118 lines
4.8 KiB
Java
118 lines
4.8 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.util.math.BlockPos;
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import net.minecraft.util.math.ChunkSectionPos;
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import net.minecraft.util.math.Direction;
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import net.minecraft.world.LightType;
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import net.minecraft.world.chunk.ChunkNibbleArray;
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import net.minecraft.world.chunk.ChunkProvider;
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import net.minecraft.world.chunk.light.BlockLightStorage.Data;
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import net.minecraft.world.chunk.light.ChunkLightProvider;
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import net.minecraft.world.chunk.light.LightStorage;
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import net.minecraft.world.chunk.light.SkyLightStorage;
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@Mixin(SkyLightStorage.class)
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public abstract class SkyLightStorage_scarpetChunkCreationMixin extends LightStorage<Data> implements LightStorageInterface
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{
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protected SkyLightStorage_scarpetChunkCreationMixin(final LightType lightType, final ChunkProvider chunkProvider, final Data 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 sectionsToUpdate;
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@Shadow
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@Final
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private LongSet sectionsToRemove;
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@Shadow
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@Final
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private LongSet field_15820;
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@Shadow protected abstract boolean isAtOrAboveTopmostSection(final long pos);
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@Shadow protected abstract boolean isSectionEnabled(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 = ChunkSectionPos.asLong(ChunkSectionPos.unpackX(cPos), y, ChunkSectionPos.unpackZ(cPos));
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this.sectionsToUpdate.remove(sectionPos);
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this.sectionsToRemove.remove(sectionPos);
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this.field_15820.remove(sectionPos);
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}
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}
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@Override
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public void processRelight(final ChunkLightProvider<?, ?> lightProvider, final long cPos)
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{
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final LevelPropagator_resetChunkInterface levelPropagator = (LevelPropagator_resetChunkInterface) lightProvider;
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for (int y = -1; y < 17; ++y)
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{
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final long sectionPos = ChunkSectionPos.asLong(ChunkSectionPos.unpackX(cPos), y, ChunkSectionPos.unpackZ(cPos));
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final long pos = BlockPos.asLong(ChunkSectionPos.getBlockCoord(ChunkSectionPos.unpackX(sectionPos)), ChunkSectionPos.getBlockCoord(y), ChunkSectionPos.getBlockCoord(ChunkSectionPos.unpackZ(sectionPos)));
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if (!this.hasSection(sectionPos))
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continue;
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for (final Direction dir : Direction.Type.HORIZONTAL)
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{
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long neighborCeilingSectionPos = ChunkSectionPos.offset(sectionPos, dir);
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final ChunkNibbleArray neighborLightArray = this.getLightSection(neighborCeilingSectionPos);
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ChunkNibbleArray neighborCeilingLightArray = neighborLightArray;
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while (neighborCeilingLightArray == null && !this.isAtOrAboveTopmostSection(neighborCeilingSectionPos))
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{
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neighborCeilingSectionPos = ChunkSectionPos.offset(neighborCeilingSectionPos, Direction.UP);
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neighborCeilingLightArray = this.getLightSection(neighborCeilingSectionPos);
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}
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final int ox = 15 * Math.max(dir.getOffsetX(), 0);
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final int oz = 15 * Math.max(dir.getOffsetZ(), 0);
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final int dx = Math.abs(dir.getOffsetZ());
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final int dz = Math.abs(dir.getOffsetX());
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int emptyLightLevel = (neighborCeilingLightArray == null)
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? (this.isSectionEnabled(ChunkSectionPos.withZeroY(neighborCeilingSectionPos)) ? 0 : 15)
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: 0;
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int neighbourY = (neighborLightArray == null)
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? ChunkSectionPos.getBlockCoord(ChunkSectionPos.unpackY(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.add(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.unpackLongX(src), neighbourY, BlockPos.unpackLongZ(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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