPath(it)] }.filterNotNull().firstOrNull()
-    }
-}

src/main/kotlin/mods/octarinecore/client/resource/Utils.kt

@@ -1,31 +1,31 @@
 @file:JvmName("Utils")
 package mods.octarinecore.client.resource
 
-import mods.betterfoliage.loader.Refs
 import mods.octarinecore.PI2
-import mods.octarinecore.client.render.HSB
-import mods.octarinecore.metaprog.reflectField
+import mods.octarinecore.client.render.lighting.HSB
 import mods.octarinecore.stripStart
 import mods.octarinecore.tryDefault
 import net.minecraft.client.Minecraft
-import net.minecraft.client.renderer.block.model.ModelBlock
+import net.minecraft.client.renderer.model.BlockModel
+import net.minecraft.client.renderer.texture.AtlasTexture
+import net.minecraft.client.renderer.texture.MissingTextureSprite
 import net.minecraft.client.renderer.texture.TextureAtlasSprite
-import net.minecraft.client.renderer.texture.TextureMap
-import net.minecraft.client.resources.IResource
-import net.minecraft.client.resources.IResourceManager
-import net.minecraft.client.resources.SimpleReloadableResourceManager
+import net.minecraft.resources.IResource
+import net.minecraft.resources.IResourceManager
+import net.minecraft.resources.SimpleReloadableResourceManager
 import net.minecraft.util.ResourceLocation
-import net.minecraftforge.client.model.IModel
 import java.awt.image.BufferedImage
 import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
 import java.io.InputStream
 import java.lang.Math.*
 import javax.imageio.ImageIO
+import kotlin.math.atan2
 
 /** Concise getter for the Minecraft resource manager. */
-val resourceManager: SimpleReloadableResourceManager get() =
-    Minecraft.getMinecraft().resourceManager as SimpleReloadableResourceManager
+val resourceManager: SimpleReloadableResourceManager
+    get() =
+    Minecraft.getInstance().resourceManager as SimpleReloadableResourceManager
 
 /** Append a string to the [ResourceLocation]'s path. */
 operator fun ResourceLocation.plus(str: String) = ResourceLocation(namespace, path + str)
@@ -36,8 +36,10 @@ operator fun IResourceManager.get(domain: String, path: String): IResource? = ge
 operator fun IResourceManager.get(location: ResourceLocation): IResource? = tryDefault(null) { getResource(location) }
 
 /** Index operator to get a texture sprite. */
-operator fun TextureMap.get(name: String): TextureAtlasSprite? = getTextureExtry(ResourceLocation(name).toString())
-operator fun TextureMap.get(res: ResourceLocation): TextureAtlasSprite? = getTextureExtry(res.toString())
+operator fun AtlasTexture.get(res: ResourceLocation): TextureAtlasSprite? = getSprite(res)
+operator fun AtlasTexture.get(name: String): TextureAtlasSprite? = getSprite(ResourceLocation(name))
+
+val missingSprite: TextureAtlasSprite get() = MissingTextureSprite.func_217790_a()
 
 /** Load an image resource. */
 fun IResource.loadImage(): BufferedImage? = ImageIO.read(this.inputStream)
@@ -57,26 +59,23 @@ operator fun BufferedImage.set(x: Int, y: Int, value: Int) = this.setRGB(x, y, v
 /** Get an [InputStream] to an image object in PNG format. */
 val BufferedImage.asStream: InputStream get() =
     ByteArrayInputStream(ByteArrayOutputStream().let { ImageIO.write(this, "PNG", it); it.toByteArray() })
-
+val BufferedImage.bytes: ByteArray get() =
+    ByteArrayOutputStream().let { ImageIO.write(this, "PNG", it); it.toByteArray() }
 /**
  * Calculate the average color of a texture.
  *
  * Only non-transparent pixels are considered. Averages are taken in the HSB color space (note: Hue is a circular average),
  * and the result transformed back to the RGB color space.
  */
-val TextureAtlasSprite.averageColor: Int? get() {
-    val locationNoDirs = ResourceLocation(iconName).stripStart("blocks/")
-    val locationWithDirs = ResourceLocation(locationNoDirs.namespace, "textures/blocks/%s.png".format(locationNoDirs.path))
-    val image = resourceManager[locationWithDirs]?.loadImage() ?: return null
-
+val TextureAtlasSprite.averageColor: Int get() {
     var numOpaque = 0
     var sumHueX = 0.0
     var sumHueY = 0.0
     var sumSaturation = 0.0f
     var sumBrightness = 0.0f
-    for (x in 0..image.width - 1)
-        for (y in 0..image.height - 1) {
-            val pixel = image[x, y]
+    for (x in 0 until width)
+        for (y in 0 until height) {
+            val pixel = getPixelRGBA(0, x, y)
             val alpha = (pixel shr 24) and 255
             val hsb = HSB.fromColor(pixel)
             if (alpha == 255) {
@@ -89,7 +88,7 @@ val TextureAtlasSprite.averageColor: Int? get() {
         }
 
     // circular average - transform sum vector to polar angle
-    val avgHue = (atan2(sumHueY.toDouble(), sumHueX.toDouble()) / PI2 + 0.5).toFloat()
+    val avgHue = (atan2(sumHueY, sumHueX) / PI2 + 0.5).toFloat()
     return HSB(avgHue, sumSaturation / numOpaque.toFloat(), sumBrightness / numOpaque.toFloat()).asColor
 }
 
@@ -101,27 +100,9 @@ fun textureLocation(iconName: String) = ResourceLocation(iconName).let {
     else ResourceLocation(it.namespace, "textures/${it.path}")
 }
 
-@Suppress("UNCHECKED_CAST")
-val IModel.modelBlockAndLoc: List<Pair<ModelBlock, ResourceLocation>> get() {
-    if (Refs.VanillaModelWrapper.isInstance(this))
-        return listOf(Pair(Refs.model_VMW.get(this) as ModelBlock, Refs.location_VMW.get(this) as ResourceLocation))
-    else if (Refs.WeightedRandomModel.isInstance(this)) Refs.models_WRM.get(this)?.let {
-        return (it as List<IModel>).flatMap(IModel::modelBlockAndLoc)
-    }
-    else if (Refs.MultipartModel.isInstance(this)) Refs.partModels_MPM.get(this)?.let {
-        return (it as Map<Any, IModel>).flatMap { it.value.modelBlockAndLoc }
-    } else {
-        this::class.java.declaredFields.find { it.type.isInstance(IModel::class.java) }?.let { modelField ->
-            modelField.isAccessible = true
-            return (modelField.get(this) as IModel).modelBlockAndLoc
-        }
-    }
-    return listOf()
-}
-
-fun Pair<ModelBlock, ResourceLocation>.derivesFrom(targetLocation: ResourceLocation): Boolean {
+fun Pair<BlockModel, ResourceLocation>.derivesFrom(targetLocation: ResourceLocation): Boolean {
     if (second.stripStart("models/") == targetLocation) return true
     if (first.parent != null && first.parentLocation != null)
-        return Pair(first.parent, first.parentLocation!!).derivesFrom(targetLocation)
+        return Pair(first.parent!!, first.parentLocation!!).derivesFrom(targetLocation)
     return false
 }

src/main/kotlin/mods/octarinecore/common/Futures.kt

@@ -0,0 +1,15 @@
+package mods.octarinecore.common
+
+import net.minecraft.client.Minecraft
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.CompletionStage
+import java.util.function.Consumer
+import java.util.function.Function
+
+fun completedVoid() = CompletableFuture.completedFuture<Void>(null)!!
+
+fun <T, U> CompletionStage<T>.map(func: (T)->U) = thenApply(Function(func)).toCompletableFuture()!!
+fun <T, U> CompletionStage<T>.mapAsync(func: (T)->U) = thenApplyAsync(Function(func), Minecraft.getInstance()).toCompletableFuture()!!
+
+fun <T> CompletionStage<T>.sink(func: (T)->Unit) = thenAccept(Consumer(func)).toCompletableFuture()!!
+fun <T> CompletionStage<T>.sinkAsync(func: (T)->Unit) = thenAcceptAsync(Consumer(func), Minecraft.getInstance()).toCompletableFuture()!!

