Merge branch 'master' into 1.5

Source/Editor/Content/GUI/ContentView.cs

@@ -720,14 +720,14 @@ namespace FlaxEditor.Content.GUI
                 if (itemsToFit < 1)
                     itemsToFit = 1;
                 float itemsWidth = width / Mathf.Max(itemsToFit, 1);
-                itemsWidth = Mathf.Floor(itemsWidth);
                 float itemsHeight = itemsWidth / defaultItemsWidth * (ContentItem.DefaultHeight * viewScale);
-                itemsHeight = Mathf.Floor(itemsHeight);
+                var flooredItemsWidth = Mathf.Floor(itemsWidth);
+                var flooredItemsHeight = Mathf.Floor(itemsHeight);
                 x = itemsToFit == 1 ? 0 : itemsWidth / itemsToFit;
                 for (int i = 0; i < _children.Count; i++)
                 {
                     var c = _children[i];
-                    c.Bounds = new Rectangle(x, y, itemsWidth, itemsHeight);
+                    c.Bounds = new Rectangle(Mathf.Floor(x), Mathf.Floor(y), flooredItemsWidth, flooredItemsHeight);
 
                     x += itemsWidth + itemsWidth / itemsToFit;
                     if (x + itemsWidth > width)

Source/Editor/Gizmo/TransformGizmoBase.Draw.cs

@@ -54,7 +54,10 @@ namespace FlaxEditor.Gizmo
             if (!_isActive || !IsActive)
                 return;
 
-            Matrix m1, m2, m3;
+            // As all axisMesh have the same pivot, add a little offset to the x axisMesh, this way SortDrawCalls is able to sort the draw order
+            // https://github.com/FlaxEngine/FlaxEngine/issues/680
+
+            Matrix m1, m2, m3, mx1;
             bool isXAxis = _activeAxis == Axis.X || _activeAxis == Axis.XY || _activeAxis == Axis.ZX;
             bool isYAxis = _activeAxis == Axis.Y || _activeAxis == Axis.XY || _activeAxis == Axis.YZ;
             bool isZAxis = _activeAxis == Axis.Z || _activeAxis == Axis.YZ || _activeAxis == Axis.ZX;
@@ -70,6 +73,8 @@ namespace FlaxEditor.Gizmo
                     break;
                 Matrix.Scaling(gizmoModelsScale2RealGizmoSize, out m3);
                 Matrix.Multiply(ref m3, ref world, out m1);
+                mx1 = m1;
+                mx1.M41 += 0.05f;
                 var axisMesh = _modelTranslateAxis.LODs[0].Meshes[0];
                 var boxMesh = _modelBox.LODs[0].Meshes[0];
                 var boxSize = 10.0f;
@@ -90,7 +95,7 @@ namespace FlaxEditor.Gizmo
                 boxMesh.Draw(ref renderContext, _activeAxis == Axis.YZ ? _materialWireFocus : _materialWire, ref m3);
 
                 // X axis
-                axisMesh.Draw(ref renderContext, isXAxis ? _materialAxisFocus : _materialAxisX, ref m1);
+                axisMesh.Draw(ref renderContext, isXAxis ? _materialAxisFocus : _materialAxisX, ref mx1);
 
                 // Y axis
                 Matrix.RotationZ(Mathf.PiOverTwo, out m2);
@@ -143,12 +148,15 @@ namespace FlaxEditor.Gizmo
                     break;
                 Matrix.Scaling(gizmoModelsScale2RealGizmoSize, out m3);
                 Matrix.Multiply(ref m3, ref world, out m1);
+                mx1 = m1;
+                mx1.M41 -= 0.05f;
+
                 var axisMesh = _modelScaleAxis.LODs[0].Meshes[0];
                 var boxMesh = _modelBox.LODs[0].Meshes[0];
 
                 // X axis
                 Matrix.RotationY(-Mathf.PiOverTwo, out m2);
-                Matrix.Multiply(ref m2, ref m1, out m3);
+                Matrix.Multiply(ref m2, ref mx1, out m3);
                 axisMesh.Draw(ref renderContext, isXAxis ? _materialAxisFocus : _materialAxisX, ref m3);
 
