[6067] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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| 12 | main-programmer: Benjamin Wuest |
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| 13 | co-programmer: ... |
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| 14 | */ |
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| 15 | |
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| 16 | |
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| 17 | /* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_NETWORK module |
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| 18 | For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput |
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| 19 | */ |
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| 20 | #define DEBUG_MODULE_NETWORK |
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| 21 | |
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[6341] | 22 | #include "factory.h" |
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| 23 | #include "network_stream.h" |
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| 24 | #include "converter.h" |
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| 25 | |
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[6424] | 26 | #include "p_node.h" |
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[6498] | 27 | #include "state.h" |
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| 28 | #include "game_world.h" |
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| 29 | #include "world_entity.h" |
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| 30 | #include "playable.h" |
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| 31 | #include "player.h" |
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| 32 | #include "network_manager.h" |
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[6424] | 33 | |
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| 34 | |
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[6067] | 35 | /* include your own header */ |
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[6116] | 36 | #include "network_game_manager.h" |
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[6067] | 37 | |
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| 38 | |
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| 39 | /* using namespace std is default, this needs to be here */ |
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| 40 | using namespace std; |
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| 41 | |
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[6341] | 42 | NetworkGameManager* NetworkGameManager::singletonRef = NULL; |
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| 43 | |
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[6067] | 44 | /*! |
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| 45 | * Standard constructor |
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| 46 | */ |
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[6116] | 47 | NetworkGameManager::NetworkGameManager() |
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[6067] | 48 | { |
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[6341] | 49 | PRINTF(0)("START\n"); |
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| 50 | |
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[6067] | 51 | /* set the class id for the base object */ |
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[6341] | 52 | this->setClassID(CL_NETWORK_GAME_MANAGER, "NetworkGameManager"); |
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| 53 | |
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| 54 | allOutBuffer.length = 0; |
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| 55 | |
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| 56 | allOutBuffer.maxLength = 10*1024; |
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| 57 | |
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| 58 | allOutBuffer.buffer = new byte[10*1024]; |
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| 59 | |
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| 60 | newUniqueID = MAX_CONNECTIONS + 2; |
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| 61 | |
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| 62 | hasRequestedWorld = false; |
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[6067] | 63 | } |
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| 64 | |
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| 65 | /*! |
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| 66 | * Standard destructor |
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| 67 | */ |
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[6116] | 68 | NetworkGameManager::~NetworkGameManager() |
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[6067] | 69 | { |
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[6341] | 70 | for ( int i = 0; i<outBuffer.size(); i++) |
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| 71 | { |
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| 72 | if ( outBuffer[i].buffer ) |
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| 73 | delete outBuffer[i].buffer; |
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| 74 | } |
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| 75 | |
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| 76 | if ( allOutBuffer.buffer ) |
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| 77 | delete allOutBuffer.buffer; |
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[6067] | 78 | } |
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| 79 | |
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| 80 | |
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[6341] | 81 | int NetworkGameManager::writeBytes(const byte* data, int length, int sender) |
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[6067] | 82 | { |
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[6341] | 83 | int i = 0; |
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| 84 | byte b; |
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| 85 | |
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| 86 | while ( i<length ) |
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| 87 | { |
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| 88 | b = data[i++]; |
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| 89 | |
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| 90 | if ( isServer() ) |
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| 91 | { |
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| 92 | if ( b == REQUEST_CREATE ) |
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| 93 | { |
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| 94 | if ( !handleRequestCreate( i, data, length, sender ) ) |
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| 95 | return i; |
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| 96 | continue; |