src/main/kotlin/mods/octarinecore/common/Geometry.kt

@@ -1,11 +1,11 @@
 package mods.octarinecore.common
 
 import mods.octarinecore.cross
-import net.minecraft.util.EnumFacing
-import net.minecraft.util.EnumFacing.*
-import net.minecraft.util.EnumFacing.Axis.*
-import net.minecraft.util.EnumFacing.AxisDirection.NEGATIVE
-import net.minecraft.util.EnumFacing.AxisDirection.POSITIVE
+import net.minecraft.util.Direction
+import net.minecraft.util.Direction.*
+import net.minecraft.util.Direction.Axis.*
+import net.minecraft.util.Direction.AxisDirection.NEGATIVE
+import net.minecraft.util.Direction.AxisDirection.POSITIVE
 import net.minecraft.util.math.BlockPos
 
 // ================================
@@ -13,19 +13,19 @@ import net.minecraft.util.math.BlockPos
 // ================================
 val axes = listOf(X, Y, Z)
 val axisDirs = listOf(POSITIVE, NEGATIVE)
-val EnumFacing.dir: AxisDirection get() = axisDirection
+val Direction.dir: AxisDirection get() = axisDirection
 val AxisDirection.sign: String get() = when(this) { POSITIVE -> "+"; NEGATIVE -> "-" }
-val forgeDirs = EnumFacing.values()
-val forgeDirsHorizontal = listOf(NORTH, SOUTH, EAST, WEST)
-val forgeDirOffsets = forgeDirs.map { Int3(it) }
-val Pair<Axis, AxisDirection>.face: EnumFacing get() = when(this) {
+val allDirections = Direction.values()
+val horizontalDirections = listOf(NORTH, SOUTH, EAST, WEST)
+val allDirOffsets = allDirections.map { Int3(it) }
+val Pair<Axis, AxisDirection>.face: Direction get() = when(this) {
     X to POSITIVE -> EAST; X to NEGATIVE -> WEST;
     Y to POSITIVE -> UP; Y to NEGATIVE -> DOWN;
     Z to POSITIVE -> SOUTH; else -> NORTH;
 }
-val EnumFacing.perpendiculars: List<EnumFacing> get() =
+val Direction.perpendiculars: List<Direction> get() =
     axes.filter { it != this.axis }.cross(axisDirs).map { it.face }
-val EnumFacing.offset: Int3 get() = forgeDirOffsets[ordinal]
+val Direction.offset: Int3 get() = allDirOffsets[ordinal]
 
 /** Old ForgeDirection rotation matrix yanked from 1.7.10 */
 val ROTATION_MATRIX: Array<IntArray> get() = arrayOf(
@@ -40,15 +40,16 @@ val ROTATION_MATRIX: Array<IntArray> get() = arrayOf(
 // ================================
 // Vectors
 // ================================
-operator fun EnumFacing.times(scale: Double) =
+operator fun Direction.times(scale: Double) =
     Double3(directionVec.x.toDouble() * scale, directionVec.y.toDouble() * scale, directionVec.z.toDouble() * scale)
-val EnumFacing.vec: Double3 get() = Double3(directionVec.x.toDouble(), directionVec.y.toDouble(), directionVec.z.toDouble())
+val Direction.vec: Double3 get() = Double3(directionVec.x.toDouble(), directionVec.y.toDouble(), directionVec.z.toDouble())
+
 operator fun BlockPos.plus(other: Int3) = BlockPos(x + other.x, y + other.y, z + other.z)
 
 /** 3D vector of [Double]s. Offers both mutable operations, and immutable operations in operator notation. */
 data class Double3(var x: Double, var y: Double, var z: Double) {
     constructor(x: Float, y: Float, z: Float) : this(x.toDouble(), y.toDouble(), z.toDouble())
-    constructor(dir: EnumFacing) : this(dir.directionVec.x.toDouble(), dir.directionVec.y.toDouble(), dir.directionVec.z.toDouble())
+    constructor(dir: Direction) : this(dir.directionVec.x.toDouble(), dir.directionVec.y.toDouble(), dir.directionVec.z.toDouble())
     companion object {
         val zero: Double3 get() = Double3(0.0, 0.0, 0.0)
         fun weight(v1: Double3, weight1: Double, v2: Double3, weight2: Double) =
@@ -92,13 +93,13 @@ data class Double3(var x: Double, var y: Double, var z: Double) {
     infix fun cross(o: Double3) = Double3(y * o.z - z * o.y, z * o.x - x * o.z, x * o.y - y * o.x)
     val length: Double get() = Math.sqrt(x * x + y * y + z * z)
     val normalize: Double3 get() = (1.0 / length).let { Double3(x * it, y * it, z * it) }
-    val nearestCardinal: EnumFacing get() = nearestAngle(this, forgeDirs.asIterable()) { it.vec }.first
+    val nearestCardinal: Direction get() = nearestAngle(this, allDirections.asIterable()) { it.vec }.first
 }
 
 /** 3D vector of [Int]s. Offers both mutable operations, and immutable operations in operator notation. */
 data class Int3(var x: Int, var y: Int, var z: Int) {
-    constructor(dir: EnumFacing) : this(dir.directionVec.x, dir.directionVec.y, dir.directionVec.z)
-    constructor(offset: Pair<Int, EnumFacing>) : this(
+    constructor(dir: Direction) : this(dir.directionVec.x, dir.directionVec.y, dir.directionVec.z)
+    constructor(offset: Pair<Int, Direction>) : this(
         offset.first * offset.second.directionVec.x,
         offset.first * offset.second.directionVec.y,
         offset.first * offset.second.directionVec.z
@@ -109,7 +110,7 @@ data class Int3(var x: Int, var y: Int, var z: Int) {
 
     // immutable operations
     operator fun plus(other: Int3) = Int3(x + other.x, y + other.y, z + other.z)
-    operator fun plus(other: Pair<Int, EnumFacing>) = Int3(
+    operator fun plus(other: Pair<Int, Direction>) = Int3(
         x + other.first * other.second.directionVec.x,
         y + other.first * other.second.directionVec.y,
         z + other.first * other.second.directionVec.z
@@ -145,17 +146,17 @@ data class Int3(var x: Int, var y: Int, var z: Int) {
 // ================================
 // Rotation
 // ================================
-val EnumFacing.rotations: Array<EnumFacing> get() =
-    Array(6) { idx -> EnumFacing.values()[ROTATION_MATRIX[ordinal][idx]] }
-fun EnumFacing.rotate(rot: Rotation) = rot.forward[ordinal]
-fun rot(axis: EnumFacing) = Rotation.rot90[axis.ordinal]
+val Direction.rotations: Array<Direction> get() =
+    Array(6) { idx -> Direction.values()[ROTATION_MATRIX[ordinal][idx]] }
+fun Direction.rotate(rot: Rotation) = rot.forward[ordinal]
+fun rot(axis: Direction) = Rotation.rot90[axis.ordinal]
 
