/*
   core/gameinterface.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__

#include "core/player.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
	GameInterface(const char *game_name = 0);
	/// destroy the game
	virtual ~GameInterface();
	
	/// a pointer to the current game instance
	static GameInterface * instance();
	
	/// true if the game is ready and running
	bool connected;
	
	/// time the game has been running, in seconds
	float current_time;

	/// run one frame of the game
	/// @param sec time since the previous frame, in seconds
	virtual void frame(float seconds) = 0;

	/// initialize the game
	virtual bool init() = 0;
	
	/// shutdown the game
	virtual void shutdown() = 0;

	/// is called when a player connects
	virtual void player_connect(Player &player) = 0;

	/// is called when a player disconnects
	virtual void player_disconnect(Player &player) = 0;
	
	static GameInterface *gameinterface_instance;

	/// the name of the game
	std::string name;
};

}

#endif // __INCLUDED_CORE_GAMEINTERFACE_H__