Merge remote-tracking branch 'origin/1.11' into sdl_platform_1.11

# Conflicts:
#	Source/Engine/Platform/Windows/WindowsPlatform.cpp
#	Source/Tools/Flax.Build/Build/ProjectTarget.cs
#	Source/Tools/Flax.Build/Configuration.cs

Content/Editor/MaterialTemplates/Features/ForwardShading.hlsl

@@ -28,6 +28,13 @@ TextureCube SkyLightTexture : register(t__SRV__);
 Buffer<float4> ShadowsBuffer : register(t__SRV__);
 Texture2D<float> ShadowMap : register(t__SRV__);
 @4// Forward Shading: Utilities
+// Public accessors for lighting data, use them as data binding might change but those methods will remain.
+LightData GetDirectionalLight() { return DirectionalLight; }
+LightData GetSkyLight() { return SkyLight; }
+ProbeData GetEnvironmentProbe() { return EnvironmentProbe; }
+ExponentialHeightFogData GetExponentialHeightFog() { return ExponentialHeightFog; }
+uint GetLocalLightsCount() { return LocalLightsCount; }
+LightData GetLocalLight(uint i) { return LocalLights[i]; }
 @5// Forward Shading: Shaders
 
 // Pixel Shader function for Forward Pass
@@ -76,9 +83,8 @@ void PS_Forward(
 	gBuffer.ShadingModel = MATERIAL_SHADING_MODEL;
 
 	// Calculate lighting from a single directional light
-	float4 shadowMask = 1.0f;
 	ShadowSample shadow = SampleDirectionalLightShadow(DirectionalLight, ShadowsBuffer, ShadowMap, gBuffer);
-	shadowMask = GetShadowMask(shadow);
+	float4 shadowMask = GetShadowMask(shadow);
 	float4 light = GetLighting(ViewPos, DirectionalLight, gBuffer, shadowMask, false, false);
 
 	// Calculate lighting from sky light

Flax.flaxproj

@@ -2,9 +2,9 @@
   "Name": "Flax",
   "Version": {
     "Major": 1,
-    "Minor": 10,
+    "Minor": 11,
     "Revision": 0,
-    "Build": 6705
+    "Build": 6800
   },
   "Company": "Flax",
   "Copyright": "Copyright (c) 2012-2025 Wojciech Figat. All rights reserved.",

Source/Editor/Analytics/EditorAnalytics.cpp

@@ -174,7 +174,9 @@ void EditorAnalytics::StartSession()
     // Bind events
     GameCooker::OnEvent.Bind<RegisterGameCookingStart>();
     ShadowsOfMordor::Builder::Instance()->OnBuildStarted.Bind<RegisterLightmapsBuildingStart>();
+#if LOG_ENABLE
     Log::Logger::OnError.Bind<RegisterError>();
+#endif
 }
 
 void EditorAnalytics::EndSession()
@@ -187,7 +189,9 @@ void EditorAnalytics::EndSession()
     // Unbind events
     GameCooker::OnEvent.Unbind<RegisterGameCookingStart>();
     ShadowsOfMordor::Builder::Instance()->OnBuildStarted.Unbind<RegisterLightmapsBuildingStart>();
+#if LOG_ENABLE
     Log::Logger::OnError.Unbind<RegisterError>();
+#endif
 
     // End session
     {

Source/Editor/Cooker/CookingData.h

@@ -20,13 +20,6 @@ class PlatformTools;
 #define GAME_BUILD_DOTNET_RUNTIME_MAX_VER 9
 #endif
 
-#if OFFICIAL_BUILD
-// Use the fixed .NET SDK version in packaged builds for compatibility (FlaxGame is precompiled with it)
-#define GAME_BUILD_DOTNET_VER TEXT("-dotnet=" MACRO_TO_STR(GAME_BUILD_DOTNET_RUNTIME_MIN_VER))
-#else
-#define GAME_BUILD_DOTNET_VER TEXT("")
-#endif
-
 /// <summary>
 /// Game building options. Used as flags.
 /// </summary>
@@ -374,6 +367,8 @@ public:
     /// </summary>
     void GetBuildPlatformName(const Char*& platform, const Char*& architecture) const;
 
+    String GetDotnetCommandArg() const;
+
 public:
 
     /// <summary>

Source/Editor/Cooker/GameCooker.cpp

@@ -30,6 +30,7 @@
 #include "Engine/Scripting/ManagedCLR/MAssembly.h"
 #include "Engine/Content/JsonAsset.h"
 #include "Engine/Content/AssetReference.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #if PLATFORM_TOOLS_WINDOWS
 #include "Platform/Windows/WindowsPlatformTools.h"
 #include "Engine/Platform/Windows/WindowsPlatformSettings.h"
@@ -311,6 +312,14 @@ void CookingData::GetBuildPlatformName(const Char*& platform, const Char*& archi
     }
 }
 
+String CookingData::GetDotnetCommandArg() const
+{
+    int32 version = Tools->GetDotnetVersion();
+    if (version == 0)
+        return String::Empty;
+    return String::Format(TEXT("-dotnet={}"), version);
+}
+
 void CookingData::StepProgress(const String& info, const float stepProgress) const
 {
     const float singleStepProgress = 1.0f / (StepsCount + 1);
@@ -380,6 +389,7 @@ bool GameCooker::IsCancelRequested()
 
 PlatformTools* GameCooker::GetTools(BuildPlatform platform)
 {
+    PROFILE_MEM(Editor);
     PlatformTools* result = nullptr;
     if (!Tools.TryGet(platform, result))
     {
@@ -471,6 +481,7 @@ bool GameCooker::Build(BuildPlatform platform, BuildConfiguration configuration,
         LOG(Error, "Build platform {0} is not supported.", ::ToString(platform));
         return true;
     }
+    PROFILE_MEM(Editor);
 
     // Setup
     CancelFlag = 0;
@@ -624,6 +635,7 @@ void GameCookerImpl::ReportProgress(const String& info, float totalProgress)
 
 void GameCookerImpl::OnCollectAssets(HashSet<Guid>& assets)
 {
+    PROFILE_MEM(Editor);
     if (Internal_OnCollectAssets == nullptr)
     {
         auto c = GameCooker::GetStaticClass();
@@ -651,6 +663,7 @@ void GameCookerImpl::OnCollectAssets(HashSet<Guid>& assets)
 
 bool GameCookerImpl::Build()
 {
+    PROFILE_MEM(Editor);
     CookingData& data = *Data;
     LOG(Info, "Starting Game Cooker...");
     LOG(Info, "Platform: {0}, Configuration: {2}, Options: {1}", ::ToString(data.Platform), (int32)data.Options, ::ToString(data.Configuration));
@@ -670,8 +683,7 @@ bool GameCookerImpl::Build()
 
     MCore::Thread::Attach();
 
-    // Build Started
+    // Build start
-    if (!EnumHasAnyFlags(data.Options, BuildOptions::NoCook))
     {
         CallEvent(GameCooker::EventType::BuildStarted);
         data.Tools->OnBuildStarted(data);
@@ -744,8 +756,8 @@ bool GameCookerImpl::Build()
     }
     IsRunning = false;
     CancelFlag = 0;
-    if (!EnumHasAnyFlags(data.Options, BuildOptions::NoCook))
     {
+        // Build end
         for (int32 stepIndex = 0; stepIndex < Steps.Count(); stepIndex++)
             Steps[stepIndex]->OnBuildEnded(data, failed);
         data.Tools->OnBuildEnded(data, failed);
@@ -778,6 +790,8 @@ int32 GameCookerImpl::ThreadFunction()
 
 bool GameCookerService::Init()
 {
+    PROFILE_MEM(Editor);
+
     auto editorAssembly = ((NativeBinaryModule*)GetBinaryModuleFlaxEngine())->Assembly;
     editorAssembly->Unloading.Bind(OnEditorAssemblyUnloading);
     GameCooker::OnCollectAssets.Bind(OnCollectAssets);
@@ -789,6 +803,7 @@ void GameCookerService::Update()
 {
     if (IsRunning)
     {
+        PROFILE_MEM(Editor);
         ScopeLock lock(ProgressLocker);
 
         if (ProgressMsg.HasChars())

Source/Editor/Cooker/Platform/GDK/GDKPlatformTools.cpp

@@ -195,4 +195,9 @@ bool GDKPlatformTools::OnPostProcess(CookingData& data, GDKPlatformSettings* pla
     return false;
 }
 
+int32 GDKPlatformTools::GetDotnetVersion() const
+{
+    return GAME_BUILD_DOTNET_RUNTIME_MIN_VER;
+}
+
 #endif

Source/Editor/Cooker/Platform/GDK/GDKPlatformTools.h

@@ -26,6 +26,7 @@ public:
 public:
 
     // [PlatformTools]
+    int32 GetDotnetVersion() const override;
     DotNetAOTModes UseAOT() const override;
     bool OnDeployBinaries(CookingData& data) override;
 };

Source/Editor/Cooker/Platform/Mac/MacPlatformTools.cpp

@@ -186,7 +186,7 @@ bool MacPlatformTools::OnPostProcess(CookingData& data)
         ADD_ENTRY("CFBundlePackageType", "APPL");
         ADD_ENTRY("NSPrincipalClass", "NSApplication");
         ADD_ENTRY("LSApplicationCategoryType", "public.app-category.games");
-        ADD_ENTRY("LSMinimumSystemVersion", "10.15");
+        ADD_ENTRY("LSMinimumSystemVersion", "13");
         ADD_ENTRY("CFBundleIconFile", "icon.icns");
         ADD_ENTRY_STR("CFBundleExecutable", executableName);
         ADD_ENTRY_STR("CFBundleIdentifier", appIdentifier);
@@ -231,6 +231,8 @@ bool MacPlatformTools::OnPostProcess(CookingData& data)
     LOG(Info, "Building app package...");
     {
         const String dmgPath = data.OriginalOutputPath / appName + TEXT(".dmg");
+        if (FileSystem::FileExists(dmgPath))
+            FileSystem::DeleteFile(dmgPath);
         CreateProcessSettings procSettings;
         procSettings.HiddenWindow = true;
         procSettings.WorkingDirectory = data.OriginalOutputPath;

Source/Editor/Cooker/Platform/Windows/WindowsPlatformTools.cpp

@@ -528,6 +528,9 @@ bool WindowsPlatformTools::OnDeployBinaries(CookingData& data)
 
 void WindowsPlatformTools::OnBuildStarted(CookingData& data)
 {
+    if (EnumHasAllFlags(data.Options, BuildOptions::NoCook))
+        return;
+
     // Remove old executable
     Array<String> files;
     FileSystem::DirectoryGetFiles(files, data.NativeCodeOutputPath, TEXT("*.exe"), DirectorySearchOption::TopDirectoryOnly);

Source/Editor/Cooker/PlatformTools.h

@@ -70,6 +70,20 @@ public:
     /// </summary>
     virtual ArchitectureType GetArchitecture() const = 0;
 
+    /// <summary>
+    /// Gets the .Net version to use for the cooked game.
+    /// </summary>
+    virtual int32 GetDotnetVersion() const
+    {
+#if OFFICIAL_BUILD
+        // Use the fixed .NET SDK version in packaged builds for compatibility (FlaxGame is precompiled with it)
+        return GAME_BUILD_DOTNET_RUNTIME_MIN_VER;
+#else
+        // Use the highest version found on a system (Flax.Build will decide)
+        return 0;
+#endif
+    }
+
     /// <summary>
     /// Gets the value indicating whenever platform requires AOT (needs C# assemblies to be precompiled).
     /// </summary>

Source/Editor/Cooker/Steps/CompileScriptsStep.cpp

@@ -189,7 +189,7 @@ bool CompileScriptsStep::Perform(CookingData& data)
     const String logFile = data.CacheDirectory / TEXT("CompileLog.txt");
     auto args = String::Format(
         TEXT("-log -logfile=\"{4}\" -build -mutex -buildtargets={0} -platform={1} -arch={2} -configuration={3} -aotMode={5} {6}"),
-        target, platform, architecture, configuration, logFile, ToString(data.Tools->UseAOT()), GAME_BUILD_DOTNET_VER);
+        target, platform, architecture, configuration, logFile, ToString(data.Tools->UseAOT()), data.GetDotnetCommandArg());
 #if PLATFORM_WINDOWS
     if (data.Platform == BuildPlatform::LinuxX64)
 #elif PLATFORM_LINUX

Source/Editor/Cooker/Steps/CookAssetsStep.cpp

@@ -36,6 +36,7 @@
 #include "Engine/Engine/Base/GameBase.h"
 #include "Engine/Engine/Globals.h"
 #include "Engine/Tools/TextureTool/TextureTool.h"
+#include "Engine/Threading/Threading.h"
 #include "Engine/Profiler/ProfilerCPU.h"
 #include "Engine/Scripting/Enums.h"
 #if PLATFORM_TOOLS_WINDOWS

Source/Editor/Cooker/Steps/DeployDataStep.cpp

@@ -88,7 +88,7 @@ bool DeployDataStep::Perform(CookingData& data)
             {
                 // Ask Flax.Build to provide .NET SDK location for the current platform
                 String sdks;
-                bool failed = ScriptsBuilder::RunBuildTool(String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printSDKs {}"), GAME_BUILD_DOTNET_VER), data.CacheDirectory);
+                bool failed = ScriptsBuilder::RunBuildTool(String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printSDKs {}"), data.GetDotnetCommandArg()), data.CacheDirectory);
                 failed |= File::ReadAllText(data.CacheDirectory / TEXT("SDKs.txt"), sdks);
                 int32 idx = sdks.Find(TEXT("DotNetSdk, "), StringSearchCase::CaseSensitive);
                 if (idx != -1)
@@ -200,7 +200,7 @@ bool DeployDataStep::Perform(CookingData& data)
                 String sdks;
                 const Char *platformName, *archName;
                 data.GetBuildPlatformName(platformName, archName);
-                String args = String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printDotNetRuntime -platform={} -arch={} {}"), platformName, archName, GAME_BUILD_DOTNET_VER);
+                String args = String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printDotNetRuntime -platform={} -arch={} {}"), platformName, archName, data.GetDotnetCommandArg());
                 bool failed = ScriptsBuilder::RunBuildTool(args, data.CacheDirectory);
                 failed |= File::ReadAllText(data.CacheDirectory / TEXT("SDKs.txt"), sdks);
                 Array<String> parts;
@@ -244,10 +244,13 @@ bool DeployDataStep::Perform(CookingData& data)
                     }
                     if (version.IsEmpty())
                     {
+                        int32 minVer = GAME_BUILD_DOTNET_RUNTIME_MIN_VER, maxVer = GAME_BUILD_DOTNET_RUNTIME_MAX_VER;
                         if (srcDotnetFromEngine)
                         {
                             // Detect version from runtime files inside Engine Platform folder
-                            for (int32 i = GAME_BUILD_DOTNET_RUNTIME_MAX_VER; i >= GAME_BUILD_DOTNET_RUNTIME_MIN_VER; i--)
+                            if (data.Tools->GetDotnetVersion() != 0)
+                                minVer = maxVer = data.Tools->GetDotnetVersion();
+                            for (int32 i = maxVer; i >= minVer; i--)
                             {
                                 // Check runtime files inside Engine Platform folder
                                 String testPath1 = srcDotnet / String::Format(TEXT("lib/net{}.0"), i);
@@ -262,7 +265,7 @@ bool DeployDataStep::Perform(CookingData& data)
                         }
                         if (version.IsEmpty())
                         {
-                            data.Error(String::Format(TEXT("Failed to find supported .NET {} version for the current host platform."), GAME_BUILD_DOTNET_RUNTIME_MIN_VER));
+                            data.Error(String::Format(TEXT("Failed to find supported .NET {} version (min {}) for the current host platform."), maxVer, minVer));
                             return true;
                         }
                     }
@@ -364,7 +367,7 @@ bool DeployDataStep::Perform(CookingData& data)
             const String logFile = data.CacheDirectory / TEXT("StripDotnetLibs.txt");
             String args = String::Format(
                 TEXT("-log -logfile=\"{}\" -runDotNetClassLibStripping -mutex -binaries=\"{}\" {}"),
-                logFile, data.DataOutputPath, GAME_BUILD_DOTNET_VER);
+                logFile, data.DataOutputPath, data.GetDotnetCommandArg());
             for (const String& define : data.CustomDefines)
             {
                 args += TEXT(" -D");

Source/Editor/Cooker/Steps/PrecompileAssembliesStep.cpp

@@ -12,7 +12,7 @@
 void PrecompileAssembliesStep::OnBuildStarted(CookingData& data)
 {
     const DotNetAOTModes aotMode = data.Tools->UseAOT();
-    if (aotMode == DotNetAOTModes::None)
+    if (aotMode == DotNetAOTModes::None || EnumHasAllFlags(data.Options, BuildOptions::NoCook))
         return;
     const auto& buildSettings = *BuildSettings::Get();
 
@@ -69,7 +69,7 @@ bool PrecompileAssembliesStep::Perform(CookingData& data)
     const String logFile = data.CacheDirectory / TEXT("AOTLog.txt");
     String args = String::Format(
         TEXT("-log -logfile=\"{}\" -runDotNetAOT -mutex -platform={} -arch={} -configuration={} -aotMode={} -binaries=\"{}\" -intermediate=\"{}\" {}"),
-        logFile, platform, architecture, configuration, ToString(aotMode), data.DataOutputPath, data.ManagedCodeOutputPath, GAME_BUILD_DOTNET_VER);
+        logFile, platform, architecture, configuration, ToString(aotMode), data.DataOutputPath, data.ManagedCodeOutputPath, data.GetDotnetCommandArg());
     if (!buildSettings.SkipUnusedDotnetLibsPackaging)
         args += TEXT(" -skipUnusedDotnetLibs=false"); // Run AOT on whole class library (not just used libs)
     for (const String& define : data.CustomDefines)

Source/Editor/CustomEditors/CustomEditorsUtil.cpp

@@ -6,6 +6,8 @@
 #include "Engine/Core/Types/TimeSpan.h"
 #include "Engine/Core/Types/Stopwatch.h"
 #include "Engine/Core/Collections/Dictionary.h"
+#include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Engine/EngineService.h"
 #include "Engine/Scripting/Scripting.h"
 #include "Engine/Scripting/BinaryModule.h"
@@ -69,6 +71,7 @@ MTypeObject* CustomEditorsUtil::GetCustomEditor(MTypeObject* refType)
 
 bool CustomEditorsUtilService::Init()
 {
+    PROFILE_MEM(Editor);
     TRACK_ASSEMBLY(((NativeBinaryModule*)GetBinaryModuleFlaxEngine())->Assembly);
     Scripting::BinaryModuleLoaded.Bind(&OnBinaryModuleLoaded);
 
@@ -77,6 +80,8 @@ bool CustomEditorsUtilService::Init()
 
 void OnAssemblyLoaded(MAssembly* assembly)
 {
+    PROFILE_CPU_NAMED("CustomEditors.OnAssemblyLoaded");
+    PROFILE_MEM(Editor);
     Stopwatch stopwatch;
 
     // Prepare FlaxEngine

Source/Editor/CustomEditors/Editors/ControlReferenceEditor.cs

@@ -22,7 +22,7 @@ internal class UIControlRefPickerControl : FlaxObjectRefPickerControl
     /// <inheritdoc />
     protected override bool IsValid(Object obj)
     {
-        return obj == null || (obj is UIControl control && control.Control.GetType() == ControlType);
+        return obj == null || (obj is UIControl control && ControlType.IsAssignableFrom(control.Control.GetType()));
     }
 }
 

Source/Editor/Editor.cpp

@@ -20,6 +20,7 @@
 #include "Engine/Engine/Engine.h"
 #include "Engine/ShadowsOfMordor/Builder.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "FlaxEngine.Gen.h"
 #if PLATFORM_LINUX
 #include "Engine/Tools/TextureTool/TextureTool.h"
@@ -47,6 +48,7 @@ void Editor::CloseSplashScreen()
 
 bool Editor::CheckProjectUpgrade()
 {
+    PROFILE_MEM(Editor);
     const auto versionFilePath = Globals::ProjectCacheFolder / TEXT("version");
 
     // Load version cache file
@@ -366,6 +368,8 @@ bool Editor::BackupProject()
 
 int32 Editor::LoadProduct()
 {
+    PROFILE_MEM(Editor);
+
     // Flax Editor product
     Globals::ProductName = TEXT("Flax Editor");
     Globals::CompanyName = TEXT("Flax");
@@ -626,6 +630,7 @@ int32 Editor::LoadProduct()
 
 Window* Editor::CreateMainWindow()
 {
+    PROFILE_MEM(Editor);
     Window* window = Managed->GetMainWindow();
 
 #if PLATFORM_LINUX
@@ -662,6 +667,7 @@ bool Editor::Init()
         return true;
     }
     PROFILE_CPU();
+    PROFILE_MEM(Editor);
 
     // If during last lightmaps baking engine crashed we could try to restore the progress
     ShadowsOfMordor::Builder::Instance()->CheckIfRestoreState();
@@ -693,11 +699,13 @@ bool Editor::Init()
 
 void Editor::BeforeRun()
 {
+    PROFILE_MEM(Editor);
     Managed->BeforeRun();
 }
 
 void Editor::BeforeExit()
 {
+    PROFILE_MEM(Editor);
     CloseSplashScreen();
 
     Managed->Exit();
@@ -708,6 +716,8 @@ void Editor::BeforeExit()
 
 void EditorImpl::OnUpdate()
 {
+    PROFILE_MEM(Editor);
+
     // Update c# editor
     Editor::Managed->Update();
 

Source/Editor/GUI/ColumnDefinition.cs

@@ -51,7 +51,7 @@ namespace FlaxEditor.GUI
         /// <summary>
         /// The column title horizontal text alignment
         /// </summary>
-        public TextAlignment TitleAlignment = TextAlignment.Near;
+        public TextAlignment TitleAlignment = TextAlignment.Center;
 
         /// <summary>
         /// The column title margin.

