/*public bool reach(Trajectory.Node origin, LineHandler origin_line, LineHandler destiny, Dictionary<Trajectory.Node, bool> visited_nodes, Dictionary<LineHandler, bool> visited_lines, List<Vector2> route){
* bool reached = true;
* if(visited_nodes[origin] == false && !destiny.containsNode(origin)){
* visited_nodes [origin] = true;
* foreach (LineHandler line in origin_line.getNeighborLines()) {
* if(visited_lines[line] == false && line.containsNode(origin)){
* visited_lines[line.Key] = true;
* if (!visited_nodes[line.Key.start] && reach (line.Key.start, destiny, visited_nodes, visited_lines, route))
* route.Add (new Vector2(line.Key.start.getX () / 10f, 60 - line.Key.start.getY () / 10f));
* else if (!visited_nodes[line.Key.end] && reach (line.Key.end, destiny, visited_nodes, visited_lines, route))
* route.Add (new Vector2(line.Key.end.getX () / 10f, 60 - line.Key.end.getY () / 10f));
* else
* reached = false;
* }
* }
* }
* return reached;
* }*/
/*public bool reach(Trajectory.Node origin, LineHandler origin_line, LineHandler destiny, Dictionary<Trajectory.Node, bool> visited_nodes, Dictionary<LineHandler, bool> visited_lines, List<Vector2> route){
* bool reached = true;
* if (!destiny.containsNode (origin)) {
* visited_nodes [origin] = true;
* foreach (LineHandler line in origin_line.getNeighborLines()) {
* if (!visited_lines [line] && !visited_nodes [line.getOtherPoint (origin)] && reach (line.getOtherPoint (origin), origin_line, destiny, visited_nodes, visited_lines, route)) {
* Trajectory.Node n = line.getOtherPoint (origin);
* route.Add (new Vector2(n.getX () / 10f, 60 - n.getY () / 10f));
* }
* }
* }
* return reached;
* }*/
public bool reach(LineHandler origin, LineHandler destiny, Dictionary <LineHandler, bool> visited, List <KeyValuePair <Vector2, float> > route)
{
bool ret = false;
if (origin == destiny)
{
ret = true;
}
else if (visited[origin])
{
ret = false;
}
else
{
visited [origin] = true;
foreach (LineHandler neighbor in origin.getNeighborLines())
{
if (reach(neighbor, destiny, visited, route))
{
Trajectory.Node point = LineHandler.commonPoint(origin, neighbor);
route.Add(new KeyValuePair <Vector2, float>(LineHandler.nodeToVector2(point), point.getScale()));
ret = true;
break;
}
}
}
return(ret);
}
public KeyValuePair <Vector2, float>[] reach(LineHandler origin, LineHandler destiny)
{
List <KeyValuePair <Vector2, float> > route = new List <KeyValuePair <Vector2, float> > ();
//Scene s = (Scene) sd;
//WE STORE IN A BOOLEAN IF WE HAVE VISITED OR NOT THAT LINE
// Dictionary<LineHandler, bool> visited_lines = new Dictionary<LineHandler, bool>();
// Dictionary<Trajectory.Node, bool> visited_nodes = new Dictionary<Trajectory.Node, bool>();
//
// foreach (LineHandler line in lines)
// visited_lines.Add (line, false);
//
// reach (origin, destiny, visited_lines, route);
Dictionary <LineHandler, KeyValuePair <float, LineHandler> > stickered = stick(origin);
LineHandler current = destiny;
while (current != origin)
{
KeyValuePair <float, LineHandler> node = stickered [current];
Trajectory.Node tmp = LineHandler.commonPoint(current, node.Value);
route.Add(new KeyValuePair <Vector2, float>(LineHandler.nodeToVector2(tmp), tmp.getScale()));
current = node.Value;
}
route.Reverse();
return(route.ToArray());
}
