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 "util/loading/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 "p_node.h" |
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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 "space_ships/space_ship.h" |
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32 | #include "player.h" |
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33 | #include "shared_network_data.h" |
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34 | |
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35 | #include "class_list.h" |
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36 | |
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37 | /* include your own header */ |
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38 | #include "network_game_manager.h" |
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39 | |
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40 | |
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41 | /* using namespace std is default, this needs to be here */ |
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42 | using namespace std; |
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43 | |
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44 | NetworkGameManager* NetworkGameManager::singletonRef = NULL; |
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45 | |
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46 | /*! |
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47 | * Standard constructor |
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48 | */ |
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49 | NetworkGameManager::NetworkGameManager() |
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50 | : Synchronizeable() |
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51 | { |
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52 | PRINTF(0)("START\n"); |
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53 | |
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54 | /* set the class id for the base object */ |
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55 | this->setClassID(CL_NETWORK_GAME_MANAGER, "NetworkGameManager"); |
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56 | |
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57 | hasRequestedWorld = false; |
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58 | this->setSynchronized(true); |
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59 | } |
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60 | |
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61 | /*! |
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62 | * Standard destructor |
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63 | */ |
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64 | NetworkGameManager::~NetworkGameManager() |
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65 | { |
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66 | for ( int i = 0; i<outBuffer.size(); i++) |
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67 | { |
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68 | if ( outBuffer[i].buffer ) |
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69 | delete outBuffer[i].buffer; |
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70 | } |
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71 | |
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72 | } |
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73 | |
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74 | |
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75 | int NetworkGameManager::writeBytes(const byte* data, int length, int sender) |
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76 | { |
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77 | int i = 0; |
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78 | byte b; |
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79 | |
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80 | while ( i<length ) |
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81 | { |
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82 | b = data[i++]; |
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83 | |
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84 | /**************** Commands only processed by servers ****************/ |
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85 | if ( isServer() ) |
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86 | { |
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87 | if ( b == NET_REQUEST_CREATE ) |
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88 | { |
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89 | if ( !handleRequestCreate( i, data, length, sender ) ) |
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90 | return i; |
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91 | continue; |
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92 | } |
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93 | else if ( b == NET_REQUEST_REMOVE ) |
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94 | { |
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95 | if ( !handleRequestRemove( i, data, length, sender ) ) |
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96 | return i; |
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97 | continue; |
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98 | } |
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99 | else if ( b == NET_REQUEST_PNODE_PATH ) |
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100 | { |
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101 | if ( !handleRequestPNodePath( i, data, length, sender ) ) |
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102 | return i; |
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103 | continue; |
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104 | } |
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105 | } |
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106 | else |
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107 | { |
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108 | /**************** Commands only processed by clients ****************/ |
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109 | if ( b == NET_CREATE_ENTITY ) |
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110 | { |
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111 | PRINTF(0)("CREATE_ENTITY\n"); |
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112 | if ( !handleCreateEntity( i, data, length, sender ) ) |
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113 | return i; |
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114 | continue; |
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115 | } |
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116 | else if ( b == NET_REMOVE_ENTITY ) |
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117 | { |
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118 | if ( !handleRemoveEntity( i, data, length, sender ) ) |
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119 | return i; |
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120 | continue; |
