diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fc6f264
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+.idea/
+*.iml
+*.ipr
+*.iws
+run/
+.gradle/
+build/
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..35a385c
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,68 @@
+apply plugin: "forge"
+apply plugin: "kotlin"
+
+group = 'com.github.octarine-noise'
+version = "2.0"
+archivesBaseName = rootProject.name + '-MC1.7.10'
+
+buildscript {
+    ext.kotlin_version = '1.0.0-beta-4583'
+    repositories {
+        mavenCentral()
+        maven {
+            name = "forge"
+            url = "http://files.minecraftforge.net/maven"
+        }
+        maven {
+            name = "sonatype"
+            url = "https://oss.sonatype.org/content/repositories/snapshots/"
+        }
+    }
+    dependencies {
+        classpath "net.minecraftforge.gradle:ForgeGradle:1.2-SNAPSHOT"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+configurations {
+    shade
+    compile.extendsFrom shade
+}
+dependencies {
+    shade "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+}
+minecraft {
+    version = '1.7.10-10.13.4.1448-1.7.10'
+    srgExtra "PK: kotlin mods/betterfoliage/kotlin"
+}
+
+processResources {
+    inputs.property "version", project.version
+    inputs.property "mcversion", project.minecraft.version
+
+    from(sourceSets.main.resources.srcDirs) {
+        include 'mcmod.info'
+        expand 'version':project.version, 'mcversion':project.minecraft.version
+    }
+
+    from(sourceSets.main.resources.srcDirs) {
+        exclude 'mcmod.info'
+    }
+
+    into "${buildDir}/classes/main"
+}
+
+jar {
+    manifest {
+        attributes "FMLCorePlugin": "mods.betterfoliage.loader.BetterFoliageLoader"
+        attributes "FMLCorePluginContainsFMLMod": "mods.betterfoliage.BetterFoliageMod"
+    }
+    configurations.shade.each { dep ->
+        from(project.zipTree(dep)){
+            exclude 'META-INF', 'META-INF/**'
+        }
+    }
+}
+
+repositories {
+    mavenCentral()
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..75d2e73
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,2 @@
+rootProject.name = 'BetterFoliage'
+
diff --git a/src/main/kotlin/mods/betterfoliage/BetterFoliageMod.kt b/src/main/kotlin/mods/betterfoliage/BetterFoliageMod.kt
new file mode 100644
index 0000000..bf40168
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/BetterFoliageMod.kt
@@ -0,0 +1,60 @@
+package mods.betterfoliage
+
+import cpw.mods.fml.common.FMLCommonHandler
+import cpw.mods.fml.common.Mod
+import cpw.mods.fml.common.event.FMLPostInitializationEvent
+import cpw.mods.fml.common.event.FMLPreInitializationEvent
+import cpw.mods.fml.common.network.NetworkCheckHandler
+import cpw.mods.fml.relauncher.Side
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.client.integration.ShadersModIntegration
+import mods.betterfoliage.client.integration.TFCIntegration
+import mods.betterfoliage.loader.Refs
+import mods.octarinecore.metaprog.ClassRef
+import net.minecraftforge.common.config.Configuration
+import org.apache.logging.log4j.Level.*
+import org.apache.logging.log4j.Logger
+
+@Mod(
+    modid = BetterFoliageMod.MOD_ID,
+    name = BetterFoliageMod.MOD_NAME,
+    acceptedMinecraftVersions = BetterFoliageMod.MC_VERSIONS,
+    guiFactory = BetterFoliageMod.GUI_FACTORY
+)
+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 = "[1.7.10]"
+    const val GUI_FACTORY = "mods.betterfoliage.client.gui.ConfigGuiFactory"
+
+    var log: Logger? = null
+    var config: Configuration? = null
+
+    @JvmStatic
+    @Mod.InstanceFactory
+    // the fun never stops with the fun factory! :)
+    fun factory() = this
+
+    @Mod.EventHandler
+    fun preInit(event: FMLPreInitializationEvent) {
+        log = event.modLog
+        config = Configuration(event.suggestedConfigurationFile, null, true)
+
+    }
+
+    @Mod.EventHandler
+    fun postInit(event: FMLPostInitializationEvent) {
+        if (FMLCommonHandler.instance().effectiveSide == Side.CLIENT) {
+            Config.attach(config!!)
+            Client.log(INFO, "BetterFoliage initialized")
+        }
+    }
+
+    /** Mod is cosmetic only, always allow connection. */
+    @NetworkCheckHandler
+    fun checkVersion(mods: Map<String, String>, side: Side) = true
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/Client.kt b/src/main/kotlin/mods/betterfoliage/client/Client.kt
new file mode 100644
index 0000000..ad79fa4
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/Client.kt
@@ -0,0 +1,75 @@
+package mods.betterfoliage.client
+
+import cpw.mods.fml.client.FMLClientHandler
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.gui.ConfigGuiFactory
+import mods.betterfoliage.client.integration.CLCIntegration
+import mods.betterfoliage.client.integration.ShadersModIntegration
+import mods.betterfoliage.client.integration.TFCIntegration
+import mods.betterfoliage.client.render.*
+import mods.betterfoliage.client.texture.*
+import mods.octarinecore.client.KeyHandler
+import mods.octarinecore.client.resource.CenteringTextureGenerator
+import mods.octarinecore.client.resource.GeneratorPack
+import net.minecraft.client.Minecraft
+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 {
+
+    val configKey = KeyHandler(BetterFoliageMod.MOD_NAME, 66, "key.betterfoliage.gui") {
+        FMLClientHandler.instance().showGuiScreen(
+            ConfigGuiFactory.ConfigGuiBetterFoliage(Minecraft.getMinecraft().currentScreen)
+        )
+    }
+
+    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 logRenderer = RenderLog()
+
+    val renderers = listOf(
+        RenderGrass(),
+        RenderMycelium(),
+        RenderLeaves(),
+        RenderCactus(),
+        RenderLilypad(),
+        RenderReeds(),
+        RenderAlgae(),
+        RenderCoral(),
+        logRenderer,
+        RenderNetherrack(),
+        RenderConnectedGrass(),
+        RenderConnectedGrassLog()
+    )
+
+    val singletons = listOf(
+        LeafRegistry,
+        GrassRegistry,
+        LeafWindTracker,
+        RisingSoulTextures,
+        TFCIntegration,
+        ShadersModIntegration,
+        CLCIntegration
+    )
+
+    fun log(level: Level, msg: String) = BetterFoliageMod.log!!.log(level, msg)
+}
+
diff --git a/src/main/kotlin/mods/betterfoliage/client/Hooks.kt b/src/main/kotlin/mods/betterfoliage/client/Hooks.kt
new file mode 100644
index 0000000..a5ee1e7
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/Hooks.kt
@@ -0,0 +1,58 @@
+@file:JvmName("Hooks")
+@file:SideOnly(Side.CLIENT)
+package mods.betterfoliage.client
+
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.client.render.EntityFallingLeavesFX
+import mods.betterfoliage.client.render.EntityRisingSoulFX
+import mods.octarinecore.client.render.blockContext
+import net.minecraft.block.Block
+import net.minecraft.client.Minecraft
+import net.minecraft.init.Blocks
+import net.minecraft.world.IBlockAccess
+import net.minecraft.world.World
+
+fun getRenderTypeOverride(blockAccess: IBlockAccess, x: Int, y: Int, z: Int, block: Block, original: Int): Int {
+    if (!Config.enabled) return original;
+
+    // universal sign for DON'T RENDER ME!
+    if (original == -1) return original;
+
+    return blockContext.let { ctx ->
+        ctx.set(blockAccess, x, y, z)
+        Client.renderers.find { it.isEligible(ctx) }?.renderId ?: original
+    }
+}
+
+fun shouldRenderBlockSideOverride(original: Boolean, blockAccess: IBlockAccess, x: Int, y: Int, z: Int, side: Int): Boolean {
+    return original || (Config.enabled && Config.roundLogs.enabled && Config.blocks.logs.matchesID(blockAccess.getBlock(x, y, z)));
+}
+
+fun getAmbientOcclusionLightValueOverride(original: Float, block: Block): Float {
+    if (Config.enabled && Config.roundLogs.enabled && Config.blocks.logs.matchesID(block)) return Config.roundLogs.dimming;
+    return original;
+}
+
+fun getUseNeighborBrightnessOverride(original: Boolean, block: Block): Boolean {
+    return original || (Config.enabled && Config.roundLogs.enabled && Config.blocks.logs.matchesID(block));
+}
+
+fun onRandomDisplayTick(block: Block, world: World, x: Int, y: Int, z: Int) {
+    if (Config.enabled &&
+        Config.risingSoul.enabled &&
+        block == Blocks.soul_sand &&
+        world.isAirBlock(x, y + 1, z) &&
+        Math.random() < Config.risingSoul.chance) {
+            EntityRisingSoulFX(world, x, y, z).addIfValid()
+    }
+
+    if (Config.enabled &&
+        Config.fallingLeaves.enabled &&
+        Config.blocks.leaves.matchesID(block) &&
+        world.isAirBlock(x, y - 1, z) &&
+        Math.random() < Config.fallingLeaves.chance) {
+            EntityFallingLeavesFX(world, x, y, z).addIfValid()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/config/BlockMatcher.kt b/src/main/kotlin/mods/betterfoliage/client/config/BlockMatcher.kt
new file mode 100644
index 0000000..73bd8bf
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/config/BlockMatcher.kt
@@ -0,0 +1,88 @@
+package mods.betterfoliage.client.config
+
+import cpw.mods.fml.common.eventhandler.SubscribeEvent
+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 mods.octarinecore.config.ConfigPropertyBase
+import mods.octarinecore.metaprog.getJavaClass
+import net.minecraft.block.Block
+import net.minecraft.client.multiplayer.WorldClient
+import net.minecraftforge.common.MinecraftForge
+import net.minecraftforge.common.config.Configuration
+import net.minecraftforge.common.config.Property
+import net.minecraftforge.event.world.WorldEvent
+
+/**
+ * Match blocks based on their class names. Caches block IDs for faster lookup.
+ *
+ * @param[domain] resource domain for defaults file
+ * @param[path] resource path for defaults file
+ */
+class BlockMatcher(val domain: String, val path: String) : ConfigPropertyBase() {
+
+    val blackList = linkedListOf<Class<*>>()
+    val whiteList = linkedListOf<Class<*>>()
+    val blockIDs = hashSetOf<Int>()
+    var blacklistProperty: Property? = null
+    var whitelistProperty: Property? = null
+
+    fun matchesClass(block: Block): Boolean {
+        val blockClass = block.javaClass
+        blackList.forEach { if (it.isAssignableFrom(blockClass)) return false }
+        whiteList.forEach { if (it.isAssignableFrom(blockClass)) return true }
+        return false
+    }
+    fun matchesID(block: Block) = blockIDs.contains(Block.blockRegistry.getIDForObject(block))
+    fun matchesID(blockId: Int) = blockIDs.contains(blockId)
+
+    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, "${propertyName}Whitelist", defaults.second)
+        listOf(blacklistProperty!!, whitelistProperty!!).forEach {
+            it.setConfigEntryClass(NonVerboseArrayEntry::class.java)
+            it.setLanguageKey("$langPrefix.$categoryName.${it.name}")
+        }
+        read()
+    }
+
+    override fun read() {
+        listOf(Pair(blackList, blacklistProperty!!), Pair(whiteList, whitelistProperty!!)).forEach {
+            it.first.clear()
+            it.first.addAll(it.second.stringList.map { getJavaClass(it) }.filterNotNull())
+        }
+        updateIDs()
+    }
+
+    fun updateIDs() {
+        blockIDs.clear()
+        Block.blockRegistry.forEach {
+            if (matchesClass(it as Block)) blockIDs.add(Block.blockRegistry.getIDForObject(it))
+        }
+    }
+
+    override val hasChanged: Boolean
+        get() = blacklistProperty?.hasChanged() ?: false || whitelistProperty?.hasChanged() ?: false
+
+    override val guiProperties: List<Property> get() = listOf(whitelistProperty!!, blacklistProperty!!)
+
+    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())
+    }
+
+    @SubscribeEvent
+    fun onWorldLoad(event: WorldEvent.Load) { if (event.world is WorldClient) updateIDs() }
+
+    init { MinecraftForge.EVENT_BUS.register(this) }
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/config/Config.kt b/src/main/kotlin/mods/betterfoliage/client/config/Config.kt
new file mode 100644
index 0000000..79b15fe
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/config/Config.kt
@@ -0,0 +1,183 @@
+package mods.betterfoliage.client.config
+
+import cpw.mods.fml.client.event.ConfigChangedEvent
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.gui.BiomeListConfigEntry
+import mods.octarinecore.config.*
+import mods.octarinecore.metaprog.reflectField
+import net.minecraft.client.Minecraft
+import net.minecraft.world.biome.BiomeGenBase
+
+// BetterFoliage-specific property delegates
+private fun featureEnable() = boolean(true).lang("enabled")
+private fun distanceLimit() = int(min=1, max=1000, default=1000).lang("distance")
+fun biomeList(defaults: (BiomeGenBase) -> Boolean) = intList {
+    BiomeGenBase.getBiomeGenArray().filter { it != null && defaults(it) }.map { it.biomeID }.toTypedArray()
+}.apply { guiClass = BiomeListConfigEntry::class.java }
+
+// Biome filter methods
+private fun BiomeGenBase.filterTemp(min: Float?, max: Float?) = (min == null || min <= temperature) && (max == null || max >= temperature)
+private fun BiomeGenBase.filterRain(min: Float?, max: Float?) = (min == null || min <= rainfall) && (max == null || max >= rainfall)
+private fun BiomeGenBase.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) {
+
+    var enabled by boolean(true)
+
+    object blocks {
+        val dirt = BlockMatcher(BetterFoliageMod.DOMAIN, "DirtDefault.cfg")
+        val grass = BlockMatcher(BetterFoliageMod.DOMAIN, "GrassDefault.cfg")
+        val leaves = BlockMatcher(BetterFoliageMod.DOMAIN, "LeavesDefault.cfg")
+        val crops = BlockMatcher(BetterFoliageMod.DOMAIN, "CropDefault.cfg")
+        val logs = BlockMatcher(BetterFoliageMod.DOMAIN, "LogDefault.cfg")
+        val sand = BlockMatcher(BetterFoliageMod.DOMAIN, "SandDefault.cfg")
+        val lilypad = BlockMatcher(BetterFoliageMod.DOMAIN, "LilypadDefault.cfg")
+        val cactus = BlockMatcher(BetterFoliageMod.DOMAIN, "CactusDefault.cfg")
+    }
+
+    object leaves {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        val hOffset by double(max=0.4, default=0.2).lang("hOffset")
+        val vOffset by double(max=0.4, default=0.1).lang("vOffset")
+        val size by double(min=0.75, max=2.5, default=1.4).lang("size")
+        val dense by boolean(false)
+    }
+
+    object shortGrass {
+        val grassEnabled by boolean(true)
+        val myceliumEnabled by boolean(true)
+        val snowEnabled by boolean(true)
+        val distance by distanceLimit()
+        val hOffset by double(max=0.4, default=0.2).lang("hOffset")
+        val heightMin by double(min=0.1, max=2.5, default=0.6).lang("heightMin")
+        val heightMax by double(min=0.1, max=2.5, default=0.8).lang("heightMax")
+        val size by double(min=0.5, max=1.5, default=1.0).lang("size")
+        val useGenerated by boolean(false)
+        val shaderWind by boolean(true).lang("shaderWind")
+        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 {
+        val enabled by boolean(true)
+        val snowEnabled by boolean(false)
+    }
+
+    object roundLogs {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        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 connectSolids by boolean(false)
+        val lenientConnect by boolean(true)
+        val connectPerpendicular by boolean(true)
+        val connectGrass by boolean(true)
+        val zProtection by double(min = 0.9, default = 0.99)
+    }
+
+    object cactus {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        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 {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        val hOffset by double(max=0.25, default=0.1).lang("hOffset")
+        val flowerChance by int(max=64, default=16, min=0)
+    }
+
+    object reed {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        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 shaderWind by boolean(true).lang("shaderWind")
+    }
+
+    object algae {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        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 shaderWind by boolean(true).lang("shaderWind")
+    }
+
+    object coral {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        val shallowWater by boolean(false)
+        val hOffset by double(max=0.4, default=0.2).lang("hOffset")
+        val vOffset by double(max=0.4, default=0.1).lang("vOffset")
+        val size by double(min=0.5, max=1.5, default=0.7).lang("size")
+        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") }
+    }
+
+    object netherrack {
+        val enabled by featureEnable()
+        val distance by distanceLimit()
+        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")
+        val heightMax by double(min=0.1, max=1.5, default=0.8).lang("heightMax")
+        val size by double(min=0.5, max=1.5, default=1.0).lang("size")
+    }
+
+    object fallingLeaves {
+        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 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 {
+        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 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 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)
+    }
+
+    override fun onChange(event: ConfigChangedEvent.OnConfigChangedEvent) {
+        super.onChange(event)
+        if (hasChanged(blocks, shortGrass["saturationThreshold"]))
+            Minecraft.getMinecraft().refreshResources()
+        else
+            Minecraft.getMinecraft().renderGlobal.loadRenderers()
+    }
+}
diff --git a/src/main/kotlin/mods/betterfoliage/client/gui/BiomeListConfigEntry.kt b/src/main/kotlin/mods/betterfoliage/client/gui/BiomeListConfigEntry.kt
new file mode 100644
index 0000000..ef0a93e
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/gui/BiomeListConfigEntry.kt
@@ -0,0 +1,19 @@
+package mods.betterfoliage.client.gui
+
+import cpw.mods.fml.client.config.GuiConfig
+import cpw.mods.fml.client.config.GuiConfigEntries
+import cpw.mods.fml.client.config.IConfigElement
+import mods.octarinecore.client.gui.IdListConfigEntry
+import net.minecraft.world.biome.BiomeGenBase
+
+/** Toggleable list of all defined biomes. */
+class BiomeListConfigEntry(
+        owningScreen: GuiConfig,
+        owningEntryList: GuiConfigEntries,
+        configElement: IConfigElement<*>)
+: IdListConfigEntry<BiomeGenBase>(owningScreen, owningEntryList, configElement) {
+
+    override val baseSet: List<BiomeGenBase> get() = BiomeGenBase.getBiomeGenArray().filterNotNull()
+    override val BiomeGenBase.itemId: Int get() = this.biomeID
+    override val BiomeGenBase.itemName: String get() = this.biomeName
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/gui/ConfigGuiFactory.kt b/src/main/kotlin/mods/betterfoliage/client/gui/ConfigGuiFactory.kt
new file mode 100644
index 0000000..655b75f
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/gui/ConfigGuiFactory.kt
@@ -0,0 +1,27 @@
+package mods.betterfoliage.client.gui
+
+import cpw.mods.fml.client.IModGuiFactory
+import cpw.mods.fml.client.IModGuiFactory.RuntimeOptionCategoryElement
+import cpw.mods.fml.client.config.GuiConfig
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.config.Config
+import net.minecraft.client.Minecraft
+import net.minecraft.client.gui.GuiScreen
+
+class ConfigGuiFactory : IModGuiFactory {
+
+    override fun mainConfigGuiClass() = ConfigGuiBetterFoliage::class.java
+    override fun runtimeGuiCategories() = hashSetOf<RuntimeOptionCategoryElement>()
+    override fun getHandlerFor(element: RuntimeOptionCategoryElement?) = null
+    override fun initialize(minecraftInstance: Minecraft?) { }
+
+    class ConfigGuiBetterFoliage(parentScreen: GuiScreen?) : GuiConfig(
+            parentScreen,
+            Config.rootGuiElements,
+            BetterFoliageMod.MOD_ID,
+            null,
+            false,
+            false,
+            BetterFoliageMod.MOD_NAME
+    )
+}
diff --git a/src/main/kotlin/mods/betterfoliage/client/integration/CLCIntegration.kt b/src/main/kotlin/mods/betterfoliage/client/integration/CLCIntegration.kt
new file mode 100644
index 0000000..90febdb
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/integration/CLCIntegration.kt
@@ -0,0 +1,19 @@
+package mods.betterfoliage.client.integration
+
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.loader.Refs
+import mods.octarinecore.client.render.brightnessComponents
+import org.apache.logging.log4j.Level.*
+
+/**
+ * Integration for Colored Lights Core.
+ */
+object CLCIntegration {
+
+    init {
+        if (Refs.CLCLoadingPlugin.element != null) {
+            Client.log(INFO, "Colored Lights Core integration enabled")
+            brightnessComponents = listOf(4, 8, 12, 16, 20)
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/integration/ShadersModIntegration.kt b/src/main/kotlin/mods/betterfoliage/client/integration/ShadersModIntegration.kt
new file mode 100644
index 0000000..86c3395
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/integration/ShadersModIntegration.kt
@@ -0,0 +1,53 @@
+package mods.betterfoliage.client.integration
+
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.loader.Refs
+import mods.octarinecore.metaprog.allAvailable
+import net.minecraft.block.Block
+import net.minecraft.init.Blocks
+import org.apache.logging.log4j.Level.*
+
+/**
+ * Integration for ShadersMod.
+ */
+@SideOnly(Side.CLIENT)
+object ShadersModIntegration {
+
+    @JvmStatic var isPresent = false
+    @JvmStatic val tallGrassEntityData = Block.blockRegistry.getIDForObject(Blocks.tallgrass) and 65535 or (Blocks.tallgrass.renderType shl 16)
+    @JvmStatic val leavesEntityData = Block.blockRegistry.getIDForObject(Blocks.leaves) and 65535 or (Blocks.leaves.renderType shl 16)
+
+    /**
+     * Called from transformed ShadersMod code.