                 // Y axis

Source/Editor/Gizmo/TransformGizmoBase.cs

@@ -86,7 +86,7 @@ namespace FlaxEditor.Gizmo
         /// <summary>
         /// Starts the objects transforming (optionally with duplicate).
         /// </summary>
-        protected void StartTransforming()
+        public void StartTransforming()
         {
             // Check if can start new action
             var count = SelectionCount;
@@ -119,7 +119,7 @@ namespace FlaxEditor.Gizmo
         /// <summary>
         /// Ends the objects transforming.
         /// </summary>
-        protected void EndTransforming()
+        public void EndTransforming()
         {
             // Check if wasn't working at all
             if (!_isTransforming)
@@ -287,12 +287,29 @@ namespace FlaxEditor.Gizmo
                 delta *= 0.5f;
             if ((isScaling ? ScaleSnapEnabled : TranslationSnapEnable) || Owner.UseSnapping)
             {
-                float snapValue = isScaling ? ScaleSnapValue : TranslationSnapValue;
+                var snapValue = new Vector3(isScaling ? ScaleSnapValue : TranslationSnapValue);
                 _translationScaleSnapDelta += delta;
+                if (!isScaling && snapValue.X < 0.0f)
+                {
+                    // Snap to object bounding box
+                    GetSelectedObjectsBounds(out var b, out _);
+                    if (b.Minimum.X < 0.0f)
+                        snapValue.X = (Real)Math.Abs(b.Minimum.X) + b.Maximum.X;
+                    else
+                        snapValue.X = (Real)b.Minimum.X - b.Maximum.X;
+                    if (b.Minimum.Y < 0.0f)
+                        snapValue.Y = (Real)Math.Abs(b.Minimum.Y) + b.Maximum.Y;
+                    else
+                        snapValue.Y = (Real)b.Minimum.Y - b.Maximum.Y;
+                    if (b.Minimum.Z < 0.0f)
+                        snapValue.Z = (Real)Math.Abs(b.Minimum.Z) + b.Maximum.Z;
+                    else
+                        snapValue.Z = (Real)b.Minimum.Z - b.Maximum.Z;
+                }
                 delta = new Vector3(
-                                    (int)(_translationScaleSnapDelta.X / snapValue) * snapValue,
+                                    (int)(_translationScaleSnapDelta.X / snapValue.X) * snapValue.X,
-                                    (int)(_translationScaleSnapDelta.Y / snapValue) * snapValue,
+                                    (int)(_translationScaleSnapDelta.Y / snapValue.Y) * snapValue.Y,
-                                    (int)(_translationScaleSnapDelta.Z / snapValue) * snapValue);
+                                    (int)(_translationScaleSnapDelta.Z / snapValue.Z) * snapValue.Z);
                 _translationScaleSnapDelta -= delta;
             }
 
@@ -446,10 +463,9 @@ namespace FlaxEditor.Gizmo
                     }
 
                     // Apply transformation (but to the parents, not whole selection pool)
-                    if (anyValid)
+                    if (anyValid || (!_isTransforming && Owner.UseDuplicate))
                     {
                         StartTransforming();
-
                         LastDelta = new Transform(translationDelta, rotationDelta, scaleDelta);
                         OnApplyTransformation(ref translationDelta, ref rotationDelta, ref scaleDelta);
                     }

Source/Editor/Options/InputOptions.cs

@@ -68,6 +68,10 @@ namespace FlaxEditor.Options
         [EditorDisplay("Common"), EditorOrder(220)]
         public InputBinding ContentFinder = new InputBinding(KeyboardKeys.O, KeyboardKeys.Control);
 
+        [DefaultValue(typeof(InputBinding), "R")]
+        [EditorDisplay("Common"), EditorOrder(230)]
+        public InputBinding RotateSelection = new InputBinding(KeyboardKeys.R);
+
         #endregion
 
         #region Scene

Source/Editor/Surface/Archetypes/Textures.cs

@@ -400,7 +400,7 @@ namespace FlaxEditor.Surface.Archetypes
                 Elements = new[]
                 {
                     NodeElementArchetype.Factory.Input(0, "Texture", true, typeof(FlaxEngine.Object), 0),
-                    NodeElementArchetype.Factory.Input(1, "Scale", true, typeof(float), 1, 0),
+                    NodeElementArchetype.Factory.Input(1, "Scale", true, typeof(Float3), 1, 0),
                     NodeElementArchetype.Factory.Input(2, "Blend", true, typeof(float), 2, 1),
                     NodeElementArchetype.Factory.Output(0, "Color", typeof(Float3), 3)
                 }