 /**
  * Class representing an arbitrary rotation (or combination of rotations) around cardinal axes by 90 degrees.
  * In effect, a permutation of [ForgeDirection]s.
  */
 @Suppress("NOTHING_TO_INLINE")
-class Rotation(val forward: Array<EnumFacing>, val reverse: Array<EnumFacing>) {
+class Rotation(val forward: Array<Direction>, val reverse: Array<Direction>) {
     operator fun plus(other: Rotation) = Rotation(
         Array(6) { idx -> forward[other.forward[idx].ordinal] },
         Array(6) { idx -> other.reverse[reverse[idx].ordinal] }
@@ -163,15 +164,15 @@ class Rotation(val forward: Array<EnumFacing>, val reverse: Array<EnumFacing>) {
     operator fun unaryMinus() = Rotation(reverse, forward)
     operator fun times(num: Int) = when(num % 4) { 1 -> this; 2 -> this + this; 3 -> -this; else -> identity }
 
-    inline fun rotatedComponent(dir: EnumFacing, x: Int, y: Int, z: Int) =
+    inline fun rotatedComponent(dir: Direction, x: Int, y: Int, z: Int) =
         when(reverse[dir.ordinal]) { EAST -> x; WEST -> -x; UP -> y; DOWN -> -y; SOUTH -> z; NORTH -> -z; else -> 0 }
-    inline fun rotatedComponent(dir: EnumFacing, x: Double, y: Double, z: Double) =
+    inline fun rotatedComponent(dir: Direction, x: Double, y: Double, z: Double) =
         when(reverse[dir.ordinal]) { EAST -> x; WEST -> -x; UP -> y; DOWN -> -y; SOUTH -> z; NORTH -> -z; else -> 0.0 }
 
     companion object {
         // Forge rotation matrix is left-hand
-        val rot90 = Array(6) { idx -> Rotation(forgeDirs[idx].opposite.rotations, forgeDirs[idx].rotations) }
-        val identity = Rotation(forgeDirs, forgeDirs)
+        val rot90 = Array(6) { idx -> Rotation(allDirections[idx].opposite.rotations, allDirections[idx].rotations) }
+        val identity = Rotation(allDirections, allDirections)
     }
 
 }
@@ -179,8 +180,24 @@ class Rotation(val forward: Array<EnumFacing>, val reverse: Array<EnumFacing>) {
 // ================================
 // Miscellaneous
 // ================================
+
+inline operator fun <reified T> Array<T>.get(face: Direction): T = get(face.ordinal)
+
+data class BoxFace(val top: Direction, val left: Direction) {
+
+    val allCorners = listOf(top to left, top to left.opposite, top.opposite to left, top.opposite to left.opposite)
+}
+val boxFaces = allDirections.map { when(it) {
+    DOWN -> BoxFace(SOUTH, WEST)
+    UP -> BoxFace(SOUTH, EAST)
+    NORTH -> BoxFace(WEST, UP)
+    SOUTH -> BoxFace(UP, WEST)
+    WEST -> BoxFace(SOUTH, UP)
+    EAST -> BoxFace(SOUTH, DOWN)
+}}.toTypedArray()
+
 /** List of all 12 box edges, represented as a [Pair] of [ForgeDirection]s */
-val boxEdges = forgeDirs.flatMap { face1 -> forgeDirs.filter { it.axis > face1.axis }.map { face1 to it } }
+val boxEdges = allDirections.flatMap { face1 -> allDirections.filter { it.axis > face1.axis }.map { face1 to it } }
 
 /**
  * Get the closest object to the specified point from a list of objects.
@@ -203,23 +220,3 @@ fun <T> nearestPosition(vertex: Double3, objs: Iterable<T>, objPos: (T)-> Double
  */
 fun <T> nearestAngle(vector: Double3, objs: Iterable<T>, objAngle: (T)-> Double3): Pair<T, Double> =
         objs.map { it to objAngle(it).dot(vector) }.maxBy { it.second }!!
-
-data class FaceCorners(val topLeft: Pair<EnumFacing, EnumFacing>,
-                       val topRight: Pair<EnumFacing, EnumFacing>,
-                       val bottomLeft: Pair<EnumFacing, EnumFacing>,
-                       val bottomRight: Pair<EnumFacing, EnumFacing>) {
-    constructor(top: EnumFacing, left: EnumFacing) :
-    this(top to left, top to left.opposite, top.opposite to left, top.opposite to left.opposite)
-
-    val asArray = arrayOf(topLeft, topRight, bottomLeft, bottomRight)
-    val asList = listOf(topLeft, topRight, bottomLeft, bottomRight)
-}
-
-val faceCorners = forgeDirs.map { when(it) {
-    DOWN -> FaceCorners(SOUTH, WEST)
-    UP -> FaceCorners(SOUTH, EAST)
-    NORTH -> FaceCorners(WEST, UP)
-    SOUTH -> FaceCorners(UP, WEST)
-    WEST -> FaceCorners(SOUTH, UP)
-    EAST -> FaceCorners(SOUTH, DOWN)
-}}

src/main/kotlin/mods/octarinecore/common/config/BlackWhiteListConfigOption.kt

@@ -1,56 +0,0 @@
-package mods.octarinecore.common.config
-
-import mods.octarinecore.client.gui.NonVerboseArrayEntry
-import mods.octarinecore.client.resource.get
-import mods.octarinecore.client.resource.getLines
-import mods.octarinecore.client.resource.resourceManager
-import net.minecraftforge.common.config.Configuration
-import net.minecraftforge.common.config.Property
-
-abstract class BlackWhiteListConfigOption<VALUE>(val domain: String, val path: String) : ConfigPropertyBase() {
-
-    val blackList = mutableListOf<VALUE>()
-    val whiteList = mutableListOf<VALUE>()
-    var blacklistProperty: Property? = null
-    var whitelistProperty: Property? = null
-
-    override val hasChanged: Boolean
-        get() = blacklistProperty?.hasChanged() ?: false || whitelistProperty?.hasChanged() ?: false
-
-    override val guiProperties: List<Property> get() = listOf(whitelistProperty!!, blacklistProperty!!)
-
-    override fun attach(target: Configuration, langPrefix: String, categoryName: String, propertyName: String) {
-        lang = null
-        val defaults = readDefaults(domain, path)
-        blacklistProperty = target.get(categoryName, "${propertyName}Blacklist", defaults.first)
-        whitelistProperty = target.get(categoryName, "${propertyName}Whitelist", defaults.second)
-        listOf(blacklistProperty!!, whitelistProperty!!).forEach {
-            it.configEntryClass = NonVerboseArrayEntry::class.java
-            it.languageKey = "$langPrefix.$categoryName.${it.name}"
-        }
-        read()
-    }
-
-    abstract fun convertValue(line: String): VALUE?
-
-    override fun read() {
-        listOf(Pair(blackList, blacklistProperty!!), Pair(whiteList, whitelistProperty!!)).forEach {
-            it.first.clear()
-            it.second.stringList.forEach { line ->
-                val value = convertValue(line)
-                if (value != null) it.first.add(value)
-            }
-        }
-    }
-
-    fun readDefaults(domain: String, path: String): Pair<Array<String>, Array<String>> {
-        val blackList = arrayListOf<String>()
-        val whiteList = arrayListOf<String>()
-        val defaults = resourceManager[domain, path]?.getLines()
-        defaults?.map{ it.trim() }?.filter { !it.startsWith("//") && it.isNotEmpty() }?.forEach {
-            if (it.startsWith("-")) { blackList.add(it.substring(1)) }
-            else { whiteList.add(it) }
-        }
-        return (blackList.toTypedArray() to whiteList.toTypedArray())
-    }
-}

