497 lines
16 KiB
Java
497 lines
16 KiB
Java
package net.minecraft.world.level.chunk;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Sets;
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import com.mojang.logging.LogUtils;
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import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
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import it.unimi.dsi.fastutil.longs.LongSet;
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import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
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import it.unimi.dsi.fastutil.shorts.ShortArrayList;
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import it.unimi.dsi.fastutil.shorts.ShortList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.EnumSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.Map.Entry;
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import java.util.function.BiConsumer;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import java.util.function.Supplier;
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import net.minecraft.CrashReport;
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import net.minecraft.CrashReportCategory;
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import net.minecraft.CrashReportDetail;
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import net.minecraft.ReportedException;
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import net.minecraft.SharedConstants;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.core.HolderLookup;
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import net.minecraft.core.QuartPos;
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import net.minecraft.core.Registry;
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import net.minecraft.core.SectionPos;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.util.Mth;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.level.ChunkPos;
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import net.minecraft.world.level.LevelHeightAccessor;
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import net.minecraft.world.level.biome.Biome;
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import net.minecraft.world.level.biome.BiomeGenerationSettings;
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import net.minecraft.world.level.biome.BiomeResolver;
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import net.minecraft.world.level.biome.BiomeManager.NoiseBiomeSource;
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import net.minecraft.world.level.biome.Climate.Sampler;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.chunk.status.ChunkStatus;
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import net.minecraft.world.level.gameevent.GameEventListenerRegistry;
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import net.minecraft.world.level.levelgen.BelowZeroRetrogen;
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import net.minecraft.world.level.levelgen.Heightmap;
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import net.minecraft.world.level.levelgen.NoiseChunk;
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import net.minecraft.world.level.levelgen.blending.BlendingData;
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import net.minecraft.world.level.levelgen.structure.Structure;
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import net.minecraft.world.level.levelgen.structure.StructureStart;
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import net.minecraft.world.level.lighting.ChunkSkyLightSources;
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import net.minecraft.world.level.material.Fluid;
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import net.minecraft.world.ticks.SavedTick;
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import net.minecraft.world.ticks.TickContainerAccess;
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import org.jetbrains.annotations.Nullable;
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import org.slf4j.Logger;
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public abstract class ChunkAccess implements NoiseBiomeSource, LightChunk, StructureAccess {
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public static final int NO_FILLED_SECTION = -1;
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private static final Logger LOGGER = LogUtils.getLogger();
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private static final LongSet EMPTY_REFERENCE_SET = new LongOpenHashSet();
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protected final ShortList[] postProcessing;
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private volatile boolean unsaved;
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private volatile boolean isLightCorrect;
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protected final ChunkPos chunkPos;
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private long inhabitedTime;
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@Nullable
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@Deprecated
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private BiomeGenerationSettings carverBiomeSettings;
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@Nullable
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protected NoiseChunk noiseChunk;
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protected final UpgradeData upgradeData;
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@Nullable
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protected BlendingData blendingData;
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protected final Map<Heightmap.Types, Heightmap> heightmaps = Maps.newEnumMap(Heightmap.Types.class);
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protected ChunkSkyLightSources skyLightSources;
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private final Map<Structure, StructureStart> structureStarts = Maps.<Structure, StructureStart>newHashMap();
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private final Map<Structure, LongSet> structuresRefences = Maps.<Structure, LongSet>newHashMap();
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protected final Map<BlockPos, CompoundTag> pendingBlockEntities = Maps.<BlockPos, CompoundTag>newHashMap();
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protected final Map<BlockPos, BlockEntity> blockEntities = new Object2ObjectOpenHashMap<>();
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protected final LevelHeightAccessor levelHeightAccessor;
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protected final LevelChunkSection[] sections;
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public ChunkAccess(
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ChunkPos chunkPos,
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UpgradeData upgradeData,
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LevelHeightAccessor levelHeightAccessor,
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Registry<Biome> biomeRegistry,
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long inhabitedTime,
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@Nullable LevelChunkSection[] sections,
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@Nullable BlendingData blendingData
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) {
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this.chunkPos = chunkPos;
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this.upgradeData = upgradeData;
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this.levelHeightAccessor = levelHeightAccessor;
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this.sections = new LevelChunkSection[levelHeightAccessor.getSectionsCount()];
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this.inhabitedTime = inhabitedTime;
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this.postProcessing = new ShortList[levelHeightAccessor.getSectionsCount()];
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this.blendingData = blendingData;
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this.skyLightSources = new ChunkSkyLightSources(levelHeightAccessor);
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if (sections != null) {
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if (this.sections.length == sections.length) {
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System.arraycopy(sections, 0, this.sections, 0, this.sections.length);
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} else {
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LOGGER.warn("Could not set level chunk sections, array length is {} instead of {}", sections.length, this.sections.length);