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| 97 | } |
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| 98 | if ( b == REQUEST_REMOVE ) |
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| 99 | { |
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| 100 | if ( !handleRequestRemove( i, data, length, sender ) ) |
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| 101 | return i; |
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| 102 | continue; |
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| 103 | } |
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| 104 | } |
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| 105 | else |
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| 106 | { |
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| 107 | if ( b == CREATE_ENTITY ) |
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| 108 | { |
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| 109 | if ( !handleCreateEntity( i, data, length, sender ) ) |
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| 110 | return i; |
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| 111 | continue; |
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| 112 | } |
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| 113 | if ( b == REMOVE_ENTITY ) |
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| 114 | { |
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| 115 | if ( !handleRemoveEntity( i, data, length, sender ) ) |
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| 116 | return i; |
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| 117 | continue; |
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| 118 | } |
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| 119 | if ( b == CREATE_ENTITY_LIST ) |
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| 120 | { |
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| 121 | if ( !handleCreateEntityList( i, data, length, sender ) ) |
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| 122 | return i; |
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| 123 | continue; |
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| 124 | } |
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| 125 | if ( b == REMOVE_ENTITY_LIST ) |
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| 126 | { |
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| 127 | if ( !handleRemoveEntityList( i, data, length, sender ) ) |
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| 128 | return i; |
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| 129 | continue; |
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| 130 | } |
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| 131 | if ( b == YOU_ARE_ENTITY ) |
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| 132 | { |
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| 133 | if ( !handleYouAreEntity( i, data, length, sender ) ) |
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| 134 | return i; |
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| 135 | continue; |
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| 136 | } |
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| 137 | } |
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| 138 | |
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| 139 | if ( b == REQUEST_SYNC ) |
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| 140 | { |
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| 141 | if ( !handleRequestSync( i, data, length, sender ) ) |
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| 142 | return i; |
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| 143 | continue; |
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| 144 | } |
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| 145 | |
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| 146 | if ( b == REQUEST_ENTITY_LIST ) |
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| 147 | { |
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| 148 | sendEntityList( sender ); |
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| 149 | continue; |
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| 150 | } |
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| 151 | |
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| 152 | //if we get her something with data is wrong |
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| 153 | PRINTF(1)("Data is not in the right format! i=%d\n", i); |
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| 154 | return i; |
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| 155 | } |
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| 156 | |
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| 157 | return i; |
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[6067] | 158 | } |
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| 159 | |
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[6116] | 160 | int NetworkGameManager::readBytes(byte* data, int maxLength, int * reciever) |
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[6067] | 161 | { |
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[6341] | 162 | if ( !isServer() && !hasRequestedWorld ) |
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| 163 | { |
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| 164 | SYNCHELP_WRITE_BEGIN(); |
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| 165 | byte b = REQUEST_ENTITY_LIST; |
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| 166 | SYNCHELP_WRITE_BYTE( b ); |
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| 167 | hasRequestedWorld = true; |
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| 168 | return SYNCHELP_WRITE_N; |
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| 169 | } |
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[6498] | 170 | |
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[6341] | 171 | for ( int i = 0; i<outBuffer.size(); i++ ) |
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| 172 | { |
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| 173 | *reciever = i; |
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| 174 | if ( outBuffer[i].length>0 ) |
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| 175 | { |
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| 176 | int nbytes = outBuffer[i].length; |
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| 177 | outBuffer[i].length = 0; |
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| 178 | |
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| 179 | if ( nbytes > maxLength ) |
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| 180 | { |
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| 181 | PRINTF(1)("OutBuffer.length (%d) > (%d) networkStreamBuffer.maxLength\n", nbytes, maxLength); |
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| 182 | return 0; |