Source/Editor/Viewport/MainEditorGizmoViewport.cs

@@ -319,6 +319,8 @@ namespace FlaxEditor.Viewport
             {
                 TooltipText = "Position snapping values"
             };
+            if (TransformGizmo.TranslationSnapValue < 0.0f)
+                _translateSnapping.Text = "Bounding Box";
 
             for (int i = 0; i < EditorViewportTranslateSnapValues.Length; i++)
             {
@@ -326,6 +328,9 @@ namespace FlaxEditor.Viewport
                 var button = translateSnappingCM.AddButton(v.ToString());
                 button.Tag = v;
             }
+            var buttonBB = translateSnappingCM.AddButton("Bounding Box").LinkTooltip("Snaps the selection based on it's bounding volume");
+            buttonBB.Tag = -1.0f;
+
             translateSnappingCM.ButtonClicked += OnWidgetTranslateSnapClick;
             translateSnappingCM.VisibleChanged += OnWidgetTranslateSnapShowHide;
             _translateSnapping.Parent = translateSnappingWidget;
@@ -378,6 +383,7 @@ namespace FlaxEditor.Viewport
             InputActions.Add(options => options.RotateMode, () => TransformGizmo.ActiveMode = TransformGizmoBase.Mode.Rotate);
             InputActions.Add(options => options.ScaleMode, () => TransformGizmo.ActiveMode = TransformGizmoBase.Mode.Scale);
             InputActions.Add(options => options.FocusSelection, FocusSelection);
+            InputActions.Add(options => options.RotateSelection, RotateSelection);
             InputActions.Add(options => options.Delete, _editor.SceneEditing.Delete);
         }
 
@@ -539,28 +545,24 @@ namespace FlaxEditor.Viewport
         private void OnTranslateSnappingToggle(ViewportWidgetButton button)
         {
             TransformGizmo.TranslationSnapEnable = !TransformGizmo.TranslationSnapEnable;
-            // cache value
             _editor.ProjectCache.SetCustomData("TranslateSnapState", TransformGizmo.TranslationSnapEnable.ToString());
         }
 
         private void OnRotateSnappingToggle(ViewportWidgetButton button)
         {
             TransformGizmo.RotationSnapEnabled = !TransformGizmo.RotationSnapEnabled;
-            // cache value
             _editor.ProjectCache.SetCustomData("RotationSnapState", TransformGizmo.RotationSnapEnabled.ToString());
         }
 
         private void OnScaleSnappingToggle(ViewportWidgetButton button)
         {
             TransformGizmo.ScaleSnapEnabled = !TransformGizmo.ScaleSnapEnabled;
-            // cache value
             _editor.ProjectCache.SetCustomData("ScaleSnapState", TransformGizmo.ScaleSnapEnabled.ToString());
         }
 
         private void OnTransformSpaceToggle(ViewportWidgetButton button)
         {
             TransformGizmo.ToggleTransformSpace();
-            // cache value
             _editor.ProjectCache.SetCustomData("TransformSpaceState", TransformGizmo.ActiveTransformSpace.ToString());
         }
 
@@ -591,7 +593,6 @@ namespace FlaxEditor.Viewport
             var v = (float)button.Tag;
             TransformGizmo.ScaleSnapValue = v;
             _scaleSnapping.Text = v.ToString();
-            // cache value
             _editor.ProjectCache.SetCustomData("ScaleSnapValue", TransformGizmo.ScaleSnapValue.ToString("N"));
         }
 
@@ -630,7 +631,6 @@ namespace FlaxEditor.Viewport
             var v = (float)button.Tag;
             TransformGizmo.RotationSnapValue = v;
             _rotateSnapping.Text = v.ToString();
-            // cache value
             _editor.ProjectCache.SetCustomData("RotationSnapValue", TransformGizmo.RotationSnapValue.ToString("N"));
         }
 
@@ -667,8 +667,10 @@ namespace FlaxEditor.Viewport
         {
             var v = (float)button.Tag;
             TransformGizmo.TranslationSnapValue = v;
-            _translateSnapping.Text = v.ToString();
+            if (v < 0.0f)
-            // cache value
+                _translateSnapping.Text = "Bounding Box";
+            else
+                _translateSnapping.Text = v.ToString();
             _editor.ProjectCache.SetCustomData("TranslateSnapValue", TransformGizmo.TranslationSnapValue.ToString("N"));
         }
 
@@ -696,6 +698,51 @@ namespace FlaxEditor.Viewport
             Gizmos.ForEach(x => x.OnSelectionChanged(selection));
         }
 
