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/*
   core/application.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_APPLICATION_H__
#define __INCLUDED_CORE_APPLICATION_H__

#include "core/commandbuffer.h"
#include "core/netserver.h"
#include "core/netconnection.h"
#include "core/gameinterface.h"

namespace core
{

/// core interface for the client and server Application classes
class Application
{
public:
	/// default constructor
	Application();
	
	/// default destructor
	virtual ~Application();
	
/*-----  inspectors ----------------------------------------------- */	

	/// time the application has been running
	inline float time() const { return application_time; }
	
	/// true if the core is connected to a running game interface
	inline bool connected() const { return (application_game && application_game->running()); }

	/// return the game interface, returns 0 if the pplication is not connected to a game
	inline GameInterface *game() { return application_game; }

/*-----  mutators ------------------------------------------------- */	

	/// start the server or connect to remote host
	void connect(std::string const &host);
	
	/// disconnect from the game module
	void disconnect();

/*-----  virtual mutators ------------------------------------------ */	

	/// initialize the application
	virtual void init(int count, char **arguments);

	/// shutdown the application
	virtual void shutdown();

	/// quit the application without proper shutdown
	virtual void quit(int status);

/*-----  static --------------------------------------------------- */

	/// a pointer to the current application instance
	static inline Application *instance() { return application_instance; }

protected:
	/// run a core frame
	virtual void frame(float seconds);

	/// load cvar config
	void load_config();
	
	/// save cvar config
	void save_config();

	/// load command line arguments
	void load_commandline(int count, char **argments);

private:
	/// time the core has been running
	float 			application_time;
	GameInterface		*application_game;
	static Application	*application_instance;
};

/// pointer to the current Application
inline Application *application() { return Application::instance(); }

/// pointer to the current GameInterface
inline GameInterface *game() { return Application::instance()->game(); }

} // namespace core

#endif // __INCLUDED_CORE_APPLICATION_H__