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}
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}
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replaceMissingSections(biomeRegistry, this.sections);
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}
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private static void replaceMissingSections(Registry<Biome> biomeRegistry, LevelChunkSection[] sections) {
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for (int i = 0; i < sections.length; i++) {
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if (sections[i] == null) {
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sections[i] = new LevelChunkSection(biomeRegistry);
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}
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}
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}
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public GameEventListenerRegistry getListenerRegistry(int sectionY) {
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return GameEventListenerRegistry.NOOP;
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}
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@Nullable
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public BlockState setBlockState(BlockPos pos, BlockState state) {
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return this.setBlockState(pos, state, 3);
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}
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@Nullable
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public abstract BlockState setBlockState(BlockPos pos, BlockState state, int flags);
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public abstract void setBlockEntity(BlockEntity blockEntity);
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public abstract void addEntity(Entity entity);
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public int getHighestFilledSectionIndex() {
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LevelChunkSection[] levelChunkSections = this.getSections();
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for (int i = levelChunkSections.length - 1; i >= 0; i--) {
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LevelChunkSection levelChunkSection = levelChunkSections[i];
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if (!levelChunkSection.hasOnlyAir()) {
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return i;
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}
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}
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return -1;
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}
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@Deprecated(
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forRemoval = true
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)
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public int getHighestSectionPosition() {
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int i = this.getHighestFilledSectionIndex();
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return i == -1 ? this.getMinY() : SectionPos.sectionToBlockCoord(this.getSectionYFromSectionIndex(i));
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}
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public Set<BlockPos> getBlockEntitiesPos() {
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Set<BlockPos> set = Sets.<BlockPos>newHashSet(this.pendingBlockEntities.keySet());
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set.addAll(this.blockEntities.keySet());
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return set;
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}
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public LevelChunkSection[] getSections() {
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return this.sections;
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}
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public LevelChunkSection getSection(int index) {
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return this.getSections()[index];
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}
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public Collection<Entry<Heightmap.Types, Heightmap>> getHeightmaps() {
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return Collections.unmodifiableSet(this.heightmaps.entrySet());
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}
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public void setHeightmap(Heightmap.Types type, long[] data) {
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this.getOrCreateHeightmapUnprimed(type).setRawData(this, type, data);
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}
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public Heightmap getOrCreateHeightmapUnprimed(Heightmap.Types type) {
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return (Heightmap)this.heightmaps.computeIfAbsent(type, types -> new Heightmap(this, types));
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}
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public boolean hasPrimedHeightmap(Heightmap.Types type) {
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return this.heightmaps.get(type) != null;
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}
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public int getHeight(Heightmap.Types type, int x, int z) {
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Heightmap heightmap = (Heightmap)this.heightmaps.get(type);
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if (heightmap == null) {
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if (SharedConstants.IS_RUNNING_IN_IDE && this instanceof LevelChunk) {
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LOGGER.error("Unprimed heightmap: " + type + " " + x + " " + z);
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}
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Heightmap.primeHeightmaps(this, EnumSet.of(type));
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heightmap = (Heightmap)this.heightmaps.get(type);
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}
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return heightmap.getFirstAvailable(x & 15, z & 15) - 1;
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}
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public ChunkPos getPos() {
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return this.chunkPos;
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}
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@Nullable
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@Override
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public StructureStart getStartForStructure(Structure structure) {
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return (StructureStart)this.structureStarts.get(structure);
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}
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@Override
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public void setStartForStructure(Structure structure, StructureStart structureStart) {
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this.structureStarts.put(structure, structureStart);
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this.markUnsaved();
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}
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public Map<Structure, StructureStart> getAllStarts() {
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return Collections.unmodifiableMap(this.structureStarts);
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}
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public void setAllStarts(Map<Structure, StructureStart> structureStarts) {
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this.structureStarts.clear();
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this.structureStarts.putAll(structureStarts);
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this.markUnsaved();
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}
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@Override
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public LongSet getReferencesForStructure(Structure structure) {
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return (LongSet)this.structuresRefences.getOrDefault(structure, EMPTY_REFERENCE_SET);
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}
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@Override
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public void addReferenceForStructure(Structure structure, long reference) {
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((LongSet)this.structuresRefences.computeIfAbsent(structure, structurex -> new LongOpenHashSet())).add(reference);
