public float rNoise(RTGWorld rtgWorld, int x, int y, float border, float river)
{
// we now have both lakes and rivers lowering land
if (noWaterFeatures)
{
float borderForRiver = border * 2;
if (borderForRiver > 1f)
{
borderForRiver = 1;
}
river = 1f - (1f - borderForRiver) * (1f - river);
return(terrain.generateNoise(rtgWorld, x, y, border, river));
}
float lakeStrength = lakePressure(rtgWorld, x, y, border);
float _lakeFlattening = lakeFlattening(lakeStrength, lakeShoreLevel, lakeDepressionLevel);
// we add some flattening to the rivers. The lakes are pre-flattened.
float riverFlattening = river * 1.25f - 0.25f;
if (riverFlattening < 0)
{
riverFlattening = 0;
}
if ((river < 1) && (_lakeFlattening < 1))
{
riverFlattening = (1f - riverFlattening) / riverFlattening + (1f - _lakeFlattening) / _lakeFlattening;
riverFlattening = (1f / (riverFlattening + 1f));
}
else if (_lakeFlattening < riverFlattening)
{
riverFlattening = _lakeFlattening;
}
// the lakes have to have a little less flattening to avoid the rocky edges
_lakeFlattening = lakeFlattening(lakeStrength, lakeWaterLevel, lakeDepressionLevel);
if ((river < 1) && (_lakeFlattening < 1))
{
river = (1f - river) / river + (1f - _lakeFlattening) / _lakeFlattening;
river = (1f / (river + 1f));
}
else if (_lakeFlattening < river)
{
river = _lakeFlattening;
}
// flatten terrain to set up for the water features
float terrainNoise = terrain.generateNoise(rtgWorld, x, y, border, riverFlattening);
// place water features
return(this.erodedNoise(rtgWorld, x, y, river, border, terrainNoise, _lakeFlattening));
}
public bool compareTerrain(RTGWorld rtgWorld, TerrainBase oldTerrain)
{
OpenSimplexNoise simplex = new OpenSimplexNoise(4444);
SimplexCellularNoise cell = new SimplexCellularNoise(4444);
Random rand = new Random(4444);
float oldNoise;
TerrainBase newTerrain = this.initTerrain();
float newNoise;
for (int x = -64; x <= 64; x++)
{
for (int z = -64; z <= 64; z++)
{
oldNoise = oldTerrain.generateNoise(rtgWorld, x, z, 0.5f, 0.5f);
newNoise = newTerrain.generateNoise(rtgWorld, x, z, 0.5f, 0.5f);
//Logger.info("%s (%d) = oldNoise = %f | newNoise = %f", this.baseBiome.getBiomeName(), Biome.getIdForBiome(this.baseBiome), oldNoise, newNoise);
if (oldNoise != newNoise)
{
throw new Exception(
"Terrains do not match in biome ID " + this.baseBiome.getBiomeID() + " (" + this.baseBiome.ToString() + ")."
);
}
}
}
return(true);
}