Source/Editor/GUI/ContextMenu/ContextMenuBase.cs

@@ -117,9 +117,10 @@ namespace FlaxEditor.GUI.ContextMenu
         public ContextMenuBase()
         : base(0, 0, 120, 32)
         {
-            _direction = ContextMenuDirection.RightDown;
             Visible = false;
+            AutoFocus = true;
 
+            _direction = ContextMenuDirection.RightDown;
             _isSubMenu = true;
         }
 

Source/Editor/GUI/Dialogs/ColorSelector.cs

@@ -76,6 +76,8 @@ namespace FlaxEditor.GUI.Dialogs
         public ColorSelector(float wheelSize)
         : base(0, 0, wheelSize, wheelSize)
         {
+            AutoFocus = true;
+
             _colorWheelSprite = Editor.Instance.Icons.ColorWheel128;
             _wheelRect = new Rectangle(0, 0, wheelSize, wheelSize);
         }

Source/Editor/GUI/Docking/DockPanelProxy.cs

@@ -71,8 +71,6 @@ namespace FlaxEditor.GUI.Docking
         internal DockPanelProxy(DockPanel panel)
         : base(0, 0, 64, 64)
         {
-            AutoFocus = false;
-
             _panel = panel;
             AnchorPreset = AnchorPresets.StretchAll;
             Offsets = Margin.Zero;

Source/Editor/GUI/Input/SliderControl.cs

@@ -368,6 +368,8 @@ namespace FlaxEditor.GUI.Input
         public SliderControl(float value, float x = 0, float y = 0, float width = 120, float min = float.MinValue, float max = float.MaxValue)
         : base(x, y, width, TextBox.DefaultHeight)
         {
+            AutoFocus = true;
+
             _min = min;
             _max = max;
             _value = Mathf.Clamp(value, min, max);

Source/Editor/GUI/Tree/TreeNode.cs

@@ -319,6 +319,8 @@ namespace FlaxEditor.GUI.Tree
         public TreeNode(bool canChangeOrder, SpriteHandle iconCollapsed, SpriteHandle iconOpened)
         : base(0, 0, 64, 16)
         {
+            AutoFocus = true;
+
             _canChangeOrder = canChangeOrder;
             _animationProgress = 1.0f;
             _cachedHeight = _headerHeight;

Source/Editor/Gizmo/TransformGizmo.cs

@@ -155,6 +155,7 @@ namespace FlaxEditor.Gizmo
             // Ensure player is not moving objects
             if (ActiveAxis != Axis.None)
                 return;
+            Profiler.BeginEvent("Pick");
 
             // Get mouse ray and try to hit any object
             var ray = Owner.MouseRay;
@@ -243,6 +244,8 @@ namespace FlaxEditor.Gizmo
             {
                 sceneEditing.Deselect();
             }
+
+            Profiler.EndEvent();
         }
 
         /// <inheritdoc />

Source/Editor/Managed/ManagedEditor.cpp

@@ -14,6 +14,7 @@
 #include "Engine/Platform/WindowsManager.h"
 #include "Engine/Content/Assets/VisualScript.h"
 #include "Engine/Content/Content.h"
+#include "Engine/Level/Actor.h"
 #include "Engine/CSG/CSGBuilder.h"
 #include "Engine/Engine/CommandLine.h"
 #include "Engine/Renderer/ProbesRenderer.h"
@@ -75,7 +76,7 @@ void OnLightmapsBuildFinished(bool failed)
         OnLightmapsBake(ShadowsOfMordor::BuildProgressStep::GenerateLightmapCharts, 0, 0, false);
 }
 
-void OnBakeEvent(bool started, const ProbesRenderer::Entry& e)
+void OnBakeEvent(bool started, Actor* e)
 {
     if (Internal_EnvProbeBake == nullptr)
     {
@@ -83,7 +84,7 @@ void OnBakeEvent(bool started, const ProbesRenderer::Entry& e)
         ASSERT(Internal_EnvProbeBake);
     }
 
-    MObject* probeObj = e.Actor ? e.Actor->GetManagedInstance() : nullptr;
+    MObject* probeObj = e ? e->GetManagedInstance() : nullptr;
 
     MainThreadManagedInvokeAction::ParamsBuilder params;
     params.AddParam(started);
@@ -91,12 +92,12 @@ void OnBakeEvent(bool started, const ProbesRenderer::Entry& e)
     MainThreadManagedInvokeAction::Invoke(Internal_EnvProbeBake, params);
 }
 
-void OnRegisterBake(const ProbesRenderer::Entry& e)
+void OnRegisterBake(Actor* e)
 {
     OnBakeEvent(true, e);
 }
 
-void OnFinishBake(const ProbesRenderer::Entry& e)
+void OnFinishBake(Actor* e)
 {
     OnBakeEvent(false, e);
 }
@@ -157,7 +158,9 @@ ManagedEditor::ManagedEditor()
     lightmapsBuilder->OnBuildProgress.Bind<OnLightmapsBuildProgress>();
     lightmapsBuilder->OnBuildFinished.Bind<OnLightmapsBuildFinished>();
     CSG::Builder::OnBrushModified.Bind<OnBrushModified>();
+#if LOG_ENABLE
     Log::Logger::OnMessage.Bind<OnLogMessage>();
+#endif
     VisualScripting::DebugFlow.Bind<OnVisualScriptingDebugFlow>();
 }
 
@@ -173,7 +176,9 @@ ManagedEditor::~ManagedEditor()
     lightmapsBuilder->OnBuildProgress.Unbind<OnLightmapsBuildProgress>();
     lightmapsBuilder->OnBuildFinished.Unbind<OnLightmapsBuildFinished>();
     CSG::Builder::OnBrushModified.Unbind<OnBrushModified>();
+#if LOG_ENABLE
     Log::Logger::OnMessage.Unbind<OnLogMessage>();
+#endif
     VisualScripting::DebugFlow.Unbind<OnVisualScriptingDebugFlow>();
 }
 

Source/Editor/Modules/SceneEditingModule.cs

@@ -711,7 +711,11 @@ namespace FlaxEditor.Modules
 
         private void OnActorChildNodesDispose(ActorNode node)
         {
+            if (Selection.Count == 0)
+                return;
+
             // TODO: cache if selection contains any actor child node and skip this loop if no need to iterate
+            // TODO: or build a hash set with selected nodes for quick O(1) checks (cached until selection changes)
 
             // Deselect child nodes
             for (int i = 0; i < node.ChildNodes.Count; i++)

Source/Editor/Modules/SceneModule.cs

@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using FlaxEditor.SceneGraph;
 using FlaxEditor.SceneGraph.Actors;
 using FlaxEngine;
@@ -662,6 +663,48 @@ namespace FlaxEditor.Modules
             //node?.TreeNode.OnActiveChanged();
         }
 
+        private void OnActorDestroyChildren(Actor actor)
+        {
+            // Instead of doing OnActorParentChanged for every child lets remove all of them at once from that actor
+            ActorNode node = GetActorNode(actor);
+            if (node != null)
+            {
+                if (Editor.SceneEditing.HasSthSelected)
+                {
+                    // Clear selection if one of the removed actors is selected
+                    var selection = new HashSet<Actor>();
+                    foreach (var e in Editor.SceneEditing.Selection)
+                    {
+                        if (e is ActorNode q && q.Actor)
+                            selection.Add(q.Actor);
+                    }
+                    var count = actor.ChildrenCount;
+                    for (int i = 0; i < count; i++)
+                    {
+                        var child = actor.GetChild(i);
+                        if (selection.Contains(child))
+                        {
+                            Editor.SceneEditing.Deselect();
+                            break;
+                        }
+                    }
+                }
+
+                // Remove all child nodes (upfront remove all nodes to run faster)
+                for (int i = 0; i < node.ChildNodes.Count; i++)
+                {
+                    if (node.ChildNodes[i] is ActorNode child)
+                        child.parentNode = null;
+                }
+                node.TreeNode.DisposeChildren();
+                for (int i = 0; i < node.ChildNodes.Count; i++)
+                {
+                    node.ChildNodes[i].Dispose();
+                }
+                node.ChildNodes.Clear();
+            }
+        }
+
         /// <summary>
         /// Gets the actor node.
         /// </summary>
@@ -713,6 +756,7 @@ namespace FlaxEditor.Modules
             Level.ActorOrderInParentChanged += OnActorOrderInParentChanged;
             Level.ActorNameChanged += OnActorNameChanged;
             Level.ActorActiveChanged += OnActorActiveChanged;
+            Level.ActorDestroyChildren += OnActorDestroyChildren;
         }
 
         /// <inheritdoc />
@@ -730,6 +774,7 @@ namespace FlaxEditor.Modules
             Level.ActorOrderInParentChanged -= OnActorOrderInParentChanged;
             Level.ActorNameChanged -= OnActorNameChanged;
             Level.ActorActiveChanged -= OnActorActiveChanged;
+            Level.ActorDestroyChildren -= OnActorDestroyChildren;
 
             // Cleanup graph
             Root.Dispose();

Source/Editor/ProjectInfo.cpp

@@ -6,6 +6,7 @@
 #include "Engine/Core/Log.h"
 #include "Engine/Engine/Globals.h"
 #include "Engine/Core/Math/Quaternion.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Serialization/JsonWriters.h"
 #include "Engine/Serialization/JsonTools.h"
 #include <ThirdParty/pugixml/pugixml.hpp>
@@ -327,6 +328,7 @@ ProjectInfo* ProjectInfo::Load(const String& path)
     }
 
     // Load
+    PROFILE_MEM(Editor);
     auto project = New<ProjectInfo>();
     if (project->LoadProject(path))
     {

Source/Editor/SceneGraph/RootNode.cs

@@ -97,13 +97,16 @@ namespace FlaxEditor.SceneGraph
         /// <returns>Hit object or null if there is no intersection at all.</returns>
         public SceneGraphNode RayCast(ref Ray ray, ref Ray view, out Real distance, RayCastData.FlagTypes flags = RayCastData.FlagTypes.None)
         {
+            Profiler.BeginEvent("RayCastScene");
             var data = new RayCastData
             {
                 Ray = ray,
                 View = view,
                 Flags = flags
             };
-            return RayCast(ref data, out distance, out _);
+            var result = RayCast(ref data, out distance, out _);
+            Profiler.EndEvent();
+            return result;
         }
 
         /// <summary>
@@ -117,13 +120,16 @@ namespace FlaxEditor.SceneGraph
         /// <returns>Hit object or null if there is no intersection at all.</returns>
         public SceneGraphNode RayCast(ref Ray ray, ref Ray view, out Real distance, out Vector3 normal, RayCastData.FlagTypes flags = RayCastData.FlagTypes.None)
         {
+            Profiler.BeginEvent("RayCastScene");
             var data = new RayCastData
             {
                 Ray = ray,
                 View = view,
                 Flags = flags
             };
-            return RayCast(ref data, out distance, out normal);
+            var result = RayCast(ref data, out distance, out normal);
+            Profiler.EndEvent();
+            return result;
         }
 
         internal static Quaternion RaycastNormalRotation(ref Vector3 normal)

Source/Editor/SceneGraph/SceneGraphNode.cs

@@ -27,7 +27,7 @@ namespace FlaxEditor.SceneGraph
         /// <summary>
         /// The parent node.
         /// </summary>
-        protected SceneGraphNode parentNode;
+        internal SceneGraphNode parentNode;
 
         /// <summary>
         /// Gets the children list.

Source/Editor/Scripting/CodeEditor.cpp

@@ -13,6 +13,7 @@
 #include "Engine/Engine/EngineService.h"
 #include "Engine/Platform/Thread.h"
 #include "Engine/Threading/IRunnable.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 
 void OnAsyncBegin(Thread* thread);
 void OnAsyncEnd();
@@ -232,6 +233,8 @@ void OnAsyncEnd()
 
 bool CodeEditingManagerService::Init()
 {
+    PROFILE_MEM(Editor);
+
     // Try get editors
 #if USE_VISUAL_STUDIO_DTE
     VisualStudioEditor::FindEditors(&CodeEditors);

Source/Editor/Scripting/ScriptsBuilder.cpp

@@ -23,6 +23,7 @@
 #include "Engine/Scripting/Scripting.h"
 #include "Engine/Scripting/Script.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Level/Level.h"
 #include "FlaxEngine.Gen.h"
 
@@ -77,7 +78,7 @@ namespace ScriptsBuilderImpl
     void onScriptsReloadEnd();
     void onScriptsLoaded();
 
-    void GetClassName(const StringAnsi& fullname, StringAnsi& className);
+    void GetClassName(const StringAnsiView fullname, StringAnsi& className);
 
     void onCodeEditorAsyncOpenBegin()
     {
@@ -276,7 +277,7 @@ bool ScriptsBuilder::GenerateProject(const StringView& customArgs)
     return RunBuildTool(args);
 }
 
-void ScriptsBuilderImpl::GetClassName(const StringAnsi& fullname, StringAnsi& className)
+void ScriptsBuilderImpl::GetClassName(const StringAnsiView fullname, StringAnsi& className)
 {
     const auto lastDotIndex = fullname.FindLast('.');
     if (lastDotIndex != -1)
@@ -417,6 +418,7 @@ void ScriptsBuilder::GetBinariesConfiguration(const Char*& target, const Char*&
 
 bool ScriptsBuilderImpl::compileGameScriptsAsyncInner()
 {
+    PROFILE_MEM(Editor);
     LOG(Info, "Starting scripts compilation...");
     CallEvent(EventType::CompileStarted);
 
@@ -523,6 +525,8 @@ void ScriptsBuilderImpl::onEditorAssemblyUnloading(MAssembly* assembly)
 
 bool ScriptsBuilderImpl::compileGameScriptsAsync()
 {
+    PROFILE_MEM(Editor);
+
     // Start
     {
         ScopeLock scopeLock(_locker);
@@ -566,6 +570,7 @@ bool ScriptsBuilderService::Init()
     // Check flag
     if (_isInited)
         return false;
+    PROFILE_MEM(Editor);
     _isInited = true;
 
     // Link for Editor assembly unload event to clear cached Internal_OnCompilationEnd to prevent errors
@@ -663,6 +668,9 @@ bool ScriptsBuilderService::Init()
 
 void ScriptsBuilderService::Update()
 {
+    PROFILE_CPU();
+    PROFILE_MEM(Editor);
+
     // Send compilation events
     {
         ScopeLock scopeLock(_compileEventsLocker);

Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs

@@ -233,6 +233,8 @@ namespace FlaxEditor.Surface.Archetypes
         public BlendPointsEditor(Animation.MultiBlend node, bool is2D, float x, float y, float width, float height)
         : base(x, y, width, height)
         {
+            AutoFocus = true;
+
             _node = node;
             _is2D = is2D;
         }

Source/Editor/Surface/Archetypes/Material.cs

@@ -6,6 +6,7 @@ using FlaxEditor.Scripting;
 using FlaxEditor.Surface.Elements;
 using FlaxEditor.Windows.Assets;
 using FlaxEngine;
+using FlaxEngine.GUI;
 
 namespace FlaxEditor.Surface.Archetypes
 {
@@ -123,7 +124,8 @@ namespace FlaxEditor.Surface.Archetypes
                 case MaterialDomain.Particle:
                 case MaterialDomain.Deformable:
                 {
-                    bool isNotUnlit = info.ShadingModel != MaterialShadingModel.Unlit;
+                    bool isNotUnlit = info.ShadingModel != MaterialShadingModel.Unlit && info.ShadingModel != MaterialShadingModel.CustomLit;
+                    bool isOpaque = info.BlendMode == MaterialBlendMode.Opaque;
                     bool withTess = info.TessellationMode != TessellationMethod.None;
 
                     GetBox(MaterialNodeBoxes.Color).IsActive = isNotUnlit;
@@ -134,8 +136,8 @@ namespace FlaxEditor.Surface.Archetypes
                     GetBox(MaterialNodeBoxes.Roughness).IsActive = isNotUnlit;
                     GetBox(MaterialNodeBoxes.AmbientOcclusion).IsActive = isNotUnlit;
                     GetBox(MaterialNodeBoxes.Normal).IsActive = isNotUnlit;
-                    GetBox(MaterialNodeBoxes.Opacity).IsActive = info.ShadingModel == MaterialShadingModel.Subsurface || info.ShadingModel == MaterialShadingModel.Foliage || info.BlendMode != MaterialBlendMode.Opaque;
+                    GetBox(MaterialNodeBoxes.Opacity).IsActive = info.ShadingModel == MaterialShadingModel.Subsurface || info.ShadingModel == MaterialShadingModel.Foliage || !isOpaque;
-                    GetBox(MaterialNodeBoxes.Refraction).IsActive = info.BlendMode != MaterialBlendMode.Opaque;
+                    GetBox(MaterialNodeBoxes.Refraction).IsActive = !isOpaque;
                     GetBox(MaterialNodeBoxes.PositionOffset).IsActive = true;
                     GetBox(MaterialNodeBoxes.TessellationMultiplier).IsActive = withTess;
                     GetBox(MaterialNodeBoxes.WorldDisplacement).IsActive = withTess;
@@ -260,6 +262,211 @@ namespace FlaxEditor.Surface.Archetypes
             }
         }
 
