Files
BetterFoliage/src/main/kotlin/mods/betterfoliage/client/render/RenderLeaves.kt
2019-09-04 11:29:50 +02:00

94 lines
3.7 KiB
Kotlin

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.OptifineCTM
import mods.betterfoliage.client.integration.OptifineCustomColors
import mods.betterfoliage.client.integration.ShadersModIntegration
import mods.betterfoliage.client.texture.LeafRegistry
import mods.octarinecore.PI2
import mods.octarinecore.client.render.*
import mods.octarinecore.common.Double3
import mods.octarinecore.common.Int3
import mods.octarinecore.common.Rotation
import mods.octarinecore.common.vec
import mods.octarinecore.random
import net.minecraft.block.material.Material
import net.minecraft.client.renderer.BlockRendererDispatcher
import net.minecraft.client.renderer.BufferBuilder
import net.minecraft.util.BlockRenderLayer
import net.minecraft.util.EnumFacing.DOWN
import net.minecraft.util.EnumFacing.UP
import net.minecraftforge.fml.relauncher.Side
import net.minecraftforge.fml.relauncher.SideOnly
import java.lang.Math.cos
import java.lang.Math.sin
@SideOnly(Side.CLIENT)
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, "blocks/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 &&
LeafRegistry[ctx, DOWN] != null
override fun render(ctx: BlockContext, dispatcher: BlockRendererDispatcher, renderer: BufferBuilder, layer: BlockRenderLayer): Boolean {
val isSnowed = ctx.blockState(up1).material.let {
it == Material.SNOW || it == Material.CRAFTED_SNOW
}
val leafInfo = LeafRegistry[ctx, DOWN]
if (leafInfo == null) {
// shouldn't happen
Client.logRenderError(ctx.blockState(Int3.zero), ctx.pos)
return renderWorldBlockBase(ctx, dispatcher, renderer, layer)
}
val blockColor = OptifineCustomColors.getBlockColor(ctx)
renderWorldBlockBase(ctx, dispatcher, renderer, layer)
if (!layer.isCutout) return true
modelRenderer.updateShading(Int3.zero, allFaces)
ShadersModIntegration.leaves(renderer) {
val rand = ctx.semiRandomArray(2)
(if (Config.leaves.dense) denseLeavesRot else normalLeavesRot).forEach { rotation ->
modelRenderer.render(
renderer,
leavesModel.model,
rotation,
ctx.blockCenter + perturbs[rand[0]],
icon = { _, _, _ -> leafInfo.roundLeafTexture },
postProcess = { _, _, _, _, _ ->
rotateUV(rand[1])
multiplyColor(blockColor)
}
)
}
if (isSnowed && Config.leaves.snowEnabled) modelRenderer.render(
renderer,
leavesModel.model,
Rotation.identity,
ctx.blockCenter + perturbs[rand[0]],
icon = { _, _, _ -> snowedIcon[rand[1]]!! },
postProcess = whitewash
)
}
return true
}
}