+        /// <summary>
+        /// Press "R" to rotate the selected gizmo objects 45 degrees.
+        /// </summary>
+        public void RotateSelection()
+        {
+            var win = (WindowRootControl)Root;
+            var selection = _editor.SceneEditing.Selection;
+            var isShiftDown = win.GetKey(KeyboardKeys.Shift);
+
+            Quaternion rotationDelta;
+            if (isShiftDown)
+                rotationDelta = Quaternion.Euler(0.0f, -45.0f, 0.0f);
+            else
+                rotationDelta = Quaternion.Euler(0.0f, 45.0f, 0.0f);
+
+            bool useObjCenter = TransformGizmo.ActivePivot == TransformGizmoBase.PivotType.ObjectCenter;
+            Vector3 gizmoPosition = TransformGizmo.Position;
+
+            // Rotate selected objects
+            bool isPlayMode = Editor.Instance.StateMachine.IsPlayMode;
+            TransformGizmo.StartTransforming();
+            for (int i = 0; i < selection.Count; i++)
+            {
+                var obj = selection[i];
+                if (isPlayMode && obj.CanTransform == false)
+                    continue;
+                var trans = obj.Transform;
+                var pivotOffset = trans.Translation - gizmoPosition;
+                if (useObjCenter || pivotOffset.IsZero)
+                {
+                    trans.Orientation *= Quaternion.Invert(trans.Orientation) * rotationDelta * trans.Orientation;
+                }
+                else
+                {
+                    Matrix.RotationQuaternion(ref trans.Orientation, out var transWorld);
+                    Matrix.RotationQuaternion(ref rotationDelta, out var deltaWorld);
+                    Matrix world = transWorld * Matrix.Translation(pivotOffset) * deltaWorld * Matrix.Translation(-pivotOffset);
+                    trans.SetRotation(ref world);
+                    trans.Translation += world.TranslationVector;
+                }
+                obj.Transform = trans;
+            }
+            TransformGizmo.EndTransforming();
+        }
+
         /// <summary>
         /// Focuses the viewport on the current selection of the gizmo.
         /// </summary>

Source/Editor/Windows/GameWindow.cs

@@ -21,7 +21,8 @@ namespace FlaxEditor.Windows
         private readonly GameRoot _guiRoot;
         private bool _showGUI = true;
         private bool _showDebugDraw = false;
-        private bool _isMaximized = false;
+        private bool _isMaximized = false, _isUnlockingMouse = false;
+        private bool _cursorVisible = true;
         private float _gameStartTime;
         private GUI.Docking.DockState _maximizeRestoreDockState;
         private GUI.Docking.DockPanel _maximizeRestoreDockTo;
@@ -460,14 +461,20 @@ namespace FlaxEditor.Windows
         {
             if (Editor.StateMachine.IsPlayMode)
             {
-                Screen.CursorVisible = true;
+                // Cache cursor
-                Focus(null);
+                _cursorVisible = Screen.CursorVisible;
-                Editor.Windows.MainWindow.Focus();
+                _cursorLockMode = Screen.CursorLock;
-                if (Editor.Windows.PropertiesWin.IsDocked)
-                    Editor.Windows.PropertiesWin.Focus();
                 Screen.CursorVisible = true;
                 if (Screen.CursorLock == CursorLockMode.Clipped)
                     Screen.CursorLock = CursorLockMode.None;
+                
+                // Defocus
+                _isUnlockingMouse = true;
+                Focus(null);
+                _isUnlockingMouse = false;
+                Editor.Windows.MainWindow.Focus();
+                if (Editor.Windows.PropertiesWin.IsDocked)
+                    Editor.Windows.PropertiesWin.Focus();
             }
         }
 
@@ -552,9 +559,11 @@ namespace FlaxEditor.Windows
                     Root.MousePosition = center;
                 }
 
-                // Restore lock mode
+                // Restore cursor
                 if (_cursorLockMode != CursorLockMode.None)
                     Screen.CursorLock = _cursorLockMode;
+                if (!_cursorVisible)
+                    Screen.CursorVisible = false;
             }
         }
 
@@ -563,11 +572,16 @@ namespace FlaxEditor.Windows
         {
             base.OnEndContainsFocus();
 
-            // Restore cursor visibility (could be hidden by the game)
+            if (!_isUnlockingMouse)
-            Screen.CursorVisible = true;
+            {
+                // Cache cursor
+                _cursorVisible = Screen.CursorVisible;
+                _cursorLockMode = Screen.CursorLock;
 
