World.h

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/* Copyright © 2009, 2010 James Legg.
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
*/
#ifndef WORLD_H_
#define WORLD_H_

#include <set>
#include <vector>
#include <ostream>
#include <btBulletDynamicsCommon.h>
#include "TickObserver.h"
#include "../InputReport.h"
#include <libtrack/Track.h>

namespace Engine
{

namespace Physics
{

class World
{
private:
    World & operator=(const World & world);
    World(const World & world);
public:
    World(const Track::Track & track);
    virtual ~World();
    void update(unsigned int milliseconds_elapsed);
    btDiscreteDynamicsWorld & get_dynamics_world();
    void add_tick_observer(TickObserver * observer);
    void remove_tick_observer(TickObserver * observer);
    btCollisionWorld & get_floor_world();
    
    void add_replay_report(const InputReport & report);
    
    void write_replay_events(std::ostream & stream);
    
    unsigned long int get_tick_number();
    
    const Track::Track & get_track();
private:
    const Track::Track & m_track;
    
    btAxisSweep3* broadphase;
    btAxisSweep3* floor_broadphase;
    btDefaultCollisionConfiguration* collisionConfiguration;
    btDefaultCollisionConfiguration* floor_collision_configuration;
    btCollisionDispatcher* dispatcher;
    btCollisionDispatcher* floor_dispatcher;
    btSequentialImpulseConstraintSolver* solver;
    btDiscreteDynamicsWorld* dynamicsWorld;
    btCollisionWorld * floor_world;
    
    std::set<TickObserver *> observers;
    
    int milliseconds_remaining;
    
    struct ReplayEvent
    {
        ReplayEvent(unsigned long int tick_number, const InputReport & report);
        unsigned long int tick_number;
        InputReport report;
    };
    
    std::vector<ReplayEvent> replay_events;
    unsigned long int tick_number;
};

}

}

#endif /*WORLD_H_*/

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