private void FillAlgorithmsDropdown()
{
_algorithmsDropdown.options.Clear();
_availableAlgorithms = PathfindersFactory.GetAvailablePathfinderTypes();
if (_availableAlgorithms != null)
{
for (int i = 0; i < _availableAlgorithms.Length; i++)
{
Dropdown.OptionData option = new Dropdown.OptionData(_availableAlgorithms[i].ToString());
_algorithmsDropdown.options.Add(option);
}
}
}
private IEnumerator FindPathCoroutine()
{
MapNode start = StartTile.Node;
MapNode end = EndTile.Node;
IPathfinder algo = PathfindersFactory.GetPathfinderForType(Settings.Pathfinder);
yield return(algo.FindPath(
start,
end,
Settings.AnimateSearch,
(node) =>
{
if (!node.HasObstacle)
{
Tile tile = _nodeToTile[node];
tile.SetColor(Color.green);
if (_tileDebugStyle == TileDebugStyle.Cost)
{
tile.ShowCost();
}
}
},
(node) =>
{
if (!node.HasObstacle)
{
Tile tile = _nodeToTile[node];
tile.SetColor(Color.gray);
if (_tileDebugStyle == TileDebugStyle.Cost)
{
tile.ShowCost();
}
}
}
));
List <MapNode> path = new List <MapNode>();
MapNode current = end.CameFrom;
while (current != null)
{
if (current.CameFrom == null && current != start)
{
path = null;
break;
}
if (current != start)
{
path.Add(current);
}
current = current.CameFrom;
}
if (path != null && path.Count > 0)
{
for (int i = path.Count - 1; i >= 0; i--)
{
if (!path[i].HasObstacle)
{
_nodeToTile[path[i]].SetColor(Color.white);
yield return(new WaitForSeconds(0.05f));
}
}
}
else
{
//notify the player
string message = "Could not find a path";
Debug.Log(message);
MessagePanel.ShowMessage(message);
}
yield return(null);
}
