Refactor Asset::GetReferences to support file path references

Source/Editor/Cooker/Steps/CollectAssetsStep.cpp

@@ -10,47 +10,26 @@
 #include "Engine/Content/Assets/Shader.h"
 #include "Engine/Content/Cache/AssetsCache.h"
 
-bool CollectAssetsStep::Process(CookingData& data, Asset* asset)
-{
-    // Skip virtual/temporary assets
-    if (asset->IsVirtual())
-        return false;
-
-    // Keep reference to the asset
-    AssetReference<Asset> ref(asset);
-
-    // Asset should have loaded data
-    if (asset->WaitForLoaded())
-        return false;
-
-    // Gather asset references
-    _references.Clear();
-    asset->Locker.Lock();
-    asset->GetReferences(_references);
-    asset->Locker.Unlock();
-    _assetsQueue.Add(_references);
-
-    return false;
-}
-
 bool CollectAssetsStep::Perform(CookingData& data)
 {
     LOG(Info, "Searching for assets to include in a build. Using {0} root assets.", data.RootAssets.Count());
     data.StepProgress(TEXT("Collecting assets"), 0);
 
     // Initialize assets queue
-    _assetsQueue.Clear();
-    _assetsQueue.EnsureCapacity(1024);
+    Array<Guid> assetsQueue;
+    assetsQueue.Clear();
+    assetsQueue.EnsureCapacity(1024);
     for (auto i = data.RootAssets.Begin(); i.IsNotEnd(); ++i)
-        _assetsQueue.Add(i->Item);
+        assetsQueue.Add(i->Item);
 
     // Iterate through the assets graph
     AssetInfo assetInfo;
-    while (_assetsQueue.HasItems())
+    Array<Guid> references;
+    Array<String> files;
+    while (assetsQueue.HasItems())
     {
         BUILD_STEP_CANCEL_CHECK;
-
-        const auto assetId = _assetsQueue.Dequeue();
+        const auto assetId = assetsQueue.Dequeue();
 
         // Skip already processed or invalid assets
         if (!assetId.IsValid()
@@ -69,14 +48,26 @@ bool CollectAssetsStep::Perform(CookingData& data)
         }
 
         // Load asset
-        const auto asset = Content::LoadAsync<Asset>(assetId);
+        AssetReference<Asset> asset = Content::LoadAsync<Asset>(assetId);
         if (asset == nullptr)
             continue;
-
-        // Process that asset
         LOG_STR(Info, asset->GetPath());
         data.Assets.Add(assetId);
-        Process(data, asset);
+
+        // Skip virtual/temporary assets
+        if (asset->IsVirtual())
+            continue;
+
+        // Asset should have loaded data
+        if (asset->WaitForLoaded())
+            continue;
+
+        // Gather asset references
+        references.Clear();
+        asset->Locker.Lock();
+        asset->GetReferences(references, files);
+        asset->Locker.Unlock();
+        assetsQueue.Add(references);
     }
 
     data.Stats.TotalAssets = data.Assets.Count();

Source/Editor/Cooker/Steps/CollectAssetsStep.h

@@ -12,15 +12,7 @@ class Asset;
 /// <seealso cref="GameCooker::BuildStep" />
 class CollectAssetsStep : public GameCooker::BuildStep
 {
-private:
-
-    Array<Guid> _assetsQueue;
-    Array<Guid> _references;
-
-    bool Process(CookingData& data, Asset* asset);
-
 public:
-
     // [BuildStep]
     bool Perform(CookingData& data) override;
 };

Source/Engine/AI/BehaviorTree.cpp

@@ -232,12 +232,12 @@ void BehaviorTree::OnScriptsReloadEnd()
     Graph.Setup(this);
 }
 
-void BehaviorTree::GetReferences(Array<Guid>& output) const
+void BehaviorTree::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
     // Base
-    BinaryAsset::GetReferences(output);
+    BinaryAsset::GetReferences(assets, files);
 
-    Graph.GetReferences(output);
+    Graph.GetReferences(assets);
 
