Profiles - Added system that displays when a layer is causing errors

src/Artemis.Core/Models/Profile/Folder.cs

@@ -183,18 +183,15 @@ namespace Artemis.Core
 
             lock (Timeline)
             {
-                foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => !e.Suspended))
-                {
-                    baseLayerEffect.BaseProperties?.Update(Timeline);
-                    baseLayerEffect.Update(Timeline.Delta.TotalSeconds);
-                }
+                foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => !e.Suspended)) 
+                    baseLayerEffect.InternalUpdate(Timeline);
 
                 SKPaint layerPaint = new() {FilterQuality = SKFilterQuality.Low};
                 try
                 {
                     SKRectI rendererBounds = SKRectI.Create(0, 0, Bounds.Width, Bounds.Height);
                     foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => !e.Suspended))
-                        baseLayerEffect.PreProcess(canvas, rendererBounds, layerPaint);
+                        baseLayerEffect.InternalPreProcess(canvas, rendererBounds, layerPaint);
 
                     // No point rendering if the alpha was set to zero by one of the effects
                     if (layerPaint.Color.Alpha == 0)
@@ -208,7 +205,7 @@ namespace Artemis.Core
                         Children[index].Render(canvas, new SKPointI(Bounds.Left, Bounds.Top));
 
                     foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => !e.Suspended))
-                        baseLayerEffect.PostProcess(canvas, rendererBounds, layerPaint);
+                        baseLayerEffect.InternalPostProcess(canvas, rendererBounds, layerPaint);
                 }
                 finally
                 {
@@ -228,8 +225,6 @@ namespace Artemis.Core
             if (Enabled)
                 return;
 
-            Debug.WriteLine($"Enabling {this}");
-
             foreach (BaseLayerEffect baseLayerEffect in LayerEffects)
                 baseLayerEffect.InternalEnable();
 
@@ -248,8 +243,6 @@ namespace Artemis.Core
             if (!Enabled)
                 return;
 
-            Debug.WriteLine($"Disabled {this}");
-
             foreach (BaseLayerEffect baseLayerEffect in LayerEffects)
                 baseLayerEffect.InternalDisable();
 
@@ -344,5 +337,15 @@ namespace Artemis.Core
         {
             RenderPropertiesUpdated?.Invoke(this, EventArgs.Empty);
         }
+
+        #region Overrides of BreakableModel
+
+        /// <inheritdoc />
+        public override IEnumerable<IBreakableModel> GetBrokenHierarchy()
+        {
+            return LayerEffects.Where(e => e.BrokenState != null);
+        }
+
+        #endregion
     }
 }

src/Artemis.Core/Models/Profile/Layer.cs

@@ -206,6 +206,7 @@ namespace Artemis.Core
                 GetType().GetProperty(nameof(Transform))!,
                 typeof(PropertyGroupDescriptionAttribute)
             )!;
+
             General.GroupDescription = (PropertyGroupDescriptionAttribute) generalAttribute;
             General.Initialize(this, "General.", Constants.CorePluginFeature);
             Transform.GroupDescription = (PropertyGroupDescriptionAttribute) transformAttribute;
@@ -288,7 +289,7 @@ namespace Artemis.Core
 
             // Adaption hints
             Adapter.Save();
-            
+
             SaveRenderElement();
         }
 
@@ -320,7 +321,7 @@ namespace Artemis.Core
         {
             if (Disposed)
                 throw new ObjectDisposedException("Layer");
-            
+
             UpdateDisplayCondition();
             UpdateTimeline(deltaTime);
 
@@ -366,9 +367,17 @@ namespace Artemis.Core
             if (Enabled)
                 return;
 
-            LayerBrush?.InternalEnable();
-            foreach (BaseLayerEffect baseLayerEffect in LayerEffects)
-                baseLayerEffect.InternalEnable();
+            bool tryOrBreak = TryOrBreak(() => LayerBrush?.InternalEnable(), "Failed to enable layer brush");
+            if (!tryOrBreak)
+                return;
+
+            tryOrBreak = TryOrBreak(() =>
+            {
+                foreach (BaseLayerEffect baseLayerEffect in LayerEffects)
+                    baseLayerEffect.InternalEnable();
+            }, "Failed to enable one or more effects");
+            if (!tryOrBreak)
+                return;
 
             Enabled = true;
         }
@@ -393,17 +402,10 @@ namespace Artemis.Core
 
             General.Update(timeline);
             Transform.Update(timeline);
-            if (LayerBrush != null)
-            {
-                LayerBrush.BaseProperties?.Update(timeline);
-                LayerBrush.Update(timeline.Delta.TotalSeconds);
-            }
+            LayerBrush?.InternalUpdate(timeline);
 
             foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => !e.Suspended))
-            {
-                baseLayerEffect.BaseProperties?.Update(timeline);
-                baseLayerEffect.Update(timeline.Delta.TotalSeconds);
-            }
+                baseLayerEffect.InternalUpdate(timeline);
         }
 
         private void RenderTimeline(Timeline timeline, SKCanvas canvas, SKPointI basePosition)
@@ -477,9 +479,9 @@ namespace Artemis.Core
         {
             if (LayerBrush == null)
                 throw new ArtemisCoreException("The layer is not yet ready for rendering");
-            
+
             foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => !e.Suspended))
-                baseLayerEffect.PreProcess(canvas, bounds, layerPaint);
+                baseLayerEffect.InternalPreProcess(canvas, bounds, layerPaint);
 
