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/*
   core/gameserver.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_GAMESERVER_H__
#define __INCLUDED_CORE_GAMESERVER_H__

#include "core/gameinterface.h"
#include "core/message.h"
#include "core/module.h"
#include "core/netserver.h"

namespace core
{

/// the core game server
/** the core game server runs the game module. Network access is enabled
 * for the dedicated server or the client with private server enabled.
 */
class GameServer : public GameInterface
{
public:
	GameServer();
	virtual ~GameServer();

	/*----- inspectors ------------------------------------------------ */

	/// returns true if the game server can run a time frime
	inline bool running() const {
		return server_running;
	}

	/// returns true if the game server can not run a time frime
	inline bool error() const {
		return !server_running;
	}

	/// returns true if the game is running an interactive module
	virtual bool interactive() const;

	/// return the current game time in seconds
	virtual float time() const;

	/// return the current game time
	virtual unsigned long timestamp() const;

	/// current module
	inline const Module *module() const {
		return server_module;
	}

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

	/// is called when a player connects to the game server
	void player_connect(Player *player);

	/// is  called when a player disconnects from the game server
	void player_disconnect(Player *player);

	/// run a game server time frame
	void frame(unsigned long timestamp);

	/// a player sends a chat message to the public channel
	void say(Player *player, std::string const &args);

	/// a player sends a private message to another player
	void private_message(Player *player, std::string const &args);

	/// kick a player from the server
	void kick(Player *player, std::string const &reason);

	/// broadcast an Info message to all players
	void broadcast(std::string const message, Player *ignore_player = 0);

	/// broadcast a message to all players on a specified channel
	void broadcast(Message::Channel const channel, std::string const message, Player *ignore_player = 0);

	/// broadcast a sound to all players
	void broadcast_sound(std::string const sound, Player *ignore_player = 0);

	/// a player sends a command to the game server
	void exec(Player *player, std::string const &cmdline);

	/// time the server was started
	inline const unsigned long startup() const {
		return server_startup;
	}

	/// returns an info record
	Info *info(const std::string &label);

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

	/// return the current game server
	static inline GameServer *instance() {
		return server_instance;
	}

protected:
	/// abort runing
	void abort();

private:
	void			load_config();
	void			save_config();
	bool			server_running;
	Module			*server_module;
	static GameServer	*server_instance;
	NetServer		*server_network;

	unsigned int		server_maxplayerid;

	unsigned long		server_timestamp;
	unsigned long		server_previoustime;
	unsigned long		server_startup;
};

inline GameServer *server()
{
	return GameServer::instance();
}

}

#endif // __INCLUDED_CORE_GAMESERVER_H__