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source: code/trunk/src/network/GamestateManager.h @ 2310

Last change on this file since 2310 was 2171, checked in by landauf, 16 years ago

merged revisions 2111-2170 from objecthierarchy 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 <map>
46
47#include "packet/Gamestate.h"
48
49namespace orxonox
50{
51
52    const int KEEP_GAMESTATES = 10;
53
54  /**
55  * This Class implements a manager for gamestates:
56  * - creating snapshots of gamestates
57  * - writing gamestates to universe
58  * - diffing gamestates
59  * EN/DECODATION:
60  * a: last Gamestate a client has received
61  * b: new Gamestate
62  * x: diffed and compressed gamestate
63  * x=(a^b)
64  * b=(a^x)
65  * diff(a,diff(a,x))=x (hope this is correct)
66  * @author Oliver Scheuss
67  */
68  class _NetworkExport GamestateManager: public GamestateHandler{
69  public:
70    GamestateManager();
71    ~GamestateManager();
72
73    bool add(packet::Gamestate *gs, unsigned int clientID);
74    bool processGamestates();
75    bool update();
76    packet::Gamestate *popGameState(unsigned int clientID);
77
78    bool getSnapshot();
79
80    bool ack(unsigned int gamestateID, unsigned int clientID);
81    void removeClient(ClientInformation *client);
82    private:
83//     void cleanup(); // "garbage handler"
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    unsigned int id_;
92  };
93
94}
95
96#endif /* _GameStateManager_H__ */
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