+     * @see mods.betterfoliage.loader.BetterFoliageTransformer
+     */
+    @JvmStatic fun getBlockIdOverride(original: Int, block: Block): Int {
+        if (Config.blocks.leaves.matchesID(original and 65535)) return leavesEntityData
+        if (Config.blocks.crops.matchesID(original and 65535)) return tallGrassEntityData
+        return original
+    }
+
+    init {
+        if (allAvailable(Refs.pushEntity_I, Refs.popEntity)) {
+            Client.log(INFO, "ShadersMod integration enabled")
+            isPresent = true
+        }
+    }
+
+    /** Quads rendered inside this block will behave as tallgrass blocks in shader programs. */
+    inline fun grass(enabled: Boolean = true, func: ()->Unit) {
+        if (isPresent && enabled) Refs.pushEntity_I.invokeStatic(tallGrassEntityData)
+        func()
+        if (isPresent && enabled) Refs.popEntity.invokeStatic()
+    }
+
+    /** Quads rendered inside this block will behave as leaf blocks in shader programs. */
+    inline fun leaves(enabled: Boolean = true, func: ()->Unit) {
+        if (isPresent && enabled) Refs.pushEntity_I.invokeStatic(leavesEntityData)
+        func()
+        if (isPresent && enabled) Refs.popEntity.invokeStatic()
+    }
+}
diff --git a/src/main/kotlin/mods/betterfoliage/client/integration/TFCIntegration.kt b/src/main/kotlin/mods/betterfoliage/client/integration/TFCIntegration.kt
new file mode 100644
index 0000000..eb6f189
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/integration/TFCIntegration.kt
@@ -0,0 +1,37 @@
+package mods.betterfoliage.client.integration
+
+import cpw.mods.fml.common.Loader
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.client.Client
+import mods.octarinecore.client.render.Axis
+import net.minecraft.block.Block
+import org.apache.logging.log4j.Level
+
+/**
+ * Integration for TerraFirmaCraft
+ */
+@SideOnly(Side.CLIENT)
+object TFCIntegration {
+    @JvmStatic val vanillaLogAxis = Client.logRenderer.axisFunc
+
+    init {
+        if (Loader.isModLoaded("terrafirmacraft")) {
+            Client.log(Level.INFO, "TerraFirmaCraft found - setting up compatibility")
+
+            // patch axis detection for log blocks to support TFC logs
+            Client.logRenderer.axisFunc = { block: Block, meta: Int ->
+                block.javaClass.name.let {
+                    if (it.startsWith("com.bioxx.tfc")) {
+                        if (it.contains("Horiz"))
+                            if (meta shr 3 == 0) Axis.Z else Axis.X
+                        else
+                            Axis.Y
+                    } else {
+                        vanillaLogAxis(block, meta)
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/AbstractRenderColumn.kt b/src/main/kotlin/mods/betterfoliage/client/render/AbstractRenderColumn.kt
new file mode 100644
index 0000000..fba339d
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/AbstractRenderColumn.kt
@@ -0,0 +1,301 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.client.render.AbstractRenderColumn.BlockType.*
+import mods.betterfoliage.client.render.AbstractRenderColumn.QuadrantType.*
+import mods.octarinecore.client.render.*
+import net.minecraft.block.Block
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.*
+
+/** Index of SOUTH-EAST quadrant. */
+const val SE = 0
+/** Index of NORTH-EAST quadrant. */
+const val NE = 1
+/** Index of NORTH-WEST quadrant. */
+const val NW = 2
+/** Index of SOUTH-WEST quadrant. */
+const val SW = 3
+
+@Suppress("NOTHING_TO_INLINE")
+abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandler(modId) {
+
+    enum class BlockType { SOLID, NONSOLID, PARALLEL, PERPENDICULAR }
+    enum class QuadrantType { SMALL_RADIUS, LARGE_RADIUS, SQUARE, INVISIBLE }
+
+    /** The rotations necessary to bring the models in position for the 4 quadrants */
+    val quadrantRotations = Array(4) { Rotation.rot90[UP.ordinal] * it }
+
+    // ============================
+    // Configuration
+    // ============================
+    abstract val radiusSmall: Double
+    abstract val radiusLarge: Double
+    abstract val surroundPredicate: (Block) -> Boolean
+    abstract val connectPerpendicular: Boolean
+    abstract val connectSolids: Boolean
+    abstract val lenientConnect: Boolean
+
+    // ============================
+    // Models
+    // ============================
+    val sideSquare = model { columnSideSquare(-0.5, 0.5) }
+    val sideRoundSmall = model { columnSide(radiusSmall, -0.5, 0.5) }
+    val sideRoundLarge = model { columnSide(radiusLarge, -0.5, 0.5) }
+
+    val extendTopSquare = model { columnSideSquare(0.5, 0.5 + radiusLarge, topExtension(radiusLarge)) }
+    val extendTopRoundSmall = model { columnSide(radiusSmall, 0.5, 0.5 + radiusLarge, topExtension(radiusLarge)) }
+    val extendTopRoundLarge = model { columnSide(radiusLarge, 0.5, 0.5 + radiusLarge, topExtension(radiusLarge)) }
+    inline fun extendTop(type: QuadrantType) = when(type) {
+        SMALL_RADIUS -> extendTopRoundSmall.model
+        LARGE_RADIUS -> extendTopRoundLarge.model
+        SQUARE -> extendTopSquare.model
+        INVISIBLE -> extendTopSquare.model
+        else -> null
+    }
+
+    val extendBottomSquare = model { columnSideSquare(-0.5 - radiusLarge, -0.5, bottomExtension(radiusLarge)) }
+    val extendBottomRoundSmall = model { columnSide(radiusSmall, -0.5 - radiusLarge, -0.5, bottomExtension(radiusLarge)) }
+    val extendBottomRoundLarge = model { columnSide(radiusLarge, -0.5 - radiusLarge, -0.5, bottomExtension(radiusLarge)) }
+    inline fun extendBottom(type: QuadrantType) = when (type) {
+        SMALL_RADIUS -> extendBottomRoundSmall.model
+        LARGE_RADIUS -> extendBottomRoundLarge.model
+        SQUARE -> extendBottomSquare.model
+        INVISIBLE -> extendBottomSquare.model
+        else -> null
+    }
+
+    val topSquare = model { columnLidSquare() }
+    val topRoundSmall = model { columnLid(radiusSmall) }
+    val topRoundLarge = model { columnLid(radiusLarge) }
+    inline fun flatTop(type: QuadrantType) = when(type) {
+        SMALL_RADIUS -> topRoundSmall.model
+        LARGE_RADIUS -> topRoundLarge.model
+        SQUARE -> topSquare.model
+        INVISIBLE -> topSquare.model
+        else -> null
+    }
+
+    val bottomSquare = model { columnLidSquare() { it.rotate(rot(EAST) * 2 + rot(UP)) } }
+    val bottomRoundSmall = model { columnLid(radiusSmall) { it.rotate(rot(EAST) * 2 + rot(UP)) } }
+    val bottomRoundLarge = model { columnLid(radiusLarge) { it.rotate(rot(EAST) * 2 + rot(UP)) } }
+    inline fun flatBottom(type: QuadrantType) = when(type) {
+        SMALL_RADIUS -> bottomRoundSmall.model
+        LARGE_RADIUS -> bottomRoundLarge.model
+        SQUARE -> bottomSquare.model
+        INVISIBLE -> bottomSquare.model
+        else -> null
+    }
+
+    val transitionTop = model { mix(sideRoundLarge.model, sideRoundSmall.model) { it > 1 } }
+    val transitionBottom = model { mix(sideRoundSmall.model, sideRoundLarge.model) { it > 1 } }
+
+    val sideTexture = { ctx: ShadingContext, qi: Int, q: Quad -> if ((qi and 1) == 0) ctx.icon(SOUTH) else ctx.icon(EAST) }
+    val upTexture = { ctx: ShadingContext, qi: Int, q: Quad -> ctx.icon(UP) }
+    val downTexture = { ctx: ShadingContext, qi: Int, q: Quad -> ctx.icon(DOWN) }
+
+    inline fun continous(q1: QuadrantType, q2: QuadrantType) =
+        q1 == q2 || ((q1 == SQUARE || q1 == INVISIBLE) && (q2 == SQUARE || q2 == INVISIBLE))
+
+    abstract val axisFunc: (Block, Int)->Axis
+    abstract val blockPredicate: (Block, Int)->Boolean
+
+    @Suppress("NON_EXHAUSTIVE_WHEN")
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        if (ctx.isSurroundedBy(surroundPredicate) ) return false
+
+        // get AO data
+        if (renderWorldBlockBase(parent, face = neverRender)) return true
+
+        // check log neighborhood
+        val logAxis = ctx.blockAxis
+        val baseRotation = rotationFromUp[(logAxis to Dir.P).face.ordinal]
+
+        val upType = ctx.blockType(baseRotation, logAxis, Int3(0, 1, 0))
+        val downType = ctx.blockType(baseRotation, logAxis, Int3(0, -1, 0))
+
+        val quadrants = Array(4) { SMALL_RADIUS }.checkNeighbors(ctx, baseRotation, logAxis, 0)
+        val quadrantsTop = Array(4) { SMALL_RADIUS }
+        if (upType == PARALLEL) quadrantsTop.checkNeighbors(ctx, baseRotation, logAxis, 1)
+        val quadrantsBottom = Array(4) { SMALL_RADIUS }
+        if (downType == PARALLEL) quadrantsBottom.checkNeighbors(ctx, baseRotation, logAxis, -1)
+
+        quadrantRotations.forEachIndexed { idx, quadrantRotation ->
+            // set rotation for the current quadrant
+            val rotation = baseRotation + quadrantRotation
+
+            // disallow sharp discontinuities in the chamfer radius
+            if (quadrants[idx] == LARGE_RADIUS &&
+                upType == PARALLEL && quadrantsTop[idx] == SMALL_RADIUS &&
+                downType == PARALLEL && quadrantsBottom[idx] == SMALL_RADIUS) {
+                quadrants[idx] = SMALL_RADIUS
+            }
+
+            // render side of current quadrant
+            val sideModel = when (quadrants[idx]) {
+                SMALL_RADIUS -> sideRoundSmall.model
+                LARGE_RADIUS -> if (upType == PARALLEL && quadrantsTop[idx] == SMALL_RADIUS) transitionTop.model
+                else if (downType == PARALLEL && quadrantsBottom[idx] == SMALL_RADIUS) transitionBottom.model
+                else sideRoundLarge.model
+                SQUARE -> sideSquare.model
+                else -> null
+            }
+
+            if (sideModel != null) modelRenderer.render(
+                sideModel,
+                rotation,
+                blockContext.blockCenter,
+                icon = sideTexture,
+                rotateUV = { 0 },
+                postProcess = noPost
+            )
+
+            // render top and bottom end of current quadrant
+            var upModel: Model? = null
+            var downModel: Model? = null
+            var upIcon = upTexture
+            var downIcon = downTexture
+
+            when (upType) {
+                NONSOLID -> upModel = flatTop(quadrants[idx])
+                PERPENDICULAR -> {
+                    if (!connectPerpendicular) {
+                        upModel = flatTop(quadrants[idx])
+                    } else {
+                        upIcon = sideTexture
+                        upModel = extendTop(quadrants[idx])
+                    }
+                }
+                PARALLEL -> {
+                    if (!continous(quadrants[idx], quadrantsTop[idx])) {
+                        if (quadrants[idx] == SQUARE || quadrants[idx] == INVISIBLE) {
+                            upModel = topSquare.model
+                        }
+                    }
+                }
+            }
+            when (downType) {
+                NONSOLID -> downModel = flatBottom(quadrants[idx])
+                PERPENDICULAR -> {
+                    if (!connectPerpendicular) {
+                        downModel = flatBottom(quadrants[idx])
+                    } else {
+                        downIcon = sideTexture
+                        downModel = extendBottom(quadrants[idx])
+                    }
+                }
+                PARALLEL -> {
+                    if (!continous(quadrants[idx], quadrantsBottom[idx]) &&
+                        (quadrants[idx] == SQUARE || quadrants[idx] == INVISIBLE)) {
+                        downModel = bottomSquare.model
+                    }
+                }
+            }
+
+            if (upModel != null) modelRenderer.render(
+                upModel,
+                rotation,
+                blockContext.blockCenter,
+                icon = upIcon,
+                rotateUV = { 0 },
+                postProcess = noPost
+            )
+            if (downModel != null) modelRenderer.render(
+                downModel,
+                rotation,
+                blockContext.blockCenter,
+                icon = downIcon,
+                rotateUV = { 0 },
+                postProcess = noPost
+            )
+        }
+
+        return true
+    }
+
+    /** Sets the type of the given quadrant only if the new value is "stronger" (larger ordinal). */
+    inline fun Array<QuadrantType>.upgrade(idx: Int, value: QuadrantType) {
+        if (this[idx].ordinal < value.ordinal) this[idx] = value
+    }
+
+    /** 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: 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))
+        val blkW = ctx.blockType(rotation, logAxis, Int3(-1, yOff, 0))
+
+        // a solid block on one side will make the 2 neighboring quadrants SQUARE
+        // if there are solid blocks to both sides of a quadrant, it is INVISIBLE
+        if (connectSolids) {
+            if (blkS == SOLID) {
+                upgrade(SW, SQUARE); upgrade(SE, SQUARE)
+            }
+            if (blkE == SOLID) {
+                upgrade(SE, SQUARE); upgrade(NE, SQUARE)
+            }
+            if (blkN == SOLID) {
+                upgrade(NE, SQUARE); upgrade(NW, SQUARE)
+            }
+            if (blkW == SOLID) {
+                upgrade(NW, SQUARE); upgrade(SW, SQUARE)
+            }
+            if (blkS == SOLID && blkE == SOLID) upgrade(SE, INVISIBLE)
+            if (blkN == SOLID && blkE == SOLID) upgrade(NE, INVISIBLE)
+            if (blkN == SOLID && blkW == SOLID) upgrade(NW, INVISIBLE)
+            if (blkS == SOLID && blkW == SOLID) upgrade(SW, INVISIBLE)
+        }
+        val blkSE = ctx.blockType(rotation, logAxis, Int3(1, yOff, 1))
+        val blkNE = ctx.blockType(rotation, logAxis, Int3(1, yOff, -1))
+        val blkNW = ctx.blockType(rotation, logAxis, Int3(-1, yOff, -1))
+        val blkSW = ctx.blockType(rotation, logAxis, Int3(-1, yOff, 1))
+
+        if (lenientConnect) {
+            // if the block forms the tip of an L-shape, connect to its neighbor with SQUARE quadrants
+            if (blkE == PARALLEL && (blkSE == PARALLEL || blkNE == PARALLEL)) {
+                upgrade(SE, SQUARE); upgrade(NE, SQUARE)
+            }
+            if (blkN == PARALLEL && (blkNE == PARALLEL || blkNW == PARALLEL)) {
+                upgrade(NE, SQUARE); upgrade(NW, SQUARE)
+            }
+            if (blkW == PARALLEL && (blkNW == PARALLEL || blkSW == PARALLEL)) {
+                upgrade(NW, SQUARE); upgrade(SW, SQUARE)
+            }
+            if (blkS == PARALLEL && (blkSE == PARALLEL || blkSW == PARALLEL)) {
+                upgrade(SW, SQUARE); upgrade(SE, SQUARE)
+            }
+        }
+
+        // if the block forms the middle of an L-shape, or is part of a 2x2 configuration,
+        // connect to its neighbors with SQUARE quadrants, INVISIBLE on the inner corner, and LARGE_RADIUS on the outer corner
+        if (blkN == PARALLEL && blkW == PARALLEL && (lenientConnect || blkNW == PARALLEL)) {
+            upgrade(SE, LARGE_RADIUS); upgrade(NE, SQUARE); upgrade(SW, SQUARE); upgrade(NW, INVISIBLE)
+        }
+        if (blkS == PARALLEL && blkW == PARALLEL && (lenientConnect || blkSW == PARALLEL)) {
+            upgrade(NE, LARGE_RADIUS); upgrade(SE, SQUARE); upgrade(NW, SQUARE); upgrade(SW, INVISIBLE)
+        }
+        if (blkS == PARALLEL && blkE == PARALLEL && (lenientConnect || blkSE == PARALLEL)) {
+            upgrade(NW, LARGE_RADIUS); upgrade(NE, SQUARE); upgrade(SW, SQUARE); upgrade(SE, INVISIBLE)
+        }
+        if (blkN == PARALLEL && blkE == PARALLEL && (lenientConnect || blkNE == PARALLEL)) {
+            upgrade(SW, LARGE_RADIUS); upgrade(SE, SQUARE); upgrade(NW, SQUARE); upgrade(NE, INVISIBLE)
+        }
+        return this
+    }
+
+    /** Get the axis of the block */
+    val BlockContext.blockAxis: Axis get() = axisFunc(block(Int3.zero), meta(Int3.zero))
+
+    /**
+     * Get the type of the block at the given offset in a rotated reference frame.
+     */
+    fun BlockContext.blockType(rotation: Rotation, axis: Axis, offset: Int3): BlockType {
+        val offsetRot = offset.rotate(rotation)
+        val logBlock = block(offsetRot)
+        val logMeta = meta(offsetRot)
+        return if (!blockPredicate(logBlock, logMeta)) {
+            if (logBlock.isOpaqueCube) SOLID else NONSOLID
+        } else {
+            if (axisFunc(logBlock, logMeta) == axis) PARALLEL else PERPENDICULAR
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/EntityFallingLeavesFX.kt b/src/main/kotlin/mods/betterfoliage/client/render/EntityFallingLeavesFX.kt
new file mode 100644
index 0000000..da37ac3
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/EntityFallingLeavesFX.kt
@@ -0,0 +1,131 @@
+package mods.betterfoliage.client.render
+
+import cpw.mods.fml.common.FMLCommonHandler
+import cpw.mods.fml.common.eventhandler.SubscribeEvent
+import cpw.mods.fml.common.gameevent.TickEvent
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.client.texture.LeafRegistry
+import mods.octarinecore.PI2
+import mods.octarinecore.client.render.AbstractEntityFX
+import mods.octarinecore.client.render.Double3
+import mods.octarinecore.client.render.HSB
+import mods.octarinecore.minmax
+import mods.octarinecore.random
+import net.minecraft.client.Minecraft
+import net.minecraft.client.renderer.Tessellator
+import net.minecraft.util.MathHelper
+import net.minecraft.world.World
+import net.minecraftforge.common.MinecraftForge
+import net.minecraftforge.common.util.ForgeDirection.DOWN
+import net.minecraftforge.event.world.WorldEvent
+import org.lwjgl.opengl.GL11
+import java.lang.Math.*
+import java.util.*
+
+class EntityFallingLeavesFX(world: World, x: Int, y: Int, z: Int) :
+AbstractEntityFX(world, x.toDouble() + 0.5, y.toDouble(), z.toDouble() + 0.5) {
+
+    companion object {
+        @JvmStatic val biomeBrightnessMultiplier = 0.5f
+    }
+
+    var particleRot = rand.nextInt(64)
+    var rotPositive = true
+    val isMirrored = (rand.nextInt() and 1) == 1
+    var wasOnGround = false
+
+    init {
+        particleMaxAge = MathHelper.floor_double(random(0.6, 1.0) * Config.fallingLeaves.lifetime * 20.0)
+        motionY = -Config.fallingLeaves.speed
+        particleScale = Config.fallingLeaves.size.toFloat() * 0.1f
+
+        val block = world.getBlock(x, y, z)
+        LeafRegistry.leaves[block.getIcon(world, x, y, z, DOWN.ordinal)]?.let {
+            particleIcon = it.particleTextures[rand.nextInt(1024)]
+            calculateParticleColor(it.averageColor, block.colorMultiplier(world, x, y, z))
+        }
+    }
+
+    override val isValid: Boolean get() = (particleIcon != null)
+
+    override fun update() {
+        if (rand.nextFloat() > 0.95f) rotPositive = !rotPositive
+        if (particleAge > particleMaxAge - 20) particleAlpha = 0.05f * (particleMaxAge - particleAge)
+
+        if (onGround || wasOnGround) {
+            velocity.setTo(0.0, 0.0, 0.0)
+            if (!wasOnGround) {
+                particleAge = Math.max(particleAge, particleMaxAge - 20)
+                wasOnGround = 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
+        }
+    }
+
+    override fun render(tessellator: Tessellator, partialTickTime: Float) {
+        if (Config.fallingLeaves.opacityHack) GL11.glDepthMask(true)
+        renderParticleQuad(tessellator, partialTickTime, rotation = particleRot, isMirrored = isMirrored)
+    }
+
+    fun calculateParticleColor(textureAvgColor: Int, blockColor: Int) {
+        val texture = HSB.fromColor(textureAvgColor)
+        val block = HSB.fromColor(blockColor)
+
+        val weightTex = texture.saturation / (texture.saturation + block.saturation)
+        val weightBlock = 1.0f - weightTex
+
+        // avoid circular average for hue for performance reasons
+        // one of the color components should dominate anyway
+        val particle = HSB(
+            weightTex * texture.hue + weightBlock * block.hue,
+            weightTex * texture.saturation + weightBlock * block.saturation,
+            weightTex * texture.brightness + weightBlock * block.brightness * biomeBrightnessMultiplier
+        )
+        setColor(particle.asColor)
+    }
+}
+
+@SideOnly(Side.CLIENT)
+object LeafWindTracker {
+    var random = Random()
+    val target = Double3.zero
+    val current = Double3.zero
+    var nextChange: Long = 0
+
+    init {
+        MinecraftForge.EVENT_BUS.register(this)
+        FMLCommonHandler.instance().bus().register(this)
+    }
+
+    fun changeWind(world: World) {
+        nextChange = world.worldInfo.worldTime + 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)
+        target.setTo(cos(direction) * speed, 0.0, sin(direction) * speed)
+    }
+
+    @SubscribeEvent
+    fun handleWorldTick(event: TickEvent.ClientTickEvent) {
+        if (event.phase == TickEvent.Phase.START) Minecraft.getMinecraft().theWorld?.let { world ->
+            // change target wind speed
+            if (world.worldInfo.worldTime >= nextChange) changeWind(world)
+
+            // change current wind speed
+            val changeRate = if (world.isRaining) 0.015 else 0.005
+            current.add(
+                (target.x - current.x).minmax(-changeRate, changeRate),
+                0.0,
+                (target.z - current.z).minmax(-changeRate, changeRate)
+            )
+        }
+    }
+
+    @SubscribeEvent
+    fun handleWorldLoad(event: WorldEvent.Load) { if (event.world.isRemote) changeWind(event.world) }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/EntityRisingSoulFX.kt b/src/main/kotlin/mods/betterfoliage/client/render/EntityRisingSoulFX.kt
new file mode 100644
index 0000000..624c924
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/EntityRisingSoulFX.kt
@@ -0,0 +1,75 @@
+package mods.betterfoliage.client.render
+
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.AbstractEntityFX
+import mods.octarinecore.client.render.Double3
+import mods.octarinecore.client.resource.ResourceHandler
+import mods.octarinecore.forEachPairIndexed
+import net.minecraft.client.renderer.Tessellator
+import net.minecraft.util.MathHelper
+import net.minecraft.world.World
+import org.apache.logging.log4j.Level.*
+import java.util.*
+
+class EntityRisingSoulFX(world: World, x: Int, y: Int, z: Int) :
+AbstractEntityFX(world, x.toDouble() + 0.5, y.toDouble() + 1.0, z.toDouble() + 0.5) {
+
+    val particleTrail: Deque<Double3> = linkedListOf()
+    val initialPhase = rand.nextInt(64)
+
+    init {
+        motionY = 0.1
+        particleGravity = 0.0f
+        particleIcon = RisingSoulTextures.headIcons[rand.nextInt(256)]
+        particleMaxAge = MathHelper.floor_double((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
+        velocity.setTo(cos[phase] * Config.risingSoul.perturb, 0.1, sin[phase] * Config.risingSoul.perturb)
+
+        particleTrail.addFirst(currentPos.copy())
+        while (particleTrail.size > Config.risingSoul.trailLength) particleTrail.removeLast()
+
+        if (!Config.enabled) setDead()
+    }
+
+    override fun render(tessellator: Tessellator, partialTickTime: Float) {
+        var alpha = Config.risingSoul.opacity
+        if (particleAge > particleMaxAge - 40) alpha *= (particleMaxAge - particleAge) / 40.0f
+
+        renderParticleQuad(tessellator, partialTickTime,
+            size = Config.risingSoul.headSize * 0.25,
+            alpha = alpha
+        )
+
+        var scale = Config.risingSoul.trailSize * 0.25
+        particleTrail.forEachPairIndexed { idx, current, previous ->
+            scale *= Config.risingSoul.sizeDecay
+            alpha *= Config.risingSoul.opacityDecay
+            if (idx % Config.risingSoul.trailDensity == 0) renderParticleQuad(tessellator, partialTickTime,
+                currentPos = current,
+                prevPos = previous,
+                size = scale,
+                alpha = alpha,
+                icon = RisingSoulTextures.trackIcon.icon!!
+            )
+        }
+    }
+}
+
+@SideOnly(Side.CLIENT)
+object RisingSoulTextures : ResourceHandler(BetterFoliageMod.MOD_ID) {
+    val headIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "rising_soul_%d")
+    val trackIcon = iconStatic(BetterFoliageMod.LEGACY_DOMAIN, "soul_track")
+
+    override fun afterStitch() {
+        Client.log(INFO, "Registered ${headIcons.num} soul particle textures")
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/ModelColumn.kt b/src/main/kotlin/mods/betterfoliage/client/render/ModelColumn.kt
new file mode 100644
index 0000000..3a32d0f
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/ModelColumn.kt
@@ -0,0 +1,140 @@
+@file:JvmName("ModelColumn")
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import mods.octarinecore.exchange
+import net.minecraftforge.common.util.ForgeDirection.*
+
+/** Weight of the same-side AO values on the outer edges of the 45deg chamfered column faces. */
+const val chamferAffinity = 0.9f
+
+/** Amount to shrink column extension bits to stop Z-fighting. */
+val zProtectionScale: Double3 get() = Double3(Config.roundLogs.zProtection, 1.0, Config.roundLogs.zProtection)
+
+fun Model.columnSide(radius: Double, yBottom: Double, yTop: Double, transform: (Quad) -> Quad = { it }) {
+    val halfRadius = radius * 0.5
+    listOf(
+        verticalRectangle(x1 = 0.0, z1 = 0.5, x2 = 0.5 - radius, z2 = 0.5, yBottom = yBottom, yTop = yTop)
+        .clampUV(minU = 0.0, maxU = 0.5 - radius)
+        .setAoShader(faceOrientedInterpolate(overrideFace = SOUTH)),
+
+        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))
+        )
+        .setAoShader(
+            faceOrientedAuto(overrideFace = SOUTH, corner = cornerInterpolate(Axis.Y, 0.5f, Config.roundLogs.dimming)),
+            predicate = { v, vi -> vi == 1 || vi == 2}
+        )
+    ).forEach { transform(it.setFlatShader(FaceFlat(SOUTH))).add() }
+
+    listOf(
+        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)))
+        .setAoShader(
+            faceOrientedAuto(overrideFace = EAST, corner = cornerInterpolate(Axis.Y, 0.5f, Config.roundLogs.dimming)),
+            predicate = { v, vi -> vi == 0 || vi == 3}
+        ),
+
+        verticalRectangle(x1 = 0.5, z1 = 0.5 - radius, x2 = 0.5, z2 = 0.0, yBottom = yBottom, yTop = yTop)
+        .clampUV(minU = radius - 0.5, maxU = 0.0)
+        .setAoShader(faceOrientedInterpolate(overrideFace = EAST))
+    ).forEach { transform(it.setFlatShader(FaceFlat(EAST))).add() }
+
+    quads.exchange(1, 2)
+}
+
+/**
+ * Create a model of the side of a square column quadrant.
+ *
+ * @param[transform] transformation to apply to the model
+ */
+fun Model.columnSideSquare(yBottom: Double, yTop: Double, transform: (Quad) -> Quad = { it }) {
+    listOf(
+        verticalRectangle(x1 = 0.0, z1 = 0.5, x2 = 0.5, z2 = 0.5, yBottom = yBottom, yTop = yTop)
+        .clampUV(minU = 0.0)
+        .setAoShader(faceOrientedInterpolate(overrideFace = SOUTH))
+        .setAoShader(faceOrientedAuto(corner = cornerAo(Axis.Y)), predicate = { v, vi -> vi == 1 || vi == 2}),
+
+        verticalRectangle(x1 = 0.5, z1 = 0.5, x2 = 0.5, z2 = 0.0, yBottom = yBottom, yTop = yTop)
+        .clampUV(maxU = 0.0)
+        .setAoShader(faceOrientedInterpolate(overrideFace = EAST))
+        .setAoShader(faceOrientedAuto(corner = cornerAo(Axis.Y)), predicate = { v, vi -> vi == 1 || vi == 2})
+    ).forEach {
+        transform(it.setFlatShader(faceOrientedAuto(corner = cornerFlat))).add()
+    }
+}
+
+/**
+ * Create a model of the top lid of a chamfered column quadrant.
+ *
+ * @param[radius] the chamfer radius
+ * @param[transform] transformation to apply to the model
+ */
+fun Model.columnLid(radius: Double, transform: (Quad)->Quad = { it }) {
+    val v1 = Vertex(Double3(0.0, 0.5, 0.0), UV(0.0, 0.0))
+    val v2 = Vertex(Double3(0.0, 0.5, 0.5), UV(0.0, 0.5))
+    val v3 = Vertex(Double3(0.5 - radius, 0.5, 0.5), UV(0.5 - radius, 0.5))
+    val v4 = Vertex(Double3(0.5 - radius * 0.5, 0.5, 0.5 - radius * 0.5), UV(0.5, 0.5))
+    val v5 = Vertex(Double3(0.5, 0.5, 0.5 - radius), UV(0.5, 0.5 - radius))
+    val v6 = Vertex(Double3(0.5, 0.5, 0.0), UV(0.5, 0.0))
+
+    val q1 = Quad(v1, v2, v3, v4).setAoShader(faceOrientedAuto(overrideFace = UP, corner = cornerAo(Axis.Y)))
+             .transformVI { vertex, idx -> vertex.copy(aoShader = when(idx) {
+                 0 -> FaceCenter(UP)
+                 1 -> EdgeInterpolateFallback(UP, SOUTH, 0.0)
+                 else -> vertex.aoShader
+             })}
+    val q2 = Quad(v1, v4, v5, v6).setAoShader(faceOrientedAuto(overrideFace = UP, corner = cornerAo(Axis.Y)))
+             .transformVI { vertex, idx -> vertex.copy(aoShader = when(idx) {
+                 0 -> FaceCenter(UP)
+                 3 -> EdgeInterpolateFallback(UP, EAST, 0.0)
+                 else -> vertex.aoShader
+             })}
+    listOf(q1, q2).forEach { transform(it.setFlatShader(FaceFlat(UP))).add() }
+}
+
+/**
+ * Create a model of the top lid of a square column quadrant.