src/main/kotlin/mods/octarinecore/common/config/DelegatingConfig.kt

@@ -1,266 +1,89 @@
+@file:JvmName("DelegatingConfigKt")
+
 package mods.octarinecore.common.config
 
-import com.google.common.collect.LinkedListMultimap
-import mods.betterfoliage.loader.Refs
-import mods.octarinecore.metaprog.reflectField
-import mods.octarinecore.metaprog.reflectFieldsOfType
+import mods.octarinecore.metaprog.reflectDelegates
 import mods.octarinecore.metaprog.reflectNestedObjects
-import net.minecraftforge.common.MinecraftForge
-import net.minecraftforge.common.config.ConfigElement
-import net.minecraftforge.common.config.Configuration
-import net.minecraftforge.common.config.Property
-import net.minecraftforge.fml.client.config.GuiConfigEntries
-import net.minecraftforge.fml.client.config.IConfigElement
-import net.minecraftforge.fml.client.event.ConfigChangedEvent
-import net.minecraftforge.fml.common.FMLCommonHandler
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import net.minecraftforge.common.ForgeConfigSpec
+import kotlin.properties.ReadOnlyProperty
 import kotlin.reflect.KProperty
 
-// ============================
-// Configuration object base
-// ============================
-/**
- * Base class for declarative configuration handling.
- *
- * Subclasses should be singleton objects, containing one layer of further singleton objects representing
- * config categories (nesting is not supported).
- *
- * Both the root object (maps to the category _global_) and category objects can contain [ConfigPropertyBase]
- * instances (either directly or as a delegate), which handle the Forge [Configuration] itself.
- *
- * Config properties map to language keys by their field names.
- *
- * @param[modId] mod ID this configuration is linked to
- * @param[langPrefix] prefix to use for language keys
- */
-abstract class DelegatingConfig(val modId: String, val langPrefix: String) {
+open class DelegatingConfig(val modId: String, val langPrefix: String) {
+    fun build() = ForgeConfigSpec.Builder().apply { ConfigBuildContext(langPrefix, emptyList(), this).addCategory(this@DelegatingConfig) }.build()
+}
 
-    init { MinecraftForge.EVENT_BUS.register(this) }
+class ConfigBuildContext(val langPrefix: String, val path: List<String>, val builder: ForgeConfigSpec.Builder) {
 
-    /** The [Configuration] backing this config object. */
-    var config: Configuration? = null
-    val rootGuiElements = mutableListOf<IConfigElement>()
-
-    /** Attach this config object to the given [Configuration] and update all properties. */
-    fun attach(config: Configuration) {
-        this.config = config
-        val subProperties = LinkedListMultimap.create<String, String>()
-        rootGuiElements.clear()
-
-        forEachProperty { category, name, property ->
-            property.lang = property.lang ?: "$category.$name"
-            property.attach(config, langPrefix, category, name)
-            property.guiProperties.forEach { guiProperty ->
-                property.guiClass?.let { guiProperty.setConfigEntryClass(it) }
-                if (category == "global") rootGuiElements.add(ConfigElement(guiProperty))
-                else subProperties.put(category, guiProperty.name)
-            }
+    fun addCategory(configObj: Any) {
+        configObj.reflectNestedObjects.forEach { (name, category) ->
+            builder.push(name)
+            descend(name).addCategory(category)
+            builder.pop()
         }
-        for (category in subProperties.keySet()) {
-            val configCategory = config.getCategory(category)
-            configCategory.setLanguageKey("$langPrefix.$category")
-            configCategory.setPropertyOrder(subProperties[category])
-            rootGuiElements.add(ConfigElement(configCategory))
-        }
-        save()
-
-        // hide all categories not in the config singleton
-        config.categoryNames.forEach {
-            config.getCategory(it).setShowInGui(it in subProperties.keySet())
+        configObj.reflectDelegates(ConfigDelegate::class.java).forEach { (name, delegate) ->
+            descend(name).apply { delegate.addToBuilder(this) }
         }
     }
 
-    /**
-     * Execute the given lambda for all config properties.
-     * Lambda params: (category name, property name, property instance)
-     */
-    inline fun forEachProperty(init: (String, String, ConfigPropertyBase)->Unit) {
-        reflectFieldsOfType(ConfigPropertyBase::class.java).forEach { property ->
-            init("global", property.first.split("$")[0], property.second as ConfigPropertyBase)
-        }
-        for (category in reflectNestedObjects) {
-            category.second.reflectFieldsOfType(ConfigPropertyBase::class.java).forEach { property ->
-                init(category.first, property.first.split("$")[0], property.second as ConfigPropertyBase)
-            }
-        }
+    fun descend(pathName: String) = ConfigBuildContext(langPrefix, path + pathName, builder)
+}
+
+open class ConfigCategory(val comment: String? = null) {
+}
+
+abstract class ConfigDelegate<T> : ReadOnlyProperty<Any, T> {
+    lateinit var configValue: ForgeConfigSpec.ConfigValue<T>
+    var cachedValue: T? = null
+
+    override fun getValue(thisRef: Any, property: KProperty<*>): T {
+        if (cachedValue == null) cachedValue = configValue.get()
+        return cachedValue!!
     }
 
-    /** Save changes to the [Configuration]. */
-    fun save() { if (config?.hasChanged() ?: false) config!!.save() }
-
-    /**
-     * Returns true if any of the given configuration elements have changed.
-     * Supports both categories and
-     */
-    fun hasChanged(elements: List<ConfigPropertyBase>): Boolean {
-        reflectNestedObjects.forEach { category ->
-            if (category.second in elements && config?.getCategory(category.first)?.hasChanged() ?: false) return true
-        }
-        forEachProperty { category, name, property ->
-            if (property in elements && property.hasChanged) return true
-        }
-        return false
+    abstract fun getConfigValue(name: String, builder: ForgeConfigSpec.Builder): ForgeConfigSpec.ConfigValue<T>
+    fun addToBuilder(ctx: ConfigBuildContext) {
+        val langKey = ctx.langPrefix + "." + (langPrefixOverride ?: ctx.path.joinToString("."))
+        ctx.builder.translation(langKey)
+        configValue = getConfigValue(ctx.path.last(), ctx.builder)
     }
 
-    /** Called when the configuration for the mod changes. */
-    abstract fun onChange(event: ConfigChangedEvent.PostConfigChangedEvent)
+    var langPrefixOverride: String? = null
+    fun lang(prefix: String) = apply { langPrefixOverride = prefix }
 