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121 | } |
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122 | else if ( b == NET_CREATE_ENTITY_LIST ) |
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123 | { |
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124 | if ( !handleCreateEntityList( i, data, length, sender ) ) |
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125 | return i; |
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126 | continue; |
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127 | } |
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128 | else if ( b == NET_REMOVE_ENTITY_LIST ) |
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129 | { |
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130 | if ( !handleRemoveEntityList( i, data, length, sender ) ) |
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131 | return i; |
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132 | continue; |
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133 | } |
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134 | else if ( b == NET_YOU_ARE_ENTITY ) |
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135 | { |
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136 | if ( !handleYouAreEntity( i, data, length, sender ) ) |
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137 | return i; |
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138 | continue; |
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139 | } |
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140 | } |
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141 | |
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142 | /**************** Commands processed by servers and clients ****************/ |
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143 | if ( b == NET_REQUEST_ENTITY_LIST ) |
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144 | { |
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145 | sendEntityList( sender ); |
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146 | continue; |
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147 | } |
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148 | else if ( b == NET_REQUEST_SYNC ) |
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149 | { |
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150 | if ( !handleRequestSync( i, data, length, sender ) ) |
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151 | return i; |
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152 | continue; |
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153 | } |
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154 | |
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155 | |
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156 | PRINTF(1)("Network is asynchronous: couldn't decode the command sent by %i\n", sender); |
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157 | PRINTF(1)("Probably this is because the network protocol has different \n"); |
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158 | PRINTF(1)("versions or there occured an error in the sending algorithm\n"); |
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159 | PRINTF(1)("Data is not in the right format! i=%d\n", i); |
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160 | return i; |
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161 | } |
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162 | |
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163 | return i; |
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164 | } |
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165 | |
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166 | int NetworkGameManager::readBytes(byte* data, int maxLength, int * reciever) |
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167 | { |
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168 | if ( !isServer() && !hasRequestedWorld ) |
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169 | { |
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170 | assert( maxLength >= 1 ); |
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171 | data[0] = NET_REQUEST_ENTITY_LIST; |
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172 | hasRequestedWorld = true; |
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173 | return 1; |
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174 | } |
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175 | |
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176 | for ( int i = 0; i<outBuffer.size(); i++ ) |
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177 | { |
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178 | *reciever = i; |
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179 | if ( outBuffer[i].length>0 ) |
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180 | { |
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181 | int nbytes = outBuffer[i].length; |
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182 | outBuffer[i].length = 0; |
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183 | |
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184 | if ( nbytes > maxLength ) |
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185 | { |
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186 | PRINTF(1)("OutBuffer.length (%d) > (%d) networkStreamBuffer.maxLength\n", nbytes, maxLength); |
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187 | return 0; |
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188 | } |
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189 | |
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190 | memcpy(data, outBuffer[i].buffer, nbytes); |
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191 | return nbytes; |
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192 | } |
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193 | } |
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194 | |
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195 | return 0; |
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196 | } |
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197 | |
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198 | void NetworkGameManager::writeDebug() const |
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199 | { |
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200 | } |
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201 | |
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202 | void NetworkGameManager::readDebug() const |
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203 | { |
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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 | * Checks whether this is connected to a server or a client |
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209 | * and afterwards creates the needed entity |
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210 | * @param classID: The ID of the class of which an entity should be created |
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211 | */ |
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212 | int NetworkGameManager::createEntity( ClassID classID, int owner ) |