+ *
+ * @param[transform] transformation to apply to the model
+ */
+fun Model.columnLidSquare(transform: (Quad)-> Quad = { it }) {
+    transform(
+        horizontalRectangle(x1 = 0.0, x2 = 0.5, z1 = 0.0, z2 = 0.5, y = 0.5)
+        .transformVI { vertex, idx -> vertex.copy(uv = UV(vertex.xyz.x, vertex.xyz.z), aoShader = when(idx) {
+            0 -> FaceCenter(UP)
+            1 -> EdgeInterpolateFallback(UP, SOUTH, 0.0)
+            2 -> CornerSingleFallback(UP, SOUTH, EAST, UP)
+            else -> EdgeInterpolateFallback(UP, EAST, 0.0)
+        }) }
+        .setFlatShader(FaceFlat(UP))
+    ).add()
+}
+
+/**
+ * Transform a chamfered side quadrant model of a column that extends from the top of the block.
+ * (clamp UV coordinates, apply some scaling to avoid Z-fighting).
+ *
+ * @param[size] amount that the model extends from the top
+ */
+fun topExtension(size: Double) = { q: Quad ->
+    q.clampUV(minV = 0.5 - size).transformVI { vertex, idx ->
+        if (idx < 2) vertex else vertex.copy(xyz = vertex.xyz * zProtectionScale)
+    }
+}
+/**
+ * Transform a chamfered side quadrant model of a column that extends from the bottom of the block.
+ * (clamp UV coordinates, apply some scaling to avoid Z-fighting).
+ *
+ * @param[size] amount that the model extends from the bottom
+ */
+fun bottomExtension(size: Double) = { q: Quad ->
+    q.clampUV(maxV = -0.5 + size).transformVI { vertex, idx ->
+        if (idx > 1) vertex else vertex.copy(xyz = vertex.xyz * zProtectionScale)
+    }
+}
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderAlgae.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderAlgae.kt
new file mode 100644
index 0000000..03f3392
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderAlgae.kt
@@ -0,0 +1,49 @@
+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.ShadersModIntegration
+import mods.octarinecore.client.render.*
+import net.minecraft.block.material.Material
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraft.init.Blocks
+import org.apache.logging.log4j.Level.INFO
+
+class RenderAlgae : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    val noise = simplexNoise()
+
+    val algaeIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_algae_%d")
+    val algaeModels = modelSet(64, RenderGrass.grassTopQuads)
+
+    override fun afterStitch() {
+        Client.log(INFO, "Registered ${algaeIcons.num} algae textures")
+    }
+
+    override fun isEligible(ctx: BlockContext) =
+        Config.enabled && Config.algae.enabled &&
+        ctx.cameraDistance < Config.algae.distance &&
+        ctx.block(up2).material == Material.water &&
+        ctx.block(up1).material == Material.water &&
+        Config.blocks.dirt.matchesID(ctx.block) &&
+        ctx.biomeId in Config.algae.biomes &&
+        noise[ctx.x, ctx.z] < Config.algae.population
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+
+        val rand = ctx.semiRandomArray(3)
+
+        ShadersModIntegration.grass(Config.algae.shaderWind) {
+            modelRenderer.render(
+                algaeModels[rand[2]],
+                Rotation.identity,
+                icon = { ctx, qi, q -> algaeIcons[rand[qi and 1]]!! },
+                rotateUV = { 0 },
+                postProcess = noPost
+            )
+        }
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderCactus.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderCactus.kt
new file mode 100644
index 0000000..9fbddeb
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderCactus.kt
@@ -0,0 +1,83 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.*
+import org.apache.logging.log4j.Level
+
+class RenderCactus : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    val cactusStemRadius = 0.4375
+    val cactusArmRotation = listOf(NORTH, SOUTH, EAST, WEST).map { Rotation.rot90[it.ordinal] }
+
+    val iconCross = iconStatic(BetterFoliageMod.LEGACY_DOMAIN, "better_cactus")
+    val iconArm = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_cactus_arm_%d")
+
+    val modelStem = model {
+        horizontalRectangle(x1 = -cactusStemRadius, x2 = cactusStemRadius, z1 = -cactusStemRadius, z2 = cactusStemRadius, y = 0.5)
+        .scaleUV(cactusStemRadius * 2.0)
+        .let { listOf(it.flipped.move(1.0 to DOWN), it) }
+        .forEach { it.setAoShader(faceOrientedAuto(corner = cornerAo(Axis.Y), edge = null)).add() }
+
+        verticalRectangle(x1 = -0.5, z1 = cactusStemRadius, x2 = 0.5, z2 = cactusStemRadius, yBottom = -0.5, yTop = 0.5)
+        .setAoShader(faceOrientedAuto(corner = cornerAo(Axis.Y), edge = null))
+        .toCross(UP).addAll()
+    }
+    val modelCross = modelSet(64) { modelIdx ->
+        verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = -0.5 * 1.41, yTop = 0.5 * 1.41)
+        .setAoShader(edgeOrientedAuto(corner = cornerAoMaxGreen))
+        .scale(1.4)
+        .transformV { v ->
+            val perturb = xzDisk(modelIdx) * Config.cactus.sizeVariation
+            Vertex(v.xyz + (if (v.uv.u < 0.0) perturb else -perturb), v.uv, v.aoShader)
+        }
+        .toCross(UP).addAll()
+    }
+    val modelArm = modelSet(64) { modelIdx ->
+        verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = 0.0, yTop = 1.0)
+        .scale(Config.cactus.size).move(0.5 to UP)
+
+        .setAoShader(faceOrientedAuto(overrideFace = UP, corner = cornerAo(Axis.Y), edge = null))
+        .toCross(UP) { it.move(xzDisk(modelIdx) * Config.cactus.hOffset) }.addAll()
+    }
+
+    override fun afterStitch() {
+        Client.log(Level.INFO, "Registered ${iconArm.num} cactus arm textures")
+    }
+
+    override fun isEligible(ctx: BlockContext): Boolean =
+        Config.enabled && Config.cactus.enabled &&
+        ctx.cameraDistance < Config.cactus.distance &&
+        Config.blocks.cactus.matchesID(ctx.block)
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        // get AO data
+        if (renderWorldBlockBase(parent, face = neverRender)) return true
+
+        modelRenderer.render(
+            modelStem.model,
+            Rotation.identity,
+            icon = { ctx, qi, q -> ctx.icon(forgeDirs[qi])},
+            rotateUV = { 0 },
+            postProcess = noPost
+        )
+        modelRenderer.render(
+            modelCross[ctx.random(0)],
+            Rotation.identity,
+            icon = { ctx, qi, q -> iconCross.icon!!},
+            rotateUV = { 0 },
+            postProcess = noPost
+        )
+        modelRenderer.render(
+            modelArm[ctx.random(1)],
+            cactusArmRotation[ctx.random(2) % 4],
+            icon = { ctx2, qi, q -> iconArm[ctx.random(3)]!!},
+            rotateUV = { 0 },
+            postProcess = noPost
+        )
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrass.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrass.kt
new file mode 100644
index 0000000..f80eed6
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrass.kt
@@ -0,0 +1,23 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import net.minecraft.block.material.Material
+import net.minecraft.client.renderer.RenderBlocks
+
+class RenderConnectedGrass : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+    override fun isEligible(ctx: BlockContext) =
+        Config.enabled && Config.connectedGrass.enabled &&
+        Config.blocks.dirt.matchesID(ctx.block) &&
+        Config.blocks.grass.matchesID(ctx.block(up1)) &&
+        (Config.connectedGrass.snowEnabled || !ctx.block(up2).isSnow)
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        return ctx.withOffset(Int3.zero, up1) {
+            ctx.withOffset(up1, up2) {
+                renderWorldBlockBase(parent, face = alwaysRender)
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrassLog.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrassLog.kt
new file mode 100644
index 0000000..208ae65
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderConnectedGrassLog.kt
@@ -0,0 +1,31 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.*
+
+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.matchesID(ctx.block) &&
+        Config.blocks.logs.matchesID(ctx.block(up1))
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        val grassDir = grassCheckDirs.find {
+            Config.blocks.grass.matchesID(ctx.block(it.offset))
+        }
+
+        return if (grassDir != null) {
+            ctx.withOffset(Int3.zero, grassDir.offset) {
+                renderWorldBlockBase(parent, face = alwaysRender)
+            }
+        } else {
+            renderWorldBlockBase(parent, face = alwaysRender)
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderCoral.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderCoral.kt
new file mode 100644
index 0000000..68383b1
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderCoral.kt
@@ -0,0 +1,65 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import mods.octarinecore.random
+import net.minecraft.block.material.Material
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.UP
+import org.apache.logging.log4j.Level.INFO
+
+class RenderCoral : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    val noise = simplexNoise()
+
+    val coralIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_coral_%d")
+    val crustIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_crust_%d")
+    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)
+        .toCross(UP) { it.move(xzDisk(modelIdx) * Config.coral.hOffset) }.addAll()
+
+        val separation = random(0.01, Config.coral.vOffset)
+        horizontalRectangle(x1 = -0.5, x2 = 0.5, z1 = -0.5, z2 = 0.5, y = 0.0)
+        .scale(Config.coral.crustSize).move(0.5 + separation to UP).add()
+
+        transformQ {
+            it.setAoShader(faceOrientedAuto(overrideFace = UP, corner = cornerAo(Axis.Y)))
+            .setFlatShader(faceOrientedAuto(overrideFace = UP, corner = cornerFlat))
+        }
+    }
+
+    override fun afterStitch() {
+        Client.log(INFO, "Registered ${coralIcons.num} algae textures")
+    }
+
+    override fun isEligible(ctx: BlockContext) =
+        Config.enabled && Config.coral.enabled &&
+        ctx.cameraDistance < Config.coral.distance &&
+        ctx.block(up2).material == Material.water &&
+        ctx.block(up1).material == Material.water &&
+        Config.blocks.sand.matchesID(ctx.block) &&
+        ctx.biomeId in Config.coral.biomes &&
+        noise[ctx.x, ctx.z] < Config.coral.population
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+
+        forgeDirs.forEachIndexed { idx, face ->
+            if (!ctx.block(forgeDirOffsets[idx]).isOpaqueCube && blockContext.random(idx) < Config.coral.chance) {
+                var variation = blockContext.random(6)
+                modelRenderer.render(
+                    coralModels[variation++],
+                    rotationFromUp[idx],
+                    icon = { ctx, qi, q -> if (qi == 4) crustIcons[variation]!! else coralIcons[variation + (qi and 1)]!!},
+                    rotateUV = { 0 },
+                    postProcess = noPost
+                )
+            }
+        }
+
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderGrass.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderGrass.kt
new file mode 100644
index 0000000..f4282c0
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderGrass.kt
@@ -0,0 +1,106 @@
+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.ShadersModIntegration
+import mods.betterfoliage.client.texture.GrassRegistry
+import mods.octarinecore.client.render.*
+import mods.octarinecore.random
+import net.minecraft.block.material.Material
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.UP
+import org.apache.logging.log4j.Level.INFO
+
+class RenderGrass : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    companion object {
+        @JvmStatic val grassTopQuads: Model.(Int)->Unit = { modelIdx ->
+            verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = 0.5,
+                    yTop = 0.5 + random(Config.shortGrass.heightMin, Config.shortGrass.heightMax)
+            )
+            .setAoShader(faceOrientedAuto(overrideFace = UP, corner = cornerAo(Axis.Y)))
+            .setFlatShader(faceOrientedAuto(overrideFace = UP, corner = cornerFlat))
+            .toCross(UP) { it.move(xzDisk(modelIdx) * Config.shortGrass.hOffset) }.addAll()
+        }
+    }
+
+    val normalIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_grass_long_%d")
+    val snowedIcons = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_grass_snowed_%d")
+    val normalGenIcon = iconStatic(Client.genGrass.generatedResource("minecraft:tallgrass", "snowed" to false))
+    val snowedGenIcon = iconStatic(Client.genGrass.generatedResource("minecraft:tallgrass", "snowed" to true))
+
+    val grassModels = modelSet(64, grassTopQuads)
+
+    override fun afterStitch() {
+        Client.log(INFO, "Registered ${normalIcons.num} grass textures")
+        Client.log(INFO, "Registered ${snowedIcons.num} snowed grass textures")
+    }
+
+    override fun isEligible(ctx: BlockContext) =
+        Config.enabled &&
+        ctx.cameraDistance < Config.shortGrass.distance &&
+        (Config.shortGrass.grassEnabled || Config.connectedGrass.enabled) &&
+        Config.blocks.grass.matchesID(ctx.block)
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        val isConnected = ctx.block(down1).let { Config.blocks.dirt.matchesID(it) || Config.blocks.grass.matchesID(it) }
+        val isSnowed = ctx.block(up1).isSnow
+        val connectedGrass = isConnected && Config.connectedGrass.enabled && (!isSnowed || Config.connectedGrass.snowEnabled)
+
+        val grassInfo = GrassRegistry.grass[ctx.icon(UP)]
+        if (grassInfo == null) {
+            renderWorldBlockBase(parent, face = alwaysRender)
+            return true
+        }
+        val cubeTexture = if (isSnowed) ctx.icon(up1, UP) else null ?: grassInfo.grassTopTexture
+        val blockColor = ctx.blockColor(Int3.zero)
+
+        if (connectedGrass) {
+            // get AO data
+            if (renderWorldBlockBase(parent, face = neverRender)) return true
+
+            // render full grass block
+            modelRenderer.render(
+                fullCube,
+                Rotation.identity,
+                ctx.blockCenter,
+                icon =  { ctx, qi, q -> cubeTexture },
+                rotateUV = { 2 },
+                postProcess = { ctx, qi, q, vi, v ->
+                    if (isSnowed) { if(!ctx.aoEnabled) setGrey(1.4f) }
+                    else if (qi != UP.ordinal && ctx.aoEnabled) multiplyColor(blockColor)
+                }
+            )
+        } else {
+            // render normally
+            if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+        }
+
+        if (!Config.shortGrass.grassEnabled) return true
+        if (isSnowed && !Config.shortGrass.snowEnabled) return true
+        if (ctx.block(up1).isOpaqueCube) return true
+
+        // render grass quads
+        val iconset = if (isSnowed) snowedIcons else normalIcons
+        val iconGen = if (isSnowed) snowedGenIcon else normalGenIcon
+        val rand = ctx.semiRandomArray(2)
+
+        ShadersModIntegration.grass(Config.shortGrass.shaderWind) {
+            modelRenderer.render(
+                grassModels[rand[0]],
+                Rotation.identity,
+                ctx.blockCenter + (if (isSnowed) snowOffset else Double3.zero),
+                icon = if (Config.shortGrass.useGenerated)
+                    { ctx: ShadingContext, qi: Int, q: Quad -> iconGen.icon!! }
+                else
+                    { ctx: ShadingContext, qi: Int, q: Quad -> iconset[rand[qi and 1]]!! },
+                rotateUV = { 0 },
+                postProcess = if (isSnowed) whitewash else if (grassInfo.overrideColor == null) noPost else
+                    { ctx, qi, q, vi, v -> multiplyColor(grassInfo.overrideColor) }
+            )
+        }
+
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderLeaves.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderLeaves.kt
new file mode 100644
index 0000000..9cfad37
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderLeaves.kt
@@ -0,0 +1,72 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.client.integration.ShadersModIntegration
+import mods.betterfoliage.client.texture.LeafRegistry
+import mods.octarinecore.PI2
+import mods.octarinecore.client.render.*
+import mods.octarinecore.random
+import net.minecraft.block.material.Material
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.DOWN
+import net.minecraftforge.common.util.ForgeDirection.UP
+import java.lang.Math.cos
+import java.lang.Math.sin
+
+class RenderLeaves : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    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)
+        .setAoShader(edgeOrientedAuto(corner = cornerAoMaxGreen))
+        .setFlatShader(FlatOffset(Int3.zero))
+        .scale(Config.leaves.size)
+        .toCross(UP).addAll()
+    }
+    val snowedIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_leaves_snowed_%d")
+
+    val perturbs = vectorSet(64) { idx ->
+        val angle = PI2 * idx / 64.0
+        Double3(cos(angle), 0.0, sin(angle)) * Config.leaves.hOffset +
+            UP.vec * random(-1.0, 1.0) * Config.leaves.vOffset
+    }
+
+    override fun isEligible(ctx: BlockContext) =
+        Config.enabled &&
+        Config.leaves.enabled &&
+        ctx.cameraDistance < Config.leaves.distance &&
+        Config.blocks.leaves.matchesID(ctx.block)
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        val isSnowed = ctx.block(up1).material.let {
+            it == Material.snow || it == Material.craftedSnow
+        }
+
+        if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+
+        val leafInfo = LeafRegistry.leaves[ctx.icon(DOWN)]
+        if (leafInfo != null) ShadersModIntegration.leaves {
+            val rand = ctx.semiRandomArray(2)
+            (if (Config.leaves.dense) denseLeavesRot else normalLeavesRot).forEach { rotation ->
+                modelRenderer.render(
+                    leavesModel.model,
+                    rotation,
+                    ctx.blockCenter + perturbs[rand[0]],
+                    icon = { ctx, qi, q -> leafInfo.roundLeafTexture },
+                    rotateUV = { q -> rand[1] },
+                    postProcess = noPost
+                )
+            }
+            if (isSnowed) modelRenderer.render(
+                leavesModel.model,
+                Rotation.identity,
+                ctx.blockCenter + perturbs[rand[0]],
+                icon = { ctx, qi, q -> snowedIcon[rand[1]]!! },
+                rotateUV = { 0 },
+                postProcess = whitewash
+            )
+        }
+
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderLilypad.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderLilypad.kt
new file mode 100644
index 0000000..19cc6ac
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderLilypad.kt
@@ -0,0 +1,64 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.*
+import org.apache.logging.log4j.Level
+
+class RenderLilypad : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    val rootModel = model {
+        verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = -1.5, yTop = -0.5)
+        .setFlatShader(FlatOffsetNoColor(Int3.zero))
+        .toCross(UP).addAll()
+    }
+    val flowerModel = model {
+        verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = 0.0, yTop = 1.0)
+        .scale(0.5).move(0.5 to DOWN)
+        .setFlatShader(FlatOffsetNoColor(Int3.zero))
+        .toCross(UP).addAll()
+    }
+    val rootIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_lilypad_roots_%d")
+    val flowerIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_lilypad_flower_%d")
+    val perturbs = vectorSet(64) { modelIdx -> xzDisk(modelIdx) * Config.lilypad.hOffset }
+
+    override fun afterStitch() {
+        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 =
+        Config.enabled && Config.lilypad.enabled &&
+        ctx.cameraDistance < Config.lilypad.distance &&
+        Config.blocks.lilypad.matchesID(ctx.block)
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+
+        val rand = ctx.semiRandomArray(5)
+        modelRenderer.render(
+            rootModel.model,
+            Rotation.identity,
+            ctx.blockCenter.add(perturbs[rand[2]]),
+            forceFlat = true,
+            icon = { ctx, qi, q -> rootIcon[rand[qi and 1]]!! },
+            rotateUV = { 0 },
+            postProcess = noPost
+        )
+
+        if (rand[3] < Config.lilypad.flowerChance) modelRenderer.render(
+            flowerModel.model,
+            Rotation.identity,
+            ctx.blockCenter.add(perturbs[rand[4]]),
+            forceFlat = true,
+            icon = { ctx, qi, q -> flowerIcon[rand[0]]!! },
+            rotateUV = { 0 },
+            postProcess = noPost
+        )
+
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderLog.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderLog.kt
new file mode 100644
index 0000000..0a74550
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderLog.kt
@@ -0,0 +1,30 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.Axis
+import mods.octarinecore.client.render.BlockContext
+import net.minecraft.block.Block
+
+class RenderLog : AbstractRenderColumn(BetterFoliageMod.MOD_ID) {
+
+    override fun isEligible(ctx: BlockContext) =
+        Config.enabled && Config.roundLogs.enabled &&
+        ctx.cameraDistance < Config.roundLogs.distance &&
+        Config.blocks.logs.matchesID(ctx.block)
+
+    override var axisFunc = { block: Block, meta: Int -> when ((meta shr 2) and 3) {
+        1 -> Axis.X
+        2 -> Axis.Z
+        else -> Axis.Y
+    } }
+
+    override val blockPredicate = { block: Block, meta: Int -> Config.blocks.logs.matchesID(block) }
+    override val surroundPredicate = { block: Block -> block.isOpaqueCube && !Config.blocks.logs.matchesID(block) }
+
+    override val connectPerpendicular: Boolean get() = Config.roundLogs.connectPerpendicular
+    override val connectSolids: Boolean get() = Config.roundLogs.connectSolids
+    override val lenientConnect: Boolean get() = Config.roundLogs.lenientConnect
+    override val radiusLarge: Double get() = Config.roundLogs.radiusLarge
+    override val radiusSmall: Double get() = Config.roundLogs.radiusSmall
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderMycelium.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderMycelium.kt
new file mode 100644
index 0000000..84cc053
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderMycelium.kt
@@ -0,0 +1,48 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import net.minecraft.block.material.Material
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraft.init.Blocks
+import org.apache.logging.log4j.Level.INFO
+
+class RenderMycelium : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    val myceliumIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_mycel_%d")
+    val myceliumModel = modelSet(64, RenderGrass.grassTopQuads)
+
+    override fun afterStitch() {
+        Client.log(INFO, "Registered ${myceliumIcon.num} mycelium textures")
+    }
+
+    override fun isEligible(ctx: BlockContext): Boolean {
+        if (!Config.enabled || !Config.shortGrass.myceliumEnabled) return false
+        return ctx.block == Blocks.mycelium &&
+        ctx.cameraDistance < Config.shortGrass.distance
+    }
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        val isSnowed = ctx.block(up1).material.let {
+            it == Material.snow || it == Material.craftedSnow
+        }
+
+        if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+        if (isSnowed && !Config.shortGrass.snowEnabled) return true
+        if (ctx.block(up1).isOpaqueCube) return true
+
+        val rand = ctx.semiRandomArray(2)
+        modelRenderer.render(
+            myceliumModel[rand[0]],
+            Rotation.identity,
+            ctx.blockCenter + (if (isSnowed) snowOffset else Double3.zero),
+            icon = { ctx, qi, q -> myceliumIcon[rand[qi and 1]]!! },
+            rotateUV = { 0 },
+            postProcess = if (isSnowed) whitewash else noPost
+        )
+
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderNetherrack.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderNetherrack.kt
new file mode 100644
index 0000000..67eaa68
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderNetherrack.kt
@@ -0,0 +1,51 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.*
+import mods.octarinecore.random
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraft.init.Blocks
+import net.minecraftforge.common.util.ForgeDirection.DOWN
+import net.minecraftforge.common.util.ForgeDirection.UP
+import org.apache.logging.log4j.Level.INFO
+
+class RenderNetherrack : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    val netherrackIcon = iconSet(BetterFoliageMod.LEGACY_DOMAIN, "better_netherrack_%d")
+    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))
+        .setAoShader(faceOrientedAuto(overrideFace = DOWN, corner = cornerAo(Axis.Y)))
+        .setFlatShader(faceOrientedAuto(overrideFace = DOWN, corner = cornerFlat))
+        .toCross(UP) { it.move(xzDisk(modelIdx) * Config.shortGrass.hOffset) }.addAll()
+
+    }
+
+    override fun afterStitch() {
+        Client.log(INFO, "Registered ${netherrackIcon.num} netherrack textures")
+    }
+
+    override fun isEligible(ctx: BlockContext): Boolean {
+        if (!Config.enabled || !Config.netherrack.enabled) return false
+        return ctx.block == Blocks.netherrack &&
+        ctx.cameraDistance < Config.netherrack.distance
+    }
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+        if (ctx.block(down1).isOpaqueCube) return true
+
+        val rand = ctx.semiRandomArray(2)
+        modelRenderer.render(
+            netherrackModel[rand[0]],
+            Rotation.identity,
+            icon = { ctx, qi, q -> netherrackIcon[rand[qi and 1]]!! },
+            rotateUV = { 0 },
+            postProcess = noPost
+        )
+
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/RenderReeds.kt b/src/main/kotlin/mods/betterfoliage/client/render/RenderReeds.kt
new file mode 100644
index 0000000..13cf9a8
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/RenderReeds.kt
@@ -0,0 +1,65 @@
+package mods.betterfoliage.client.render
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.betterfoliage.client.integration.ShadersModIntegration
+import mods.octarinecore.client.render.*
+import mods.octarinecore.random
+import net.minecraft.block.material.Material
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraftforge.common.util.ForgeDirection.UP
+import org.apache.logging.log4j.Level
+
+class RenderReeds : AbstractBlockRenderingHandler(BetterFoliageMod.MOD_ID) {
+
+    val noise = simplexNoise()
+    val reedIcons = iconSet(Client.genReeds.generatedResource("${BetterFoliageMod.LEGACY_DOMAIN}:better_reed_%d"))
+    val reedModels = modelSet(64) { modelIdx ->
+        val height = random(Config.reed.heightMin, Config.reed.heightMax)
+        val waterline = 0.875f
+        val vCutLine = 0.5 - waterline / height
+        listOf(
+            // below waterline
+            verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = 0.5, yTop = 0.5 + waterline)
+            .setFlatShader(FlatOffsetNoColor(up1)).clampUV(minV = vCutLine),
+
+            // above waterline
+            verticalRectangle(x1 = -0.5, z1 = 0.5, x2 = 0.5, z2 = -0.5, yBottom = 0.5 + waterline, yTop = 0.5 + height)
+            .setFlatShader(FlatOffsetNoColor(up2)).clampUV(maxV = vCutLine)
+        ).forEach {
+            it.clampUV(minU = -0.25, maxU = 0.25)
+            .toCross(UP) { it.move(xzDisk(modelIdx) * Config.reed.hOffset) }.addAll()
+        }
+    }
+
+    override fun afterStitch() {
+        Client.log(Level.INFO, "Registered ${reedIcons.num} reed textures")
+    }
+
+    override fun isEligible(ctx: BlockContext) =
+        Config.enabled && Config.reed.enabled &&
+        ctx.cameraDistance < Config.reed.distance &&
+        ctx.block(up2).material == Material.air &&
+        ctx.block(up1).material == Material.water &&
+        Config.blocks.dirt.matchesID(ctx.block) &&
+        ctx.biomeId in Config.reed.biomes &&
+        noise[ctx.x, ctx.z] < Config.reed.population
+
+    override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
+        if (renderWorldBlockBase(parent, face = alwaysRender)) return true
+
+        val iconVar = ctx.random(1)
+        ShadersModIntegration.grass(Config.reed.shaderWind) {
+            modelRenderer.render(
+                reedModels[ctx.random(0)],
+                Rotation.identity,
+                forceFlat = true,
+                icon = { ctx, qi, q -> reedIcons[iconVar]!! },
+                rotateUV = { 0 },
+                postProcess = noPost
+            )
+        }
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/render/Utils.kt b/src/main/kotlin/mods/betterfoliage/client/render/Utils.kt
new file mode 100644
index 0000000..0982195
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/render/Utils.kt
@@ -0,0 +1,54 @@
+@file:JvmName("Utils")
+package mods.betterfoliage.client.render
+
+import mods.octarinecore.PI2
+import mods.octarinecore.client.render.*
+import net.minecraft.block.Block
+import net.minecraft.block.material.Material
+import net.minecraft.tileentity.TileEntity
+import net.minecraft.world.IBlockAccess
+import net.minecraft.world.biome.BiomeGenBase
+import net.minecraftforge.common.util.ForgeDirection
+import net.minecraftforge.common.util.ForgeDirection.*
+
+val up1 = Int3(1 to UP)
+val up2 = Int3(2 to UP)
+val down1 = Int3(1 to DOWN)
+val snowOffset = UP * 0.0625
+
+val normalLeavesRot = arrayOf(Rotation.identity)
+val denseLeavesRot = arrayOf(Rotation.identity, Rotation.rot90[EAST.ordinal], Rotation.rot90[SOUTH.ordinal])
+
+val whitewash: RenderVertex.(ShadingContext, Int, Quad, Int, Vertex)->Unit = { ctx, qi, q, vi, v -> setGrey(1.4f) }
+val greywash: RenderVertex.(ShadingContext, Int, Quad, Int, Vertex)->Unit = { ctx, qi, q, vi, v -> setGrey(1.0f) }
+
+val Block.isSnow: Boolean get() = material.let { it == Material.snow || it == Material.craftedSnow }
+
+fun Quad.toCross(rotAxis: ForgeDirection, trans: (Quad)->Quad) =
+    (0..3).map { rotIdx ->
+        trans(rotate(Rotation.rot90[rotAxis.ordinal] * rotIdx).mirrorUV(rotIdx > 1, false))
+    }
+fun Quad.toCross(rotAxis: ForgeDirection) = toCross(rotAxis) { it }
+
+fun xzDisk(modelIdx: Int) = (PI2 * modelIdx / 64.0).let { Double3(Math.cos(it), 0.0, Math.sin(it)) }
+
+val rotationFromUp = arrayOf(
+    Rotation.rot90[EAST.ordinal] * 2,
+    Rotation.identity,
+    Rotation.rot90[WEST.ordinal],
+    Rotation.rot90[EAST.ordinal],
+    Rotation.rot90[SOUTH.ordinal],
+    Rotation.rot90[NORTH.ordinal]
+)
+
+fun Model.mix(first: Model, second: Model, predicate: (Int)->Boolean) {
+    first.quads.forEachIndexed { qi, quad ->
+        val otherQuad = second.quads[qi]
+        Quad(
+            if (predicate(0)) otherQuad.v1.copy() else quad.v1.copy(),
+            if (predicate(1)) otherQuad.v2.copy() else quad.v2.copy(),
+            if (predicate(2)) otherQuad.v3.copy() else quad.v3.copy(),
+            if (predicate(3)) otherQuad.v4.copy() else quad.v4.copy()
+        ).add()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/texture/GrassGenerator.kt b/src/main/kotlin/mods/betterfoliage/client/texture/GrassGenerator.kt
new file mode 100644
index 0000000..b0d6c6d
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/texture/GrassGenerator.kt
@@ -0,0 +1,35 @@
+package mods.betterfoliage.client.texture
+
+import mods.octarinecore.client.resource.*
+import net.minecraft.util.ResourceLocation
+import java.awt.image.BufferedImage
+
+/**
+ * Generate Short Grass textures from [Blocks.tallgrass] block textures.