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| 183 | } |
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| 184 | |
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| 185 | memcpy(data, outBuffer[i].buffer, nbytes); |
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| 186 | return nbytes; |
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| 187 | } |
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| 188 | } |
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| 189 | |
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| 190 | *reciever = 0; |
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| 191 | int nbytes = allOutBuffer.length; |
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| 192 | allOutBuffer.length = 0; |
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| 193 | |
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| 194 | if ( nbytes <=0 ) |
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| 195 | return 0; |
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| 196 | |
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| 197 | if ( nbytes > maxLength ) |
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| 198 | { |
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| 199 | PRINTF(1)("OutBuffer.length (%d) > (%d) networkStreamBuffer.length\n", nbytes, maxLength); |
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| 200 | return 0; |
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| 201 | } |
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| 202 | |
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| 203 | memcpy( data, allOutBuffer.buffer, nbytes ); |
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| 204 | return nbytes; |
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[6067] | 205 | } |
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| 206 | |
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[6116] | 207 | void NetworkGameManager::writeDebug() const |
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[6067] | 208 | { |
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| 209 | } |
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| 210 | |
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[6116] | 211 | void NetworkGameManager::readDebug() const |
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[6067] | 212 | { |
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| 213 | } |
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| 214 | |
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| 215 | |
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| 216 | /*! |
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| 217 | * Checks whether this is connected to a server or a client |
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[6341] | 218 | * and afterwards creates the needed entity |
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[6067] | 219 | * @param classID: The ID of the class of which an entity should be created |
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| 220 | */ |
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[6498] | 221 | int NetworkGameManager::createEntity( ClassID classID, int owner ) |
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[6067] | 222 | { |
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[6498] | 223 | |
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[6341] | 224 | if ( this->isServer() ) |
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| 225 | { |
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| 226 | if ( newUniqueID < 0 ) |
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| 227 | { |
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| 228 | PRINTF(1)("Cannot create entity! There are no more uniqueIDs left!\n"); |
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[6498] | 229 | return -1; |
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[6341] | 230 | } |
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| 231 | |
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[6498] | 232 | return this->executeCreateEntity( classID, newUniqueID++, owner ); |
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[6341] | 233 | } |
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| 234 | else |
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| 235 | { |
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| 236 | this->requestCreateEntity( classID ); |
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[6498] | 237 | return -1; |
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[6341] | 238 | } |
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[6067] | 239 | } |
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| 240 | |
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[6341] | 241 | |
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[6067] | 242 | /*! |
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| 243 | * Checks whether this is connected to a server or a client |
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[6341] | 244 | * and afterwards creates the needed entity |
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| 245 | * @param classID: The ID of the class of which an entity should be created |
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| 246 | */ |
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[6424] | 247 | BaseObject* NetworkGameManager::createEntity(const TiXmlElement* element) |
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[6341] | 248 | { |
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| 249 | if ( this->isServer() ) |
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| 250 | { |
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| 251 | if ( newUniqueID < 0 ) |
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| 252 | { |
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| 253 | PRINTF(1)("Cannot create entity! There are no more uniqueIDs left!\n"); |
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| 254 | return NULL; |
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| 255 | } |
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| 256 | newUniqueID++; |
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| 257 | |
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| 258 | BaseObject * b = Factory::fabricate( element ); |
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| 259 | |
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| 260 | if ( !b ) |
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| 261 | { |
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[6424] | 262 | PRINTF(1)("Could not fabricate Object with className %s\n", element->Value() ); |
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[6341] | 263 | return NULL; |
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| 264 | } |
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| 265 | |
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| 266 | |