-            // Cache lock mode
+                // Restore cursor visibility (could be hidden by the game)
-            _cursorLockMode = Screen.CursorLock;
+                if (!_cursorVisible)
+                    Screen.CursorVisible = true;
+            }
         }
 
         /// <inheritdoc />

Source/Engine/Audio/AudioClip.cpp

@@ -20,10 +20,11 @@ bool AudioClip::StreamingTask::Run()
 {
     AssetReference<AudioClip> ref = _asset.Get();
     if (ref == nullptr)
-    {
         return true;
-    }
+    ScopeLock lock(ref->Locker);
     const auto& queue = ref->StreamingQueue;
+    if (queue.Count() == 0)
+        return false;
     auto clip = ref.Get();
 
     // Update the buffers
@@ -108,7 +109,6 @@ bool AudioClip::StreamingTask::Run()
     for (int32 sourceIndex = 0; sourceIndex < Audio::Sources.Count(); sourceIndex++)
     {
         // TODO: collect refs to audio clip from sources and use faster iteration (but do it thread-safe)
-
         const auto src = Audio::Sources[sourceIndex];
         if (src->Clip == clip && src->GetState() == AudioSource::States::Playing)
         {

Source/Engine/Audio/AudioSource.cpp

@@ -130,6 +130,10 @@ void AudioSource::Play()
         {
             // Request faster streaming update
             Clip->RequestStreamingUpdate();
+
+            // If we are looping and streaming also update streaming buffers
+            if (_loop)
+                RequestStreamingBuffersUpdate();
         }
     }
     else
@@ -368,6 +372,7 @@ void AudioSource::Update()
     if (!UseStreaming() || SourceIDs.IsEmpty())
         return;
     auto clip = Clip.Get();
+    clip->Locker.Lock();
 
     // Handle streaming buffers queue submit (ensure that clip has loaded the first chunk with audio data)
     if (_needToUpdateStreamingBuffers && clip->Buffers[_streamingFirstChunk] != AUDIO_BUFFER_ID_INVALID)
@@ -437,6 +442,8 @@ void AudioSource::Update()
             clip->RequestStreamingUpdate();
         }
     }
+
+    clip->Locker.Unlock();
 }
 
 void AudioSource::OnEnable()

Source/Engine/Audio/OpenAL/AudioBackendOAL.cpp

@@ -139,10 +139,12 @@ namespace ALC
 
                 alSourcef(sourceID, AL_GAIN, source->GetVolume());
                 alSourcef(sourceID, AL_PITCH, source->GetPitch());
+                alSourcef(sourceID, AL_SEC_OFFSET, 0.0f);
                 alSourcef(sourceID, AL_REFERENCE_DISTANCE, source->GetMinDistance());
                 alSourcef(sourceID, AL_ROLLOFF_FACTOR, source->GetAttenuation());
                 alSourcei(sourceID, AL_LOOPING, loop);
                 alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
+                alSourcei(sourceID, AL_BUFFER, 0);
                 alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(position));
                 alSource3f(sourceID, AL_VELOCITY, FLAX_POS_TO_OAL(velocity));
             }

Source/Engine/Content/Cache/AssetsCache.cpp

@@ -281,7 +281,6 @@ bool AssetsCache::FindAsset(const StringView& path, AssetInfo& info)
         auto& e = i->Value;
         if (e.Info.Path == path)
         {
-            // Validate file exists
             if (!IsEntryValid(e))
             {
                 LOG(Warning, "Missing file from registry: \'{0}\':{1}:{2}", e.Info.Path, e.Info.ID, e.Info.TypeName);
@@ -304,15 +303,11 @@ bool AssetsCache::FindAsset(const StringView& path, AssetInfo& info)
 bool AssetsCache::FindAsset(const Guid& id, AssetInfo& info)
 {
     PROFILE_CPU();
-
     bool result = false;
-
     ScopeLock lock(_locker);
-
     auto e = _registry.TryGet(id);
     if (e != nullptr)
     {
-        // Validate entry
         if (!IsEntryValid(*e))
         {
             LOG(Warning, "Missing file from registry: \'{0}\':{1}:{2}", e->Info.Path, e->Info.ID, e->Info.TypeName);
@@ -325,7 +320,6 @@ bool AssetsCache::FindAsset(const Guid& id, AssetInfo& info)
             info = e->Info;
         }
     }
-
     return result;
 }
 