+#if false // TODO: finish code editor based on RichTextBoxBase with text block parsing for custom styling
+        internal sealed class CustomCodeTextBox : RichTextBoxBase
+        {
+            protected override void OnParseTextBlocks()
+            {
+                base.OnParseTextBlocks();
+
+                // Single block for a whole text
+                // TODO: implement code parsing with HLSL syntax
+                var font = Style.Current.FontMedium;
+                var style = new TextBlockStyle
+                {
+                    Font = new FontReference(font),
+                    Color = Style.Current.Foreground,
+                    BackgroundSelectedBrush = new SolidColorBrush(Style.Current.BackgroundSelected),
+                };
+                _textBlocks.Clear();
+                _textBlocks.Add(new TextBlock
+                {
+                    Range = new TextRange
+                    {
+                        StartIndex = 0,
+                        EndIndex = TextLength,
+                    },
+                    Style = style,
+                    Bounds = new Rectangle(Float2.Zero, font.MeasureText(Text)),
+                });
+            }
+#else
+        internal sealed class CustomCodeTextBox : TextBox
+        {
+#endif
+            public override void Draw()
+            {
+                base.Draw();
+
+                // Draw border
+                if (!IsFocused)
+                    Render2D.DrawRectangle(new Rectangle(Float2.Zero, Size), Style.Current.BorderNormal);
+            }
+        }
+
+        internal sealed class CustomCodeNode : SurfaceNode
+        {
+            private Rectangle _resizeButtonRect;
+            private Float2 _startResizingSize;
+            private Float2 _startResizingCornerOffset;
+            private bool _isResizing;
+            private CustomCodeTextBox _textBox;
+
+            private int SizeValueIndex => Archetype.TypeID == 8 ? 1 : 3; // Index of the Size stored in Values array
+
+            private Float2 SizeValue
+            {
+                get => (Float2)Values[SizeValueIndex];
+                set => SetValue(SizeValueIndex, value, false);
+            }
+
+            public CustomCodeNode(uint id, VisjectSurfaceContext context, NodeArchetype nodeArch, GroupArchetype groupArch)
+            : base(id, context, nodeArch, groupArch)
+            {
+                Float2 pos = new Float2(FlaxEditor.Surface.Constants.NodeMarginX, FlaxEditor.Surface.Constants.NodeMarginY + FlaxEditor.Surface.Constants.NodeHeaderSize), size;
+                if (nodeArch.TypeID == 8)
+                {
+                    pos += new Float2(60, 0);
+                    size = new Float2(172, 200);
+                }
+                else
+                {
+                    pos += new Float2(0, 40);
+                    size = new Float2(300, 200);
+                }
+                _textBox = new CustomCodeTextBox
+                {
+                    IsMultiline = true,
+                    Location = pos,
+                    Size = size,
+                    Parent = this,
+                    AnchorMax = Float2.One,
+                };
+                _textBox.EditEnd += () => SetValue(0, _textBox.Text);
+            }
+
+            public override bool CanSelect(ref Float2 location)
+            {
+                return base.CanSelect(ref location) && !_resizeButtonRect.MakeOffsetted(Location).Contains(ref location);
+            }
+
+            public override void OnSurfaceLoaded(SurfaceNodeActions action)
+            {
+                base.OnSurfaceLoaded(action);
+
+                _textBox.Text = (string)Values[0];
+
+                var size = SizeValue;
+                if (Surface != null && Surface.GridSnappingEnabled)
+                    size = Surface.SnapToGrid(size, true);
+                Resize(size.X, size.Y);
+            }
+
+            public override void OnValuesChanged()
+            {
+                base.OnValuesChanged();
+
+                var size = SizeValue;
+                Resize(size.X, size.Y);
+                _textBox.Text = (string)Values[0];
+            }
+
+            protected override void UpdateRectangles()
+            {
+                base.UpdateRectangles();
+
+                const float buttonMargin = FlaxEditor.Surface.Constants.NodeCloseButtonMargin;
+                const float buttonSize = FlaxEditor.Surface.Constants.NodeCloseButtonSize;
+                _resizeButtonRect = new Rectangle(_closeButtonRect.Left, Height - buttonSize - buttonMargin - 4, buttonSize, buttonSize);
+            }
+
+            public override void Draw()
+            {
+                base.Draw();
+
+                var style = Style.Current;
+                if (_isResizing)
+                {
+                    Render2D.FillRectangle(_resizeButtonRect, style.Selection);
+                    Render2D.DrawRectangle(_resizeButtonRect, style.SelectionBorder);
+                }
+                Render2D.DrawSprite(style.Scale, _resizeButtonRect, _resizeButtonRect.Contains(_mousePosition) && Surface.CanEdit ? style.Foreground : style.ForegroundGrey);
+            }
+
+            public override void OnLostFocus()
+            {
+                if (_isResizing)
+                    EndResizing();
+
+                base.OnLostFocus();
+            }
+
+            public override void OnEndMouseCapture()
+            {
+                if (_isResizing)
+                    EndResizing();
+
+                base.OnEndMouseCapture();
+            }
+
+            public override bool OnMouseDown(Float2 location, MouseButton button)
+            {
+                if (base.OnMouseDown(location, button))
+                    return true;
+
+                if (button == MouseButton.Left && _resizeButtonRect.Contains(ref location) && Surface.CanEdit)
+                {
+                    // Start sliding
+                    _isResizing = true;
+                    _startResizingSize = Size;
+                    _startResizingCornerOffset = Size - location;
+                    StartMouseCapture();
+                    Cursor = CursorType.SizeNWSE;
+                    return true;
+                }
+
+                return false;
+            }
+
+            public override void OnMouseMove(Float2 location)
+            {
+                if (_isResizing)
+                {
+                    var emptySize = CalculateNodeSize(0, 0);
+                    var size = Float2.Max(location - emptySize + _startResizingCornerOffset, new Float2(240, 160));
+                    Resize(size.X, size.Y);
+                }
+                else
+                {
+                    base.OnMouseMove(location);
+                }
+            }
+
+            public override bool OnMouseUp(Float2 location, MouseButton button)
+            {
+                if (button == MouseButton.Left && _isResizing)
+                {
+                    EndResizing();
+                    return true;
+                }
+
+                return base.OnMouseUp(location, button);
+            }
+
+            private void EndResizing()
+            {
+                Cursor = CursorType.Default;
+                EndMouseCapture();
+                _isResizing = false;
+                if (_startResizingSize != Size)
+                {
+                    var emptySize = CalculateNodeSize(0, 0);
+                    SizeValue = Size - emptySize;
+                    Surface.MarkAsEdited(false);
+                }
+            }
+        }
+
         internal enum MaterialTemplateInputsMapping
         {
             /// <summary>
@@ -410,13 +617,15 @@ namespace FlaxEditor.Surface.Archetypes
             new NodeArchetype
             {
                 TypeID = 8,
+                Create = (id, context, arch, groupArch) => new CustomCodeNode(id, context, arch, groupArch),
                 Title = "Custom Code",
                 Description = "Custom HLSL shader code expression",
                 Flags = NodeFlags.MaterialGraph,
                 Size = new Float2(300, 200),
                 DefaultValues = new object[]
                 {
-                    "// Here you can add HLSL code\nOutput0 = Input0;"
+                    "// Here you can add HLSL code\nOutput0 = Input0;",
+                    new Float2(300, 200),
                 },
                 Elements = new[]
                 {
@@ -433,8 +642,6 @@ namespace FlaxEditor.Surface.Archetypes
                     NodeElementArchetype.Factory.Output(1, "Output1", typeof(Float4), 9),
                     NodeElementArchetype.Factory.Output(2, "Output2", typeof(Float4), 10),
                     NodeElementArchetype.Factory.Output(3, "Output3", typeof(Float4), 11),
-
-                    NodeElementArchetype.Factory.TextBox(60, 0, 175, 200, 0),
                 }
             },
             new NodeArchetype
@@ -874,6 +1081,7 @@ namespace FlaxEditor.Surface.Archetypes
             new NodeArchetype
             {
                 TypeID = 38,
+                Create = (id, context, arch, groupArch) => new CustomCodeNode(id, context, arch, groupArch),
                 Title = "Custom Global Code",
                 Description = "Custom global HLSL shader code expression (placed before material shader code). Can contain includes to shader utilities or declare functions to reuse later.",
                 Flags = NodeFlags.MaterialGraph,
@@ -883,6 +1091,7 @@ namespace FlaxEditor.Surface.Archetypes
                     "// Here you can add HLSL code\nfloat4 GetCustomColor()\n{\n\treturn float4(1, 0, 0, 1);\n}",
                     true,
                     (int)MaterialTemplateInputsMapping.Utilities,
+                    new Float2(300, 240),
                 },
                 Elements = new[]
                 {
@@ -890,7 +1099,6 @@ namespace FlaxEditor.Surface.Archetypes
                     NodeElementArchetype.Factory.Text(20, 0, "Enabled"),
                     NodeElementArchetype.Factory.Text(0, 20, "Location"),
                     NodeElementArchetype.Factory.Enum(50, 20, 120, 2, typeof(MaterialTemplateInputsMapping)),
-                    NodeElementArchetype.Factory.TextBox(0, 40, 300, 200, 0),
                 }
             },
             new NodeArchetype

Source/Editor/Surface/Elements/BoxValue.cs

@@ -64,6 +64,7 @@ namespace FlaxEditor.Surface.Elements
         {
             ParentNode = parentNode;
             Archetype = archetype;
+            AutoFocus = true;
 
             var back = Style.Current.TextBoxBackground;
             var grayOutFactor = 0.6f;

Source/Editor/Surface/SurfaceControl.cs

@@ -59,6 +59,7 @@ namespace FlaxEditor.Surface
         protected SurfaceControl(VisjectSurfaceContext context, float width, float height)
         : base(0, 0, width, height)
         {
+            AutoFocus = true;
             ClipChildren = false;
 
             Surface = context.Surface;

Source/Editor/Surface/VisjectSurface.Input.cs

@@ -120,6 +120,8 @@ namespace FlaxEditor.Surface
 
         private void UpdateSelectionRectangle()
         {
+            if (Root == null)
+                return;
             var p1 = _rootControl.PointFromParent(ref _leftMouseDownPos);
             var p2 = _rootControl.PointFromParent(ref _mousePos);
             var selectionRect = Rectangle.FromPoints(p1, p2);

Source/Editor/Utilities/ViewportIconsRenderer.cpp

@@ -5,6 +5,7 @@
 #include "Engine/Content/Assets/Model.h"
 #include "Engine/Content/Assets/MaterialInstance.h"
 #include "Engine/Content/Content.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Level/Level.h"
 #include "Engine/Level/Scene/Scene.h"
 #include "Engine/Level/Actors/PointLight.h"
@@ -263,6 +264,7 @@ void ViewportIconsRendererService::DrawIcons(RenderContext& renderContext, Actor
 
 bool ViewportIconsRendererService::Init()
 {
+    PROFILE_MEM(Editor);
     QuadModel = Content::LoadAsyncInternal<Model>(TEXT("Engine/Models/Quad"));
 #define INIT(type, path) \
     InstanceBuffers[static_cast<int32>(IconTypes::type)].Setup(1); \

Source/Editor/Viewport/MainEditorGizmoViewport.cs

@@ -340,6 +340,13 @@ namespace FlaxEditor.Viewport
         {
             _debugDrawData.Clear();
 
+            if (task is SceneRenderTask sceneRenderTask)
+            {
+                // Sync debug view to avoid lag on culling/LODing
+                var view = sceneRenderTask.View;
+                DebugDraw.SetView(ref view);
+            }
+
             // Collect selected objects debug shapes and visuals
             var selectedParents = TransformGizmo.SelectedParents;
             if (selectedParents.Count > 0)

Source/Editor/Viewport/PrefabWindowViewport.cs

@@ -243,7 +243,12 @@ namespace FlaxEditor.Viewport
                     _tempDebugDrawContext = DebugDraw.AllocateContext();
                 DebugDraw.SetContext(_tempDebugDrawContext);
                 DebugDraw.UpdateContext(_tempDebugDrawContext, 1.0f);
-
+                if (task is SceneRenderTask sceneRenderTask)
+                {
+                    // Sync debug view to avoid lag on culling/LODing
+                    var view = sceneRenderTask.View;
+                    DebugDraw.SetView(ref view);
+                }
                 for (int i = 0; i < selectedParents.Count; i++)
                 {
                     if (selectedParents[i].IsActiveInHierarchy)

Source/Editor/Viewport/Previews/AssetPreview.cs

@@ -264,6 +264,7 @@ namespace FlaxEditor.Viewport.Previews
             {
                 DebugDraw.SetContext(_debugDrawContext);
                 DebugDraw.UpdateContext(_debugDrawContext, 1.0f / Mathf.Max(Engine.FramesPerSecond, 1));
+                DebugDraw.SetView(ref renderContext.View);
                 CustomDebugDraw?.Invoke(context, ref renderContext);
                 OnDebugDraw(context, ref renderContext);
                 DebugDraw.Draw(ref renderContext, target.View(), targetDepth.View(), true);

Source/Editor/Windows/Assets/CollisionDataWindow.cs

@@ -181,15 +181,8 @@ namespace FlaxEditor.Windows.Assets
 
         private class CollisionDataPreview : ModelBasePreview
         {
-            public bool ShowCollisionData = false;
+            public bool ShowInfo;
-            private int _verticesCount = 0;
+            public string Info;
-            private int _trianglesCount = 0;
-
-            public void SetVerticesAndTriangleCount(int verticesCount, int triangleCount)
-            {
-                _verticesCount = verticesCount;
-                _trianglesCount = triangleCount;
-            }
             
             /// <inheritdoc />
             public CollisionDataPreview(bool useWidgets) 
@@ -204,13 +197,12 @@ namespace FlaxEditor.Windows.Assets
             {
                 base.Draw();
 
-                if (ShowCollisionData)
+                if (ShowInfo)
                 {
-                    var text = string.Format("\nTriangles: {0:N0}\nVertices: {1:N0}\nMemory Size: {2}", _trianglesCount, _verticesCount, Utilities.Utils.FormatBytesCount(Asset.MemoryUsage));
                     var font = Style.Current.FontMedium;
                     var pos = new Float2(10, 50);
-                    Render2D.DrawText(font, text, new Rectangle(pos + Float2.One, Size), Color.Black);
+                    Render2D.DrawText(font, Info, new Rectangle(pos + Float2.One, Size), Color.Black);
-                    Render2D.DrawText(font, text, new Rectangle(pos, Size), Color.White);
+                    Render2D.DrawText(font, Info, new Rectangle(pos, Size), Color.White);
                 }
             }
         }
@@ -222,11 +214,11 @@ namespace FlaxEditor.Windows.Assets
             // Toolstrip
             _toolstrip.AddSeparator();
             _toolstrip.AddButton(editor.Icons.CenterView64, () => _preview.ResetCamera()).LinkTooltip("Show whole collision");
-            var infoButton = (ToolStripButton)_toolstrip.AddButton(editor.Icons.Info64).LinkTooltip("Show Collision Data");
+            var infoButton = (ToolStripButton)_toolstrip.AddButton(editor.Icons.Info64).LinkTooltip("Show Collision Data info");
             infoButton.Clicked += () =>
             {
-                _preview.ShowCollisionData = !_preview.ShowCollisionData;
+                _preview.ShowInfo = !_preview.ShowInfo;
-                infoButton.Checked = _preview.ShowCollisionData;
+                infoButton.Checked = _preview.ShowInfo;
             };
             _toolstrip.AddButton(editor.Icons.Docs64, () => Platform.OpenUrl(Utilities.Constants.DocsUrl + "manual/physics/colliders/collision-data.html")).LinkTooltip("See documentation to learn more");
 
@@ -293,7 +285,7 @@ namespace FlaxEditor.Windows.Assets
             }
             _collisionWiresShowActor.Model = _collisionWiresModel;
             _collisionWiresShowActor.SetMaterial(0, FlaxEngine.Content.LoadAsyncInternal<MaterialBase>(EditorAssets.WiresDebugMaterial));
-            _preview.SetVerticesAndTriangleCount(triangleCount, indicesCount / 3);
+            _preview.Info = string.Format("\nTriangles: {0:N0}\nVertices: {1:N0}\nMemory Size: {2}", triangleCount, indicesCount / 3, Utilities.Utils.FormatBytesCount(Asset.MemoryUsage));
             _preview.Asset = FlaxEngine.Content.LoadAsync<ModelBase>(_asset.Options.Model);
         }
 

Source/Editor/Windows/GameCookerWindow.cs

@@ -59,17 +59,11 @@ namespace FlaxEditor.Windows
                 GameCookerWin = win;
                 Selector = platformSelector;
 
-                PerPlatformOptions[PlatformType.Windows].Init("Output/Windows", "Windows");
+                foreach (var e in PerPlatformOptions)
-                PerPlatformOptions[PlatformType.XboxOne].Init("Output/XboxOne", "XboxOne");
+                {
-                PerPlatformOptions[PlatformType.UWP].Init("Output/UWP", "UWP");
+                    var str = e.Key.ToString();
-                PerPlatformOptions[PlatformType.Linux].Init("Output/Linux", "Linux");
+                    e.Value.Init("Output/" + str, str);
-                PerPlatformOptions[PlatformType.PS4].Init("Output/PS4", "PS4");
+                }
-                PerPlatformOptions[PlatformType.XboxScarlett].Init("Output/XboxScarlett", "XboxScarlett");
-                PerPlatformOptions[PlatformType.Android].Init("Output/Android", "Android");
-                PerPlatformOptions[PlatformType.Switch].Init("Output/Switch", "Switch");
-                PerPlatformOptions[PlatformType.PS5].Init("Output/PS5", "PS5");
-                PerPlatformOptions[PlatformType.Mac].Init("Output/Mac", "Mac");
-                PerPlatformOptions[PlatformType.iOS].Init("Output/iOS", "iOS");
             }
 
             [HideInEditor]
@@ -196,12 +190,14 @@ namespace FlaxEditor.Windows
                     var label = layout.Label(text, TextAlignment.Center);
                     label.Label.AutoHeight = true;
                 }
-                
+
                 /// <summary>
                 /// Used to add platform specific tools if available.
                 /// </summary>
                 /// <param name="layout">The layout to start the tools at.</param>
-                public virtual void OnCustomToolsLayout(LayoutElementsContainer layout) { }
+                public virtual void OnCustomToolsLayout(LayoutElementsContainer layout)
+                {
+                }
 
                 public virtual void Build()
                 {
@@ -256,7 +252,7 @@ namespace FlaxEditor.Windows
                     if (string.IsNullOrEmpty(sdkPath))
                         sdkPath = Environment.GetEnvironmentVariable("ANDROID_SDK");
                     emulatorGroup.Label($"SDK path: {sdkPath}");
-                    
+
                     // AVD and starting emulator
                     var avdGroup = emulatorGroup.Group("AVD Emulator");
                     avdGroup.Label("Note: Create AVDs using Android Studio.");
@@ -273,7 +269,7 @@ namespace FlaxEditor.Windows
                     {
                         if (avdListTree.Children.Count > 0)
                             avdListTree.DisposeChildren();
-                        
+
                         var processStartInfo = new System.Diagnostics.ProcessStartInfo
                         {
                             FileName = Path.Combine(sdkPath, "emulator", "emulator.exe"),
@@ -299,7 +295,7 @@ namespace FlaxEditor.Windows
                         };
                         //processSettings.ShellExecute = true;
                         FlaxEngine.Platform.CreateProcess(ref processSettings);
-                        
+
                         var output = new string(processSettings.Output);*/
                         if (output.Length == 0)
                         {
@@ -345,9 +341,9 @@ namespace FlaxEditor.Windows
                         processSettings.ShellExecute = true;
                         FlaxEngine.Platform.CreateProcess(ref processSettings);
                     };
-                    
+
                     emulatorGroup.Space(2);
-                    
+
                     // Device
                     var installGroup = emulatorGroup.Group("Install");
                     installGroup.Panel.IsClosed = false;
@@ -391,10 +387,10 @@ namespace FlaxEditor.Windows
                         processSettings.SaveOutput = true;
                         processSettings.ShellExecute = false;
                         FlaxEngine.Platform.CreateProcess(ref processSettings);
-                        
+
                         var output = new string(processSettings.Output);
                         */
-                        
+
                         if (output.Length > 0 && !output.Equals("List of devices attached", StringComparison.Ordinal))
                         {
                             noDevicesLabel.Visible = false;
@@ -403,7 +399,7 @@ namespace FlaxEditor.Windows
                             {
                                 if (line.Trim().Equals("List of devices attached", StringComparison.Ordinal) || string.IsNullOrEmpty(line.Trim()))
                                     continue;
-                                
+
                                 var tab = line.Split("device ");
                                 if (tab.Length < 2)
                                     continue;
@@ -430,7 +426,7 @@ namespace FlaxEditor.Windows
                     {
                         if (deviceListTree.Selection.Count == 0)
                             return;
-                        
+
                         // Get built APK at output path
                         string output = StringUtils.ConvertRelativePathToAbsolute(Globals.ProjectFolder, StringUtils.NormalizePath(Output));
                         if (!Directory.Exists(output))
@@ -438,7 +434,7 @@ namespace FlaxEditor.Windows
                             FlaxEditor.Editor.LogWarning("Can not copy APK because output folder does not exist.");
                             return;
                         }
-                        
+
                         var apkFiles = Directory.GetFiles(output, "*.apk");
                         if (apkFiles.Length == 0)
                         {
@@ -457,7 +453,7 @@ namespace FlaxEditor.Windows
                             }
                             apkFilesString += $" \"{file}\"";
                         }
-                        
+
                         CreateProcessSettings processSettings = new CreateProcessSettings
                         {
                             FileName = Path.Combine(sdkPath, "platform-tools", "adb.exe"),

Source/Editor/Windows/GameWindow.cs

@@ -1192,6 +1192,12 @@ namespace FlaxEditor.Windows
                     Screen.CursorVisible = true;
                 Screen.CursorLock = CursorLockMode.None;
             }
+
+            if (Editor.IsPlayMode && IsDocked && IsSelected && RootWindow.FocusedControl == null)
+            {
+                // Game UI cleared focus so regain it to maintain UI navigation just like game window does
+                FlaxEngine.Scripting.InvokeOnUpdate(Focus);
+            }
         }
 
         /// <inheritdoc />

Source/Editor/Windows/OutputLogWindow.cs

@@ -235,6 +235,8 @@ namespace FlaxEditor.Windows
 
                 // Add items
                 ItemsListContextMenu.Item lastItem = null;
+                var itemFont = Style.Current.FontSmall;
+                var maxWidth = 0.0f;
                 foreach (var command in commands)
                 {
                     cm.AddItem(lastItem = new Item
@@ -252,6 +254,7 @@ namespace FlaxEditor.Windows
                         // Set command
                         Set(item.Name);
                     };
+                    maxWidth = Mathf.Max(maxWidth, itemFont.MeasureText(command).X);
                 }
                 cm.ItemClicked += item =>
                 {
@@ -265,6 +268,9 @@ namespace FlaxEditor.Windows
                 cm.Height = 220;
                 if (cm.Height > totalHeight)
                     cm.Height = totalHeight; // Limit popup height if list is small
+                maxWidth += 8.0f + ScrollBar.DefaultSize; // Margin
+                if (cm.Width < maxWidth)
+                    cm.Width = maxWidth;
                 if (searchText != null)
                 {
                     cm.SortItems();
@@ -344,8 +350,8 @@ namespace FlaxEditor.Windows
                     // Update history buffer
                     if (_window._commandHistory == null)
                         _window._commandHistory = new List<string>();
-                    else if (_window._commandHistory.Count != 0 && _window._commandHistory.Last() == command)
+                    else if (_window._commandHistory.Count != 0 && _window._commandHistory.Contains(command))
-                        _window._commandHistory.RemoveAt(_window._commandHistory.Count - 1);
+                        _window._commandHistory.Remove(command);
                     _window._commandHistory.Add(command);
                     if (_window._commandHistory.Count > CommandHistoryLimit)
                         _window._commandHistory.RemoveAt(0);

Source/Editor/Windows/Profiler/Assets.cs

@@ -34,6 +34,7 @@ namespace FlaxEditor.Windows.Profiler
         private List<ClickableRow> _tableRowsCache;
         private Dictionary<Guid, Resource> _resourceCache;
         private StringBuilder _stringBuilder;
+        private Asset[] _assetsCache;
 
         public Assets()
         : base("Assets")
@@ -138,12 +139,12 @@ namespace FlaxEditor.Windows.Profiler
                 _stringBuilder = new StringBuilder();
 
             // Capture current assets usage info
-            var assets = FlaxEngine.Content.Assets;
+            FlaxEngine.Content.GetAssets(ref _assetsCache, out var count);
-            var resources = new Resource[assets.Length];
+            var resources = new Resource[count];
             ulong totalMemoryUsage = 0;
-            for (int i = 0; i < resources.Length; i++)
+            for (int i = 0; i < count; i++)
             {
-                var asset = assets[i];
+                var asset = _assetsCache[i];
                 ref var resource = ref resources[i];
                 if (!asset)
                     continue;
@@ -179,6 +180,7 @@ namespace FlaxEditor.Windows.Profiler
             if (_resources == null)
                 _resources = new SamplesBuffer<Resource[]>();
             _resources.Add(resources);
+            Array.Clear(_assetsCache);
         }
 
         /// <inheritdoc />
@@ -200,6 +202,7 @@ namespace FlaxEditor.Windows.Profiler
             _resourceCache?.Clear();
             _tableRowsCache?.Clear();
             _stringBuilder?.Clear();
+            _assetsCache = null;
 
             base.OnDestroy();
         }

Source/Editor/Windows/Profiler/Memory.cs

@@ -2,6 +2,8 @@
 
 #if USE_PROFILER
 using System;
+using System.Collections.Generic;
+using FlaxEditor.GUI;
 using FlaxEngine;
 using FlaxEngine.GUI;
 