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this.markUnsaved();
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}
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@Override
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public Map<Structure, LongSet> getAllReferences() {
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return Collections.unmodifiableMap(this.structuresRefences);
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}
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@Override
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public void setAllReferences(Map<Structure, LongSet> structureReferencesMap) {
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this.structuresRefences.clear();
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this.structuresRefences.putAll(structureReferencesMap);
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this.markUnsaved();
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}
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public boolean isYSpaceEmpty(int startY, int endY) {
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if (startY < this.getMinY()) {
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startY = this.getMinY();
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}
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if (endY > this.getMaxY()) {
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endY = this.getMaxY();
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}
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for (int i = startY; i <= endY; i += 16) {
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if (!this.getSection(this.getSectionIndex(i)).hasOnlyAir()) {
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return false;
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}
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}
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return true;
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}
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public boolean isSectionEmpty(int y) {
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return this.getSection(this.getSectionIndexFromSectionY(y)).hasOnlyAir();
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}
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public void markUnsaved() {
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this.unsaved = true;
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}
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public boolean tryMarkSaved() {
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if (this.unsaved) {
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this.unsaved = false;
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return true;
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} else {
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return false;
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}
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}
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public boolean isUnsaved() {
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return this.unsaved;
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}
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public abstract ChunkStatus getPersistedStatus();
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public ChunkStatus getHighestGeneratedStatus() {
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ChunkStatus chunkStatus = this.getPersistedStatus();
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BelowZeroRetrogen belowZeroRetrogen = this.getBelowZeroRetrogen();
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if (belowZeroRetrogen != null) {
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ChunkStatus chunkStatus2 = belowZeroRetrogen.targetStatus();
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return ChunkStatus.max(chunkStatus2, chunkStatus);
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} else {
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return chunkStatus;
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}
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}
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public abstract void removeBlockEntity(BlockPos pos);
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public void markPosForPostprocessing(BlockPos pos) {
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LOGGER.warn("Trying to mark a block for PostProcessing @ {}, but this operation is not supported.", pos);
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}
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public ShortList[] getPostProcessing() {
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return this.postProcessing;
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}
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public void addPackedPostProcess(ShortList offsets, int index) {
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getOrCreateOffsetList(this.getPostProcessing(), index).addAll(offsets);
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}
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public void setBlockEntityNbt(CompoundTag tag) {
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BlockPos blockPos = BlockEntity.getPosFromTag(this.chunkPos, tag);
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if (!this.blockEntities.containsKey(blockPos)) {
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this.pendingBlockEntities.put(blockPos, tag);
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}
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}
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@Nullable
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public CompoundTag getBlockEntityNbt(BlockPos pos) {
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return (CompoundTag)this.pendingBlockEntities.get(pos);
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}
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@Nullable
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public abstract CompoundTag getBlockEntityNbtForSaving(BlockPos pos, HolderLookup.Provider registries);
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@Override
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public final void findBlockLightSources(BiConsumer<BlockPos, BlockState> output) {
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this.findBlocks(blockState -> blockState.getLightEmission() != 0, output);
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}
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public void findBlocks(Predicate<BlockState> predicate, BiConsumer<BlockPos, BlockState> output) {
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BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();
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for (int i = this.getMinSectionY(); i <= this.getMaxSectionY(); i++) {
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LevelChunkSection levelChunkSection = this.getSection(this.getSectionIndexFromSectionY(i));
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if (levelChunkSection.maybeHas(predicate)) {
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BlockPos blockPos = SectionPos.of(this.chunkPos, i).origin();
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for (int j = 0; j < 16; j++) {
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for (int k = 0; k < 16; k++) {
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for (int l = 0; l < 16; l++) {
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BlockState blockState = levelChunkSection.getBlockState(l, j, k);
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if (predicate.test(blockState)) {
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output.accept(mutableBlockPos.setWithOffset(blockPos, l, j, k), blockState);
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}
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}
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}
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}
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}
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}
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}
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public abstract TickContainerAccess<Block> getBlockTicks();
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public abstract TickContainerAccess<Fluid> getFluidTicks();
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public boolean canBeSerialized() {
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return true;
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}