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213 | { |
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214 | if ( this->isServer()) |
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215 | { |
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216 | if ( SharedNetworkData::getInstance()->getNewUniqueID() < 0 ) |
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217 | { |
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218 | PRINTF(1)("Cannot create entity! There are no more uniqueIDs left!\n"); |
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219 | return -1; |
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220 | } |
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221 | return this->executeCreateEntity( classID, SharedNetworkData::getInstance()->getNewUniqueID(), owner ); |
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222 | } |
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223 | else |
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224 | { |
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225 | this->requestCreateEntity( classID ); |
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226 | return -1; |
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227 | } |
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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 | * Checks whether this is connected to a server or a client |
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233 | * and afterwards creates the needed entity |
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234 | * @param classID: The ID of the class of which an entity should be created |
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235 | */ |
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236 | BaseObject* NetworkGameManager::createEntity(const TiXmlElement* element) |
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237 | { |
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238 | if ( this->isServer() ) |
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239 | { |
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240 | if ( SharedNetworkData::getInstance()->getNewUniqueID() < 0 ) |
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241 | { |
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242 | PRINTF(1)("Cannot create entity! There are no more uniqueIDs left!\n"); |
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243 | return NULL; |
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244 | } |
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245 | |
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246 | BaseObject * b = Factory::fabricate( element ); |
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247 | |
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248 | if ( !b ) |
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249 | { |
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250 | PRINTF(1)("Could not fabricate Object with className %s\n", element->Value() ); |
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251 | return NULL; |
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252 | } |
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253 | |
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254 | |
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255 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
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256 | { |
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257 | Synchronizeable * s = dynamic_cast<Synchronizeable*>(b); |
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258 | s->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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259 | s->setOwner( 0 ); |
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260 | // all entities created via this function are added automaticaly to the synchronizeable list |
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261 | s->setSynchronized(true); |
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262 | return b; |
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263 | } |
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264 | else |
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265 | { |
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266 | PRINTF(1)("Class %s is not a synchronizeable!\n", b->getClassName() ); |
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267 | delete b; |
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268 | } |
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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 | { |
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274 | PRINTF(1)("This node is not a server and cannot create id %x\n", element->Value()); |
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275 | } |
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276 | return NULL; |
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277 | } |
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278 | |
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279 | |
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280 | /*! |
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281 | * Checks whether this is connected to a server or a client |
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282 | * and afterwards removes the specified entity |
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283 | * @param uniqueID: The ID of the entity object which should be removed |
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284 | */ |
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285 | void NetworkGameManager::removeEntity(int uniqueID) |
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286 | { |
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287 | if ( this->isServer() ) |
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288 | { |
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289 | this->executeRemoveEntity( uniqueID ); |
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290 | } |
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291 | else |
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292 | { |
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293 | this->requestRemoveEntity( uniqueID ); |
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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 | /*! |
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300 | * Creates the needed entity on the server if possible |
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301 | * @param classID: The ID of the class of which an entity should be created |
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302 | */ |
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303 | void NetworkGameManager::requestCreateEntity(ClassID classID) |
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304 | { |
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305 | for ( int i = 0; i<outBuffer.size(); i++) |
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306 | { |
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307 | if ( !this->networkStream->isUserIdActive( i ) ) |
