[WIP] Falling leaves working

+ more cleanup
+ fix double-tinted leaves

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

@@ -1,13 +1,25 @@
 package mods.betterfoliage.render
 
+import com.mojang.blaze3d.vertex.IVertexBuilder
+import mods.betterfoliage.BetterFoliage
 import mods.betterfoliage.config.Config
 import mods.betterfoliage.render.old.AbstractEntityFX
 import mods.betterfoliage.model.HSB
+import mods.betterfoliage.model.getActualRenderModel
+import mods.betterfoliage.render.particle.AbstractParticle
+import mods.betterfoliage.texture.LeafParticleKey
+import mods.betterfoliage.texture.LeafParticleRegistry
 import mods.betterfoliage.util.Double3
 import mods.betterfoliage.util.PI2
+import mods.betterfoliage.util.get
 import mods.betterfoliage.util.minmax
+import mods.betterfoliage.util.randomB
 import mods.betterfoliage.util.randomD
+import mods.betterfoliage.util.randomF
+import mods.betterfoliage.util.randomI
 import net.minecraft.client.Minecraft
+import net.minecraft.client.particle.IParticleRenderType
+import net.minecraft.client.renderer.ActiveRenderInfo
 import net.minecraft.client.renderer.BufferBuilder
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.MathHelper
@@ -23,116 +35,3 @@ import kotlin.math.sin
 
 const val rotationFactor = PI2.toFloat() / 64.0f
 
-class EntityFallingLeavesFX(
-    world: World, pos: BlockPos
-) : AbstractEntityFX(
-    world, pos.x.toDouble() + 0.5, pos.y.toDouble(), pos.z.toDouble() + 0.5
-) {
-
-    companion object {
-        @JvmStatic val biomeBrightnessMultiplier = 0.5f
-    }
-
-    var particleRot = rand.nextInt(64)
-    var rotPositive = true
-    val isMirrored = (rand.nextInt() and 1) == 1
-    var wasCollided = false
-
-    init {
-        maxAge = MathHelper.floor(randomD(0.6, 1.0) * Config.fallingLeaves.lifetime * 20.0)
-        motionY = -Config.fallingLeaves.speed
-
-        particleScale = Config.fallingLeaves.size.toFloat() * 0.1f
-
-        val state = world.getBlockState(pos)
-//        val leafInfo = LeafRegistry[state, world, pos]
-        val blockColor = Minecraft.getInstance().blockColors.getColor(state, world, pos, 0)
-//        if (leafInfo != null) {
-//            sprite = leafInfo.particleTextures[rand.nextInt(1024)]
-//            calculateParticleColor(leafInfo.averageColor, blockColor)
-//        } else {
-//            sprite = LeafParticleRegistry["default"][rand.nextInt(1024)]
-//            setColor(blockColor)
-//        }
-    }
-
-    override val isValid: Boolean get() = (sprite != null)
-
-    override fun update() {
-        if (rand.nextFloat() > 0.95f) rotPositive = !rotPositive
-        if (age > maxAge - 20) particleAlpha = 0.05f * (maxAge - age)
-
-        if (onGround || wasCollided) {
-            velocity.setTo(0.0, 0.0, 0.0)
-            if (!wasCollided) {
-                age = age.coerceAtLeast(maxAge - 20)
-                wasCollided = true
-            }
-        } else {
-            velocity.setTo(cos[particleRot], 0.0, sin[particleRot]).mul(Config.fallingLeaves.perturb)
-                    .add(LeafWindTracker.current).add(0.0, -1.0, 0.0).mul(Config.fallingLeaves.speed)
-            particleRot = (particleRot + (if (rotPositive) 1 else -1)) and 63
-            particleAngle = rotationFactor * particleRot.toFloat()
-        }
-    }
-
-    override fun render(worldRenderer: BufferBuilder, partialTickTime: Float) {
-//        if (Config.fallingLeaves.opacityHack) GL11.glDepthMask(true)
-//        renderParticleQuad(worldRenderer, 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)
-    }
-}
-
-object LeafWindTracker {
-    var random = Random()
-    val target = Double3.zero
-    val current = Double3.zero
-    var nextChange: Long = 0
-
-    init {
-        MinecraftForge.EVENT_BUS.register(this)
-    }
-
-    fun changeWind(world: World) {
-        nextChange = world.worldInfo.gameTime + 120 + random.nextInt(80)
-        val direction = PI2 * random.nextDouble()
-        val speed = abs(random.nextGaussian()) * Config.fallingLeaves.windStrength +
-            (if (!world.isRaining) 0.0 else abs(random.nextGaussian()) * Config.fallingLeaves.stormStrength)
-        target.setTo(cos(direction) * speed, 0.0, sin(direction) * speed)
-    }
-
-    @SubscribeEvent
-    fun handleWorldTick(event: TickEvent.ClientTickEvent) {
-        if (event.phase == TickEvent.Phase.START) Minecraft.getInstance().world?.let { world ->
-            // change target wind speed
-            if (world.worldInfo.dayTime >= 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.world) }
-}