public PathEdge(
Vector2 source,
Vector2 destination,
Node fromNode,
Node toNode,
Edge edge,
PathManager pathManager,
GameObject movingObject)
{
Source = source;
Destination = destination;
FromNode = fromNode;
ToNode = toNode;
Edge = edge;
PathManager = pathManager;
MovingObject = movingObject;
MovingEntity = movingObject.GetComponent<MovingEntity>();
}
/// <summary>
/// Given a node this method first checks to see if the node has been added previously but
/// is now inactive. If it is, it is reactivated.
///
/// If the node has not been added previously, it is checked to make sure its index matches
/// the next node index before being added to the graph.
/// </summary>
/// <param name="node">The node.</param>
/// <returns>The node index.</returns>
public int AddNode(Node node)
{
if (node.Index < Nodes.Count)
{
// make sure the client is not trying to add a node with the same
// Id as a currently active node
if (!Node.IsInvalidIndex(Nodes[node.Index].Index))
{
Debug.LogError(
"SparseGraph.AddNode: Attempting to add a node with a duplicate Id.");
throw new System.Exception(
"SparseGraph.AddNode: Attempting to add a node with a duplicate Id.");
}
Nodes[node.Index] = node;
return NextNodeIndex;
}
// make sure the new node has been indexed correctly
if (node.Index != NextNodeIndex)
{
Debug.LogError("SparseGraph.AddNode: invalid index.");
throw new System.Exception("SparseGraph.AddNode: invalid index.");
}
Nodes.Add(node);
Edges.Add(new LinkedList<Edge>());
return NextNodeIndex++;
}