     // Extract refs from serialized nodes data
     for (const BehaviorTreeGraphNode& n : Graph.Nodes)
@@ -246,7 +246,7 @@ void BehaviorTree::GetReferences(Array<Guid>& output) const
             continue;
         const Variant& data = n.Values[1];
         if (data.Type == VariantType::Blob)
-            JsonAssetBase::GetReferences(StringAnsiView((char*)data.AsBlob.Data, data.AsBlob.Length), output);
+            JsonAssetBase::GetReferences(StringAnsiView((char*)data.AsBlob.Data, data.AsBlob.Length), assets);
     }
 }
 

Source/Engine/AI/BehaviorTree.h

@@ -98,7 +98,7 @@ public:
     // [BinaryAsset]
     void OnScriptingDispose() override;
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override;
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 
 protected:

Source/Engine/Animations/SceneAnimations/SceneAnimation.cpp

@@ -75,16 +75,16 @@ bool SceneAnimation::SaveTimeline(const BytesContainer& data)
 
 #if USE_EDITOR
 
-void SceneAnimation::GetReferences(Array<Guid>& output) const
+void SceneAnimation::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
     // Base
-    BinaryAsset::GetReferences(output);
+    BinaryAsset::GetReferences(assets, files);
 
     for (int32 i = 0; i < Tracks.Count(); i++)
     {
         const auto& track = Tracks[i];
         if (track.Asset)
-            output.Add(track.Asset->GetID());
+            assets.Add(track.Asset->GetID());
     }
 }
 

Source/Engine/Animations/SceneAnimations/SceneAnimation.h

@@ -464,7 +464,7 @@ public:
 public:
     // [BinaryAsset]
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override;
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 
 protected:

Source/Engine/Content/Asset.cpp

@@ -536,6 +536,14 @@ void Asset::CancelStreaming()
 
 #if USE_EDITOR
 
+void Asset::GetReferences(Array<Guid>& assets, Array<String>& files) const
+{
+    // Fallback to the old API
+PRAGMA_DISABLE_DEPRECATION_WARNINGS;
+    GetReferences(assets);
+PRAGMA_ENABLE_DEPRECATION_WARNINGS;
+}
+
 void Asset::GetReferences(Array<Guid>& output) const
 {
     // No refs by default
@@ -544,7 +552,8 @@ void Asset::GetReferences(Array<Guid>& output) const
 Array<Guid> Asset::GetReferences() const
 {
     Array<Guid> result;
-    GetReferences(result);
+    Array<String> files;
+    GetReferences(result, files);
     return result;
 }
 

Source/Engine/Content/Asset.h

@@ -179,10 +179,13 @@ public:
     /// For some asset types (e.g. scene or prefab) it may contain invalid asset ids due to not perfect gather method,
     /// which is optimized to perform scan very quickly. Before using those ids perform simple validation via Content cache API.
     /// The result collection contains only 1-level-deep references (only direct ones) and is invalid if asset is not loaded.
-    /// Also the output data may have duplicated asset ids or even invalid ids (Guid::Empty).
+    /// Also, the output data may have duplicated asset ids or even invalid ids (Guid::Empty).
     /// </remarks>
-    /// <param name="output">The output collection of the asset ids referenced by this asset.</param>
-    virtual void GetReferences(Array<Guid, HeapAllocation>& output) const;
+    /// <param name="assets">The output collection of the asset ids referenced by this asset.</param>
+    /// <param name="files">The output list of file paths referenced by this asset. Files might come from project Content folder (relative path is preserved in cooked game), or external location (copied into Content root folder of cooked game).</param>
+    virtual void GetReferences(Array<Guid, HeapAllocation>& assets, Array<String, HeapAllocation>& files) const;
+    // [Deprecated in v1.9]
+    DEPRECATED virtual void GetReferences(Array<Guid, HeapAllocation>& output) const;
 
     /// <summary>
     /// Gets the asset references. Supported only in Editor.
@@ -191,7 +194,7 @@ public:
     /// For some asset types (e.g. scene or prefab) it may contain invalid asset ids due to not perfect gather method,
     /// which is optimized to perform scan very quickly. Before using those ids perform simple validation via Content cache API.
     /// The result collection contains only 1-level-deep references (only direct ones) and is invalid if asset is not loaded.
-    /// Also the output data may have duplicated asset ids or even invalid ids (Guid::Empty).
+    /// Also, the output data may have duplicated asset ids or even invalid ids (Guid::Empty).
     /// </remarks>
     /// <returns>The collection of the asset ids referenced by this asset.</returns>
     API_FUNCTION() Array<Guid, HeapAllocation> GetReferences() const;

