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