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/*
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"
#include "core/info.h"
#include "core/inventory.h"
#include "model/vertexarray.h"
namespace core
{
/// abstract interface from the core to the game-specific code
class GameInterface
{
public:
/// create a new game
GameInterface();
/// destroy the game
virtual ~GameInterface();
/// type definition for the Players collection
typedef std::list<Player *> Players;
/*----- inspectors ---------------------------------------------- */
/// return the local player
inline Player *localplayer() {
return &game_localplayer;
}
inline Players & players() {
return game_players;
}
inline const unsigned long playerlist_timestamp() const {
return game_playerlist_timestamp;
}
inline model::VertexArray *vertexarray() {
return game_vertexarray;
}
/// find the first player who's id or name matches the search string
Player *find_player(const std::string &search);
/// show a list of connected players
void list_players();
/// returns true if the game server can run a time frime
inline bool running() const {
return game_running;
}
inline bool error() const {
return !game_running;
}
/// returns true if the game is running an interactive module
inline bool interactive() const {
return game_interactive;
}
/// return the current game time, in seconds
inline float time() const {
return ((float)(game_timestamp) / 1000.0f);
}
/**
* @brief return the current game time, in milliseconds.
* 1000 milliseconds equals one second.
*/
inline unsigned long timestamp() const {
return game_timestamp;
}
/*----- virtual inspectors --------------------------------------- */
/// request info record with id
virtual Info *request_info(const unsigned int id) = 0;
/// request inventory for entity with id
virtual Inventory *request_inventory(Entity *entity) = 0;
/*----- mutators ------------------------------------------------- */
/// clear all game variables, game functions and entities
void clear();
void set_playerlist_timestamp(const unsigned long timestamp);
virtual void abort();
/// run one game time frame
/// @param timestamp current application time
virtual void frame(unsigned long timestamp) = 0;
protected:
/// the local player
static Player game_localplayer;
/// all the players
Players game_players;
model::VertexArray *game_vertexarray;
/// timestamp of the time the playerlist was last changed
unsigned long game_playerlist_timestamp;
void set_timestamp(unsigned long timestamp);
void set_running(const bool running);
void set_interactive(const bool interactive);
private:
bool game_running;
bool game_interactive;
unsigned long game_timestamp;
};
/// global local player instance
Player *localplayer();
/// global local control instance
EntityControlable *localcontrol();
}
#endif // __INCLUDED_CORE_GAMEINTERFACE_H__
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