1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Oliver Scheuss, (C) 2008 |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | |
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30 | #ifndef NETWORK_PACKETGAMESTATE_H |
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31 | #define NETWORK_PACKETGAMESTATE_H |
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32 | |
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33 | #include "network/NetworkPrereqs.h" |
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34 | |
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35 | #include "Packet.h" |
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36 | #include "network/TrafficControl.h" |
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37 | #include "core/CoreIncludes.h" |
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38 | #include <map> |
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39 | #include <list> |
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40 | #ifndef NDEBUG |
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41 | #include "util/CRC32.h" |
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42 | #endif |
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43 | |
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44 | namespace orxonox { |
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45 | |
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46 | namespace packet { |
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47 | |
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48 | #define GAMESTATE_START(data) (data + sizeof(GamestateHeader)) |
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49 | #define GAMESTATE_HEADER(data) ((GamestateHeader *)data) |
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50 | #define HEADER GAMESTATE_HEADER(data_) |
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51 | |
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52 | struct _NetworkExport GamestateHeader{ |
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53 | ENUM::Type packetType; |
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54 | int32_t id; // id of the gamestate |
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55 | uint32_t compsize; |
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56 | uint32_t datasize; |
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57 | int32_t base_id; // id of the base-gamestate diffed from |
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58 | bool diffed:1; // wheter diffed or not |
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59 | bool complete:1; // wheter it is a complete gamestate or only partial |
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60 | bool compressed:1; |
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61 | }; |
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62 | |
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63 | /** |
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64 | @author Oliver Scheuss |
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65 | */ |
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66 | class _NetworkExport Gamestate: public Packet{ |
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67 | public: |
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68 | Gamestate(); |
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69 | Gamestate(uint8_t *data, unsigned int clientID); |
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70 | Gamestate(uint8_t *data); |
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71 | |
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72 | ~Gamestate(); |
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73 | |
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74 | bool collectData(int id, uint8_t mode=0x0); |
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75 | bool spreadData( uint8_t mode=0x0); |
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76 | inline int32_t getID() const { return HEADER->id; } |
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77 | inline bool isDiffed() const { return HEADER->diffed; } |
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78 | inline bool isCompressed() const { return HEADER->compressed; } |
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79 | inline int32_t getBaseID() const { return HEADER->base_id; } |
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80 | Gamestate *diff(Gamestate *base); |
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81 | Gamestate *undiff(Gamestate *base); |
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82 | Gamestate* doSelection(unsigned int clientID, unsigned int targetSize); |
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83 | bool compressData(); |
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84 | bool decompressData(); |
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85 | |
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86 | // Packet functions |
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87 | private: |
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88 | virtual uint32_t getSize() const; |
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89 | virtual inline bool process(); |
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90 | |
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91 | bool operator ==(packet::Gamestate gs); |
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92 | private: |
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93 | uint32_t calcGamestateSize(int32_t id, uint8_t mode=0x0); |
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94 | std::list<obj> dataMap_; |
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95 | }; |
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96 | |
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97 | } |
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98 | |
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99 | } |
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100 | |
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101 | #endif |
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