//Called when the left mouse button is initially held down
public override bool OnClickDown(Point point, ScriptableTile tile, TileMap map)
{
//Return if the tilemap is null/empty
if (map == null)
{
return(false);
}
//Gets the tile where you clicked
ScriptableTile start = map.GetTileAt(point);
//Return if ther tile specified is null
if (tile == null)
{
return(false);
}
//The queue of points that need to be changed to the specified tile
Queue <Point> open = new Queue <Point> ();
//The list of points already changed to the specified tile
List <Point> closed = new List <Point> ();
//A number larger than the amount of tiles available
int maxLoops = map.Width * map.Height * 10;
//Add the specified point to the open queue
open.Enqueue(point);
//As long as there are items in the queue, keep this running
while (open.Count > 0)
{
//Decrement the max loops value
maxLoops--;
//If we've executed this code more than the max loops then we've done something wrong :/
if (maxLoops <= 0)
{
Debug.LogError("Fill tool, max loops reached!");
return(false);
}
Point p = open.Dequeue();
if (closed.Contains(p))
{
continue;
}
closed.Add(p);
ScriptableTile t = map.GetTileAt(p);
if (!map.IsInBounds(p) || t != start)
{
continue;
}
open.Enqueue(p.Up);
open.Enqueue(p.Right);
open.Enqueue(p.Down);
open.Enqueue(p.Left);
map.SetTileAt(p, tile);
}
return(true);
}
public override Sprite GetSprite(TileMap tilemap = null, Point position = default(Point))
{
if (tilemap == null)
{
return(bitmaskSprites[15]);
}
ScriptableTile left = tilemap.GetTileAt(position.Left);
ScriptableTile up = tilemap.GetTileAt(position.Up);
ScriptableTile right = tilemap.GetTileAt(position.Right);
ScriptableTile down = tilemap.GetTileAt(position.Down);
int index = 0;
if ((!tilemap.IsInBounds(position.Up) && defaultIsFull) || (up && up.ID == this.ID))
{
index += 1;
}
if ((!tilemap.IsInBounds(position.Right) && defaultIsFull) || (right && right.ID == this.ID))
{
index += 8;
}
if ((!tilemap.IsInBounds(position.Down) && defaultIsFull) || (down && down.ID == this.ID))
{
index += 4;
}
if ((!tilemap.IsInBounds(position.Left) && defaultIsFull) || (left && left.ID == this.ID))
{
index += 2;
}
if (index < bitmaskSprites.Length && bitmaskSprites [index])
{
return(bitmaskSprites [index]);
}
return(bitmaskSprites [15]);
}
public override Sprite GetSprite(TileMap tilemap = null, Point position = default(Point))
{
if (tilemap == null)
{
return(bitmaskSprites[15]);
}
ScriptableTile[] tiles = new ScriptableTile[] {
tilemap.GetTileAt(position.Up),
tilemap.GetTileAt(position.Left),
tilemap.GetTileAt(position.Down),
tilemap.GetTileAt(position.Right),
};
int[] bitmasks = new int[] {
1, 2, 4, 8
};
Point[] points = new Point[] {
position.Up,
position.Left,
position.Down,
position.Right,
};
int index = 0;
for (int i = 0; i < 4; i++)
{
bool exists = tiles[i] != null;
bool isSame = exists && tiles[i].ID == this.ID;
bool isEdge = !tilemap.IsInBounds(points[i]);
if ((isEdge && edgesAreFull) || (exists && mode == AutoTileMode.Everything) || (exists && (mode == AutoTileMode.SameTile && isSame)))
{
index += bitmasks[i];
}
}
if (index < bitmaskSprites.Length && bitmaskSprites [index])
{
return(bitmaskSprites [index]);
}
return(bitmaskSprites [15]);
}