Add feedback from PVS (static code analyzer)

https://pvs-studio.com/en/blog/posts/cpp/1153/

Source/Editor/Content/Items/AssetItem.cs

@@ -80,7 +80,7 @@ namespace FlaxEditor.Content
                 // Translate asset type name
                 var typeName = TypeName;
                 string[] typeNamespaces = typeName.Split('.');
-                if (typeNamespaces.Length != 0 && typeNamespaces.Length != 0)
+                if (typeNamespaces.Length != 0 && typeNamespaces[typeNamespaces.Length - 1].Length != 0)
                 {
                     typeName = Utilities.Utils.GetPropertyNameUI(typeNamespaces[typeNamespaces.Length - 1]);
                 }

Source/Editor/GUI/Dialogs/Dialog.cs

@@ -22,7 +22,7 @@ namespace FlaxEditor.GUI.Dialogs
         /// <summary>
         /// The parent window.
         /// </summary>
-        protected Window _window;
+        protected volatile Window _window;
 
         /// <summary>
         /// The dialog result.

Source/Editor/Surface/VisjectSurface.Input.cs

@@ -492,7 +492,7 @@ namespace FlaxEditor.Surface
                     Focus();
                     return true;
                 }
-                if (_rightMouseDown || (_middleMouseDown && _middleMouseDown))
+                if (_rightMouseDown || _middleMouseDown)
                 {
                     // Start navigating
                     StartMouseCapture();

Source/Editor/Utilities/MemberComparison.cs

@@ -79,7 +79,7 @@ namespace FlaxEditor.Utilities
                     value = Convert.ToInt32(value);
                 else if (type.Type == typeof(long))
                     value = Convert.ToInt64(value);
-                else if (type.Type == typeof(int))
+                else if (type.Type == typeof(ushort))
                     value = Convert.ToUInt16(value);
                 else if (type.Type == typeof(uint))
                     value = Convert.ToUInt32(value);

Source/Engine/Content/Storage/FlaxStorage.cpp

@@ -662,13 +662,13 @@ bool FlaxStorage::LoadAssetChunk(FlaxChunk* chunk)
                 if (!failed)
                 {
                     stream->SetPosition(chunk->LocationInFile.Address);
+                    if (!stream->HasError())
+                        break;
                 }
-                if (!stream->HasError())
-                    break;
             }
         }
 
-        if (stream->HasError())
+        if (!stream || stream->HasError())
         {
             failed = true;
             UnlockChunks();

Source/Engine/Core/Math/Matrix2x2.cs

@@ -94,8 +94,8 @@ namespace FlaxEngine
                 throw new ArgumentOutOfRangeException(nameof(values), "There must be sixteen and only four input values for Matrix2x2.");
             M11 = values[0];
             M12 = values[1];
-            M21 = values[3];
-            M22 = values[4];
+            M21 = values[2];
+            M22 = values[3];
         }
 
         /// <summary>

Source/Engine/Core/Types/DataContainer.h

@@ -324,15 +324,14 @@ public:
     {
         if (length <= 0)
             return;
-        if (Base::Length() == 0)
+        auto prev = Base::_data;
+        const auto prevLength = Base::_length;
+        if (prevLength == 0 || prev == nullptr)
         {
             Copy(data, length);
             return;
         }
 
-        auto prev = Base::_data;
-        const auto prevLength = Base::_length;
-
         Base::_length = prevLength + length;
         Base::_data = (T*)Allocator::Allocate(Base::_length * sizeof(T));
 

Source/Engine/Core/Types/Variant.cpp

@@ -2702,8 +2702,8 @@ void Variant::SetAsset(Asset* asset)
         SetType(VariantType(VariantType::Asset));
     if (AsAsset)
     {
-        asset->OnUnloaded.Unbind<Variant, &Variant::OnAssetUnloaded>(this);
-        asset->RemoveReference();
+        AsAsset->OnUnloaded.Unbind<Variant, &Variant::OnAssetUnloaded>(this);
+        AsAsset->RemoveReference();
     }
     AsAsset = asset;
     if (asset)

Source/Engine/UI/GUI/WindowRootControl.cs

@@ -77,7 +77,7 @@ namespace FlaxEngine.GUI
         /// </summary>
         public void Hide()
         {
-            _window.Show();
+            _window.Hide();
         }
 
         /// <summary>