// Flood fill technique to check house size and find the outer line for wall checking
public static bool FloorFloodFill(Vector2Int firstTile, TileBase[] wallTiles, TileBase[] floorTiles, TileBase[] doorTiles, Tilemap tilemap, /*Temporary Value*/ TileBase whiteTile, Tilemap houseTilemap, TileBase[] roofTiles)
{
// Stack that expands and shrinks as you find more elements
Stack <Vector2Int> existFloor = new Stack <Vector2Int>();
// Temporary stack that holds checked floor coordinates
Stack <Vector2Int> checkedFloor = new Stack <Vector2Int>();
Stack <TileBase> floorTilesStack = new Stack <TileBase>(floorTiles);
existFloor.Push(firstTile);
while (existFloor.Count > 0)
{
Vector2Int pos = existFloor.Pop();
if (!checkedFloor.Contains(new Vector2Int(pos.x, pos.y)))
{
for (int y = -1; y <= 1; y++)
{
for (int x = -1; x <= 1; x++)
{
if (floorTilesStack.Contains(tilemap.GetTile(new Vector3Int(pos.x + x, pos.y + y, 0))))
{
existFloor.Push(new Vector2Int(pos.x + x, pos.y + y));
}
}
}
checkedFloor.Push(new Vector2Int(pos.x, pos.y));
}
}
// returns true if building is surrounded by walls
Vector2Int[] wallPos = HouseBuilding.FloorEdgeFound(checkedFloor, wallTiles, floorTiles, doorTiles, tilemap);
if (wallPos.Length <= 0)
{
return(false);
}
Debug.Log("Still going!");
// bool to make sure a door is built
// if house is missing a door it won't build
bool doorCheck = false;
//Checks that a door is placed to be able to enter the house
for (int i = 0; i < wallPos.Length; i++)
{
for (int j = 0; j < doorTiles.Length; j++)
{
if (tilemap.GetTile(new Vector3Int(wallPos[i].x, wallPos[i].y, 0)) == doorTiles[j])
{
doorCheck = true;
}
}
}
// returns false and won't build the home if door isnt recognized
if (!doorCheck)
{
return(false);
}
Stack <Vector2Int> roofPos = BuildWalls(wallTiles, doorTiles, floorTiles, wallPos, tilemap, whiteTile, houseTilemap);
GetRoofTilePosition(wallTiles, floorTiles, roofTiles, tilemap, /* TEMPORARY VARIABLE */ whiteTile, houseTilemap, roofPos);
return(true);
}