+ * The bottom 3/8 of the base texture is chopped off.
+ *
+ * @param[domain] Resource domain of generator
+ */
+class GrassGenerator(domain: String) : TextureGenerator(domain) {
+
+    override fun generate(params: ParameterList): BufferedImage? {
+        val target = targetResource(params)!!
+        val isSnowed = params["snowed"]?.toBoolean() ?: false
+
+        val baseTexture = resourceManager[target.second]?.loadImage() ?: return null
+
+        // draw bottom half of texture
+        val result = BufferedImage(baseTexture.width, baseTexture.height, BufferedImage.TYPE_4BYTE_ABGR)
+        val graphics = result.createGraphics()
+        graphics.drawImage(baseTexture, 0, 3 * baseTexture.height / 8, null)
+
+        // blend with white if snowed
+        if (isSnowed && target.first == ResourceType.COLOR) {
+            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
+    }
+}
diff --git a/src/main/kotlin/mods/betterfoliage/client/texture/GrassRegistry.kt b/src/main/kotlin/mods/betterfoliage/client/texture/GrassRegistry.kt
new file mode 100644
index 0000000..3d72fc8
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/texture/GrassRegistry.kt
@@ -0,0 +1,69 @@
+package mods.betterfoliage.client.texture
+
+import cpw.mods.fml.common.eventhandler.SubscribeEvent
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.render.HSB
+import mods.octarinecore.client.resource.averageColor
+import net.minecraft.block.Block
+import net.minecraft.client.renderer.texture.TextureAtlasSprite
+import net.minecraft.client.renderer.texture.TextureMap
+import net.minecraft.util.IIcon
+import net.minecraftforge.client.event.TextureStitchEvent
+import net.minecraftforge.common.MinecraftForge
+import org.apache.logging.log4j.Level.DEBUG
+import org.apache.logging.log4j.Level.INFO
+
+const val defaultGrassColor = 0
+
+/** Rendering-related information for a grass block. */
+class GrassInfo(
+    /** Top texture of the grass block. */
+    val grassTopTexture: TextureAtlasSprite,
+
+    /**
+     * Color to use for Short Grass rendering instead of the biome color.
+     *
+     * Value is null if the texture is mostly grey (the saturation of its average color is under a configurable limit),
+     * the average color of the texture (significantly brightened) otherwise.
+     */
+    val overrideColor: Int?
+)
+
+/** Collects and manages rendering-related information for grass blocks. */
+@SideOnly(Side.CLIENT)
+object GrassRegistry {
+
+    val grass: MutableMap<IIcon, GrassInfo> = hashMapOf()
+
+    init {
+        MinecraftForge.EVENT_BUS.register(this)
+    }
+
+    @SubscribeEvent
+    fun handleTextureReload(event: TextureStitchEvent.Pre) {
+        if (event.map.textureType != 0) return
+        grass.clear()
+        Client.log(INFO, "Inspecting grass textures")
+
+        Block.blockRegistry.forEach { block ->
+            if (Config.blocks.grass.matchesClass(block as Block)) {
+                block.registerBlockIcons { location ->
+                    val original = event.map.getTextureExtry(location)
+                    Client.log(DEBUG, "Found grass texture: $location")
+                    registerGrass(event.map, original)
+                    return@registerBlockIcons original
+                }
+            }
+        }
+    }
+
+    fun registerGrass(atlas: TextureMap, icon: TextureAtlasSprite) {
+        val hsb = HSB.fromColor(icon.averageColor ?: defaultGrassColor)
+        val overrideColor = if (hsb.saturation > Config.shortGrass.saturationThreshold) hsb.copy(brightness = 0.8f).asColor else null
+        grass.put(icon, GrassInfo(icon, overrideColor))
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/texture/LeafGenerator.kt b/src/main/kotlin/mods/betterfoliage/client/texture/LeafGenerator.kt
new file mode 100644
index 0000000..1ef79dd
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/texture/LeafGenerator.kt
@@ -0,0 +1,77 @@
+package mods.betterfoliage.client.texture
+
+import mods.betterfoliage.BetterFoliageMod
+import mods.octarinecore.client.resource.*
+import mods.octarinecore.stripStart
+import net.minecraft.util.ResourceLocation
+import java.awt.image.BufferedImage
+
+/**
+ * Generate round leaf textures from leaf block textures.
+ * The base texture is tiled 2x2, then parts of it are made transparent by applying a mask to the alpha channel.
+ *
+ * Generator parameter _type_: Leaf type (configurable by user). Different leaf types may have their own alpha mask.
+ *
+ * @param[domain] Resource domain of generator
+ */
+class LeafGenerator(domain: String) : TextureGenerator(domain) {
+
+    override fun generate(params: ParameterList): BufferedImage? {
+        val target = targetResource(params)!!
+        val leafType = params["type"] ?: "default"
+
+        val handDrawnLoc = target.second.stripStart("textures/").stripStart("blocks/").let {
+            ResourceLocation(BetterFoliageMod.DOMAIN, "textures/blocks/${it.resourceDomain}/${it.resourcePath}")
+        }
+        resourceManager[handDrawnLoc]?.loadImage()?.let { return it }
+
+        val baseTexture = resourceManager[target.second]?.loadImage() ?: return null
+        val size = baseTexture.width
+        val frames = baseTexture.height / size
+
+        val maskTexture = (getLeafMask(leafType, size * 2) ?: getLeafMask("default", size * 2))?.loadImage()
+        fun scale(i: Int) = i * maskTexture!!.width / (size * 2)
+
+        val leafTexture = BufferedImage(size * 2, size * 2 * frames, BufferedImage.TYPE_4BYTE_ABGR)
+        val graphics = leafTexture.createGraphics()
+
+        // iterate all frames
+        for (frame in 0 .. frames - 1) {
+            val baseFrame = baseTexture.getSubimage(0, size * frame, size, size)
+            val leafFrame = BufferedImage(size * 2, size * 2, BufferedImage.TYPE_4BYTE_ABGR)
+
+            // tile leaf texture 2x2
+            leafFrame.createGraphics().apply {
+                drawImage(baseFrame, 0, 0, null)
+                drawImage(baseFrame, 0, size, null)
+                drawImage(baseFrame, size, 0, null)
+                drawImage(baseFrame, size, size, null)
+            }
+
+            // overlay alpha mask
+            if (target.first == ResourceType.COLOR && maskTexture != null) {
+                for (x in 0 .. size * 2 - 1) for (y in 0 .. size * 2 - 1) {
+                    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()
+                }
+            }
+
+            // add to animated png
+            graphics.drawImage(leafFrame, 0, size * frame * 2, null)
+        }
+
+        return leafTexture
+    }
+
+    /**
+     * Get the alpha mask to use
+     *
+     * @param[type] Alpha mask type.
+     * @param[maxSize] Preferred mask size.
+     */
+    fun getLeafMask(type: String, maxSize: Int) = getMultisizeTexture(maxSize) { size ->
+        ResourceLocation(BetterFoliageMod.DOMAIN, "textures/blocks/leafmask_${size}_${type}.png")
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/texture/LeafRegistry.kt b/src/main/kotlin/mods/betterfoliage/client/texture/LeafRegistry.kt
new file mode 100644
index 0000000..3da9dab
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/texture/LeafRegistry.kt
@@ -0,0 +1,94 @@
+package mods.betterfoliage.client.texture
+
+import cpw.mods.fml.common.FMLCommonHandler
+import cpw.mods.fml.common.eventhandler.SubscribeEvent
+import cpw.mods.fml.relauncher.Side
+import cpw.mods.fml.relauncher.SideOnly
+import mods.betterfoliage.client.Client
+import mods.betterfoliage.client.config.Config
+import mods.octarinecore.client.resource.IconSet
+import mods.octarinecore.client.resource.averageColor
+import net.minecraft.block.Block
+import net.minecraft.client.renderer.texture.TextureAtlasSprite
+import net.minecraft.client.renderer.texture.TextureMap
+import net.minecraft.util.IIcon
+import net.minecraft.util.ResourceLocation
+import net.minecraftforge.client.event.TextureStitchEvent
+import net.minecraftforge.common.MinecraftForge
+import org.apache.logging.log4j.Level.*
+
+const val defaultLeafColor = 0
+
+/** Rendering-related information for a leaf block. */
+class LeafInfo(
+    /** The generated round leaf texture. */
+    val roundLeafTexture: TextureAtlasSprite,
+
+    /** Type of the leaf block (configurable by user). */
+    val leafType: String,
+
+    /** Average color of the round leaf texture. */
+    val averageColor: Int = roundLeafTexture.averageColor ?: defaultLeafColor
+) {
+    /** [IconSet] of the textures to use for leaf particles emitted from this block. */
+    val particleTextures: IconSet get() = LeafRegistry.particles[leafType]!!
+}
+
+/** Collects and manages rendering-related information for leaf blocks. */
+@SideOnly(Side.CLIENT)
+object LeafRegistry {
+
+    val leaves: MutableMap<IIcon, LeafInfo> = hashMapOf()
+    val particles: MutableMap<String, IconSet> = hashMapOf()
+    val typeMappings = TextureMatcher()
+
+    init {
+        MinecraftForge.EVENT_BUS.register(this)
+    }
+
+    @SubscribeEvent
+    fun handleTextureReload(event: TextureStitchEvent.Pre) {
+        if (event.map.textureType != 0) return
+        leaves.clear()
+        particles.clear()
+        typeMappings.loadMappings(ResourceLocation("betterfoliage", "leafTypeMappings.cfg"))
+        Client.log(INFO, "Generating leaf textures")
+
+        IconSet("betterfoliage", "falling_leaf_default_%d").let {
+            it.onStitch(event.map)
+            particles.put("default", it)
+        }
+
+        Block.blockRegistry.forEach { block ->
+            if (Config.blocks.leaves.matchesClass(block as Block)) {
+                block.registerBlockIcons { location ->
+                    val original = event.map.getTextureExtry(location)
+                    Client.log(DEBUG, "Found leaf texture: $location")
+                    registerLeaf(event.map, original)
+                    return@registerBlockIcons original
+                }
+            }
+        }
+    }
+
+    fun registerLeaf(atlas: TextureMap, icon: TextureAtlasSprite) {
+        var leafType = typeMappings.getType(icon) ?: "default"
+        val generated = atlas.registerIcon(
+            Client.genLeaves.generatedResource(icon.iconName, "type" to leafType).toString()
+        )
+
+        if (leafType !in particles.keys) {
+            val particleSet = IconSet("betterfoliage", "falling_leaf_${leafType}_%d")
+            particleSet.onStitch(atlas)
+            if (particleSet.num == 0) {
+                Client.log(WARN, "Leaf particle textures not found for leaf type: $leafType")
+                leafType == "default"
+            } else {
+                particles.put(leafType, particleSet)
+            }
+        }
+
+        val leafInfo = LeafInfo(generated as TextureAtlasSprite, leafType)
+        leaves.put(icon, leafInfo)
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/texture/TextureMatcher.kt b/src/main/kotlin/mods/betterfoliage/client/texture/TextureMatcher.kt
new file mode 100644
index 0000000..1791f99
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/texture/TextureMatcher.kt
@@ -0,0 +1,35 @@
+package mods.betterfoliage.client.texture
+
+import mods.octarinecore.client.resource.resourceManager
+import mods.octarinecore.client.resource.get
+import mods.octarinecore.client.resource.getLines
+import net.minecraft.client.renderer.texture.TextureAtlasSprite
+import net.minecraft.util.ResourceLocation
+
+class TextureMatcher() {
+
+    data class Mapping(val domain: String?, val path: String, val type: String) {
+        fun matches(icon: TextureAtlasSprite): Boolean {
+            val iconLocation = ResourceLocation(icon.iconName)
+            return (domain == null || domain == iconLocation.resourceDomain) && iconLocation.resourcePath.contains(path)
+        }
+    }
+
+    val mappings: MutableList<Mapping> = linkedListOf()
+
+    fun getType(icon: TextureAtlasSprite): String? = mappings.filter { it.matches(icon) }.map { it.type }.firstOrNull()
+
+    fun loadMappings(mappingLocation: ResourceLocation) {
+        mappings.clear()
+        resourceManager[mappingLocation]?.getLines()?.let { lines ->
+            lines.filter { !it.startsWith("//") }.filter { !it.isEmpty() }.forEach { line ->
+                val line2 = line.trim().split('=')
+                if (line2.size == 2) {
+                    val mapping = line2[0].trim().split(':')
+                    if (mapping.size == 1) mappings.add(Mapping(null, mapping[0].trim(), line2[1].trim()))
+                    else if (mapping.size == 2) mappings.add(Mapping(mapping[1].trim(), mapping[0].trim(), line2[1].trim()))
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/client/texture/Utils.kt b/src/main/kotlin/mods/betterfoliage/client/texture/Utils.kt
new file mode 100644
index 0000000..e714990
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/client/texture/Utils.kt
@@ -0,0 +1,11 @@
+@file:JvmName("Utils")
+package mods.betterfoliage.client.texture
+
+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)
+    val b = ((rgb1 and 255) * weight1 + (rgb2 and 255) * weight2) / (weight1 + weight2)
+    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
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/loader/BetterFoliageCore.kt b/src/main/kotlin/mods/betterfoliage/loader/BetterFoliageCore.kt
new file mode 100644
index 0000000..0e897d9
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/loader/BetterFoliageCore.kt
@@ -0,0 +1,106 @@
+package mods.betterfoliage.loader
+
+import cpw.mods.fml.relauncher.FMLLaunchHandler
+import cpw.mods.fml.relauncher.IFMLLoadingPlugin
+import mods.octarinecore.metaprog.*
+import org.objectweb.asm.Opcodes.*
+
+@IFMLLoadingPlugin.TransformerExclusions(
+    "mods.betterfoliage.loader",
+    "mods.octarinecore.metaprog",
+    "kotlin",
+    "mods.betterfoliage.kotlin"
+)
+class BetterFoliageLoader : ASMPlugin(BetterFoliageTransformer::class.java)
+
+class BetterFoliageTransformer : Transformer() {
+
+    init {
+        if (FMLLaunchHandler.side().isClient) setupClient()
+    }
+
+    fun setupClient() {
+        // where: RenderBlocks.renderBlockByRenderType()
+        // what: invoke BF code to overrule the return value of Block.getRenderType()
+        // why: allows us to use custom block renderers for any block, without touching block code
+        transformMethod(Refs.renderBlockByRenderType) {
+            find(varinsn(ISTORE, 5))?.insertAfter {
+                log.info("Applying block render type override")
+                varinsn(ALOAD, 0)
+                getField(Refs.blockAccess)
+                varinsn(ILOAD, 2)
+                varinsn(ILOAD, 3)
+                varinsn(ILOAD, 4)
+                varinsn(ALOAD, 1)
+                varinsn(ILOAD, 5)
+                invokeStatic(Refs.getRenderTypeOverride)
+                varinsn(ISTORE, 5)
+            } ?: log.warn("Failed to apply block render type override!")
+        }
+
+        // where: WorldClient.doVoidFogParticles(), right before the end of the loop
+        // what: invoke BF code for every random display tick
+        // why: allows us to catch random display ticks, without touching block code
+        transformMethod(Refs.doVoidFogParticles) {
+            find(IINC)?.insertBefore {
+                log.info("Applying random display tick call hook")
+                varinsn(ALOAD, 10)
+                varinsn(ALOAD, 0)
+                varinsn(ILOAD, 7)
+                varinsn(ILOAD, 8)
+                varinsn(ILOAD, 9)
+                invokeStatic(Refs.onRandomDisplayTick)
+            } ?: log.warn("Failed to apply random display tick call hook!")
+        }
+
+        // where: shadersmodcore.client.Shaders.pushEntity()
+        // what: invoke BF code to overrule block data
+        // why: allows us to change the block ID seen by shader programs
+        transformMethod(Refs.pushEntity) {
+            find(IASTORE)?.insertBefore {
+                log.info("Applying Shaders.pushEntity() block id override")
+                varinsn(ALOAD, 1)
+                invokeStatic(Refs.getBlockIdOverride)
+            } ?: log.warn("Failed to apply Shaders.pushEntity() block id override!")
+        }
+
+        // where: Block.getAmbientOcclusionLightValue()
+        // what: invoke BF code to overrule AO transparency value
+        // why: allows us to have light behave properly on non-solid log blocks without
+        //      messing with isOpaqueBlock(), which could have gameplay effects
+        transformMethod(Refs.getAmbientOcclusionLightValue) {
+            find(FRETURN)?.insertBefore {
+                log.info("Applying Block.getAmbientOcclusionLightValue() override")
+                varinsn(ALOAD, 0)
+                invokeStatic(Refs.getAmbientOcclusionLightValueOverride)
+            } ?: log.warn("Failed to apply Block.getAmbientOcclusionLightValue() override!")
+        }
+
+        // where: Block.getUseNeighborBrightness()
+        // what: invoke BF code to overrule _useNeighborBrightness_
+        // why: allows us to have light behave properly on non-solid log blocks
+        transformMethod(Refs.getUseNeighborBrightness) {
+            find(IRETURN)?.insertBefore {
+                log.info("Applying Block.getUseNeighborBrightness() override")
+                varinsn(ALOAD, 0)
+                invokeStatic(Refs.getUseNeighborBrightnessOverride)
+            } ?: log.warn("Failed to apply Block.getUseNeighborBrightness() override!")
+        }
+
+        // where: Block.shouldSideBeRendered()
+        // what: invoke BF code to overrule condition
+        // why: allows us to make log blocks non-solid without
+        //      messing with isOpaqueBlock(), which could have gameplay effects
+        transformMethod(Refs.shouldSideBeRendered) {
+            find(IRETURN)?.insertBefore {
+                log.info("Applying Block.shouldSideBeRendered() override")
+                varinsn(ALOAD, 1)
+                varinsn(ILOAD, 2)
+                varinsn(ILOAD, 3)
+                varinsn(ILOAD, 4)
+                varinsn(ILOAD, 5)
+                invokeStatic(Refs.shouldRenderBlockSideOverride)
+            } ?: log.warn("Failed to apply Block.shouldSideBeRendered() override!")
