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Add getHeight method to ChunkData (#12311)

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Shane Bee 2025-03-23 16:33:34 -07:00 committed by GitHub
parent f225858235
commit 7819df10a4
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GPG Key ID: B5690EEEBB952194
3 changed files with 30 additions and 1 deletions
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14
paper-api/src/main/java/org/bukkit/generator/ChunkGenerator.java
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@ -14,6 +14,7 @@ import org.bukkit.block.data.BlockData;
import org.bukkit.material.MaterialData;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.Range;
/**
* A chunk generator is responsible for the initial shaping of an entire
@ -777,5 +778,18 @@ public abstract class ChunkGenerator {
*/
@Deprecated(since = "1.8.8")
public byte getData(int x, int y, int z);
/**
* Get the current height of a position in the chunk data.
* <p>This will differ based on which state generation of the chunk is currently at.
* If for example the chunk is in the generate surface stage,
* this will return what was already generated in the noise stage.</p>
*
* @param heightMap Heightmap to determine where to grab height
* @param x the x location in the chunk from 0-15 inclusive
* @param z the z location in the chunk from 0-15 inclusive
* @return Y coordinate at highest position
*/
int getHeight(@NotNull HeightMap heightMap, @Range(from = 0L, to = 15L) int x, @Range(from = 0L, to = 15L) int z);
}
}

11
paper-server/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java
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@ -8,12 +8,13 @@ import net.minecraft.world.level.block.EntityBlock;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.chunk.ChunkAccess;
import org.bukkit.HeightMap;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.Biome;
import org.bukkit.block.data.BlockData;
import org.bukkit.craftbukkit.CraftHeightMap;
import org.bukkit.craftbukkit.block.CraftBiome;
import org.bukkit.craftbukkit.block.CraftBlockType;
import org.bukkit.craftbukkit.block.data.CraftBlockData;
import org.bukkit.craftbukkit.util.CraftMagicNumbers;
import org.bukkit.generator.ChunkGenerator;
@ -180,4 +181,12 @@ public final class CraftChunkData implements ChunkGenerator.ChunkData {
access.removeBlockEntity(blockPosition);
}
}
@Override
public int getHeight(final HeightMap heightMap, final int x, final int z) {
Preconditions.checkArgument(heightMap != null, "HeightMap cannot be null");
Preconditions.checkArgument(x >= 0 && x <= 15 && z >= 0 && z <= 15, "Cannot get height outside of a chunks bounds, must be between 0 and 15, got x: %s, z: %s", x, z);
return getHandle().getHeight(CraftHeightMap.toNMS(heightMap), x, z);
}
}

6
paper-server/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
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@ -8,6 +8,7 @@ import net.minecraft.core.Registry;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.chunk.LevelChunkSection;
import org.bukkit.HeightMap;
import org.bukkit.Material;
import org.bukkit.block.Biome;
import org.bukkit.block.data.BlockData;
@ -200,4 +201,9 @@ public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
Set<BlockPos> getLights() {
return this.lights;
}
@Override
public int getHeight(HeightMap heightMap, final int x, final int z) {
throw new UnsupportedOperationException("Unsupported, in older chunk generator api");
}
}