public GKGraphNode[] FindPath(Map.Position from, Map.Position to)
{
GKGraphNode startNode, endNode;
startNode = gridNodes [parentMap.PositionToIndex(from)];
endNode = gridNodes [parentMap.PositionToIndex(to)];
return(base.FindPath(startNode, endNode));
}
GKGraphNode NodeInDirection(Map.Position position, Direction direction)
{
Map.Position newPosition = position.PositionInDirection(direction);
if (!parentMap.PositionIsValid(newPosition))
{
return(null);
}
int index = parentMap.PositionToIndex(newPosition);
return(gridNodes [index]);
}
GKGraphNode[] ConnectedNodes(Map.Position position, Tile t)
{
List <GKGraphNode> nodes = new List <GKGraphNode> ();
GKGraphNode node;
Console.WriteLine("Node {0} - {1}, {2}", position, t.ImageName, t.ValidExits);
if ((t.ValidExits & Tile.Exits.North) == Tile.Exits.North)
{
Console.WriteLine(" North");
node = NodeInDirection(position, Direction.North);
if (node != null)
{
nodes.Add(node);
}
}
if ((t.ValidExits & Tile.Exits.South) == Tile.Exits.South)
{
Console.WriteLine(" South");
node = NodeInDirection(position, Direction.South);
if (node != null)
{
nodes.Add(node);
}
}
if ((t.ValidExits & Tile.Exits.East) == Tile.Exits.East)
{
Console.WriteLine(" East");
node = NodeInDirection(position, Direction.East);
if (node != null)
{
nodes.Add(node);
}
}
if ((t.ValidExits & Tile.Exits.West) == Tile.Exits.West)
{
Console.WriteLine(" West");
node = NodeInDirection(position, Direction.West);
if (node != null)
{
nodes.Add(node);
}
}
return(nodes.ToArray());
}
void HandleTouchOnMap(object sender, MapClickedArgs args)
{
if (ClickHandler.WaitingForEntityClick)
{
return;
}
Map.Map.Position destination = args.ClickPosition;
MoveComponent comp = (MoveComponent)Player.GetComponent(typeof(MoveComponent));
comp.MoveEntity(destination, (bool success) => {
if (!success)
{
Console.WriteLine("Can't do that");
}
});
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
if (MapClicked != null)
{
UITouch touch = (UITouch)touches.AnyObject;
CoreGraphics.CGPoint point = touch.LocationInNode(this);
Map.Position destination = map.PointToPosition(point);
if (!map.PositionIsValid(destination))
{
return;
}
MapClickedArgs args = new MapClickedArgs(destination);
MapClicked(this, args);
}
}
public MapGraph(Map map)
{
parentMap = map;
int index = 0;
gridNodes = new MapGraphNode[map.Width * map.Height];
// Start with a map of unconnected nodes
for (int r = 0; r < map.Height; r++)
{
for (int c = 0; c < map.Width; c++)
{
Map.Position position = new Map.Position {
Row = r, Column = c
};
gridNodes [(r * map.Width) + c] = new MapGraphNode {
NodePosition = position
};
}
}
// Go through each tile in the map connecting it up
foreach (var tid in map.TIDs)
{
Tile t = map.TIDToTile [tid];
if (t.ValidExits == Tile.Exits.None)
{
index++;
continue;
}
Map.Position p = map.IndexToPosition(index);
GKGraphNode thisNode = gridNodes [index];
GKGraphNode[] connectedNodes = ConnectedNodes(p, t);
thisNode.AddConnections(connectedNodes, false);
index++;
}
}
public MapClickedArgs(Map.Position pos)
{
ClickPosition = pos;
}