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| 267 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
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| 268 | { |
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| 269 | Synchronizeable * s = dynamic_cast<Synchronizeable*>(b); |
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| 270 | s->setUniqueID( newUniqueID ); |
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| 271 | s->setOwner( 0 ); |
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| 272 | this->networkStream->connectSynchronizeable( *s ); |
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| 273 | return b; |
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| 274 | } |
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| 275 | else |
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| 276 | { |
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| 277 | PRINTF(1)("Class %s is not a synchronizeable!\n", b->getClassName() ); |
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| 278 | delete b; |
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| 279 | } |
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[6498] | 280 | |
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[6341] | 281 | } |
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| 282 | else |
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| 283 | { |
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| 284 | PRINTF(1)("This node is not a server and cannot create id %x\n", element->Value()); |
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| 285 | } |
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| 286 | return NULL; |
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| 287 | } |
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| 288 | |
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| 289 | |
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| 290 | /*! |
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| 291 | * Checks whether this is connected to a server or a client |
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[6067] | 292 | * and afterwards removes the specified entity |
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| 293 | * @param uniqueID: The ID of the entity object which should be removed |
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| 294 | */ |
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[6116] | 295 | void NetworkGameManager::removeEntity(int uniqueID) |
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[6067] | 296 | { |
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[6341] | 297 | if ( this->isServer() ) |
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| 298 | { |
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| 299 | this->executeRemoveEntity( uniqueID ); |
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| 300 | } |
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| 301 | else |
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| 302 | { |
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| 303 | this->requestRemoveEntity( uniqueID ); |
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| 304 | } |
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[6067] | 305 | } |
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| 306 | |
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| 307 | |
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| 308 | |
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| 309 | /*! |
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| 310 | * Creates the needed entity on the server if possible |
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| 311 | * @param classID: The ID of the class of which an entity should be created |
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| 312 | */ |
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[6341] | 313 | void NetworkGameManager::requestCreateEntity(ClassID classID) |
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[6067] | 314 | { |
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[6341] | 315 | if ( !writeToClientBuffer( allOutBuffer, (byte)REQUEST_CREATE ) ) |
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| 316 | return; |
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| 317 | if ( !writeToClientBuffer( allOutBuffer, (int)classID ) ) |
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| 318 | return; |
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[6067] | 319 | } |
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| 320 | |
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| 321 | /*! |
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| 322 | * Removes the specified entity on the server |
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| 323 | * @param uniqueID: The ID of the entity object which should be removed |
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| 324 | */ |
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[6116] | 325 | void NetworkGameManager::requestRemoveEntity(int uniqueID) |
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[6067] | 326 | { |
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[6341] | 327 | if ( !writeToClientBuffer( allOutBuffer, (byte)REQUEST_REMOVE ) ) |
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| 328 | return; |
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| 329 | if ( !writeToClientBuffer( allOutBuffer, uniqueID ) ) |
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| 330 | return; |
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[6067] | 331 | } |
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| 332 | |
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| 333 | /*! |
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| 334 | * Creates the needed entity if possible |
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| 335 | * This function is called if this is a server |
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| 336 | * @param classID: The ID of the class of which an entity should be created |
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| 337 | */ |
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[6498] | 338 | int NetworkGameManager::executeCreateEntity(ClassID classID, int uniqueID, int owner) |
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[6067] | 339 | { |
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[6341] | 340 | if ( !writeToClientBuffer( allOutBuffer, (byte)CREATE_ENTITY ) ) |
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[6498] | 341 | return -1; |
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[6341] | 342 | if ( !writeToClientBuffer( allOutBuffer, (int)classID ) ) |
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[6498] | 343 | return -1; |
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[6341] | 344 | if ( !writeToClientBuffer( allOutBuffer, uniqueID ) ) |
