public static float[,] GenerateHeightMapLookup(int width, int height)
{
float[,] toReturn = new float[width, height];
const float mountainWidth = 0.04f;
const float continentSize = 0.03f;
const float hillSize = 0.1f;
const float smallNoiseSize = 0.15f;
const float cliffHeight = 0.1f;
const float invCliffHeight = 1.0f / cliffHeight;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
float mountain = (float)Math.Pow(OverworldImageOperations.noise(heightNoise, x, y, 0, mountainWidth), 1);
float continent = OverworldImageOperations.noise(heightNoise, x, y, 10, continentSize);
float hill = OverworldImageOperations.noise(heightNoise, x, y, 20, hillSize) * 0.02f;
float smallnoise = OverworldImageOperations.noise(heightNoise, x, y, 100, smallNoiseSize) * 0.01f;
float cliffs = OverworldImageOperations.noise(heightNoise, x, y, 200, continentSize) + 0.5f;
float h = OverworldImageOperations.pow(OverworldImageOperations.clamp((continent * mountain) + hill, 0, 1), 1);
h += smallnoise;
h += 0.4f;
h = ((int)(h * invCliffHeight)) * cliffHeight;
toReturn[x, y] = h;
}
}
return(toReturn);
}
public void CreateHeightFromLookup(float[,] lookup)
{
for (int x = 0; x < Map.GetLength(0); x++)
{
for (int y = 0; y < Map.GetLength(1); y++)
{
Map[x, y].Height = OverworldImageOperations.clamp(lookup[x, y], 0, 1);
}
}
}
public void CreateHeightFromLookupWithErosion(float[,] lookup)
{
for (int x = 0; x < Map.GetLength(0); x++)
{
for (int y = 0; y < Map.GetLength(1); y++)
{
float h = lookup[x, y];
Vector2 vec = new Vector2(x, y);
h *= LinearInterpolate(vec, OverworldField.Faults);
h += LinearInterpolate(vec, OverworldField.Weathering);
h *= LinearInterpolate(vec, OverworldField.Erosion);
Map[x, y].Height = OverworldImageOperations.clamp(h, 0, 1);
}
}
}
public float GetValueAt(Vector3 worldPos, OverworldField fieldType, Vector2 origin)
{
Vector2 v = WorldToOverworld(worldPos, origin);
return(OverworldImageOperations.GetValue(Map, v, fieldType));
}
public float GetOverworldValueAt(int OverworldX, int OverworldY, OverworldField fieldType)
{
return(OverworldImageOperations.GetValue(Map, new Vector2(OverworldX, OverworldY), fieldType));
}