/// <summary>
/// A Unity callback called when the object is loaded.
/// </summary>
void OnEnable () {
m_Tree = target as InternalBehaviourTree;
BehaviourWindow.activeNodeChanged += this.ActiveNodeChanged;
m_StatesEditor = new ParentStatesEditor(m_Tree, serializedObject.FindProperty("m_Position"));
// Try to create an editor for the current active node
this.ActiveNodeChanged();
}
/// <summary>
/// Paste the node in BehaviourTreeUtility.nodeToPaste in the supplied tree.
/// <param name="tree">The target tree.</param>
/// <param name="parent">Optional parent to paste the node; or null to paste as a root node.</param>
/// <returns>The pasted node.</returns>
/// </summary>
public static ActionNode PasteNode (InternalBehaviourTree tree, BranchNode parent = null) {
// Get the node to be pasted
var node = BehaviourTreeUtility.nodeToPaste;
// Validate parameters
if (node != null && tree != null) {
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(tree,"Paste Node");
#else
Undo.RecordObject(tree,"Paste Node");
#endif
var newNode = node.Copy(tree);
if (newNode != null) {
// Add to parent branch?
if (parent != null) {
parent.Add(newNode);
// Call OnValidate on the parent
parent.OnValidate();
}
// Saves node and sets dirty flag
StateUtility.SetDirty(tree);
// Reload tree to update variables
tree.LoadNodes();
}
return newNode;
}
return null;
}
/// <summary>
/// Adds a new node to the tree, automatically handles undo, dirty flag and save node.
/// <param name="tree">The tree to add a new node.</param>
/// <param name="nodeType">The type of the new node.</param>
/// <returns>The new node.</returns>
/// </summary>
public static ActionNode AddNode (InternalBehaviourTree tree, System.Type nodeType) {
// Validate parameters
if (tree != null && nodeType != null && nodeType.IsSubclassOf(typeof(ActionNode)) && !nodeType.IsAbstract) {
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(tree,"Add New Node");
#else
Undo.RecordObject(tree,"Add New Node");
#endif
// Create new node
var newNode = tree.AddNode(nodeType);
if (newNode != null) {
// Saves node and sets dirty flag
StateUtility.SetDirty(tree);
return newNode;
}
}
return null;
}