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Implement fauna configuration

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dfsek
2020-09-11 02:25:23 -07:00
parent 7d7705464b
commit a27e50e01b
13 changed files with 328 additions and 47 deletions
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22
src/main/java/com/dfsek/terra/biome/BiomeZone.java
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@@ -13,23 +13,26 @@ public class BiomeZone {
private final World w;
private final FastNoise noise;
private static final Map<World, BiomeZone> zones = new HashMap<>();
private static final double[] normalMap = new double[] {-0.35662081837654114D, -0.30661869049072266D, -0.27095329761505127D, -0.24149227142333984D, -0.21537694334983826D, -0.19166918098926544D, -0.16956785321235657D, -0.14864568412303925D, -0.12845154106616974D, -0.10894706845283508D, -0.08996972441673279D, -0.0715663805603981D, -0.053535036742687225D, -0.03580872714519501D, -0.01817353256046772D, -7.577221258543432E-4D, 0.016616813838481903D, 0.03416096046566963D, 0.05187138542532921D, 0.06989025324583054D, 0.08827653527259827D, 0.10723070055246353D, 0.12675245106220245D, 0.14694781601428986D, 0.16793397068977356D, 0.18999846279621124D, 0.2138010412454605D, 0.24002985656261444D, 0.2696261405944824D, 0.30540621280670166D, 0.35551881790161133D, 0.653269350528717D};
public BiomeZone(World w, float freq) {
this.w = w;
this.noise = new FastNoise((int) w.getSeed()+2);
noise.setNoiseType(FastNoise.NoiseType.Value);
noise.setNoiseType(FastNoise.NoiseType.SimplexFractal);
noise.setFractalOctaves(5);
noise.setFrequency(freq);
setZones(WorldConfig.fromWorld(w).definedGrids);
zones.put(w, this);
}
public void setZones(BiomeGrid[] grids) {
if(grids.length != 16) throw new IllegalArgumentException("Illegal number of grids!");
if(grids.length != 32) throw new IllegalArgumentException("Illegal number of grids!");
this.grids = grids;
}
public BiomeGrid getGrid(int x, int z) {
return grids[normalize(noise.getValue(x, z))];
return grids[normalize(noise.getSimplexFractal(x, z))];
}
public static BiomeZone fromWorld(World w) {
@@ -38,14 +41,15 @@ public class BiomeZone {
}
/**
* Takes a noise input and normalizes it to a value between 0 and 15 inclusive.
* Takes a noise input and normalizes it to a value between 0 and 31 inclusive.
*
* @param i - The noise value to normalize.
* @param d - The noise value to normalize.
* @return int - The normalized value.
*/
private static int normalize(double i) {
if(i > 0) i = Math.pow(i, 0.8125); // Redistribute
else i = -Math.pow(-i, 0.8125); // Redistribute
return Math.min((int) Math.floor((i+1)*8), 15);
public static int normalize(double d) {
for(int i = 0; i < normalMap.length; i++) {
if(d < normalMap[i]) return i;
}
return normalMap.length-1;
}
}