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override chunkregion hashcode

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dfsek
2021-05-02 23:39:40 -07:00
parent 4cd4720101
commit a8c88915ea
1 changed files with 22 additions and 0 deletions
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22
platforms/fabric/src/main/java/com/dfsek/terra/fabric/mixin/world/ChunkRegionWorldMixin.java
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@@ -11,15 +11,22 @@ import com.dfsek.terra.api.platform.world.generator.GeneratorWrapper;
import com.dfsek.terra.api.world.generation.TerraChunkGenerator;
import com.dfsek.terra.fabric.world.block.FabricBlock;
import com.dfsek.terra.fabric.world.generator.FabricChunkGeneratorWrapper;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.ChunkRegion;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Implements;
import org.spongepowered.asm.mixin.Interface;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
@Mixin(ChunkRegion.class)
@Implements(@Interface(iface = World.class, prefix = "terra$"))
public abstract class ChunkRegionWorldMixin {
@Shadow
@Final
private ServerWorld world;
public int terra$getMaxHeight() {
return ((ChunkRegion) (Object) this).getDimensionHeight();
}
@@ -58,4 +65,19 @@ public abstract class ChunkRegionWorldMixin {
public TerraChunkGenerator terra$getTerraGenerator() {
return ((FabricChunkGeneratorWrapper) terra$getGenerator()).getHandle();
}
/**
* We need regions delegating to the same world
* to have the same hashcode. This
* minimizes cache misses.
* <p>
* This is sort of jank, but shouldn't(tm)
* break any other mods, unless they're doing
* something they really shouldn't, since
* ChunkRegions are not supposed to persist.
*/
@Override
public int hashCode() {
return world.hashCode();
}
}