@@ -13,9 +15,22 @@ namespace FlaxEditor.Windows.Profiler
     /// <seealso cref="FlaxEditor.Windows.Profiler.ProfilerMode" />
     internal sealed class Memory : ProfilerMode
     {
+        private struct FrameData
+        {
+            public ProfilerMemory.GroupsArray Usage;
+            public ProfilerMemory.GroupsArray Peek;
+            public ProfilerMemory.GroupsArray Count;
+        }
+
         private readonly SingleChart _nativeAllocationsChart;
         private readonly SingleChart _managedAllocationsChart;
-
+        private readonly Table _table;
+        private SamplesBuffer<FrameData> _frames;
+        private List<Row> _tableRowsCache;
+        private string[] _groupNames;
+        private int[] _groupOrder;
+        private Label _warningText;
+        
         public Memory()
         : base("Memory")
         {
@@ -50,6 +65,70 @@ namespace FlaxEditor.Windows.Profiler
                 Parent = layout,
             };
             _managedAllocationsChart.SelectedSampleChanged += OnSelectedSampleChanged;
+
+            // Warning text
+            if (!ProfilerMemory.Enabled)
+            {
+                _warningText = new Label
+                {
+                    Text = "Detailed memory profiling is disabled. Run with command line '-mem'",
+                    TextColor = Color.Red,
+                    Visible = false,
+                    Parent = layout,
+                };
+            }
+
+            // Table
+            var style = Style.Current;
+            var headerColor = style.LightBackground;
+            var textColor = style.Foreground;
+            _table = new Table
+            {
+                Columns = new[]
+                {
+                    new ColumnDefinition
+                    {
+                        UseExpandCollapseMode = true,
+                        CellAlignment = TextAlignment.Near,
+                        Title = "Group",
+                        TitleBackgroundColor = headerColor,
+                        TitleColor = textColor,
+                    },
+                    new ColumnDefinition
+                    {
+                        Title = "Usage",
+                        TitleBackgroundColor = headerColor,
+                        FormatValue = FormatCellBytes,
+                        TitleColor = textColor,
+                    },
+                    new ColumnDefinition
+                    {
+                        Title = "Peek",
+                        TitleBackgroundColor = headerColor,
+                        FormatValue = FormatCellBytes,
+                        TitleColor = textColor,
+                    },
+                    new ColumnDefinition
+                    {
+                        Title = "Count",
+                        TitleBackgroundColor = headerColor,
+                        TitleColor = textColor,
+                    },
+                },
+                Parent = layout,
+            };
+            _table.Splits = new[]
+            {
+                0.5f,
+                0.2f,
+                0.2f,
+                0.1f,
+            };
+        }
+
+        private string FormatCellBytes(object x)
+        {
+            return Utilities.Utils.FormatBytesCount(Convert.ToUInt64(x));
         }
 
         /// <inheritdoc />
@@ -57,6 +136,7 @@ namespace FlaxEditor.Windows.Profiler
         {
             _nativeAllocationsChart.Clear();
             _managedAllocationsChart.Clear();
+            _frames?.Clear();
         }
 
         /// <inheritdoc />
@@ -84,6 +164,19 @@ namespace FlaxEditor.Windows.Profiler
 
             _nativeAllocationsChart.AddSample(nativeMemoryAllocation);
             _managedAllocationsChart.AddSample(managedMemoryAllocation);
+
+            // Gather memory profiler stats for groups
+            var frame = new FrameData
+            {
+                Usage = ProfilerMemory.GetGroups(0),
+                Peek = ProfilerMemory.GetGroups(1),
+                Count = ProfilerMemory.GetGroups(2),
+            };
+            if (_frames == null)
+                _frames = new SamplesBuffer<FrameData>();
+            if (_groupNames == null)
+                _groupNames = ProfilerMemory.GetGroupNames();
+            _frames.Add(frame);
         }
 
         /// <inheritdoc />
@@ -91,6 +184,112 @@ namespace FlaxEditor.Windows.Profiler
         {
             _nativeAllocationsChart.SelectedSampleIndex = selectedFrame;
             _managedAllocationsChart.SelectedSampleIndex = selectedFrame;
+
+            UpdateTable(selectedFrame);
+        }
+
+        /// <inheritdoc />
+        public override void OnDestroy()
+        {
+            _tableRowsCache?.Clear();
+            _groupNames = null;
+            _groupOrder = null;
+
+            base.OnDestroy();
+        }
+
+        private void UpdateTable(int selectedFrame)
+        {
+            if (_frames == null)
+                return;
+            if (_tableRowsCache == null)
+                _tableRowsCache = new List<Row>();
+            _table.IsLayoutLocked = true;
+
+            RecycleTableRows(_table, _tableRowsCache);
+            UpdateTableInner(selectedFrame);
+
+            _table.UnlockChildrenRecursive();
+            _table.PerformLayout();
+        }
+
+        private unsafe void UpdateTableInner(int selectedFrame)
+        {
+            if (_frames.Count == 0)
+                return;
+            if (_warningText != null)
+                _warningText.Visible = true;
+            var frame = _frames.Get(selectedFrame);
+            var totalUage = frame.Usage.Values0[(int)ProfilerMemory.Groups.TotalTracked];
+            var totalPeek = frame.Peek.Values0[(int)ProfilerMemory.Groups.TotalTracked];
+            var totalCount = frame.Count.Values0[(int)ProfilerMemory.Groups.TotalTracked];
+
+            // Sort by memory size
+            if (_groupOrder == null)
+                _groupOrder = new int[(int)ProfilerMemory.Groups.MAX];
+            for (int i = 0; i < (int)ProfilerMemory.Groups.MAX; i++)
+                _groupOrder[i] = i;
+            Array.Sort(_groupOrder, (x, y) =>
+            {
+                var tmp = _frames.Get(selectedFrame);
+                return tmp.Usage.Values0[y].CompareTo(tmp.Usage.Values0[x]);
+            });
+
+            // Add rows
+            var rowColor2 = Style.Current.Background * 1.4f;
+            for (int i = 0; i < (int)ProfilerMemory.Groups.MAX; i++)
+            {
+                var group = _groupOrder[i];
+                var groupUsage = frame.Usage.Values0[group];
+                if (groupUsage <= 0)
+                    continue;
+                var groupPeek = frame.Peek.Values0[group];
+                var groupCount = frame.Count.Values0[group];
+
+                Row row;
+                if (_tableRowsCache.Count != 0)
+                {
+                    var last = _tableRowsCache.Count - 1;
+                    row = _tableRowsCache[last];
+                    _tableRowsCache.RemoveAt(last);
+                }
+                else
+                {
+                    row = new Row
+                    {
+                        Values = new object[4],
+                        BackgroundColors = new Color[4],
+                    };
+                }
+                {
+                    // Group
+                    row.Values[0] = _groupNames[group];
+
+                    // Usage
+                    row.Values[1] = groupUsage;
+                    row.BackgroundColors[1] = Color.Red.AlphaMultiplied(Mathf.Min(1, (float)groupUsage / totalUage) * 0.5f);
+
+                    // Peek
+                    row.Values[2] = groupPeek;
+                    row.BackgroundColors[2] = Color.Red.AlphaMultiplied(Mathf.Min(1, (float)groupPeek / totalPeek) * 0.5f);
+
+                    // Count
+                    row.Values[3] = groupCount;
+                    row.BackgroundColors[3] = Color.Red.AlphaMultiplied(Mathf.Min(1, (float)groupCount / totalCount) * 0.5f);
+                }
+                row.Width = _table.Width;
+                row.BackgroundColor = i % 2 == 1 ? rowColor2 : Color.Transparent;
+                row.Parent = _table;
+
+                var useBackground = group != (int)ProfilerMemory.Groups.Total &&
+                                    group != (int)ProfilerMemory.Groups.TotalTracked &&
+                                    group != (int)ProfilerMemory.Groups.Malloc;
+                if (!useBackground)
+                {
+                    for (int k = 1; k < row.BackgroundColors.Length; k++)
+                        row.BackgroundColors[k] = Color.Transparent;
+                }
+            }
         }
     }
 }

Source/Editor/Windows/Profiler/MemoryGPU.cs

@@ -35,6 +35,7 @@ namespace FlaxEditor.Windows.Profiler
         private Dictionary<string, Guid> _assetPathToId;
         private Dictionary<Guid, Resource> _resourceCache;
         private StringBuilder _stringBuilder;
+        private GPUResource[] _gpuResourcesCached;
 
         public MemoryGPU()
         : base("GPU Memory")
@@ -138,13 +139,15 @@ namespace FlaxEditor.Windows.Profiler
 
             // Capture current GPU resources usage info
             var contentDatabase = Editor.Instance.ContentDatabase;
-            var gpuResources = GPUDevice.Instance.Resources;
+            GPUDevice.Instance.GetResources(ref _gpuResourcesCached, out var count);
-            var resources = new Resource[gpuResources.Length];
+            var resources = new Resource[count];
             var sb = _stringBuilder;
-            for (int i = 0; i < resources.Length; i++)
+            for (int i = 0; i < count; i++)
             {
-                var gpuResource = gpuResources[i];
+                var gpuResource = _gpuResourcesCached[i];
                 ref var resource = ref resources[i];
+                if (!gpuResource)
+                    continue;
 
                 // Try to reuse cached resource info
                 var gpuResourceId = gpuResource.ID;
@@ -219,6 +222,7 @@ namespace FlaxEditor.Windows.Profiler
             if (_resources == null)
                 _resources = new SamplesBuffer<Resource[]>();
             _resources.Add(resources);
+            Array.Clear(_gpuResourcesCached);
         }
 
         /// <inheritdoc />
@@ -255,6 +259,7 @@ namespace FlaxEditor.Windows.Profiler
             _assetPathToId?.Clear();
             _tableRowsCache?.Clear();
             _stringBuilder?.Clear();
+            _gpuResourcesCached = null;
 
             base.OnDestroy();
         }

Source/Engine/AI/Behavior.cpp

@@ -7,6 +7,7 @@
 #include "Engine/Engine/Time.h"
 #include "Engine/Engine/EngineService.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Threading/TaskGraph.h"
 
 class BehaviorSystem : public TaskGraphSystem
@@ -38,6 +39,7 @@ TaskGraphSystem* Behavior::System = nullptr;
 void BehaviorSystem::Job(int32 index)
 {
     PROFILE_CPU_NAMED("Behavior.Job");
+    PROFILE_MEM(AI);
     Behaviors[index]->UpdateAsync();
 }
 
@@ -57,6 +59,7 @@ void BehaviorSystem::Execute(TaskGraph* graph)
 
 bool BehaviorService::Init()
 {
+    PROFILE_MEM(AI);
     Behavior::System = New<BehaviorSystem>();
     Engine::UpdateGraph->AddSystem(Behavior::System);
     return false;
@@ -70,9 +73,9 @@ void BehaviorService::Dispose()
 
 Behavior::Behavior(const SpawnParams& params)
     : Script(params)
+    , Tree(this)
 {
     _knowledge.Behavior = this;
-    Tree.Changed.Bind<Behavior, &Behavior::ResetLogic>(this);
 }
 
 void Behavior::UpdateAsync()
@@ -172,6 +175,19 @@ void Behavior::OnDisable()
     BehaviorServiceInstance.UpdateList.Remove(this);
 }
 
+void Behavior::OnAssetChanged(Asset* asset, void* caller)
+{
+    ResetLogic();
+}
+
+void Behavior::OnAssetLoaded(Asset* asset, void* caller)
+{
+}
+
+void Behavior::OnAssetUnloaded(Asset* asset, void* caller)
+{
+}
+
 #if USE_EDITOR
 
 bool Behavior::GetNodeDebugRelevancy(const BehaviorTreeNode* node, const Behavior* behavior)

Source/Engine/AI/Behavior.h

@@ -11,7 +11,7 @@
 /// <summary>
 /// Behavior instance script that runs Behavior Tree execution.
 /// </summary>
-API_CLASS(Attributes="Category(\"Flax Engine\")") class FLAXENGINE_API Behavior : public Script
+API_CLASS(Attributes="Category(\"Flax Engine\")") class FLAXENGINE_API Behavior : public Script, private IAssetReference
 {
     API_AUTO_SERIALIZATION();
     DECLARE_SCRIPTING_TYPE(Behavior);
@@ -92,6 +92,11 @@ public:
     void OnDisable() override;
 
 private:
+    // [IAssetReference]
+    void OnAssetChanged(Asset* asset, void* caller) override;
+    void OnAssetLoaded(Asset* asset, void* caller) override;
+    void OnAssetUnloaded(Asset* asset, void* caller) override;
+
 #if USE_EDITOR
     // Editor-only utilities to debug nodes state.
     API_FUNCTION(Internal) static bool GetNodeDebugRelevancy(const BehaviorTreeNode* node, const Behavior* behavior);

Source/Engine/AI/BehaviorKnowledge.cpp

@@ -4,6 +4,7 @@
 #include "BehaviorTree.h"
 #include "BehaviorTreeNodes.h"
 #include "BehaviorKnowledgeSelector.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Scripting/Scripting.h"
 #include "Engine/Scripting/BinaryModule.h"
 #include "Engine/Scripting/ManagedCLR/MProperty.h"
@@ -144,6 +145,7 @@ BehaviorKnowledge::~BehaviorKnowledge()
 
 void BehaviorKnowledge::InitMemory(BehaviorTree* tree)
 {
+    PROFILE_MEM(AI);
     if (Tree)
         FreeMemory();
     if (!tree)

Source/Engine/AI/BehaviorTree.cpp

@@ -10,6 +10,7 @@
 #include "Engine/Serialization/JsonSerializer.h"
 #include "Engine/Serialization/MemoryReadStream.h"
 #include "Engine/Threading/Threading.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "FlaxEngine.Gen.h"
 #if USE_EDITOR
 #include "Engine/Level/Level.h"
@@ -275,6 +276,7 @@ Asset::LoadResult BehaviorTree::load()
     if (surfaceChunk == nullptr)
         return LoadResult::MissingDataChunk;
     MemoryReadStream surfaceStream(surfaceChunk->Get(), surfaceChunk->Size());
+    PROFILE_MEM(AI);
     if (Graph.Load(&surfaceStream, true))
     {
         LOG(Warning, "Failed to load graph \'{0}\'", ToString());

Source/Engine/Animations/Animations.cpp

@@ -4,6 +4,7 @@
 #include "AnimEvent.h"
 #include "Engine/Engine/Engine.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Level/Actors/AnimatedModel.h"
 #include "Engine/Engine/Time.h"
 #include "Engine/Engine/EngineService.h"
@@ -52,7 +53,7 @@ namespace
 
 AnimationsService AnimationManagerInstance;
 TaskGraphSystem* Animations::System = nullptr;
-ConcurrentSystemLocker Animations::SystemLocker;
+ReadWriteLock Animations::SystemLocker;
 #if USE_EDITOR
 Delegate<Animations::DebugFlowInfo> Animations::DebugFlow;
 #endif
@@ -69,6 +70,7 @@ AnimContinuousEvent::AnimContinuousEvent(const SpawnParams& params)
 
 bool AnimationsService::Init()
 {
+    PROFILE_MEM(Animations);
     Animations::System = New<AnimationsSystem>();
     Engine::UpdateGraph->AddSystem(Animations::System);
     return false;
@@ -83,6 +85,7 @@ void AnimationsService::Dispose()
 void AnimationsSystem::Job(int32 index)
 {
     PROFILE_CPU_NAMED("Animations.Job");
+    PROFILE_MEM(Animations);
     auto animatedModel = AnimationManagerInstance.UpdateList[index];
     if (CanUpdateModel(animatedModel))
     {
@@ -121,7 +124,7 @@ void AnimationsSystem::Execute(TaskGraph* graph)
     Active = true;
 
     // Ensure no animation assets can be reloaded/modified during async update
-    Animations::SystemLocker.Begin(false);
+    Animations::SystemLocker.ReadLock();
 
     // Setup data for async update
     const auto& tickData = Time::Update;
@@ -147,6 +150,7 @@ void AnimationsSystem::PostExecute(TaskGraph* graph)
     if (!Active)
         return;
     PROFILE_CPU_NAMED("Animations.PostExecute");
+    PROFILE_MEM(Animations);
 
     // Update gameplay
     for (int32 index = 0; index < AnimationManagerInstance.UpdateList.Count(); index++)
@@ -161,16 +165,18 @@ void AnimationsSystem::PostExecute(TaskGraph* graph)
 
     // Cleanup
     AnimationManagerInstance.UpdateList.Clear();
-    Animations::SystemLocker.End(false);
+    Animations::SystemLocker.ReadUnlock();
     Active = false;
 }
 
 void Animations::AddToUpdate(AnimatedModel* obj)
 {
+    ScopeWriteLock lock(SystemLocker);
     AnimationManagerInstance.UpdateList.Add(obj);
 }
 
 void Animations::RemoveFromUpdate(AnimatedModel* obj)
 {
+    ScopeWriteLock lock(SystemLocker);
     AnimationManagerInstance.UpdateList.Remove(obj);
 }

Source/Engine/Animations/Animations.h

@@ -4,7 +4,6 @@
 
 #include "Engine/Scripting/ScriptingType.h"
 #include "Engine/Core/Delegate.h"
-#include "Engine/Threading/ConcurrentSystemLocker.h"
 
 class TaskGraphSystem;
 class AnimatedModel;
@@ -23,7 +22,7 @@ API_CLASS(Static) class FLAXENGINE_API Animations
     API_FIELD(ReadOnly) static TaskGraphSystem* System;
 
     // Data access locker for animations data.
-    static ConcurrentSystemLocker SystemLocker;
+    static ReadWriteLock SystemLocker;
 
 #if USE_EDITOR
     // Data wrapper for the debug flow information.

Source/Engine/Animations/Graph/AnimGraph.cpp

@@ -6,6 +6,7 @@
 #include "Engine/Content/Assets/SkinnedModel.h"
 #include "Engine/Graphics/Models/SkeletonData.h"
 #include "Engine/Scripting/Scripting.h"
+#include "Engine/Threading/Threading.h"
 
 extern void RetargetSkeletonPose(const SkeletonData& sourceSkeleton, const SkeletonData& targetSkeleton, const SkinnedModel::SkeletonMapping& mapping, const Transform* sourceNodes, Transform* targetNodes);
 

Source/Engine/Animations/SceneAnimations/SceneAnimation.cpp

@@ -7,6 +7,7 @@
 #include "Engine/Content/Content.h"
 #include "Engine/Content/Deprecated.h"
 #include "Engine/Serialization/MemoryReadStream.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Audio/AudioClip.h"
 #include "Engine/Graphics/PostProcessSettings.h"
 #if USE_EDITOR
@@ -249,6 +250,7 @@ bool SceneAnimation::Save(const StringView& path)
 Asset::LoadResult SceneAnimation::load()
 {
     TrackStatesCount = 0;
+    PROFILE_MEM(AnimationsData);
 
     // Get the data chunk
     if (LoadChunk(0))

Source/Engine/Animations/SceneAnimations/SceneAnimationPlayer.cpp

@@ -12,6 +12,7 @@
 #include "Engine/Audio/AudioSource.h"
 #include "Engine/Graphics/RenderTask.h"
 #include "Engine/Renderer/RenderList.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Scripting/Scripting.h"
 #include "Engine/Scripting/Script.h"
 #include "Engine/Scripting/ManagedCLR/MException.h"
@@ -151,6 +152,7 @@ void SceneAnimationPlayer::Tick(float dt)
     SceneAnimation* anim = Animation.Get();
     if (!anim || !anim->IsLoaded())
         return;
+    PROFILE_MEM(Animations);
 
     // Setup state
     if (_tracks.Count() != anim->TrackStatesCount)
@@ -229,6 +231,7 @@ void SceneAnimationPlayer::MapTrack(const StringView& from, const Guid& to)
     SceneAnimation* anim = Animation.Get();
     if (!anim || !anim->IsLoaded())
         return;
+    PROFILE_MEM(Animations);
     for (int32 j = 0; j < anim->Tracks.Count(); j++)
     {
         const auto& track = anim->Tracks[j];

Source/Engine/Audio/Audio.cpp

@@ -8,6 +8,7 @@
 #include "Engine/Scripting/BinaryModule.h"
 #include "Engine/Level/Level.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Engine/Engine.h"
 #include "Engine/Engine/CommandLine.h"
 #include "Engine/Core/Log.h"
@@ -151,6 +152,7 @@ void Audio::SetEnableHRTF(bool value)
 bool AudioService::Init()
 {
     PROFILE_CPU_NAMED("Audio.Init");
+    PROFILE_MEM(Audio);
     const auto settings = AudioSettings::Get();
     const bool mute = CommandLine::Options.Mute.IsTrue() || settings->DisableAudio;
 
@@ -211,6 +213,7 @@ bool AudioService::Init()
 void AudioService::Update()
 {
     PROFILE_CPU_NAMED("Audio.Update");
+    PROFILE_MEM(Audio);
 
     // Update the master volume
     float masterVolume = MasterVolume;

Source/Engine/Audio/AudioClip.cpp

@@ -7,50 +7,67 @@
 #include "Engine/Core/Log.h"
 #include "Engine/Content/Upgraders/AudioClipUpgrader.h"
 #include "Engine/Content/Factories/BinaryAssetFactory.h"
+#include "Engine/Profiler/ProfilerCPU.h"
 #include "Engine/Scripting/ManagedCLR/MUtils.h"
 #include "Engine/Streaming/StreamingGroup.h"
 #include "Engine/Serialization/MemoryReadStream.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Tools/AudioTool/OggVorbisDecoder.h"
 #include "Engine/Tools/AudioTool/AudioTool.h"
 #include "Engine/Threading/Threading.h"
 
 REGISTER_BINARY_ASSET_WITH_UPGRADER(AudioClip, "FlaxEngine.AudioClip", AudioClipUpgrader, false);
 