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308 | continue; |
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309 | |
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310 | if ( !writeToClientBuffer( outBuffer[i], (byte)NET_REQUEST_CREATE ) ) |
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311 | return; |
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312 | if ( !writeToClientBuffer( outBuffer[i], (int)classID ) ) |
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313 | return; |
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314 | } |
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315 | } |
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316 | |
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317 | /*! |
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318 | * Removes the specified entity on the server |
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319 | * @param uniqueID: The ID of the entity object which should be removed |
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320 | */ |
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321 | void NetworkGameManager::requestRemoveEntity(int uniqueID) |
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322 | { |
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323 | for ( int i = 0; i<outBuffer.size(); i++) |
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324 | { |
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325 | if ( !this->networkStream->isUserIdActive( i ) ) |
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326 | continue; |
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327 | |
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328 | if ( !writeToClientBuffer( outBuffer[i], (byte)NET_REQUEST_REMOVE ) ) |
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329 | return; |
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330 | if ( !writeToClientBuffer( outBuffer[i], uniqueID ) ) |
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331 | return; |
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332 | } |
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333 | } |
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334 | |
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335 | /*! |
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336 | * Creates the needed entity if possible |
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337 | * This function is called if this is a server |
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338 | * @param classID: The ID of the class of which an entity should be created |
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339 | */ |
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340 | int NetworkGameManager::executeCreateEntity(ClassID classID, int uniqueID, int owner) |
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341 | { |
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342 | for ( int i = 0; i<outBuffer.size(); i++) |
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343 | { |
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344 | if ( !this->networkStream->isUserIdActive( i ) ) |
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345 | continue; |
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346 | |
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347 | if ( !writeToClientBuffer( outBuffer[i], (byte)NET_CREATE_ENTITY ) ) |
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348 | return -1; |
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349 | if ( !writeToClientBuffer( outBuffer[i], (int)classID ) ) |
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350 | return -1; |
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351 | if ( !writeToClientBuffer( outBuffer[i], uniqueID ) ) |
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352 | return -1; |
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353 | if ( !writeToClientBuffer( outBuffer[i], owner ) ) |
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354 | return -1; |
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355 | } |
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356 | |
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357 | PRINTF(0)("ExecuteCreateEntity: server side: classID: %x, uniqueID: %i, owner: %i\n", classID, uniqueID, owner); |
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358 | doCreateEntity( classID, uniqueID, owner ); |
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359 | |
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360 | return uniqueID; |
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361 | } |
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362 | |
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363 | /*! |
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364 | * Removes the specified entity |
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365 | * This function is called if this is a server |
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366 | * @param uniqueID: The ID of the entity object which should be removed |
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367 | */ |
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368 | void NetworkGameManager::executeRemoveEntity(int uniqueID) |
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369 | { |
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370 | for ( int i = 0; i<outBuffer.size(); i++) |
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371 | { |
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372 | if ( !this->networkStream->isUserIdActive( i ) ) |
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373 | continue; |
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374 | |
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375 | if ( !writeToClientBuffer( outBuffer[i], (byte)NET_REMOVE_ENTITY ) ) |
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376 | return; |
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377 | if ( !writeToClientBuffer( outBuffer[i], uniqueID ) ) |
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378 | return; |
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379 | } |
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380 | |
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381 | doRemoveEntity(uniqueID); |
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382 | } |
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383 | |
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384 | /*! |
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385 | * Checks whether it is possible to create an entity of a given class |
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386 | * @return: true if the entity can be created, false otherwise |
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387 | */ |
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388 | bool NetworkGameManager::canCreateEntity(ClassID classID) |
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389 | { |
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390 | return true; |
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391 | } |
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392 | |
