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source: code/trunk/src/network/packet/Gamestate.h @ 3264

Last change on this file since 3264 was 3214, checked in by scheusso, 15 years ago

merged netp5 back to trunk

  • Property svn:eol-style set to native
File size: 4.2 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
39#include "util/CRC32.h"
40#include "network/TrafficControl.h"
41#include "Packet.h"
42
43namespace orxonox {
44
45namespace packet {
46
47class _NetworkExport GamestateHeader{
48  public:
49    GamestateHeader(uint8_t *data){ assert(data); data_ = data; *(uint32_t*)data_ = ENUM::Gamestate; }
50    GamestateHeader(uint8_t *data, GamestateHeader* h)
51    { assert(data); data_=data; memcpy(data_, h->data_, getSize()); }
52    static inline uint32_t getSize()
53    { return 21; }
54
55    inline int32_t getID() const
56    { assert(data_); return *(int32_t*)(data_+4); }
57    inline void setID(int32_t id)
58    { assert(data_); *(int32_t*)(data_+4) = id; }
59
60    inline int32_t getBaseID() const
61    { assert(data_); return *(int32_t*)(data_+8); }
62    inline void setBaseID(int32_t id)
63    { assert(data_); *(int32_t*)(data_+8) = id; }
64
65    inline uint32_t getDataSize() const
66    { assert(data_); return *(uint32_t*)(data_+12); }
67    inline void setDataSize(uint32_t size)
68    { assert(data_); *(uint32_t*)(data_+12) = size; }
69
70    inline uint32_t getCompSize() const
71    { assert(data_); return *(uint32_t*)(data_+16); }
72    inline void setCompSize(uint32_t size)
73    { assert(data_); *(uint32_t*)(data_+16) = size; }
74
75    inline bool isDiffed() const
76    { assert(data_); return *(int8_t*)(data_+20) & 0x1; }
77    inline void setDiffed(bool b)
78    { assert(data_); *(int8_t*)(data_+20) = (b<<0) | (*(int8_t*)(data_+20) & 0x6 ); }
79
80    inline bool isComplete() const
81    { assert(data_); return *(int8_t*)(data_+20) & 0x2; }
82    inline void setComplete(bool b)
83    { assert(data_); *(int8_t*)(data_+20) = (b<<1) | (*(int8_t*)(data_+20) & 0x5 ); }
84
85    inline bool isCompressed() const
86    { assert(data_); return *(int8_t*)(data_+20) & 0x4; }
87    inline void setCompressed(bool b)
88    { assert(data_); *(int8_t*)(data_+20) = (b<<2) | (*(int8_t*)(data_+20) & 0x3 ); }
89
90    inline void operator=(GamestateHeader& h)
91    { assert(data_); assert(h.data_); memcpy( data_, h.data_, getSize()); }
92  private:
93    uint8_t *data_;
94
95};
96
97/**
98        @author Oliver Scheuss
99*/
100class _NetworkExport Gamestate: public Packet{
101  public:
102    Gamestate();
103    Gamestate(uint8_t *data, unsigned int clientID);
104    Gamestate(uint8_t *data);
105    Gamestate(const Gamestate& g);
106
107    ~Gamestate();
108
109    bool collectData(int id, uint8_t mode=0x0);
110    bool spreadData( uint8_t mode=0x0);
111    inline int32_t getID() const { return header_->getID(); }
112    inline bool isDiffed() const { return header_->isDiffed(); }
113    inline bool isCompressed() const { return header_->isCompressed(); }
114    inline int32_t getBaseID() const { return header_->getBaseID(); }
115    Gamestate *diff(Gamestate *base);
116    Gamestate *undiff(Gamestate *base);
117    Gamestate* doSelection(unsigned int clientID, unsigned int targetSize);
118    bool compressData();
119    bool decompressData();
120    bool operator ==(packet::Gamestate gs);
121
122    // Packet functions
123  private:
124    void rawDiff( uint8_t* newdata, uint8_t* data, uint8_t* basedata, uint32_t datalength, uint32_t baselength);
125    virtual uint32_t getSize() const;
126    virtual inline bool process();
127
128  private:
129    uint32_t calcGamestateSize(int32_t id, uint8_t mode=0x0);
130    std::list<obj> dataVector_;
131    GamestateHeader* header_;
132};
133
134}
135
136}
137
138#endif /* _Gamestate_H__ */
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