Almost Working Call Tree WIndow

Editor/CallTree/CallTreeWindow.cs

 using System.Collections;
+using System.Linq;
+using System;
+using System.Reflection;
+using UnityEditor.SceneManagement;
+using GameplayIngredients.Events;
+using GameplayIngredients.Logic;
+using GameplayIngredients.Actions;
+using GameplayIngredients.StateMachines;
+using UnityEngine.SceneManagement;
 
 namespace GameplayIngredients
 {
             GetWindow<CallTreeWindow>();
         }
 
-        protected List<MonoBehaviour> m_Watches;
-
-            m_Watches = new List<MonoBehaviour>();
-            m_TreeView = new CallTreeView(m_Watches);
-            m_TreeView.Reload();
+            nodeRoots = new List<CallTreeNode>();
+            m_TreeView = new CallTreeView(nodeRoots);            
+            BuildCallTree();
+            EditorSceneManager.sceneOpened += Reload;
+        }
+
+        void Reload(Scene scene, OpenSceneMode mode)
+        {
+            BuildCallTree();
-            using(new GUILayout.HorizontalScope(EditorStyles.toolbar, GUILayout.Height(tbHeight)))
+            using (new GUILayout.HorizontalScope(EditorStyles.toolbar, GUILayout.Height(tbHeight)))
-                if(GUILayout.Button("Get",EditorStyles.toolbarButton))
+                if (GUILayout.Button("Update", EditorStyles.toolbarButton))
-                    Debug.Log("Get");
+                    BuildCallTree();
                 }
                 GUILayout.FlexibleSpace();
             }
 
