protected override void CanvasContextMenu()
{
if (_currentEvent.type != EventType.MouseDown || _currentEvent.button != 1 || _currentEvent.clickCount != 1 || BehaviorTreeEditor.active == null)
{
return;
}
GenericMenu canvasMenu = new GenericMenu();
// Composite
canvasMenu.AddItem(new GUIContent("Create Composite/Selector"), false, delegate()
{
BehaviorTreeEditorUtility.AddNode <Selector>(_mousePosition, BehaviorTreeEditor.active);
});
canvasMenu.AddItem(new GUIContent("Create Composite/Sequence"), false, delegate()
{
BehaviorTreeEditorUtility.AddNode <Sequence>(_mousePosition, BehaviorTreeEditor.active);
});
// Task
canvasMenu.AddItem(new GUIContent("Create Task/Wait"), false, delegate()
{
BehaviorTreeEditorUtility.AddNode <Wait>(_mousePosition, BehaviorTreeEditor.active);
});
canvasMenu.AddSeparator("Create Task/");
canvasMenu.AddItem(new GUIContent("Create Task/Task"), false, delegate()
{
BehaviorTreeEditorUtility.AddNode <Task>(_mousePosition, BehaviorTreeEditor.active);
});
canvasMenu.ShowAsContext();
}
private void SelectBehaviorBrain()
{
GUIContent content = new GUIContent(BehaviorTreeEditor.active != null ? BehaviorTreeEditor.active.name : "[None Selected]");
float width = EditorStyles.toolbarDropDown.CalcSize(content).x;
width = Mathf.Clamp(width, 100f, width);
if (GUILayout.Button(content, EditorStyles.toolbarDropDown, GUILayout.Width(width)))
{
GenericMenu menu = new GenericMenu();
if (BehaviorTreeEditor.active != null)
{
SelectBehaviorBrainMenu(BehaviorTreeEditor.active, ref menu);
}
menu.AddItem(new GUIContent("[Craete New]"), false, delegate()
{
BehaviorTree bt = AssetCreator.CreateAsset <BehaviorTree>(true);
if (bt != null)
{
bt.Name = bt.name;
Root root = BehaviorTreeEditorUtility.AddNode <Root>(BehaviorTreeEditor.center, bt);
bt.rootNode = root;
root.Name = "Root";
AssetDatabase.SaveAssets();
BehaviorTreeEditor.SelectBehaviorTrees(bt);
}
});
menu.ShowAsContext();
}
}
public static void CreateBehaviorTrees()
{
// This code is borrowed from ICode(https://www.assetstore.unity3d.com/en/#!/content/13761)
BehaviorTree bt = AssetCreator.CreateAsset <BehaviorTree>(false);
if (bt != null)
{
bt.Name = bt.name;
Root root = BehaviorTreeEditorUtility.AddNode <Root>(BehaviorTreeEditor.center, bt);
bt.rootNode = root;
root.Name = "Root";
AssetDatabase.SaveAssets();
}
}
public static T AddNode <T>(Vector2 position, BehaviorTree bt)
{
if (bt == null)
{
Debug.LogWarning("Can't add a node to the behavior trees, because the behavior trees are null.");
return(default(T));
}
Node node = ScriptableObject.CreateInstance(typeof(T)) as Node;
node.hideFlags = HideFlags.HideInHierarchy;
node.Name = BehaviorTreeEditorUtility.GenerateName <T>();
node.comment = node.Name;
node.bt = bt;
bt.nodes = ArrayUtility.Add <Node>(bt.nodes, node);
node.position = new Rect(position.x, position.y, BehaviorTreeEditorStyles.NodeNormalWidth, BehaviorTreeEditorStyles.NodeNormalHeight);
if (EditorUtility.IsPersistent(bt))
{
AssetDatabase.AddObjectToAsset(node, bt);
}
if (node is BehaviorTree)
{
node.position.width = 150f;
node.position.height = 45f;
Root root = BehaviorTreeEditorUtility.AddNode <Root>(BehaviorTreeEditor.center, node as BehaviorTree);
root.Name = "Root";
}
else if (node is Wait)
{
Wait wait = node as Wait;
wait.tick = 0.1f;
wait.comment = "Wait: 0.1s";
}
AssetDatabase.SaveAssets();
return((T)(object)node);
}