Source/Engine/Content/Assets/AnimationGraph.cpp

@@ -222,12 +222,10 @@ void AnimationGraph::FindDependencies(AnimGraphBase* graph)
     }
 }
 
-void AnimationGraph::GetReferences(Array<Guid>& output) const
+void AnimationGraph::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
-    // Base
-    BinaryAsset::GetReferences(output);
-
-    Graph.GetReferences(output);
+    BinaryAsset::GetReferences(assets, files);
+    Graph.GetReferences(assets);
 }
 
 #endif

Source/Engine/Content/Assets/AnimationGraph.h

@@ -64,7 +64,7 @@ private:
 public:
     // [BinaryAsset]
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override;
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 
 protected:

Source/Engine/Content/Assets/MaterialBase.cpp

@@ -45,3 +45,13 @@ MaterialInstance* MaterialBase::CreateVirtualInstance()
     instance->SetBaseMaterial(this);
     return instance;
 }
+
+#if USE_EDITOR
+
+void MaterialBase::GetReferences(Array<Guid>& assets, Array<String>& files) const
+{
+    BinaryAsset::GetReferences(assets, files);
+    Params.GetReferences(assets);
+}
+
+#endif

Source/Engine/Content/Assets/MaterialBase.h

@@ -25,7 +25,7 @@ public:
     Action ParamsChanged;
 
     /// <summary>
-    /// Returns true if material is an material instance.
+    /// Returns true if material is a material instance.
     /// </summary>
     virtual bool IsMaterialInstance() const = 0;
 
@@ -77,12 +77,6 @@ public:
 public:
     // [BinaryAsset]
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override
-    {
-        // Base
-        BinaryAsset::GetReferences(output);
-
-        Params.GetReferences(output);
-    }
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 };

Source/Engine/Content/Assets/MaterialInstance.cpp

@@ -123,13 +123,11 @@ bool MaterialInstance::IsMaterialInstance() const
 
 #if USE_EDITOR
 
-void MaterialInstance::GetReferences(Array<Guid>& output) const
+void MaterialInstance::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
-    // Base
-    MaterialBase::GetReferences(output);
-
+    MaterialBase::GetReferences(assets, files);
     if (_baseMaterial)
-        output.Add(_baseMaterial->GetID());
+        assets.Add(_baseMaterial->GetID());
 }
 
 #endif

Source/Engine/Content/Assets/MaterialInstance.h

@@ -50,7 +50,7 @@ public:
     // [MaterialBase]
     bool IsMaterialInstance() const override;
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override;
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 
     // [IMaterial]

Source/Engine/Content/Assets/Model.cpp

@@ -788,15 +788,13 @@ void Model::CancelStreaming()
 
 #if USE_EDITOR
 
-void Model::GetReferences(Array<Guid>& output) const
+void Model::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
     // Base
-    BinaryAsset::GetReferences(output);
+    BinaryAsset::GetReferences(assets, files);
 
     for (int32 i = 0; i < MaterialSlots.Count(); i++)
-    {
-        output.Add(MaterialSlots[i].Material.GetID());
-    }
+        assets.Add(MaterialSlots[i].Material.GetID());
 }
 
 #endif

Source/Engine/Content/Assets/Model.h

@@ -251,7 +251,7 @@ public:
     void InitAsVirtual() override;
     void CancelStreaming() override;
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override;
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 
     // [StreamableResource]

Source/Engine/Content/Assets/SkeletonMask.h

@@ -68,12 +68,10 @@ private:
 public:
     // [BinaryAsset]
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override
     {
-        // Base
-        BinaryAsset::GetReferences(output);
-
-        output.Add(Skeleton.GetID());
+        BinaryAsset::GetReferences(assets, files);
+        assets.Add(Skeleton.GetID());
     }
 #endif
 

Source/Engine/Content/Assets/SkinnedModel.cpp

@@ -974,15 +974,13 @@ void SkinnedModel::CancelStreaming()
 
