public bool PlaceNode(Node node)
{
var added = _grid.AddNode(node);
Size = _grid.Size;
IslandSet.Add(node);
return(added);
}
/// <summary>
/// Adds the specified Arc to the game board.
/// </summary>
public bool Push(Arc arc, Field field)
{
if (!field.ValidPlacement(arc))
{
return(false);
}
// Push the arc onto the field
arc.Push(field);
Arcs.Add(arc);
// Notify the island set of connected nodes
IslandSet.Connect(field);
return(true);
}
/// <summary>
/// Removes the specified Arc from the game board.
/// </summary>
public bool Pull(Arc arc)
{
if (arc.IsPulled)
{
return(false);
}
// Pull the arc from the field
var field = arc.Field;
arc.Pull();
Arcs.Remove(arc);
// Notify the island set of disconnected nodes
IslandSet.Disconnect(field);
return(true);
}
/// <summary>
/// Checks if the two nodes are connected via arcs
/// </summary>
public bool IsConnected(Node start, Node end)
{
return(IslandSet.IsConnected(start, end));
}
