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/*
core/game.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_CORE_GAMEINTERFACE_H__
#define __INCLUDED_CORE_GAMEINTERFACE_H__
namespace core
{
/// abstract interface from the core to the game-specific code
/** The real game class has to derive from this class
*/
class GameInterface {
public:
/// create a new game singleton
GameInterface();
/// destroy the game singleton
virtual ~GameInterface();
/// initialize the game
virtual void init() = 0;
/// shutdown the game
virtual void shutdown() = 0;
/// run one frame of the game
/** @param sec time since the previous frame, in seconds
*/
virtual void frame (float sec) = 0;
/// a pointer to the current game instance
static GameInterface * instance();
private:
/// game singleton
static GameInterface *gameinterface_instance;
};
}
#endif // __INCLUDED_CORE_GAMEINTERFACE_H__
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