81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
package net.minecraft.client.renderer.chunk;
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import com.google.common.collect.ImmutableMap;
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import java.util.Map;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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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.core.BlockPos;
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import net.minecraft.world.level.LevelHeightAccessor;
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import net.minecraft.world.level.block.Blocks;
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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.EmptyLevelChunk;
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import net.minecraft.world.level.chunk.LevelChunk;
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import net.minecraft.world.level.chunk.LevelChunkSection;
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import net.minecraft.world.level.chunk.PalettedContainer;
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import net.minecraft.world.level.levelgen.DebugLevelSource;
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import org.jetbrains.annotations.Nullable;
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@Environment(EnvType.CLIENT)
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class SectionCopy {
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private final Map<BlockPos, BlockEntity> blockEntities;
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@Nullable
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private final PalettedContainer<BlockState> section;
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private final boolean debug;
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private final LevelHeightAccessor levelHeightAccessor;
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SectionCopy(LevelChunk chunk, int sectionIndex) {
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this.levelHeightAccessor = chunk;
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this.debug = chunk.getLevel().isDebug();
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this.blockEntities = ImmutableMap.copyOf(chunk.getBlockEntities());
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if (chunk instanceof EmptyLevelChunk) {
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this.section = null;
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} else {
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LevelChunkSection[] levelChunkSections = chunk.getSections();
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if (sectionIndex >= 0 && sectionIndex < levelChunkSections.length) {
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LevelChunkSection levelChunkSection = levelChunkSections[sectionIndex];
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this.section = levelChunkSection.hasOnlyAir() ? null : levelChunkSection.getStates().copy();
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} else {
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this.section = null;
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}
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}
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}
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@Nullable
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public BlockEntity getBlockEntity(BlockPos pos) {
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return (BlockEntity)this.blockEntities.get(pos);
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}
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public BlockState getBlockState(BlockPos pos) {
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int i = pos.getX();
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int j = pos.getY();
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int k = pos.getZ();
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if (this.debug) {
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BlockState blockState = null;
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if (j == 60) {
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blockState = Blocks.BARRIER.defaultBlockState();
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}
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if (j == 70) {
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blockState = DebugLevelSource.getBlockStateFor(i, k);
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}
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return blockState == null ? Blocks.AIR.defaultBlockState() : blockState;
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} else if (this.section == null) {
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return Blocks.AIR.defaultBlockState();
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} else {
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try {
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return this.section.get(i & 15, j & 15, k & 15);
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} catch (Throwable var8) {
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CrashReport crashReport = CrashReport.forThrowable(var8, "Getting block state");
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CrashReportCategory crashReportCategory = crashReport.addCategory("Block being got");
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crashReportCategory.setDetail("Location", (CrashReportDetail<String>)(() -> CrashReportCategory.formatLocation(this.levelHeightAccessor, i, j, k)));
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throw new ReportedException(crashReport);
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}
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}
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}
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}
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