-    @SubscribeEvent
-    fun handleConfigChange(event: ConfigChangedEvent.PostConfigChangedEvent) {
-        if (event.modID == modId) {
-            // refresh values
-            forEachProperty { c, n, prop -> prop.read() }
-
-            // call mod-specific handler
-            onChange(event)
-
-            // save to file
-            save()
-            Refs.resetChangedState.invoke(config!!)
-        }
-    }
-
-    /** Extension to get the underlying delegate of a field */
-    operator fun Any.get(name: String) = this.reflectField<ConfigPropertyBase>("$name\$delegate")
 }
 
-// ============================
-// Property delegates
-// ============================
-
-/** Base class for config property delegates. */
-abstract class ConfigPropertyBase {
-    /** Language key of the property. */
-    var lang: String? = null
-
-    /** GUI class to use. */
-    var guiClass: Class<out GuiConfigEntries.IConfigEntry>? = null
-
-    /** @return true if the property has changed. */
-    abstract val hasChanged: Boolean
-
-    /** Attach this delegate to a Forge [Configuration]. */
-    abstract fun attach(target: Configuration, langPrefix: String, categoryName: String, propertyName: String)
-
-    /** List of [Property] instances backing this delegate. */
-    abstract val guiProperties: List<Property>
-
-    /** Re-read the property value from the [Configuration]. */
-    open fun read() {}
+class DelegatingBooleanValue(val defaultValue: Boolean) : ConfigDelegate<Boolean>() {
+    override fun getConfigValue(name: String, builder: ForgeConfigSpec.Builder) = builder.define(name, defaultValue)
 }
 
-class ObsoleteConfigProperty : ConfigPropertyBase() {
-    override fun attach(target: Configuration, langPrefix: String, categoryName: String, propertyName: String) {
-        target.getCategory(categoryName)?.remove(propertyName)
-    }
-    override val guiProperties = emptyList<Property>()
-    override val hasChanged: Boolean get() = false
+class DelegatingIntValue(
+    val minValue: Int = 0,
+    val maxValue: Int = 1,
+    val defaultValue: Int = 0
+) : ConfigDelegate<Int>() {
+    override fun getConfigValue(name: String, builder: ForgeConfigSpec.Builder) = builder.defineInRange(name, defaultValue, minValue, maxValue)
 }
 
-/** Delegate for a property backed by a single [Property] instance. */
-abstract class ConfigPropertyDelegate<T>() : ConfigPropertyBase() {
-    /** Cached value of the property. */
-    var cached: T? = null
-    /** The [Property] backing this delegate. */
-    var property: Property? = null
-
-    override val guiProperties: List<Property> get() = listOf(property!!)
-    override val hasChanged: Boolean  get() =  property?.hasChanged() ?: false
-
-    /** Chained setter for the language key. */
-    fun lang(lang: String) = apply { this.lang = lang }
-
-    /** Read the backing [Property] instance. */
-    abstract fun Property.read(): T
-
-    /** Write the backing [Property] instance. */
-    abstract fun Property.write(value: T)
-
-    /** Get the backing [Property] instance. */
-    abstract fun resolve(target: Configuration, category: String, name: String): Property
-
-    /** Kotlin deleagation implementation. */
-    operator fun getValue(thisRef: Any, delegator: KProperty<*>): T {
-        if (cached != null) return cached!!
-        cached = property!!.read()
-        return cached!!
-    }
-
-    /** Kotlin deleagation implementation. */
-    operator fun setValue(thisRef: Any, delegator: KProperty<*>, value: T) {
-        cached = value
-        property!!.write(value)
-    }
-
-    override fun read() { cached = null }
-
-    override fun attach(target: Configuration, langPrefix: String, categoryName: String, propertyName: String) {
-        cached = null
-        property = resolve(target, categoryName, propertyName)
-        property!!.setLanguageKey("$langPrefix.$lang")
-    }
+class DelegatingLongValue(
+    val minValue: Long = 0,
+    val maxValue: Long = 1,
+    val defaultValue: Long = 0
+) : ConfigDelegate<Long>() {
+    override fun getConfigValue(name: String, builder: ForgeConfigSpec.Builder) = builder.defineInRange(name, defaultValue, minValue, maxValue)
 }
 
-/** [Double]-typed property delegate. */
-class ConfigPropertyDouble(val min: Double, val max: Double, val default: Double) :
-    ConfigPropertyDelegate<Double>() {
-    override fun resolve(target: Configuration, category: String, name: String) =
-            target.get(category, name, default, null).apply { setMinValue(min); setMaxValue(max) }
-    override fun Property.read() = property!!.double
-    override fun Property.write(value: Double) = property!!.set(value)
-}
-
-/** [Float]-typed property delegate. */
-class ConfigPropertyFloat(val min: Double, val max: Double, val default: Double) :
-    ConfigPropertyDelegate<Float>() {
-    override fun resolve(target: Configuration, category: String, name: String) =
-        target.get(category, name, default, null).apply { setMinValue(min); setMaxValue(max) }
-    override fun Property.read() = property!!.double.toFloat()
-    override fun Property.write(value: Float) = property!!.set(value.toDouble())
-}
-
-/** [Int]-typed property delegate. */
-class ConfigPropertyInt(val min: Int, val max: Int, val default: Int) :
-        ConfigPropertyDelegate<Int>() {
-    override fun resolve(target: Configuration, category: String, name: String) =
-            target.get(category, name, default, null).apply { setMinValue(min); setMaxValue(max) }
-    override fun Property.read() = property!!.int
-    override fun Property.write(value: Int) = property!!.set(value)
-}
-
-/** [Long]-typed property delegate. Still uses [Int] internally */
-class ConfigPropertyLong(val min: Int, val max: Int, val default: Int) :
-    ConfigPropertyDelegate<Long>() {
-    override fun resolve(target: Configuration, category: String, name: String) =
-        target.get(category, name, default, null).apply { setMinValue(min); setMaxValue(max) }
-    override fun Property.read() = property!!.long
-    override fun Property.write(value: Long) = property!!.set(value)
-}
-
-/** [Boolean]-typed property delegate. */
-class ConfigPropertyBoolean(val default: Boolean) :
-    ConfigPropertyDelegate<Boolean>() {
-    override fun resolve(target: Configuration, category: String, name: String) =
-            target.get(category, name, default, null)
-    override fun Property.read() = property!!.boolean
-    override fun Property.write(value: Boolean) = property!!.set(value)
-}
-
-/** [Int] array typed property delegate. */
-class ConfigPropertyIntList(val defaults: ()->Array<Int>) :
-        ConfigPropertyDelegate<Array<Int>>() {
-    override fun resolve(target: Configuration, category: String, name: String) =
-            target.get(category, name, defaults().toIntArray(), null)
-    override fun Property.read() = property!!.intList.toTypedArray()
-    override fun Property.write(value: Array<Int>) = property!!.set(value.toIntArray())
+class DelegatingDoubleValue(
+    val minValue: Double = 0.0,
+    val maxValue: Double = 1.0,
+    val defaultValue: Double = 0.0
+) : ConfigDelegate<Double>() {
+    override fun getConfigValue(name: String, builder: ForgeConfigSpec.Builder) = builder.defineInRange(name, defaultValue, minValue, maxValue)
 }
 
