private void SelectBehaviorBrain()
{
GUIContent content = new GUIContent(BehaviorTreesEditor.active != null ? BehaviorTreesEditor.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 (BehaviorTreesEditor.active != null)
{
SelectBehaviorBrainMenu(BehaviorTreesEditor.active, ref menu);
}
menu.AddItem(new GUIContent("[Create New]"), false, delegate()
{
BehaviorTrees bt = AssetCreator.CreateAsset <BehaviorTrees>(true);
if (bt != null)
{
bt.Name = bt.name;
Root root = BehaviorTreesEditorUtility.AddNode <Root>(BehaviorTreesEditor.center, bt);
bt.rootNode = root;
root.Name = "Root";
AssetCreator.SaveAIAsset();
BehaviorTreesEditor.SelectBehaviorTrees(bt);
}
});
menu.ShowAsContext();
}
}
public static void CreateBehaviorTrees()
{
// This code is borrowed from ICode(https://www.assetstore.unity3d.com/en/#!/content/13761)
BehaviorTrees bt = AssetCreator.CreateAsset <BehaviorTrees>(false);
if (bt != null)
{
bt.Name = bt.name;
Root root = BehaviorTreesEditorUtility.AddNode <Root>(BehaviorTreesEditor.center, bt);
bt.rootNode = root;
root.Name = "Root";
//AssetCreator.SaveAIAsset();
SaveAIAsset();
}
}
protected override void CanvasContextMenu()
{
if (_currentEvent.type != EventType.MouseDown || _currentEvent.button != 1 || _currentEvent.clickCount != 1 || BehaviorTreesEditor.active == null)
{
return;
}
GenericMenu canvasMenu = new GenericMenu();
// Composite
canvasMenu.AddItem(new GUIContent("Create Composite/Selector"), false, delegate()
{
BehaviorTreesEditorUtility.AddNode <Selector>(_mousePosition, BehaviorTreesEditor.active);
});
canvasMenu.AddItem(new GUIContent("Create Composite/Sequence"), false, delegate()
{
BehaviorTreesEditorUtility.AddNode <Sequence>(_mousePosition, BehaviorTreesEditor.active);
});
// Task
canvasMenu.AddItem(new GUIContent("Create Task/Wait"), false, delegate()
{
BehaviorTreesEditorUtility.AddNode <Wait>(_mousePosition, BehaviorTreesEditor.active);
});
canvasMenu.AddSeparator("Create Task/");
canvasMenu.AddItem(new GUIContent("Create Task/Task"), false, delegate()
{
BehaviorTreesEditorUtility.AddNode <Task>(_mousePosition, BehaviorTreesEditor.active);
});
canvasMenu.AddSeparator("Empty/");
canvasMenu.AddItem(new GUIContent("Empty/Task"), false, delegate()
{
BehaviorTreesEditorUtility.EmptyNode(_mousePosition, BehaviorTreesEditor.active);
});
canvasMenu.AddSeparator("Save/");
canvasMenu.AddItem(new GUIContent("Save/Save"), false, delegate()
{
AssetCreator.SaveAIAsset();
});
canvasMenu.AddSeparator("Refresh/");
canvasMenu.AddItem(new GUIContent("Refresh/Refresh"), false, delegate()
{
AssetCreator.Refresh();
});
canvasMenu.ShowAsContext();
}
public static T AddNode <T>(Vector2 position, BehaviorTrees 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 = BehaviorTreesEditorUtility.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, BehaviorTreesEditorStyles.NodeNormalWidth, BehaviorTreesEditorStyles.NodeNormalHeight);
if (EditorUtility.IsPersistent(bt))
{
AssetDatabase.AddObjectToAsset(node, bt);
}
if (node is BehaviorTrees)
{
node.position.width = 150f;
node.position.height = 45f;
Root root = BehaviorTreesEditorUtility.AddNode <Root>(BehaviorTreesEditor.center, node as BehaviorTrees);
root.Name = "Root";
}
else if (node is Wait)
{
Wait wait = node as Wait;
wait.tick = 0.1f;
wait.comment = "Wait: 0.1s";
}
AssetCreator.SaveAIAsset();
return((T)(object)node);
}