 #if USE_EDITOR
 
-void SkinnedModel::GetReferences(Array<Guid>& output) const
+void SkinnedModel::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
     // Base
-    BinaryAsset::GetReferences(output);
+    BinaryAsset::GetReferences(assets, files);
 
     for (int32 i = 0; i < MaterialSlots.Count(); i++)
-    {
-        output.Add(MaterialSlots[i].Material.GetID());
-    }
+        assets.Add(MaterialSlots[i].Material.GetID());
 }
 
 #endif

Source/Engine/Content/Assets/SkinnedModel.h

@@ -323,7 +323,7 @@ public:
     void InitAsVirtual() override;
     void CancelStreaming() override;
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override;
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 
     // [StreamableResource]

Source/Engine/Content/Assets/VisualScript.h

@@ -277,12 +277,10 @@ public:
 public:
     // [BinaryAsset]
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override
     {
-        // Base
-        BinaryAsset::GetReferences(output);
-
-        Graph.GetReferences(output);
+        BinaryAsset::GetReferences(assets, files);
+        Graph.GetReferences(assets);
     }
 #endif
 

Source/Engine/Content/JsonAsset.cpp

@@ -109,20 +109,20 @@ uint64 JsonAssetBase::GetMemoryUsage() const
 
 #if USE_EDITOR
 
-void FindIds(ISerializable::DeserializeStream& node, Array<Guid>& output)
+void FindIds(ISerializable::DeserializeStream& node, Array<Guid>& output, Array<String>& files)
 {
     if (node.IsObject())
     {
         for (auto i = node.MemberBegin(); i != node.MemberEnd(); ++i)
         {
-            FindIds(i->value, output);
+            FindIds(i->value, output, files);
         }
     }
     else if (node.IsArray())
     {
         for (rapidjson::SizeType i = 0; i < node.Size(); i++)
         {
-            FindIds(node[i], output);
+            FindIds(node[i], output, files);
         }
     }
     else if (node.IsString())
@@ -137,13 +137,14 @@ void FindIds(ISerializable::DeserializeStream& node, Array<Guid>& output)
     }
 }
 
-void JsonAssetBase::GetReferences(const StringAnsiView& json, Array<Guid>& output)
+void JsonAssetBase::GetReferences(const StringAnsiView& json, Array<Guid>& assets)
 {
     ISerializable::SerializeDocument document;
     document.Parse(json.Get(), json.Length());
     if (document.HasParseError())
         return;
-    FindIds(document, output);
+    Array<String> files;
+    FindIds(document, assets, files);
 }
 
 bool JsonAssetBase::Save(const StringView& path) const
@@ -207,7 +208,7 @@ bool JsonAssetBase::Save(JsonWriter& writer) const
     return false;
 }
 
-void JsonAssetBase::GetReferences(Array<Guid>& output) const
+void JsonAssetBase::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
     if (Data == nullptr)
         return;
@@ -219,7 +220,7 @@ void JsonAssetBase::GetReferences(Array<Guid>& output) const
     // It produces many invalid ids (like refs to scene objects).
     // But it's super fast, super low-memory and doesn't involve any advanced systems integration.
 
-    FindIds(*Data, output);
+    FindIds(*Data, assets, files);
 }
 
 #endif

Source/Engine/Content/JsonAsset.h

@@ -70,8 +70,8 @@ public:
     /// Parses Json string to find any object references inside it. It can produce list of references to assets and/or scene objects. Supported only in Editor.
     /// </summary>
     /// <param name="json">The Json string.</param>
-    /// <param name="output">The output list of object IDs references by the asset (appended, not cleared).</param>
-    API_FUNCTION() static void GetReferences(const StringAnsiView& json, API_PARAM(Out) Array<Guid, HeapAllocation>& output);
+    /// <param name="assets">The output list of object IDs references by the asset (appended, not cleared).</param>
+    API_FUNCTION() static void GetReferences(const StringAnsiView& json, API_PARAM(Out) Array<Guid, HeapAllocation>& assets);
 
