public static Bitmap GetColoredHeightMap(int width, int height, MapData mapData)
{
var bitmap = new Bitmap(width, height);
var tileList = mapData.Tiles.AsList();
var minHeight = tileList.Min(X => X.HeightValue);
var maxHeight = tileList.Max(x => x.HeightValue);
var sealevel = mapData.SeaLevel;
float deepWater = sealevel / 2.0f;
float shallowWater = sealevel;
float landLevel = (1.0f - sealevel);
float sand = sealevel + (landLevel / 6);
float grass = sealevel + (landLevel / 2);
float forest = sealevel + (2 * landLevel / 3);
float rock = sealevel + (5 * landLevel / 6);
float snow = sealevel + landLevel;
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
float value = mapData.Tiles[x, y].HeightValue;
// normalize
//value = (value - minHeight) / (maxHeight - minHeight);
Color color;
//if (value <= deepWater)
//{
// //color = Color.FromArgb(0, 0, 127);
// color = ColorHelpers.Lerp(Color.Black, Color.White, deepWater);
//}
//else if (value <= shallowWater)
//{
// //color = Color.FromArgb(25, 25, 150);
// color = ColorHelpers.Lerp(Color.Black, Color.White, shallowWater);
//}
//else if (value <= sand)
//{
// //color = Color.FromArgb(240, 240, 64);
// color = ColorHelpers.Lerp(Color.Black, Color.White, sand);
//}
//else if (value <= grass)
//{
// //color = Color.FromArgb(50, 220, 20);
// color = ColorHelpers.Lerp(Color.Black, Color.White, grass);
//}
//else if (value <= forest)
//{
// //color = Color.FromArgb(16, 160, 0);
// color = ColorHelpers.Lerp(Color.Black, Color.White, forest);
//}
//else if (value <= rock)
//{
// //color = Color.FromArgb(127, 127, 127);
// color = ColorHelpers.Lerp(Color.Black, Color.White, rock);
//}
//else
//{
// //color = Color.FromArgb(255, 255, 255);
// color = ColorHelpers.Lerp(Color.Black, Color.White, snow);
//}
// Clamps to 7 different color values
int roundedValue = (int)Math.Floor(value * 7);
color = ColorHelpers.Lerp(Color.Black, Color.White, 0.0f, 7.0f, roundedValue);
bitmap.SetPixel(x, y, color);
}
}
return(bitmap);
}
public static Bitmap GetBiomeMap(int width, int height, Tile[,] tiles, float seaLevel)
{
var bitmap = new Bitmap(width, height);
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
Tile tile = tiles[x, y];
Color color;
if (tile.HeightValue > seaLevel)
{
if (tile.IsRiver)
{
float heatValue = tile.HeatValue;
int heatType = GetHeatType(heatValue);
if (heatType == (int)HeatType.Coldest)
{
color = ColorHelpers.Lerp(IceWater, ColdWater, heatValue / ColdestValue);
}
else if (heatType == (int)HeatType.Colder)
{
color = ColorHelpers.Lerp(ColdWater, RiverWater, (heatValue - ColdestValue) / (ColderValue - ColdestValue));
}
else if (heatType == (int)HeatType.Cold)
{
color = ColorHelpers.Lerp(RiverWater, ShallowWater, (heatValue - ColderValue) / (ColdValue - ColderValue));
}
else
{
color = ShallowWater;
}
}
else
{
BiomeType biomeType = GetBiomeType(tile);
switch (biomeType)
{
case BiomeType.Ice:
color = Ice;
break;
case BiomeType.BorealForest:
color = BorealForest;
break;
case BiomeType.Desert:
color = Desert;
break;
case BiomeType.Grassland:
color = Grassland;
break;
case BiomeType.SeasonalForest:
color = SeasonalForest;
break;
case BiomeType.Tundra:
color = Tundra;
break;
case BiomeType.Savanna:
color = Savanna;
break;
case BiomeType.TemperateRainforest:
color = TemperateRainforest;
break;
case BiomeType.TropicalRainforest:
color = TropicalRainforest;
break;
case BiomeType.Woodland:
color = Woodland;
break;
default:
color = Color.Black;
break;
}
}
}
else
{
// Deep
if (tile.HeatValue <= (seaLevel / 2))
{
color = DeepWater;
}
// Shallow
else
{
color = ShallowWater;
}
}
bitmap.SetPixel(x, y, color);
}
}
return(bitmap);
}
