public PlanetSurface(int sizeX, int sizeY, GameData data, Random rng)
{
TileGrid = new Tile[sizeX, sizeY];
ProceduralHeightmap map = new ProceduralHeightmap(sizeX, sizeY, -2000, 6000, 0.55, 0.0, true, false);
map.Generate(rng);
for (int x = 0; x < sizeX; x++)
{
for (int y = 0; y < sizeY; y++)
{
int altitude = (int)map.Altitude[x, y];// +rng.Next(-500, 500);
Tile tile = new Tile(this, x, y, altitude, data.Biomes["Grass"], rng);
TileGrid[x, y] = tile;
if (altitude > 0)
{
if (tile.Temperature <= 0)
{
tile.SetBiome(data.Biomes["Snow"], rng);
}
else if (altitude > 2000)
{
tile.SetBiome(data.Biomes["Rock"], rng);
}
//else if (tile.Temperature >= 25)
// tile.SetBiome(data.Biomes["Steppe"], rng);
}
else
{
if (tile.Temperature >= -2)
{
tile.SetBiome(data.Biomes["Sea"], rng);
}
else
{
tile.SetBiome(data.Biomes["Ice"], rng);
}
}
}
}
foreach (Tile tile in TileGrid)
{
tile.InitializeNeighbors();
}
}
public void Regenerate(int width, int height, Random random)
{
Creatures.Clear();
ProceduralHeightmap heightmap = new ProceduralHeightmap(width, height, 0, 1, 0.65, 0.05, false, false, false);
heightmap.Generate(random);
Tiles = new Tile[width, height];
for (ushort x = 0; x < width; x++)
{
for (ushort y = 0; y < height; y++)
{
Terrain terrain = Mods.Terrains["Grass"];
double altitude = heightmap.GetAltitude(x, y);
if (altitude < 0)
{
terrain = Mods.Terrains["Water"];
}
else if (altitude > 0.5)
{
terrain = Mods.Terrains["Rock"];
}
else if (altitude < 0.1 || random.NextDouble() < 0.25)
{
terrain = Mods.Terrains["Dirt"];
}
Tiles[x, y] = new Tile(this, x, y, terrain, random);
if (terrain != Mods.Terrains["Water"] && random.NextDouble() < 0.01)
{
Creatures.Add(new Creature(this, x, y, random));
}
}
}
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Tiles[x, y].InitializeNeighbors();
}
}
}
public void GeneratePlanet()
{
if (Map != null)
{
Map.Dispose();
}
Map = new Texture2D(Game.GraphicsDevice, Width, Height);
Color[] data = new Color[Width * Height];
/*
* double[,] heightmap = new DiamondSquare(RNG, Width, Height, 1, 0.7, true, false).GenerateHeightmap();
* //heightmap = HydraulicErosion(heightmap, 2);
* double heightmapWidth = heightmap.GetUpperBound(0);
* double heightmapHeight = heightmap.GetUpperBound(1);
* double widthRatio = heightmapWidth / (double)Width;
* double heightRatio = heightmapHeight / (double)Height;
*/
int baseHeight = -500;
int altitudeScale = 2500;
int latitudeBonus = -1000;
int sealevel = 0;// RNG.Next(-10000, 10000);
ProceduralHeightmap planet = new ProceduralHeightmap(Width, Height, baseHeight, altitudeScale, 0.65, 0.1, true, false, false);
//ProceduralPlanet planet = new ProceduralPlanet(Width, Height, baseHeight, altitudeScale, 0.65, 0.1);
planet.Generate(RNG);
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
/*
* int x2 = (int)Math.Round((x) * widthRatio);
* int y2 = (int)Math.Round((y) * heightRatio);
*/
double latitude = (double)Math.Abs(y * 2 - Height) / Height;
double altitude = baseHeight + planet.GetAltitude(x, y) + latitude * latitudeBonus;
double temperature = 30 - 70 * latitude * latitude - 0.01 * altitude;
if (altitude > sealevel)
{
if (temperature > -0)
{
if (altitude > 2000)
{
data[x + y * Width] = Color.SlateGray * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
//else if (altitude > 3000)
// data[x + y * Width] = Color.BurlyWood * (float)((altitude + altitudeScale) / (altitudeScale * 2));
//else if (altitude > 1000)
// data[x + y * Width] = Color.YellowGreen * (float)((altitude + altitudeScale) / (altitudeScale * 2));
//else if (altitude < 100)
// data[x + y * Width] = Color.SandyBrown * (float)((altitude + altitudeScale) / (altitudeScale * 2));
else
{
data[x + y * Width] = Color.ForestGreen * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
}
else
{
data[x + y * Width] = Color.Snow * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
}
else
{
//if (altitude > -1000 && temperature > 20)
// data[x + y * Width] = Color.DarkCyan * (float)((altitude + altitudeScale) / (altitudeScale));
//else if (temperature > 0)
if (temperature > -0)
{
data[x + y * Width] = Color.Navy * (float)((altitude + altitudeScale) / (altitudeScale));
}
else
{
//data[x + y * Width] = Color.DarkCyan * (float)((altitude / 2 + altitudeScale) / (altitudeScale));
data[x + y * Width] = Color.Snow * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
}
}
}
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
data[x + y * Width] = ColorExtensions.Average(GetColors(data, x, y));
}
}
Map.SetData(data);
}
