private float[] GenerateHeightMap(Biome[] biomes, int chunkX, int chunkZ)
{
int minX = (chunkX * 16) - 1;
int minZ = (chunkZ * 16) - 1;
var maxX = ((chunkX + 1) << 4) - 1;
var maxZ = ((chunkZ + 1) << 4) - 1;
int cx = (chunkX * 16);
int cz = (chunkZ * 16);
float q11 = MathHelpers.Abs(WaterLevel + (128f * biomes[0].MaxHeight) * _mainNoise.GetValue(minX, minZ));
float q12 = MathHelpers.Abs(WaterLevel + (128f * biomes[15].MaxHeight) * _mainNoise.GetValue(minX, maxZ));
float q21 = MathHelpers.Abs(WaterLevel + (128f * biomes[240].MaxHeight) * _mainNoise.GetValue(maxX, minZ));
float q22 = MathHelpers.Abs(WaterLevel + (128f * biomes[255].MaxHeight) * _mainNoise.GetValue(maxX, maxZ));
/*float q11 = WaterLevel + 128f * MathHelpers.Abs(_mainNoise.GetValue(minX, minZ));
* float q12 = WaterLevel + 128f * MathHelpers.Abs(_mainNoise.GetValue(minX, maxZ));
*
* float q21 = WaterLevel + 128f * MathHelpers.Abs(_mainNoise.GetValue(maxX, minZ));
* float q22 = WaterLevel + 128f * MathHelpers.Abs(_mainNoise.GetValue(maxX, maxZ));*/
float[] heightMap = new float[16 * 16];
for (int x = 0; x < 16; x++)
{
float rx = cx + x;
for (int z = 0; z < 16; z++)
{
float rz = cz + z;
var baseNoise = MathHelpers.BilinearCmr(
rx, rz,
q11,
q12,
q21,
q22,
minX, maxX, minZ, maxZ);
heightMap[(x << 4) + z] = baseNoise; //WaterLevel + ((128f * baseNoise));
}
}
return(heightMap);
}
