73 lines
3.1 KiB
Kotlin
73 lines
3.1 KiB
Kotlin
package mods.betterfoliage.client.integration
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import mods.betterfoliage.client.Client
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import mods.betterfoliage.client.config.Config
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import mods.betterfoliage.loader.Refs
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import mods.octarinecore.metaprog.allAvailable
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import net.minecraft.block.Block
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import net.minecraft.block.BlockTallGrass
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import net.minecraft.block.state.IBlockState
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import net.minecraft.client.renderer.VertexBuffer
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import net.minecraft.init.Blocks
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import net.minecraftforge.fml.relauncher.Side
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import net.minecraftforge.fml.relauncher.SideOnly
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import org.apache.logging.log4j.Level.INFO
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/**
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* Integration for ShadersMod.
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*/
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@SideOnly(Side.CLIENT)
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object ShadersModIntegration {
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@JvmStatic var isPresent = false
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@JvmStatic val tallGrassEntityData = entityDataFor(Blocks.TALLGRASS.defaultState.withProperty(BlockTallGrass.TYPE, BlockTallGrass.EnumType.GRASS))
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@JvmStatic val leavesEntityData = entityDataFor(Blocks.LEAVES.defaultState)
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fun entityDataFor(blockState: IBlockState) =
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(Block.REGISTRY.getIDForObject(blockState.block).toLong() and 65535) or
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((blockState.renderType.ordinal.toLong() and 65535) shl 16) or
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(blockState.block.getMetaFromState(blockState).toLong() shl 32)
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/**
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* Called from transformed ShadersMod code.
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* @see mods.betterfoliage.loader.BetterFoliageTransformer
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*/
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@JvmStatic fun getBlockIdOverride(original: Long, blockState: IBlockState): Long {
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if (Config.blocks.leavesClasses.matchesClass(blockState.block)) return leavesEntityData
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if (Config.blocks.crops.matchesClass(blockState.block)) return tallGrassEntityData
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return original
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}
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init {
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if (allAvailable(Refs.sVertexBuilder, Refs.pushEntity_state, Refs.pushEntity_num, Refs.popEntity)) {
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Client.log(INFO, "ShadersMod integration enabled")
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isPresent = true
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}
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}
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/** Quads rendered inside this block will use the given block entity data in shader programs. */
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inline fun renderAs(blockEntityData: Long, renderer: VertexBuffer, enabled: Boolean = true, func: ()->Unit) {
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if ((isPresent && enabled)) {
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val vertexBuilder = Refs.sVertexBuilder.get(renderer)!!
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Refs.pushEntity_num.invoke(vertexBuilder, blockEntityData)
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func()
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Refs.popEntity.invoke(vertexBuilder)
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} else {
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func()
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}
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}
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/** Quads rendered inside this block will use the given block entity data in shader programs. */
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inline fun renderAs(state: IBlockState, renderer: VertexBuffer, enabled: Boolean = true, func: ()->Unit) =
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renderAs(entityDataFor(state), renderer, enabled, func)
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/** Quads rendered inside this block will behave as tallgrass blocks in shader programs. */
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inline fun grass(renderer: VertexBuffer, enabled: Boolean = true, func: ()->Unit) =
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renderAs(tallGrassEntityData, renderer, enabled, func)
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/** Quads rendered inside this block will behave as leaf blocks in shader programs. */
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inline fun leaves(renderer: VertexBuffer, enabled: Boolean = true, func: ()->Unit) =
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renderAs(leavesEntityData, renderer, enabled, func)
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}
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