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