     /// <summary>
     /// Saves this asset to the file. Supported only in Editor.
@@ -97,7 +97,7 @@ public:
     const String& GetPath() const override;
     uint64 GetMemoryUsage() const override;
 #if USE_EDITOR
-    void GetReferences(Array<Guid, HeapAllocation>& output) const override;
+    void GetReferences(Array<Guid, HeapAllocation>& assets, Array<String, HeapAllocation>& files) const override;
 #endif
 
 protected:

Source/Engine/Graphics/Materials/MaterialParams.cpp

@@ -1042,12 +1042,12 @@ void MaterialParams::Save(BytesContainer& data, const Array<SerializedMaterialPa
 
 #if USE_EDITOR
 
-void MaterialParams::GetReferences(Array<Guid>& output) const
+void MaterialParams::GetReferences(Array<Guid>& assets) const
 {
     for (int32 i = 0; i < Count(); i++)
     {
         if (At(i)._asAsset)
-            output.Add(At(i)._asAsset->GetID());
+            assets.Add(At(i)._asAsset->GetID());
     }
 }
 

Source/Engine/Graphics/Materials/MaterialParams.h

@@ -417,13 +417,11 @@ public:
 
 public:
 #if USE_EDITOR
-
     /// <summary>
     /// Gets the asset references (see Asset.GetReferences for more info).
     /// </summary>
-    /// <param name="output">The output.</param>
-    void GetReferences(Array<Guid>& output) const;
-
+    /// <param name="assets">The output assets.</param>
+    void GetReferences(Array<Guid>& assets) const;
 #endif
 
     bool HasContentLoaded() const;

Source/Engine/Level/Scene/Scene.cpp

@@ -127,7 +127,8 @@ Array<Guid> Scene::GetAssetReferences() const
     const auto asset = Content::Load<SceneAsset>(GetID());
     if (asset)
     {
-        asset->GetReferences(result);
+        Array<String> files;
+        asset->GetReferences(result, files);
     }
     else
     {

Source/Engine/Particles/ParticleEmitter.h

@@ -172,12 +172,10 @@ public:
 public:
     // [BinaryAsset]
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override
     {
-        // Base
-        BinaryAsset::GetReferences(output);
-
-        Graph.GetReferences(output);
+        BinaryAsset::GetReferences(assets, files);
+        Graph.GetReferences(assets);
     }
 #endif
 

Source/Engine/Particles/ParticleSystem.cpp

@@ -181,19 +181,19 @@ void ParticleSystem::InitAsVirtual()
 
 #if USE_EDITOR
 
-void ParticleSystem::GetReferences(Array<Guid>& output) const
+void ParticleSystem::GetReferences(Array<Guid>& assets, Array<String>& files) const
 {
     // Base
-    BinaryAsset::GetReferences(output);
+    BinaryAsset::GetReferences(assets, files);
 
     for (int32 i = 0; i < Emitters.Count(); i++)
-        output.Add(Emitters[i].GetID());
+        assets.Add(Emitters[i].GetID());
 
     for (auto i = EmittersParametersOverrides.Begin(); i.IsNotEnd(); ++i)
     {
         const auto id = (Guid)i->Value;
         if (id.IsValid())
-            output.Add(id);
+            assets.Add(id);
     }
 }
 