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393 | /*! |
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394 | * Sends the Entities to the new connected client |
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395 | * @param userID: The ID of the user |
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396 | */ |
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397 | void NetworkGameManager::sendEntityList( int userID ) |
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398 | { |
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399 | if ( !isServer() ) |
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400 | return; |
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401 | |
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402 | if ( userID >= outBuffer.size() ) |
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403 | resizeBufferVector( userID ); |
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404 | |
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405 | SynchronizeableList::const_iterator it, e; |
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406 | |
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407 | it = this->networkStream->getSyncBegin(); |
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408 | e = this->networkStream->getSyncEnd(); |
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409 | |
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410 | // send the packet header |
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411 | if ( !writeToClientBuffer( outBuffer[userID], (byte)NET_CREATE_ENTITY_LIST ) ) |
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412 | return; |
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413 | |
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414 | // send the number of entities: -2 because you must not send network_game_manager and handshake |
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415 | if ( !writeToClientBuffer( outBuffer[userID], networkStream->getSyncCount() ) ) |
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416 | return; |
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417 | |
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418 | //PRINTF(0)("SendEntityList: n = %d\n", networkStream->getSyncCount()-2 ); |
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419 | |
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420 | // first send the NullParent |
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421 | if ( !writeToClientBuffer( outBuffer[userID], (int)PNode::getNullParent()->getLeafClassID()) ) |
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422 | return; |
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423 | if ( !writeToClientBuffer( outBuffer[userID], (int)PNode::getNullParent()->getUniqueID()) ) |
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424 | return; |
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425 | if ( !writeToClientBuffer( outBuffer[userID], (int)PNode::getNullParent()->getOwner()) ) |
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426 | return; |
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427 | |
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428 | // now send the rest of the entities |
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429 | while ( it != e ) |
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430 | { |
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431 | if( (*it)->beSynchronized() && (*it) != PNode::getNullParent()) |
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432 | { |
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433 | PRINTF(0)("SENDING ENTITY %s classid: %x, uniqueid %d\n", (*it)->getClassName(), (*it)->getLeafClassID(), (*it)->getUniqueID() ); |
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434 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getLeafClassID()) ) ) |
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435 | return; |
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436 | |
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437 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getUniqueID()) ) ) |
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438 | return; |
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439 | |
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440 | if ( !writeToClientBuffer( outBuffer[userID], (int)((*it)->getOwner()) ) ) |
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441 | return; |
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442 | } |
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443 | it++; |
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444 | } |
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445 | |
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446 | signalNewPlayer( userID ); |
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447 | } |
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448 | |
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449 | |
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450 | |
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451 | bool NetworkGameManager::signalNewPlayer(int userId) |
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452 | { |
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453 | if ( userId >= outBuffer.size() ) |
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454 | resizeBufferVector( userId ); |
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455 | |
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456 | /* create new playable for Player*/ |
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457 | PRINTF(0)("Request for creation: %i\n", userId); |
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458 | int uniqueId = this->createEntity(CL_SPACE_SHIP, userId); |
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459 | PRINTF(0)("Request for creation: userid: %i, uniqueid: %i\n", userId, uniqueId); |
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460 | this->sendYouAre(uniqueId, userId); |
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461 | |
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462 | } |
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463 | |
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464 | |
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465 | |
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466 | bool NetworkGameManager::signalLeftPlayer(int userID) |
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467 | { |
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468 | const std::list<BaseObject*>* playableList = ClassList::getList(CL_PLAYABLE); |
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469 | std::list<BaseObject*>::const_iterator it = playableList->begin(); |
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470 | |
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471 | for(; it != playableList->end(); it++) |
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472 | { |
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473 | if( dynamic_cast<Synchronizeable*>(*it)->getOwner() == userID ) |