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[6498] | 345 | return -1; |
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[6341] | 346 | if ( !writeToClientBuffer( allOutBuffer, owner ) ) |
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[6498] | 347 | return -1; |
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[6341] | 348 | |
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| 349 | doCreateEntity( classID, uniqueID, owner ); |
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[6498] | 350 | |
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| 351 | return uniqueID; |
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[6067] | 352 | } |
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| 353 | |
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| 354 | /*! |
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| 355 | * Removes the specified entity |
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| 356 | * This function is called if this is a server |
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| 357 | * @param uniqueID: The ID of the entity object which should be removed |
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| 358 | */ |
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[6116] | 359 | void NetworkGameManager::executeRemoveEntity(int uniqueID) |
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[6067] | 360 | { |
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[6341] | 361 | if ( !writeToClientBuffer( allOutBuffer, (byte)REMOVE_ENTITY ) ) |
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| 362 | return; |
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| 363 | if ( !writeToClientBuffer( allOutBuffer, uniqueID ) ) |
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| 364 | return; |
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| 365 | |
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| 366 | doRemoveEntity(uniqueID); |
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[6067] | 367 | } |
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| 368 | |
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| 369 | /*! |
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| 370 | * Checks whether it is possible to create an entity of a given class |
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| 371 | * @return: true if the entity can be created, false otherwise |
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| 372 | */ |
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[6341] | 373 | bool NetworkGameManager::canCreateEntity(ClassID classID) |
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[6067] | 374 | { |
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[6341] | 375 | return true; |
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[6067] | 376 | } |
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[6341] | 377 | |
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| 378 | /*! |
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| 379 | * Sends the Entities to the new connected client |
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| 380 | * @param userID: The ID of the user |
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| 381 | */ |
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| 382 | void NetworkGameManager::sendEntityList( int userID ) |
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| 383 | { |
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| 384 | if ( !isServer() ) |
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| 385 | return; |
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| 386 | |
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| 387 | if ( userID >= outBuffer.size() ) |
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| 388 | resizeBufferVector( userID ); |
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| 389 | |
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| 390 | SynchronizeableList::const_iterator it, e; |
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| 391 | |
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| 392 | it = this->networkStream->getSyncBegin(); |
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| 393 | e = this->networkStream->getSyncEnd(); |
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| 394 | |
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| 395 | if ( !writeToClientBuffer( outBuffer[userID], (byte)CREATE_ENTITY_LIST ) ) |
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| 396 | return; |
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| 397 | |
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| 398 | // -2 because you must not send network_game_manager and handshake |
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| 399 | if ( !writeToClientBuffer( outBuffer[userID], networkStream->getSyncCount() ) ) |
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| 400 | return; |
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| 401 | |
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| 402 | //PRINTF(0)("SendEntityList: n = %d\n", networkStream->getSyncCount()-2 ); |
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| 403 | |
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[6424] | 404 | int n = 0; |
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| 405 | |
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[6341] | 406 | while ( it != e ) |
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| 407 | { |
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| 408 | |
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| 409 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getLeafClassID()) ) ) |
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| 410 | return; |
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| 411 | |
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| 412 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getUniqueID()) ) ) |
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| 413 | return; |
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| 414 | |
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| 415 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getOwner()) ) ) |
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| 416 | return; |
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| 417 | |
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[6498] | 418 | it++; |
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| 419 | } |
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[6424] | 420 | |
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[6498] | 421 | signalNewPlayer( userID ); |
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| 422 | } |
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[6424] | 423 | |
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| 424 | |
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| 425 | |
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[6498] | 426 | bool NetworkGameManager::signalNewPlayer(int userId) |
