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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();
	
	/// initialize the application
	virtual void init();
	
	/// shutdown the application
	virtual void shutdown();
	
	/// a pointer to the current application instance
	static Application *instance();
	
	/// time the has been connected, in seconds
	float time() const;
	
	/// preloaded game object
	GameInterface *gameinterface_preload;

	/// true if the core is connected to a game module or a remote server
	bool connected() const;

	/// network server instance
	NetServer *netserver;

	/// network client to server connection
	NetConnection netconnection;
	
	/// global application object
	static Application *application_instance;

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

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

protected:
	/// clear all game related objects
	void clear();

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

private:
	/// time the core has been running
	float 			game_time;
};

/// pointer to the current ApplicationInterface
Application *application();

} // namespace core

#endif // __INCLUDED_CORE_APPLICATION_H__