public Tile GetRandomTile()
{
int row = DungeonGenerator.Rng.Next(FirstRow, FirstRow + Height);
int col = DungeonGenerator.Rng.Next(FirstCol, FirstCol + Width);
return(Dungeon.GetTile(row, col));
}
/// <summary>
/// Determines if a room can be placed where it is, or if it must be discarded.
/// Notably, all open tiles in the room must be rock.
/// The walls of this room can overlap with walls of other rooms.
/// </summary>
/// <returns></returns>
public bool CanRoomFit()
{
// Is origin corner within the dungeon?
if (!Dungeon.IsTileWithinDungeon(Outer.FirstRow, Outer.FirstCol))
{
return(false);
}
// Is far corner within the dungeon?
if (!Dungeon.IsTileWithinDungeon(Outer.FirstRow + Outer.Height - 1,
Outer.FirstCol + Outer.Width - 1))
{
return(false);
}
// Does the room including outer walls overlap with anything?
int rowToStop = Outer.FirstRow + Outer.Height;
int colToStop = Outer.FirstCol + Outer.Width;
for (int row = Outer.FirstRow; row < rowToStop; row++)
{
for (int col = Outer.FirstCol; col < colToStop; col++)
{
// Existing room wall tiles are allowed to overlap
// This allows walls to be shared by rooms
if (Dungeon.GetTile(row, col).Space != Space.Rock &&
Dungeon.GetTile(row, col).Space != Space.Wall)
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Finds all tiles surrounding the walkable room space.
/// Also initializes the tiles' direction -- walls face outward.
/// Corners are excluded.
/// </summary>
public void FindWallLocations()
{
walls = new List <Tile>();
Tile tile;
for (int row = FirstRow; row < FirstRow + Height; row++)
{
tile = Dungeon.GetTile(row, Outer.FirstCol);
tile.Direction = Direction.Left;
walls.Add(tile);
tile = Dungeon.GetTile(row, Outer.FirstCol + Outer.Width - 1);
tile.Direction = Direction.Right;
walls.Add(tile);
}
for (int col = FirstCol; col < FirstCol + Width; col++)
{
tile = Dungeon.GetTile(Outer.FirstRow, col);
tile.Direction = Direction.Up;
walls.Add(tile);
tile = Dungeon.GetTile(Outer.FirstRow + Outer.Height - 1, col);
tile.Direction = Direction.Down;
walls.Add(tile);
}
}