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public abstract ChunkAccess.PackedTicks getTicksForSerialization(long gametime);
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public UpgradeData getUpgradeData() {
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return this.upgradeData;
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}
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public boolean isOldNoiseGeneration() {
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return this.blendingData != null;
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}
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@Nullable
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public BlendingData getBlendingData() {
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return this.blendingData;
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}
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public long getInhabitedTime() {
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return this.inhabitedTime;
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}
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public void incrementInhabitedTime(long amount) {
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this.inhabitedTime += amount;
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}
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public void setInhabitedTime(long inhabitedTime) {
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this.inhabitedTime = inhabitedTime;
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}
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public static ShortList getOrCreateOffsetList(ShortList[] packedPositions, int index) {
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if (packedPositions[index] == null) {
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packedPositions[index] = new ShortArrayList();
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}
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return packedPositions[index];
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}
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public boolean isLightCorrect() {
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return this.isLightCorrect;
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}
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public void setLightCorrect(boolean lightCorrect) {
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this.isLightCorrect = lightCorrect;
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this.markUnsaved();
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}
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@Override
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public int getMinY() {
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return this.levelHeightAccessor.getMinY();
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}
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@Override
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public int getHeight() {
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return this.levelHeightAccessor.getHeight();
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}
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public NoiseChunk getOrCreateNoiseChunk(Function<ChunkAccess, NoiseChunk> noiseChunkCreator) {
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if (this.noiseChunk == null) {
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this.noiseChunk = (NoiseChunk)noiseChunkCreator.apply(this);
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}
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return this.noiseChunk;
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}
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@Deprecated
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public BiomeGenerationSettings carverBiome(Supplier<BiomeGenerationSettings> caverBiomeSettingsSupplier) {
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if (this.carverBiomeSettings == null) {
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this.carverBiomeSettings = (BiomeGenerationSettings)caverBiomeSettingsSupplier.get();
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}
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return this.carverBiomeSettings;
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}
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@Override
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public Holder<Biome> getNoiseBiome(int i, int j, int k) {
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try {
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int l = QuartPos.fromBlock(this.getMinY());
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int m = l + QuartPos.fromBlock(this.getHeight()) - 1;
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int n = Mth.clamp(j, l, m);
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int o = this.getSectionIndex(QuartPos.toBlock(n));
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return this.sections[o].getNoiseBiome(i & 3, n & 3, k & 3);
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} catch (Throwable var8) {
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CrashReport crashReport = CrashReport.forThrowable(var8, "Getting biome");
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CrashReportCategory crashReportCategory = crashReport.addCategory("Biome being got");
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crashReportCategory.setDetail("Location", (CrashReportDetail<String>)(() -> CrashReportCategory.formatLocation(this, i, j, k)));
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throw new ReportedException(crashReport);
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}
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}
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public void fillBiomesFromNoise(BiomeResolver resolver, Sampler sampler) {
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ChunkPos chunkPos = this.getPos();
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int i = QuartPos.fromBlock(chunkPos.getMinBlockX());
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int j = QuartPos.fromBlock(chunkPos.getMinBlockZ());
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LevelHeightAccessor levelHeightAccessor = this.getHeightAccessorForGeneration();
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for (int k = levelHeightAccessor.getMinSectionY(); k <= levelHeightAccessor.getMaxSectionY(); k++) {
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LevelChunkSection levelChunkSection = this.getSection(this.getSectionIndexFromSectionY(k));
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int l = QuartPos.fromSection(k);
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levelChunkSection.fillBiomesFromNoise(resolver, sampler, i, l, j);
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}
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}
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public boolean hasAnyStructureReferences() {
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return !this.getAllReferences().isEmpty();
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}
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@Nullable
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public BelowZeroRetrogen getBelowZeroRetrogen() {
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return null;
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}
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public boolean isUpgrading() {
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return this.getBelowZeroRetrogen() != null;
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}
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public LevelHeightAccessor getHeightAccessorForGeneration() {
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return this;
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}
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public void initializeLightSources() {
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this.skyLightSources.fillFrom(this);
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}
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@Override
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public ChunkSkyLightSources getSkyLightSources() {
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return this.skyLightSources;
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}
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public record PackedTicks(List<SavedTick<Block>> blocks, List<SavedTick<Fluid>> fluids) {
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}
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}
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