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/betterfoliage/loader/Refs.kt b/src/main/kotlin/mods/betterfoliage/loader/Refs.kt
new file mode 100644
index 0000000..6b91abd
--- /dev/null
+++ b/src/main/kotlin/mods/betterfoliage/loader/Refs.kt
@@ -0,0 +1,71 @@
+package mods.betterfoliage.loader
+
+import cpw.mods.fml.relauncher.FMLInjectionData
+import mods.octarinecore.metaprog.ClassRef
+import mods.octarinecore.metaprog.FieldRef
+import mods.octarinecore.metaprog.MethodRef
+
+/** Singleton object holding references to foreign code elements. */
+object Refs {
+    val mcVersion = FMLInjectionData.data()[4].toString()
+
+    // Java
+    val Map = ClassRef("java.util.Map")
+    val List = ClassRef("java.util.List")
+
+    // Minecraft
+    val IBlockAccess = ClassRef("net.minecraft.world.IBlockAccess", "ahl")
+
+    val Block = ClassRef("net.minecraft.block.Block", "aji")
+    val getAmbientOcclusionLightValue = MethodRef(Block, "getAmbientOcclusionLightValue", "func_149685_I", "I", ClassRef.float)
+    val getUseNeighborBrightness = MethodRef(Block, "getUseNeighborBrightness", "func_149710_n", "n", ClassRef.boolean)
+    val shouldSideBeRendered = MethodRef(Block, "shouldSideBeRendered", "func_149646_a", "a", ClassRef.boolean, IBlockAccess, ClassRef.int, ClassRef.int, ClassRef.int, ClassRef.int)
+
+    val RenderBlocks = ClassRef("net.minecraft.client.renderer.RenderBlocks", "blm")
+    val blockAccess = FieldRef(RenderBlocks, "blockAccess", null, "a", IBlockAccess)
+    val renderBlockByRenderType = MethodRef(RenderBlocks, "renderBlockByRenderType", null, "b", ClassRef.boolean, Block, ClassRef.int, ClassRef.int, ClassRef.int)
+
+    val WorldClient = ClassRef("net.minecraft.client.multiplayer.WorldClient", "bjf")
+    val doVoidFogParticles = MethodRef(WorldClient, "doVoidFogParticles", null, "C", ClassRef.void, ClassRef.int, ClassRef.int, ClassRef.int)
+
+    val World =  ClassRef("net.minecraft.world.World", "ahb")
+
+    val TextureMap = ClassRef("net.minecraft.client.renderer.texture.TextureMap", "bpr")
+    val mapRegisteredSprites = FieldRef(TextureMap, "mapRegisteredSprites", "field_110574_e", "bpr", Map)
+
+    val IMetadataSerializer = ClassRef("net.minecraft.client.resources.data.IMetadataSerializer", "brw")
+    val SimpleReloadableResourceManager = ClassRef("net.minecraft.client.resources.SimpleReloadableResourceManager", "brg")
+    val metadataSerializer = FieldRef(SimpleReloadableResourceManager, "rmMetadataSerializer", "field_110547_c", "f", IMetadataSerializer)
+
+    val IIcon = ClassRef("net.minecraft.util.IIcon", "rf")
+    val TextureAtlasSprite = ClassRef("net.minecraft.client.renderer.texture.TextureAtlasSprite", "bqd")
+
+    // Better Foliage
+    val BetterFoliageHooks = ClassRef("mods.betterfoliage.client.Hooks")
+    val getAmbientOcclusionLightValueOverride = MethodRef(BetterFoliageHooks, "getAmbientOcclusionLightValueOverride", ClassRef.float, ClassRef.float, Block)
+    val getUseNeighborBrightnessOverride = MethodRef(BetterFoliageHooks, "getUseNeighborBrightnessOverride", ClassRef.boolean, ClassRef.boolean, Block)
+    val shouldRenderBlockSideOverride = MethodRef(BetterFoliageHooks, "shouldRenderBlockSideOverride", ClassRef.boolean, ClassRef.boolean, IBlockAccess, ClassRef.int, ClassRef.int, ClassRef.int, ClassRef.int)
+    val getRenderTypeOverride = MethodRef(BetterFoliageHooks, "getRenderTypeOverride", ClassRef.int, IBlockAccess, ClassRef.int, ClassRef.int, ClassRef.int, Block, ClassRef.int)
+    val onRandomDisplayTick = MethodRef(BetterFoliageHooks, "onRandomDisplayTick", ClassRef.void, Block, World, ClassRef.int, ClassRef.int, ClassRef.int)
+
+    // Shaders mod
+    val Shaders = ClassRef("shadersmodcore.client.Shaders")
+    val pushEntity = MethodRef(Shaders, "pushEntity", ClassRef.void, RenderBlocks, Block, ClassRef.int, ClassRef.int, ClassRef.int)
+    val pushEntity_I = MethodRef(Shaders, "pushEntity", ClassRef.void, ClassRef.int)
+    val popEntity = MethodRef(Shaders, "popEntity", ClassRef.void)
+
+    val ShadersModIntegration = ClassRef("mods.betterfoliage.client.integration.ShadersModIntegration")
+    val getBlockIdOverride = MethodRef(ShadersModIntegration, "getBlockIdOverride", ClassRef.int, ClassRef.int, Block)
+
+    // Optifine
+    val ConnectedTextures = ClassRef("ConnectedTextures")
+    val getConnectedTexture = MethodRef(ConnectedTextures, "getConnectedTexture", IIcon, IBlockAccess, Block, ClassRef.int, ClassRef.int, ClassRef.int, ClassRef.int, IIcon)
+    val CTBlockProperties = FieldRef(ConnectedTextures, "blockProperties", null)
+    val CTTileProperties = FieldRef(ConnectedTextures, "tileProperties", null)
+
+    val ConnectedProperties = ClassRef("ConnectedProperties")
+    val CPTileIcons = FieldRef(ConnectedProperties, "tileIcons", null)
+
+    // Colored Lights Core
+    val CLCLoadingPlugin = ClassRef("coloredlightscore.src.asm.ColoredLightsCoreLoadingPlugin")
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/Utils.kt b/src/main/kotlin/mods/octarinecore/Utils.kt
new file mode 100644
index 0000000..c4fda09
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/Utils.kt
@@ -0,0 +1,70 @@
+@file:JvmName("Utils")
+@file:Suppress("NOTHING_TO_INLINE")
+package mods.octarinecore
+
+import net.minecraft.util.ResourceLocation
+import kotlin.reflect.KProperty
+import java.lang.Math.*
+
+const val PI2 = 2.0 * PI
+
+inline fun String.stripStart(str: String) = if (startsWith(str)) substring(str.length) else this
+inline fun ResourceLocation.stripStart(str: String) = ResourceLocation(resourceDomain, resourcePath.stripStart(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) }
+
+/** Exchange the two elements of the list with the given indices */
+inline fun <T> MutableList<T>.exchange(idx1: Int, idx2: Int) {
+    val e = this[idx1]
+    this[idx1] = this[idx2]
+    this[idx2] = e
+}
+
+/** Cross product of this [Iterable] with the parameter. */
+fun <A, B> Iterable<A>.cross(other: Iterable<B>) = flatMap { a -> other.map { b -> a to b } }
+
+/**
+ * Property-level delegate backed by a [ThreadLocal].
+ *
+ * @param[init] Lambda to get initial value
+ */
+class ThreadLocalDelegate<T>(init: () -> T) {
+    var tlVal = ThreadLocal.withInitial(init)
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): T = tlVal.get()
+    operator fun setValue(thisRef: Any?, property: KProperty<*>, value: T) { tlVal.set(value) }
+}
+
+/**
+ * Starting with the second element of this [Iterable] until the last, call the supplied lambda with
+ * the parameters (index, element, previous element).
+ */
+inline fun <reified T> Iterable<T>.forEachPairIndexed(func: (Int, T, T)->Unit) {
+    var previous: T? = null
+    forEachIndexed { idx, current ->
+        if (previous != null) func(idx, current, previous!!)
+        previous = current
+    }
+}
+
+/** Call the supplied lambda and return its result, or the given default value if an exception is thrown. */
+fun <T> tryDefault(default: T, work: ()->T) = try { work() } catch (e: Throwable) { default }
+
+/** Return a random [Double] value between the given two limits (inclusive min, exclusive max). */
+fun random(min: Double, max: Double) = Math.random().let { min + (max - min) * it }
+
+/**
+ * Return this [Double] value if it lies between the two limits. If outside, return the
+ * minimum/maximum value correspondingly.
+ */
+fun Double.minmax(minVal: Double, maxVal: Double) = min(max(this, minVal), maxVal)
+
+/**
+ * Return this [Int] value if it lies between the two limits. If outside, return the
+ * minimum/maximum value correspondingly.
+ */
+fun Int.minmax(minVal: Int, maxVal: Int) = min(max(this, minVal), maxVal)
+
+fun nextPowerOf2(x: Int): Int {
+    return 1 shl (if (x == 0) 0 else 32 - Integer.numberOfLeadingZeros(x - 1))
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/KeyHandler.kt b/src/main/kotlin/mods/octarinecore/client/KeyHandler.kt
new file mode 100644
index 0000000..0c6748d
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/KeyHandler.kt
@@ -0,0 +1,22 @@
+package mods.octarinecore.client
+
+import cpw.mods.fml.client.registry.ClientRegistry
+import cpw.mods.fml.common.FMLCommonHandler
+import cpw.mods.fml.common.eventhandler.SubscribeEvent
+import cpw.mods.fml.common.gameevent.InputEvent
+import net.minecraft.client.settings.KeyBinding
+
+class KeyHandler(val modId: String, val defaultKey: Int, val lang: String, val action: (InputEvent.KeyInputEvent)->Unit) {
+
+    val keyBinding = KeyBinding(lang, defaultKey, modId)
+
+    init {
+        ClientRegistry.registerKeyBinding(keyBinding)
+        FMLCommonHandler.instance().bus().register(this)
+    }
+
+    @SubscribeEvent
+    fun handleKeyPress(event: InputEvent.KeyInputEvent) {
+        if (keyBinding.isPressed) action(event)
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/gui/IdListConfigEntry.kt b/src/main/kotlin/mods/octarinecore/client/gui/IdListConfigEntry.kt
new file mode 100644
index 0000000..9f722ee
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/gui/IdListConfigEntry.kt
@@ -0,0 +1,58 @@
+package mods.octarinecore.client.gui
+
+import cpw.mods.fml.client.config.*
+import net.minecraft.client.gui.GuiScreen
+import net.minecraft.client.resources.I18n
+import net.minecraft.util.EnumChatFormatting.GOLD
+import net.minecraft.util.EnumChatFormatting.YELLOW
+
+/**
+ * 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<Boolean>(item.itemName, default, ConfigGuiType.BOOLEAN, item.itemName) {
+        init { set(value) }
+
+        override fun getComment() = I18n.format("${configElement.languageKey}.tooltip.element", "${GOLD}${item.itemName}${YELLOW}")
+        override fun set(value: Boolean) { this.value = value }
+        fun setDefault(value: Boolean) { this.defaultValue = value }
+        val booleanValue: Boolean get() = value as Boolean
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/gui/NonVerboseArrayEntry.kt b/src/main/kotlin/mods/octarinecore/client/gui/NonVerboseArrayEntry.kt
new file mode 100644
index 0000000..89f97f3
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/gui/NonVerboseArrayEntry.kt
@@ -0,0 +1,25 @@
+package mods.octarinecore.client.gui
+
+import cpw.mods.fml.client.config.GuiConfig
+import cpw.mods.fml.client.config.GuiConfigEntries
+import cpw.mods.fml.client.config.IConfigElement
+import net.minecraft.client.resources.I18n
+import net.minecraft.util.EnumChatFormatting.*
+
+class NonVerboseArrayEntry(
+        owningScreen: GuiConfig,
+        owningEntryList: GuiConfigEntries,
+        configElement: IConfigElement<*>
+) : GuiConfigEntries.ArrayEntry(owningScreen, owningEntryList, configElement) {
+
+    init {
+        stripTooltipDefaultText(toolTip as MutableList<String>)
+        val shortDefaults = I18n.format("${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)
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/gui/Utils.kt b/src/main/kotlin/mods/octarinecore/client/gui/Utils.kt
new file mode 100644
index 0000000..e5c4ea5
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/gui/Utils.kt
@@ -0,0 +1,13 @@
+@file:JvmName("Utils")
+package mods.octarinecore.client.gui
+
+import net.minecraft.util.EnumChatFormatting
+
+fun stripTooltipDefaultText(tooltip: MutableList<String>) {
+    var defaultRows = false
+    val iter = tooltip.iterator()
+    while (iter.hasNext()) {
+        if (iter.next().startsWith(EnumChatFormatting.AQUA.toString())) defaultRows = true
+        if (defaultRows) iter.remove()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/AbstractBlockRenderingHandler.kt b/src/main/kotlin/mods/octarinecore/client/render/AbstractBlockRenderingHandler.kt
new file mode 100644
index 0000000..d92703d
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/AbstractBlockRenderingHandler.kt
@@ -0,0 +1,160 @@
+@file:JvmName("RendererHolder")
+package mods.octarinecore.client.render
+
+import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler
+import cpw.mods.fml.client.registry.RenderingRegistry
+import mods.octarinecore.ThreadLocalDelegate
+import mods.octarinecore.client.resource.ResourceHandler
+import net.minecraft.block.Block
+import net.minecraft.client.Minecraft
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraft.util.IIcon
+import net.minecraft.util.MathHelper
+import net.minecraft.world.IBlockAccess
+import net.minecraftforge.common.util.ForgeDirection
+
+/**
+ * [ThreadLocal] instance of [ExtendedRenderBlocks] used instead of the vanilla [RenderBlocks] to get the
+ * AO values and textures used in rendering without duplicating vanilla code.
+ */
+val renderBlocks by ThreadLocalDelegate { ExtendedRenderBlocks() }
+
+/**
+ * [ThreadLocal] instance of [BlockContext] representing the block being rendered.
+ */
+val blockContext by ThreadLocalDelegate { BlockContext() }
+
+/**
+ * [ThreadLocal] instance of [ModelRenderer].
+ */
+val modelRenderer by ThreadLocalDelegate { ModelRenderer() }
+
+abstract class AbstractBlockRenderingHandler(modId: String) : ResourceHandler(modId), ISimpleBlockRenderingHandler {
+
+    // ============================
+    // Self-registration
+    // ============================
+    val id = RenderingRegistry.getNextAvailableRenderId()
+    init {
+        RenderingRegistry.registerBlockHandler(this);
+    }
+
+    // ============================
+    // Custom rendering
+    // ============================
+    abstract fun isEligible(ctx: BlockContext): Boolean
+    abstract fun render(ctx: BlockContext, parent: RenderBlocks): Boolean
+
+    // ============================
+    // Interface implementation
+    // ============================
+    override fun renderWorldBlock(world: IBlockAccess?, x: Int, y: Int, z: Int, block: Block?, modelId: Int, parentRenderer: RenderBlocks?): Boolean {
+        renderBlocks.blockAccess = world
+        return render(blockContext, parentRenderer!!)
+    }
+    override fun renderInventoryBlock(block: Block?, metadata: Int, modelId: Int, renderer: RenderBlocks?) {}
+    override fun shouldRender3DInInventory(modelId: Int) = true
+    override fun getRenderId(): Int = id
+
+    // ============================
+    // Vanilla rendering wrapper
+    // ============================
+    /**
+     * Render the block in the current [BlockContext], and capture shading and texture data.
+     *
+     * @param[parentRenderer] parent renderer passed in by rendering pipeline, used only for block breaking overlay
+     * @param[targetPass] which render pass to save shading and texture data from
+     * @param[block] lambda to use to render the block if it does not have a custom renderer
+     * @param[face] lambda to determine which faces of the block to render
+     */
+    fun renderWorldBlockBase(
+        parentRenderer: RenderBlocks = renderBlocks,
+        targetPass: Int = 1,
+        block: () -> Unit = { blockContext.let { ctx -> renderBlocks.renderStandardBlock(ctx.block, ctx.x, ctx.y, ctx.z) } },
+        face: (ShadingCapture, ForgeDirection, Int, IIcon?) -> Boolean
+    ): Boolean {
+        val ctx = blockContext
+        val renderBlocks = renderBlocks
+
+        // use original renderer for block breaking overlay
+        if (parentRenderer.hasOverrideBlockTexture()) {
+            parentRenderer.setRenderBoundsFromBlock(ctx.block);
+            parentRenderer.renderStandardBlock(ctx.block, ctx.x, ctx.y, ctx.z);
+            return true;
+        }
+
+        // render block
+        renderBlocks.capture.reset(targetPass)
+        renderBlocks.capture.renderCallback = face
+        renderBlocks.setRenderBoundsFromBlock(ctx.block);
+        val handler = renderingHandlers[ctx.block.renderType];
+        if (handler != null && ctx.block.renderType != 0) {
+            handler.renderWorldBlock(ctx.world, ctx.x, ctx.y, ctx.z, ctx.block, ctx.block.renderType, renderBlocks);
+        } else {
+            block()
+        }
+        return false;
+    }
+
+}
+
+/**
+ * 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 x: Int = 0
+    var y: Int = 0
+    var z: Int = 0
+
+    fun set(world: IBlockAccess, x: Int, y: Int, z: Int) { this.world = world; this.x = x; this.y = y; this.z = z; }
+
+    /** Get the [Block] at the given offset. */
+    val block: Block get() = world!!.getBlock(x, y, z)
+    fun block(offset: Int3) = world!!.getBlock(x + offset.x, y + offset.y, z + offset.z)
+
+    /** Get the metadata at the given offset. */
+    val meta: Int get() = world!!.getBlockMetadata(x, y, z)
+    fun meta(offset: Int3) = world!!.getBlockMetadata(x + offset.x, y + offset.y, z + offset.z)
+
+    /** Get the block color multiplier at the given offset. */
+    val blockColor: Int get() = block.colorMultiplier(world, x, y, z)
+    fun blockColor(offset: Int3) = block(offset).colorMultiplier(world, x + offset.x, y + offset.y, z + offset.z)
+
+    /** Get the block brightness at the given offset. */
+    val blockBrightness: Int get() = block.getMixedBrightnessForBlock(world, x, y, z)
+    fun blockBrightness(offset: Int3) = block(offset).getMixedBrightnessForBlock(world, x + offset.x, y + offset.y, z + offset.z)
+
+    /** Get the biome ID at the block position. */
+    val biomeId: Int get() = world!!.getBiomeGenForCoords(x, z).biomeID
+
+    /** Get the texture on a given face of the block being rendered. */
+    fun icon(face: ForgeDirection) = block(Int3.zero).getIcon(face.ordinal, meta(Int3.zero))
+    /** Get the texture on a given face of the block at the given offset. */
+    fun icon(offset: Int3, face: ForgeDirection) = block(offset).getIcon(face.ordinal, meta(offset))
+
+    /** Get the centerpoint of the block being rendered. */
+    val blockCenter: Double3 get() = Double3(x + 0.5, y + 0.5, z + 0.5)
+
+    /** Is the block surrounded by other blocks that satisfy the predicate on all sides? */
+    fun isSurroundedBy(predicate: (Block)->Boolean) = forgeDirOffsets.all { predicate(block(it)) }
+
+    /** Get a semi-random value based on the block coordinate and the given seed. */
+    fun random(seed: Int): Int {
+        var value = (x * x + y * y + z * z + x * y + y * z + z * x + (seed * seed)) and 63
+        value = (3 * x * value + 5 * y * value + 7 * z * value + (11 * seed)) and 63
+        return value
+    }
+
+    /** 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 Math.abs(x - MathHelper.floor_double(camera.posX)) +
+               Math.abs(y - MathHelper.floor_double(camera.posY)) +
+               Math.abs(z - MathHelper.floor_double(camera.posZ))
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/AbstractEntityFX.kt b/src/main/kotlin/mods/octarinecore/client/render/AbstractEntityFX.kt
new file mode 100644
index 0000000..348159f
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/AbstractEntityFX.kt
@@ -0,0 +1,98 @@
+package mods.octarinecore.client.render
+
+import mods.octarinecore.PI2
+import net.minecraft.client.Minecraft
+import net.minecraft.client.particle.EntityFX
+import net.minecraft.client.renderer.Tessellator
+import net.minecraft.util.IIcon
+import net.minecraft.world.World
+
+abstract class AbstractEntityFX(world: World, x: Double, y: Double, z: Double) : EntityFX(world, x, y, z) {
+
+    companion object {
+        @JvmStatic val sin = Array(64) { idx -> Math.sin(PI2 / 64.0 * idx) }
+        @JvmStatic val cos = Array(64) { idx -> Math.cos(PI2 / 64.0 * idx) }
+    }
+
+    val billboardRot = Pair(Double3.zero, Double3.zero)
+    val currentPos = Double3.zero
+    val prevPos = Double3.zero
+    val velocity = Double3.zero
+
+    override fun onUpdate() {
+        super.onUpdate()
+        currentPos.setTo(posX, posY, posZ)
+        prevPos.setTo(prevPosX, prevPosY, prevPosZ)
+        velocity.setTo(motionX, motionY, motionZ)
+        update()
+        posX = currentPos.x; posY = currentPos.y; posZ = currentPos.z;
+        motionX = velocity.x; motionY = velocity.y; motionZ = velocity.z;
+    }
+
+    /** Render the particle. */
+    abstract fun render(tessellator: Tessellator, partialTickTime: Float)
+
+    /** Update particle on world tick. */
+    abstract fun update()
+
+    /** True if the particle is renderable. */
+    abstract val isValid: Boolean
+
+    /** Add the particle to the effect renderer if it is valid. */
+    fun addIfValid() { if (isValid) Minecraft.getMinecraft().effectRenderer.addEffect(this) }
+
+    override fun renderParticle(tessellator: Tessellator, partialTickTime: 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(tessellator, partialTickTime)
+    }
+
+    /**
+     * Render a particle quad.
+     *
+     * @param[tessellator] the [Tessellator] instance to use
+     * @param[partialTickTime] partial tick time
+     * @param[currentPos] render position
+     * @param[prevPos] previous tick position for interpolation
+     * @param[size] particle size
+     * @param[rotation] viewpoint-dependent particle rotation (64 steps)
+     * @param[icon] particle texture
+     * @param[isMirrored] mirror particle texture along V-axis
+     * @param[alpha] aplha blending
+     */
+    fun renderParticleQuad(tessellator: Tessellator,
+                           partialTickTime: Float,
+                           currentPos: Double3 = this.currentPos,
+                           prevPos: Double3 = this.prevPos,
+                           size: Double = particleScale.toDouble(),
+                           rotation: Int = 0,
+                           icon: IIcon = particleIcon,
+                           isMirrored: Boolean = false,
+                           alpha: Float = this.particleAlpha) {
+
+        val minU = (if (isMirrored) icon.minU else icon.maxU).toDouble()
+        val maxU = (if (isMirrored) icon.maxU else icon.minU).toDouble()
+        val minV = icon.minV.toDouble()
+        val maxV = icon.maxV.toDouble()
+
+        val center = currentPos.copy().sub(prevPos).mul(partialTickTime.toDouble()).add(prevPos).sub(interpPosX, interpPosY, interpPosZ)
+        val v1 = if (rotation == 0) billboardRot.first * size else
+            Double3.weight(billboardRot.first, cos[rotation and 63] * size, billboardRot.second, sin[rotation and 63] * size)
+        val v2 = if (rotation == 0) billboardRot.second * size else
+            Double3.weight(billboardRot.first, -sin[rotation and 63] * size, billboardRot.second, cos[rotation and 63] * size)
+
+        tessellator.setColorRGBA_F(this.particleRed, this.particleGreen, this.particleBlue, alpha)
+        tessellator.addVertexWithUV(center.x - v1.x, center.y - v1.y, center.z - v1.z, maxU, maxV)
+        tessellator.addVertexWithUV(center.x - v2.x, center.y - v2.y, center.z - v2.z, maxU, minV)
+        tessellator.addVertexWithUV(center.x + v1.x, center.y + v1.y, center.z + v1.z, minU, minV)
+        tessellator.addVertexWithUV(center.x + v2.x, center.y + v2.y, center.z + v2.z, minU, maxV)
+    }
+
+    override fun getFXLayer() = 1
+
+    fun setColor(color: Int) {
+        particleBlue = (color and 255) / 256.0f
+        particleGreen = ((color shr 8) and 255) / 256.0f
+        particleRed = ((color shr 16) and 255) / 256.0f
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/Geometry.kt b/src/main/kotlin/mods/octarinecore/client/render/Geometry.kt
new file mode 100644
index 0000000..ccddb10
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/Geometry.kt
@@ -0,0 +1,214 @@
+package mods.octarinecore.client.render
+
+import mods.octarinecore.client.render.Axis.*
+import mods.octarinecore.client.render.Dir.N
+import mods.octarinecore.client.render.Dir.P
+import mods.octarinecore.cross
+import net.minecraftforge.common.util.ForgeDirection
+import net.minecraftforge.common.util.ForgeDirection.*
+
+// ================================
+// Axes and directions
+// ================================
+enum class Axis { X, Y, Z }
+enum class Dir { P, N }
+val axes = listOf(X, Y, Z)
+val axisDirs = listOf(P, N)
+val forgeDirs = ForgeDirection.VALID_DIRECTIONS
+val forgeDirOffsets = forgeDirs.map { Int3(it) }
+val ForgeDirection.axis: Axis get() = when(this) {EAST, WEST -> X; UP, DOWN -> Y; else -> Z }
+val ForgeDirection.dir: Dir get() = when(this) {UP, SOUTH, EAST -> P; else -> N }
+val Pair<Axis, Dir>.face: ForgeDirection get() = when(this) {
+    X to P -> EAST; X to N -> WEST; Y to P -> UP; Y to N -> DOWN; Z to P -> SOUTH; Z to N -> NORTH; else -> UNKNOWN
+}
+val ForgeDirection.perpendiculars: List<ForgeDirection> get() =
+    axes.filter { it != this.axis }.cross(axisDirs).map { it.face }
+val ForgeDirection.offset: Int3 get() = forgeDirOffsets[ordinal]
+
+// ================================
+// Vectors
+// ================================
+operator fun ForgeDirection.times(scale: Double) =
+    Double3(offsetX.toDouble() * scale, offsetY.toDouble() * scale, offsetZ.toDouble() * scale)
+val ForgeDirection.vec: Double3 get() = Double3(offsetX.toDouble(), offsetY.toDouble(), offsetZ.toDouble())
+
+/** 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: ForgeDirection) : this(dir.offsetX.toDouble(), dir.offsetY.toDouble(), dir.offsetZ.toDouble())
+    companion object {
+        val zero: Double3 get() = Double3(0.0, 0.0, 0.0)
+        fun weight(v1: Double3, weight1: Double, v2: Double3, weight2: Double) =
+            Double3(v1.x * weight1 + v2.x * weight2, v1.y * weight1 + v2.y * weight2, v1.z * weight1 + v2.z * weight2)
+    }
+
+    // immutable operations
+    operator fun plus(other: Double3) = Double3(x + other.x, y + other.y, z + other.z)
+    operator fun unaryMinus() = Double3(-x, -y, -z)
+    operator fun minus(other: Double3) = Double3(x - other.x, y - other.y, z - other.z)
+    operator fun times(scale: Double) = Double3(x * scale, y * scale, z * scale)
+    operator fun times(other: Double3) = Double3(x * other.x, y * other.y, z * other.z)
+
+    /** Rotate this vector, and return coordinates in the unrotated frame */
+    fun rotate(rot: Rotation) = Double3(
+        rot.rotatedComponent(EAST, x, y, z),
+        rot.rotatedComponent(UP, x, y, z),
+        rot.rotatedComponent(SOUTH, x, y, z)
+    )
+
+    // mutable operations
+    fun setTo(other: Double3): Double3 { x = other.x; y = other.y; z = other.z; return this }
+    fun setTo(x: Double, y: Double, z: Double): Double3 { this.x = x; this.y = y; this.z = z; return this }
+    fun setTo(x: Float, y: Float, z: Float) = setTo(x.toDouble(), y.toDouble(), z.toDouble())
+    fun add(other: Double3): Double3 { x += other.x; y += other.y; z += other.z; return this }
+    fun add(x: Double, y: Double, z: Double): Double3 { this.x += x; this.y += y; this.z += z; return this }
+    fun sub(other: Double3): Double3 { x -= other.x; y -= other.y; z -= other.z; return this }
+    fun sub(x: Double, y: Double, z: Double): Double3 { this.x -= x; this.y -= y; this.z -= z; return this }
+    fun invert(): Double3 { x = -x; y = -y; z = -z; return this }
+    fun mul(scale: Double): Double3 { x *= scale; y *= scale; z *= scale; return this }
+    fun mul(other: Double3): Double3 { x *= other.x; y *= other.y; z *= other.z; return this }
+    fun rotateMut(rot: Rotation): Double3 {
+        val rotX = rot.rotatedComponent(EAST, x, y, z)
+        val rotY = rot.rotatedComponent(UP, x, y, z)
+        val rotZ = rot.rotatedComponent(SOUTH, x, y, z)
+        return setTo(rotX, rotY, rotZ)
+    }
+
+    // misc operations
+    infix fun dot(other: Double3) = x * other.x + y * other.y + z * other.z
+    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: ForgeDirection get() = nearestAngle(this, forgeDirs.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: ForgeDirection) : this(dir.offsetX, dir.offsetY, dir.offsetZ)
+    constructor(offset: Pair<Int, ForgeDirection>) : this(
+        offset.first * offset.second.offsetX,
+        offset.first * offset.second.offsetY,
+        offset.first * offset.second.offsetZ
+    )
+    companion object {
+        val zero = Int3(0, 0, 0)
+    }
+
+    // immutable operations
+    operator fun plus(other: Int3) = Int3(x + other.x, y + other.y, z + other.z)
+    operator fun plus(other: Pair<Int, ForgeDirection>) = Int3(
+        x + other.first * other.second.offsetX,
+        y + other.first * other.second.offsetY,
+        z + other.first * other.second.offsetZ
+    )
+    operator fun unaryMinus() = Int3(-x, -y, -z)
+    operator fun minus(other: Int3) = Int3(x - other.x, y - other.y, z - other.z)
+    operator fun times(scale: Int) = Int3(x * scale, y * scale, z * scale)
+    operator fun times(other: Int3) = Int3(x * other.x, y * other.y, z * other.z)
+
+    /** Rotate this vector, and return coordinates in the unrotated frame */
+    fun rotate(rot: Rotation) = Int3(
+        rot.rotatedComponent(EAST, x, y, z),
+        rot.rotatedComponent(UP, x, y, z),
+        rot.rotatedComponent(SOUTH, x, y, z)
+    )
+
+    // mutable operations
+    fun setTo(other: Int3): Int3 { x = other.x; y = other.y; z = other.z; return this }
+    fun setTo(x: Int, y: Int, z: Int): Int3 { this.x = x; this.y = y; this.z = z; return this }
+    fun add(other: Int3): Int3 { x += other.x; y += other.y; z += other.z; return this }
+    fun sub(other: Int3): Int3 { x -= other.x; y -= other.y; z -= other.z; return this }
+    fun invert(): Int3 { x = -x; y = -y; z = -z; return this }
+    fun mul(scale: Int): Int3 { x *= scale; y *= scale; z *= scale; return this }
+    fun mul(other: Int3): Int3 { x *= other.x; y *= other.y; z *= other.z; return this }
+    fun rotateMut(rot: Rotation): Int3 {
+        val rotX = rot.rotatedComponent(EAST, x, y, z)
+        val rotY = rot.rotatedComponent(UP, x, y, z)
+        val rotZ = rot.rotatedComponent(SOUTH, x, y, z)
+        return setTo(rotX, rotY, rotZ)
+    }
+}
+
+// ================================
+// Rotation
+// ================================
+val ForgeDirection.rotations: Array<ForgeDirection> get() =
+    Array(6) { idx -> ForgeDirection.values()[ForgeDirection.ROTATION_MATRIX[ordinal][idx]] }
+fun ForgeDirection.rotate(rot: Rotation) = rot.forward[ordinal]
+fun rot(axis: ForgeDirection) = 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<ForgeDirection>, val reverse: Array<ForgeDirection>) {
+    operator fun plus(other: Rotation) = Rotation(
+        Array(6) { idx -> forward[other.forward[idx].ordinal] },
+        Array(6) { idx -> other.reverse[reverse[idx].ordinal] }
+    )
+    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: ForgeDirection, 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: ForgeDirection, 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)
+    }
+
+}
+
+// ================================
+// Miscellaneous
+// ================================
+/** 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 } }
+
+/**
+ * Get the closest object to the specified point from a list of objects.
