void OnTileClicked(SpriteTile sender)
{
if (_currentTile != null)
{
if (sender == _currentTile)
{
// Deselect if we click the same tile again
SetCurrentTile(null);
}
else if (sender.Matches(_currentTile))
{
int turns = int.MaxValue;
// Temporarily set the target node to be walkable before pathfinding since AStar needs to be able to walk onto the node to find it.
float oldWeight = sender.gridNode.pathfindingWeight;
sender.gridNode.pathfindingWeight = 1;
IAStarNode[] path = AStar.CalculatePath(_currentTile.gridNode, sender.gridNode, out turns);
sender.gridNode.pathfindingWeight = oldWeight;
if (turns <= GameSettings.maxPathfindingTurns)
{
// If it's a valid match spawn a MatchAnimation and play it
_currentTile.gameObject.AddComponent <MatchAnimation>().Play(_currentTile, sender, path);
SetCurrentTile(null);
}
else
{
// If the path has too many turns simply select the tile instead
SetCurrentTile(sender);
}
}
else
{
// Tile's don't match, select the new one
SetCurrentTile(sender);
}
}
else
{
// We don't have a selected tile yet, select the new one
SetCurrentTile(sender);
}
}