// Calculates climate value from 4 cached values
// Use relative positions here
public override int GetLerpedClimateAt(double posX, double posZ, int[] climateCache, int sizeX)
{
int posXInt = (int)(posX);
int posZInt = (int)(posZ);
return(GameMath.BiSerpRgbColor(
(float)(posX - posXInt),
(float)(posZ - posZInt),
climateCache[posZInt * sizeX + posXInt],
climateCache[posZInt * sizeX + posXInt + 1],
climateCache[(posZInt + 1) * sizeX + posXInt],
climateCache[(posZInt + 1) * sizeX + posXInt + 1]
));
}
// Calculates interpolated climate value from anew
public override int GetLerpedClimateAt(double posX, double posZ)
{
int posXInt = (int)posX;
int posZInt = (int)posZ;
InitPositionSeed(posXInt, posZInt);
int leftTop = GetRandomClimate();
InitPositionSeed(posXInt + 1, posZInt);
int rightTop = GetRandomClimate();
InitPositionSeed(posXInt, posZInt + 1);
int leftBottom = GetRandomClimate();
InitPositionSeed(posXInt + 1, posZInt + 1);
int rightBottom = GetRandomClimate();
return(GameMath.BiSerpRgbColor((float)(posX - posXInt), (float)(posZ - posZInt), leftTop, rightTop, leftBottom, rightBottom));
}