/// <summary>
/// Generate a tilemap from the given file.
/// </summary>
/// <param name="filepath">The path to a text file.</param>
/// <returns>A tilemap generated from the given filepath.</returns>
public static Tile[,] TilesFromFile(string filepath)
{
StreamReader reader = new StreamReader(filepath);
String line = reader.ReadLine();
Tile[,] tiles = new Tile[ROOM_WIDTH, ROOM_HEIGHT];
int x = 0, y = 0;
while (line != null)
{
line.Trim().Replace(" ", "");
foreach (string tile in line.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries))
{
tiles[x, y] = Tile.FromString(tile);
++x;
}
++y;
}
return tiles;
}
/// <summary>
/// Sets the tile at the given coordinates to the given tile.
/// </summary>
/// <param name="col">The x-coordinate of the new tile, relative to other tiles.</param>
/// <param name="row">The y-coordinate of the new tile, relative to other tiles.</param>
/// <param name="tiletype">The new tile.</param>
private void SetTile(int col, int row, TileType tiletype)
{
Tile tile = new Tile(new Vector2(col * TILESIZE, row * TILESIZE), tiletype);
if (ValidRow(row) && ValidCol(col))
{
if (tiles == null) tiles = new Tile[Width, Height];
tiles[col, row] = tile;
// determine the part of the map that has not been rendered yet,
// based on this new unrendered tile and the other tiles that have not been rendered.
float pixelX = col * TILESIZE;
float pixelY = row * TILESIZE;
if (unrenderedRegion == Rectangle.Empty)
unrenderedRegion = new Rectangle((int)pixelX, (int)pixelY, TILESIZE, TILESIZE);
else
{
float smallerX = Math.Min(pixelX, unrenderedRegion.X);
float largerX = Math.Max(pixelX, unrenderedRegion.X);
float smallerY = Math.Min(pixelY, unrenderedRegion.Y);
float largerY = Math.Max(pixelY, unrenderedRegion.Y);
unrenderedRegion = new Rectangle((int)smallerX, (int)smallerY,
(int)(largerX - smallerX + TILESIZE), (int)(largerY - smallerY + TILESIZE));
}
}
}
public Room(Tile[,] tiles) :
this(tiles.GetLength(0), tiles.GetLength(1), new List<Direction>())
{
this.tiles = tiles;
}