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474 | { |
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475 | PRINTF(0)("remove playable from %i\n", userID); |
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476 | this->removeEntity(dynamic_cast<Synchronizeable*>(*it)->getUniqueID()); |
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477 | return true; |
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478 | } |
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479 | } |
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480 | return false; |
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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 | * Creates a buffer for user n |
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486 | * @param n The ID of the user |
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487 | */ |
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488 | void NetworkGameManager::resizeBufferVector( int n ) |
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489 | { |
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490 | for ( int i = outBuffer.size(); i<=n; i++) |
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491 | { |
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492 | clientBuffer outBuf; |
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493 | |
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494 | outBuf.length = 0; |
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495 | |
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496 | outBuf.maxLength = 5*1024; |
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497 | |
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498 | outBuf.buffer = new byte[5*1014]; |
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499 | |
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500 | outBuffer.push_back(outBuf); |
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501 | } |
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502 | } |
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503 | |
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504 | /** |
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505 | * Creates the entity on this host |
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506 | * @param classID: ClassID of the entity to create |
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507 | * @param uniqueID: Unique ID to assign to the synchronizeable |
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508 | * @param owner: owner of this synchronizealbe |
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509 | */ |
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510 | BaseObject* NetworkGameManager::doCreateEntity( ClassID classID, int uniqueID, int owner ) |
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511 | { |
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512 | PRINTF(0)("Creating Entity via Factory: classid: %x, uniqueID: %i, owner: %i\n", classID, uniqueID, owner); |
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513 | |
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514 | BaseObject * b; |
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515 | /* These are some small exeptions in creation: Not all objects can/should be created via Factory */ |
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516 | /* Exception 1: NullParent */ |
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517 | if( classID == CL_NULL_PARENT) |
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518 | { |
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519 | b = (BaseObject*)PNode::getNullParent(); |
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520 | } |
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521 | else |
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522 | b = Factory::fabricate( classID ); |
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523 | |
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524 | if ( !b ) |
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525 | { |
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526 | PRINTF(1)("Could not fabricate Object with classID %x\n", classID); |
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527 | return NULL; |
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528 | } |
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529 | |
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530 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
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531 | { |
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532 | Synchronizeable * s = dynamic_cast<Synchronizeable*>(b); |
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533 | s->setUniqueID( uniqueID ); |
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534 | s->setOwner( owner ); |
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535 | s->setSynchronized(true); |
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536 | //this->networkStream->connectSynchronizeable( *s ); |
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537 | if ( !isServer() ) |
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538 | s->setIsOutOfSync( true ); |
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539 | PRINTF(0)("Fabricated %s with id %d\n", s->getClassName(), s->getUniqueID()); |
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540 | |
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541 | //TODO HACK: hack to prevent collision |
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542 | if ( b->isA(CL_WORLD_ENTITY) && !b->isA(CL_PLAYABLE) ) |
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543 | { |
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544 | if ( SharedNetworkData::getInstance()->getHostID()!=0 ) |
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545 | { |
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546 | static Vector pos = Vector(1000.0, 1000.0, 1000.0); |
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547 | PNode *p = dynamic_cast<PNode*>(b); |
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548 | p->setAbsCoor(pos); |
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549 | p->updateNode(0); |
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550 | pos += Vector(1000.0, 1000.0, 1000.0); |
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551 | } |
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552 | } |
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553 | ///TODO HACK this is only for network multiplayer games. |
---|
554 | if( b->isA(CL_SPACE_SHIP)) |
---|
555 | { |
---|
556 | SpaceShip* ss = dynamic_cast<SpaceShip*>(b); |
---|
557 | if( owner%2 == 0) |
---|
558 | { |
---|
559 | |
---|
560 | ss->loadModel("models/ships/reap_0.obj"); |
---|
561 | ss->toList(OM_GROUP_00); |
---|
562 | ss->setAbsCoor(213.37, 57.71, -47.98); |
---|
563 | ss->setAbsDir(Quaternion(0.16, 0.98, -0.10)); |
---|
564 | } |
---|
565 | else |
---|
566 | { |
---|
567 | ss->loadModel( "models/ships/fighter.obj" ); |
---|
568 | ss->toList(OM_GROUP_01); |
---|
569 | ss->setAbsCoor(-314.450, 40.701, 83.554); |
---|
570 | } |
---|
571 | } |
---|
572 | |
---|
573 | return b; |