@@ -379,8 +373,26 @@ void AssetsCache::RegisterAssets(FlaxStorage* storage)
         // Check if storage contains ID which has been already registered
         if (FindAsset(e.ID, info))
         {
+#if PLATFORM_WINDOWS
+            // On Windows - if you start your project using a shortcut/VS commandline -project, and using a upper/lower drive letter, it could the cache (case doesn't matter on OS)
+            if (StringUtils::CompareIgnoreCase(storagePath.GetText(), info.Path.GetText()) != 0)
+            {
+                LOG(Warning, "Founded duplicated asset \'{0}\'. Locations: \'{1}\' and \'{2}\'", e.ID, storagePath, info.Path);
+                duplicatedEntries.Add(i);
+            }
+            else
+            {
+                // Remove from registry so we can add it again later with the original ID, so we don't loose relations
+                for (auto j = _registry.Begin(); j.IsNotEnd(); ++j)
+                {
+                    if (StringUtils::CompareIgnoreCase(j->Value.Info.Path.GetText(), storagePath.GetText()) == 0)
+                        _registry.Remove(j);
+                }
+            }
+#else
             LOG(Warning, "Founded duplicated asset \'{0}\'. Locations: \'{1}\' and \'{2}\'", e.ID, storagePath, info.Path);
             duplicatedEntries.Add(i);
+#endif
         }
     }
 
@@ -551,7 +563,6 @@ bool AssetsCache::RenameAsset(const StringView& oldPath, const StringView& newPa
 bool AssetsCache::IsEntryValid(Entry& e)
 {
 #if ENABLE_ASSETS_DISCOVERY
-
     // Check if file exists
     if (FileSystem::FileExists(e.Info.Path))
     {
@@ -601,10 +612,8 @@ bool AssetsCache::IsEntryValid(Entry& e)
     return false;
 
 #else
-
     // In game we don't care about it because all cached asset entries are valid (precached)
     // Skip only entries with missing file
     return e.Info.Path.HasChars();
-
 #endif
 }

Source/Engine/Core/Types/String.cpp

@@ -215,7 +215,7 @@ bool String::IsANSI() const
     bool result = true;
     for (int32 i = 0; i < _length; i++)
     {
-        if (_data[i] > 255)
+        if (_data[i] > 127)
         {
             result = false;
             break;

Source/Engine/Engine/Screen.cpp

@@ -15,7 +15,8 @@
 
 Nullable<bool> Fullscreen;
 Nullable<Float2> Size;
-static CursorLockMode CursorLock = CursorLockMode::None;
+bool CursorVisible = true;
+CursorLockMode CursorLock = CursorLockMode::None;
 
 class ScreenService : public EngineService
 {
@@ -25,6 +26,7 @@ public:
     {
     }
 
+    void Update() override;
     void Draw() override;
 };
 
@@ -88,12 +90,7 @@ Float2 Screen::GameViewportToScreen(const Float2& viewportPos)
 
 bool Screen::GetCursorVisible()
 {
-#if USE_EDITOR
+    return CursorVisible;
-    const auto win = Editor::Managed->GetGameWindow(true);
-#else
-	const auto win = Engine::MainWindow;
-#endif
-    return win ? win->GetCursor() != CursorType::Hidden : true;
 }
 
 void Screen::SetCursorVisible(const bool value)
@@ -107,6 +104,7 @@ void Screen::SetCursorVisible(const bool value)
     {
         win->SetCursor(value ? CursorType::Default : CursorType::Hidden);
     }
+    CursorVisible = value;
 }
 
 CursorLockMode Screen::GetCursorLock()
@@ -137,6 +135,14 @@ void Screen::SetCursorLock(CursorLockMode mode)
     CursorLock = mode;
 }
 
+void ScreenService::Update()
+{
+#if USE_EDITOR
+    // Sync current cursor state in Editor (eg. when viewport focus can change)
+    Screen::SetCursorVisible(CursorVisible);
+#endif
+}
+
 void ScreenService::Draw()
 {
 #if USE_EDITOR

Source/Engine/Scripting/BinaryModule.cpp

@@ -697,6 +697,7 @@ ManagedBinaryModule::ManagedBinaryModule(MAssembly* assembly)
     // Bind for C# assembly events
     assembly->Loading.Bind<ManagedBinaryModule, &ManagedBinaryModule::OnLoading>(this);
     assembly->Loaded.Bind<ManagedBinaryModule, &ManagedBinaryModule::OnLoaded>(this);
+    assembly->Unloading.Bind<ManagedBinaryModule, &ManagedBinaryModule::OnUnloading>(this);
     assembly->Unloaded.Bind<ManagedBinaryModule, &ManagedBinaryModule::OnUnloaded>(this);
 
     if (Assembly->IsLoaded())
@@ -1117,17 +1118,24 @@ void ManagedBinaryModule::InitType(MClass* mclass)
 #endif
 }
 
