public void FindRooms()
{
var position = Vector3Int.zero;
var bounds = tilemap.cellBounds;
searchedTiles = new Hashtable();
for (int y = bounds.yMin; y < bounds.yMax; y++)
{
position.y = y;
for (int x = bounds.xMin; x < bounds.xMax; x++)
{
position.x = x;
if (!searchedTiles.ContainsKey(position))
{
var currentTileType = TilemapHelper.GetTileTypeFromPosition(position, tilemap);
if (currentTileType == TileType.ROOM)
{
var room = FindRoomArea(position);
if (room.tiles.Any())
{
rooms.Add(room);
}
}
}
}
}
Debug.Log($"Number of room areas for this tilemap: {rooms.Count}");
}
public RoomArea FindRoomArea(Vector3Int startPosition)
{
Queue <Vector3Int> tilesToCheck = new Queue <Vector3Int>();
tilesToCheck.Enqueue(startPosition);
RoomArea room = new RoomArea();
while (tilesToCheck.Any())
{
var position = tilesToCheck.Dequeue();
if (!searchedTiles.ContainsKey(position))
{
searchedTiles.Add(position, position);
var tileType = TilemapHelper.GetTileTypeFromPosition(position, tilemap);
if (tileType == TileType.ROOM)
{
// Add current tile to room
room.tiles.Add(new TileObject(position, tileType));
tilesToCheck = AddNeighborsInQueue(tilesToCheck, position);
}
}
}
return(room);
}
public Queue <Vector3Int> AddNeighborsInQueue(Queue <Vector3Int> tilesToCheck, Vector3Int position)
{
// Add up position
var upPosition = new Vector3Int(position.x, position.y + 1, position.z);
var upTileType = TilemapHelper.GetTileTypeFromPosition(upPosition, tilemap);
if (!searchedTiles.ContainsKey(upPosition))
{
tilesToCheck.Enqueue(upPosition);
}
// Add right position
var rightPosition = new Vector3Int(position.x + 1, position.y, position.z);
var rightTileType = TilemapHelper.GetTileTypeFromPosition(rightPosition, tilemap);
if (!searchedTiles.ContainsKey(rightPosition))
{
tilesToCheck.Enqueue(rightPosition);
}
// Add down position
var downPosition = new Vector3Int(position.x, position.y - 1, position.z);
var downTileType = TilemapHelper.GetTileTypeFromPosition(downPosition, tilemap);
if (!searchedTiles.ContainsKey(downPosition))
{
tilesToCheck.Enqueue(downPosition);
}
// Add left position
var leftPosition = new Vector3Int(position.x - 1, position.y, position.z);
var leftTileType = TilemapHelper.GetTileTypeFromPosition(leftPosition, tilemap);
if (!searchedTiles.ContainsKey(leftPosition))
{
tilesToCheck.Enqueue(leftPosition);
}
if (upTileType == TileType.ROOM || rightTileType == TileType.ROOM)
{
// Add up and right position
var uprightPosition = new Vector3Int(position.x + 1, position.y + 1, position.z);
if (!searchedTiles.ContainsKey(uprightPosition))
{
tilesToCheck.Enqueue(uprightPosition);
}
}
if (downTileType == TileType.ROOM || rightTileType == TileType.ROOM)
{
// Add position down and right
var downrightPosition = new Vector3Int(position.x + 1, position.y - 1, position.z);
if (!searchedTiles.ContainsKey(downrightPosition))
{
tilesToCheck.Enqueue(downrightPosition);
}
}
if (downTileType == TileType.ROOM || leftTileType == TileType.ROOM)
{
// Add position down and left
var downleftPosition = new Vector3Int(position.x - 1, position.y - 1, position.z);
if (!searchedTiles.ContainsKey(downleftPosition))
{
tilesToCheck.Enqueue(downleftPosition);
}
}
if (upTileType == TileType.ROOM || leftTileType == TileType.ROOM)
{
// Add position up and left
var upleftPosition = new Vector3Int(position.x - 1, position.y + 1, position.z);
if (!searchedTiles.ContainsKey(upleftPosition))
{
tilesToCheck.Enqueue(upleftPosition);
}
}
return(tilesToCheck);
}