/// <summary>
/// Link all adjacent walkable areas to the area a given tile belongs to.
/// For example, link the end of a path to the room belonging to a door.
/// </summary>
/// <param name="tile"></param>
public void ConnectAreas(Tile tile)
{
foreach (Tile adj in Dungeon.GetAdjacentTiles(tile))
{
if (Tile.IsWalkable(adj.Space))
{
tile.Area.ConnectTo(adj.Area);
}
}
}
/// <summary>
/// Commits a stack of wrapped corridor tiles to the dungeon.
/// </summary>
/// <param name="path"></param>
public void CarveCorridor(Stack <CorridorTile> path)
{
// Unwrap the tiles in the stack to populate a set
HashSet <Tile> tiles = new HashSet <Tile>();
foreach (CorridorTile wrappedTile in path)
{
tiles.Add(wrappedTile.Tile);
}
// Get an existing Path object if there is one; otherwise make a new object
Area area;
List <Tile> adjacentPaths = Dungeon.GetAdjacentTilesOfType(path.Peek().Tile, Space.Path);
if (adjacentPaths.Count > 0)
{
area = adjacentPaths[0].Area;
}
else
{
area = new Path();
area.InitializeArea();
}
// Connect the *end* of the path to any adjacent Area objects
Tile end = path.Peek().Tile;
end.Area = area;
ConnectAreas(end);
// Finally begin carving the corridor
CorridorTile head = null;
while (path.Count > 0)
{
head = path.Pop();
tiles.Remove(head.Tile);
List <Tile> adjacents = Dungeon.GetAdjacentTiles(head.Tile, head.From.Tile);
foreach (Tile adjacent in adjacents)
{
if (tiles.Contains(adjacent))
{
// Loops exists, trim it
while (path.Peek().Tile != adjacent)
{
Tile remove = path.Pop().Tile;
tiles.Remove(remove);
}
}
}
head.Tile.Space = Space.Path;
head.Tile.Area = area;
}
// Connect the *start* of the path to the room it came from
ConnectAreas(head.Tile);
}