Port to 1.16.5

Kottle -> KotlinForForge

src/main/kotlin/mods/betterfoliage/render/particle/FallingLeaves.kt

@@ -8,22 +8,22 @@ 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.world.ClientWorld
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.MathHelper
 import net.minecraft.world.World
 import net.minecraftforge.common.MinecraftForge
 import net.minecraftforge.event.TickEvent
-import net.minecraftforge.event.world.WorldEvent
 import net.minecraftforge.eventbus.api.SubscribeEvent
+import net.minecraftforge.fml.LogicalSide
 import java.util.Random
 import kotlin.math.abs
 import kotlin.math.cos
 import kotlin.math.sin
 
 class FallingLeafParticle(
-    world: World, pos: BlockPos, leaf: LeafParticleKey, blockColor: Int, random: Random
+    world: ClientWorld, pos: BlockPos, leaf: LeafParticleKey, blockColor: Int, random: Random
 ) : AbstractParticle(
     world, pos.x.toDouble() + 0.5, pos.y.toDouble(), pos.z.toDouble() + 0.5
 ) {
@@ -37,13 +37,13 @@ class FallingLeafParticle(
     var wasCollided = false
 
     init {
-        particleAngle = random.randomF(max = PI2)
-        prevParticleAngle = particleAngle - rotationSpeed
+        roll = random.randomF(max = PI2)
+        oRoll = roll - rotationSpeed
 
-        maxAge = MathHelper.floor(randomD(0.6, 1.0) * Config.fallingLeaves.lifetime * 20.0)
-        motionY = -Config.fallingLeaves.speed
+        lifetime = MathHelper.floor(randomD(0.6, 1.0) * Config.fallingLeaves.lifetime * 20.0)
+        yd = -Config.fallingLeaves.speed
 
-        particleScale = Config.fallingLeaves.size.toFloat() * 0.1f
+        quadSize = Config.fallingLeaves.size.toFloat() * 0.1f
         setColor(leaf.overrideColor?.asInt ?: blockColor)
         sprite = LeafParticleRegistry[leaf.leafType][randomI(max = 1024)]
     }
@@ -52,21 +52,21 @@ class FallingLeafParticle(
 
 
     override fun update() {
-        if (rand.nextFloat() > 0.95f) rotationSpeed *= -1.0f
-        if (age > maxAge - 20) particleAlpha = 0.05f * (maxAge - age)
+        if (random.nextFloat() > 0.95f) rotationSpeed *= -1.0f
+        if (age > lifetime - 20) alpha = 0.05f * (lifetime - age)
 
         if (onGround || wasCollided) {
             velocity.setTo(0.0, 0.0, 0.0)
             if (!wasCollided) {
-                age = age.coerceAtLeast(maxAge - 20)
+                age = age.coerceAtLeast(lifetime - 20)
                 wasCollided = true
             }
         } else {
-            val cosRotation = cos(particleAngle).toDouble(); val sinRotation = sin(particleAngle).toDouble()
+            val cosRotation = cos(roll).toDouble(); val sinRotation = sin(roll).toDouble()
             velocity.setTo(cosRotation, 0.0, sinRotation).mul(Config.fallingLeaves.perturb)
                 .add(LeafWindTracker.current).add(0.0, -1.0, 0.0).mul(Config.fallingLeaves.speed)
-            prevParticleAngle = particleAngle
-            particleAngle += rotationSpeed
+            oRoll = roll
+            roll += rotationSpeed
         }
     }
 
@@ -84,7 +84,7 @@ object LeafWindTracker {
     }
 
     fun changeWind(world: World) {
-        nextChange = world.worldInfo.gameTime + 120 + random.nextInt(80)
+        nextChange = world.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)
@@ -92,10 +92,10 @@ object LeafWindTracker {
     }
 
     @SubscribeEvent
-    fun handleWorldTick(event: TickEvent.ClientTickEvent) {
-        if (event.phase == TickEvent.Phase.START) Minecraft.getInstance().world?.let { world ->
+    fun handleWorldTick(event: TickEvent.WorldTickEvent) {
+        if (event.phase == TickEvent.Phase.START && event.side == LogicalSide.CLIENT) event.world.let { world ->
             // change target wind speed
-            if (world.worldInfo.dayTime >= nextChange) changeWind(world)
+            if (world.dayTime >= nextChange) changeWind(world)
 
             // change current wind speed
             val changeRate = if (world.isRaining) 0.015 else 0.005
@@ -107,6 +107,6 @@ object LeafWindTracker {
         }
     }
 
-    @SubscribeEvent
-    fun handleWorldLoad(event: WorldEvent.Load) { if (event.world.isRemote) changeWind(event.world.world) }
+//    @SubscribeEvent
+//    fun handleWorldLoad(event: WorldEvent.Load) { if (event.world.isClientSide) changeWind(event.world) }
 }