             try
             {
@@ -492,7 +494,7 @@ namespace Artemis.Core
                 LayerBrush.InternalRender(canvas, bounds, layerPaint);
 
                 foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => !e.Suspended))
-                    baseLayerEffect.PostProcess(canvas, bounds, layerPaint);
+                    baseLayerEffect.InternalPostProcess(canvas, bounds, layerPaint);
             }
 
             finally
@@ -722,16 +724,24 @@ namespace Artemis.Core
 
         internal void ActivateLayerBrush()
         {
-            LayerBrushReference? current = General.BrushReference.CurrentValue;
-            if (current == null)
-                return;
+            try
+            {
+                LayerBrushReference? current = General.BrushReference.CurrentValue;
+                if (current == null)
+                    return;
 
-            LayerBrushDescriptor? descriptor = current.LayerBrushProviderId != null && current.BrushType != null
-                ? LayerBrushStore.Get(current.LayerBrushProviderId, current.BrushType)?.LayerBrushDescriptor
-                : null;
-            descriptor?.CreateInstance(this);
+                LayerBrushDescriptor? descriptor = current.LayerBrushProviderId != null && current.BrushType != null
+                    ? LayerBrushStore.Get(current.LayerBrushProviderId, current.BrushType)?.LayerBrushDescriptor
+                    : null;
+                descriptor?.CreateInstance(this);
 
-            OnLayerBrushUpdated();
+                OnLayerBrushUpdated();
+                ClearBrokenState("Failed to initialize layer brush");
+            }
+            catch (Exception e)
+            {
+                SetBrokenState("Failed to initialize layer brush", e);
+            }
         }
 
         internal void DeactivateLayerBrush()
@@ -747,6 +757,19 @@ namespace Artemis.Core
         }
 
         #endregion
+
+        #region Overrides of BreakableModel
+
+        /// <inheritdoc />
+        public override IEnumerable<IBreakableModel> GetBrokenHierarchy()
+        {
+            if (LayerBrush?.BrokenState != null)
+                yield return LayerBrush;
+            foreach (BaseLayerEffect baseLayerEffect in LayerEffects.Where(e => e.BrokenState != null))
+                yield return baseLayerEffect;
+        }
+
+        #endregion
     }
 
     /// <summary>

src/Artemis.Core/Models/Profile/Profile.cs

@@ -27,6 +27,7 @@ namespace Artemis.Core
 
             UndoStack = new MaxStack<string>(20);
             RedoStack = new MaxStack<string>(20);
+            Exceptions = new List<Exception>();
 
             Load();
         }
@@ -77,6 +78,7 @@ namespace Artemis.Core
 
         internal MaxStack<string> UndoStack { get; set; }
         internal MaxStack<string> RedoStack { get; set; }
+        internal List<Exception> Exceptions { get; }
 
         /// <inheritdoc />
         public override void Update(double deltaTime)
@@ -113,6 +115,13 @@ namespace Artemis.Core
 
                 foreach (ProfileScript profileScript in Scripts)
                     profileScript.OnProfileRendered(canvas, canvas.LocalClipBounds);
+
+                if (!Exceptions.Any())
+                    return;
+
+                List<Exception> exceptions = new(Exceptions);
+                Exceptions.Clear();
+                throw new AggregateException($"One or more exceptions while rendering profile {Name}", exceptions);
             }
         }
 
@@ -238,5 +247,18 @@ namespace Artemis.Core
                 ProfileEntity.ScriptConfigurations.Add(scriptConfiguration.Entity);
             }
         }
+
+        #region Overrides of BreakableModel
+
+        /// <inheritdoc />
+        public override IEnumerable<IBreakableModel> GetBrokenHierarchy()
+        {
+            foreach (IBreakableModel breakableModel in GetAllFolders().SelectMany(folders => folders.GetBrokenHierarchy()))
+                yield return breakableModel;
+            foreach (IBreakableModel breakableModel in GetAllLayers().SelectMany(layer => layer.GetBrokenHierarchy()))
+                yield return breakableModel;
+        }
+
+        #endregion
     }
 }

src/Artemis.Core/Models/Profile/ProfileElement.cs

@@ -9,7 +9,7 @@ namespace Artemis.Core
     /// <summary>
     ///     Represents an element of a <see cref="Profile" />
     /// </summary>
-    public abstract class ProfileElement : CorePropertyChanged, IDisposable
+    public abstract class ProfileElement : BreakableModel, IDisposable
     {
         private Guid _entityId;
         private string? _name;
@@ -25,7 +25,7 @@ namespace Artemis.Core
             _profile = profile;
             ChildrenList = new List<ProfileElement>();
         }
-        
+
         /// <summary>
         ///     Gets the unique ID of this profile element
         /// </summary>
@@ -121,6 +121,13 @@ namespace Artemis.Core
             return $"{nameof(EntityId)}: {EntityId}, {nameof(Order)}: {Order}, {nameof(Name)}: {Name}";
         }
 
+        #region Overrides of BreakableModel
+
+        /// <inheritdoc />
+        public override string BrokenDisplayName => Name ?? GetType().Name;
+
+        #endregion
+
         #region Hierarchy
 
         /// <summary>
@@ -234,7 +241,7 @@ namespace Artemis.Core
         internal abstract void Save();
 
         #endregion
-
+        
         #region IDisposable
 
         /// <inheritdoc />