+        List<CallTreeNode> nodeRoots;
+
+        void BuildCallTree()
+        {
+            if (nodeRoots == null)
+                nodeRoots = new List<CallTreeNode>();
+            else
+                nodeRoots.Clear();
+
+            var allEvents = Resources.FindObjectsOfTypeAll<EventBase>().ToList();
+            var allStateMachines = Resources.FindObjectsOfTypeAll<StateMachine>().ToList();
+            foreach (var evt in allEvents)
+            {
+                nodeRoots.Add(GetNode(evt));
+            }
+
+            foreach (var sm in allStateMachines)
+            {
+                nodeRoots.Add(GetStateMachineNode(sm));
+            }
+            m_TreeView.Reload();
+        }
+
+        CallTreeNode GetNode(MonoBehaviour bhv)
+        {
+            var rootNode = new CallTreeNode(bhv, GetType(bhv), $"{bhv.gameObject.name} : {bhv.GetType().Name}");
+            var type = bhv.GetType();
+            foreach (var field in type.GetFields())
+            {
+                // Find Fields that are Callable[]
+                if (field.FieldType.IsAssignableFrom(typeof(Callable[])))
+                {
+                    var node = new CallTreeNode(bhv, CallTreeNodeType.Callable, field.Name);
+                    rootNode.Children.Add(node);
+                    // Add Callables from this Callable[] array
+                    var value = (Callable[])field.GetValue(bhv);
+                    foreach (var call in value)
+                    {
+                        node.Children.Add(GetNode(call));
+                    }
+                }
+            }
+            return rootNode;
+        }
+
+        CallTreeNode GetStateMachineNode(StateMachine sm)
+        {
+            var rootNode = new CallTreeNode(sm, CallTreeNodeType.StateMachine, sm.gameObject.name);
+            var type = sm.GetType();
+            foreach (var field in type.GetFields())
+            {
+                // Find Fields that are State[]
+                if (field.FieldType.IsAssignableFrom(typeof(State[])))
+                {
+                    // Add Callables from this Callable[] array
+                    var value = (State[])field.GetValue(sm);
+                    foreach (var state in value)
+                    {
+                        rootNode.Children.Add(GetStateNode(state));
+                    }
+                }
+            }
+            return rootNode;
+        }
+
+        CallTreeNode GetStateNode(State st)
+        {
+            var rootNode = new CallTreeNode(st, CallTreeNodeType.State, st.gameObject.name);
+            var type = st.GetType();
+            foreach (var field in type.GetFields())
+            {
+                // Find Fields that are Callable[]
+                if (field.FieldType.IsAssignableFrom(typeof(Callable[])))
+                {
+                    var node = new CallTreeNode(st, CallTreeNodeType.Callable, field.Name);
+                    rootNode.Children.Add(node);
+                    // Add Callables from this Callable[] array
+                    var value = (Callable[])field.GetValue(st);
+                    foreach (var call in value)
+                    {
+                        node.Children.Add(GetNode(call));
+                    }
+                }
+            }
+            return rootNode;
+        }
+
+        CallTreeNodeType GetType(MonoBehaviour bhv)
+        {
+            if (bhv == null)
+                return CallTreeNodeType.Callable;
+
+            if (bhv is EventBase)
+                return CallTreeNodeType.Event;
+            else if (bhv is LogicBase)
+                return CallTreeNodeType.Logic;
+            else if (bhv is ActionBase)
+                return CallTreeNodeType.Action;
+            else if (bhv is StateMachine)
+                return CallTreeNodeType.StateMachine;
+            else if (bhv is State)
+                return CallTreeNodeType.State;
+            else if (bhv is OnMessageEvent || bhv is SendMessageAction)
+                return CallTreeNodeType.Message;
+            else
+                return CallTreeNodeType.Callable;
+        }
+
-            public Texture Icon;
-            public GameObject Target;
+            public MonoBehaviour Target;
-
-            public enum CallTreeNodeType
+            public CallTreeNodeType Type;
+            public CallTreeNode(MonoBehaviour target, CallTreeNodeType type, string name = "")
-                Callable,
-                Event,
-                Logic,
-                Action,
-                Message,
-                StateMachine,
-                State
+                Name = string.IsNullOrEmpty(name) ? target.GetType().Name : name;
+                Target = target;
+                Type = type;
+                Children = new List<CallTreeNode>();
+        public enum CallTreeNodeType
+        {
+            Callable,
+            Event,
+            Logic,
+            Action,
+            Message,
+            StateMachine,
+            State
+        }
+
-            List<MonoBehaviour> m_Roots;
-            public CallTreeView(List<MonoBehaviour> roots) : base(new TreeViewState())
+            List<CallTreeNode> m_Roots;
+            Dictionary<int, CallTreeNode> m_Bindings;
+
+            public CallTreeView(List<CallTreeNode> roots) : base(new TreeViewState())
+                m_Bindings = new Dictionary<int, CallTreeNode>();
+                m_Bindings.Clear();
-                foreach(var bh in m_Roots)
+                foreach(var node in m_Roots)
-                    var root_item = new TreeViewItem(id++, 0, bh.name);
-                    treeRoot.AddChild(root_item);
+                    treeRoot.AddChild(GetNode(node, ref id, 0));
+            }
+
+            TreeViewItem GetNode(CallTreeNode node, ref int id, int depth)
+            {
+                var item = new TreeViewItem(id++, depth, $"{node.Name} ({node.Type})");
+                item.icon = GetIcon(node.Type);
+                m_Bindings.Add(id, node);
+
+                foreach(var child in node.Children)
+                {
+                    item.AddChild(GetNode(child, ref id, depth + 1));
+                }
+                return item;
+            }
+
+            Texture2D GetIcon(CallTreeNodeType type)
+            {
+                switch(type)
+                {
+                    default:
+                    case CallTreeNodeType.Callable:
+                        return Styles.Callable;
+                    case CallTreeNodeType.Action:
+                        return Styles.Action;
+                    case CallTreeNodeType.Logic:
+                        return Styles.Logic;
+                    case CallTreeNodeType.Event:
+                        return Styles.Event;
+                    case CallTreeNodeType.Message:
+                        return Styles.Message;
+                    case CallTreeNodeType.State:
+                        return Styles.State;
+                    case CallTreeNodeType.StateMachine:
+                        return Styles.StateMachine;
+                }
+            }
+
+            protected override void SelectionChanged(IList<int> selectedIds)
+            {
+                base.SelectionChanged(selectedIds);
+                if (selectedIds.Count > 0)
+                    Selection.activeObject = m_Bindings[selectedIds[0]].Target;
+            }
+
+            static class Styles
+            {
+                public static Texture2D Callable = Icon("Misc/ic-callable.png");
+                public static Texture2D Action = Icon("Actions/ic-action-generic.png");
+                public static Texture2D Logic = Icon("Logic/ic-generic-logic.png");
+                public static Texture2D Event = Icon("Events/ic-event-generic.png");
+                public static Texture2D Message = Icon("Events/ic-event-message .png");
+                public static Texture2D StateMachine = Icon("Misc/ic-StateMachine.png");
+                public static Texture2D State = Icon("Misc/ic-State.png");
+
+                static Texture2D Icon(string path)
+                {
+                    return AssetDatabase.LoadAssetAtPath<Texture2D>($"Packages/net.peeweek.gameplay-ingredients/Icons/{path}");
+                }
             }
         }
     }

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