public static float WaterCoverage(object _map)
{
if (_map == null || !(_map is DSWorld))
{
Debug.Log("Incorrect input");
return(0f);
}
DSWorld world = (DSWorld)_map;
float count = 0f;
float total = world.elevation.GetLength(0) * world.elevation.GetLength(1);
for (int i = 0; i < world.elevation.GetLength(0); i++)
{
for (int j = 0; j < world.elevation.GetLength(1); j++)
{
if (!GTLim(i, j, world.elevation, world.waterLimit))
{
count++;
}
}
}
return(count / total);
}
public static float Fragmentation(object _map)
{
if (_map == null || !(_map is DSWorld))
{
Debug.Log("Incorrect input");
return(0f);
}
DSWorld world = (DSWorld)_map;
int numContinents = 0;
List <int> sizes = new List <int>();
//Flood fill to discover continents
bool[,] marked = new bool[world.elevation.GetLength(0), world.elevation.GetLength(1)];
for (int i = 0; i < marked.GetLength(0); i++)
{
for (int j = 0; j < marked.GetLength(1); j++)
{
if (!GTLim(i, j, world.elevation, world.waterLimit) || marked[i, j])
{
continue;
}
//Start a flood fill from here.
List <int[]> openList = new List <int[]>();
List <int[]> closedList = new List <int[]>();
openList.Add(new int[] { i, j });
int size = 0;
numContinents++;
while (openList.Count > 0)
{
int[] c = openList[0];
openList.RemoveAt(0);
closedList.Add(c);
marked[c[0], c[1]] = true;
size++;
AddNeighbours(world.elevation, world.waterLimit, c[0], c[1], openList, closedList);
// Debug.Log("Openlist: "+openList.Count);
}
sizes.Add(size);
Debug.Log("Found a continent of size " + size);
}
}
float total = 0;
foreach (float t in sizes)
{
total += t;
}
return((total / (float)sizes.Count) / (world.elevation.GetLength(0) * world.elevation.GetLength(1)));
}
public DSWorld GenerateDSWorld()
{
randomSeed = Random.Range(0, 1000);
DSWorld w = new DSWorld(mapsize);
w.deepWaterLimit = this.waterLimit - 40;
w.waterLimit = this.waterLimit;
w.plainsLimit = this.plainsLimit;
w.hillsLimit = this.hillsLimit;
w.mountainLimit = this.mountainLimit;
// deepWaterColor = HexToColor("729E9A");
// shallowWaterColor = HexToColor("B2CCDD");
// beachColor = HexToColor("DBD2BF");
// plainsColor = HexToColor("A4B87F");
// hillsColor = HexToColor("756354");
// snowColor = Color.white;
float[,] data = new float[mapsize, mapsize];
data[0, 0] = randomSeed;
data[0, mapsize - 1] = randomSeed;
data[mapsize - 1, 0] = randomSeed;
data[mapsize - 1, mapsize - 1] = randomSeed;
float h = 255;
int sideLength = mapsize - 1;
int iteration = 0;
while (sideLength >= 2)
{
iteration++;
int halfSide = (int)(sideLength / 2);
int x = 0;
while (x < mapsize - 1)
{
int y = 0;
while (y < mapsize - 1)
{
float avg = data[x, y] + data[x + sideLength, y] + data[x, y + sideLength] + data[x + sideLength, y + sideLength];
avg /= 4f;
data[x + halfSide, y + halfSide] = ((int)(avg + (Random.Range(0f, 1f) * 2 * h) - h) + 255) % 255;
y = y + sideLength;
}
x = x + sideLength;
}
x = 0;
while (x < mapsize - 1)
{
int y = (int)((x + halfSide) % sideLength);
while (y < mapsize - 1)
{
float avg = data[(x - halfSide + (mapsize - 1)) % (mapsize - 1), y] + data[(x + halfSide) % (mapsize - 1), y] + data[x, (y + halfSide) % (mapsize - 1)] + data[x, (y - halfSide + (mapsize - 1)) % (mapsize - 1)];
avg /= 4f;
avg = avg + (Random.Range(0f, 1f) * 2 * h) - h;
data[x, y] = ((int)(avg) + 255) % 255;
if (x == 0)
{
data[mapsize - 1, y] = ((int)(avg) + 255) % 255;
}
if (y == 0)
{
data[x, mapsize - 1] = ((int)(avg) + 255) % 255;
}
y = y + sideLength;
}
x = x + halfSide;
}
sideLength = (int)(sideLength / 2);
if (iteration > 1)
{
h = (int)(h * randChangeFactor);
}
}
//Elevation data complete
w.elevation = data;
return(w);
}
public Texture2D Visualise(object _w, Texture2D target)
{
DSWorld w = (DSWorld)_w;
//scale factor
//not really sure how to handle varying output size yet in danesh so for now we just overshoot slightly
int sf = 2;
target = new Texture2D(mapsize * sf, mapsize * sf, TextureFormat.ARGB32, false);
if (sf < 0)
{
//Do something to fix the problem...? Sure.
}
for (int i = 0; i < w.elevation.GetLength(0); i++)
{
for (int j = 0; j < w.elevation.GetLength(1); j++)
{
Color c = beachColor;
float v = w.elevation[i, j];
//Select a colour
if (v < waterLimit - 40)
{
c = deepWaterColor;
}
else if (v < waterLimit)
{
c = shallowWaterColor;
}
else if (v < waterLimit + 5)
{
c = beachColor;
}
else if (v < plainsLimit)
{
// if(temp_data[i][j] < -5):
// col = white;
// elif(temp_data[i][j] < 5):
// if(random.randint(0, 255)/float(255) > (temp_data[i][j]+5)/float(10)):
// col = white
// else:
// col = grass;
// else:
c = plainsColor;
}
else if (v < hillsLimit && v < mountainLimit)
{
c = hillsColor;
}
else
{
c = snowColor;
}
VisUtils.PaintPoint(target, i, j, sf, c);
// target.SetPixel(i, j, new Color(v/255f, v/255f, v/255f, 1f));
// target.SetPixel(i, j, c);
}
}
target.Apply();
return(target);
}
