70 lines
2.6 KiB
Java
70 lines
2.6 KiB
Java
/*
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* Decompiled with CFR 0.152.
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*
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* Could not load the following classes:
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* it.unimi.dsi.fastutil.longs.Long2ObjectMap
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* it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap
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* org.jspecify.annotations.Nullable
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*/
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package net.minecraft.world.level.chunk;
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import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
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import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.SectionPos;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.chunk.ChunkAccess;
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import net.minecraft.world.level.chunk.LevelChunkSection;
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import org.jspecify.annotations.Nullable;
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public class BulkSectionAccess
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implements AutoCloseable {
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private final LevelAccessor level;
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private final Long2ObjectMap<LevelChunkSection> acquiredSections = new Long2ObjectOpenHashMap();
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private @Nullable LevelChunkSection lastSection;
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private long lastSectionKey;
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public BulkSectionAccess(LevelAccessor level) {
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this.level = level;
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}
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public @Nullable LevelChunkSection getSection(BlockPos pos) {
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int sectionIndex = this.level.getSectionIndex(pos.getY());
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if (sectionIndex < 0 || sectionIndex >= this.level.getSectionsCount()) {
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return null;
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}
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long sectionKey = SectionPos.asLong(pos);
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if (this.lastSection == null || this.lastSectionKey != sectionKey) {
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this.lastSection = (LevelChunkSection)this.acquiredSections.computeIfAbsent(sectionKey, key -> {
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ChunkAccess chunk = this.level.getChunk(SectionPos.blockToSectionCoord(pos.getX()), SectionPos.blockToSectionCoord(pos.getZ()));
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LevelChunkSection result = chunk.getSection(sectionIndex);
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result.acquire();
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return result;
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});
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this.lastSectionKey = sectionKey;
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}
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return this.lastSection;
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}
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public BlockState getBlockState(BlockPos pos) {
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LevelChunkSection section = this.getSection(pos);
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if (section == null) {
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return Blocks.AIR.defaultBlockState();
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}
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int sectionRelativeX = SectionPos.sectionRelative(pos.getX());
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int sectionRelativeY = SectionPos.sectionRelative(pos.getY());
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int sectionRelativeZ = SectionPos.sectionRelative(pos.getZ());
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return section.getBlockState(sectionRelativeX, sectionRelativeY, sectionRelativeZ);
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}
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@Override
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public void close() {
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for (LevelChunkSection section : this.acquiredSections.values()) {
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section.release();
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}
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}
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}
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