-void ManagedBinaryModule::OnUnloaded(MAssembly* assembly)
+void ManagedBinaryModule::OnUnloading(MAssembly* assembly)
 {
     PROFILE_CPU();
 
-    // Clear managed-only types
+    // Clear managed types typenames
     for (int32 i = _firstManagedTypeIndex; i < Types.Count(); i++)
     {
         const ScriptingType& type = Types[i];
         const MString typeName(type.Fullname.Get(), type.Fullname.Length());
         TypeNameToTypeIndex.Remove(typeName);
     }
+}
+
+void ManagedBinaryModule::OnUnloaded(MAssembly* assembly)
+{
+    PROFILE_CPU();
+
+    // Clear managed-only types
     Types.Resize(_firstManagedTypeIndex);
     for (int32 i = 0; i < _managedMemoryBlocks.Count(); i++)
         Allocator::Free(_managedMemoryBlocks[i]);

Source/Engine/Scripting/BinaryModule.h

@@ -309,6 +309,7 @@ private:
     void OnLoading(MAssembly* assembly);
     void OnLoaded(MAssembly* assembly);
     void InitType(MClass* mclass);
+    void OnUnloading(MAssembly* assembly);
     void OnUnloaded(MAssembly* assembly);
 
 public:

Source/Engine/Scripting/Scripting.cpp

@@ -868,6 +868,20 @@ ScriptingObject* Scripting::TryFindObject(Guid id, MClass* type)
     return result;
 }
 
+ScriptingObject* Scripting::TryFindObject(MClass* mclass)
+{
+    if (mclass == nullptr)
+        return nullptr;
+    ScopeLock lock(_objectsLocker);
+    for (auto i = _objectsDictionary.Begin(); i.IsNotEnd(); ++i)
+    {
+        const auto obj = i->Value;
+        if (obj->GetClass() == mclass)
+            return obj;
+    }
+    return nullptr;
+}
+
 ScriptingObject* Scripting::FindObject(const MObject* managedInstance)
 {
     if (managedInstance == nullptr)

Source/Engine/Scripting/Scripting.h

@@ -85,7 +85,7 @@ public:
     /// <param name="fullname">The full name of the type eg: System.Int64.</param>
     /// <returns>The MClass object or null if missing.</returns>
     static MClass* FindClass(const StringAnsiView& fullname);
-    
+
 #if USE_MONO
     /// <summary>
     /// Finds the class from the given Mono class object within whole assembly.
@@ -144,6 +144,12 @@ public:
     /// <returns>The found object or null if missing.</returns>
     static ScriptingObject* FindObject(Guid id, MClass* type = nullptr);
 
+    /// <summary>
+    /// Tries to find the object by the given class.
+    /// </summary>
+    /// <returns>The found object or null if missing.</returns>
+    static ScriptingObject* TryFindObject(MClass* type);
+
     /// <summary>
     /// Tries to find the object by the given identifier.
     /// </summary>

Source/Engine/Tests/TestModelTool.cpp

@@ -0,0 +1,24 @@
+// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
+
+#include "Engine/Tools/ModelTool/ModelTool.h"
+#include <ThirdParty/catch2/catch.hpp>
+
+TEST_CASE("ModelTool")
+{
+    SECTION("Test DetectLodIndex")
+    {
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh")) == 0);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh LOD")) == 0);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh LOD0")) == 0);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh LOD1")) == 1);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh_LOD1")) == 1);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh_lod1")) == 1);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh_lod2")) == 2);
+        CHECK(ModelTool::DetectLodIndex(TEXT("lod0")) == 0);
+        CHECK(ModelTool::DetectLodIndex(TEXT("lod1")) == 1);
+        CHECK(ModelTool::DetectLodIndex(TEXT("lod_2")) == 2);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh_lod_0")) == 0);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh_lod_1")) == 1);
+        CHECK(ModelTool::DetectLodIndex(TEXT("mesh lod_2")) == 2);
+    }
+}

Source/Engine/Tests/Tests.Build.cs

@@ -2,6 +2,7 @@
 
 using System.Collections.Generic;
 using Flax.Build;
+using Flax.Build.NativeCpp;
 