---|
574 | } |
---|
575 | else |
---|
576 | { |
---|
577 | PRINTF(1)("Class with ID %x is not a synchronizeable!", (int)classID); |
---|
578 | delete b; |
---|
579 | } |
---|
580 | return NULL; |
---|
581 | } |
---|
582 | |
---|
583 | /** |
---|
584 | * Removes a entity on this host |
---|
585 | * @param uniqueID: unique ID assigned with the entity to remove |
---|
586 | */ |
---|
587 | void NetworkGameManager::doRemoveEntity( int uniqueID ) |
---|
588 | { |
---|
589 | SynchronizeableList::const_iterator it,e; |
---|
590 | it = this->networkStream->getSyncBegin(); |
---|
591 | e = this->networkStream->getSyncEnd(); |
---|
592 | |
---|
593 | while ( it != e ) |
---|
594 | { |
---|
595 | if ( (*it)->getUniqueID() == uniqueID ) |
---|
596 | { |
---|
597 | assert((*it)->isA(CL_WORLD_ENTITY)); |
---|
598 | dynamic_cast<WorldEntity*>(*it)->leaveWorld(); |
---|
599 | dynamic_cast<WorldEntity*>(*it)->toList(OM_DEAD); |
---|
600 | break; |
---|
601 | } |
---|
602 | it++; |
---|
603 | } |
---|
604 | } |
---|
605 | |
---|
606 | /** |
---|
607 | * Tell the synchronizeable that a user's synchronizeable is out of sync |
---|
608 | * @param uniqueID: unique ID assigned with the entity which is out of sync |
---|
609 | * @param userID: user ID who's synchronizeable is out of sync |
---|
610 | */ |
---|
611 | void NetworkGameManager::doRequestSync( int uniqueID, int userID ) |
---|
612 | { |
---|
613 | SynchronizeableList::const_iterator it,e; |
---|
614 | it = this->networkStream->getSyncBegin(); |
---|
615 | e = this->networkStream->getSyncEnd(); |
---|
616 | |
---|
617 | while ( it != e ) |
---|
618 | { |
---|
619 | if ( (*it)->getUniqueID() == uniqueID ) |
---|
620 | { |
---|
621 | (*it)->requestSync( userID ); |
---|
622 | break; |
---|
623 | } |
---|
624 | it++; |
---|
625 | } |
---|
626 | } |
---|
627 | |
---|
628 | /** |
---|
629 | * Copies length bytes to the clientBuffer with error checking |
---|
630 | * @param clientBuffer: the clientBuffer to write to |
---|
631 | * @param data: buffer to the data |
---|
632 | * @param length: length of data |
---|
633 | * @return false on error true else |
---|
634 | */ |
---|
635 | bool NetworkGameManager::writeToClientBuffer( clientBuffer &cb, byte * data, int length ) |
---|
636 | { |
---|
637 | if ( length > cb.maxLength-cb.length ) |
---|
638 | { |
---|
639 | PRINTF(1)("No space left in clientBuffer\n"); |
---|
640 | return false; |
---|
641 | } |
---|
642 | |
---|
643 | memcpy( cb.buffer+cb.length, data, length ); |
---|
644 | return true; |
---|
645 | } |
---|
646 | |
---|
647 | /** |
---|
648 | * Reads data from clientBuffer with error checking |
---|
649 | * @param clientBuffer: the clientBuffer to read from |
---|
650 | * @param data: pointer to the buffer |
---|
651 | * @param length: |
---|
652 | * @return |
---|
653 | */ |
---|
654 | bool NetworkGameManager::readFromClientBuffer( clientBuffer &cb, byte * data, int length ) |
---|
655 | { |
---|
656 | if ( cb.length < length ) |
---|
657 | { |
---|
658 | PRINTF(0)("There is not enough data in clientBuffer\n"); |
---|
659 | return 0; |
---|
660 | } |
---|
661 | |
---|
662 | memcpy( data, cb.buffer+cb.length-length, length ); |
---|
663 | return true; |
---|
664 | } |
---|
665 | |
---|
666 | /** |
---|
667 | * Tells this client that he has to control this entity |
---|
668 | * @param uniqueID: the entity's uniqeID |
---|
669 | */ |
---|
670 | void NetworkGameManager::doYouAre( int uniqueID ) |
---|
671 | { |
---|
672 | |
---|
673 | SynchronizeableList::const_iterator it = this->networkStream->getSyncBegin(); |
---|
674 | |
---|
675 | Playable *p = NULL; |
---|
676 | Synchronizeable *s = NULL; |
---|
677 | |
---|
678 | for ( ; it !=networkStream->getSyncEnd(); it++ ) |
---|
679 | { |
---|
680 | if ( (*it)->getUniqueID()==uniqueID ) |
---|
681 | { |
---|
682 | if ( (*it)->isA( CL_SYNCHRONIZEABLE ) ) |
---|
683 | { |
---|
684 | s = dynamic_cast<Synchronizeable*>(*it); |
---|
685 | } |
---|
686 | if ( (*it)->isA( CL_PLAYABLE ) ) |
---|
687 | { |
---|
688 | p = dynamic_cast<Playable*>(*it); |
---|
689 | break; |
---|
690 | } else |
---|
691 | { |
---|
692 | PRINTF(1)("UniqueID is not a Playable\n"); |
---|
693 | } |
---|
694 | } |
---|
695 | } |
---|
696 | |
---|
697 | Player* player = State::getPlayer(); |
---|
698 | assert(p != NULL); |
---|
699 | assert(s != NULL); |
---|
700 | assert(player != NULL); |
---|
701 | |
---|
702 | s->setIsOutOfSync( true ); |
---|
703 | |
---|
704 | PRINTF(0)("uniqueID = %d\n", s->getUniqueID()); |
---|
705 | |
---|
706 | player->setPlayable(p); |
---|
707 | |
---|
708 | |
---|
709 | } |
---|
710 | |
---|
711 | /** |
---|
712 | * Tells a remote client that he has to control this entity |
---|
713 | * @param uniqueID: the entity's uniqeID |
---|
714 | * @param userID: the users ID |
---|
715 | */ |
---|
716 | void NetworkGameManager::sendYouAre( int uniqueID, int userID ) |
---|
717 | { |
---|
718 | if ( !isServer() ) |
---|
719 | return; |
---|
720 | |
---|
721 | if ( userID != 0 ) |
---|
722 | { |
---|
723 | if ( !writeToClientBuffer( outBuffer[userID], (byte)NET_YOU_ARE_ENTITY ) ) |
---|
724 | return; |
---|
725 | |
---|
726 | if ( !writeToClientBuffer( outBuffer[userID], uniqueID ) ) |
---|
727 | return; |
---|
728 | } |
---|
729 | else |
---|
730 | { |
---|
731 | doYouAre(uniqueID); |
---|
732 | } |
---|
733 | } |
---|
734 | |
---|
735 | bool NetworkGameManager::handleRequestCreate( int & i, const byte * data, int length, int sender ) |
---|
736 | { |
---|
737 | if ( INTSIZE > length-i ) |
---|
738 | { |
---|
739 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
740 | return false; |
---|
741 | } |
---|
742 | int classID; |
---|
743 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
744 | |
---|
745 | createEntity( (ClassID)classID ); |
---|
746 | |
---|
747 | return true; |
---|
748 | } |
---|
749 | |
---|
750 | bool NetworkGameManager::handleRequestRemove( int & i, const byte * data, int length, int sender ) |
---|
751 | { |
---|
752 | if ( INTSIZE > length-i ) |
---|
753 | { |
---|
754 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
755 | return false; |
---|
756 | } |
---|
757 | int uniqueID; |
---|
758 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
759 | |
---|
760 | removeEntity( uniqueID ); |
---|
761 | |
---|
762 | return true; |
---|
763 | } |
---|
764 | |
---|
765 | bool NetworkGameManager::handleCreateEntity( int & i, const byte * data, int length, int sender ) |
---|
766 | { |
---|
767 | if ( INTSIZE > length-i ) |
---|
768 | { |
---|
769 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
770 | return false; |
---|
771 | } |
---|
772 | int classID; |
---|
773 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
774 | |
---|
775 | if ( INTSIZE > length-i ) |
---|
776 | { |
---|
777 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
778 | return false; |
---|
779 | } |
---|
780 | int uniqueID; |
---|
781 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
782 | |
---|
783 | if ( INTSIZE > length-i ) |
---|
784 | { |
---|
785 | PRINTF(1)("Cannot read owner from buffer! Not enough data left!\n"); |
---|
786 | return false; |
---|
787 | } |
---|
788 | int owner; |
---|
789 | i += Converter::byteArrayToInt( &data[i], &owner ); |
---|
790 | |
---|
