/*
* Generates all nodes according to the length and height of the map
* Then, for each node, add their neighbours as successors
*/
private void GenerateNodes()
{
for (int j = StartY; j < MapLength; j++)
{
for (int i = StartX; i < MapHeight; i++)
{
GameObject newPos =
(GameObject)Instantiate(Node, new Vector2(j * (NodeDistance), i * (NodeDistance)), Node.transform.rotation);
newPos.transform.parent = gameObject.transform;
newPos.layer = 12;
newPos.AddComponent <Node>();
newPos.GetComponent <Node>().SetUpNode(ref _graph);
}
}
for (int j = 0; j < _graph.ReturnGraph().Count; j++)
{
Node node = _graph.ReturnGraph().ElementAt(j);
if (node.GetY() < NodeDistance)
{
node.AddNeighbour(-NodeDistance, ref _graph);
node.AddNeighbour(NodeDistance, ref _graph);
}
}
StartCoroutine(WaitForDeletion());
}
/**
* Adds this node horizontal neighbour as it successors
*/
public void AddNeighbour(float direction, ref GraphOfMap graph)
{
for (int i = 0; i < graph.ReturnGraph().Count; i++)
{
Node node = graph.ReturnGraph().ElementAt(i);
if (node.GetX() == GetX() - direction && node.GetY() == GetY())
{
AddSuccessor(node, ref graph);
//Debug.Log("successor " + node.GetX() +", " + node.GetY());
}
}
}
/*
* Creates a jumping route
* Neighbours of the current node become sucessor of the passed node (which should have higher Y coordinates)
* Also add successors the other way
*/
private void AddSuccessorForRising(Node platformNode, ref GraphOfMap graph, float nodeDistance)
{
for (int j = 0; j < graph.ReturnGraph().Count; j++)
{
Node node = graph.ReturnGraph().ElementAt(j);
if ((node.GetX() == this.GetX() - nodeDistance || node.GetX() == this.GetX() + nodeDistance) && node.GetY() == this.GetY() && !node.gameObject.GetComponent <Collider2D>().IsTouchingLayers(_enviLayer))
{
node.AddSuccessor(platformNode, ref graph);
platformNode.AddSuccessor(node, ref graph);
DeleteSuccessor(node, ref graph);
node.DeleteSuccessor(this, ref graph);
}
}
}
/**
* Finds the node that is above the current node
*/
private Node FindPlatformNode(float nodeDistance, ref GraphOfMap graph)
{
Node platformNode = null;
for (int i = 0; i < graph.ReturnGraph().Count; i++)
{
Node node = graph.ReturnGraph().ElementAt(i);
if (node.GetX() == this.GetX() &&
node.GetY() == this.GetY() + nodeDistance)
{
platformNode = node;
return(platformNode);
}
}
return(platformNode);
}