+ *
+ * @param[vertex] the reference point
+ * @param[objs] list of geomertric objects
+ * @param[objPos] lambda to calculate the position of an object
+ * @return [Pair] of (object, distance)
+ */
+fun <T> nearestPosition(vertex: Double3, objs: Iterable<T>, objPos: (T)->Double3): Pair<T, Double>  =
+        objs.map { it to (objPos(it) - vertex).length }.minBy { it.second }!!
+
+/**
+ * Get the object closest in orientation to the specified vector from a list of objects.
+ *
+ * @param[vector] the reference vector (direction)
+ * @param[objs] list of geomertric objects
+ * @param[objAngle] lambda to calculate the orientation of an object
+ * @return [Pair] of (object, normalized dot product)
+ */
+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<ForgeDirection, ForgeDirection>,
+                       val topRight: Pair<ForgeDirection, ForgeDirection>,
+                       val bottomLeft: Pair<ForgeDirection, ForgeDirection>,
+                       val bottomRight: Pair<ForgeDirection, ForgeDirection>) {
+    constructor(top: ForgeDirection, left: ForgeDirection) :
+    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)
+    else -> FaceCorners(UNKNOWN, UNKNOWN)
+}}
+
diff --git a/src/main/kotlin/mods/octarinecore/client/render/Model.kt b/src/main/kotlin/mods/octarinecore/client/render/Model.kt
new file mode 100644
index 0000000..7a07377
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/Model.kt
@@ -0,0 +1,138 @@
+package mods.octarinecore.client.render
+
+import mods.octarinecore.minmax
+import mods.octarinecore.replace
+import net.minecraftforge.common.util.ForgeDirection
+import java.lang.Math.*
+
+/**
+ * Vertex UV coordinates
+ *
+ * Zero-centered: coordinates fall between (-0.5, 0.5) (inclusive)
+ */
+data class UV(val u: Double, val v: Double) {
+    companion object {
+        val topLeft = UV(-0.5, -0.5)
+        val topRight = UV(0.5, -0.5)
+        val bottomLeft = UV(-0.5, 0.5)
+        val bottomRight = UV(0.5, 0.5)
+    }
+
+    val rotate: UV get() = UV(v, -u)
+
+    fun rotate(n: Int) = when(n % 4) {
+        0 -> copy()
+        1 -> UV(v, -u)
+        2 -> UV(-u, -v)
+        else -> UV(-v, u)
+    }
+
+    fun clamp(minU: Double = -0.5, maxU: Double = 0.5, minV: Double = -0.5, maxV: Double = 0.5) =
+        UV(u.minmax(minU, maxU), v.minmax(minV, maxV))
+
+    fun mirror(mirrorU: Boolean, mirrorV: Boolean) = UV(if (mirrorU) -u else u, if (mirrorV) -v else v)
+}
+
+/**
+ * Model vertex
+ *
+ * @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
+ */
+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)
+
+/**
+ * Model quad
+ */
+data class Quad(val v1: Vertex, val v2: Vertex, val v3: Vertex, val v4: Vertex) {
+    val verts = arrayOf(v1, v2, v3, v4)
+    inline fun transformV(trans: (Vertex)->Vertex): Quad = transformVI { vertex, idx -> trans(vertex) }
+    inline fun transformVI(trans: (Vertex, Int)->Vertex): Quad =
+            Quad(trans(v1, 0), trans(v2, 1), trans(v3, 2), trans(v4, 3))
+    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, ForgeDirection>) = 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)) }
+    fun rotate(rot: Rotation) = transformV {
+        it.copy(xyz = it.xyz.rotate(rot), aoShader = it.aoShader.rotate(rot), flatShader = it.flatShader.rotate(rot))
+    }
+    fun rotateUV(n: Int) = transformV { it.copy(uv = it.uv.rotate(n)) }
+    fun clampUV(minU: Double = -0.5, maxU: Double = 0.5, minV: Double = -0.5, maxV: Double = 0.5) =
+        transformV { it.copy(uv = it.uv.clamp(minU, maxU, minV, maxV)) }
+    fun mirrorUV(mirrorU: Boolean, mirrorV: Boolean) = transformV { it.copy(uv = it.uv.mirror(mirrorU, mirrorV)) }
+    fun setAoShader(resolver: (Quad, Vertex)->Shader, predicate: (Vertex, Int)->Boolean = { v, vi -> true }) =
+        transformVI { vertex, idx ->
+            if (!predicate(vertex, idx)) vertex else vertex.copy(aoShader = resolver(this@Quad, vertex))
+        }
+    fun setFlatShader(resolver: (Quad, Vertex)->Shader, predicate: (Vertex, Int)->Boolean = { v, vi -> true }) =
+        transformVI { vertex, idx ->
+            if (!predicate(vertex, idx)) vertex else vertex.copy(flatShader = resolver(this@Quad, vertex))
+        }
+    fun setFlatShader(shader: Shader) = transformVI { vertex, idx -> vertex.copy(flatShader = shader) }
+    val flipped: Quad get() = Quad(v4, v3, v2, v1)
+
+}
+
+/**
+ * Model. The basic unit of rendering blocks with OctarineCore.
+ *
+ * The model should be positioned so that (0,0,0) is the block center.
+ * The block extends to (-0.5, 0.5) in all directions (inclusive).
+ */
+class Model() {
+    constructor(other: List<Quad>) : this() { quads.addAll(other) }
+    val quads = linkedListOf<Quad>()
+
+    fun Quad.add() = quads.add(this)
+    fun Iterable<Quad>.addAll() = forEach { quads.add(it) }
+
+    fun transformQ(trans: (Quad)->Quad) = quads.replace(trans)
+    fun transformV(trans: (Vertex)->Vertex) = quads.replace{ it.transformV(trans) }
+
+    fun verticalRectangle(x1: Double, z1: Double, x2: Double, z2: Double, yBottom: Double, yTop: Double) = Quad(
+            Vertex(Double3(x1, yBottom, z1), UV.bottomLeft),
+            Vertex(Double3(x2, yBottom, z2), UV.bottomRight),
+            Vertex(Double3(x2, yTop, z2), UV.topRight),
+            Vertex(Double3(x1, yTop, z1), UV.topLeft)
+    )
+
+    fun horizontalRectangle(x1: Double, z1: Double, x2: Double, z2: Double, y: Double): Quad {
+        val xMin = min(x1, x2); val xMax = max(x1, x2)
+        val zMin = min(z1, z2); val zMax = max(z1, z2)
+        return Quad(
+            Vertex(Double3(xMin, y, zMin), UV.topLeft),
+            Vertex(Double3(xMin, y, zMax), UV.bottomLeft),
+            Vertex(Double3(xMax, y, zMax), UV.bottomRight),
+            Vertex(Double3(xMax, y, zMin), UV.topRight)
+        )
+    }
+
+    fun faceQuad(face: ForgeDirection): 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
+        return Quad(
+                Vertex(base + top + left, UV.topLeft),
+                Vertex(base - top + left, UV.bottomLeft),
+                Vertex(base - top - left, UV.bottomRight),
+                Vertex(base + top - left, UV.topRight)
+        )
+    }
+}
+
+val fullCube = Model().apply {
+    forgeDirs.forEach {
+        faceQuad(it)
+        .setAoShader(faceOrientedAuto(corner = cornerAo(it.axis), edge = null))
+        .setFlatShader(faceOrientedAuto(corner = cornerFlat, edge = null))
+        .add()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt b/src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt
new file mode 100644
index 0000000..509030f
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/ModelRenderer.kt
@@ -0,0 +1,138 @@
+package mods.octarinecore.client.render
+
+import net.minecraft.client.Minecraft
+import net.minecraft.client.renderer.Tessellator
+import net.minecraft.util.IIcon
+import net.minecraftforge.common.util.ForgeDirection
+import net.minecraftforge.common.util.ForgeDirection.*
+
+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]
+     */
+    inline fun render(
+        model: Model,
+        rot: Rotation,
+        trans: Double3 = blockContext.blockCenter,
+        forceFlat: Boolean = false,
+        icon: (ShadingContext, Int, Quad) -> IIcon,
+        rotateUV: (Quad) -> Int,
+        postProcess: RenderVertex.(ShadingContext, Int, Quad, Int, Vertex) -> Unit
+    ) {
+        rotation = rot
+        aoEnabled = Minecraft.isAmbientOcclusionEnabled()
+
+        model.quads.forEachIndexed { quadIdx, quad ->
+            val drawIcon = icon(this, quadIdx, quad)
+            val uvRot = rotateUV(quad)
+            quad.verts.forEachIndexed { vertIdx, vert ->
+                temp.init(vert)
+                temp.rotate(rotation).translate(trans).rotateUV(uvRot).setIcon(drawIcon)
+                val shader = if (aoEnabled && !forceFlat) vert.aoShader else vert.flatShader
+                shader.shade(this, temp)
+                temp.postProcess(this, quadIdx, quad, vertIdx, vert)
+                Tessellator.instance.apply {
+                    setBrightness(temp.brightness)
+                    setColorOpaque_F(temp.red, temp.green, temp.blue)
+                    addVertexWithUV(temp.x, temp.y, temp.z, temp.u, temp.v)
+                }
+            }
+        }
+    }
+}
+
+/**
+ * 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()
+
+    fun aoShading(face: ForgeDirection, corner1: ForgeDirection, corner2: ForgeDirection) =
+        renderBlocks.capture.aoShading(face.rotate(rotation), corner1.rotate(rotation), corner2.rotate(rotation))
+
+    fun blockColor(offset: Int3) = blockContext.blockColor(offset.rotate(rotation))
+    fun blockBrightness(offset: Int3) = blockContext.blockBrightness(offset.rotate(rotation))
+    fun icon(face: ForgeDirection) = blockContext.icon(face.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
+
+    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 setIcon(icon: IIcon): 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
+    }
+}
+
+/** Perform no post-processing */
+val noPost: RenderVertex.(ShadingContext, Int, Quad, Int, Vertex) -> Unit = { ctx, qi, q, vi, v -> }
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/OffsetBlockAccess.kt b/src/main/kotlin/mods/octarinecore/client/render/OffsetBlockAccess.kt
new file mode 100644
index 0000000..c0581aa
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/OffsetBlockAccess.kt
@@ -0,0 +1,68 @@
+package mods.octarinecore.client.render
+
+import mods.octarinecore.minmax
+import net.minecraft.world.IBlockAccess
+import net.minecraftforge.common.util.ForgeDirection
+
+/**
+ * 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
+ * @param[xModded] x coordinate of the _modified_ location
+ * @param[yModded] y coordinate of the _modified_ location
+ * @param[zModded] z coordinate of the _modified_ location
+ * @param[xTarget] x coordinate of the _target_ location
+ * @param[yTarget] y coordinate of the _target_ location
+ * @param[zTarget] z coordinate of the _target_ location
+ */
+class OffsetBlockAccess(val original: IBlockAccess,
+                        @JvmField val xModded: Int, @JvmField val yModded: Int, @JvmField val zModded: Int,
+                        @JvmField val xTarget: Int, @JvmField val yTarget: Int, @JvmField val zTarget: Int) : IBlockAccess {
+
+    inline fun <reified T> withOffset(x: Int, y: Int, z: Int, func: (Int,Int,Int)->T): T {
+        if (x == xModded && y == yModded && z == zModded) {
+            return func(xTarget, yTarget, zTarget)
+        } else {
+            return func(x, y, z)
+        }
+    }
+
+    override fun getBlock(x: Int, y: Int, z: Int) = withOffset(x, y, z)
+        { xAct, yAct, zAct -> original.getBlock(xAct, yAct, zAct) }
+    override fun getBlockMetadata(x: Int, y: Int, z: Int) = withOffset(x, y, z)
+        { xAct, yAct, zAct -> original.getBlockMetadata(xAct, yAct, zAct) }
+    override fun getTileEntity(x: Int, y: Int, z: Int) = withOffset(x, y, z)
+        { xAct, yAct, zAct -> original.getTileEntity(xAct, yAct, zAct) }
+    override fun isSideSolid(x: Int, y: Int, z: Int, side: ForgeDirection?, _default: Boolean) = withOffset(x, y, z)
+        { xAct, yAct, zAct -> original.isSideSolid(xAct, yAct, zAct, side, _default) }
+    override fun isAirBlock(x: Int, y: Int, z: Int) = withOffset(x, y, z)
+        { xAct, yAct, zAct -> original.isAirBlock(xAct, yAct, zAct) }
+    override fun getLightBrightnessForSkyBlocks(x: Int, y: Int, z: Int, side: Int) = withOffset(x, y, z)
+        { xAct, yAct, zAct -> original.getLightBrightnessForSkyBlocks(xAct, yAct, zAct, side) }
+    override fun isBlockProvidingPowerTo(x: Int, y: Int, z: Int, side: Int) = withOffset(x, y, z)
+        { xAct, yAct, zAct -> original.isBlockProvidingPowerTo(xAct, yAct, zAct, side) }
+    override fun getBiomeGenForCoords(x: Int, z: Int) = withOffset(x, 0, z)
+        { xAct, yAct, zAct -> original.getBiomeGenForCoords(xAct, zAct) }
+
+    override fun getHeight() = original.height
+    override fun extendedLevelsInChunkCache() = original.extendedLevelsInChunkCache()
+}
+
+/**
+ * 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, x + modded.x, y + modded.y, z + modded.z, x + target.x, y + target.y, z + target.z)
+    renderBlocks.blockAccess = world
+    val result = func()
+    world = original
+    renderBlocks.blockAccess = original
+    return result
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/PixelFormat.kt b/src/main/kotlin/mods/octarinecore/client/render/PixelFormat.kt
new file mode 100644
index 0000000..bc4e58a
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/PixelFormat.kt
@@ -0,0 +1,56 @@
+@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
+}
+
+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)
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/RenderBlocks.kt b/src/main/kotlin/mods/octarinecore/client/render/RenderBlocks.kt
new file mode 100644
index 0000000..22cfb43
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/RenderBlocks.kt
@@ -0,0 +1,147 @@
+package mods.octarinecore.client.render
+
+import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler
+import cpw.mods.fml.client.registry.RenderingRegistry
+import mods.octarinecore.metaprog.reflectField
+import mods.octarinecore.metaprog.reflectStaticField
+import net.minecraft.block.Block
+import net.minecraft.client.renderer.RenderBlocks
+import net.minecraft.util.IIcon
+import net.minecraftforge.common.util.ForgeDirection
+import net.minecraftforge.common.util.ForgeDirection.*
+
+/** Reference to the handler list in Forge [RenderingRegistry]. */
+val renderingHandlers: Map<Int, ISimpleBlockRenderingHandler> = RenderingRegistry::class.java
+    .reflectStaticField<RenderingRegistry>("INSTANCE")!!
+    .reflectField<Map<Int, ISimpleBlockRenderingHandler>>("blockRenderers")!!
+
+/**
+ * Used instead of the vanilla [RenderBlocks] to get to the AO values and textures used in rendering
+ * without duplicating vanilla code.
+ */
+class ExtendedRenderBlocks : RenderBlocks() {
+
+    /** Captures the AO values and textures used in a specific rendering pass when rendering a block. */
+    val capture = ShadingCapture()
+
+    override fun renderFaceXPos(block: Block?, x: Double, y: Double, z: Double, icon: IIcon?) = renderFace(EAST, block, x, y, z, icon)
+    override fun renderFaceXNeg(block: Block?, x: Double, y: Double, z: Double, icon: IIcon?) = renderFace(WEST, block, x, y, z, icon)
+    override fun renderFaceYPos(block: Block?, x: Double, y: Double, z: Double, icon: IIcon?) = renderFace(UP, block, x, y, z, icon)
+    override fun renderFaceYNeg(block: Block?, x: Double, y: Double, z: Double, icon: IIcon?) = renderFace(DOWN, block, x, y, z, icon)
+    override fun renderFaceZPos(block: Block?, x: Double, y: Double, z: Double, icon: IIcon?) = renderFace(SOUTH, block, x, y, z, icon)
+    override fun renderFaceZNeg(block: Block?, x: Double, y: Double, z: Double, icon: IIcon?) = renderFace(NORTH, block, x, y, z, icon)
+
+    /**
+     * Render a block face, saving relevant data if appropriate.
+     */
+    @Suppress("NON_EXHAUSTIVE_WHEN")
+    fun renderFace(face: ForgeDirection, block: Block?, x: Double, y: Double, z: Double, icon: IIcon?) {
+        if (capture.isCorrectPass(face)) {
+            saveAllShading(face); capture.icons[face.ordinal] = icon
+        }
+        if (capture.renderCallback(capture, face, capture.passes[face.ordinal], icon)) when (face) {
+            EAST -> super.renderFaceXPos(block, x, y, z, icon)
+            WEST -> super.renderFaceXNeg(block, x, y, z, icon)
+            UP -> super.renderFaceYPos(block, x, y, z, icon)
+            DOWN -> super.renderFaceYNeg(block, x, y, z, icon)
+            SOUTH -> super.renderFaceZPos(block, x, y, z, icon)
+            NORTH -> super.renderFaceZNeg(block, x, y, z, icon)
+        }
+    }
+
+    fun saveTopLeft(face: ForgeDirection, corner: Pair<ForgeDirection, ForgeDirection>) =
+        capture.aoShading(face, corner.first, corner.second)
+            .set(brightnessTopLeft, colorRedTopLeft, colorGreenTopLeft, colorBlueTopLeft)
+
+    fun saveTopRight(face: ForgeDirection, corner: Pair<ForgeDirection, ForgeDirection>) =
+        capture.aoShading(face, corner.first, corner.second)
+            .set(brightnessTopRight, colorRedTopRight, colorGreenTopRight, colorBlueTopRight)
+
+    fun saveBottomLeft(face: ForgeDirection, corner: Pair<ForgeDirection, ForgeDirection>) =
+        capture.aoShading(face, corner.first, corner.second)
+            .set(brightnessBottomLeft, colorRedBottomLeft, colorGreenBottomLeft, colorBlueBottomLeft)
+
+    fun saveBottomRight(face: ForgeDirection, corner: Pair<ForgeDirection, ForgeDirection>) =
+        capture.aoShading(face, corner.first, corner.second)
+            .set(brightnessBottomRight, colorRedBottomRight, colorGreenBottomRight, colorBlueBottomRight)
+
+    fun saveAllShading(face: ForgeDirection) {
+        saveTopLeft(face, faceCorners[face.ordinal].topLeft)
+        saveTopRight(face, faceCorners[face.ordinal].topRight)
+        saveBottomLeft(face, faceCorners[face.ordinal].bottomLeft)
+        saveBottomRight(face, faceCorners[face.ordinal].bottomRight)
+    }
+}
+
+/**
+ * Captures the AO values and textures used in a specific rendering pass when rendering a block.
+ */
+class ShadingCapture {
+    /** Sparse array of stored AO data. */
+    val aoShadings = arrayOfNulls<AoData>(6 * 6 * 6)
+
+    /** List of stored AO data (only valid instances). */
+    var shadingsList = listOf<AoData>()
+
+    /** List of stored texture data. */
+    val icons = arrayOfNulls<IIcon>(6)
+
+    /** Number of passes to go on a given face. */
+    val passes = Array(6) { 0 }
+
+    /** lambda to determine which faces to render. */
+    var renderCallback = alwaysRender
+
+    init {
+        (0..5).forEach { i1 ->
+            (0..5).forEach { i2 ->
+                (i2..5).forEach { i3 ->
+                    aoShadings[cornerId(i1, i2, i3)] = AoData()
+                }
+            }
+        }
+        shadingsList = aoShadings.filterNotNull()
+    }
+
+    /**
+     * Get the AO data of a specific corner.
+     *
+     * The two corner directions are interchangeable. All 3 parameters must lie on different axes.
+     *
+     * @param[face] block face
+     * @param[corner1] first direction of corner on face
+     * @param[corner2] second direction of corner on face
+     */
+    fun aoShading(face: ForgeDirection, corner1: ForgeDirection, corner2: ForgeDirection) =
+        aoShadings[cornerId(face, corner1, corner2)]!!
+
+    /** Returns true if the AO and texture data should be saved. Mutates state. */
+    fun isCorrectPass(face: ForgeDirection) = (passes[face.ordinal]-- > 0)
+
+    /**
+     * Reset all data and pass counters.
+     *
+     * @param[targetPass] which render pass to save
+     */
+    fun reset(targetPass: Int) {
+        shadingsList.forEach { it.reset() }
+        (0..5).forEach { idx -> icons[idx] = null; passes[idx] = targetPass }
+    }
+
+    /** One-dimensional index of a specific corner. */
+    protected fun cornerId(face: Int, corner1: Int, corner2: Int) = when (corner2 > corner1) {
+        true -> 36 * face + 6 * corner1 + corner2
+        false -> 36 * face + 6 * corner2 + corner1
+    }
+
+    /** One-dimensional index of a specific corner. */
+    protected fun cornerId(face: ForgeDirection, corner1: ForgeDirection, corner2: ForgeDirection) =
+        cornerId(face.ordinal, corner1.ordinal, corner2.ordinal)
+}
+
+/** Lambda to render all faces of a block */
+val alwaysRender: (ShadingCapture, ForgeDirection, Int, IIcon?) -> Boolean = { ctx, face, pass, icon -> true }
+
+/** Lambda to render no faces of a block */
+val neverRender: (ShadingCapture, ForgeDirection, Int, IIcon?) -> Boolean = { ctx, face, pass, icon -> false }
+
diff --git a/src/main/kotlin/mods/octarinecore/client/render/Shaders.kt b/src/main/kotlin/mods/octarinecore/client/render/Shaders.kt
new file mode 100644
index 0000000..d08eea9
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/Shaders.kt
@@ -0,0 +1,148 @@
+package mods.octarinecore.client.render
+
+import net.minecraftforge.common.util.ForgeDirection
+
+const val defaultCornerDimming = 0.5f
+const val defaultEdgeDimming = 0.8f
+
+// ================================
+// Resolvers for automatic shading
+// ================================
+fun cornerAo(fallbackAxis: Axis): (ForgeDirection, ForgeDirection, ForgeDirection)->Shader = { face, dir1, dir2 ->
+    val fallbackDir = listOf(face, dir1, dir2).find { it.axis == fallbackAxis }!!
