137 lines
4.6 KiB
Java
137 lines
4.6 KiB
Java
package net.minecraft.world.level.levelgen;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import java.util.List;
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import java.util.concurrent.CompletableFuture;
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import java.util.stream.Collectors;
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import java.util.stream.StreamSupport;
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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.core.Holder.Reference;
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import net.minecraft.core.registries.BuiltInRegistries;
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import net.minecraft.resources.RegistryOps;
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import net.minecraft.server.level.WorldGenRegion;
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import net.minecraft.util.Mth;
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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.NoiseColumn;
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import net.minecraft.world.level.StructureManager;
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import net.minecraft.world.level.WorldGenLevel;
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import net.minecraft.world.level.biome.Biome;
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import net.minecraft.world.level.biome.BiomeManager;
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import net.minecraft.world.level.biome.Biomes;
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import net.minecraft.world.level.biome.FixedBiomeSource;
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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.ChunkGenerator;
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import net.minecraft.world.level.levelgen.blending.Blender;
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public class DebugLevelSource extends ChunkGenerator {
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public static final MapCodec<DebugLevelSource> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(RegistryOps.retrieveElement(Biomes.PLAINS)).apply(instance, instance.stable(DebugLevelSource::new))
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);
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private static final int BLOCK_MARGIN = 2;
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/**
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* A list of all valid block states.
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*/
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private static final List<BlockState> ALL_BLOCKS = (List<BlockState>)StreamSupport.stream(BuiltInRegistries.BLOCK.spliterator(), false)
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.flatMap(block -> block.getStateDefinition().getPossibleStates().stream())
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.collect(Collectors.toList());
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private static final int GRID_WIDTH = Mth.ceil(Mth.sqrt(ALL_BLOCKS.size()));
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private static final int GRID_HEIGHT = Mth.ceil((float)ALL_BLOCKS.size() / GRID_WIDTH);
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protected static final BlockState AIR = Blocks.AIR.defaultBlockState();
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protected static final BlockState BARRIER = Blocks.BARRIER.defaultBlockState();
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public static final int HEIGHT = 70;
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public static final int BARRIER_HEIGHT = 60;
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public DebugLevelSource(Reference<Biome> biome) {
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super(new FixedBiomeSource(biome));
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}
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@Override
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protected MapCodec<? extends ChunkGenerator> codec() {
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return CODEC;
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}
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@Override
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public void buildSurface(WorldGenRegion level, StructureManager structureManager, RandomState random, ChunkAccess chunk) {
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}
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@Override
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public void applyBiomeDecoration(WorldGenLevel level, ChunkAccess chunk, StructureManager structureManager) {
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BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();
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ChunkPos chunkPos = chunk.getPos();
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int i = chunkPos.x;
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int j = chunkPos.z;
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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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int m = SectionPos.sectionToBlockCoord(i, k);
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int n = SectionPos.sectionToBlockCoord(j, l);
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level.setBlock(mutableBlockPos.set(m, 60, n), BARRIER, 2);
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BlockState blockState = getBlockStateFor(m, n);
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level.setBlock(mutableBlockPos.set(m, 70, n), blockState, 2);
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}
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}
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}
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@Override
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public CompletableFuture<ChunkAccess> fillFromNoise(Blender blender, RandomState randomState, StructureManager structureManager, ChunkAccess chunk) {
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return CompletableFuture.completedFuture(chunk);
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}
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@Override
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public int getBaseHeight(int x, int z, Heightmap.Types type, LevelHeightAccessor level, RandomState random) {
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return 0;
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}
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@Override
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public NoiseColumn getBaseColumn(int x, int z, LevelHeightAccessor height, RandomState random) {
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return new NoiseColumn(0, new BlockState[0]);
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}
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@Override
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public void addDebugScreenInfo(List<String> info, RandomState random, BlockPos pos) {
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}
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public static BlockState getBlockStateFor(int chunkX, int chunkZ) {
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BlockState blockState = AIR;
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if (chunkX > 0 && chunkZ > 0 && chunkX % 2 != 0 && chunkZ % 2 != 0) {
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chunkX /= 2;
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chunkZ /= 2;
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if (chunkX <= GRID_WIDTH && chunkZ <= GRID_HEIGHT) {
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int i = Mth.abs(chunkX * GRID_WIDTH + chunkZ);
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if (i < ALL_BLOCKS.size()) {
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blockState = (BlockState)ALL_BLOCKS.get(i);
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}
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}
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}
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return blockState;
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}
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@Override
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public void applyCarvers(WorldGenRegion level, long seed, RandomState random, BiomeManager biomeManager, StructureManager structureManager, ChunkAccess chunk) {
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}
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@Override
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public void spawnOriginalMobs(WorldGenRegion level) {
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}
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@Override
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public int getMinY() {
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return 0;
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}
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@Override
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public int getGenDepth() {
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return 384;
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}
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@Override
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public int getSeaLevel() {
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return 63;
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}
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}
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