+AudioClip::StreamingTask::StreamingTask(AudioClip* asset)
+    : _asset(asset)
+    , _dataLock(asset->Storage->Lock())
+{
+}
+
+bool AudioClip::StreamingTask::HasReference(Object* resource) const
+{
+    return _asset == resource;
+}
+
 bool AudioClip::StreamingTask::Run()
 {
-    AssetReference<AudioClip> ref = _asset.Get();
+    PROFILE_CPU_NAMED("AudioStreaming");
-    if (ref == nullptr || AudioBackend::Instance == nullptr)
+    PROFILE_MEM(Audio);
+    AssetReference<AudioClip> clip = _asset.Get();
+    if (clip == nullptr || AudioBackend::Instance == nullptr)
         return true;
-    ScopeLock lock(ref->Locker);
+#if TRACY_ENABLE
-    const auto& queue = ref->StreamingQueue;
+    const StringView name(clip->GetPath());
-    if (queue.Count() == 0)
+    ZoneName(*name, name.Length());
-        return false;
+#endif
-    auto clip = ref.Get();
 
-    // Update the buffers
+    // Process the loading queue (hold the asset lock)
+    clip->Locker.Lock();
+    const auto& queue = clip->StreamingQueue;
+    Array<int32, FixedAllocation<ASSET_FILE_DATA_CHUNKS>> loadQueue;
     for (int32 i = 0; i < queue.Count(); i++)
     {
-        const auto idx = queue[i];
+        const int32 idx = queue[i];
         uint32& bufferID = clip->Buffers[idx];
         if (bufferID == 0)
         {
-            bufferID = AudioBackend::Buffer::Create();
+            // Load buffers outside the asset lock to prevent lock contention
+            loadQueue.Add(idx);
         }
         else
         {
-            // Release unused data
+            // Release unused buffer
             AudioBackend::Buffer::Delete(bufferID);
             bufferID = 0;
         }
     }
+    clip->Locker.Unlock();
 
     // Load missing buffers data (from asset chunks)
-    for (int32 i = 0; i < queue.Count(); i++)
+    for (int32 i = 0; i < loadQueue.Count(); i++)
     {
-        if (clip->WriteBuffer(queue[i]))
+        if (clip->WriteBuffer(loadQueue[i]))
-        {
             return true;
-        }
     }
 
     // Update the sources
@@ -318,6 +335,7 @@ bool AudioClip::init(AssetInitData& initData)
 
 Asset::LoadResult AudioClip::load()
 {
+    PROFILE_MEM(Audio);
 #if !COMPILE_WITH_OGG_VORBIS
     if (AudioHeader.Format == AudioFormat::Vorbis)
     {
@@ -410,14 +428,11 @@ void AudioClip::unload(bool isReloading)
 
 bool AudioClip::WriteBuffer(int32 chunkIndex)
 {
-    // Ignore if buffer is not created
-    const uint32 bufferID = Buffers[chunkIndex];
-    if (bufferID == 0)
-        return false;
-
     // Ensure audio backend exists
     if (AudioBackend::Instance == nullptr)
         return true;
+    PROFILE_CPU();
+    PROFILE_MEM(Audio);
 
     const auto chunk = GetChunk(chunkIndex);
     if (chunk == nullptr || chunk->IsMissing())
@@ -429,6 +444,7 @@ bool AudioClip::WriteBuffer(int32 chunkIndex)
     Array<byte> tmp1, tmp2;
     AudioDataInfo info = AudioHeader.Info;
     const uint32 bytesPerSample = info.BitDepth / 8;
+    ZoneValue(chunk->Size() / 1024); // Audio data size (in kB)
 
     // Get raw data or decompress it
     switch (Format())
@@ -436,6 +452,7 @@ bool AudioClip::WriteBuffer(int32 chunkIndex)
     case AudioFormat::Vorbis:
     {
 #if COMPILE_WITH_OGG_VORBIS
+        PROFILE_CPU_NAMED("OggVorbisDecode");
         OggVorbisDecoder decoder;
         MemoryReadStream stream(chunk->Get(), chunk->Size());
         AudioDataInfo tmpInfo;
@@ -472,7 +489,13 @@ bool AudioClip::WriteBuffer(int32 chunkIndex)
         data = Span<byte>(tmp2.Get(), tmp2.Count());
     }
 
-    // Write samples to the audio buffer
+    // Write samples to the audio buffer (create one if missing)
+    Locker.Lock(); // StreamingTask loads buffers without lock so do it here
+    uint32& bufferID = Buffers[chunkIndex];
+    if (bufferID == 0)
+        bufferID = AudioBackend::Buffer::Create();
     AudioBackend::Buffer::Write(bufferID, data.Get(), info);
+    Locker.Unlock();
+
     return false;
 }

Source/Engine/Audio/AudioClip.h

@@ -44,22 +44,11 @@ public:
         FlaxStorage::LockData _dataLock;
 
     public:
-        /// <summary>
+        StreamingTask(AudioClip* asset);
-        /// Init
-        /// </summary>
-        /// <param name="asset">Parent asset</param>
-        StreamingTask(AudioClip* asset)
-            : _asset(asset)
-            , _dataLock(asset->Storage->Lock())
-        {
-        }
 
     public:
         // [ThreadPoolTask]
-        bool HasReference(Object* resource) const override
+        bool HasReference(Object* resource) const override;
-        {
-            return _asset == resource;
-        }
 
     protected:
         // [ThreadPoolTask]

Source/Engine/Audio/AudioSource.cpp

@@ -8,6 +8,7 @@
 #include "Engine/Engine/Time.h"
 #include "Engine/Level/Scene/Scene.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "AudioBackend.h"
 #include "Audio.h"
 
@@ -21,9 +22,8 @@ AudioSource::AudioSource(const SpawnParams& params)
     , _playOnStart(false)
     , _startTime(0.0f)
     , _allowSpatialization(true)
+    , Clip(this)
 {
-    Clip.Changed.Bind<AudioSource, &AudioSource::OnClipChanged>(this);
-    Clip.Loaded.Bind<AudioSource, &AudioSource::OnClipLoaded>(this);
 }
 
 void AudioSource::SetVolume(float value)
@@ -121,6 +121,7 @@ void AudioSource::Play()
     auto state = _state;
     if (state == States::Playing)
         return;
+    PROFILE_CPU();
     if (Clip == nullptr || Clip->WaitForLoaded())
     {
         LOG(Warning, "Cannot play audio source without a clip ({0})", GetNamePath());
@@ -189,6 +190,7 @@ void AudioSource::Stop()
 {
     if (_state == States::Stopped)
         return;
+    PROFILE_CPU();
 
     _state = States::Stopped;
     _isActuallyPlayingSth = false;
@@ -264,7 +266,7 @@ void AudioSource::RequestStreamingBuffersUpdate()
     _needToUpdateStreamingBuffers = true;
 }
 
-void AudioSource::OnClipChanged()
+void AudioSource::OnAssetChanged(Asset* asset, void* caller)
 {
     Stop();
 
@@ -276,7 +278,7 @@ void AudioSource::OnClipChanged()
     }
 }
 
-void AudioSource::OnClipLoaded()
+void AudioSource::OnAssetLoaded(Asset* asset, void* caller)
 {
     if (!SourceID)
         return;
@@ -302,6 +304,10 @@ void AudioSource::OnClipLoaded()
     }
 }
 
+void AudioSource::OnAssetUnloaded(Asset* asset, void* caller)
+{
+}
+
 bool AudioSource::UseStreaming() const
 {
     if (Clip == nullptr || Clip->WaitForLoaded())
@@ -383,6 +389,7 @@ bool AudioSource::IntersectsItself(const Ray& ray, Real& distance, Vector3& norm
 void AudioSource::Update()
 {
     PROFILE_CPU();
+    PROFILE_MEM(Audio);
 
     // Update the velocity
     const Vector3 pos = GetPosition();

Source/Engine/Audio/AudioSource.h

@@ -13,7 +13,7 @@
 /// Whether or not an audio source is spatial is controlled by the assigned AudioClip.The volume and the pitch of a spatial audio source is controlled by its position and the AudioListener's position/direction/velocity.
 /// </remarks>
 API_CLASS(Attributes="ActorContextMenu(\"New/Audio/Audio Source\"), ActorToolbox(\"Other\")")
-class FLAXENGINE_API AudioSource : public Actor
+class FLAXENGINE_API AudioSource : public Actor, IAssetReference
 {
     DECLARE_SCENE_OBJECT(AudioSource);
     friend class AudioStreamingHandler;
@@ -293,8 +293,10 @@ public:
     void RequestStreamingBuffersUpdate();
 
 private:
-    void OnClipChanged();
+    // [IAssetReference]
-    void OnClipLoaded();
+    void OnAssetChanged(Asset* asset, void* caller) override;
+    void OnAssetLoaded(Asset* asset, void* caller) override;
+    void OnAssetUnloaded(Asset* asset, void* caller) override;
 
     /// <summary>
     /// Plays the audio source. Should have buffer(s) binded before.

Source/Engine/Audio/OpenAL/AudioBackendOAL.cpp

@@ -9,6 +9,7 @@
 #include "Engine/Tools/AudioTool/AudioTool.h"
 #include "Engine/Engine/Units.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Audio/Audio.h"
 #include "Engine/Audio/AudioListener.h"
 #include "Engine/Audio/AudioSource.h"
@@ -321,6 +322,8 @@ void AudioBackendOAL::Listener_ReinitializeAll()
 
 uint32 AudioBackendOAL::Source_Add(const AudioDataInfo& format, const Vector3& position, const Quaternion& orientation, float volume, float pitch, float pan, bool loop, bool spatial, float attenuation, float minDistance, float doppler)
 {
+    PROFILE_MEM(Audio);
+
     uint32 sourceID = 0;
     ALC::Source::Rebuild(sourceID, position, orientation, volume, pitch, pan, loop, spatial, attenuation, minDistance, doppler);
 
@@ -516,6 +519,7 @@ void AudioBackendOAL::Buffer_Delete(uint32 bufferID)
 void AudioBackendOAL::Buffer_Write(uint32 bufferID, byte* samples, const AudioDataInfo& info)
 {
     PROFILE_CPU();
+    PROFILE_MEM(Audio);
 
     // Pick the format for the audio data (it might not be supported natively)
     ALenum format = GetOpenALBufferFormat(info.NumChannels, info.BitDepth);
@@ -625,6 +629,8 @@ AudioBackend::FeatureFlags AudioBackendOAL::Base_Features()
 
 void AudioBackendOAL::Base_OnActiveDeviceChanged()
 {
+    PROFILE_MEM(Audio);
+
     // Cleanup
     Array<ALC::AudioSourceState> states;
     states.EnsureCapacity(Audio::Sources.Count());

Source/Engine/Audio/XAudio2/AudioBackendXAudio2.cpp

@@ -9,6 +9,7 @@
 #include "Engine/Core/Log.h"
 #include "Engine/Audio/Audio.h"
 #include "Engine/Threading/Threading.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 
 #if PLATFORM_WINDOWS
 // Tweak Win ver
@@ -232,6 +233,7 @@ void AudioBackendXAudio2::Listener_ReinitializeAll()
 
 uint32 AudioBackendXAudio2::Source_Add(const AudioDataInfo& format, const Vector3& position, const Quaternion& orientation, float volume, float pitch, float pan, bool loop, bool spatial, float attenuation, float minDistance, float doppler)
 {
+    PROFILE_MEM(Audio);
     ScopeLock lock(XAudio2::Locker);
 
     // Get first free source
@@ -580,6 +582,7 @@ void AudioBackendXAudio2::Source_DequeueProcessedBuffers(uint32 sourceID)
 
 uint32 AudioBackendXAudio2::Buffer_Create()
 {
+    PROFILE_MEM(Audio);
     uint32 bufferID;
     ScopeLock lock(XAudio2::Locker);
 
@@ -618,6 +621,7 @@ void AudioBackendXAudio2::Buffer_Delete(uint32 bufferID)
 
 void AudioBackendXAudio2::Buffer_Write(uint32 bufferID, byte* samples, const AudioDataInfo& info)
 {
+    PROFILE_MEM(Audio);
     CHECK(info.NumChannels <= MAX_INPUT_CHANNELS);
 
     XAudio2::Locker.Lock();

Source/Engine/Content/Asset.cpp

@@ -9,6 +9,7 @@
 #include "Engine/Core/Log.h"
 #include "Engine/Core/LogContext.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Scripting/ManagedCLR/MCore.h"
 #include "Engine/Threading/MainThreadTask.h"
 #include "Engine/Threading/ThreadLocal.h"
@@ -34,15 +35,18 @@ bool ContentDeprecated::Clear(bool newValue)
 
 #endif
 
+AssetReferenceBase::AssetReferenceBase(IAssetReference* owner)
+    : _owner(owner)
+{
+}
+
 AssetReferenceBase::~AssetReferenceBase()
 {
     Asset* asset = _asset;
     if (asset)
     {
         _asset = nullptr;
-        asset->OnLoaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnLoaded>(this);
+        asset->RemoveReference(this);
-        asset->OnUnloaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnUnloaded>(this);
-        asset->RemoveReference();
     }
 }
 
@@ -51,52 +55,60 @@ String AssetReferenceBase::ToString() const
     return _asset ? _asset->ToString() : TEXT("<null>");
 }
 
+void AssetReferenceBase::OnAssetChanged(Asset* asset, void* caller)
+{
+    if (_owner)
+        _owner->OnAssetChanged(asset, this);
+}
+
+void AssetReferenceBase::OnAssetLoaded(Asset* asset, void* caller)
+{
+    if (_asset != asset)
+        return;
+    Loaded();
+    if (_owner)
+        _owner->OnAssetLoaded(asset, this);
+}
+
+void AssetReferenceBase::OnAssetUnloaded(Asset* asset, void* caller)
+{
+    if (_asset != asset)
+        return;
+    Unload();
+    OnSet(nullptr);
+    if (_owner)
+        _owner->OnAssetUnloaded(asset, this);
+}
+
 void AssetReferenceBase::OnSet(Asset* asset)
 {
     auto e = _asset;
     if (e != asset)
     {
         if (e)
-        {
+            e->RemoveReference(this);
-            e->OnLoaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnLoaded>(this);
-            e->OnUnloaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnUnloaded>(this);
-            e->RemoveReference();
-        }
         _asset = e = asset;
         if (e)
-        {
+            e->AddReference(this);
-            e->AddReference();
-            e->OnLoaded.Bind<AssetReferenceBase, &AssetReferenceBase::OnLoaded>(this);
-            e->OnUnloaded.Bind<AssetReferenceBase, &AssetReferenceBase::OnUnloaded>(this);
-        }
         Changed();
+        if (_owner)
+            _owner->OnAssetChanged(asset, this);
         if (e && e->IsLoaded())
+        {
             Loaded();
+            if (_owner)
+                _owner->OnAssetLoaded(asset, this);
+        }
     }
 }
 
-void AssetReferenceBase::OnLoaded(Asset* asset)
-{
-    if (_asset != asset)
-        return;
-    Loaded();
-}
-
-void AssetReferenceBase::OnUnloaded(Asset* asset)
-{
-    if (_asset != asset)
-        return;
-    Unload();
-    OnSet(nullptr);
-}
-
 WeakAssetReferenceBase::~WeakAssetReferenceBase()
 {
     Asset* asset = _asset;
     if (asset)
     {
         _asset = nullptr;
-        asset->OnUnloaded.Unbind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
+        asset->RemoveReference(this, true);
     }
 }
 
@@ -105,36 +117,43 @@ String WeakAssetReferenceBase::ToString() const
     return _asset ? _asset->ToString() : TEXT("<null>");
 }
 
+void WeakAssetReferenceBase::OnAssetChanged(Asset* asset, void* caller)
+{
+}
+
+void WeakAssetReferenceBase::OnAssetLoaded(Asset* asset, void* caller)
+{
+}
+
+void WeakAssetReferenceBase::OnAssetUnloaded(Asset* asset, void* caller)
+{
+    if (_asset != asset)
+        return;
+    Unload();
+    asset->RemoveReference(this, true);
+    _asset = nullptr;
+}
+
 void WeakAssetReferenceBase::OnSet(Asset* asset)
 {
     auto e = _asset;
     if (e != asset)
     {
         if (e)
-            e->OnUnloaded.Unbind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
+            e->RemoveReference(this, true);
         _asset = e = asset;
         if (e)
-            e->OnUnloaded.Bind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
+            e->AddReference(this, true);
     }
 }
 
-void WeakAssetReferenceBase::OnUnloaded(Asset* asset)
-{
-    if (_asset != asset)
-        return;
-    Unload();
-    asset->OnUnloaded.Unbind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
-    _asset = nullptr;
-}
-
 SoftAssetReferenceBase::~SoftAssetReferenceBase()
 {
     Asset* asset = _asset;
     if (asset)
     {
         _asset = nullptr;
-        asset->OnUnloaded.Unbind<SoftAssetReferenceBase, &SoftAssetReferenceBase::OnUnloaded>(this);
+        asset->RemoveReference(this);
-        asset->RemoveReference();
     }
 #if !BUILD_RELEASE
     _id = Guid::Empty;
@@ -146,22 +165,34 @@ String SoftAssetReferenceBase::ToString() const
     return _asset ? _asset->ToString() : (_id.IsValid() ? _id.ToString() : TEXT("<null>"));
 }
 
+void SoftAssetReferenceBase::OnAssetChanged(Asset* asset, void* caller)
+{
+}
+
+void SoftAssetReferenceBase::OnAssetLoaded(Asset* asset, void* caller)
+{
+}
+
+void SoftAssetReferenceBase::OnAssetUnloaded(Asset* asset, void* caller)
+{
+    if (_asset != asset)
+        return;
+    _asset->RemoveReference(this);
+    _asset = nullptr;
+    _id = Guid::Empty;
+    Changed();
+}
+
 void SoftAssetReferenceBase::OnSet(Asset* asset)
 {
     if (_asset == asset)
         return;
     if (_asset)
-    {
+        _asset->RemoveReference(this);
-        _asset->OnUnloaded.Unbind<SoftAssetReferenceBase, &SoftAssetReferenceBase::OnUnloaded>(this);
-        _asset->RemoveReference();
-    }
     _asset = asset;
     _id = asset ? asset->GetID() : Guid::Empty;
     if (asset)
-    {
+        asset->AddReference(this);
-        asset->AddReference();
-        asset->OnUnloaded.Bind<SoftAssetReferenceBase, &SoftAssetReferenceBase::OnUnloaded>(this);
-    }
     Changed();
 }
 
@@ -170,10 +201,7 @@ void SoftAssetReferenceBase::OnSet(const Guid& id)
     if (_id == id)
         return;
     if (_asset)
-    {
+        _asset->RemoveReference(this);
-        _asset->OnUnloaded.Unbind<SoftAssetReferenceBase, &SoftAssetReferenceBase::OnUnloaded>(this);
-        _asset->RemoveReference();
-    }
     _asset = nullptr;
     _id = id;
     Changed();
@@ -184,21 +212,7 @@ void SoftAssetReferenceBase::OnResolve(const ScriptingTypeHandle& type)
     ASSERT(!_asset);
     _asset = ::LoadAsset(_id, type);
     if (_asset)
-    {
+        _asset->AddReference(this);
-        _asset->OnUnloaded.Bind<SoftAssetReferenceBase, &SoftAssetReferenceBase::OnUnloaded>(this);
-        _asset->AddReference();
-    }
-}
-
-void SoftAssetReferenceBase::OnUnloaded(Asset* asset)
-{
-    if (_asset != asset)
-        return;
-    _asset->RemoveReference();
-    _asset->OnUnloaded.Unbind<SoftAssetReferenceBase, &SoftAssetReferenceBase::OnUnloaded>(this);
-    _asset = nullptr;
-    _id = Guid::Empty;
-    Changed();
 }
 
 Asset::Asset(const SpawnParams& params, const AssetInfo* info)
@@ -216,6 +230,39 @@ int32 Asset::GetReferencesCount() const
     return (int32)Platform::AtomicRead(const_cast<int64 volatile*>(&_refCount));
 }
 
+void Asset::AddReference()
+{
+    Platform::InterlockedIncrement(&_refCount);
+}
+
+void Asset::AddReference(IAssetReference* ref, bool week)
+{
+    if (!week)
+        Platform::InterlockedIncrement(&_refCount);
+    if (ref)
+    {
+        //PROFILE_MEM(EngineDelegate); // Include references tracking memory within Delegate memory
+        ScopeLock lock(_referencesLocker);
+        _references.Add(ref);
+    }
+}
+
+void Asset::RemoveReference()
+{
+    Platform::InterlockedDecrement(&_refCount);
+}
+
+void Asset::RemoveReference(IAssetReference* ref, bool week)
+{
+    if (ref)
+    {
+        ScopeLock lock(_referencesLocker);
+        _references.Remove(ref);
+    }
+    if (!week)
+        Platform::InterlockedDecrement(&_refCount);
+}
+
 String Asset::ToString() const
 {
     return String::Format(TEXT("{0}, {1}, {2}"), GetTypeName(), GetID(), GetPath());
@@ -232,7 +279,7 @@ void Asset::OnDeleteObject()
 
     const bool wasMarkedToDelete = _deleteFileOnUnload != 0;
 #if USE_EDITOR
-    const String path = wasMarkedToDelete ? GetPath() : String::Empty;
+    const String path = wasMarkedToDelete ? String(GetPath()) : String::Empty;
 #endif
     const Guid id = GetID();
 
@@ -354,6 +401,7 @@ uint64 Asset::GetMemoryUsage() const
     if (Platform::AtomicRead(&_loadingTask))
         result += sizeof(ContentLoadTask);
     result += (OnLoaded.Capacity() + OnReloading.Capacity() + OnUnloaded.Capacity()) * sizeof(EventType::FunctionType);
+    result += _references.Capacity() * sizeof(HashSet<IAssetReference*>::Bucket);
     Locker.Unlock();
     return result;
 }
@@ -444,6 +492,9 @@ bool Asset::WaitForLoaded(double timeoutInMilliseconds) const
     }
 
