Move ScreenToGameViewport from Engine to Screen

And make it accessible from the C# side

Source/Engine/Engine/Engine.cpp

@@ -413,24 +413,6 @@ bool Engine::HasGameViewportFocus()
 #endif
 }
 
-Vector2 Engine::ScreenToGameViewport(const Vector2& screenPos)
-{
-#if USE_EDITOR
-    return Editor::Managed->ScreenToGameViewport(screenPos);
-#else
-    return MainWindow ? MainWindow->ScreenToClient(screenPos) : Vector2::Minimum;
-#endif
-}
-
-Vector2 Engine::GameViewportToScreen(const Vector2& viewportPos)
-{
-#if USE_EDITOR
-    return Editor::Managed->GameViewportToScreen(viewportPos);
-#else
-    return MainWindow ? MainWindow->ClientToScreen(viewportPos) : Vector2::Minimum;
-#endif
-}
-
 void Engine::OnPause()
 {
     LOG(Info, "App paused");

Source/Engine/Engine/Engine.h

@@ -153,20 +153,6 @@ public:
     /// <returns>True if game viewport is focused, otherwise false.</returns>
     static bool HasGameViewportFocus();
 
-    /// <summary>
-    /// Converts the screen-space position to the game viewport position.
-    /// </summary>
-    /// <param name="screenPos">The screen-space position.</param>
-    /// <returns>The game viewport position.</returns>
-    static Vector2 ScreenToGameViewport(const Vector2& screenPos);
-
-    /// <summary>
-    /// Converts the game viewport position to the screen-space position.
-    /// </summary>
-    /// <param name="viewportPos">The game viewport position.</param>
-    /// <returns>The screen-space position.</returns>
-    static Vector2 GameViewportToScreen(const Vector2& viewportPos);
-
 private:
 
     static void OnPause();

Source/Engine/Engine/Screen.cpp

@@ -66,6 +66,24 @@ void Screen::SetSize(const Vector2& value)
     Size = value;
 }
 
+Vector2 Screen::ScreenToGameViewport(const Vector2& screenPos)
+{
+#if USE_EDITOR
+    return Editor::Managed->ScreenToGameViewport(screenPos);
+#else
+    return MainWindow ? MainWindow->ScreenToClient(screenPos) : Vector2::Minimum;
+#endif
+}
+
+Vector2 Screen::GameViewportToScreen(const Vector2& viewportPos)
+{
+#if USE_EDITOR
+    return Editor::Managed->GameViewportToScreen(viewportPos);
+#else
+    return MainWindow ? MainWindow->ClientToScreen(viewportPos) : Vector2::Minimum;
+#endif
+}
+
 bool Screen::GetCursorVisible()
 {
 #if USE_EDITOR

Source/Engine/Engine/Screen.h

@@ -33,6 +33,20 @@ DECLARE_SCRIPTING_TYPE_NO_SPAWN(Screen);
     /// <returns>The value</returns>
     API_PROPERTY() static Vector2 GetSize();
 
+    /// <summary>
+    /// Converts the screen-space position to the game viewport position.
+    /// </summary>
+    /// <param name="screenPos">The screen-space position.</param>
+    /// <returns>The game viewport position.</returns>
+    API_FUNCTION() static Vector2 ScreenToGameViewport(const Vector2& screenPos);
+
+    /// <summary>
+    /// Converts the game viewport position to the screen-space position.
+    /// </summary>
+    /// <param name="viewportPos">The game viewport position.</param>
+    /// <returns>The screen-space position.</returns>
+    API_FUNCTION() static Vector2 GameViewportToScreen(const Vector2& viewportPos);
+
     /// <summary>
     /// Sets the window size.
     /// </summary>