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| 427 | { |
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[6341] | 428 | |
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[6498] | 429 | /* create new playable for Player*/ |
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| 430 | PRINTF(0)("Request for creation: %i\n", userId); |
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| 431 | int uniqueId = this->createEntity(CL_SPACE_SHIP, userId); |
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| 432 | PRINTF(0)("Request for creation: userid: %i, uniqueid: %i\n", userId, uniqueId); |
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| 433 | this->sendYouAre(uniqueId, userId); |
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[6341] | 434 | |
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| 435 | } |
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| 436 | |
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[6498] | 437 | |
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[6341] | 438 | /** |
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| 439 | * Creates a buffer for user n |
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| 440 | * @param n The ID of the user |
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| 441 | */ |
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| 442 | void NetworkGameManager::resizeBufferVector( int n ) |
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| 443 | { |
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| 444 | for ( int i = outBuffer.size(); i<=n; i++) |
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| 445 | { |
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| 446 | clientBuffer outBuf; |
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| 447 | |
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| 448 | outBuf.length = 0; |
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| 449 | |
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| 450 | outBuf.maxLength = 5*1024; |
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| 451 | |
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| 452 | outBuf.buffer = new byte[5*1014]; |
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| 453 | |
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| 454 | outBuffer.push_back(outBuf); |
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| 455 | } |
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| 456 | } |
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| 457 | |
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| 458 | /** |
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| 459 | * Creates the entity on this host |
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| 460 | * @param classID: ClassID of the entity to create |
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| 461 | * @param uniqueID: Unique ID to assign to the synchronizeable |
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| 462 | * @param owner: owner of this synchronizealbe |
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| 463 | */ |
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[6424] | 464 | BaseObject* NetworkGameManager::doCreateEntity( ClassID classID, int uniqueID, int owner ) |
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[6341] | 465 | { |
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| 466 | BaseObject * b = Factory::fabricate( classID ); |
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| 467 | |
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| 468 | if ( !b ) |
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| 469 | { |
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| 470 | PRINTF(1)("Could not fabricate Object with classID %x\n", classID); |
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[6424] | 471 | return NULL; |
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[6341] | 472 | } |
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| 473 | |
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| 474 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
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| 475 | { |
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| 476 | Synchronizeable * s = dynamic_cast<Synchronizeable*>(b); |
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| 477 | s->setUniqueID( uniqueID ); |
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| 478 | s->setOwner( owner ); |
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| 479 | this->networkStream->connectSynchronizeable( *s ); |
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| 480 | if ( !isServer() ) |
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| 481 | s->setIsOutOfSync( true ); |
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| 482 | PRINTF(0)("Fabricated %s with id %d\n", s->getClassName(), s->getUniqueID()); |
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[6498] | 483 | |
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| 484 | //HACK: hack to prevent collision |
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| 485 | if ( b->isA(CL_WORLD_ENTITY) ) |
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| 486 | { |
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| 487 | if ( NetworkManager::getInstance()->getHostID()!=0 ) |
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| 488 | { |
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| 489 | static Vector pos = Vector(1000.0, 1000.0, 1000.0); |
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| 490 | PNode *p = dynamic_cast<PNode*>(b); |
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| 491 | p->setRelCoor(pos); |
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| 492 | p->updateNode(0); |
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| 493 | pos += Vector(1000.0, 1000.0, 1000.0); |
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| 494 | } |
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| 495 | } |
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| 496 | |
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[6424] | 497 | return b; |
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[6341] | 498 | } |
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| 499 | else |
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| 500 | { |
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| 501 | PRINTF(1)("Class with ID %x is not a synchronizeable!", (int)classID); |
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| 502 | delete b; |
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| 503 | } |
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[6424] | 504 | return NULL; |
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[6341] | 505 | } |
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| 506 | |
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| 507 | /** |