 // ============================
 // Delegate factory methods
 // ============================
-fun double(min: Double = 0.0, max: Double = 1.0, default: Double) = ConfigPropertyDouble(min, max, default)
-fun float(min: Double = 0.0, max: Double = 1.0, default: Double) = ConfigPropertyFloat(min, max, default)
-fun int(min: Int = 0, max: Int, default: Int) = ConfigPropertyInt(min, max, default)
-fun long(min: Int = 0, max: Int, default: Int) = ConfigPropertyLong(min, max, default)
-fun intList(defaults: ()->Array<Int>) = ConfigPropertyIntList(defaults)
-fun boolean(default: Boolean) = ConfigPropertyBoolean(default)
+fun double(min: Double = 0.0, max: Double = 1.0, default: Double) = DelegatingDoubleValue(min, max, default)
+fun int(min: Int = 0, max: Int, default: Int) = DelegatingIntValue(min, max, default)
+fun long(min: Long = 0, max: Long, default: Long) = DelegatingLongValue(min, max, default)
+fun boolean(default: Boolean) = DelegatingBooleanValue(default)

src/main/kotlin/mods/octarinecore/common/config/Matchers.kt

@@ -1,8 +1,11 @@
 package mods.octarinecore.common.config
 
+import mods.octarinecore.client.resource.getLines
+import mods.octarinecore.client.resource.resourceManager
 import mods.octarinecore.metaprog.getJavaClass
 import net.minecraft.block.Block
 import net.minecraft.util.ResourceLocation
+import org.apache.logging.log4j.Logger
 
 interface IBlockMatcher {
     fun matchesClass(block: Block): Boolean
@@ -19,8 +22,11 @@ class SimpleBlockMatcher(vararg val classes: Class<*>) : IBlockMatcher {
     }
 }
 
-class ConfigurableBlockMatcher(domain: String, path: String) : IBlockMatcher, BlackWhiteListConfigOption<Class<*>>(domain, path) {
-    override fun convertValue(line: String) = getJavaClass(line)
+class ConfigurableBlockMatcher(val logger: Logger, val location: ResourceLocation) : IBlockMatcher {
+
+    val blackList = mutableListOf<Class<*>>()
+    val whiteList = mutableListOf<Class<*>>()
+//    override fun convertValue(line: String) = getJavaClass(line)
 
     override fun matchesClass(block: Block): Boolean {
         val blockClass = block.javaClass
@@ -35,16 +41,34 @@ class ConfigurableBlockMatcher(domain: String, path: String) : IBlockMatcher, Bl
         whiteList.forEach { if (it.isAssignableFrom(blockClass)) return it }
         return null
     }
+
+    fun readDefaults() {
+        blackList.clear()
+        whiteList.clear()
+        resourceManager.getAllResources(location).forEach { resource ->
+            logger.debug("Reading resource $location from pack ${resource.packName}")
+            resource.getLines().map{ it.trim() }.filter { !it.startsWith("//") && it.isNotEmpty() }.forEach { line ->
+                if (line.startsWith("-")) getJavaClass(line.substring(1))?.let { blackList.add(it) }
+                else getJavaClass(line)?.let { whiteList.add(it) }
+
+            }
+        }
+    }
 }
 
 data class ModelTextureList(val modelLocation: ResourceLocation, val textureNames: List<String>) {
     constructor(vararg args: String) : this(ResourceLocation(args[0]), listOf(*args).drop(1))
 }
 
-class ModelTextureListConfigOption(domain: String, path: String, val minTextures: Int) : StringListConfigOption<ModelTextureList>(domain, path) {
-    override fun convertValue(line: String): ModelTextureList? {
-        val elements = line.split(",")
-        if (elements.size < minTextures + 1) return null
-        return ModelTextureList(ResourceLocation(elements.first()), elements.drop(1))
+class ModelTextureListConfiguration(val logger: Logger, val location: ResourceLocation) {
+    val modelList = mutableListOf<ModelTextureList>()
+    fun readDefaults() {
+        resourceManager.getAllResources(location).forEach { resource ->
+            logger.debug("Reading resource $location from pack ${resource.packName}")
+            resource.getLines().map{ it.trim() }.filter { !it.startsWith("//") && it.isNotEmpty() }.forEach { line ->
+                val elements = line.split(",")
+                modelList.add(ModelTextureList(ResourceLocation(elements.first()), elements.drop(1)))
+            }
+        }
     }
 }

src/main/kotlin/mods/octarinecore/common/config/StringListConfigOption.kt

@@ -1,43 +0,0 @@
-package mods.octarinecore.common.config
-
-import mods.octarinecore.client.gui.NonVerboseArrayEntry
-import mods.octarinecore.client.resource.get
-import mods.octarinecore.client.resource.getLines
-import mods.octarinecore.client.resource.resourceManager
-import net.minecraftforge.common.config.Configuration
-import net.minecraftforge.common.config.Property
-
-abstract class StringListConfigOption<VALUE>(val domain: String, val path: String) : ConfigPropertyBase() {
-
-    val list = mutableListOf<VALUE>()
-    lateinit var listProperty: Property
-
-    override val hasChanged: Boolean get() = listProperty.hasChanged() ?: false
-    override val guiProperties: List<Property> get() = listOf(listProperty)
-
-    override fun attach(target: Configuration, langPrefix: String, categoryName: String, propertyName: String) {
-        lang = null
-        val defaults = readDefaults(domain, path)
-        listProperty = target.get(categoryName, "${propertyName}", defaults)
-        listProperty.configEntryClass = NonVerboseArrayEntry::class.java
-        listProperty.languageKey = "$langPrefix.$categoryName.${listProperty.name}"
-        read()
-    }
-
-    abstract fun convertValue(line: String): VALUE?
-
-    override fun read() {
-        list.clear()
-        listProperty.stringList.forEach { line ->
-            val value = convertValue(line)
-            if (value != null) list.add(value)
-        }
-    }
-
-    fun readDefaults(domain: String, path: String): Array<String> {
-        val list = arrayListOf<String>()
-        val defaults = resourceManager[domain, path]?.getLines()
-        defaults?.map { it.trim() }?.filter { !it.startsWith("//") && it.isNotEmpty() }?.forEach { list.add(it) }
-        return list.toTypedArray()
-    }
-}

src/main/kotlin/mods/octarinecore/metaprog/Reflection.kt

@@ -5,6 +5,8 @@ import java.lang.reflect.Field
 import java.lang.reflect.Method
 import mods.octarinecore.metaprog.Namespace.*
 import mods.octarinecore.tryDefault
+import kotlin.reflect.KCallable
+import kotlin.reflect.KFunction
 
 /** Get a Java class with the given name. */
 fun getJavaClass(name: String) = tryDefault(null) { Class.forName(name) }
@@ -43,6 +45,14 @@ fun Any.reflectFieldsOfType(vararg types: Class<*>) = this.javaClass.declaredFie
     .map { field -> field.name to field.let { it.isAccessible = true; it.get(this) } }
     .filterNotNull()
 