     PROFILE_CPU();
+    ZoneColor(TracyWaitZoneColor);
+    const StringView path(GetPath());
+    ZoneText(*path, path.Length());
 
     Content::WaitForTask(loadingTask, timeoutInMilliseconds);
 
@@ -528,6 +579,7 @@ ContentLoadTask* Asset::createLoadingTask()
 
 void Asset::startLoading()
 {
+    PROFILE_MEM(ContentAssets);
     ASSERT(!IsLoaded());
     ASSERT(Platform::AtomicRead(&_loadingTask) == 0);
     auto loadingTask = createLoadingTask();
@@ -627,6 +679,9 @@ void Asset::onLoaded_MainThread()
     ASSERT(IsInMainThread());
 
     // Send event
+    ScopeLock lock(_referencesLocker);
+    for (const auto& e : _references)
+        e.Item->OnAssetLoaded(this, this);
     OnLoaded(this);
 }
 
@@ -640,6 +695,9 @@ void Asset::onUnload_MainThread()
     CancelStreaming();
 
     // Send event
+    ScopeLock lock(_referencesLocker);
+    for (const auto& e : _references)
+        e.Item->OnAssetUnloaded(this, this);
     OnUnloaded(this);
 }
 

Source/Engine/Content/Asset.h

@@ -18,6 +18,20 @@
 	public: \
 	explicit type(const SpawnParams& params, const AssetInfo* info)
 
+// Utility interface for objects that reference asset and want to get notified about asset reference changes.
+class FLAXENGINE_API IAssetReference
+{
+public:
+    virtual ~IAssetReference() = default;
+
+    // Asset reference got changed.
+    virtual void OnAssetChanged(Asset* asset, void* caller) = 0;
+    // Asset got loaded.
+    virtual void OnAssetLoaded(Asset* asset, void* caller) = 0;
+    // Asset gets unloaded.
+    virtual void OnAssetUnloaded(Asset* asset, void* caller) = 0;
+};
+
 /// <summary>
 /// Asset objects base class.
 /// </summary>
@@ -48,6 +62,9 @@ protected:
     int8 _deleteFileOnUnload : 1; // Indicates that asset source file should be removed on asset unload
     int8 _isVirtual : 1; // Indicates that asset is pure virtual (generated or temporary, has no storage so won't be saved)
 
+    HashSet<IAssetReference*> _references;
+    CriticalSection _referencesLocker; // TODO: convert into a single interlocked exchange for the current thread owning lock
+
 public:
     /// <summary>
     /// Initializes a new instance of the <see cref="Asset"/> class.
@@ -88,24 +105,28 @@ public:
     /// <summary>
     /// Adds reference to that asset.
     /// </summary>
-    FORCE_INLINE void AddReference()
+    void AddReference();
-    {
+
-        Platform::InterlockedIncrement(&_refCount);
+    /// <summary>
-    }
+    /// Adds reference to that asset.
+    /// </summary>
+    void AddReference(IAssetReference* ref, bool week = false);
 
     /// <summary>
     /// Removes reference from that asset.
     /// </summary>
-    FORCE_INLINE void RemoveReference()
+    void RemoveReference();
-    {
+
-        Platform::InterlockedDecrement(&_refCount);
+    /// <summary>
-    }
+    /// Removes reference from that asset.
+    /// </summary>
+    void RemoveReference(IAssetReference* ref, bool week = false);
 
 public:
     /// <summary>
     /// Gets the path to the asset storage file. In Editor, it reflects the actual file, in cooked Game, it fakes the Editor path to be informative for developers.
     /// </summary>
-    API_PROPERTY() virtual const String& GetPath() const = 0;
+    API_PROPERTY() virtual StringView GetPath() const = 0;
 
     /// <summary>
     /// Gets the asset type name.

Source/Engine/Content/AssetReference.h

@@ -7,10 +7,11 @@
 /// <summary>
 /// Asset reference utility. Keeps reference to the linked asset object and handles load/unload events.
 /// </summary>
-class FLAXENGINE_API AssetReferenceBase
+class FLAXENGINE_API AssetReferenceBase : public IAssetReference
 {
 protected:
     Asset* _asset = nullptr;
+    IAssetReference* _owner = nullptr;
 
 public:
     /// <summary>
@@ -36,6 +37,12 @@ public:
     /// </summary>
     AssetReferenceBase() = default;
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AssetReferenceBase"/> class.
+    /// </summary>
+    /// <param name="owner">The reference owner to keep notified about asset changes.</param>
+    AssetReferenceBase(IAssetReference* owner);
+
     /// <summary>
     /// Finalizes an instance of the <see cref="AssetReferenceBase"/> class.
     /// </summary>
@@ -63,10 +70,14 @@ public:
     /// </summary>
     String ToString() const;
 
+public:
+    // [IAssetReference]
+    void OnAssetChanged(Asset* asset, void* caller) override;
+    void OnAssetLoaded(Asset* asset, void* caller) override;
+    void OnAssetUnloaded(Asset* asset, void* caller) override;
+
 protected:
     void OnSet(Asset* asset);
-    void OnLoaded(Asset* asset);
-    void OnUnloaded(Asset* asset);
 };
 
 /// <summary>
@@ -87,6 +98,13 @@ public:
     {
     }
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AssetReference"/> class.
+    /// </summary>
+    explicit AssetReference(decltype(__nullptr))
+    {
+    }
+
     /// <summary>
     /// Initializes a new instance of the <see cref="AssetReference"/> class.
     /// </summary>
@@ -96,6 +114,15 @@ public:
         OnSet((Asset*)asset);
     }
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AssetReference"/> class.
+    /// </summary>
+    /// <param name="owner">The reference owner to keep notified about asset changes.</param>
+    explicit AssetReference(IAssetReference* owner)
+        : AssetReferenceBase(owner)
+    {
+    }
+
     /// <summary>
     /// Initializes a new instance of the <see cref="AssetReference"/> class.
     /// </summary>

Source/Engine/Content/Assets/Animation.cpp

@@ -9,6 +9,7 @@
 #include "Engine/Animations/Animations.h"
 #include "Engine/Animations/SceneAnimations/SceneAnimation.h"
 #include "Engine/Scripting/Scripting.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Threading/Threading.h"
 #include "Engine/Serialization/MemoryReadStream.h"
 #if USE_EDITOR
@@ -598,7 +599,8 @@ void Animation::OnScriptingDispose()
 
 Asset::LoadResult Animation::load()
 {
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    PROFILE_MEM(AnimationsData);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
 
     // Get stream with animations data
     const auto dataChunk = GetChunk(0);
@@ -730,7 +732,7 @@ Asset::LoadResult Animation::load()
 
 void Animation::unload(bool isReloading)
 {
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
 #if USE_EDITOR
     if (_registeredForScriptingReload)
     {

Source/Engine/Content/Assets/AnimationGraph.cpp

@@ -9,6 +9,7 @@
 #include "Engine/Core/Types/DataContainer.h"
 #include "Engine/Serialization/MemoryReadStream.h"
 #include "Engine/Serialization/MemoryWriteStream.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Content/Factories/BinaryAssetFactory.h"
 #include "Engine/Animations/Animations.h"
 #include "Engine/Threading/Threading.h"
@@ -25,7 +26,8 @@ AnimationGraph::AnimationGraph(const SpawnParams& params, const AssetInfo* info)
 
 Asset::LoadResult AnimationGraph::load()
 {
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    PROFILE_MEM(AnimationsData);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
 
     // Get stream with graph data
     const auto surfaceChunk = GetChunk(0);
@@ -51,7 +53,7 @@ Asset::LoadResult AnimationGraph::load()
 
 void AnimationGraph::unload(bool isReloading)
 {
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
     Graph.Clear();
 }
 
@@ -83,7 +85,8 @@ bool AnimationGraph::InitAsAnimation(SkinnedModel* baseModel, Animation* anim, b
         Log::ArgumentNullException();
         return true;
     }
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    PROFILE_MEM(AnimationsData);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
 
     // Create Graph data
     MemoryWriteStream writeStream(512);
@@ -169,7 +172,7 @@ bool AnimationGraph::SaveSurface(const BytesContainer& data)
 {
     if (OnCheckSave())
         return true;
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
     ScopeLock lock(Locker);
 
     if (IsVirtual())

Source/Engine/Content/Assets/AnimationGraphFunction.cpp

@@ -8,6 +8,7 @@
 #include "Engine/Serialization/MemoryWriteStream.h"
 #endif
 #include "Engine/Animations/Animations.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Content/Factories/BinaryAssetFactory.h"
 #include "Engine/Threading/Threading.h"
 
@@ -20,7 +21,8 @@ AnimationGraphFunction::AnimationGraphFunction(const SpawnParams& params, const
 
 Asset::LoadResult AnimationGraphFunction::load()
 {
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    PROFILE_MEM(AnimationsData);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
 
     // Get graph data from chunk
     const auto surfaceChunk = GetChunk(0);
@@ -47,7 +49,7 @@ Asset::LoadResult AnimationGraphFunction::load()
 
 void AnimationGraphFunction::unload(bool isReloading)
 {
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
     GraphData.Release();
     Inputs.Clear();
     Outputs.Clear();
@@ -96,7 +98,7 @@ bool AnimationGraphFunction::SaveSurface(const BytesContainer& data) const
 {
     if (OnCheckSave())
         return true;
-    ConcurrentSystemLocker::WriteScope systemScope(Animations::SystemLocker);
+    ScopeWriteLock systemScope(Animations::SystemLocker);
     ScopeLock lock(Locker);
 
     // Set Visject Surface data

Source/Engine/Content/Assets/Material.cpp

@@ -165,9 +165,13 @@ Asset::LoadResult Material::load()
         MaterialGenerator generator;
         generator.Error.Bind(&OnGeneratorError);
         if (_shaderHeader.Material.GraphVersion != MATERIAL_GRAPH_VERSION)
+        {
             LOG(Info, "Converting material \'{0}\', from version {1} to {2}...", name, _shaderHeader.Material.GraphVersion, MATERIAL_GRAPH_VERSION);
+        }
         else
+        {
             LOG(Info, "Updating material \'{0}\'...", name);
+        }
 
         // Load or create material surface
         MaterialLayer* layer;
@@ -410,16 +414,18 @@ void Material::InitCompilationOptions(ShaderCompilationOptions& options)
     // Prepare
     auto& info = _shaderHeader.Material.Info;
     const bool isSurfaceOrTerrainOrDeformable = info.Domain == MaterialDomain::Surface || info.Domain == MaterialDomain::Terrain || info.Domain == MaterialDomain::Deformable;
+    const bool isOpaque = info.BlendMode == MaterialBlendMode::Opaque;
     const bool useCustomData = info.ShadingModel == MaterialShadingModel::Subsurface || info.ShadingModel == MaterialShadingModel::Foliage;
-    const bool useForward = ((info.Domain == MaterialDomain::Surface || info.Domain == MaterialDomain::Deformable) && info.BlendMode != MaterialBlendMode::Opaque) || info.Domain == MaterialDomain::Particle;
+    const bool useForward = ((info.Domain == MaterialDomain::Surface || info.Domain == MaterialDomain::Deformable) && !isOpaque) || info.Domain == MaterialDomain::Particle;
     const bool useTess =
             info.TessellationMode != TessellationMethod::None &&
             RenderTools::CanSupportTessellation(options.Profile) && isSurfaceOrTerrainOrDeformable;
     const bool useDistortion =
             (info.Domain == MaterialDomain::Surface || info.Domain == MaterialDomain::Deformable || info.Domain == MaterialDomain::Particle) &&
-            info.BlendMode != MaterialBlendMode::Opaque &&
+            !isOpaque &&
             EnumHasAnyFlags(info.UsageFlags, MaterialUsageFlags::UseRefraction) &&
             (info.FeaturesFlags & MaterialFeaturesFlags::DisableDistortion) == MaterialFeaturesFlags::None;
+    const MaterialShadingModel shadingModel = info.ShadingModel == MaterialShadingModel::CustomLit ? MaterialShadingModel::Unlit : info.ShadingModel;
 
     // @formatter:off
     static const char* Numbers[] =
@@ -431,7 +437,7 @@ void Material::InitCompilationOptions(ShaderCompilationOptions& options)
     // Setup shader macros
     options.Macros.Add({ "MATERIAL_DOMAIN", Numbers[(int32)info.Domain] });
     options.Macros.Add({ "MATERIAL_BLEND", Numbers[(int32)info.BlendMode] });
-    options.Macros.Add({ "MATERIAL_SHADING_MODEL", Numbers[(int32)info.ShadingModel] });
+    options.Macros.Add({ "MATERIAL_SHADING_MODEL", Numbers[(int32)shadingModel] });
     options.Macros.Add({ "MATERIAL_MASKED", Numbers[EnumHasAnyFlags(info.UsageFlags, MaterialUsageFlags::UseMask) ? 1 : 0] });
     options.Macros.Add({ "DECAL_BLEND_MODE", Numbers[(int32)info.DecalBlendingMode] });
     options.Macros.Add({ "USE_EMISSIVE", Numbers[EnumHasAnyFlags(info.UsageFlags, MaterialUsageFlags::UseEmissive) ? 1 : 0] });
@@ -488,7 +494,7 @@ void Material::InitCompilationOptions(ShaderCompilationOptions& options)
     options.Macros.Add({ "IS_PARTICLE", Numbers[info.Domain == MaterialDomain::Particle ? 1 : 0] });
     options.Macros.Add({ "IS_DEFORMABLE", Numbers[info.Domain == MaterialDomain::Deformable ? 1 : 0] });
     options.Macros.Add({ "USE_FORWARD", Numbers[useForward ? 1 : 0] });
-    options.Macros.Add({ "USE_DEFERRED", Numbers[isSurfaceOrTerrainOrDeformable && info.BlendMode == MaterialBlendMode::Opaque ? 1 : 0] });
+    options.Macros.Add({ "USE_DEFERRED", Numbers[isSurfaceOrTerrainOrDeformable && isOpaque ? 1 : 0] });
     options.Macros.Add({ "USE_DISTORTION", Numbers[useDistortion ? 1 : 0] });
 #endif
 }

Source/Engine/Content/Assets/Model.cpp

@@ -18,6 +18,7 @@
 #include "Engine/Graphics/Models/MeshDeformation.h"
 #include "Engine/Graphics/Textures/GPUTexture.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Renderer/DrawCall.h"
 #include "Engine/Threading/Threading.h"
 #include "Engine/Tools/ModelTool/ModelTool.h"
@@ -304,6 +305,7 @@ bool Model::Init(const Span<int32>& meshesCountPerLod)
         Log::ArgumentOutOfRangeException();
         return true;
     }
+    PROFILE_MEM(GraphicsMeshes);
 
     // Dispose previous data and disable streaming (will start data uploading tasks manually)
     StopStreaming();
@@ -343,6 +345,7 @@ bool Model::Init(const Span<int32>& meshesCountPerLod)
 
 bool Model::LoadHeader(ReadStream& stream, byte& headerVersion)
 {
+    PROFILE_MEM(GraphicsMeshes);
     if (ModelBase::LoadHeader(stream, headerVersion))
         return true;
     
@@ -509,6 +512,7 @@ bool Model::Save(bool withMeshDataFromGpu, Function<FlaxChunk*(int32)>& getChunk
 
 void Model::SetupMaterialSlots(int32 slotsCount)
 {
+    PROFILE_MEM(GraphicsMeshes);
     ModelBase::SetupMaterialSlots(slotsCount);
 
     // Adjust meshes indices for slots
@@ -584,6 +588,8 @@ int32 Model::GetAllocatedResidency() const
 
 Asset::LoadResult Model::load()
 {
+    PROFILE_MEM(GraphicsMeshes);
+
     // Get header chunk
     auto chunk0 = GetChunk(0);
     if (chunk0 == nullptr || chunk0->IsMissing())
@@ -613,7 +619,7 @@ Asset::LoadResult Model::load()
             {
                 String name;
 #if !BUILD_RELEASE
-                name = GetPath() + TEXT(".SDF");
+                name = String(GetPath()) + TEXT(".SDF");
 #endif
                 SDF.Texture = GPUDevice::Instance->CreateTexture(name);
             }

Source/Engine/Content/Assets/ModelBase.cpp

@@ -5,10 +5,12 @@
 #include "Engine/Core/Math/Transform.h"
 #include "Engine/Content/WeakAssetReference.h"
 #include "Engine/Serialization/MemoryReadStream.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Graphics/Config.h"
 #include "Engine/Graphics/Models/MeshBase.h"
 #include "Engine/Graphics/Models/MeshDeformation.h"
 #include "Engine/Graphics/Shaders/GPUVertexLayout.h"
+#include "Engine/Threading/Threading.h"
 #if GPU_ENABLE_ASYNC_RESOURCES_CREATION
 #include "Engine/Threading/ThreadPoolTask.h"
 #define STREAM_TASK_BASE ThreadPoolTask
@@ -51,6 +53,7 @@ public:
         AssetReference<ModelBase> model = _model.Get();
         if (model == nullptr)
             return true;
+        PROFILE_MEM(GraphicsMeshes);
 
         // Get data
         BytesContainer data;
@@ -334,6 +337,8 @@ bool ModelBase::LoadHeader(ReadStream& stream, byte& headerVersion)
 
 bool ModelBase::LoadMesh(MemoryReadStream& stream, byte meshVersion, MeshBase* mesh, MeshData* dataIfReadOnly)
 {
+    PROFILE_MEM(GraphicsMeshes);
+
     // Load descriptor
     static_assert(MODEL_MESH_VERSION == 2, "Update code");
     uint32 vertices, triangles;

Source/Engine/Content/Assets/Shader.cpp

@@ -4,6 +4,10 @@
 #include "Engine/Core/Log.h"
 #include "Engine/Graphics/GPUDevice.h"
 #include "Engine/Graphics/Shaders/GPUShader.h"
+#if GPU_ENABLE_RESOURCE_NAMING && !USE_EDITOR
+#include "Engine/Content/Content.h"
+#include "Engine/Content/Cache/AssetsCache.h"
+#endif
 #include "Engine/Content/Upgraders/ShaderAssetUpgrader.h"
 #include "Engine/Content/Factories/BinaryAssetFactory.h"
 #include "Engine/Serialization/MemoryReadStream.h"
@@ -14,7 +18,11 @@ Shader::Shader(const SpawnParams& params, const AssetInfo* info)
     : ShaderAssetTypeBase<BinaryAsset>(params, info)
 {
     ASSERT(GPUDevice::Instance);
-    _shader = GPUDevice::Instance->CreateShader(info->Path);
+    StringView name = info->Path;
+#if GPU_ENABLE_RESOURCE_NAMING && !USE_EDITOR
+    name = Content::GetRegistry()->GetEditorAssetPath(info->ID);
+#endif
+    _shader = GPUDevice::Instance->CreateShader(name);
     ASSERT(_shader);
     GPU = _shader;
 }

Source/Engine/Content/Assets/SkeletonMask.cpp

@@ -6,6 +6,7 @@
 #include "Engine/Serialization/MemoryWriteStream.h"
 #include "Engine/Content/Factories/BinaryAssetFactory.h"
 #include "Engine/Content/Upgraders/SkeletonMaskUpgrader.h"
+#include "Engine/Threading/Threading.h"
 
 REGISTER_BINARY_ASSET_WITH_UPGRADER(SkeletonMask, "FlaxEngine.SkeletonMask", SkeletonMaskUpgrader, true);
 

Source/Engine/Content/Assets/SkinnedModel.cpp

@@ -18,6 +18,7 @@
 #include "Engine/Content/Upgraders/SkinnedModelAssetUpgrader.h"
 #include "Engine/Debug/Exceptions/ArgumentOutOfRangeException.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Renderer/DrawCall.h"
 #if USE_EDITOR
 #include "Engine/Graphics/Models/ModelData.h"
@@ -458,6 +459,7 @@ bool SkinnedModel::Init(const Span<int32>& meshesCountPerLod)
         Log::ArgumentOutOfRangeException();
         return true;
     }
+    PROFILE_MEM(GraphicsMeshes);
 
     // Dispose previous data and disable streaming (will start data uploading tasks manually)
     StopStreaming();
@@ -501,6 +503,7 @@ void BlendShape::LoadHeader(ReadStream& stream, byte headerVersion)
 
 void BlendShape::Load(ReadStream& stream, byte meshVersion)
 {
+    PROFILE_MEM(GraphicsMeshes);
     UseNormals = stream.ReadBool();
     stream.ReadUint32(&MinVertexIndex);
     stream.ReadUint32(&MaxVertexIndex);
@@ -531,6 +534,7 @@ void BlendShape::Save(WriteStream& stream) const
 
 bool SkinnedModel::LoadMesh(MemoryReadStream& stream, byte meshVersion, MeshBase* mesh, MeshData* dataIfReadOnly)
 {
+    PROFILE_MEM(GraphicsMeshes);
     if (ModelBase::LoadMesh(stream, meshVersion, mesh, dataIfReadOnly))
         return true;
     static_assert(MODEL_MESH_VERSION == 2, "Update code");
@@ -560,6 +564,7 @@ bool SkinnedModel::LoadMesh(MemoryReadStream& stream, byte meshVersion, MeshBase
 
 bool SkinnedModel::LoadHeader(ReadStream& stream, byte& headerVersion)
 {
+    PROFILE_MEM(GraphicsMeshes);
     if (ModelBase::LoadHeader(stream, headerVersion))
         return true;
     static_assert(MODEL_HEADER_VERSION == 2, "Update code");
@@ -861,6 +866,7 @@ uint64 SkinnedModel::GetMemoryUsage() const
 
 void SkinnedModel::SetupMaterialSlots(int32 slotsCount)
 {
+    PROFILE_MEM(GraphicsMeshes);
     ModelBase::SetupMaterialSlots(slotsCount);
 