 /// <summary>
 /// Engine tests module.
@@ -14,6 +15,14 @@ public class Tests : EngineModule
         Deploy = false;
     }
 
+    /// <inheritdoc />
+    public override void Setup(BuildOptions options)
+    {
+        base.Setup(options);
+
+        options.PrivateDependencies.Add("ModelTool");
+    }
+
     /// <inheritdoc />
     public override void GetFilesToDeploy(List<string> files)
     {

Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp

@@ -467,7 +467,7 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
         }
 
         const auto texture = eatBox(textureBox->GetParent<Node>(), textureBox->FirstConnection());
-        const auto scale = tryGetValue(scaleBox, node->Values[0]).AsFloat();
+        const auto scale = tryGetValue(scaleBox, node->Values[0]).AsFloat3();
         const auto blend = tryGetValue(blendBox, node->Values[1]).AsFloat();
 
         auto result = writeLocal(Value::InitForZero(ValueType::Float4), node);

Source/Engine/Tools/ModelTool/ModelTool.Assimp.cpp

@@ -641,6 +641,7 @@ bool ModelTool::ImportDataAssimp(const char* path, ImportedModelData& data, Opti
                 aiProcess_JoinIdenticalVertices |
                 aiProcess_LimitBoneWeights |
                 aiProcess_Triangulate |
+                aiProcess_SortByPType |
                 aiProcess_GenUVCoords |
                 aiProcess_FindDegenerates |
                 aiProcess_FindInvalidData |

Source/Engine/Tools/ModelTool/ModelTool.cpp

@@ -1552,21 +1552,21 @@ bool ModelTool::ImportModel(const String& path, ModelData& meshData, Options& op
 
 int32 ModelTool::DetectLodIndex(const String& nodeName)
 {
-    const int32 index = nodeName.FindLast(TEXT("LOD"));
+    int32 index = nodeName.FindLast(TEXT("LOD"), StringSearchCase::IgnoreCase);
     if (index != -1)
     {
+        // Some models use LOD_0 to identify LOD levels
+        if (nodeName.Length() > index + 4 && nodeName[index + 3] == '_')
+            index++;
+
         int32 num;
         if (!StringUtils::Parse(nodeName.Get() + index + 3, &num))
         {
             if (num >= 0 && num < MODEL_MAX_LODS)
-            {
                 return num;
-            }
-
             LOG(Warning, "Invalid mesh level of detail index at node \'{0}\'. Maximum supported amount of LODs is {1}.", nodeName, MODEL_MAX_LODS);
         }
     }
-
     return 0;
 }
 

Source/Engine/UI/GUI/Common/TextBoxBase.cs

@@ -129,6 +129,16 @@ namespace FlaxEngine.GUI
         /// </summary>
         public event Action<TextBoxBase> TextBoxEditEnd;
 
+        /// <summary>
+        /// Event fired when a key is down.
+        /// </summary>
+        public event Action<KeyboardKeys> KeyDown;
+
+        /// <summary>
+        /// Event fired when a key is up.
+        /// </summary>
+        public event Action<KeyboardKeys> KeyUp;
+
         /// <summary>
         /// Gets or sets a value indicating whether this is a multiline text box control.
         /// </summary>
@@ -1168,12 +1178,20 @@ namespace FlaxEngine.GUI
             return true;
         }
 
+        /// <inheritdoc />
+        public override void OnKeyUp(KeyboardKeys key)
+        {
+            base.OnKeyUp(key);
+            KeyUp?.Invoke(key);
+        }
+
         /// <inheritdoc />
         public override bool OnKeyDown(KeyboardKeys key)
         {
             var window = Root;
             bool shiftDown = window.GetKey(KeyboardKeys.Shift);
             bool ctrDown = window.GetKey(KeyboardKeys.Control);
+            KeyDown?.Invoke(key);
 
             switch (key)
             {

Source/Engine/UI/GUI/Control.cs

@@ -948,10 +948,6 @@ namespace FlaxEngine.GUI
         {
             // Set flag
             _isDragOver = true;
-            
-            // Hide tooltip
-            Tooltip?.Hide();
-
             return DragDropEffect.None;
         }
 
@@ -998,6 +994,8 @@ namespace FlaxEngine.GUI
         [NoAnimate]
         public virtual void DoDragDrop(DragData data)
         {
+            // Hide tooltip
+            Tooltip?.Hide();
             Root.DoDragDrop(data);
         }