/// <summary>
/// A static method to remove the node from graph's nodes list and clean up
/// </summary>
/// <param name="graph"></param>
/// <param name="deleteNode"></param>
static void RemoveNodeAndCleanUp(ChainGraph graph, ChainBehaviorNode deleteNode)
{
foreach (ChainBehaviorNode n in graph.nodes)
{
if (n.output.nodes != null)
{
if (n.output.nodes.Contains(deleteNode))
{
n.output.nodes.Remove(deleteNode);
}
}
}
graph.nodes.Remove(deleteNode);
}
/// <summary>
/// A static method to delete the node in the graph
/// </summary>
/// <param name="nodeIndex"></param>
/// <param name="graph"></param>
public static void DeleteNode(int nodeIndex, ChainGraph graph)
{
if (graph != null)
{
if (graph.nodes.Count >= nodeIndex)
{
ChainBehaviorNode deleteNode = (ChainBehaviorNode)graph.nodes[nodeIndex];
if (deleteNode != null)
{
RemoveNodeAndCleanUp(graph, deleteNode);
UpdateChainBehaviorNodeID(graph);
UpdateFollowUps(graph);
UnityEngine.Object.DestroyImmediate(deleteNode, true);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
}
}
}
}
/// <summary>
/// Update key and mouse events
/// </summary>
/// <param name="e"></param>
/// <param name="viewRect"></param>
void ProcessEvents(Event e, Rect viewRect)
{
if (viewRect.Contains(e.mousePosition))
{
if (e.button == 0)
{
if (e.type == EventType.MouseDown)
{
DeselectAllNodes();
bool setNode = false;
selectedNode = null;
// Select node
for (int i = 0; i < nodes.Count; i++)
{
if (nodes[i].nodeRect.Contains(e.mousePosition))
{
nodes[i].isSelected = true;
selectedNode = nodes[i];
Selection.activeObject = selectedNode;
setNode = true;
}
}
if (!setNode)
{
DeselectAllNodes();
}
if (connectionRequest)
{
connectionRequest = false;
}
}
}
}
}
/// <summary>
/// A static method to create a node in graph
/// </summary>
/// <param name="graph"></param>
/// <param name="nodeType"></param>
/// <param name="pos"></param>
public static void CreateNode(ChainGraph graph, NodeType nodeType, Vector2 pos)
{
if (graph != null)
{
ChainBehaviorNode node = null;
switch (nodeType)
{
case NodeType.ChainBehaviorNode:
node = ScriptableObject.CreateInstance <ChainBehaviorNode>();
node.nodeName = "Chain Behavior";
break;
case NodeType.RootBehaviorNode:
node = ScriptableObject.CreateInstance <RootBehaviorNode>();
node.nodeName = "Root Behavior";
break;
default:
break;
}
if (node != null)
{
node.InitNode(graph);
node.nodeRect.x = pos.x;
node.nodeRect.y = pos.y;
node.parentGraph = graph;
graph.nodes.Add(node);
UpdateChainBehaviorNodeID(graph);
node.name = node.nodeName;
AssetDatabase.AddObjectToAsset(node, graph);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
}
}
}
/// <summary>
/// A static method to reorder the list by its priority
/// </summary>
/// <param name="n"></param>
public static void ReorderByPriority(ChainBehaviorNode n)
{
n.output.nodes = n.output.nodes.OrderBy(o => o.priority).ToList();
}