minecraft-src/net/minecraft/world/level/levelgen/DebugLevelSource.java
2025-07-04 03:45:38 +03:00

137 lines
4.6 KiB
Java

package net.minecraft.world.level.levelgen;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import net.minecraft.core.BlockPos;
import net.minecraft.core.SectionPos;
import net.minecraft.core.Holder.Reference;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.resources.RegistryOps;
import net.minecraft.server.level.WorldGenRegion;
import net.minecraft.util.Mth;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.LevelHeightAccessor;
import net.minecraft.world.level.NoiseColumn;
import net.minecraft.world.level.StructureManager;
import net.minecraft.world.level.WorldGenLevel;
import net.minecraft.world.level.biome.Biome;
import net.minecraft.world.level.biome.BiomeManager;
import net.minecraft.world.level.biome.Biomes;
import net.minecraft.world.level.biome.FixedBiomeSource;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.chunk.ChunkAccess;
import net.minecraft.world.level.chunk.ChunkGenerator;
import net.minecraft.world.level.levelgen.blending.Blender;
public class DebugLevelSource extends ChunkGenerator {
public static final MapCodec<DebugLevelSource> CODEC = RecordCodecBuilder.mapCodec(
instance -> instance.group(RegistryOps.retrieveElement(Biomes.PLAINS)).apply(instance, instance.stable(DebugLevelSource::new))
);
private static final int BLOCK_MARGIN = 2;
/**
* A list of all valid block states.
*/
private static final List<BlockState> ALL_BLOCKS = (List<BlockState>)StreamSupport.stream(BuiltInRegistries.BLOCK.spliterator(), false)
.flatMap(block -> block.getStateDefinition().getPossibleStates().stream())
.collect(Collectors.toList());
private static final int GRID_WIDTH = Mth.ceil(Mth.sqrt(ALL_BLOCKS.size()));
private static final int GRID_HEIGHT = Mth.ceil((float)ALL_BLOCKS.size() / GRID_WIDTH);
protected static final BlockState AIR = Blocks.AIR.defaultBlockState();
protected static final BlockState BARRIER = Blocks.BARRIER.defaultBlockState();
public static final int HEIGHT = 70;
public static final int BARRIER_HEIGHT = 60;
public DebugLevelSource(Reference<Biome> biome) {
super(new FixedBiomeSource(biome));
}
@Override
protected MapCodec<? extends ChunkGenerator> codec() {
return CODEC;
}
@Override
public void buildSurface(WorldGenRegion level, StructureManager structureManager, RandomState random, ChunkAccess chunk) {
}
@Override
public void applyBiomeDecoration(WorldGenLevel level, ChunkAccess chunk, StructureManager structureManager) {
BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();
ChunkPos chunkPos = chunk.getPos();
int i = chunkPos.x;
int j = chunkPos.z;
for (int k = 0; k < 16; k++) {
for (int l = 0; l < 16; l++) {
int m = SectionPos.sectionToBlockCoord(i, k);
int n = SectionPos.sectionToBlockCoord(j, l);
level.setBlock(mutableBlockPos.set(m, 60, n), BARRIER, 2);
BlockState blockState = getBlockStateFor(m, n);
level.setBlock(mutableBlockPos.set(m, 70, n), blockState, 2);
}
}
}
@Override
public CompletableFuture<ChunkAccess> fillFromNoise(Blender blender, RandomState randomState, StructureManager structureManager, ChunkAccess chunk) {
return CompletableFuture.completedFuture(chunk);
}
@Override
public int getBaseHeight(int x, int z, Heightmap.Types type, LevelHeightAccessor level, RandomState random) {
return 0;
}
@Override
public NoiseColumn getBaseColumn(int x, int z, LevelHeightAccessor height, RandomState random) {
return new NoiseColumn(0, new BlockState[0]);
}
@Override
public void addDebugScreenInfo(List<String> info, RandomState random, BlockPos pos) {
}
public static BlockState getBlockStateFor(int chunkX, int chunkZ) {
BlockState blockState = AIR;
if (chunkX > 0 && chunkZ > 0 && chunkX % 2 != 0 && chunkZ % 2 != 0) {
chunkX /= 2;
chunkZ /= 2;
if (chunkX <= GRID_WIDTH && chunkZ <= GRID_HEIGHT) {
int i = Mth.abs(chunkX * GRID_WIDTH + chunkZ);
if (i < ALL_BLOCKS.size()) {
blockState = (BlockState)ALL_BLOCKS.get(i);
}
}
}
return blockState;
}
@Override
public void applyCarvers(WorldGenRegion level, long seed, RandomState random, BiomeManager biomeManager, StructureManager structureManager, ChunkAccess chunk) {
}
@Override
public void spawnOriginalMobs(WorldGenRegion level) {
}
@Override
public int getMinY() {
return 0;
}
@Override
public int getGenDepth() {
return 384;
}
@Override
public int getSeaLevel() {
return 63;
}
}