+    CornerSingleFallback(face, dir1, dir2, fallbackDir)
+}
+val cornerFlat = { face: ForgeDirection, dir1: ForgeDirection, dir2: ForgeDirection -> FaceFlat(face) }
+fun cornerAoTri(func: (AoData, AoData)-> AoData) = { face: ForgeDirection, dir1: ForgeDirection, dir2: ForgeDirection ->
+    CornerTri(face, dir1, dir2, func)
+}
+val cornerAoMaxGreen = cornerAoTri { s1, s2 -> if (s1.green > s2.green) s1 else s2 }
+
+fun cornerInterpolate(edgeAxis: Axis, weight: Float, dimming: Float): (ForgeDirection, ForgeDirection, ForgeDirection)->Shader = { 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: ForgeDirection, val dir1: ForgeDirection, val dir2: ForgeDirection, val fallbackDir: ForgeDirection, 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
+            vertex.shade(context.blockBrightness(offset) brMul fallbackDimming, context.blockColor(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: 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: ForgeDirection, val dir1: ForgeDirection, val dir2: ForgeDirection,
+                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: ForgeDirection, val edgeDir: ForgeDirection, 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 Dir.P).face)
+        val shadingN = context.aoShading(face, edgeDir, (edgeAxis to Dir.N).face)
+        if (!shadingP.valid && !shadingN.valid)
+            return vertex.shade(context.blockBrightness(offset) brMul fallbackDimming, context.blockColor(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: ForgeDirection, val face2: ForgeDirection, val edgeDir: ForgeDirection,
+                               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)
+            return vertex.shade(context.blockBrightness(offset) brMul fallbackDimming, context.blockColor(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: ForgeDirection): 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: ForgeDirection): Shader {
+    override fun shade(context: ShadingContext, vertex: RenderVertex) {
+        val color = context.blockColor(Int3.zero)
+        vertex.shade(context.blockBrightness(face.offset), color)
+    }
+    override fun rotate(rot: Rotation): Shader = FaceFlat(face.rotate(rot))
+}
+
+class FlatOffset(val offset: Int3): Shader {
+    override fun shade(context: ShadingContext, vertex: RenderVertex)  {
+        vertex.brightness = context.blockBrightness(offset)
+        vertex.setColor(context.blockColor(offset))
+    }
+    override fun rotate(rot: Rotation): Shader = this
+}
+
+class FlatOffsetNoColor(val offset: Int3): Shader {
+    override fun shade(context: ShadingContext, vertex: RenderVertex)  {
+        vertex.brightness = context.blockBrightness(offset)
+        vertex.red = 1.0f; vertex.green = 1.0f; vertex.blue = 1.0f
+    }
+    override fun rotate(rot: Rotation): Shader = this
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/render/Shading.kt b/src/main/kotlin/mods/octarinecore/client/render/Shading.kt
new file mode 100644
index 0000000..568bdf1
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/render/Shading.kt
@@ -0,0 +1,131 @@
+package mods.octarinecore.client.render
+
+import net.minecraftforge.common.util.ForgeDirection
+import java.lang.Math.*
+
+/** 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
+    }
+
+    companion object {
+        val black = AoData();
+    }
+}
+
+/**
+ * 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 = brSum(null, shading1.brightness brMul weight1, shading2.brightness brMul 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: ForgeDirection? = null,
+                     corner: ((ForgeDirection, ForgeDirection, ForgeDirection)->Shader)? = null,
+                     edge: ((ForgeDirection, ForgeDirection)->Shader)? = 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<ForgeDirection, ForgeDirection>? = null,
+                     corner: (ForgeDirection, ForgeDirection, ForgeDirection)->Shader) =
+    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: ForgeDirection? = 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 Dir.P).face)
+            val pos = vertex.xyz.dot(vec)
+            EdgeInterpolateFallback(face, edgeDir, pos)
+        })
+        return resolver(quad, vertex)
+    }
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/resource/CenteringTextureGenerator.kt b/src/main/kotlin/mods/octarinecore/client/resource/CenteringTextureGenerator.kt
new file mode 100644
index 0000000..623e0b9
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/resource/CenteringTextureGenerator.kt
@@ -0,0 +1,33 @@
+package mods.octarinecore.client.resource
+
+import java.awt.image.BufferedImage
+import java.lang.Math.*
+
+class CenteringTextureGenerator(domain: String, val aspectWidth: Int, val aspectHeight: Int) : TextureGenerator(domain) {
+
+    override fun generate(params: ParameterList): BufferedImage? {
+        val target = targetResource(params)!!
+        val baseTexture = resourceManager[target.second]?.loadImage() ?: return null
+
+        val frameWidth = baseTexture.width
+        val frameHeight = baseTexture.width * aspectHeight / aspectWidth
+        val frames = baseTexture.height / frameHeight
+        val size = max(frameWidth, frameHeight)
+
+        val resultTexture = BufferedImage(size, size * frames, BufferedImage.TYPE_4BYTE_ABGR)
+        val graphics = resultTexture.createGraphics()
+
+        // iterate all frames
+        for (frame in 0 .. frames - 1) {
+            val baseFrame = baseTexture.getSubimage(0, size * frame, frameWidth, frameHeight)
+            val resultFrame = BufferedImage(size, size, BufferedImage.TYPE_4BYTE_ABGR)
+
+            resultFrame.createGraphics().apply {
+                drawImage(baseFrame, (size - frameWidth) / 2, (size - frameHeight) / 2, null)
+            }
+            graphics.drawImage(resultFrame, 0, size * frame, null)
+        }
+
+        return resultTexture
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/resource/ResourceGeneration.kt b/src/main/kotlin/mods/octarinecore/client/resource/ResourceGeneration.kt
new file mode 100644
index 0000000..8941669
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/resource/ResourceGeneration.kt
@@ -0,0 +1,126 @@
+package mods.octarinecore.client.resource
+
+import cpw.mods.fml.client.FMLClientHandler
+import mods.betterfoliage.loader.Refs
+import mods.octarinecore.metaprog.reflectField
+import net.minecraft.client.resources.IResourcePack
+import net.minecraft.client.resources.data.IMetadataSerializer
+import net.minecraft.client.resources.data.PackMetadataSection
+import net.minecraft.util.ChatComponentText
+import net.minecraft.util.ResourceLocation
+import java.io.InputStream
+import java.util.*
+
+/**
+ * [IResourcePack] containing generated resources. Adds itself to the default resource pack list
+ * of Minecraft, so it is invisible and always active.
+ *
+ * @param[name] Name of the resource pack
+ * @param[generators] List of resource generators
+ */
+class GeneratorPack(val name: String, vararg val generators: GeneratorBase) : IResourcePack {
+
+    init {
+        // add to the default resource packs
+        FMLClientHandler.instance().reflectField<MutableList<IResourcePack>>("resourcePackList")!!.add(this)
+    }
+
+    override fun getPackName() = name
+    override fun getPackImage() = null
+    override fun getResourceDomains() = HashSet(generators.map { it.domain })
+    override fun getPackMetadata(serializer: IMetadataSerializer?, type: String?) =
+            if (type == "pack") PackMetadataSection(ChatComponentText("Generated resources"), 1) else null
+
+    override fun resourceExists(location: ResourceLocation?): Boolean =
+            if (location == null) false
+            else generators.find {
+                it.domain == location.resourceDomain && it.resourceExists(location)
+            } != null
+
+    override fun getInputStream(location: ResourceLocation?): InputStream? =
+            if (location == null) null
+            else generators.filter {
+                it.domain == location.resourceDomain && it.resourceExists(location)
+            }.map { it.getInputStream(location) }
+            .filterNotNull().first()
+
+    operator fun get(location: ResourceLocation?) = getInputStream(location)
+}
+
+/**
+ * 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
+            }
+            return ParameterList(params, value)
+        }
+
+    }
+}
+
+/**
+ * [GeneratorBase] returning parametrized generated resources.
+ *
+ * @param[domain] Resource domain of generator.
+ */
+abstract class ParameterBasedGenerator(domain: String) : GeneratorBase(domain) {
+    /** @see [IResourcePack.resourceExists] */
+    abstract fun resourceExists(params: ParameterList): Boolean
+
+    /** @see [IResourcePack.getInputStream] */
+    abstract fun getInputStream(params: ParameterList): InputStream?
+
+    override fun resourceExists(location: ResourceLocation?) =
+            resourceExists(ParameterList.fromString(location?.resourcePath ?: ""))
+    override fun getInputStream(location: ResourceLocation?) =
+            getInputStream(ParameterList.fromString(location?.resourcePath ?: ""))
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/resource/ResourceHandler.kt b/src/main/kotlin/mods/octarinecore/client/resource/ResourceHandler.kt
new file mode 100644
index 0000000..199ca5d
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/resource/ResourceHandler.kt
@@ -0,0 +1,126 @@
+package mods.octarinecore.client.resource
+
+import cpw.mods.fml.client.event.ConfigChangedEvent
+import cpw.mods.fml.common.FMLCommonHandler
+import cpw.mods.fml.common.eventhandler.SubscribeEvent
+import mods.octarinecore.client.render.Double3
+import mods.octarinecore.client.render.Int3
+import mods.octarinecore.client.render.Model
+import net.minecraft.client.renderer.texture.IIconRegister
+import net.minecraft.util.IIcon
+import net.minecraft.util.MathHelper
+import net.minecraft.util.ResourceLocation
+import net.minecraft.world.World
+import net.minecraft.world.gen.NoiseGeneratorSimplex
+import net.minecraftforge.client.event.TextureStitchEvent
+import net.minecraftforge.common.MinecraftForge
+import net.minecraftforge.event.world.WorldEvent
+import java.util.*
+
+// ============================
+// Resource types
+// ============================
+interface IStitchListener { fun onStitch(atlas: IIconRegister) }
+interface IConfigChangeListener { fun onConfigChange() }
+interface IWorldLoadListener { fun onWorldLoad(world: World) }
+
+/**
+ * Base class for declarative resource handling.
+ *
+ * Resources are automatically reloaded/recalculated when the appropriate events are fired.
+ *
+ * @param[modId] mod ID associated with this handler (used to filter config change events)
+ */
+open class ResourceHandler(val modId: String) {
+
+    val resources = linkedListOf<Any>()
+    open fun afterStitch() {}
+
+    // ============================
+    // Self-registration
+    // ============================
+    init {
+        MinecraftForge.EVENT_BUS.register(this)
+        FMLCommonHandler.instance().bus().register(this)
+    }
+
+    // ============================
+    // Resource declarations
+    // ============================
+    fun iconStatic(domain: String, path: String) = IconHolder(domain, path).apply { resources.add(this) }
+    fun iconStatic(location: ResourceLocation) = iconStatic(location.resourceDomain, location.resourcePath)
+    fun iconSet(domain: String, pathPattern: String) = IconSet(domain, pathPattern).apply { resources.add(this) }
+    fun iconSet(location: ResourceLocation) = iconSet(location.resourceDomain, location.resourcePath)
+    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) }
+    fun simplexNoise() = SimplexNoise().apply { resources.add(this) }
+
+    // ============================
+    // Event registration
+    // ============================
+    @SubscribeEvent
+    fun onStitch(event: TextureStitchEvent.Pre) {
+        if (event.map.textureType == 0) {
+            resources.forEach { (it as? IStitchListener)?.onStitch(event.map) }
+            afterStitch()
+        }
+    }
+
+    @SubscribeEvent
+    fun handleConfigChange(event: ConfigChangedEvent.OnConfigChangedEvent) {
+        if (event.modID == modId) resources.forEach { (it as? IConfigChangeListener)?.onConfigChange() }
+    }
+
+    @SubscribeEvent
+    fun handleWorldLoad(event: WorldEvent.Load) =
+        resources.forEach { (it as? IWorldLoadListener)?.onWorldLoad(event.world) }
+}
+
+// ============================
+// Resource container classes
+// ============================
+class IconHolder(val domain: String, val name: String) : IStitchListener {
+    var icon: IIcon? = null
+    override fun onStitch(atlas: IIconRegister) { icon = atlas.registerIcon("$domain:$name") }
+}
+
+class ModelHolder(val init: Model.()->Unit): IConfigChangeListener {
+    var model: Model = Model().apply(init)
+    override fun onConfigChange() { model = Model().apply(init) }
+}
+
+class IconSet(val domain: String, val namePattern: String) : IStitchListener {
+    val icons = arrayOfNulls<IIcon>(16)
+    var num = 0
+
+    override fun onStitch(atlas: IIconRegister) {
+        num = 0;
+        (0..15).forEach { idx ->
+            val locReal = ResourceLocation(domain, "textures/blocks/${namePattern.format(idx)}.png")
+            if (resourceManager[locReal] != null) icons[num++] = atlas.registerIcon("$domain:${namePattern.format(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) } }
+    override fun onConfigChange() { (0..num-1).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) }
+    override fun onConfigChange() { (0..num-1).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))
+    }
+    operator fun get(x: Int, z: Int) = MathHelper.floor_double((noise.func_151605_a(x.toDouble(), z.toDouble()) + 1.0) * 32.0)
+    operator fun get(pos: Int3) = get(pos.x, pos.z)
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/resource/TextureGenerator.kt b/src/main/kotlin/mods/octarinecore/client/resource/TextureGenerator.kt
new file mode 100644
index 0000000..b4c9ef3
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/resource/TextureGenerator.kt
@@ -0,0 +1,88 @@
+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.resourceDomain, "path" to it.resourcePath) +
+                    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 = linkedListOf<Int>()
+        while(size > 2) { sizes.add(size); size /= 2 }
+        return sizes.map { resourceManager[maskPath(it)] }.filterNotNull().firstOrNull()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/client/resource/Utils.kt b/src/main/kotlin/mods/octarinecore/client/resource/Utils.kt
new file mode 100644
index 0000000..97ca2d5
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/client/resource/Utils.kt
@@ -0,0 +1,90 @@
+@file:JvmName("Utils")
+package mods.octarinecore.client.resource
+
+import mods.octarinecore.PI2
+import mods.octarinecore.client.render.HSB
+import mods.octarinecore.tryDefault
+import net.minecraft.client.Minecraft
+import net.minecraft.client.renderer.texture.TextureAtlasSprite
+import net.minecraft.client.resources.IResource
+import net.minecraft.client.resources.IResourceManager
+import net.minecraft.client.resources.SimpleReloadableResourceManager
+import net.minecraft.util.ResourceLocation
+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
+
+/** Concise getter for the Minecraft resource manager. */
+val resourceManager: SimpleReloadableResourceManager get() = Minecraft.getMinecraft().resourceManager as SimpleReloadableResourceManager
+
+/** Append a string to the [ResourceLocation]'s path. */
+operator fun ResourceLocation.plus(str: String) = ResourceLocation(resourceDomain, resourcePath + str)
+
+/** Index operator to get a resource. */
+operator fun IResourceManager.get(domain: String, path: String): IResource? = get(ResourceLocation(domain, path))
+/** Index operator to get a resource. */
+operator fun IResourceManager.get(location: ResourceLocation): IResource? = tryDefault(null) { getResource(location) }
+
+/** Load an image resource. */
+fun IResource.loadImage() = ImageIO.read(this.inputStream)
+
+/** Get the lines of a text resource. */
+fun IResource.getLines(): List<String> {
+    val result = arrayListOf<String>()
+    inputStream.bufferedReader().useLines { it.forEach { result.add(it) } }
+    return result
+}
+
+/** Index operator to get the RGB value of a pixel. */
+operator fun BufferedImage.get(x: Int, y: Int) = this.getRGB(x, y)
+/** Index operator to set the RGB value of a pixel. */
+operator fun BufferedImage.set(x: Int, y: Int, value: Int) = this.setRGB(x, y, value)
+
+/** 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() })
+
+/**
+ * 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)
+    val locationWithDirs = ResourceLocation(locationNoDirs.resourceDomain, "textures/blocks/%s.png".format(locationNoDirs.resourcePath))
+    val image = resourceManager[locationWithDirs]?.loadImage() ?: return null
+
+    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]
+            val alpha = (pixel shr 24) and 255
+            val hsb = HSB.fromColor(pixel)
+            if (alpha == 255) {
+                numOpaque++
+                sumHueX += cos((hsb.hue.toDouble() - 0.5) * PI2)
+                sumHueY += sin((hsb.hue.toDouble() - 0.5) * PI2)
+                sumSaturation += hsb.saturation
+                sumBrightness += hsb.brightness
+            }
+        }
+
+    // circular average - transform sum vector to polar angle
+    val avgHue = (atan2(sumHueY.toDouble(), sumHueX.toDouble()) / PI2 + 0.5).toFloat()
+    return HSB(avgHue, sumSaturation / numOpaque.toFloat(), sumBrightness / numOpaque.toFloat()).asColor
+}
+
+/**
+ * Get the actual location of a texture from the name of its [TextureAtlasSprite].
+ */
+fun textureLocation(iconName: String) = ResourceLocation(iconName).let {
+    ResourceLocation(it.resourceDomain, "textures/blocks/${it.resourcePath}")
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/config/DelegatingConfig.kt b/src/main/kotlin/mods/octarinecore/config/DelegatingConfig.kt
new file mode 100644
index 0000000..ab6f89a
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/config/DelegatingConfig.kt
@@ -0,0 +1,232 @@
+package mods.octarinecore.config
+
+import com.google.common.collect.LinkedListMultimap
+import cpw.mods.fml.client.config.GuiConfigEntries
+import cpw.mods.fml.client.config.IConfigElement
+import cpw.mods.fml.client.event.ConfigChangedEvent
+import cpw.mods.fml.common.FMLCommonHandler
+import cpw.mods.fml.common.eventhandler.SubscribeEvent
+import mods.octarinecore.metaprog.reflectField
+import mods.octarinecore.metaprog.reflectFieldsOfType
+import mods.octarinecore.metaprog.reflectNestedObjects
+import net.minecraftforge.common.config.ConfigElement
+import net.minecraftforge.common.config.Configuration
+import net.minecraftforge.common.config.Property
+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) {
+
+    init { FMLCommonHandler.instance().bus().register(this) }
+
+    /** The [Configuration] backing this config object. */
+    var config: Configuration? = null
+    val rootGuiElements = linkedListOf<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.getTypedElement(guiProperty))
+                else subProperties.put(category, guiProperty.name)
+            }
+        }
+        for (category in subProperties.keySet()) {
+            val configCategory = config.getCategory(category)
+            configCategory.setLanguageKey("$langPrefix.$category")
+            configCategory.setPropertyOrder(subProperties[category])
+            rootGuiElements.add(ConfigElement<String>(configCategory))
+        }
+        save()
+    }
+
+    /**
+     * 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)
+            }
+        }
+    }
+
+    /** 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(vararg elements: Any?): 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
+    }
+
+    /** Called when the configuration for the mod changes. */
+    open fun onChange(event: ConfigChangedEvent.OnConfigChangedEvent) {
+        save()
+        forEachProperty { c, n, prop -> prop.read() }
+    }
+
+    @SubscribeEvent
+    fun handleConfigChange(event: ConfigChangedEvent.OnConfigChangedEvent) { if (event.modID == modId) onChange(event) }
+
+    /** 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() {}
+}
+
+/** 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")
+    }
+}
+
+/** [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)
+}
+
+/** [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())
+}
+
+// ============================
+// 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 intList(defaults: ()->Array<Int>) = ConfigPropertyIntList(defaults)
+fun boolean(default: Boolean) = ConfigPropertyBoolean(default)
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/metaprog/Reflection.kt b/src/main/kotlin/mods/octarinecore/metaprog/Reflection.kt
new file mode 100644
index 0000000..3cf4e85
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/metaprog/Reflection.kt
@@ -0,0 +1,166 @@
+@file:JvmName("Reflection")
+package mods.octarinecore.metaprog
+
+import java.lang.reflect.Field
+import java.lang.reflect.Method
+import mods.octarinecore.metaprog.Namespace.*
+import mods.octarinecore.tryDefault
+
+/** Get a Java class with the given name. */
+fun getJavaClass(name: String) = tryDefault(null) { Class.forName(name) }
+
+/** Get the field with the given name and type using reflection. */
+inline fun <reified T> Any.reflectField(field: String): T? =
+    tryDefault(null) { this.javaClass.getDeclaredField(field) }?.let {
+        it.isAccessible = true
+        it.get(this) as T
+    }
+
+/** Get the static field with the given name and type using reflection. */
+inline fun <reified T> Class<*>.reflectStaticField(field: String): T? =
+    tryDefault(null) { this.getDeclaredField(field) }?.let {
+        it.isAccessible = true
+        it.get(null) as T
+    }
+
+/**
+ * Get all nested _object_s of this _object_ with reflection.
+ *
+ * @return [Pair]s of (name, instance)
+ */
+val Any.reflectNestedObjects: List<Pair<String, Any>> get() = this.javaClass.declaredClasses.map {
+    tryDefault(null) { it.name.split("$")[1] to it.getField("INSTANCE").get(null) }
+}.filterNotNull()
+
+/**
+ * Get all fields of this instance that match (or subclass) any of the given classes.
+ *
+ * @param[types] classes to look for
+ * @return [Pair]s of (field name, instance)
+ */
+fun Any.reflectFieldsOfType(vararg types: Class<*>) = this.javaClass.declaredFields
+    .filter { field -> types.any { it.isAssignableFrom(field.type) } }
+    .map { field -> field.name to field.let { it.isAccessible = true; it.get(this) } }
+    .filterNotNull()
+
+enum class Namespace { OBF, SRG, MCP }
+
+abstract class Resolvable<T> {
+    abstract fun resolve(): T?
+    val element: T? by lazy { resolve() }
+}
+
+/** Return true if all given elements are found. */
+fun allAvailable(vararg codeElement: Resolvable<*>) = codeElement.all { it.element != null }
+
+/**
+ * Reference to a class.
+ *
+ * @param[mcpName] MCP name of the class
+ * @param[obfName] obfuscated name of the class
+ */
+open class ClassRef(val mcpName: String, val obfName: String) : Resolvable<Class<*>>() {
+    constructor(mcpName: String) : this(mcpName, mcpName)
+
+    companion object {
+        val int = ClassRefPrimitive("I", Int::class.java)
+        val float = ClassRefPrimitive("F", Float::class.java)
+        val boolean = ClassRefPrimitive("Z", Boolean::class.java)
+        val void = ClassRefPrimitive("V", null)
+    }
+
+    fun name(namespace: Namespace) = if (namespace == Namespace.OBF) obfName else mcpName
+    open fun asmDescriptor(namespace: Namespace) = "L${name(namespace).replace(".", "/")};"
+
+    override fun resolve() = listOf(mcpName, obfName).map { getJavaClass(it) }.filterNotNull().firstOrNull()
+}
+
+/**
+ * Reference to a primitive type.
+ *
+ * @param[name] ASM descriptor of this primitive type
+ * @param[clazz] class of this primitive type
+ */
+class ClassRefPrimitive(name: String, val clazz: Class<*>?) : ClassRef(name) {
+    override fun asmDescriptor(namespace: Namespace) = mcpName
+    override fun resolve() = clazz
+}
+
+/**
+ * Reference to a method.
+ *
+ * @param[parentClass] reference to the class containing the method
+ * @param[mcpName] MCP name of the method
+ * @param[srgName] SRG name of the method
+ * @param[obfName] obfuscated name of the method
+ * @param[returnType] reference to the return type
+ * @param[returnType] references to the argument types
+ */
+class MethodRef(val parentClass: ClassRef,
+                val mcpName: String,
+                val srgName: String?,
+                val obfName: String?,
+                val returnType: ClassRef,
+                vararg argTypes: ClassRef
+) : Resolvable<Method>() {
+    constructor(parentClass: ClassRef, mcpName: String, returnType: ClassRef, vararg argTypes: ClassRef) :
+    this(parentClass, mcpName, mcpName, mcpName, returnType, *argTypes)
+
+    val argTypes = argTypes
+
+    fun name(namespace: Namespace) = when(namespace) { OBF -> obfName!!; SRG -> srgName!!; MCP -> mcpName }
+    fun asmDescriptor(namespace: Namespace) = "(${argTypes.map { it.asmDescriptor(namespace) }.fold(""){ s1, s2 -> s1 + s2 } })${returnType.asmDescriptor(namespace)}"
+
+    override fun resolve(): Method? =
+        if (parentClass.element == null || argTypes.any { it.element == null }) null
+        else {
+            val args = argTypes.map { it.element!! }.toTypedArray()
+            listOf(srgName!!, mcpName).map { tryDefault(null) {
+                parentClass.element!!.getDeclaredMethod(it, *args)
+            }}.filterNotNull().firstOrNull()
+            ?.apply { isAccessible = true }
+        }
+
+    /** Invoke this method using reflection. */
+    fun invoke(receiver: Any, vararg args: Any) = element?.invoke(receiver, *args)
+
+    /** Invoke this static method using reflection. */
+    fun invokeStatic(vararg args: Any) = element?.invoke(null, *args)
+
+}
+
+/**
+ * Reference to a field.
+ *
+ * @param[parentClass] reference to the class containing the field
+ * @param[mcpName] MCP name of the field
+ * @param[srgName] SRG name of the field
+ * @param[obfName] obfuscated name of the field
+ * @param[type] reference to the field type
+ */
+class FieldRef(val parentClass: ClassRef,
+               val mcpName: String,
+               val srgName: String?,
+               val obfName: String?,
+               val type: ClassRef?
+) : Resolvable<Field>() {
+    constructor(parentClass: ClassRef, mcpName: String, type: ClassRef?) : this(parentClass, mcpName, mcpName, mcpName, type)
+
+    fun name(namespace: Namespace) = when(namespace) { OBF -> obfName!!; SRG -> srgName!!; MCP -> mcpName }
+    fun asmDescriptor(namespace: Namespace) = type!!.asmDescriptor(namespace)
+
+    override fun resolve(): Field? =
+        if (parentClass.element == null) null
+        else {
+            listOf(srgName!!, mcpName).map { tryDefault(null) {
+                parentClass.element!!.getDeclaredField(it)
+            }}.filterNotNull().firstOrNull()
+            ?.apply{ isAccessible = true }
+        }
+
+    /** Get this field using reflection. */
+    fun get(receiver: Any?) = element?.get(receiver)
+
+    /** Get this static field using reflection. */
+    fun getStatic() = get(null)
+}
\ No newline at end of file
diff --git a/src/main/kotlin/mods/octarinecore/metaprog/Transformation.kt b/src/main/kotlin/mods/octarinecore/metaprog/Transformation.kt
new file mode 100644
index 0000000..1ff2d32
--- /dev/null
+++ b/src/main/kotlin/mods/octarinecore/metaprog/Transformation.kt
@@ -0,0 +1,199 @@
+package mods.octarinecore.metaprog
+
+import cpw.mods.fml.relauncher.IFMLLoadingPlugin
+import net.minecraft.launchwrapper.IClassTransformer
+import mods.octarinecore.metaprog.Namespace.*
+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.*
+
+@IFMLLoadingPlugin.TransformerExclusions(
+    "mods.octarinecore.metaprog",
+    "kotlin"
+)
+open class ASMPlugin(vararg val classes: Class<*>) : IFMLLoadingPlugin {
+    override fun getASMTransformerClass() = classes.map { it.canonicalName }.toTypedArray()
+    override fun getAccessTransformerClass() = null
+    override fun getModContainerClass() = null
+    override fun getSetupClass() = null
+    override fun injectData(data: Map<String, Any>) {}
+}
+
+/**
+ * Base class for convenient bytecode transformers.
