#ifndef GAME_WINDOW_H #define GAME_WINDOW_H #include "iappsystem.h" #include "tier0/platform.h" #define GAME_WINDOW_INTERFACE_NAME "GameWindow001" #define GAME_SDL_WINDOW_INTERFACE_NAME "SDLGameWindow001" abstract_class IGameWindow: public IAppSystem { public: virtual void UpdateWindow() = 0; }; extern IGameWindow *gamewindow; #endif