     // Adjust meshes indices for slots
@@ -954,6 +960,7 @@ Asset::LoadResult SkinnedModel::load()
     if (chunk0 == nullptr || chunk0->IsMissing())
         return LoadResult::MissingDataChunk;
     MemoryReadStream headerStream(chunk0->Get(), chunk0->Size());
+    PROFILE_MEM(GraphicsMeshes);
 
     // Load asset data (anything but mesh contents that use streaming)
     byte headerVersion;

Source/Engine/Content/Assets/VisualScript.cpp

@@ -18,6 +18,7 @@
 #include "Engine/Serialization/Serialization.h"
 #include "Engine/Serialization/JsonWriter.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Utilities/StringConverter.h"
 #include "Engine/Threading/MainThreadTask.h"
 #include "Engine/Level/SceneObject.h"
@@ -37,10 +38,12 @@ namespace
 
     void PrintStack(LogType type)
     {
+#if LOG_ENABLE
         const String stack = VisualScripting::GetStackTrace();
         Log::Logger::Write(type, TEXT("Visual Script stack trace:"));
         Log::Logger::Write(type, stack);
         Log::Logger::Write(type, TEXT(""));
+#endif
     }
 
     bool SerializeValue(const Variant& a, const Variant& b)
@@ -1340,6 +1343,8 @@ bool VisualScript::Save(const StringView& path)
 
 Asset::LoadResult VisualScript::load()
 {
+    PROFILE_MEM(ScriptingVisual);
+
     // Build Visual Script typename that is based on asset id
     String typeName = _id.ToString();
     StringUtils::ConvertUTF162ANSI(typeName.Get(), _typenameChars, 32);
@@ -1532,6 +1537,7 @@ Asset::LoadResult VisualScript::load()
 
 void VisualScript::unload(bool isReloading)
 {
+    PROFILE_MEM(ScriptingVisual);
 #if USE_EDITOR
     if (isReloading)
     {
@@ -1588,6 +1594,7 @@ AssetChunksFlag VisualScript::getChunksToPreload() const
 
 void VisualScript::CacheScriptingType()
 {
+    PROFILE_MEM(ScriptingVisual);
     ScopeLock lock(VisualScriptingBinaryModule::Locker);
     auto& binaryModule = VisualScriptingModule;
 
@@ -1723,6 +1730,7 @@ ScriptingObject* VisualScriptingBinaryModule::VisualScriptObjectSpawn(const Scri
     VisualScript* visualScript = VisualScriptingModule.Scripts[params.Type.TypeIndex];
 
     // Initialize instance data
+    PROFILE_MEM(ScriptingVisual);
     ScopeLock lock(visualScript->Locker);
     auto& instanceParams = visualScript->_instances[object->GetID()].Params;
     instanceParams.Resize(visualScript->Graph.Parameters.Count());
@@ -1747,6 +1755,8 @@ ScriptingObject* VisualScriptingBinaryModule::VisualScriptObjectSpawn(const Scri
 
 void VisualScriptingBinaryModule::OnScriptsReloading()
 {
+    PROFILE_MEM(ScriptingVisual);
+
     // Clear any cached types from that module across all loaded Visual Scripts
     for (auto& script : Scripts)
     {
@@ -1795,6 +1805,7 @@ void VisualScriptingBinaryModule::OnScriptsReloading()
 
 void VisualScriptingBinaryModule::OnEvent(ScriptingObject* object, Span<Variant> parameters, ScriptingTypeHandle eventType, StringView eventName)
 {
+    PROFILE_MEM(ScriptingVisual);
     if (object)
     {
         // Object event
@@ -1900,9 +1911,13 @@ bool VisualScriptingBinaryModule::InvokeMethod(void* method, const Variant& inst
         if (!instanceObject || instanceObject->GetTypeHandle() != vsMethod->Script->GetScriptingType())
         {
             if (!instanceObject)
+            {
                 LOG(Error, "Failed to call method '{0}.{1}' (args count: {2}) without object instance", String(vsMethod->Script->GetScriptTypeName()), String(vsMethod->Name), vsMethod->ParamNames.Count());
+            }
             else
+            {
                 LOG(Error, "Failed to call method '{0}.{1}' (args count: {2}) with invalid object instance of type '{3}'", String(vsMethod->Script->GetScriptTypeName()), String(vsMethod->Name), vsMethod->ParamNames.Count(), String(instanceObject->GetType().Fullname));
+            }
             return true;
         }
     }
@@ -1952,6 +1967,7 @@ bool VisualScriptingBinaryModule::GetFieldValue(void* field, const Variant& inst
 
 bool VisualScriptingBinaryModule::SetFieldValue(void* field, const Variant& instance, Variant& value)
 {
+    PROFILE_MEM(ScriptingVisual);
     const auto vsFiled = (VisualScript::Field*)field;
     const auto instanceObject = (ScriptingObject*)instance;
     if (!instanceObject)
@@ -2038,6 +2054,7 @@ void VisualScriptingBinaryModule::SerializeObject(JsonWriter& stream, ScriptingO
 
 void VisualScriptingBinaryModule::DeserializeObject(ISerializable::DeserializeStream& stream, ScriptingObject* object, ISerializeModifier* modifier)
 {
+    PROFILE_MEM(ScriptingVisual);
     ASSERT(stream.IsObject());
     Locker.Lock();
     const auto asset = Scripts[object->GetTypeHandle().TypeIndex].Get();
@@ -2161,6 +2178,7 @@ const Variant& VisualScript::GetScriptInstanceParameterValue(const StringView& n
 
 void VisualScript::SetScriptInstanceParameterValue(const StringView& name, ScriptingObject* instance, const Variant& value)
 {
+    PROFILE_MEM(ScriptingVisual);
     CHECK(instance);
     for (int32 paramIndex = 0; paramIndex < Graph.Parameters.Count(); paramIndex++)
     {
@@ -2182,6 +2200,7 @@ void VisualScript::SetScriptInstanceParameterValue(const StringView& name, Scrip
 
 void VisualScript::SetScriptInstanceParameterValue(const StringView& name, ScriptingObject* instance, Variant&& value)
 {
+    PROFILE_MEM(ScriptingVisual);
     CHECK(instance);
     for (int32 paramIndex = 0; paramIndex < Graph.Parameters.Count(); paramIndex++)
     {
@@ -2379,6 +2398,7 @@ VisualScriptingBinaryModule* VisualScripting::GetBinaryModule()
 
 Variant VisualScripting::Invoke(VisualScript::Method* method, ScriptingObject* instance, Span<Variant> parameters)
 {
+    PROFILE_MEM(ScriptingVisual);
     CHECK_RETURN(method && method->Script->IsLoaded(), Variant::Zero);
     PROFILE_CPU_SRC_LOC(method->ProfilerData);
 
@@ -2419,6 +2439,7 @@ bool VisualScripting::Evaluate(VisualScript* script, ScriptingObject* instance,
     const auto box = node->GetBox(boxId);
     if (!box)
         return false;
+    PROFILE_MEM(ScriptingVisual);
 
     // Add to the calling stack
     ScopeContext scope;

Source/Engine/Content/BinaryAsset.cpp

@@ -10,6 +10,7 @@
 #include "Engine/Serialization/JsonTools.h"
 #include "Engine/Debug/Exceptions/JsonParseException.h"
 #include "Engine/Threading/ThreadPoolTask.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #if USE_EDITOR
 #include "Engine/Platform/FileSystem.h"
 #include "Engine/Threading/Threading.h"
@@ -463,10 +464,10 @@ void BinaryAsset::OnDeleteObject()
 
 #endif
 
-const String& BinaryAsset::GetPath() const
+StringView BinaryAsset::GetPath() const
 {
 #if USE_EDITOR
-    return Storage ? Storage->GetPath() : String::Empty;
+    return Storage ? StringView(Storage->GetPath()) : StringView::Empty;
 #else
     // In build all assets are packed into packages so use ID for original path lookup
     return Content::GetRegistry()->GetEditorAssetPath(_id);
@@ -527,6 +528,7 @@ protected:
         auto storage = ref->Storage;
         auto factory = (BinaryAssetFactoryBase*)Content::GetAssetFactory(ref->GetTypeName());
         ASSERT(factory);
+        PROFILE_MEM(ContentAssets);
 
         // Here we should open storage and extract AssetInitData
         // This would also allow to convert/upgrade data

Source/Engine/Content/BinaryAsset.h

@@ -292,7 +292,7 @@ public:
 #if USE_EDITOR
     void OnDeleteObject() override;
 #endif
-    const String& GetPath() const final override;
+    StringView GetPath() const final override;
     uint64 GetMemoryUsage() const override;
 
 protected:

Source/Engine/Content/Cache/AssetsCache.cpp

@@ -10,15 +10,28 @@
 #include "Engine/Serialization/FileWriteStream.h"
 #include "Engine/Serialization/FileReadStream.h"
 #include "Engine/Content/Content.h"
-#include "Engine/Content/Storage/ContentStorageManager.h"
-#include "Engine/Content/Storage/JsonStorageProxy.h"
 #include "Engine/Profiler/ProfilerCPU.h"
-#include "Engine/Threading/Threading.h"
 #include "Engine/Engine/Globals.h"
 #include "FlaxEngine.Gen.h"
+#if ASSETS_CACHE_EDITABLE
+#include "Engine/Content/Storage/ContentStorageManager.h"
+#include "Engine/Content/Storage/JsonStorageProxy.h"
+#include "Engine/Threading/Threading.h"
+#define ASSETS_CACHE_LOCK() ScopeLock lock(_locker)
+#else
+#define ASSETS_CACHE_LOCK()
+#endif
+
+int32 AssetsCache::Size() const
+{
+    ASSETS_CACHE_LOCK();
+    const int32 result = _registry.Count();
+    return result;
+}
 
 void AssetsCache::Init()
 {
+    PROFILE_CPU();
     Entry e;
     int32 count;
     Stopwatch stopwatch;
@@ -71,7 +84,7 @@ void AssetsCache::Init()
         return;
     }
 
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
     _isDirty = false;
 
     // Load elements count
@@ -126,6 +139,16 @@ void AssetsCache::Init()
         _pathsMapping.Add(mappedPath, id);
     }
 
+#if !USE_EDITOR && !BUILD_RELEASE
+    // Build inverse path mapping in development builds for faster GetEditorAssetPath (eg. used by PROFILE_CPU_ASSET)
+    _pathsMappingInv.Clear();
+    _pathsMappingInv.EnsureCapacity(count);
+    for (auto& mapping : _pathsMapping)
+    {
+        _pathsMappingInv.Add(mapping.Value, StringView(mapping.Key));
+    }
+#endif
+
     // Check errors
     const bool hasError = stream->HasError();
     deleteStream.Delete();
@@ -153,7 +176,7 @@ bool AssetsCache::Save()
     if (!_isDirty && FileSystem::FileExists(_path))
         return false;
 
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
 
     if (Save(_path, _registry, _pathsMapping))
         return true;
@@ -222,12 +245,16 @@ bool AssetsCache::Save(const StringView& path, const Registry& entries, const Pa
     return false;
 }
 
-const String& AssetsCache::GetEditorAssetPath(const Guid& id) const
+StringView AssetsCache::GetEditorAssetPath(const Guid& id) const
 {
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
 #if USE_EDITOR
     auto e = _registry.TryGet(id);
     return e ? e->Info.Path : String::Empty;
+#elif !BUILD_RELEASE
+    StringView result;
+    _pathsMappingInv.TryGet(id, result);
+    return result;
 #else
     for (auto& e : _pathsMapping)
     {
@@ -241,10 +268,8 @@ const String& AssetsCache::GetEditorAssetPath(const Guid& id) const
 bool AssetsCache::FindAsset(const StringView& path, AssetInfo& info)
 {
     PROFILE_CPU();
-
     bool result = false;
-
+    ASSETS_CACHE_LOCK();
-    ScopeLock lock(_locker);
 
     // Check if asset has direct mapping to id (used for some cooked assets)
     Guid id;
@@ -293,7 +318,7 @@ bool AssetsCache::FindAsset(const Guid& id, AssetInfo& info)
 {
     PROFILE_CPU();
     bool result = false;
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
     auto e = _registry.TryGet(id);
     if (e != nullptr)
     {
@@ -315,14 +340,14 @@ bool AssetsCache::FindAsset(const Guid& id, AssetInfo& info)
 void AssetsCache::GetAll(Array<Guid>& result) const
 {
     PROFILE_CPU();
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
     _registry.GetKeys(result);
 }
 
 void AssetsCache::GetAllByTypeName(const StringView& typeName, Array<Guid>& result) const
 {
     PROFILE_CPU();
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
     for (auto i = _registry.Begin(); i.IsNotEnd(); ++i)
     {
         if (i->Value.Info.TypeName == typeName)
@@ -330,6 +355,8 @@ void AssetsCache::GetAllByTypeName(const StringView& typeName, Array<Guid>& resu
     }
 }
 
+#if ASSETS_CACHE_EDITABLE
+
 void AssetsCache::RegisterAssets(FlaxStorage* storage)
 {
     PROFILE_CPU();
@@ -341,7 +368,7 @@ void AssetsCache::RegisterAssets(FlaxStorage* storage)
     storage->GetEntries(entries);
     ASSERT(entries.HasItems());
 
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
     auto storagePath = storage->GetPath();
 
     // Remove all old entries from that location
@@ -439,7 +466,7 @@ void AssetsCache::RegisterAssets(const FlaxStorageReference& storage)
 void AssetsCache::RegisterAsset(const Guid& id, const String& typeName, const StringView& path)
 {
     PROFILE_CPU();
-    ScopeLock lock(_locker);
+    ASSETS_CACHE_LOCK();
 
     // Check if asset has been already added to the registry
     bool isMissing = true;
@@ -491,8 +518,7 @@ void AssetsCache::RegisterAsset(const Guid& id, const String& typeName, const St
 bool AssetsCache::DeleteAsset(const StringView& path, AssetInfo* info)
 {
     bool result = false;
-    _locker.Lock();
+    ASSETS_CACHE_LOCK();
-
     for (auto i = _registry.Begin(); i.IsNotEnd(); ++i)
     {
         if (i->Value.Info.Path == path)
@@ -505,16 +531,13 @@ bool AssetsCache::DeleteAsset(const StringView& path, AssetInfo* info)
             break;
         }
     }
-
-    _locker.Unlock();
     return result;
 }
 
 bool AssetsCache::DeleteAsset(const Guid& id, AssetInfo* info)
 {
     bool result = false;
-    _locker.Lock();
+    ASSETS_CACHE_LOCK();
-
     const auto e = _registry.TryGet(id);
     if (e != nullptr)
     {
@@ -524,16 +547,13 @@ bool AssetsCache::DeleteAsset(const Guid& id, AssetInfo* info)
         _isDirty = true;
         result = true;
     }
-
-    _locker.Unlock();
     return result;
 }
 
 bool AssetsCache::RenameAsset(const StringView& oldPath, const StringView& newPath)
 {
     bool result = false;
-    _locker.Lock();
+    ASSETS_CACHE_LOCK();
-
     for (auto i = _registry.Begin(); i.IsNotEnd(); ++i)
     {
         if (i->Value.Info.Path == oldPath)
@@ -544,11 +564,11 @@ bool AssetsCache::RenameAsset(const StringView& oldPath, const StringView& newPa
             break;
         }
     }
-
-    _locker.Unlock();
     return result;
 }
 
+#endif
+
 bool AssetsCache::IsEntryValid(Entry& e)
 {
 #if ENABLE_ASSETS_DISCOVERY

Source/Engine/Content/Cache/AssetsCache.h

@@ -16,6 +16,9 @@ struct AssetHeader;
 struct FlaxStorageReference;
 class FlaxStorage;
 
+// In cooked game all assets are there and all access to registry is read-only so can be multithreaded
+#define ASSETS_CACHE_EDITABLE (USE_EDITOR)
+
 /// <summary>
 /// Assets cache flags.
 /// </summary>
@@ -75,22 +78,21 @@ public:
 
 private:
     bool _isDirty = false;
+#if ASSETS_CACHE_EDITABLE
     CriticalSection _locker;
+#endif
     Registry _registry;
     PathsMapping _pathsMapping;
+#if !USE_EDITOR && !BUILD_RELEASE
+    Dictionary<Guid, StringView> _pathsMappingInv;
+#endif
     String _path;
 
 public:
     /// <summary>
     /// Gets amount of registered assets.
     /// </summary>
-    int32 Size() const
+    int32 Size() const;
-    {
-        _locker.Lock();
-        const int32 result = _registry.Count();
-        _locker.Unlock();
-        return result;
-    }
 
 public:
     /// <summary>
@@ -116,11 +118,11 @@ public:
 
 public:
     /// <summary>
-    /// Finds the asset path by id. In editor it returns the actual asset path, at runtime it returns the mapped asset path.
+    /// Finds the asset path by id. In editor, it returns the actual asset path, at runtime it returns the mapped asset path.
     /// </summary>
     /// <param name="id">The asset id.</param>
     /// <returns>The asset path, or empty if failed to find.</returns>
-    const String& GetEditorAssetPath(const Guid& id) const;
+    StringView GetEditorAssetPath(const Guid& id) const;
 
     /// <summary>
     /// Finds the asset info by path.
@@ -173,6 +175,7 @@ public:
     /// <param name="result">The result array.</param>
     void GetAllByTypeName(const StringView& typeName, Array<Guid, HeapAllocation>& result) const;
 
+#if ASSETS_CACHE_EDITABLE
     /// <summary>
     /// Register assets in the cache
     /// </summary>
@@ -223,6 +226,7 @@ public:
     /// <param name="newPath">New path</param>
     /// <returns>True if has been deleted, otherwise false</returns>
     bool RenameAsset(const StringView& oldPath, const StringView& newPath);
+#endif
 
     /// <summary>
     /// Determines whether cached asset entry is valid.

Source/Engine/Content/Config.h

@@ -4,8 +4,13 @@
 
 #include "Engine/Core/Config.h"
 
-// Amount of content loading threads per single physical CPU core
+// Amount of content loading threads per single logical CPU core
+#ifndef LOADING_THREAD_PER_LOGICAL_CORE
 #define LOADING_THREAD_PER_LOGICAL_CORE 0.5f
+#endif
+
+// Enables pinning loading threads to the logical CPU cores with affinity mask
+//#define LOADING_THREAD_AFFINITY_MASK(thread) (1 << (thread + 1))
 
 // Enables additional assets metadata verification
 #define ASSETS_LOADING_EXTRA_VERIFICATION (BUILD_DEBUG || USE_EDITOR)

Source/Engine/Content/Content.cpp

@@ -28,6 +28,7 @@
 #include "Engine/Engine/Globals.h"
 #include "Engine/Level/Types.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Scripting/ManagedCLR/MClass.h"
 #include "Engine/Scripting/Scripting.h"
 #if USE_EDITOR
@@ -117,6 +118,8 @@ ContentService ContentServiceInstance;
 
 bool ContentService::Init()
 {
+    PROFILE_MEM(Content);
+
     // Load assets registry
     Cache.Init();
 
@@ -126,17 +129,17 @@ bool ContentService::Init()
     LOG(Info, "Creating {0} content loading threads...", count);
     MainLoadThread = New<LoadingThread>();
     ThisLoadThread = MainLoadThread;
-    LoadThreads.EnsureCapacity(count);
+    LoadThreads.Resize(count);
     for (int32 i = 0; i < count; i++)
     {
         auto thread = New<LoadingThread>();
+        LoadThreads[i] = thread;
         if (thread->Start(String::Format(TEXT("Load Thread {0}"), i)))
         {
             LOG(Fatal, "Cannot spawn content thread {0}/{1}", i, count);
             Delete(thread);
             return true;
         }
-        LoadThreads.Add(thread);
     }
 
     return false;
@@ -159,6 +162,7 @@ void ContentService::Update()
 void ContentService::LateUpdate()
 {
     PROFILE_CPU();
+    PROFILE_MEM(Content);
 
     // Check if need to perform an update of unloading assets
     const TimeSpan timeNow = Time::Update.UnscaledTime;
@@ -324,6 +328,7 @@ String LoadingThread::ToString() const
 
 int32 LoadingThread::Run()
 {
+    PROFILE_MEM(Content);
 #if USE_EDITOR && PLATFORM_WINDOWS
     // Initialize COM
     // TODO: maybe add sth to Thread::Create to indicate that thread will use COM stuff
@@ -334,6 +339,9 @@ int32 LoadingThread::Run()
         return -1;
     }
 #endif
+#ifdef LOADING_THREAD_AFFINITY_MASK
+    Platform::SetThreadAffinityMask(LOADING_THREAD_AFFINITY_MASK(LoadThreads.Find(this)));
+#endif
 
     ContentLoadTask* task;
     ThisLoadThread = this;
@@ -416,6 +424,7 @@ bool Content::GetAssetInfo(const Guid& id, AssetInfo& info)
     if (Cache.FindAsset(id, info))
         return true;
     PROFILE_CPU();
+    PROFILE_MEM(Content);
 
     // Locking injects some stalls but we need to make it safe (only one thread can pass though it at once)
     ScopeLock lock(WorkspaceDiscoveryLocker);
@@ -465,6 +474,7 @@ bool Content::GetAssetInfo(const StringView& path, AssetInfo& info)
     if (!FileSystem::FileExists(path))
         return false;
     PROFILE_CPU();
+    PROFILE_MEM(Content);
 
     const auto extension = FileSystem::GetExtension(path).ToLower();
 
@@ -511,7 +521,7 @@ bool Content::GetAssetInfo(const StringView& path, AssetInfo& info)
 #endif
 }
 
-String Content::GetEditorAssetPath(const Guid& id)
+StringView Content::GetEditorAssetPath(const Guid& id)
 {
     return Cache.GetEditorAssetPath(id);
 }
@@ -593,6 +603,7 @@ Asset* Content::LoadAsyncInternal(const StringView& internalPath, const MClass*
 
