Files
fabric-carpet/src/main/java/carpet/mixins/SkyLightStorage_scarpetChunkCreationMixin.java
T

110 lines
4.5 KiB
Java

package carpet.mixins;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import carpet.fakes.ChunkLightProviderInterface;
import carpet.fakes.LightStorageInterface;
import it.unimi.dsi.fastutil.longs.LongSet;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.ChunkSectionPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.LightType;
import net.minecraft.world.chunk.ChunkNibbleArray;
import net.minecraft.world.chunk.ChunkProvider;
import net.minecraft.world.chunk.light.BlockLightStorage.Data;
import net.minecraft.world.chunk.light.ChunkLightProvider;
import net.minecraft.world.chunk.light.LightStorage;
import net.minecraft.world.chunk.light.SkyLightStorage;
@Mixin(SkyLightStorage.class)
public abstract class SkyLightStorage_scarpetChunkCreationMixin extends LightStorage<Data> implements LightStorageInterface
{
protected SkyLightStorage_scarpetChunkCreationMixin(final LightType lightType, final ChunkProvider chunkProvider, final Data lightData)
{
super(lightType, chunkProvider, lightData);
}
@Shadow
@Final
private LongSet sectionsToUpdate;
@Shadow
@Final
private LongSet sectionsToRemove;
@Shadow
@Final
private LongSet field_15820;
@Shadow protected abstract boolean isAtOrAboveTopmostSection(final long pos);
@Shadow protected abstract boolean isSectionEnabled(final long sectionPos);
@Override
public void processRemoveLightData(final long cPos)
{
for (int y = -1; y < 17; ++y)
{
final long sectionPos = ChunkSectionPos.asLong(ChunkSectionPos.unpackX(cPos), y, ChunkSectionPos.unpackZ(cPos));
this.sectionsToUpdate.remove(sectionPos);
this.sectionsToRemove.remove(sectionPos);
this.field_15820.remove(sectionPos);
}
}
@Override
public void processRelight(final ChunkLightProvider<?, ?> lightProvider, final long cPos)
{
final LevelPropagator_resetChunkInterface levelPropagator = (LevelPropagator_resetChunkInterface) lightProvider;
for (int y = -1; y < 17; ++y)
{
final long sectionPos = ChunkSectionPos.asLong(ChunkSectionPos.unpackX(cPos), y, ChunkSectionPos.unpackZ(cPos));
final long pos = BlockPos.asLong(ChunkSectionPos.getBlockCoord(ChunkSectionPos.unpackX(sectionPos)), ChunkSectionPos.getBlockCoord(y), ChunkSectionPos.getBlockCoord(ChunkSectionPos.unpackZ(sectionPos)));
if (!this.hasSection(sectionPos))
continue;
for (final Direction dir : Direction.Type.HORIZONTAL)
{
long neighborCeilingSectionPos = ChunkSectionPos.offset(sectionPos, dir);
final ChunkNibbleArray neighborLightArray = this.getLightSection(neighborCeilingSectionPos);
ChunkNibbleArray neighborCeilingLightArray = neighborLightArray;
while (neighborCeilingLightArray == null && !this.isAtOrAboveTopmostSection(neighborCeilingSectionPos))
{
neighborCeilingSectionPos = ChunkSectionPos.offset(neighborCeilingSectionPos, Direction.UP);
neighborCeilingLightArray = this.getLightSection(neighborCeilingSectionPos);
}
final int ox = 15 * Math.max(dir.getOffsetX(), 0);
final int oz = 15 * Math.max(dir.getOffsetZ(), 0);
final int dx = Math.abs(dir.getOffsetZ());
final int dz = Math.abs(dir.getOffsetX());
for (int t = 0; t < 16; ++t)
for (int dy = 0; dy < 16; ++dy)
{
final long dst = BlockPos.add(pos, ox + t * dx, dy, oz + t * dz);
long src = BlockPos.offset(dst, dir);
if (neighborLightArray == null)
src = BlockPos.asLong(BlockPos.unpackLongX(src), ChunkSectionPos.getBlockCoord(ChunkSectionPos.unpackY(neighborCeilingSectionPos)), BlockPos.unpackLongZ(src));
final int srcLevel = neighborCeilingLightArray != null ?
((ChunkLightProviderInterface) lightProvider).callGetCurrentLevelFromSection(neighborCeilingLightArray, src)
: this.isSectionEnabled(ChunkSectionPos.withZeroY(neighborCeilingSectionPos)) ? 0 : 15;
levelPropagator.cmInvokeUpdateLevel(src, dst, levelPropagator.cmCallGetPropagatedLevel(src, dst, srcLevel), true);
}
}
}
}
}