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| 508 | * Removes a entity on this host |
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| 509 | * @param uniqueID: unique ID assigned with the entity to remove |
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| 510 | */ |
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| 511 | void NetworkGameManager::doRemoveEntity( int uniqueID ) |
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| 512 | { |
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| 513 | SynchronizeableList::const_iterator it,e; |
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| 514 | it = this->networkStream->getSyncBegin(); |
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| 515 | e = this->networkStream->getSyncEnd(); |
---|
| 516 | |
---|
| 517 | while ( it != e ) |
---|
| 518 | { |
---|
| 519 | if ( (*it)->getUniqueID() == uniqueID ) |
---|
| 520 | { |
---|
| 521 | delete *it; |
---|
| 522 | break; |
---|
| 523 | } |
---|
| 524 | it++; |
---|
| 525 | } |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | /** |
---|
| 529 | * Tell the synchronizeable that a user's synchronizeable is out of sync |
---|
| 530 | * @param uniqueID: unique ID assigned with the entity which is out of sync |
---|
| 531 | * @param userID: user ID who's synchronizeable is out of sync |
---|
| 532 | */ |
---|
| 533 | void NetworkGameManager::doRequestSync( int uniqueID, int userID ) |
---|
| 534 | { |
---|
| 535 | SynchronizeableList::const_iterator it,e; |
---|
| 536 | it = this->networkStream->getSyncBegin(); |
---|
| 537 | e = this->networkStream->getSyncEnd(); |
---|
| 538 | |
---|
| 539 | while ( it != e ) |
---|
| 540 | { |
---|
| 541 | if ( (*it)->getUniqueID() == uniqueID ) |
---|
| 542 | { |
---|
| 543 | (*it)->requestSync( userID ); |
---|
| 544 | break; |
---|
| 545 | } |
---|
| 546 | it++; |
---|
| 547 | } |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | /** |
---|
| 551 | * Copies length bytes to the clientBuffer with error checking |
---|
| 552 | * @param clientBuffer: the clientBuffer to write to |
---|
| 553 | * @param data: buffer to the data |
---|
| 554 | * @param length: length of data |
---|
| 555 | * @return false on error true else |
---|
| 556 | */ |
---|
| 557 | bool NetworkGameManager::writeToClientBuffer( clientBuffer &cb, byte * data, int length ) |
---|
| 558 | { |
---|
| 559 | if ( length > cb.maxLength-cb.length ) |
---|
| 560 | { |
---|
| 561 | PRINTF(1)("No space left in clientBuffer\n"); |
---|
| 562 | return false; |
---|
| 563 | } |
---|
| 564 | |
---|
| 565 | memcpy( cb.buffer+cb.length, data, length ); |
---|
| 566 | return true; |
---|
| 567 | } |
---|
| 568 | |
---|
| 569 | /** |
---|
| 570 | * Reads data from clientBuffer with error checking |
---|
| 571 | * @param clientBuffer: the clientBuffer to read from |
---|
| 572 | * @param data: pointer to the buffer |
---|
| 573 | * @param length: |
---|
| 574 | * @return |
---|
| 575 | */ |
---|
| 576 | bool NetworkGameManager::readFromClientBuffer( clientBuffer &cb, byte * data, int length ) |
---|
| 577 | { |
---|
| 578 | if ( cb.length < length ) |
---|
| 579 | { |
---|
| 580 | PRINTF(0)("There is not enough data in clientBuffer\n"); |
---|
| 581 | return 0; |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | memcpy( data, cb.buffer+cb.length-length, length ); |
---|
| 585 | return true; |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | /** |
---|
| 589 | * Tells this client that he has to control this entity |
---|
| 590 | * @param uniqueID: the entity's uniqeID |
---|
| 591 | */ |
---|
| 592 | void NetworkGameManager::doYouAre( int uniqueID ) |
---|
| 593 | { |
---|
[6498] | 594 | |
---|
| 595 | SynchronizeableList::const_iterator it = this->networkStream->getSyncBegin(); |
---|
| 596 | |
---|
| 597 | Playable *p = NULL; |
---|
| 598 | |
---|
| 599 | for ( ; it !=networkStream->getSyncEnd(); it++ ) |
---|
| 600 | { |
---|
| 601 | if ( (*it)->getUniqueID()==uniqueID ) |
---|
| 602 | { |
---|
| 603 | if ( (*it)->isA( CL_PLAYABLE ) ) |
---|
| 604 | { |
---|
| 605 | p = dynamic_cast<Playable*>(*it); |
---|
| 606 | break; |
---|
| 607 | } else |
---|
| 608 | { |
---|
| 609 | PRINTF(1)("UniqueID is not a Playable\n"); |
---|
| 610 | } |
---|
| 611 | } |
---|
| 612 | } |
---|
| 613 | |
---|
| 614 | Player* player = State::getPlayer(); |
---|
| 615 | assert(p != NULL); |
---|
| 616 | assert(player != NULL); |
---|
| 617 | |
---|
| 618 | player->setControllable(p); |
---|
| 619 | |
---|
| 620 | |
---|
[6341] | 621 | } |
---|
| 622 | |
---|
| 623 | /** |
---|
| 624 | * Tells a remote client that he has to control this entity |
---|
| 625 | * @param uniqueID: the entity's uniqeID |
---|
| 626 | * @param userID: the users ID |
---|
| 627 | */ |
---|
| 628 | void NetworkGameManager::sendYouAre( int uniqueID, int userID ) |
---|
| 629 | { |
---|
| 630 | if ( !isServer() ) |
---|
| 631 | return; |
---|
| 632 | |
---|
| 633 | if ( userID != 0 ) |
---|
| 634 | { |
---|
| 635 | if ( !writeToClientBuffer( outBuffer[userID], (byte)YOU_ARE_ENTITY ) ) |
---|
| 636 | return; |
---|
| 637 | |
---|
| 638 | if ( !writeToClientBuffer( outBuffer[userID], uniqueID ) ) |
---|
| 639 | return; |
---|
| 640 | } |
---|
| 641 | else |
---|
| 642 | { |
---|
| 643 | doYouAre(uniqueID); |
---|
| 644 | } |
---|
| 645 | } |
---|
| 646 | |
---|
| 647 | bool NetworkGameManager::handleRequestCreate( int & i, const byte * data, int length, int sender ) |
---|
| 648 | { |
---|
| 649 | if ( INTSIZE > length-i ) |
---|
| 650 | { |
---|
| 651 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
| 652 | return false; |
---|
| 653 | } |
---|
| 654 | int classID; |
---|
| 655 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
| 656 | |
---|
| 657 | createEntity( (ClassID)classID ); |
---|
| 658 | |
---|
| 659 | return true; |
---|
| 660 | } |
---|
| 661 | |
---|
| 662 | bool NetworkGameManager::handleRequestRemove( int & i, const byte * data, int length, int sender ) |
---|
| 663 | { |
---|
| 664 | if ( INTSIZE > length-i ) |
---|
| 665 | { |
---|
| 666 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
| 667 | return false; |
---|
| 668 | } |
---|
| 669 | int uniqueID; |
---|
| 670 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
| 671 | |
---|
| 672 | removeEntity( uniqueID ); |
---|
| 673 | |
---|
| 674 | return true; |
---|
| 675 | } |
---|
| 676 | |
---|
| 677 | bool NetworkGameManager::handleCreateEntity( int & i, const byte * data, int length, int sender ) |
---|
| 678 | { |
---|
| 679 | if ( INTSIZE > length-i ) |
---|
| 680 | { |
---|
| 681 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
| 682 | return false; |
---|
| 683 | } |
---|
| 684 | int classID; |
---|
| 685 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
| 686 | |
---|
| 687 | if ( INTSIZE > length-i ) |
---|
| 688 | { |
---|
| 689 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
| 690 | return false; |
---|
| 691 | } |
---|
| 692 | int uniqueID; |
