octarine-noise
112 lines
4.0 KiB
Kotlin
112 lines
4.0 KiB
Kotlin
package mods.betterfoliage.render.particle
|
|
|
|
import mods.betterfoliage.config.Config
|
|
import mods.betterfoliage.util.Double3
|
|
import mods.betterfoliage.util.PI2
|
|
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.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 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
|
|
) : AbstractParticle(
|
|
world, pos.x.toDouble() + 0.5, pos.y.toDouble(), pos.z.toDouble() + 0.5
|
|
) {
|
|
|
|
companion object {
|
|
@JvmStatic val biomeBrightnessMultiplier = 0.5f
|
|
}
|
|
|
|
var rotationSpeed = random.randomF(min = PI2 / 80.0, max = PI2 / 50.0)
|
|
val isMirrored = randomB()
|
|
var wasCollided = false
|
|
|
|
init {
|
|
particleAngle = random.randomF(max = PI2)
|
|
prevParticleAngle = particleAngle - rotationSpeed
|
|
|
|
maxAge = MathHelper.floor(randomD(0.6, 1.0) * Config.fallingLeaves.lifetime * 20.0)
|
|
motionY = -Config.fallingLeaves.speed
|
|
|
|
particleScale = Config.fallingLeaves.size.toFloat() * 0.1f
|
|
setColor(leaf.overrideColor?.asInt ?: blockColor)
|
|
sprite = LeafParticleRegistry[leaf.leafType][randomI(max = 1024)]
|
|
}
|
|
|
|
override val isValid: Boolean get() = (sprite != null)
|
|
|
|
|
|
override fun update() {
|
|
if (rand.nextFloat() > 0.95f) rotationSpeed *= -1.0f
|
|
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 {
|
|
val cosRotation = cos(particleAngle).toDouble(); val sinRotation = sin(particleAngle).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
|
|
}
|
|
}
|
|
|
|
override fun getRenderType(): IParticleRenderType = IParticleRenderType.PARTICLE_SHEET_TRANSLUCENT
|
|
}
|
|
|
|
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) }
|
|
} |