package com.hypixel.hytale.builtin.hytalegenerator.density.nodes;
import com.hypixel.hytale.builtin.hytalegenerator.density.Density;
import com.hypixel.hytale.builtin.hytalegenerator.threadindexer.WorkerIndexer;
import com.hypixel.hytale.math.vector.Vector3d;
import javax.annotation.Nonnull;
public class CacheDensity extends Density {
private final WorkerIndexer.Data<Cache> threadData;
@Nonnull
private Density input;
public CacheDensity(@Nonnull Density input, int threadCount) {
this.input = input;
this.threadData = new WorkerIndexer.Data<Cache>(threadCount, Cache::new);
}
public double process(@Nonnull Density.Context context) {
Cache cache = this.threadData.get(context.workerId);
if (cache.position != null && cache.position.x == context.position.x && cache.position.y == context.position.y && cache.position.z == context.position.z) {
return cache.value;
} else {
if (cache.position == null) {
cache.position = new Vector3d();
}
cache.position.assign(context.position);
cache.value = this.input.process(context);
return cache.value;
}
}
public void setInputs(@Nonnull Density[] inputs) {
assert inputs.length != 0;
assert inputs[0] != null;
this.input = inputs[0];
}
private static class Cache {
Vector3d position;
double value;
private Cache() {
}
}
}