---|
| 693 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
| 694 | |
---|
| 695 | if ( INTSIZE > length-i ) |
---|
| 696 | { |
---|
| 697 | PRINTF(1)("Cannot read owner from buffer! Not enough data left!\n"); |
---|
| 698 | return false; |
---|
| 699 | } |
---|
| 700 | int owner; |
---|
| 701 | i += Converter::byteArrayToInt( &data[i], &owner ); |
---|
| 702 | |
---|
| 703 | doCreateEntity( (ClassID)classID, uniqueID, owner ); |
---|
| 704 | |
---|
| 705 | return true; |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | bool NetworkGameManager::handleRemoveEntity( int & i, const byte * data, int length, int sender ) |
---|
| 709 | { |
---|
| 710 | if ( INTSIZE > length-i ) |
---|
| 711 | { |
---|
| 712 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
| 713 | return false; |
---|
| 714 | } |
---|
| 715 | int uniqueID; |
---|
| 716 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
| 717 | |
---|
| 718 | doRemoveEntity( uniqueID ); |
---|
| 719 | |
---|
| 720 | return true; |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | bool NetworkGameManager::handleCreateEntityList( int & i, const byte * data, int length, int sender ) |
---|
| 724 | { |
---|
| 725 | if ( INTSIZE > length-i ) |
---|
| 726 | { |
---|
| 727 | PRINTF(1)("Cannot read n from buffer! Not enough data left!\n"); |
---|
| 728 | return false; |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | PRINTF(0)("HandleCreateEntityList: data[i..i+3] = %d %d %d %d\n", data[i], data[i+1], data[i+2], data[i+3]); |
---|
| 732 | |
---|
| 733 | int n; |
---|
| 734 | i += Converter::byteArrayToInt( &data[i], &n ); |
---|
| 735 | |
---|
| 736 | |
---|
| 737 | PRINTF(0)("HandleCreateEntityList: n = %d\n", n); |
---|
| 738 | |
---|
| 739 | int classID, uniqueID, owner; |
---|
| 740 | |
---|
| 741 | for ( int j = 0; j<n; j++ ) |
---|
| 742 | { |
---|
| 743 | |
---|
| 744 | if ( INTSIZE > length-i ) |
---|
| 745 | { |
---|
| 746 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
| 747 | return false; |
---|
| 748 | } |
---|
| 749 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
| 750 | |
---|
| 751 | if ( INTSIZE > length-i ) |
---|
| 752 | { |
---|
| 753 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
| 754 | return false; |
---|
| 755 | } |
---|
| 756 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
| 757 | |
---|
| 758 | if ( INTSIZE > length-i ) |
---|
| 759 | { |
---|
| 760 | PRINTF(1)("Cannot read owner from buffer! Not enough data left!\n"); |
---|
| 761 | return false; |
---|
| 762 | } |
---|
| 763 | i += Converter::byteArrayToInt( &data[i], &owner ); |
---|
| 764 | |
---|
| 765 | if ( classID != CL_NETWORK_GAME_MANAGER && classID != CL_HANDSHAKE ) |
---|
[6424] | 766 | { |
---|
| 767 | BaseObject* b = doCreateEntity( (ClassID)classID, uniqueID, owner ); |
---|
[6341] | 768 | |
---|
[6424] | 769 | /*if ( b != NULL ) |
---|
| 770 | { |
---|
| 771 | if ( b->isA(CL_WORLD_ENTITY) ) |
---|
| 772 | { |
---|
| 773 | int n = dynamic_cast<WorldEntity*>(b)->writeState( data, length, sender ); |
---|
| 774 | |
---|
| 775 | i += n; |
---|
| 776 | } |
---|
| 777 | }*/ |
---|
| 778 | } |
---|
| 779 | |
---|
[6341] | 780 | } |
---|
[6424] | 781 | |
---|
[6341] | 782 | return true; |
---|
| 783 | } |
---|
| 784 | |
---|
| 785 | bool NetworkGameManager::handleRemoveEntityList( int & i, const byte * data, int length, int sender ) |
---|
| 786 | { |
---|
| 787 | if ( INTSIZE > length-i ) |
---|
| 788 | { |
---|
| 789 | PRINTF(1)("Cannot read n from buffer! Not enough data left!\n"); |
---|
| 790 | return false; |
---|
| 791 | } |
---|
| 792 | int n; |
---|
| 793 | i += Converter::byteArrayToInt( &data[i], &n ); |
---|
| 794 | |
---|
| 795 | int uniqueID; |
---|
| 796 | |
---|
| 797 | for ( int j = 0; j<n; j++ ) |
---|
| 798 | { |
---|
| 799 | |
---|
| 800 | if ( INTSIZE > length-i ) |
---|
| 801 | { |
---|
| 802 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
| 803 | return false; |
---|
| 804 | } |
---|
| 805 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
| 806 | |
---|
| 807 | doRemoveEntity( uniqueID ); |
---|
| 808 | } |
---|
| 809 | |
---|
| 810 | return true; |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | bool NetworkGameManager::handleYouAreEntity( int & i, const byte * data, int length, int sender ) |
---|
| 814 | { |
---|
| 815 | if ( INTSIZE > length-i ) |
---|
| 816 | { |
---|
| 817 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
| 818 | return false; |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | int uniqueID; |
---|
| 822 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
| 823 | |
---|
| 824 | doYouAre( uniqueID ); |
---|
| 825 | |
---|
| 826 | return true; |
---|
| 827 | } |
---|
| 828 | |
---|
| 829 | bool NetworkGameManager::handleRequestSync( int & i, const byte * data, int length, int sender ) |
---|
| 830 | { |
---|
| 831 | if ( INTSIZE > length-i ) |
---|
| 832 | { |
---|
| 833 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
| 834 | return false; |
---|
| 835 | } |
---|
| 836 | int uniqueID; |
---|
| 837 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
| 838 | |
---|
| 839 | doRequestSync( uniqueID, sender ); |
---|
| 840 | |
---|
| 841 | return true; |
---|
| 842 | } |
---|
| 843 | |
---|
| 844 | bool NetworkGameManager::writeToClientBuffer( clientBuffer & cb, byte b ) |
---|
| 845 | { |
---|
| 846 | if ( cb.maxLength-cb.length < 1 ) |
---|
| 847 | { |
---|
| 848 | PRINTF(1)("Cannot write to clientBuffer! Not enough space for 1 byte\n"); |
---|
| 849 | return false; |
---|
| 850 | } |
---|
| 851 | |
---|
| 852 | cb.buffer[cb.length++] = b; |
---|
| 853 | |
---|
| 854 | return true; |
---|
| 855 | } |
---|
| 856 | |
---|
| 857 | bool NetworkGameManager::writeToClientBuffer( clientBuffer & cb, int i ) |
---|
| 858 | { |
---|
| 859 | int n = Converter::intToByteArray( i, cb.buffer+cb.length, cb.maxLength-cb.length ); |
---|
| 860 | cb.length += n; |
---|
| 861 | |
---|
| 862 | if ( n <= 0 ) |
---|
| 863 | { |
---|
| 864 | PRINTF(1)("Cannot write to clientBuffer! Not enough space for 1 int\n"); |
---|
| 865 | return false; |
---|
| 866 | } |
---|
| 867 | |
---|
| 868 | return true; |
---|
| 869 | } |
---|
| 870 | |
---|
| 871 | void NetworkGameManager::sync( int uniqueID, int owner ) |
---|
| 872 | { |
---|
| 873 | if ( owner==this->getHostID() ) |
---|
| 874 | return; |
---|
| 875 | |
---|
| 876 | if ( !isServer() ) |
---|
| 877 | executeRequestSync( uniqueID, 0 ); |
---|
| 878 | else |
---|
| 879 | executeRequestSync( uniqueID, owner ); |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | void NetworkGameManager::executeRequestSync( int uniqueID, int user ) |
---|
| 883 | { |
---|
| 884 | if ( user >= outBuffer.size() ) |
---|
| 885 | resizeBufferVector( user ); |
---|
| 886 | |
---|
| 887 | if ( !writeToClientBuffer( outBuffer[user], (byte)REQUEST_SYNC ) ) |
---|
| 888 | return; |
---|
| 889 | if ( !writeToClientBuffer( outBuffer[user], uniqueID ) ) |
---|
| 890 | return; |
---|
| 891 | } |
---|
| 892 | |
---|