118 lines
4.9 KiB
Java
118 lines
4.9 KiB
Java
package carpet.mixins;
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import org.spongepowered.asm.mixin.Final;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.Shadow;
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import carpet.fakes.ChunkLightProviderInterface;
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import carpet.fakes.LightStorageInterface;
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import it.unimi.dsi.fastutil.longs.LongSet;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.core.SectionPos;
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import net.minecraft.world.level.LightLayer;
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import net.minecraft.world.level.chunk.DataLayer;
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import net.minecraft.world.level.chunk.LightChunkGetter;
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import net.minecraft.world.level.lighting.BlockLightSectionStorage.BlockDataLayerStorageMap;
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import net.minecraft.world.level.lighting.LayerLightEngine;
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import net.minecraft.world.level.lighting.LayerLightSectionStorage;
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import net.minecraft.world.level.lighting.SkyLightSectionStorage;
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@Mixin(SkyLightSectionStorage.class)
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public abstract class SkyLightSectionStorage_scarpetChunkCreationMixin extends LayerLightSectionStorage<BlockDataLayerStorageMap> implements LightStorageInterface
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{
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protected SkyLightSectionStorage_scarpetChunkCreationMixin(final LightLayer lightType, final LightChunkGetter chunkProvider, final BlockDataLayerStorageMap lightData)
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{
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super(lightType, chunkProvider, lightData);
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}
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@Shadow
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@Final
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private LongSet sectionsToAddSourcesTo;
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@Shadow
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@Final
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private LongSet sectionsToRemoveSourcesFrom;
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@Shadow
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@Final
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private LongSet sectionsWithSources;
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@Shadow protected abstract boolean isAboveData(final long pos);
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@Shadow protected abstract boolean lightOnInSection(final long sectionPos);
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@Override
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public void processRemoveLightData(final long cPos)
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{
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for (int y = -1; y < 17; ++y)
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{
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final long sectionPos = SectionPos.asLong(SectionPos.x(cPos), y, SectionPos.z(cPos));
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this.sectionsToAddSourcesTo.remove(sectionPos);
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this.sectionsToRemoveSourcesFrom.remove(sectionPos);
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this.sectionsWithSources.remove(sectionPos);
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}
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}
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@Override
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public void processRelight(final LayerLightEngine<?, ?> lightProvider, final long cPos)
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{
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final DynamicGraphMinFixedPoint_resetChunkInterface levelPropagator = (DynamicGraphMinFixedPoint_resetChunkInterface) lightProvider;
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for (int y = -1; y < 17; ++y)
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{
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final long sectionPos = SectionPos.asLong(SectionPos.x(cPos), y, SectionPos.z(cPos));
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final long pos = BlockPos.asLong(SectionPos.sectionToBlockCoord(SectionPos.x(sectionPos)), SectionPos.sectionToBlockCoord(y), SectionPos.sectionToBlockCoord(SectionPos.z(sectionPos)));
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if (!this.storingLightForSection(sectionPos))
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continue;
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for (final Direction dir : Direction.Plane.HORIZONTAL)
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{
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long neighborCeilingSectionPos = SectionPos.offset(sectionPos, dir);
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final DataLayer neighborLightArray = this.getDataLayerData(neighborCeilingSectionPos);
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DataLayer neighborCeilingLightArray = neighborLightArray;
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while (neighborCeilingLightArray == null && !this.isAboveData(neighborCeilingSectionPos))
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{
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neighborCeilingSectionPos = SectionPos.offset(neighborCeilingSectionPos, Direction.UP);
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neighborCeilingLightArray = this.getDataLayerData(neighborCeilingSectionPos);
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}
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final int ox = 15 * Math.max(dir.getStepX(), 0);
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final int oz = 15 * Math.max(dir.getStepZ(), 0);
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final int dx = Math.abs(dir.getStepZ());
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final int dz = Math.abs(dir.getStepX());
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int emptyLightLevel = (neighborCeilingLightArray == null)
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? (this.lightOnInSection(SectionPos.getZeroNode(neighborCeilingSectionPos)) ? 0 : 15)
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: 0;
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int neighbourY = (neighborLightArray == null)
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? SectionPos.sectionToBlockCoord(SectionPos.y(neighborCeilingSectionPos))
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: 0;
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for (int t = 0; t < 16; ++t)
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for (int dy = 0; dy < 16; ++dy)
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{
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final long dst = BlockPos.offset(pos, ox + t * dx, dy, oz + t * dz);
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long src = BlockPos.offset(dst, dir);
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long adj_src = (neighborLightArray != null)
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? src
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: BlockPos.asLong(BlockPos.getX(src), neighbourY, BlockPos.getZ(src));
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final int srcLevel = neighborCeilingLightArray != null
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? ((ChunkLightProviderInterface) lightProvider).callGetCurrentLevelFromSection(neighborCeilingLightArray, adj_src)
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: emptyLightLevel;
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levelPropagator.cmInvokeUpdateLevel(src, dst, levelPropagator.cmCallGetPropagatedLevel(src, dst, srcLevel), true);
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}
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}
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}
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}
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}
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