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/*
* Copyright (c) 2018-2019 bartimaeusnek Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following
* conditions: The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package bartworks.util.NoiseUtil;
import java.util.Random;
import bartworks.API.INoiseGen;
import bartworks.util.MathUtils;
import gregtech.api.objects.XSTR;
public class BartsNoise implements INoiseGen {
public void setUsePhase(boolean usePhase) {
this.usePhase = usePhase;
}
public void setRandom(Random random) {
this.random = random;
}
boolean usePhase;
int octaves;
double frequency;
double amplitude;
long seed;
Random random;
public enum NoiseColor {
Red(-1),
Pink(-0.5),
White(0),
Blue(0.5),
Violet(1);
NoiseColor(double num) {
this.ampl = num;
}
double ampl;
public BartsNoise getColoredNoise() {
BartsNoise noise = new BartsNoise();
noise.setAmplitude(this.ampl);
return noise;
}
}
public BartsNoise(int octaves, double frequency, double amplitude, long seed) {
this.octaves = octaves;
this.frequency = frequency;
this.amplitude = amplitude;
this.seed = seed;
this.random = new XSTR(seed);
}
public BartsNoise() {
this.seed = new XSTR().nextLong();
this.random = new XSTR(this.seed);
this.octaves = 1;
this.frequency = this.random.nextGaussian();
this.amplitude = this.random.nextGaussian();
}
public BartsNoise(long seed) {
this.seed = seed;
this.random = new XSTR(seed);
this.octaves = 1;
this.frequency = this.random.nextGaussian();
this.amplitude = this.random.nextGaussian();
}
public BartsNoise copy() {
return new BartsNoise(this.octaves, this.frequency, this.amplitude, this.seed);
}
public BartsNoise copy(long seed) {
return new BartsNoise(this.octaves, this.frequency, this.amplitude, seed);
}
public double getCosNoise(double x, double y) {
double pr = x * this.frequency;
double r1 = Math.cos(pr);
if (r1 < 0) r1 = Math.abs(r1);
double result = Math.pow(r1, this.amplitude);
double pr2 = y * this.frequency;
double r2 = Math.cos(pr2);
if (r2 < 0) r2 = Math.abs(r2);
double result2 = Math.pow(r2, this.amplitude);
result *= result2;
if (result == Double.POSITIVE_INFINITY) result = Double.MAX_VALUE;
if (result == Double.NEGATIVE_INFINITY) result = Double.MIN_VALUE;
return MathUtils.wrap(result, 1D);
}
double getNonOctavedNoise(double x, double y) {
double phase = SimplexNoise
.noise(Math.pow(x * this.frequency, this.amplitude), Math.pow(y * this.frequency, this.amplitude));
return MathUtils.wrap(phase, 1);
}
public double getNeighbouringNoise(int x, int y) {
return (this.getNoiseSingle(x - 1, y - 1) + this.getNoiseSingle(x, y - 1)
+ this.getNoiseSingle(x - 1, y)
+ this.getNoiseSingle(x + 1, y)
+ this.getNoiseSingle(x, y + 1)
+ this.getNoiseSingle(x + 1, y + 1)
+ this.getNoiseSingle(x - 1, y + 1)
+ this.getNoiseSingle(x + 1, y - 1)) / 8;
}
public double getNoiseSingle(int x, int y) {
double result = 0;
for (double i = 1; i <= this.octaves; i++) {
result += 1d / i * this.getNonOctavedNoise(i * x, i * y);
}
return result;
}
@Override
public double getNoise(int x, int y) {
double result = 0;
for (double i = 1; i <= this.octaves; i++) {
result += 1d / i * this.getNonOctavedNoise(i * x, y);
}
// result = (this.getNeighbouringNoise(x,y)+result)/2;
return MathUtils.wrap(result, 1D);
}
@Override
public double[][] getNoiseForRegion(int xStart, int zStart, int xEnd, int zEnd) {
// double[][] results = new double[Math.abs(xEnd)-Math.abs(xStart)][Math.abs(zEnd)-Math.abs(zStart)];
// for (int i = xStart; i < xEnd; i++) {
// for (int j = zStart; j < zEnd; j++) {
// results
// }
// }
return new double[0][0];
}
@Override
public void setAmplitude(double amplitude) {
this.amplitude = amplitude;
}
@Override
public void setOctaves(int octaves) {
this.octaves = octaves;
}
@Override
public void setFrequency(double freq) {
this.frequency = freq;
}
@Override
public void setSeed(long seed) {
this.seed = seed;
}
}
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