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source: code/branches/netp2/src/network/GamestateManager.h @ 2948

Last change on this file since 2948 was 2662, checked in by rgrieder, 16 years ago

Merged presentation branch back to trunk.

  • Property svn:eol-style set to native
File size: 2.7 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Oliver Scheuss, (C) 2007
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29//
30// C++ Interface: GamestateManager
31//
32// Description:
33//
34//
35// Author:  Oliver Scheuss, (C) 2007
36//
37// Copyright: See COPYING file that comes with this distribution
38//
39//
40#ifndef _GamestateManager_H__
41#define _GamestateManager_H__
42
43#include "NetworkPrereqs.h"
44#include "GamestateHandler.h"
45#include "TrafficControl.h"
46#include <map>
47
48#include "packet/Gamestate.h"
49
50namespace orxonox
51{
52
53    const int KEEP_GAMESTATES = 10;
54
55  /**
56  * This Class implements a manager for gamestates:
57  * - creating snapshots of gamestates
58  * - writing gamestates to universe
59  * - diffing gamestates
60  * EN/DECODATION:
61  * a: last Gamestate a client has received
62  * b: new Gamestate
63  * x: diffed and compressed gamestate
64  * x=(a^b)
65  * b=(a^x)
66  * diff(a,diff(a,x))=x (hope this is correct)
67  * @author Oliver Scheuss
68  */
69  class _NetworkExport GamestateManager: public GamestateHandler{
70  public:
71    GamestateManager();
72    ~GamestateManager();
73
74    bool add(packet::Gamestate *gs, unsigned int clientID);
75    bool processGamestates();
76    bool update();
77    packet::Gamestate *popGameState(unsigned int clientID);
78
79    bool getSnapshot();
80
81    bool ack(unsigned int gamestateID, unsigned int clientID);
82    void removeClient(ClientInformation *client);
83    private:
84    bool processGamestate(packet::Gamestate *gs);
85
86    std::map<unsigned int, std::map<unsigned int, packet::Gamestate*> > gamestateMap_;
87    //std::map<int, packet::Gamestate*> gamestateMap; //map gsID to gamestate*
88    //std::map<int, int> gamestateUsed; // save the number of clients, that use the specific gamestate
89    std::map<unsigned int, packet::Gamestate*> gamestateQueue;
90    packet::Gamestate *reference;
91    TrafficControl *trafficControl_;
92    unsigned int id_;
93  };
94
95}
96
97#endif /* _GameStateManager_H__ */
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