 Asset* Content::LoadAsyncInternal(const StringView& internalPath, const ScriptingTypeHandle& type)
 {
+    PROFILE_MEM(Content);
 #if USE_EDITOR
     const String path = Globals::EngineContentFolder / internalPath + ASSET_FILES_EXTENSION_WITH_DOT;
     if (!FileSystem::FileExists(path))
@@ -635,6 +646,8 @@ Asset* Content::LoadAsync(const StringView& path, const MClass* type)
 
 Asset* Content::LoadAsync(const StringView& path, const ScriptingTypeHandle& type)
 {
+    PROFILE_MEM(Content);
+
     // Ensure path is in a valid format
     String pathNorm(path);
     ContentStorageManager::FormatPath(pathNorm);
@@ -687,7 +700,6 @@ Asset* Content::GetAsset(const StringView& outputPath)
 {
     if (outputPath.IsEmpty())
         return nullptr;
-
     ScopeLock lock(AssetsLocker);
     for (auto i = Assets.Begin(); i.IsNotEnd(); ++i)
     {
@@ -737,6 +749,7 @@ void Content::DeleteAsset(const StringView& path)
         return;
     }
 
+#if USE_EDITOR
     ScopeLock locker(AssetsLocker);
 
     // Remove from registry
@@ -753,6 +766,7 @@ void Content::DeleteAsset(const StringView& path)
 
     // Delete file
     deleteFileSafety(path, info.ID);
+#endif
 }
 
 void Content::deleteFileSafety(const StringView& path, const Guid& id)
@@ -791,6 +805,23 @@ void Content::deleteFileSafety(const StringView& path, const Guid& id)
 #endif
 }
 
+#if !COMPILE_WITHOUT_CSHARP
+
+#include "Engine/Scripting/ManagedCLR/MUtils.h"
+
+void* Content::GetAssetsInternal()
+{
+    AssetsLocker.Lock();
+    MArray* result = MCore::Array::New(Asset::TypeInitializer.GetClass(), Assets.Count());
+    int32 i = 0;
+    for (const auto& e : Assets)
+        MCore::GC::WriteArrayRef(result, e.Value->GetOrCreateManagedInstance(), i++);
+    AssetsLocker.Unlock();
+    return result;
+}
+
+#endif
+
 #if USE_EDITOR
 
 bool Content::RenameAsset(const StringView& oldPath, const StringView& newPath)
@@ -977,7 +1008,7 @@ bool Content::CloneAssetFile(const StringView& dstPath, const StringView& srcPat
             FileSystem::DeleteFile(tmpPath);
 
             // Reload storage
-            if (auto storage = ContentStorageManager::GetStorage(dstPath))
+            if (auto storage = ContentStorageManager::GetStorage(dstPath, false))
             {
                 storage->Reload();
             }
@@ -1023,6 +1054,7 @@ Asset* Content::CreateVirtualAsset(const MClass* type)
 Asset* Content::CreateVirtualAsset(const ScriptingTypeHandle& type)
 {
     PROFILE_CPU();
+    PROFILE_MEM(Content);
     auto& assetType = type.GetType();
 
     // Init mock asset info
@@ -1045,7 +1077,9 @@ Asset* Content::CreateVirtualAsset(const ScriptingTypeHandle& type)
     }
 
     // Create asset object
+    PROFILE_MEM_BEGIN(ContentAssets);
     auto asset = factory->NewVirtual(info);
+    PROFILE_MEM_END();
     if (asset == nullptr)
     {
         LOG(Error, "Cannot create virtual asset object.");
@@ -1054,7 +1088,9 @@ Asset* Content::CreateVirtualAsset(const ScriptingTypeHandle& type)
     asset->RegisterObject();
 
     // Call initializer function
+    PROFILE_MEM_BEGIN(ContentAssets);
     asset->InitAsVirtual();
+    PROFILE_MEM_END();
 
     // Register asset
     AssetsLocker.Lock();
@@ -1076,11 +1112,21 @@ void Content::WaitForTask(ContentLoadTask* loadingTask, double timeoutInMillisec
 
         const double timeoutInSeconds = timeoutInMilliseconds * 0.001;
         const double startTime = Platform::GetTimeSeconds();
+        int32 loopCounter = 0;
         Task* task = loadingTask;
         Array<ContentLoadTask*, InlinedAllocation<64>> localQueue;
 #define CHECK_CONDITIONS() (!Engine::ShouldExit() && (timeoutInSeconds <= 0.0 || Platform::GetTimeSeconds() - startTime < timeoutInSeconds))
         do
         {
+            // Give opportunity for other threads to use the current core
+            if (loopCounter == 0)
+                ; // First run is fast
+            else if (loopCounter < 10)
+                Platform::Yield();
+            else
+                Platform::Sleep(1);
+            loopCounter++;
+
             // Try to execute content tasks
             while (task->IsQueued() && CHECK_CONDITIONS())
             {
@@ -1097,6 +1143,8 @@ void Content::WaitForTask(ContentLoadTask* loadingTask, double timeoutInMillisec
                             localQueue.Clear();
                         }
 
+                        PROFILE_CPU_NAMED("Inline");
+                        ZoneColor(0xffaaaaaa);
                         thread->Run(tmp);
                     }
                     else
@@ -1209,6 +1257,7 @@ Asset* Content::LoadAsync(const Guid& id, const ScriptingTypeHandle& type)
 {
     if (!id.IsValid())
         return nullptr;
+    PROFILE_MEM(Content);
 
     // Check if asset has been already loaded
     Asset* result = nullptr;
@@ -1277,7 +1326,9 @@ Asset* Content::LoadAsync(const Guid& id, const ScriptingTypeHandle& type)
     }
 
     // Create asset object
+    PROFILE_MEM_BEGIN(ContentAssets);
     result = factory->New(assetInfo);
+    PROFILE_MEM_END();
     if (result == nullptr)
     {
         LOG(Error, "Cannot create asset object. Info: {0}", assetInfo.ToString());

Source/Engine/Content/Content.cs

@@ -1,5 +1,6 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
+using FlaxEngine.Interop;
 using System;
 using System.Runtime.CompilerServices;
 
@@ -7,6 +8,33 @@ namespace FlaxEngine
 {
     partial class Content
     {
+        /// <summary>
+        /// Gets the assets (loaded or during load).
+        /// </summary>
+        public static Asset[] Assets
+        {
+            get
+            {
+                IntPtr ptr = Internal_GetAssetsInternal();
+                ManagedArray array = Unsafe.As<ManagedArray>(ManagedHandle.FromIntPtr(ptr).Target);
+                return NativeInterop.GCHandleArrayToManagedArray<Asset>(array);
+            }
+        }
+
+        /// <summary>
+        /// Gets the assets (loaded or during load).
+        /// </summary>
+        /// <param name="buffer">Output buffer to fill with asset pointers. Can be provided by a user to avoid memory allocation. Buffer might be larger than actual list size. Use <paramref name="count"/> for actual item count.></param>
+        /// <param name="count">Amount of valid items inside <paramref name="buffer"/>.</param>
+        public static void GetAssets(ref Asset[] buffer, out int count)
+        {
+            count = 0;
+            IntPtr ptr = Internal_GetAssetsInternal();
+            ManagedArray array = Unsafe.As<ManagedArray>(ManagedHandle.FromIntPtr(ptr).Target);
+            buffer = NativeInterop.GCHandleArrayToManagedArray<Asset>(array, buffer);
+            count = buffer.Length;
+        }
+
         /// <summary>
         /// Loads asset to the Content Pool and holds it until it won't be referenced by any object. Returns null if asset is missing. Actual asset data loading is performed on a other thread in async.
         /// </summary>

Source/Engine/Content/Content.h

@@ -75,7 +75,7 @@ public:
     /// </summary>
     /// <param name="id">The asset id.</param>
     /// <returns>The asset path, or empty if failed to find.</returns>
-    API_FUNCTION() static String GetEditorAssetPath(const Guid& id);
+    API_FUNCTION() static StringView GetEditorAssetPath(const Guid& id);
 
     /// <summary>
     /// Finds all the asset IDs. Uses asset registry.
@@ -122,7 +122,7 @@ public:
     /// Gets the assets (loaded or during load).
     /// </summary>
     /// <returns>The collection of assets.</returns>
-    API_PROPERTY() static Array<Asset*, HeapAllocation> GetAssets();
+    static Array<Asset*, HeapAllocation> GetAssets();
 
     /// <summary>
     /// Gets the raw dictionary of assets (loaded or during load).
@@ -368,4 +368,9 @@ private:
     static void onAssetUnload(Asset* asset);
     static void onAssetChangeId(Asset* asset, const Guid& oldId, const Guid& newId);
     static void deleteFileSafety(const StringView& path, const Guid& id);
+
+    // Internal bindings
+#if !COMPILE_WITHOUT_CSHARP
+    API_FUNCTION(NoProxy) static void* GetAssetsInternal();
+#endif
 };

Source/Engine/Content/JsonAsset.cpp

@@ -20,6 +20,7 @@
 #include "Engine/Core/Cache.h"
 #include "Engine/Debug/Exceptions/JsonParseException.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Scripting/Scripting.h"
 #include "Engine/Scripting/ManagedCLR/MClass.h"
 #include "Engine/Scripting/ManagedCLR/MField.h"
@@ -39,6 +40,7 @@ String JsonAssetBase::GetData() const
     if (Data == nullptr)
         return String::Empty;
     PROFILE_CPU_NAMED("JsonAsset.GetData");
+    PROFILE_MEM(ContentAssets);
     rapidjson_flax::StringBuffer buffer;
     OnGetData(buffer);
     return String((const char*)buffer.GetString(), (int32)buffer.GetSize());
@@ -49,6 +51,7 @@ void JsonAssetBase::SetData(const StringView& value)
     if (!IsLoaded())
         return;
     PROFILE_CPU_NAMED("JsonAsset.SetData");
+    PROFILE_MEM(ContentAssets);
     const StringAnsi dataJson(value);
     ScopeLock lock(Locker);
     const StringView dataTypeName = DataTypeName;
@@ -60,6 +63,7 @@ void JsonAssetBase::SetData(const StringView& value)
 
 bool JsonAssetBase::Init(const StringView& dataTypeName, const StringAnsiView& dataJson)
 {
+    PROFILE_MEM(ContentAssets);
     unload(true);
     DataTypeName = dataTypeName;
     DataEngineBuild = FLAXENGINE_VERSION_BUILD;
@@ -87,7 +91,7 @@ void JsonAssetBase::OnGetData(rapidjson_flax::StringBuffer& buffer) const
     Data->Accept(writerObj.GetWriter());
 }
 
-const String& JsonAssetBase::GetPath() const
+StringView JsonAssetBase::GetPath() const
 {
 #if USE_EDITOR
     return _path;
@@ -176,7 +180,7 @@ bool JsonAssetBase::Save(const StringView& path)
     _isResaving = false;
 
     // Save json to file
-    if (File::WriteAllBytes(path.HasChars() ? path : StringView(GetPath()), (byte*)buffer.GetString(), (int32)buffer.GetSize()))
+    if (File::WriteAllBytes(path.HasChars() ? path : GetPath(), (byte*)buffer.GetString(), (int32)buffer.GetSize()))
     {
         LOG(Error, "Cannot save \'{0}\'", ToString());
         return true;
@@ -239,6 +243,7 @@ Asset::LoadResult JsonAssetBase::loadAsset()
 {
     if (IsVirtual() || _isVirtualDocument)
         return LoadResult::Ok;
+    PROFILE_MEM(ContentAssets);
 
     // Load data (raw json file in editor, cooked asset in build game)
 #if USE_EDITOR
@@ -305,6 +310,7 @@ Asset::LoadResult JsonAssetBase::loadAsset()
 
 void JsonAssetBase::unload(bool isReloading)
 {
+    PROFILE_MEM(ContentAssets);
     ISerializable::SerializeDocument tmp;
     Document.Swap(tmp);
     Data = nullptr;
@@ -453,6 +459,7 @@ bool JsonAsset::CreateInstance()
     ScopeLock lock(Locker);
     if (Instance)
         return false;
+    PROFILE_MEM(ContentAssets);
 
     // Try to scripting type for this data
     const StringAsANSI<> dataTypeNameAnsi(DataTypeName.Get(), DataTypeName.Length());

Source/Engine/Content/JsonAsset.h

@@ -88,7 +88,7 @@ protected:
 
 public:
     // [Asset]
-    const String& GetPath() const override;
+    StringView GetPath() const override;
     uint64 GetMemoryUsage() const override;
 #if USE_EDITOR
     void GetReferences(Array<Guid, HeapAllocation>& assets, Array<String, HeapAllocation>& files) const override;

Source/Engine/Content/JsonAssetReference.h

@@ -19,6 +19,15 @@ API_STRUCT(NoDefault, Template, MarshalAs=JsonAsset*) struct JsonAssetReference
         OnSet(asset);
     }
 
+    explicit JsonAssetReference(decltype(__nullptr))
+    {
+    }
+
+    explicit JsonAssetReference(IAssetReference* owner)
+        : AssetReference<JsonAsset>(owner)
+    {
+    }
+
     /// <summary>
     /// Gets the deserialized native object instance of the given type. Returns null if asset is not loaded or loaded object has different type.
     /// </summary>

Source/Engine/Content/Loading/Tasks/LoadAssetDataTask.h

@@ -36,7 +36,7 @@ public:
     // [ContentLoadTask]
     String ToString() const override
     {
-        return String::Format(TEXT("Load Asset Data Task ({}, {}, {})"), (int32)GetState(), _chunks, _asset ? _asset->GetPath() : String::Empty);
+        return String::Format(TEXT("Load Asset Data Task ({}, {}, {})"), (int32)GetState(), _chunks, _asset ? _asset->GetPath() : StringView::Empty);
     }
     bool HasReference(Object* obj) const override
     {

Source/Engine/Content/Loading/Tasks/LoadAssetTask.h

@@ -8,6 +8,7 @@
 #include "Engine/Content/WeakAssetReference.h"
 #include "Engine/Core/Log.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 
 /// <summary>
 /// Asset loading task object.
@@ -44,6 +45,7 @@ protected:
     Result run() override
     {
         PROFILE_CPU();
+        PROFILE_MEM(ContentAssets);
 
         // Keep valid ref to the asset
         AssetReference<::Asset> ref = Asset.Get();

Source/Engine/Content/SoftAssetReference.h

@@ -7,7 +7,7 @@
 /// <summary>
 /// The asset soft reference. Asset gets referenced (loaded) on actual use (ID reference is resolving it).
 /// </summary>
-class FLAXENGINE_API SoftAssetReferenceBase
+class FLAXENGINE_API SoftAssetReferenceBase : public IAssetReference
 {
 protected:
     Asset* _asset = nullptr;
@@ -46,11 +46,16 @@ public:
     /// </summary>
     String ToString() const;
 
+public:
+    // [IAssetReference]
+    void OnAssetChanged(Asset* asset, void* caller) override;
+    void OnAssetLoaded(Asset* asset, void* caller) override;
+    void OnAssetUnloaded(Asset* asset, void* caller) override;
+
 protected:
     void OnSet(Asset* asset);
     void OnSet(const Guid& id);
     void OnResolve(const ScriptingTypeHandle& type);
-    void OnUnloaded(Asset* asset);
 };
 
 /// <summary>
@@ -71,6 +76,13 @@ public:
     {
     }
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SoftAssetReference"/> class.
+    /// </summary>
+    explicit SoftAssetReference(decltype(__nullptr))
+    {
+    }
+
     /// <summary>
     /// Initializes a new instance of the <see cref="SoftAssetReference"/> class.
     /// </summary>

Source/Engine/Content/Storage/ContentStorageManager.cpp

@@ -15,14 +15,9 @@
 namespace
 {
     CriticalSection Locker;
-#if USE_EDITOR
-    Array<FlaxFile*> Files(1024);
-    Array<FlaxPackage*> Packages;
-#else
     Array<FlaxFile*> Files;
-    Array<FlaxPackage*> Packages(64);
+    Array<FlaxPackage*> Packages;
-#endif
+    Dictionary<String, FlaxStorage*> StorageMap;
-    Dictionary<String, FlaxStorage*> StorageMap(2048);
 }
 
 class ContentStorageService : public EngineService
@@ -231,6 +226,12 @@ void ContentStorageManager::GetStorage(Array<FlaxStorage*>& result)
 
 bool ContentStorageService::Init()
 {
+#if USE_EDITOR
+    Files.EnsureCapacity(1024);
+#else
+    Packages.EnsureCapacity(64);
+#endif
+    StorageMap.EnsureCapacity(2048);
     System = New<ContentStorageSystem>();
     Engine::UpdateGraph->AddSystem(System);
     return false;

Source/Engine/Content/Storage/FlaxChunk.h

@@ -182,10 +182,5 @@ public:
     /// Clones this chunk data (doesn't copy location in file).
     /// </summary>
     /// <returns>The cloned chunk.</returns>
-    FlaxChunk* Clone() const
+    FlaxChunk* Clone() const;
-    {
-        auto chunk = New<FlaxChunk>();
-        chunk->Data.Copy(Data);
-        return chunk;
-    }
 };

Source/Engine/Content/Storage/FlaxStorage.cpp

@@ -8,6 +8,7 @@
 #include "Engine/Core/Types/TimeSpan.h"
 #include "Engine/Platform/File.h"
 #include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Serialization/FileWriteStream.h"
 #include "Engine/Content/Asset.h"
 #include "Engine/Content/Content.h"
@@ -63,6 +64,14 @@ void FlaxChunk::RegisterUsage()
     LastAccessTime = Platform::GetTimeSeconds();
 }
 
+FlaxChunk* FlaxChunk::Clone() const
+{
+    PROFILE_MEM(ContentFiles);
+    auto chunk = New<FlaxChunk>();
+    chunk->Data.Copy(Data);
+    return chunk;
+}
+
 const int32 FlaxStorage::MagicCode = 1180124739;
 
 FlaxStorage::LockData FlaxStorage::LockData::Invalid(nullptr);
@@ -281,19 +290,12 @@ uint32 FlaxStorage::GetMemoryUsage() const
 
 bool FlaxStorage::Load()
 {
-    // Check if was already loaded
     if (IsLoaded())
-    {
         return false;
-    }
+    PROFILE_MEM(ContentFiles);
-
-    // Prevent loading by more than one thread
     ScopeLock lock(_loadLocker);
     if (IsLoaded())
-    {
-        // Other thread loaded it
         return false;
-    }
     ASSERT(GetEntriesCount() == 0);
 
     // Open file
@@ -693,6 +695,7 @@ bool FlaxStorage::LoadAssetHeader(const Guid& id, AssetInitData& data)
 
 bool FlaxStorage::LoadAssetChunk(FlaxChunk* chunk)
 {
+    PROFILE_MEM(ContentFiles);
     ASSERT(IsLoaded());
     ASSERT(chunk != nullptr && _chunks.Contains(chunk));
 
@@ -866,6 +869,7 @@ FlaxChunk* FlaxStorage::AllocateChunk()
 {
     if (AllowDataModifications())
     {
+        PROFILE_MEM(ContentFiles);
         auto chunk = New<FlaxChunk>();
         _chunks.Add(chunk);
         return chunk;
@@ -1125,6 +1129,7 @@ bool FlaxStorage::Save(const AssetInitData& data, bool silentMode)
 
 bool FlaxStorage::LoadAssetHeader(const Entry& e, AssetInitData& data)
 {
+    PROFILE_MEM(ContentFiles);
     ASSERT(IsLoaded());
 
     auto lock = Lock();
@@ -1396,6 +1401,8 @@ FileReadStream* FlaxStorage::OpenFile()
     auto& stream = _file.Get();
     if (stream == nullptr)
     {
+        PROFILE_MEM(ContentFiles);
+
         // Open file
         auto file = File::Open(_path, FileMode::OpenExisting, FileAccess::Read, FileShare::Read);
         if (file == nullptr)
@@ -1418,6 +1425,7 @@ bool FlaxStorage::CloseFileHandles()
         return false;
     }
     PROFILE_CPU();
+    PROFILE_MEM(ContentFiles);
 
     // Note: this is usually called by the content manager when this file is not used or on exit
     // In those situations all the async tasks using this storage should be cancelled externally

Source/Engine/Content/WeakAssetReference.h

@@ -7,7 +7,7 @@
 /// <summary>
 /// Asset reference utility that doesn't add reference to that asset. Handles asset unload event.
 /// </summary>
-API_CLASS(InBuild) class WeakAssetReferenceBase
+API_CLASS(InBuild) class WeakAssetReferenceBase : public IAssetReference
 {
 public:
     typedef Delegate<> EventType;
@@ -56,9 +56,14 @@ public:
     /// </summary>
     String ToString() const;
 
+public:
+    // [IAssetReference]
+    void OnAssetChanged(Asset* asset, void* caller) override;
+    void OnAssetLoaded(Asset* asset, void* caller) override;
+    void OnAssetUnloaded(Asset* asset, void* caller) override;
+
 protected:
     void OnSet(Asset* asset);
-    void OnUnloaded(Asset* asset);
 };
 
 /// <summary>
@@ -72,7 +77,13 @@ public:
     /// Initializes a new instance of the <see cref="WeakAssetReference"/> class.
     /// </summary>
     WeakAssetReference()
-        : WeakAssetReferenceBase()
+    {
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="WeakAssetReference"/> class.
+    /// </summary>
+    explicit WeakAssetReference(decltype(__nullptr))
     {
     }
 
@@ -81,7 +92,6 @@ public:
     /// </summary>
     /// <param name="asset">The asset to set.</param>
     WeakAssetReference(T* asset)
-        : WeakAssetReferenceBase()
     {
         OnSet(asset);
     }