+fun <T> Any.reflectFields(type: Class<T>) = this.javaClass.declaredFields
+    .filter { field -> type.isAssignableFrom(field.type) }
+    .map { field -> field.name to field.let { it.isAccessible = true; it.get(this) as T } }
+
+fun <T> Any.reflectDelegates(type: Class<T>) = this.javaClass.declaredFields
+    .filter { field -> type.isAssignableFrom(field.type) && field.name.contains("$") }
+    .map { field -> field.name.split("$")[0] to field.let { it.isAccessible = true; it.get(this) } as T }
+
 enum class Namespace { MCP, SRG }
 
 abstract class Resolvable<T> {
@@ -58,19 +68,19 @@ fun allAvailable(vararg codeElement: Resolvable<*>) = codeElement.all { it.eleme
  *
  * @param[name] MCP name of the class
  */
-open class ClassRef(val name: String) : Resolvable<Class<*>>() {
+open class ClassRef<T: Any?>(val name: String) : Resolvable<Class<T>>() {
 
     companion object {
         val int = ClassRefPrimitive("I", Int::class.java)
         val long = ClassRefPrimitive("J", Long::class.java)
         val float = ClassRefPrimitive("F", Float::class.java)
         val boolean = ClassRefPrimitive("Z", Boolean::class.java)
-        val void = ClassRefPrimitive("V", null)
+        val void = ClassRefPrimitive("V", Void::class.java)
     }
 
     open fun asmDescriptor(namespace: Namespace) = "L${name.replace(".", "/")};"
 
-    override fun resolve() = getJavaClass(name)
+    override fun resolve() = getJavaClass(name) as Class<T>?
 
     fun isInstance(obj: Any) = element?.isInstance(obj) ?: false
 }
@@ -81,18 +91,11 @@ open class ClassRef(val name: String) : Resolvable<Class<*>>() {
  * @param[name] ASM descriptor of this primitive type
  * @param[clazz] class of this primitive type
  */
-class ClassRefPrimitive(name: String, val clazz: Class<*>?) : ClassRef(name) {
+class ClassRefPrimitive<T>(name: String, val clazz: Class<T>?) : ClassRef<T>(name) {
     override fun asmDescriptor(namespace: Namespace) = name
     override fun resolve() = clazz
 }
 
-class ClassRefArray(name: String) : ClassRef(name) {
-    override fun asmDescriptor(namespace: Namespace) = "[" + super.asmDescriptor(namespace)
-    override fun resolve() = getJavaClass("[L$name;")
-}
-
-fun ClassRef.array() = ClassRefArray(name)
-
 /**
  * Reference to a method.
  *
@@ -102,13 +105,13 @@ fun ClassRef.array() = ClassRefArray(name)
  * @param[returnType] reference to the return type
  * @param[returnType] references to the argument types
  */
-class MethodRef(val parentClass: ClassRef,
+class MethodRef<T: Any?>(val parentClass: ClassRef<*>,
                 val mcpName: String,
                 val srgName: String,
-                val returnType: ClassRef,
-                vararg val argTypes: ClassRef
+                val returnType: ClassRef<T>,
+                vararg val argTypes: ClassRef<*>
 ) : Resolvable<Method>() {
-    constructor(parentClass: ClassRef, mcpName: String, returnType: ClassRef, vararg argTypes: ClassRef) :
+    constructor(parentClass: ClassRef<*>, mcpName: String, returnType: ClassRef<T>, vararg argTypes: ClassRef<*>) :
     this(parentClass, mcpName, mcpName, returnType, *argTypes)
 
     fun name(namespace: Namespace) = when(namespace) { SRG -> srgName; MCP -> mcpName }
@@ -125,11 +128,10 @@ class MethodRef(val parentClass: ClassRef,
         }
 
     /** Invoke this method using reflection. */
-    fun invoke(receiver: Any, vararg args: Any?) = element?.invoke(receiver, *args)
+    operator fun invoke(receiver: Any, vararg args: Any?) = element?.invoke(receiver, *args) as T
 
     /** Invoke this static method using reflection. */
     fun invokeStatic(vararg args: Any) = element?.invoke(null, *args)
-
 }
 
 /**
@@ -140,30 +142,41 @@ class MethodRef(val parentClass: ClassRef,
  * @param[srgName] SRG name of the field
  * @param[type] reference to the field type
  */
-class FieldRef(val parentClass: ClassRef,
+class FieldRef<T>(val parentClass: ClassRef<*>,
                val mcpName: String,
                val srgName: String,
-               val type: ClassRef?
+               val type: ClassRef<T>
 ) : Resolvable<Field>() {
-    constructor(parentClass: ClassRef, mcpName: String, type: ClassRef?) : this(parentClass, mcpName, mcpName, type)
+    constructor(parentClass: ClassRef<*>, mcpName: String, type: ClassRef<T>) : this(parentClass, mcpName, mcpName, type)
 
     fun name(namespace: Namespace) = when(namespace) { SRG -> srgName; MCP -> mcpName }
-    fun asmDescriptor(namespace: Namespace) = type!!.asmDescriptor(namespace)
+    fun asmDescriptor(namespace: Namespace) = type.asmDescriptor(namespace)
 
     override fun resolve(): Field? =
         if (parentClass.element == null) null
         else {
-            listOf(srgName, mcpName).map { tryDefault(null) {
+            listOf(srgName, mcpName).mapNotNull { tryDefault(null) {
                 parentClass.element!!.getDeclaredField(it)
-            }}.filterNotNull().firstOrNull()
+            } }.firstOrNull()
             ?.apply{ isAccessible = true }
         }
 
     /** Get this field using reflection. */
-    fun get(receiver: Any?) = element?.get(receiver)
+    operator fun get(receiver: Any?) = element?.get(receiver) as T
 
     /** Get this static field using reflection. */
     fun getStatic() = get(null)
 
     fun set(receiver: Any?, obj: Any?) { element?.set(receiver, obj) }
+}
+
+
+fun Any.isInstance(cls: ClassRef<*>) = cls.isInstance(this)
+interface ReflectionCallable<T> {
+    operator fun invoke(vararg args: Any): T
+}
+inline operator fun <reified T> Any.get(field: FieldRef<T>) = field.get(this)
+inline operator fun <reified T> Any.set(field: FieldRef<T>, value: T) = field.set(this, value)
+inline operator fun <T> Any.get(methodRef: MethodRef<T>) = object : ReflectionCallable<T> {
+    override fun invoke(vararg args: Any) = methodRef.invoke(this@get, args)
 }