Source/Engine/Particles/ParticleSystem.h

@@ -13,6 +13,7 @@
 API_CLASS(NoSpawn) class FLAXENGINE_API ParticleSystem : public BinaryAsset
 {
     DECLARE_BINARY_ASSET_HEADER(ParticleSystem, 1);
+
 public:
     /// <summary>
     /// The particle system timeline track data.
@@ -173,7 +174,7 @@ public:
     /// Spawns the particles at the given location.
     /// </summary>
     /// <param name="position">The spawn position.</param>
-    /// <param name="autoDestroy">If set to <c>true</c> effect be be auto-destroyed after duration.</param>
+    /// <param name="autoDestroy">If set to <c>true</c> effect be auto-destroyed after duration.</param>
     /// <returns>The spawned effect.</returns>
     API_FUNCTION() ParticleEffect* Spawn(const Vector3& position, bool autoDestroy = false)
     {
@@ -185,7 +186,7 @@ public:
     /// </summary>
     /// <param name="position">The spawn position.</param>
     /// <param name="rotation">The spawn rotation.</param>
-    /// <param name="autoDestroy">If set to <c>true</c> effect be be auto-destroyed after duration.</param>
+    /// <param name="autoDestroy">If set to <c>true</c> effect be auto-destroyed after duration.</param>
     /// <returns>The spawned effect.</returns>
     API_FUNCTION() ParticleEffect* Spawn(const Vector3& position, const Quaternion& rotation, bool autoDestroy = false)
     {
@@ -196,9 +197,9 @@ public:
     /// Spawns the particles at the given location.
     /// </summary>
     /// <param name="transform">The spawn transform.</param>
-    /// <param name="autoDestroy">If set to <c>true</c> effect be be auto-destroyed after duration.</param>
+    /// <param name="autoDestroy">If set to <c>true</c> effect be auto-destroyed after duration.</param>
     /// <returns>The spawned effect.</returns>
-    API_FUNCTION() ParticleEffect* Spawn(Transform transform, bool autoDestroy = false)
+    API_FUNCTION() ParticleEffect* Spawn(const Transform& transform, bool autoDestroy = false)
     {
         return Spawn(nullptr, transform, autoDestroy);
     }
@@ -208,7 +209,7 @@ public:
     /// </summary>
     /// <param name="parent">The parent actor (can be null to link it to the first loaded scene).</param>
     /// <param name="position">The spawn position.</param>
-    /// <param name="autoDestroy">If set to <c>true</c> effect be be auto-destroyed after duration.</param>
+    /// <param name="autoDestroy">If set to <c>true</c> effect be auto-destroyed after duration.</param>
     /// <returns>The spawned effect.</returns>
     API_FUNCTION() ParticleEffect* Spawn(Actor* parent, const Vector3& position, bool autoDestroy = false)
     {
@@ -221,7 +222,7 @@ public:
     /// <param name="parent">The parent actor (can be null to link it to the first loaded scene).</param>
     /// <param name="position">The spawn position.</param>
     /// <param name="rotation">The spawn rotation.</param>
-    /// <param name="autoDestroy">If set to <c>true</c> effect be be auto-destroyed after duration.</param>
+    /// <param name="autoDestroy">If set to <c>true</c> effect be auto-destroyed after duration.</param>
     /// <returns>The spawned effect.</returns>
     API_FUNCTION() ParticleEffect* Spawn(Actor* parent, Vector3 position, Quaternion rotation, bool autoDestroy = false)
     {
@@ -233,7 +234,7 @@ public:
     /// </summary>
     /// <param name="parent">The parent actor (can be null to link it to the first loaded scene).</param>
     /// <param name="transform">The spawn transform.</param>
-    /// <param name="autoDestroy">If set to <c>true</c> effect be be auto-destroyed after duration.</param>
+    /// <param name="autoDestroy">If set to <c>true</c> effect be auto-destroyed after duration.</param>
     /// <returns>The spawned effect.</returns>
     API_FUNCTION() ParticleEffect* Spawn(Actor* parent, const Transform& transform, bool autoDestroy = false);
 
@@ -241,7 +242,7 @@ public:
     // [BinaryAsset]
     void InitAsVirtual() override;
 #if USE_EDITOR
-    void GetReferences(Array<Guid>& output) const override;
+    void GetReferences(Array<Guid>& assets, Array<String>& files) const override;
 #endif
 
 protected:

Source/Engine/Visject/Graph.h

@@ -529,15 +529,15 @@ public:
     /// Gets the asset references.
     /// </summary>
     /// </remarks>
-    /// <param name="output">The output collection of the asset ids referenced by this object.</param>
-    virtual void GetReferences(Array<Guid>& output) const
+    /// <param name="assets">The output collection of the asset ids referenced by this object.</param>
+    virtual void GetReferences(Array<Guid>& assets) const
     {
         for (int32 i = 0; i < Parameters.Count(); i++)
         {
             const auto& p = Parameters[i];
             const Guid id = (Guid)p.Value;
             if (id.IsValid())
-                output.Add(id);
+                assets.Add(id);
         }
 
         for (int32 i = 0; i < Nodes.Count(); i++)
@@ -547,7 +547,7 @@ public:
             {
                 const Guid id = (Guid)n.Values[j];
                 if (id.IsValid())
-                    output.Add(id);
+                    assets.Add(id);
             }
         }
     }