void DrawVariables()
{
EditorGUILayout.BeginHorizontal(EditorStyles.toolbar);
GUILayout.FlexibleSpace();
if (GUILayout.Button("+", EditorStyles.toolbarButton, GUILayout.Width(20)))
{
_nodeCanvas.canvasState.tree.CreateVariable("NewVariable");
}
EditorGUILayout.EndHorizontal();
variableScroll = EditorGUILayout.BeginScrollView(variableScroll);
string[] variables = _nodeCanvas.canvasState.tree.VariableNames;
for (int i = 0; i < variables.Length; i++)
{
EditorGUILayout.BeginHorizontal();
string newName = EditorGUILayout.TextField(variables[i], EditorStyles.textField);
if (newName != variables[i] && newName != "")
{
RenameVariable(variables[i], newName);
}
if (GUI.changed)
{
BehaviourEditorWindow.RepaintWindow();
}
if (GUILayout.Button("-", EditorStyles.miniButton))
{
if (EditorUtility.DisplayDialog("Delete " + variables[i], "Are you sure you want to delete this variable?", "Yes", "No"))
{
_nodeCanvas.canvasState.tree.DeleteVariable(variables[i]);
}
}
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.EndScrollView();
if (redrawInspector || Event.current.keyCode == KeyCode.Return)
{
redrawInspector = false;
GUI.FocusControl(null);
BehaviourEditorWindow.editor.Repaint();
}
}
public static void OpenWindow()
{
editor = GetWindow <BehaviourEditorWindow>();
editor.minSize = new Vector2(600, 300);
editor.titleContent = new GUIContent("Behaviour Editor");
editor._curWindowSize = editor.position.size;
editor._menuRect = editor.GetMenuRect();
nodeCanvas = new NodeCanvas(editor.GetCanvasRect());
nodeInspector = new NodeInspector(editor.GetInspectorRect(), nodeCanvas);
Selection.selectionChanged += TryLoadSelectedAsset;
NodeFactory.FetchNodes();
NodePanelFactory.FetchCustomPanels();
CustomFieldDrawerManager.FetchCustomFieldDrawers();
// tries to load the selected asset if it is a behaviour tree when the window is open
// and also when the assembly is reloaded
TryLoadSelectedAsset();
}
private static void TryLoadSelectedAsset()
{
UnityEngine.Object activeObject = Selection.activeObject;
if (Selection.activeObject == null)
{
return;
}
if (Selection.activeObject.GetType() == typeof(BehaviourTree))
{
nodeCanvas.Load((BehaviourTree)Selection.activeObject);
BehaviourEditorWindow.RepaintWindow();
}
else if (Selection.activeObject is GameObject)
{
var controller = ((GameObject)activeObject).GetComponent <BehaviourController>();
if (controller == null)
{
return;
}
if (Application.isPlaying)
{
nodeCanvas.LoadBehaviourController(controller);
}
else
{
var tree = controller.behaviourTree;
if (tree == null)
{
return;
}
nodeCanvas.Load(tree);
BehaviourEditorWindow.RepaintWindow();
}
}
}