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source: code/branches/wiimote/src/libraries/network/packet/Gamestate.h @ 12005

Last change on this file since 12005 was 7801, checked in by dafrick, 14 years ago

Merging presentation2 branch back to trunk.

  • Property svn:eol-style set to native
File size: 5.2 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
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29
30#ifndef _Gamestate_H__
31#define _Gamestate_H__
32
33#include "network/NetworkPrereqs.h"
34
35#include <cassert>
36#include <cstring>
37#include <list>
38#include <vector>
39
40#include "util/CRC32.h"
41#include "network/TrafficControl.h"
42#include "Packet.h"
43
44namespace orxonox
45{
46
47namespace packet
48{
49   
50static const uint8_t GAMESTATE_MODE_SERVER = 0x1;
51static const uint8_t GAMESTATE_MODE_CLIENT = 0x2;
52
53class _NetworkExport GamestateHeader
54{
55  public:
56    GamestateHeader(){ data_=0; }
57    GamestateHeader(uint8_t* data)
58      { assert(data); data_ = data; *(uint32_t*)data_ = Type::Gamestate; }
59    /*GamestateHeader(uint8_t* data, GamestateHeader* h)
60      { assert(data); data_=data; memcpy(data_, h->data_, getSize()); }*/
61    void setData(uint8_t* data)
62      { assert(data); data_ = data; *(uint32_t*)data_ = Type::Gamestate; }
63    static inline uint32_t getSize()
64      { return 21; }
65
66    inline uint32_t getID() const
67      { assert(data_); return *(uint32_t*)(data_+4); }
68    inline void setID(uint32_t id)
69      { assert(data_); *(uint32_t*)(data_+4) = id; }
70
71    inline uint32_t getBaseID() const
72      { assert(data_); return *(uint32_t*)(data_+8); }
73    inline void setBaseID(uint32_t id)
74      { assert(data_); *(uint32_t*)(data_+8) = id; }
75
76    inline uint32_t getDataSize() const
77      { assert(data_); return *(uint32_t*)(data_+12); }
78    inline void setDataSize(uint32_t size)
79      { assert(data_); *(uint32_t*)(data_+12) = size; }
80
81    inline uint32_t getCompSize() const
82    { assert(data_); return *(uint32_t*)(data_+16); }
83    inline void setCompSize(uint32_t size)
84    { assert(data_); *(uint32_t*)(data_+16) = size; }
85
86    inline bool isDiffed() const
87      { assert(data_); return *(int8_t*)(data_+20) & 0x1; }
88    inline void setDiffed(bool b)
89      { assert(data_); *(int8_t*)(data_+20) = (b<<0) | (*(int8_t*)(data_+20) & 0x6 ); }
90
91    inline bool isComplete() const
92      { assert(data_); return *(int8_t*)(data_+20) & 0x2; }
93    inline void setComplete(bool b)
94      { assert(data_); *(int8_t*)(data_+20) = (b<<1) | (*(int8_t*)(data_+20) & 0x5 ); }
95
96    inline bool isCompressed() const
97      { assert(data_); return *(int8_t*)(data_+20) & 0x4; }
98    inline void setCompressed(bool b)
99      { assert(data_); *(int8_t*)(data_+20) = (b<<2) | (*(int8_t*)(data_+20) & 0x3 ); }
100
101    inline void operator=(GamestateHeader& h)
102      { assert(data_); assert(h.data_); memcpy( data_, h.data_, getSize()); }
103  private:
104    uint8_t* data_;
105
106};
107
108/**
109    @author Oliver Scheuss
110*/
111class _NetworkExport Gamestate: public Packet
112{
113  public:
114    Gamestate();
115    Gamestate(uint8_t *data, unsigned int clientID);
116    Gamestate(uint8_t *data);
117    Gamestate(const Gamestate& g);
118
119    ~Gamestate();
120
121    bool collectData(int id, uint8_t mode=0x0);
122    bool spreadData( uint8_t mode=0x0);
123    inline uint32_t getID() const { return header_.getID(); }
124    inline bool isDiffed() const { return header_.isDiffed(); }
125    inline bool isCompressed() const { return header_.isCompressed(); }
126    inline int32_t getBaseID() const { return header_.getBaseID(); }
127    inline uint32_t getDataSize() const { return header_.getDataSize(); }
128    Gamestate* diffVariables(Gamestate *base);
129//     Gamestate* diffData(Gamestate *base);
130//     Gamestate *undiff(Gamestate *base);
131//     Gamestate* doSelection(unsigned int clientID, unsigned int targetSize);
132    bool compressData();
133    bool decompressData();
134    bool operator ==(packet::Gamestate gs);
135
136    // Packet functions
137  private:
138//     void rawDiff( uint8_t* newdata, uint8_t* data, uint8_t* basedata, uint32_t datalength, uint32_t baselength);
139//     inline uint32_t findObject( const SynchronisableHeader& header, uint8_t* mem, uint32_t dataLength, uint32_t startPosition = 0 );
140    virtual uint32_t getSize() const;
141    virtual bool process(orxonox::Host* host);
142    uint32_t calcGamestateSize(uint32_t id, uint8_t mode=0x0);
143//     inline void diffObject( uint8_t*& newData, uint8_t*& origData, uint8_t*& baseData, SynchronisableHeader& objectHeader, std::vector<uint32_t>::iterator& sizes );
144//     inline void copyObject( uint8_t*& newData, uint8_t*& origData, uint8_t*& baseData, SynchronisableHeader& objectHeader, std::vector<uint32_t>::iterator& sizes );
145   
146    std::list<obj>          dataVector_;
147    GamestateHeader         header_;
148    std::vector<uint32_t>   sizes_;
149    uint32_t                nrOfVariables_;
150};
151
152}
153
154}
155
156#endif /* _Gamestate_H__ */
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