+ */
+open class Transformer : IClassTransformer {
+
+    val log = LogManager.getLogger(this)
+
+    /** The type of environment we are in. Assume MCP until proven otherwise. */
+    var environment: Namespace = MCP
+
+    /** The list of transformers and targets. */
+    var transformers: 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) = transformers.add(method to trans)
+
+    override fun transform(name: String?, transformedName: String?, classData: ByteArray?): ByteArray? {
+        if (classData == null) return null
+        if (name != transformedName) environment = OBF
+
+        val classNode = ClassNode().apply { val reader = ClassReader(classData); reader.accept(this, 0) }
+        var workDone = false
+
+        val transformations: List<Pair<MethodTransformContext.()->Unit, MethodNode?>> = transformers.map { transformer ->
+            if (transformedName != transformer.first.parentClass.mcpName) return@map transformer.second to null
+            log.debug("Found class: $name -> $transformedName")
+            log.debug("  searching: ${transformer.first.name(OBF)} ${transformer.first.asmDescriptor(OBF)} -> ${transformer.first.name(MCP)} ${transformer.first.asmDescriptor(MCP)}")
+            transformer.second to classNode.methods.find {
+                log.debug("             ${it.name} ${it.desc}")
+
+                it.name == transformer.first.name(MCP) && it.desc == transformer.first.asmDescriptor(MCP) ||
+                it.name == transformer.first.name(OBF) && it.desc == transformer.first.asmDescriptor(OBF)
+            }
+        }
+
+        transformations.filter { it.second != null }.forEach {
+            synchronized(it.second!!) {
+                try {
+                    val trans = it.first
+                    MethodTransformContext(it.second!!, environment).trans()
+                    workDone = true
+                } catch (e: Throwable) {
+                    log.warn("Error transforming method ${it.second!!.name} ${it.second!!.desc}")
+                }
+            }
+        }
+
+        return if (!workDone) classData else ClassWriter(0).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) {
+    /**
+     * 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{
+        this.init(); list.forEach { method.instructions.insertBefore(this@insertBefore, it) }
+    }
+
+    /** 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
+    }
+}
+
+/**
+ * Allows builder-style declarative definition of instruction lists.
+ *
+ * @param[environment] the type of environment we are in
+ */
+class InstructionList(val environment: Namespace) {
+
+    /** 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(environment).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(environment).replace(".", "/"),
+            target.name(environment),
+            target.asmDescriptor(environment)
+    ))
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/CactusDefault.cfg b/src/main/resources/assets/betterfoliage/CactusDefault.cfg
new file mode 100644
index 0000000..b5720e8
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/CactusDefault.cfg
@@ -0,0 +1,5 @@
+// Vanilla
+net.minecraft.block.BlockCactus
+
+// TerraFirmaCraft
+com.bioxx.tfc.Blocks.Vanilla.BlockCustomCactus
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/CropDefault.cfg b/src/main/resources/assets/betterfoliage/CropDefault.cfg
new file mode 100644
index 0000000..bd95c37
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/CropDefault.cfg
@@ -0,0 +1,35 @@
+// Vanilla
+net.minecraft.block.BlockTallGrass
+net.minecraft.block.BlockCrops
+net.minecraft.block.BlockReed
+net.minecraft.block.BlockDoublePlant
+-net.minecraft.block.BlockCarrot
+-net.minecraft.block.BlockPotato
+
+// Biomes O'Plenty
+biomesoplenty.common.blocks.BlockBOPFlower
+biomesoplenty.common.blocks.BlockBOPFlower2
+
+// Tinkers' Construct
+tconstruct.blocks.slime.SlimeTallGrass
+
+// Plant Mega Pack
+plantmegapack.block.PMPBlockBerrybush
+plantmegapack.block.PMPBlockCrops
+plantmegapack.block.PMPBlockDesert
+plantmegapack.block.PMPBlockFern
+plantmegapack.block.PMPBlockFlowerMulti
+plantmegapack.block.PMPBlockFlowerSingle
+plantmegapack.block.PMPBlockForest
+plantmegapack.block.PMPBlockGrass
+plantmegapack.block.PMPBlockJungle
+plantmegapack.block.PMPBlockMountain
+plantmegapack.block.PMPBlockSavanna
+plantmegapack.block.PMPBlockShrub
+plantmegapack.block.PMPBlockWetlands
+
+// Pam's HarvestCraft
+com.pam.harvestcraft.BlockPamCrop
+com.pam.harvestcraft.BlockPamDesertGarden
+com.pam.harvestcraft.BlockPamNormalGarden
+com.pam.harvestcraft.BlockPamWaterGarden
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/DirtDefault.cfg b/src/main/resources/assets/betterfoliage/DirtDefault.cfg
new file mode 100644
index 0000000..7322ae7
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/DirtDefault.cfg
@@ -0,0 +1,14 @@
+// Vanilla
+net.minecraft.block.BlockDirt
+
+// Biomes O'Plenty
+biomesoplenty.common.blocks.BlockNewDirt
+
+// Enhanced Biomes
+enhancedbiomes.blocks.BlockSoilEB
+
+// TerraFirmaCraft
+com.bioxx.tfc.Blocks.Terrain.BlockDirt
+
+// Aether
+net.aetherteam.aether.blocks.natural.BlockAetherDirt
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/GrassDefault.cfg b/src/main/resources/assets/betterfoliage/GrassDefault.cfg
new file mode 100644
index 0000000..2f44802
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/GrassDefault.cfg
@@ -0,0 +1,19 @@
+// Vanilla
+net.minecraft.block.BlockGrass
+
+// Biomes O'Plenty
+biomesoplenty.common.blocks.BlockOriginGrass
+biomesoplenty.common.blocks.BlockLongGrass
+biomesoplenty.common.blocks.BlockNewGrass
+
+// Tinker's Construct
+tconstruct.blocks.slime.SlimeGrass
+
+// Enhanced Biomes
+enhancedbiomes.blocks.BlockGrassEB
+
+// TerraFirmaCraft
+com.bioxx.tfc.Blocks.Terrain.BlockGrass
+
+// Aether
+net.aetherteam.aether.blocks.natural.BlockAetherGrass
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/LeavesDefault.cfg b/src/main/resources/assets/betterfoliage/LeavesDefault.cfg
new file mode 100644
index 0000000..3dbacee
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/LeavesDefault.cfg
@@ -0,0 +1,8 @@
+// Vanilla
+net.minecraft.block.BlockLeavesBase
+
+// Forestry
+forestry.arboriculture.gadgets.BlockLeaves
+
+// Thaumcraft
+thaumcraft.common.blocks.BlockMagicalLeaves
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/LilypadDefault.cfg b/src/main/resources/assets/betterfoliage/LilypadDefault.cfg
new file mode 100644
index 0000000..4af6afd
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/LilypadDefault.cfg
@@ -0,0 +1,5 @@
+// Vanilla
+net.minecraft.block.BlockLilyPad
+
+// TerraFirmaCraft
+com.bioxx.tfc.Blocks.Vanilla.BlockCustomLilyPad
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/LogDefault.cfg b/src/main/resources/assets/betterfoliage/LogDefault.cfg
new file mode 100644
index 0000000..14c2403
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/LogDefault.cfg
@@ -0,0 +1,23 @@
+// Vanilla
+net.minecraft.block.BlockLog
+
+// Biomes O'Plenty
+biomesoplenty.common.blocks.BlockBOPLog
+
+// Natura
+mods.natura.blocks.trees.DarkTreeBlock
+mods.natura.blocks.trees.LogTwoxTwo
+mods.natura.blocks.trees.SimpleLog
+
+// Thaumcraft
+thaumcraft.common.blocks.BlockMagicalLog
+
+// Forestry
+forestry.arboriculture.gadgets.BlockLog
+
+// Extra Biomes XL
+-extrabiomes.blocks.BlockMiniLog
+
+// TerraFirmaCraft
+com.bioxx.tfc.Blocks.Flora.BlockLogVert
+com.bioxx.tfc.Blocks.Flora.BlockLogNatural
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/SandDefault.cfg b/src/main/resources/assets/betterfoliage/SandDefault.cfg
new file mode 100644
index 0000000..a1330e8
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/SandDefault.cfg
@@ -0,0 +1,5 @@
+// Vanilla
+net.minecraft.block.BlockSand
+
+// TerraFirmaCraft
+com.bioxx.tfc.Blocks.Terrain.BlockSand
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/lang/en_US.lang b/src/main/resources/assets/betterfoliage/lang/en_US.lang
new file mode 100644
index 0000000..ce8dbf1
--- /dev/null
+++ b/src/main/resources/assets/betterfoliage/lang/en_US.lang
@@ -0,0 +1,212 @@
+key.betterfoliage.gui=Open Settings
+
+betterfoliage.global.enabled=Enable Mod
+betterfoliage.global.enabled.tooltip=If set to false, BetterFoliage will not render anything
+
+betterfoliage.enabled=Enable
+betterfoliage.enabled.tooltip=Is this feature enabled?
+betterfoliage.hOffset=Horizontal offset
+betterfoliage.hOffset.tooltip=The distance this element is shifted horizontally, in blocks
+betterfoliage.vOffset=Vertical offset
+betterfoliage.vOffset.tooltip=The distance this element is shifted vertically, in blocks
+betterfoliage.size=Size
+betterfoliage.size.tooltip=Size of this element
+betterfoliage.heightMin=Minimum height
+betterfoliage.heightMin.tooltip=Minimum height of element
+betterfoliage.heightMax=Maximum height
+betterfoliage.heightMax.tooltip=Maximum height of element
+betterfoliage.population=Population
+betterfoliage.population.tooltip=Chance (N in 64) that an eligible block will have this feature
+betterfoliage.shaderWind=Shader wind effects
+betterfoliage.shaderWind.tooltip=Apply wind effects from ShaderMod shaders to this element?
+betterfoliage.distance=Distance limit
+betterfoliage.distance.tooltip=Maximum distance from player at which to render this feature 
+
+betterfoliage.blocks=Block Types
+betterfoliage.blocks.tooltip=Configure lists of block classes that will have specific features applied to them
+
+betterfoliage.blocks.dirtWhitelist=Dirt Whitelist
+betterfoliage.blocks.dirtBlacklist=Dirt Blacklist
+betterfoliage.blocks.dirtWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.dirtBlacklist.arrayEntry=%d entries
+
+betterfoliage.blocks.grassWhitelist=Grass Whitelist
+betterfoliage.blocks.grassBlacklist=Grass Blacklist
+betterfoliage.blocks.grassWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.grassBlacklist.arrayEntry=%d entries
+
+betterfoliage.blocks.leavesWhitelist=Leaves Whitelist
+betterfoliage.blocks.leavesBlacklist=Leaves Blacklist
+betterfoliage.blocks.leavesWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.leavesBlacklist.arrayEntry=%d entries
+
+betterfoliage.blocks.cropsWhitelist=Crop Whitelist
+betterfoliage.blocks.cropsBlacklist=Crop Blacklist
+betterfoliage.blocks.cropsWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.cropsBlacklist.arrayEntry=%d entries
+
+betterfoliage.blocks.logsWhitelist=Wood Log Whitelist
+betterfoliage.blocks.logsBlacklist=Wood Log Blacklist
+betterfoliage.blocks.logsWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.logsBlacklist.arrayEntry=%d entries
+
+betterfoliage.blocks.sandWhitelist=Sand Whitelist
+betterfoliage.blocks.sandBlacklist=Sand Blacklist
+betterfoliage.blocks.sandWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.sandBlacklist.arrayEntry=%d entries
+
+betterfoliage.blocks.lilypadWhitelist=Lilypad Whitelist
+betterfoliage.blocks.lilypadBlacklist=Lilypad Blacklist
+betterfoliage.blocks.lilypadWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.lilypadBlacklist.arrayEntry=%d entries
+
+betterfoliage.blocks.cactusWhitelist=Cactus Whitelist
+betterfoliage.blocks.cactusBlacklist=Cactus Blacklist
+betterfoliage.blocks.cactusWhitelist.arrayEntry=%d entries
+betterfoliage.blocks.cactusBlacklist.arrayEntry=%d entries
+
+
+betterfoliage.blocks.dirtWhitelist.tooltip=Blocks recognized as Dirt. Has an impact on Reeds, Algae, Connected Grass
+betterfoliage.blocks.dirtBlacklist.tooltip=Blocks never accepted as Dirt. Has an impact on Reeds, Algae, Connected Grass
+betterfoliage.blocks.grassWhitelist.tooltip=Blocks recognized as Grass. Has an impact on Short Grass, Connected Grass
+betterfoliage.blocks.grassBlacklist.tooltip=Blocks never accepted as Grass. Has an impact on Short Grass, Connected Grass
+betterfoliage.blocks.leavesWhitelist.tooltip=Blocks recognized as Leaves. Has an impact on Extra Leaves, Falling Leaves. Leaves will render with leaves block ID in shader programs
+betterfoliage.blocks.leavesBlacklist.tooltip=Blocks never accepted as Leaves. Has an impact on Extra Leaves, Falling Leaves. Leaves will render with leaves block ID in shader programs
+betterfoliage.blocks.cropsWhitelist.tooltip=Blocks recognized as crops. Crops will render with tallgrass block ID in shader programs
+betterfoliage.blocks.cropsBlacklist.tooltip=Blocks never accepted as crops. Crops will render with tallgrass block ID in shader programs
+betterfoliage.blocks.logsWhitelist.tooltip=Blocks recognized as wooden logs. Has an impact on Rounded Logs
+betterfoliage.blocks.logsBlacklist.tooltip=Blocks never accepted as wooden logs. Has an impact on Rounded Logs
+betterfoliage.blocks.sandWhitelist.tooltip=Blocks recognized as Sand. Has an impact on Coral
+betterfoliage.blocks.sandBlacklist.tooltip=Blocks never accepted Sand. Has an impact on Coral
+betterfoliage.blocks.lilypadWhitelist.tooltip=Blocks recognized as Lilypad. Has an impact on Better Lilypad
+betterfoliage.blocks.lilypadBlacklist.tooltip=Blocks never accepted Lilypad. Has an impact on Better Lilypad
+betterfoliage.blocks.cactusWhitelist.tooltip=Blocks recognized as Cactus. Has an impact on Better Cactus
+betterfoliage.blocks.cactusBlacklist.tooltip=Blocks never accepted Cactus. Has an impact on Better Cactus
+
+betterfoliage.leaves=Extra Leaves
+betterfoliage.leaves.tooltip=Extra round leaves on leaf blocks
+betterfoliage.leaves.dense=Dense mode
+betterfoliage.leaves.dense.tooltip=Dense mode has more round leaves
+
+betterfoliage.shortGrass=Short Grass & Mycelium
+betterfoliage.shortGrass.tooltip=Tufts of grass/mycelium on top of appropriate blocks
+betterfoliage.shortGrass.useGenerated=Use generated texture for grass
+betterfoliage.shortGrass.useGenerated.tooltip=Generated texture is made by slicing the tallgrass texture from the active resource pack in half
+betterfoliage.shortGrass.myceliumEnabled=Enable Mycelium
+betterfoliage.shortGrass.myceliumEnabled.tooltip=Is this feature enabled for mycelium blocks?
+betterfoliage.shortGrass.grassEnabled=Enable Grass
+betterfoliage.shortGrass.grassEnabled.tooltip=Is this feature enabled for grass blocks?
+betterfoliage.shortGrass.snowEnabled=Enable under snow
+betterfoliage.shortGrass.snowEnabled.tooltip=Enable on snowed grass blocks?
+betterfoliage.shortGrass.saturationThreshold=Saturation threshold
+betterfoliage.shortGrass.saturationThreshold.tooltip=Color saturation cutoff between "colorless" blocks (using biome color) and "colorful" blocks (using their own specific color)
+
+betterfoliage.hangingGrass=Hanging Grass
+betterfoliage.hangingGrass.tooltip=Grass tufts hanging down from the top edges of grass blocks
+betterfoliage.hangingGrass.separation=Separation
+betterfoliage.hangingGrass.separation.tooltip=How much the hanging grass stands out from the block
+
+betterfoliage.cactus=Better Cactus
+betterfoliage.cactus.tooltip=Enhance cactus with extra bits and smooth shading
+betterfoliage.cactus.sizeVariation=Size variation
+betterfoliage.cactus.sizeVariation.tooltip=Amount of random variation on cactus size
+
+betterfoliage.lilypad=Better Lilypad
+betterfoliage.lilypad.tooltip=Enhance lilypad with roots and occasional flowers
+betterfoliage.lilypad.flowerChance=Flower chance
+betterfoliage.lilypad.flowerChance.tooltip=Chance (N in 64) of a lilypad having a flower on it
+
+betterfoliage.reed=Reeds
+betterfoliage.reed.tooltip=Reeds on dirt blocks in shallow water
+betterfoliage.reed.biomes=Biome List
+betterfoliage.reed.biomes.tooltip=Configure which biomes reeds are allowed to appear in
+betterfoliage.reed.biomes.tooltip.element=Should reeds appear in the %s biome?
+
+betterfoliage.algae=Algae
+betterfoliage.algae.tooltip=Algae on dirt blocks in deep water
+betterfoliage.algae.biomes=Biome List
+betterfoliage.algae.biomes.tooltip=Configure which biomes algae is allowed to appear in
+betterfoliage.algae.biomes.tooltip.element=Should algae appear in the %s biome?
+
+betterfoliage.coral=Coral
+betterfoliage.coral.tooltip=Coral on sand blocks in deep water
+betterfoliage.coral.size=Coral size
+betterfoliage.coral.size.tooltip=Size of coral bits sticking out
+betterfoliage.coral.crustSize=Crust size
+betterfoliage.coral.crustSize.tooltip=Size of the flat coral part
+betterfoliage.coral.chance=Coral chance
+betterfoliage.coral.chance.tooltip=Chance (N in 64) of a specific face of the block to show coral
+betterfoliage.coral.biomes=Biome List
+betterfoliage.coral.biomes.tooltip=Configure which biomes coral is allowed to appear in
+betterfoliage.coral.biomes.tooltip.element=Should coral appear in the %s biome?
+betterfoliage.coral.shallowWater=Shallow water coral
+betterfoliage.coral.shallowWater.tooltip=Should coral appear in 1 block deep water?
+
+betterfoliage.netherrack=Netherrack Vines
+betterfoliage.netherrack.tooltip=Hanging Vines under netherrack
+
+betterfoliage.fallingLeaves=Falling leaves
+betterfoliage.fallingLeaves.tooltip=Falling leaf particle FX emitted from the bottom of leaf blocks
+betterfoliage.fallingLeaves.speed=Particle speed
+betterfoliage.fallingLeaves.speed.tooltip=Overall particle speed
+betterfoliage.fallingLeaves.windStrength=Wind strength
+betterfoliage.fallingLeaves.windStrength.tooltip=Magnitude of wind effects in good weather (spread of normal distribution centered on 0)
+betterfoliage.fallingLeaves.stormStrength=Storm strength
+betterfoliage.fallingLeaves.stormStrength.tooltip=Additional magnitude of wind effects in rainy weather (spread of normal distribution centered on 0)
+betterfoliage.fallingLeaves.size=Particle size
+betterfoliage.fallingLeaves.chance=Particle chance
+betterfoliage.fallingLeaves.chance.tooltip=Chance of each random render tick hitting a leaf block to spawn a particle
+betterfoliage.fallingLeaves.perturb=Perturbation
+betterfoliage.fallingLeaves.perturb.tooltip=Magnitude of perturbation effect. Adds a corkscrew-like motion to the particle synchronized to its rotation
+betterfoliage.fallingLeaves.lifetime=Maximum lifetime
+betterfoliage.fallingLeaves.lifetime.tooltip=Maximum lifetime of particle in seconds. Minimum lifetime is 60%% of this value
+betterfoliage.fallingLeaves.opacityHack=Opaque particles
+betterfoliage.fallingLeaves.opacityHack.tooltip=Stop transparent blocks obscuring particles even when particle is in front. WARNING: may cause glitches.
+
+betterfoliage.risingSoul=Rising souls
+betterfoliage.risingSoul.tooltip=Rising soul particle FX emitted from the top of soulsand blocks
+betterfoliage.risingSoul.chance=Particle chance
+betterfoliage.risingSoul.chance.tooltip=Chance of each random render tick hitting a soulsand block to spawn a particle
+betterfoliage.risingSoul.speed=Particle speed
+betterfoliage.risingSoul.speed.tooltip=Vertical speed of soul particles
+betterfoliage.risingSoul.perturb=Perturbation
+betterfoliage.risingSoul.perturb.tooltip=Magnitude of perturbation effect. Adds a corkscrew-like motion to the particle
+betterfoliage.risingSoul.headSize=Soul size
+betterfoliage.risingSoul.headSize.tooltip=Size of the soul particle
+betterfoliage.risingSoul.trailSize=Trail size
+betterfoliage.risingSoul.trailSize.tooltip=Initial size of the particle trail
+betterfoliage.risingSoul.opacity=Opacity
+betterfoliage.risingSoul.opacity.tooltip=Opacity of the particle effect
+betterfoliage.risingSoul.sizeDecay=Size decay
+betterfoliage.risingSoul.sizeDecay.tooltip=Trail particle size relative to its size in the previous tick
+betterfoliage.risingSoul.opacityDecay=Opacity decay
+betterfoliage.risingSoul.opacityDecay.tooltip=Trail particle opacity relative to its opacity in the previous tick
+betterfoliage.risingSoul.lifetime=Maximum lifetime
+betterfoliage.risingSoul.lifetime.tooltip=Maximum lifetime of particle effect in seconds. Minimum lifetime is 60%% of this value
+betterfoliage.risingSoul.trailLength=Trail length
+betterfoliage.risingSoul.trailLength.tooltip=Number of previous positions the particle remembers in ticks
+betterfoliage.risingSoul.trailDensity=Trail density
+betterfoliage.risingSoul.trailDensity.tooltip=Render every Nth previous position in the particle trail
+
+betterfoliage.connectedGrass=Connected grass textures
+betterfoliage.connectedGrass.enabled=Enable
+betterfoliage.connectedGrass.enabled.tooltip=If there is a grass block on top of a dirt block: draw grass top texture on all grass block sides,
+
+betterfoliage.roundLogs=Round Logs
+betterfoliage.roundLogs.tooltip=Connect round blocks to solid full blocks?
+betterfoliage.roundLogs.connectSolids=Connect to solid
+betterfoliage.roundLogs.connectSolids.tooltip=Connect round blocks to solid full blocks?
+betterfoliage.roundLogs.connectPerpendicular=Connect to perpendicular logs
+betterfoliage.roundLogs.connectPerpendicular.tooltip=Connect round logs to perpendicular logs alons its axis?
+betterfoliage.roundLogs.lenientConnect=Lenient rounding
+betterfoliage.roundLogs.lenientConnect.tooltip=Connect parallel round logs in an L-shape too, not just 2x2
+betterfoliage.roundLogs.connectGrass=Connect Grass
+betterfoliage.roundLogs.connectGrass.tooltip=Render grass block under trees instead of dirt if there is grass nearby
+betterfoliage.roundLogs.radiusSmall=Chamfer radius
+betterfoliage.roundLogs.radiusSmall.tooltip=How much to chop off from the log corner
+betterfoliage.roundLogs.radiusLarge=Connected chamfer radius
+betterfoliage.roundLogs.radiusLarge.tooltip=How much to chop off from the outer corner of connected logs
+betterfoliage.roundLogs.dimming=Dimming
+betterfoliage.roundLogs.dimming.tooltip=Amount to darken onscured log faces
+betterfoliage.roundLogs.zProtection=Z-Protection
+betterfoliage.roundLogs.zProtection.tooltip=Amount to scale parallel log connection bits to stop Z-fighting (flickering). Try to set it as high as possible without having glitches.
\ No newline at end of file
diff --git a/src/main/resources/assets/betterfoliage/textures/blocks/falling_leaf_default_0.png b/src/main/resources/assets/betterfoliage/textures/blocks/falling_leaf_default_0.png
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new file mode 100644
index 0000000..5d86d5e
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diff --git a/src/main/resources/assets/bettergrassandleaves/textures/blocks/rising_soul_1.png b/src/main/resources/assets/bettergrassandleaves/textures/blocks/rising_soul_1.png
new file mode 100644
index 0000000..ee6e749
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diff --git a/src/main/resources/assets/bettergrassandleaves/textures/blocks/soul_track.png b/src/main/resources/assets/bettergrassandleaves/textures/blocks/soul_track.png
new file mode 100644
index 0000000..c5bb28f
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diff --git a/src/main/resources/assets/bettergrassandleaves/textures/blocks/soul_track.png.mcmeta b/src/main/resources/assets/bettergrassandleaves/textures/blocks/soul_track.png.mcmeta
new file mode 100644
index 0000000..55c2941
--- /dev/null
+++ b/src/main/resources/assets/bettergrassandleaves/textures/blocks/soul_track.png.mcmeta
@@ -0,0 +1 @@
+{ "animation": { "frametime": 2 } }
\ No newline at end of file
diff --git a/src/main/resources/mcmod.info b/src/main/resources/mcmod.info
new file mode 100644
index 0000000..60cd829
--- /dev/null
+++ b/src/main/resources/mcmod.info
@@ -0,0 +1,8 @@
+[{
+  "modid": "BetterFoliage",
+  "name": "Better Foliage",
+  "version": "$version",
+  "mcversion": "$mcversion",
+  "description": "Leafier leaves and grassier grass",
+  "authorList" : ["octarine-noise (code)", "Meringue (textures)"]
+}]
\ No newline at end of file
diff --git a/src/main/resources/pack.mcmeta b/src/main/resources/pack.mcmeta
new file mode 100644
index 0000000..4a45a2a
--- /dev/null
+++ b/src/main/resources/pack.mcmeta
@@ -0,0 +1,6 @@
+{
+  "pack": {
+    "pack_format": 1,
+    "description": "Better Foliage mod resources made by Meringue"
+  }
+}