Merge remote-tracking branch 'origin/master' into linux-editor

# Conflicts:
#	Source/Engine/Core/Math/Color.cs
#	Source/Engine/Navigation/Navigation.cpp
#	Source/Engine/Platform/Win32/Win32Platform.cpp

Source/Editor/Content/AssetItemConverter.cs

@@ -26,8 +26,7 @@ namespace FlaxEditor.Content
         {
             if (reader.TokenType == JsonToken.String)
             {
-                Guid id;
-                FlaxEngine.Json.JsonSerializer.ParseID((string)reader.Value, out id);
+                FlaxEngine.Json.JsonSerializer.ParseID((string)reader.Value, out Guid id);
                 return Editor.Instance.ContentDatabase.Find(id);
             }
 

Source/Editor/Content/Import/ImportFileEntry.cs

@@ -113,8 +113,7 @@ namespace FlaxEditor.Content.Import
             extension = extension.ToLower();
 
             // Check if use overriden type
-            ImportFileEntryHandler createDelegate;
-            if (FileTypes.TryGetValue(extension, out createDelegate))
+            if (FileTypes.TryGetValue(extension, out ImportFileEntryHandler createDelegate))
                 return createDelegate(ref request);
 
             // Use default type

Source/Editor/Content/Import/ImportFilesDialog.cs

@@ -32,7 +32,7 @@ namespace FlaxEditor.Content.Import
                 var result = 0;
                 for (int i = 0; i < _rootNode.ChildrenCount; i++)
                 {
-                    if (_rootNode.Children[i].Tag is ImportFileEntry fileEntry)
+                    if (_rootNode.Children[i].Tag is ImportFileEntry)
                         result++;
                 }
                 return result;
@@ -215,8 +215,7 @@ namespace FlaxEditor.Content.Import
             var entries = new List<ImportFileEntry>(_rootNode.ChildrenCount);
             for (int i = 0; i < _rootNode.ChildrenCount; i++)
             {
-                var fileEntry = _rootNode.Children[i].Tag as ImportFileEntry;
-                if (fileEntry != null)
+                if (_rootNode.Children[i].Tag is ImportFileEntry fileEntry)
                     entries.Add(fileEntry);
             }
             Editor.Instance.ContentImporting.LetThemBeImportedxD(entries);

Source/Editor/Content/Items/ContentItem.cs

@@ -599,7 +599,7 @@ namespace FlaxEditor.Content
         public override bool OnShowTooltip(out string text, out Vector2 location, out Rectangle area)
         {
             UpdateTooltipText();
-            var result = base.OnShowTooltip(out text, out location, out area);
+            var result = base.OnShowTooltip(out text, out _, out area);
             location = Size * new Vector2(0.9f, 0.5f);
             return result;
         }

Source/Editor/Content/Proxy/PrefabProxy.cs

@@ -74,12 +74,13 @@ namespace FlaxEditor.Content
         /// <inheritdoc />
         public override void Create(string outputPath, object arg)
         {
-            var actor = arg as Actor;
-            if (actor == null)
+            if (!(arg is Actor actor))
             {
                 // Create default prefab root object
-                actor = new EmptyActor();
-                actor.Name = "Root";
+                actor = new EmptyActor
+                {
+                    Name = "Root"
+                };
 
                 // Cleanup it after usage
                 Object.Destroy(actor, 20.0f);

Source/Editor/Content/Tree/ContentTreeNode.cs

@@ -120,9 +120,8 @@ namespace FlaxEditor.Content
             }
             else
             {
-                QueryFilterHelper.Range[] ranges;
                 var text = Text;
-                if (QueryFilterHelper.Match(filterText, text, out ranges))
+                if (QueryFilterHelper.Match(filterText, text, out QueryFilterHelper.Range[] ranges))
                 {
                     // Update highlights
                     if (_highlights == null)