/// <summary>
/// Adds a new node to the action state, automatically handles undo, dirty flag and save node.
/// <param name="actionState">The action state 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(InternalActionState actionState, System.Type nodeType)
{
// Validate parameters
if (actionState != null && nodeType != null && nodeType.IsSubclassOf(typeof(ActionNode)) && !nodeType.IsAbstract)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(actionState, "Add New Node");
#else
Undo.RecordObject(actionState, "Add New Node");
#endif
// Create new node
var newNode = actionState.AddNode(nodeType);
if (newNode != null)
{
// Saves node and sets dirty flag
StateUtility.SetDirty(actionState);
return(newNode);
}
}
return(null);
}
/// <summary>
/// A Unity callback called when the object is loaded.
/// </summary>
private void OnEnable()
{
m_ActionState = target as InternalActionState;
BehaviourWindow.activeNodeChanged += this.ActiveNodeChanged;
// Try to create an editor for the current active node
this.ActiveNodeChanged();
// Register the visual debugging callback
ActionNode.onNodeTick += OnNodeTick;
// Register Update
if (Application.isPlaying)
{
EditorApplication.update += this.Update;
}
else
{
m_ActionState.LoadNodes();
RegisterEditorOnGUI();
}
}
/// <summary>
/// Paste the supplied nodes in the supplied ActionState.
/// <param name="actionState">The ActionState to paste the node.</param>
/// <param name="nodes">The nodes to be pasted.</param>
/// <returns>The pasted nodes.</returns>
/// </summary>
public static ActionNode[] PasteNodes(InternalActionState actionState, ActionNode[] nodes)
{
var newNodes = new List <ActionNode>();
// Validate parameters
if (nodes != null && actionState != null)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(actionState, "Paste Node");
#else
Undo.RecordObject(actionState, "Paste Node");
#endif
// Copy nodes
for (int i = 0; i < nodes.Length; i++)
{
if (nodes[i] != null && !(nodes[i] is BranchNode))
{
ActionNode newNode = nodes[i].Copy(actionState);
if (newNode != null)
{
newNodes.Add(newNode);
}
}
}
if (newNodes.Count > 0)
{
// Saves node and sets dirty flag
StateUtility.SetDirty(actionState);
// Reload actionState to update variables
actionState.LoadNodes();
}
}
return(newNodes.ToArray());
}
