no more trouble with middle mouse button camera view

source/shared_lib/include/platform/sdl/window.h

@@ -132,6 +132,7 @@ protected:
 public:
 	static bool handleEvent();
 	static void revertMousePos();
+	static Vec2i getOldMousePos();
 	static bool isKeyDown() { return isKeyPressedDown; }
 	static void setupGraphicsScreen(int depthBits=-1, int stencilBits=-1, bool hardware_acceleration=false, bool fullscreen_anti_aliasing=false);
 	static const bool getIsFullScreen() { return isFullScreen; }

source/shared_lib/sources/platform/sdl/window.cpp

@@ -359,6 +359,10 @@ void Window::revertMousePos() {
 	SDL_WarpMouse(oldX, oldY);
 }
 
+Vec2i Window::getOldMousePos() {
+	return Vec2i(oldX, oldY);
+}
+
 string Window::getText() {
 	char* c = 0;
 	SDL_WM_GetCaption(&c, 0);