src/main/kotlin/mods/octarinecore/metaprog/Transformation.kt

@@ -1,212 +0,0 @@
-package mods.octarinecore.metaprog
-
-import mods.octarinecore.metaprog.Namespace.*
-import net.minecraft.launchwrapper.IClassTransformer
-import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin
-import org.apache.logging.log4j.LogManager
-import org.objectweb.asm.ClassReader
-import org.objectweb.asm.ClassWriter
-import org.objectweb.asm.Opcodes
-import org.objectweb.asm.tree.*
-import java.io.File
-import java.io.FileOutputStream
-
-/**
- * Base class for convenient bytecode transformers.
- */
-open class Transformer : IClassTransformer {
-
-    val log = LogManager.getLogger(this)
-
-    /** The list of transformers and targets. */
-    var methodTransformers: MutableList<Pair<MethodRef, MethodTransformContext.()->Unit>> = arrayListOf()
-
-    /** Add a transformation to perform. Call this during instance initialization.
-     *
-     * @param[method] the target method of the transformation
-     * @param[trans] method transformation lambda
-     */
-    fun transformMethod(method: MethodRef, trans: MethodTransformContext.()->Unit) = methodTransformers.add(method to trans)
-
-    override fun transform(name: String?, transformedName: String?, classData: ByteArray?): ByteArray? {
-        if (classData == null) return null
-        val classNode = ClassNode().apply { val reader = ClassReader(classData); reader.accept(this, 0) }
-        var workDone = false
-        var writerFlags = 0
-
-        synchronized(this) {
-            methodTransformers.forEach { (targetMethod, transform) ->
-                if (transformedName != targetMethod.parentClass.name) return@forEach
-
-                for (method in classNode.methods) {
-                    val namespace = Namespace.values().find {
-                        method.name == targetMethod.name(it) && method.desc == targetMethod.asmDescriptor(it)
-                    } ?: continue
-                    when (namespace) {
-                        MCP -> log.info("Found method ${targetMethod.parentClass.name}.${targetMethod.name(MCP)} ${targetMethod.asmDescriptor(MCP)}")
-                        SRG -> log.info("Found method ${targetMethod.parentClass.name}.${targetMethod.name(namespace)} ${targetMethod.asmDescriptor(namespace)} (matching ${targetMethod.name(MCP)})")
-                    }
-
-                    // write input bytecode for debugging - definitely not in production...
-                    //File("BF_debug").mkdir()
-                    //FileOutputStream(File("BF_debug/$transformedName.class")).apply {
-                    //    write(classData)
-                    //    close()
-                    //}
-
-                    // transform
-                    writerFlags = MethodTransformContext(method, namespace, writerFlags).apply(transform).writerFlags
-                    workDone = true
-                }
-            }
-        }
-
-        return if (!workDone) classData else ClassWriter(writerFlags).apply { classNode.accept(this) }.toByteArray()
-    }
-}
-
-/**
- * Allows builder-style declarative definition of transformations. Transformation lambdas are extension
- * methods on this class.
- *
- * @param[method] the [MethodNode] currently being transformed
- * @param[environment] the type of environment we are in
- */
-class MethodTransformContext(val method: MethodNode, val environment: Namespace, var writerFlags: Int) {
-
-    fun applyWriterFlags(vararg flagValue: Int) { flagValue.forEach { writerFlags = writerFlags or it } }
-
-    fun makePublic() {
-        method.access = (method.access or Opcodes.ACC_PUBLIC) and (Opcodes.ACC_PRIVATE or Opcodes.ACC_PROTECTED).inv()
-    }
-
-    /**
-     * Find the first instruction that matches a predicate.
-     *
-     * @param[start] the instruction node to start iterating from
-     * @param[predicate] the predicate to check
-     */
-    fun find(start: AbstractInsnNode, predicate: (AbstractInsnNode) -> Boolean): AbstractInsnNode? {
-        var current: AbstractInsnNode? = start
-        while (current != null && !predicate(current)) current = current.next
-        return current
-    }
-
-    /** Find the first instruction in the current [MethodNode] that matches a predicate. */
-    fun find(predicate: (AbstractInsnNode)->Boolean): AbstractInsnNode? = find(method.instructions.first, predicate)
-
-    /** Find the first instruction in the current [MethodNode] with the given opcode. */
-    fun find(opcode: Int) = find { it.opcode == opcode }
-
-    /**
-     * Insert new instructions after this one.
-     *
-     * @param[init] builder-style lambda to assemble instruction list
-     */
-    fun AbstractInsnNode.insertAfter(init: InstructionList.()->Unit) = InstructionList(environment).apply{
-        this.init(); list.reversed().forEach { method.instructions.insert(this@insertAfter, it) }
-    }
-
-    /**
-     * Insert new instructions before this one.
-     *
-     * @param[init] builder-style lambda to assemble instruction list
-     */
-    fun AbstractInsnNode.insertBefore(init: InstructionList.()->Unit) = InstructionList(environment).apply{
-        val insertBeforeNode = this@insertBefore //.let { if (it.previous is FrameNode) it.previous else it }
-        this.init(); list.forEach { method.instructions.insertBefore(insertBeforeNode, it) }
-    }
-
-    fun AbstractInsnNode.replace(init: InstructionList.()->Unit) = InstructionList(environment).apply {
-        insertAfter(init)
-        method.instructions.remove(this@replace)
-    }
-    /** Remove all isntructiuons between the given two (inclusive). */
-    fun Pair<AbstractInsnNode, AbstractInsnNode>.remove() {
-        var current: AbstractInsnNode? = first
-        while (current != null && current != second) {
-            val next = current.next
-            method.instructions.remove(current)
-            current = next
-        }
-        if (current != null) method.instructions.remove(current)
-    }
-
-    /**
-     * Replace all isntructiuons between the given two (inclusive) with the specified instruction list.
-     *
-     * @param[init] builder-style lambda to assemble instruction list
-     */
-    fun Pair<AbstractInsnNode, AbstractInsnNode>.replace(init: InstructionList.()->Unit) {
-        val beforeInsn = first.previous
-        remove()
-        beforeInsn.insertAfter(init)
-    }
-
-    /**
-     * Matches variable instructions.
-     *
-     * @param[opcode] instruction opcode
-     * @param[idx] variable the opcode references
-     */
-    fun varinsn(opcode: Int, idx: Int): (AbstractInsnNode)->Boolean = { insn ->
-        insn.opcode == opcode && insn is VarInsnNode && insn.`var` == idx
-    }
-
-    fun invokeName(name: String): (AbstractInsnNode)->Boolean = { insn ->
-        (insn as? MethodInsnNode)?.name == name
-    }
-
-    fun invokeRef(ref: MethodRef): (AbstractInsnNode)->Boolean = { insn ->
-        (insn as? MethodInsnNode)?.let {
-            it.name == ref.name(environment) && it.owner == ref.parentClass.name.replace(".", "/")
-        } ?: false
-    }
-}
-
-/**
- * Allows builder-style declarative definition of instruction lists.
- *
- * @param[environment] the type of environment we are in
- */
-class InstructionList(val environment: Namespace) {
-
-    fun insn(opcode: Int) = list.add(InsnNode(opcode))
-
-    /** The instruction list being assembled. */
-    val list: MutableList<AbstractInsnNode> = arrayListOf()
-
-    /**
-     * Adds a variable instruction.
-     *
-     * @param[opcode] instruction opcode
-     * @param[idx] variable the opcode references
-     */
-    fun varinsn(opcode: Int, idx: Int) = list.add(VarInsnNode(opcode, idx))
-
-    /**
-     * Adds an INVOKESTATIC instruction.
-     *
-     * @param[target] the target method of the instruction
-     * @param[isInterface] true if the target method is defined by an interface
-     */
-    fun invokeStatic(target: MethodRef, isInterface: Boolean = false) = list.add(MethodInsnNode(
-            Opcodes.INVOKESTATIC,
-            target.parentClass.name.replace(".", "/"),
-            target.name(environment),
-            target.asmDescriptor(environment),
-            isInterface
-    ))
-
-    /**
-     * Adds a GETFIELD instruction.
-     *
-     * @param[target] the target field of the instruction
-     */
-    fun getField(target: FieldRef) = list.add(FieldInsnNode(
-            Opcodes.GETFIELD,
-            target.parentClass.name.replace(".", "/"),
-            target.name(environment),
-            target.asmDescriptor(environment)
-    ))
-}