void GenerateHeightMap(DiamondSquare.CornerData corners, double range, double h, double amplify)
{
// +1 for diamond square
var heightMap = new ArrayGrid2D <double>(m_size.Width + 1, m_size.Height + 1);
double min, max;
DiamondSquare.Render(heightMap, corners, range, h, m_random, out min, out max);
Parallel.For(0, m_size.Height, y =>
{
double d = max - min;
for (int x = 0; x < m_size.Width; ++x)
{
var v = heightMap[x, y];
// normalize to 0.0 - 1.0
v = (v - min) / d;
// amplify
v = Math.Pow(v, amplify);
// adjust
v *= m_size.Depth / 2;
v += m_size.Depth / 2 - 1;
m_data.SetSurfaceLevel(x, y, MyMath.Round(v));
}
});
}
public void Generate(DiamondSquare.CornerData corners, double range, double h, double amplify)
{
GenerateHeightMap(corners, range, h, amplify);
FillMap();
var random = m_random;
var terrain = m_data;
double xk = (random.NextDouble() * 2 - 1) * 0.01;
double yk = (random.NextDouble() * 2 - 1) * 0.01;
TerrainHelpers.CreateBaseMinerals(terrain, random, xk, yk);
TerrainHelpers.CreateOreVeins(terrain, random, xk, yk);
TerrainHelpers.CreateOreClusters(terrain, random);
if (m_data.Width > 128)
{
var riverGen = new RiverGen(m_data, m_random);
if (riverGen.CreateRiverPath())
{
riverGen.AdjustRiver();
}
else
{
Trace.TraceError("Failed to create river");
}
}
int soilLimit = m_size.Depth * 4 / 5;
TerrainHelpers.CreateSoil(m_data, soilLimit);
}
static TerrainData CreateTerrain(IntSize3 size)
{
//var random = Helpers.Random;
var random = new Random(1);
var terrain = new TerrainData(size);
var tg = new TerrainGenerator(terrain, random);
var corners = new DiamondSquare.CornerData()
{
NE = 15,
NW = 10,
SW = 10,
SE = 10,
};
tg.Generate(corners, 5, 0.75, 2);
int grassLimit = terrain.Depth * 4 / 5;
TerrainHelpers.CreateVegetation(terrain, random, grassLimit);
return terrain;
}
void Generate()
{
var corners = new DiamondSquare.CornerData()
{
NW = ParseDouble(cornerNWTextBox.Text),
NE = ParseDouble(cornerNETextBox.Text),
SE = ParseDouble(cornerSETextBox.Text),
SW = ParseDouble(cornerSWTextBox.Text),
};
//m_terrainGen.Generate(corners, this.RangeValue, this.HValue, this.Seed, this.Amplify);
m_terrainGen.Generate(this.Seed);
}