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move ChunkInterpolator to noise chunk generator addon

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dfsek
2021-12-04 18:19:03 -07:00
parent 0818f943b1
commit af53987fbd
3 changed files with 1 additions and 5 deletions
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48
common/api/core/src/main/java/com/dfsek/terra/api/world/chunk/generation/util/math/ChunkInterpolator.java
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@@ -1,48 +0,0 @@
/*
* Copyright (c) 2020-2021 Polyhedral Development
*
* The Terra API is licensed under the terms of the MIT License. For more details,
* reference the LICENSE file in the common/api directory.
*/
package com.dfsek.terra.api.world.chunk.generation.util.math;
import java.util.Map;
import com.dfsek.terra.api.util.mutable.MutableInteger;
import com.dfsek.terra.api.world.biome.GenerationSettings;
public interface ChunkInterpolator {
default double computeNoise(Map<GenerationSettings, MutableInteger> gens, double x, double y, double z) {
double n = 0;
double div = 0;
for(Map.Entry<GenerationSettings, MutableInteger> entry : gens.entrySet()) {
GenerationSettings gen = entry.getKey();
int weight = entry.getValue().get();
double noise = computeNoise(gen, x, y, z);
n += noise * weight;
div += gen.getWeight() * weight;
}
return n / div;
}
double computeNoise(GenerationSettings generationSettings, double x, double y, double z);
/**
* Gets the noise at a pair of internal chunk coordinates.
*
* @param x The internal X coordinate (0-15).
* @param z The internal Z coordinate (0-15).
*
* @return double - The interpolated noise at the coordinates.
*/
double getNoise(double x, double y, double z);
default double getNoise(int x, int y,
int z) { // Floating-point modulus operations are expensive. This allows implementations to optionally handle
// integers separately.
return getNoise((double) x, y, z);
}
}