private GameArea(int width, int height)
{
tiles = new GameTile[width, height];
Width = width;
Height = height;
}
/// <summary>
/// Generates new room
/// </summary>
/// <param name="rnd">Random generator to use</param>
/// <param name="walls">Bit mask for determining where generator must provide walls and where not.</param>
/// <returns></returns>
public static GameArea Generate(Random rnd, GeneratorParameters parameters)
{
int initialChance = parameters.InitialChance;
Walls walls = parameters.Walls;
int w = parameters.Width, h = parameters.Height;
log.Info("Generaing new Area...");
bool[,] sp = new bool[w, h], dp = new bool[w, h];
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
sp[i, j] = rnd.Next(1000) < initialChance;
}
}
bool[,] mask = new bool[w, h];
int wallWidth = parameters.WallWidth;
int maskPercentage = parameters.MaskChance;
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
if ((walls & Walls.North) != Walls.None && j < wallWidth)
{
if (j == 0 || rnd.Next(100) < maskPercentage)
{
mask[i, j] = true;
}
}
if ((walls & Walls.East) != Walls.None && i > w - 1 - wallWidth)
{
if (i == w - 1 || rnd.Next(100) < maskPercentage)
{
mask[i, j] = true;
}
}
if ((walls & Walls.South) != Walls.None && j > h - 1 - wallWidth)
{
if (j == h - 1 || rnd.Next(100) < maskPercentage)
{
mask[i, j] = true;
}
}
if ((walls & Walls.West) != Walls.None && i < wallWidth)
{
if (i == 0 || rnd.Next(100) < maskPercentage)
{
mask[i, j] = true;
}
}
}
}
//var inp = w / 2 - 2;
for (int i = 0; i < parameters.PassCount; i++)
{
for (int j = 0; j < w; j++)
{
for (int k = 0; k < h; k++)
{
int nwc = GetNeighbourgs(new Vector2(j, k)).Select((_) =>
GetTileFromBoolMap(sp, _, parameters.WallForcing ? walls : Walls.All)).Where((_) => _).Count();
if (nwc >= 5 || (parameters.Smoothing && i == parameters.PassCount - 1 && (nwc >= 2)))
{
dp[j, k] = true;
}
else
{
dp[j, k] = false;
}
}
}
if (i != parameters.PassCount - 1)
{
for (int j = 0; j < w; j++)
{
for (int k = 0; k < h; k++)
{
dp[j, k] |= mask[j, k];
}
}
}
sp = dp;
dp = new bool[w, h];
}
var r = new GameArea(w, h);
int wallNumber = 0;
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
bool wall = sp[i, j];
if (wall)
{
wallNumber++;
}
r[i, j] = new GameTile(wall);
}
}
log.DebugFormat("wallRatio: {0}", (double)wallNumber / (w * h));
/*
* int c = 12+rnd.Next(4);
* for (int i = 0; i < c; i++)
* {
* Vector2 p = new Vector2(rnd.Next(r.Width), rnd.Next(r.Height));
* int rad = 2 + rnd.Next(10);
* foreach (var t in r.EnumTiles().Where((_) => (p - _).Length() <= rad))
* r[t] = new GameTile(true);
* }*/
log.Info("Done generating");
return(r);
}