Add red/green highlights to debug BT node decorator result

Source/Editor/Options/OptionsModule.cs

@@ -299,6 +299,7 @@ namespace FlaxEditor.Options
                 TextBoxBackgroundSelected = Color.FromBgra(0xFF3F3F46),
                 CollectionBackgroundColor = Color.FromBgra(0x14CCCCCC),
                 ProgressNormal = Color.FromBgra(0xFF0ad328),
+                ProgressError = new Color(0.79f, 0.146f, 0.0f, 1.0f),
                 Selection = Color.Orange * 0.4f,
                 SelectionBorder = Color.Orange,
 
@@ -362,6 +363,7 @@ namespace FlaxEditor.Options
                 TextBoxBackgroundSelected = new Color(0.73f, 0.73f, 0.80f, 1f),
                 CollectionBackgroundColor = new Color(0.85f, 0.85f, 0.88f, 1f),
                 ProgressNormal = new Color(0.03f, 0.65f, 0.12f, 1f),
+                ProgressError = new Color(0.79f, 0.146f, 0.0f, 1.0f),
                 Selection = Color.Orange * 0.4f,
                 SelectionBorder = Color.Orange,
 

Source/Editor/Surface/Archetypes/BehaviorTree.cs

@@ -30,6 +30,7 @@ namespace FlaxEditor.Surface.Archetypes
             protected const float DecoratorsMarginY = 2.0f;
 
             protected bool _debugRelevant;
+            protected int _debugDecoratorResult = -1;
             protected string _debugInfo;
             protected Float2 _debugInfoSize;
             protected ScriptType _type;
@@ -90,6 +91,7 @@ namespace FlaxEditor.Surface.Archetypes
             protected virtual void UpdateDebugInfo(BehaviorTreeNode instance = null, Behavior behavior = null)
             {
                 _debugRelevant = false;
+                _debugDecoratorResult = -1;
                 _debugInfo = null;
                 _debugInfoSize = Float2.Zero;
                 if (!instance)
@@ -98,6 +100,8 @@ namespace FlaxEditor.Surface.Archetypes
                 {
                     // Get debug description for the node based on the current settings
                     _debugRelevant = Behavior.GetNodeDebugRelevancy(instance, behavior);
+                    if (instance is BehaviorTreeDecorator decorator && behavior && behavior.IsDuringPlay && behavior.Result == BehaviorUpdateResult.Running)
+                        _debugDecoratorResult = Behavior.GetDecoratorDebugResult(decorator, behavior);
                     _debugInfo = Behavior.GetNodeDebugInfo(instance, behavior);
                     if (!string.IsNullOrEmpty(_debugInfo))
                         _debugInfoSize = Style.Current.FontSmall.MeasureText(_debugInfo);
@@ -808,7 +812,12 @@ namespace FlaxEditor.Surface.Archetypes
                 // Debug Info
                 if (!string.IsNullOrEmpty(_debugInfo))
                 {
-                    Render2D.DrawText(style.FontSmall, _debugInfo, new Rectangle(4, _headerRect.Bottom, _debugInfoSize), style.Foreground, TextAlignment.Near, TextAlignment.Center, TextWrapping.NoWrap, 1, 0.8f);
+                    var color = style.Foreground;
+                    if (_debugDecoratorResult == 0)
+                        color = style.ProgressError;
+                    else if (_debugDecoratorResult == 1)
+                        color = style.ProgressNormal;
+                    Render2D.DrawText(style.FontSmall, _debugInfo, new Rectangle(4, _headerRect.Bottom, _debugInfoSize), color, TextAlignment.Near, TextAlignment.Center, TextWrapping.NoWrap, 1, 0.8f);
                 }
 
                 // Outline

Source/Engine/AI/Behavior.cpp

@@ -209,7 +209,25 @@ String Behavior::GetNodeDebugInfo(const BehaviorTreeNode* node, Behavior* behavi
     if (!node)
         return String::Empty;
     BehaviorUpdateContext context;
+    InitNodeDebugContext(node, behavior, context);
+    return node->GetDebugInfo(context);
+}
+
+int32 Behavior::GetDecoratorDebugResult(BehaviorTreeDecorator* node, Behavior* behavior)
+{
+    if (!node)
+        return -1;
+    BehaviorUpdateContext context;
+    InitNodeDebugContext(node, behavior, context);
+    return node->CanUpdate(context) ? 1 : 0;
+}
+
+void Behavior::InitNodeDebugContext(const BehaviorTreeNode* node, Behavior* behavior, BehaviorUpdateContext& context)
+{
+    // Zero out context
     Platform::MemoryClear(&context, sizeof(context));
+
+    // Check if the node is relevant (active in tree with state created)
     if (GetNodeDebugRelevancy(node, behavior))
     {
         // Pass behavior and knowledge data only for relevant nodes to properly access it
@@ -219,7 +237,6 @@ String Behavior::GetNodeDebugInfo(const BehaviorTreeNode* node, Behavior* behavi
         context.RelevantNodes = &behavior->_knowledge.RelevantNodes;
         context.Time = behavior->_totalTime;
     }
-    return node->GetDebugInfo(context);
 }
 
 #endif

Source/Engine/AI/Behavior.h

@@ -110,5 +110,7 @@ private:
     // Editor-only utilities to debug nodes state.
     API_FUNCTION(Internal) static bool GetNodeDebugRelevancy(const BehaviorTreeNode* node, const Behavior* behavior);
     API_FUNCTION(Internal) static String GetNodeDebugInfo(const BehaviorTreeNode* node, Behavior* behavior);
+    API_FUNCTION(Internal) static int32 GetDecoratorDebugResult(class BehaviorTreeDecorator* node, Behavior* behavior);
+    static void InitNodeDebugContext(const BehaviorTreeNode* node, Behavior* behavior, BehaviorUpdateContext& context);
 #endif
 };

Source/Engine/Scripting/Scripting.cs

@@ -300,6 +300,7 @@ namespace FlaxEngine
                 TextBoxBackgroundSelected = Color.FromBgra(0xFF3F3F46),
                 CollectionBackgroundColor = Color.FromBgra(0x14CCCCCC),
                 ProgressNormal = Color.FromBgra(0xFF0ad328),
+                ProgressError = new Color(0.79f, 0.146f, 0.0f, 1.0f),
                 Statusbar = new Style.StatusbarStyle
                 {
                     PlayMode = Color.FromBgra(0xFF2F9135),

Source/Engine/UI/GUI/Style.cs

@@ -170,6 +170,12 @@ namespace FlaxEngine.GUI
         [EditorOrder(200)]
         public Color ProgressNormal;
 
+        /// <summary>
+        /// The progress error color.
+        /// </summary>
+        [EditorOrder(201)]
+        public Color ProgressError;
+
         /// <summary>
         /// The selection and drag drop highlights colors.
         /// </summary>