791 | PRINTF(0)("handleCreateEntity: client side: classID: %x, uniqueID: %i, owner: %i\n", classID, uniqueID, owner); |
---|
792 | doCreateEntity( (ClassID)classID, uniqueID, owner ); |
---|
793 | |
---|
794 | return true; |
---|
795 | } |
---|
796 | |
---|
797 | bool NetworkGameManager::handleRemoveEntity( int & i, const byte * data, int length, int sender ) |
---|
798 | { |
---|
799 | if ( INTSIZE > length-i ) |
---|
800 | { |
---|
801 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
802 | return false; |
---|
803 | } |
---|
804 | int uniqueID; |
---|
805 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
806 | |
---|
807 | doRemoveEntity( uniqueID ); |
---|
808 | |
---|
809 | return true; |
---|
810 | } |
---|
811 | |
---|
812 | bool NetworkGameManager::handleCreateEntityList( int & i, const byte * data, int length, int sender ) |
---|
813 | { |
---|
814 | if ( INTSIZE > length-i ) |
---|
815 | { |
---|
816 | PRINTF(1)("Cannot read n from buffer! Not enough data left!\n"); |
---|
817 | return false; |
---|
818 | } |
---|
819 | |
---|
820 | PRINTF(0)("HandleCreateEntityList: data[i..i+3] = %d %d %d %d\n", data[i], data[i+1], data[i+2], data[i+3]); |
---|
821 | |
---|
822 | int n; |
---|
823 | i += Converter::byteArrayToInt( &data[i], &n ); |
---|
824 | |
---|
825 | |
---|
826 | PRINTF(0)("HandleCreateEntityList: n = %d\n", n); |
---|
827 | |
---|
828 | int classID, uniqueID, owner; |
---|
829 | |
---|
830 | for ( int j = 0; j<n; j++ ) |
---|
831 | { |
---|
832 | |
---|
833 | if ( INTSIZE > length-i ) |
---|
834 | { |
---|
835 | PRINTF(1)("Cannot read classID from buffer! Not enough data left!\n"); |
---|
836 | return false; |
---|
837 | } |
---|
838 | i += Converter::byteArrayToInt( &data[i], &classID ); |
---|
839 | |
---|
840 | if ( INTSIZE > length-i ) |
---|
841 | { |
---|
842 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
843 | return false; |
---|
844 | } |
---|
845 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
846 | |
---|
847 | if ( INTSIZE > length-i ) |
---|
848 | { |
---|
849 | PRINTF(1)("Cannot read owner from buffer! Not enough data left!\n"); |
---|
850 | return false; |
---|
851 | } |
---|
852 | i += Converter::byteArrayToInt( &data[i], &owner ); |
---|
853 | |
---|
854 | if ( classID != CL_NETWORK_GAME_MANAGER && classID != CL_HANDSHAKE ) |
---|
855 | { |
---|
856 | BaseObject* b = doCreateEntity( (ClassID)classID, uniqueID, owner ); |
---|
857 | } |
---|
858 | |
---|
859 | } |
---|
860 | |
---|
861 | return true; |
---|
862 | } |
---|
863 | |
---|
864 | bool NetworkGameManager::handleRemoveEntityList( int & i, const byte * data, int length, int sender ) |
---|
865 | { |
---|
866 | if ( INTSIZE > length-i ) |
---|
867 | { |
---|
868 | PRINTF(1)("Cannot read n from buffer! Not enough data left!\n"); |
---|
869 | return false; |
---|
870 | } |
---|
871 | int n; |
---|
872 | i += Converter::byteArrayToInt( &data[i], &n ); |
---|
873 | |
---|
874 | int uniqueID; |
---|
875 | |
---|
876 | for ( int j = 0; j<n; j++ ) |
---|
877 | { |
---|
878 | |
---|
879 | if ( INTSIZE > length-i ) |
---|
880 | { |
---|
881 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
882 | return false; |
---|
883 | } |
---|
884 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
885 | |
---|
886 | doRemoveEntity( uniqueID ); |
---|
887 | } |
---|
888 | |
---|
889 | return true; |
---|
890 | } |
---|
891 | |
---|
892 | bool NetworkGameManager::handleYouAreEntity( int & i, const byte * data, int length, int sender ) |
---|
893 | { |
---|
894 | if ( INTSIZE > length-i ) |
---|
895 | { |
---|
896 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
897 | return false; |
---|
898 | } |
---|
899 | |
---|
900 | int uniqueID; |
---|
901 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
902 | |
---|
903 | doYouAre( uniqueID ); |
---|
904 | |
---|
905 | return true; |
---|
906 | } |
---|
907 | |
---|
908 | bool NetworkGameManager::handleRequestSync( int & i, const byte * data, int length, int sender ) |
---|
909 | { |
---|
910 | if ( INTSIZE > length-i ) |
---|
911 | { |
---|
912 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
913 | return false; |
---|
914 | } |
---|
915 | int uniqueID; |
---|
916 | i += Converter::byteArrayToInt( &data[i], &uniqueID ); |
---|
917 | |
---|
918 | PRINTF(0)("handleRequestSync %d %d\n", uniqueID, sender); |
---|
919 | doRequestSync( uniqueID, sender ); |
---|
920 | |
---|
921 | return true; |
---|
922 | } |
---|
923 | |
---|
924 | |
---|
925 | /** |
---|
926 | * handles the network signal NET_REQUEST_PNODE_PATH |
---|
927 | * @param i byte offset in the buffer |
---|
928 | * @param data data array |
---|
929 | * @param length length of the data arary |
---|
930 | * @param sender the sender id |
---|
931 | * @return true if process terminated sucessfully |
---|
932 | */ |
---|
933 | bool NetworkGameManager::handleRequestPNodePath(int& i, const byte* data, int length, int sender) |
---|
934 | { |
---|
935 | if( INTSIZE > length-i ) |
---|
936 | { |
---|
937 | PRINTF(1)("Cannot read n from buffer! Not enough data left!\n"); |
---|
938 | return false; |
---|
939 | } |
---|
940 | PRINTF(0)("HandleRequestPNodePath: data[i..i+3] = %d %d %d %d\n", data[i], data[i+1], data[i+2], data[i+3]); |
---|
941 | |
---|
942 | int uniqueID1, uniqueID2; |
---|
943 | if( INTSIZE > length-i ) |
---|
944 | { |
---|
945 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
946 | return false; |
---|
947 | } |
---|
948 | i += Converter::byteArrayToInt( &data[i], &uniqueID1 ); |
---|
949 | |
---|
950 | if( INTSIZE > length-i ) |
---|
951 | { |
---|
952 | PRINTF(1)("Cannot read uniqueID from buffer! Not enough data left!\n"); |
---|
953 | return false; |
---|
954 | } |
---|
955 | i += Converter::byteArrayToInt( &data[i], &uniqueID2 ); |
---|
956 | |
---|
957 | |
---|
958 | PRINTF(0)("HandleRequestPNodePath: got a request for path from uid %i to uid %i\n", uniqueID1, uniqueID2); |
---|
959 | |
---|
960 | return true; |
---|
961 | } |
---|
962 | |
---|
963 | |
---|
964 | bool NetworkGameManager::writeToClientBuffer( clientBuffer & cb, byte b ) |
---|
965 | { |
---|
966 | if ( cb.maxLength-cb.length < 1 ) |
---|
967 | { |
---|
968 | PRINTF(1)("Cannot write to clientBuffer! Not enough space for 1 byte\n"); |
---|
969 | return false; |
---|
970 | } |
---|
971 | |
---|
972 | cb.buffer[cb.length++] = b; |
---|
973 | |
---|
974 | return true; |
---|
975 | } |
---|
976 | |
---|
977 | bool NetworkGameManager::writeToClientBuffer( clientBuffer & cb, int i ) |
---|
978 | { |
---|
979 | int n = Converter::intToByteArray( i, cb.buffer+cb.length, cb.maxLength-cb.length ); |
---|
980 | cb.length += n; |
---|
981 | |
---|
982 | if ( n <= 0 ) |
---|
983 | { |
---|
984 | PRINTF(1)("Cannot write to clientBuffer! Not enough space for 1 int\n"); |
---|
985 | return false; |
---|
986 | } |
---|
987 | |
---|
988 | return true; |
---|
989 | } |
---|
990 | |
---|
991 | void NetworkGameManager::sync( int uniqueID, int owner ) |
---|
992 | { |
---|
993 | /*if ( owner==this->getHostID() ) |
---|
994 | return;*/ |
---|
995 | |
---|
996 | if ( !isServer() ) |
---|
997 | executeRequestSync( uniqueID, 0 ); |
---|
998 | else |
---|
999 | executeRequestSync( uniqueID, owner ); |
---|
1000 | } |
---|
1001 | |
---|
1002 | void NetworkGameManager::executeRequestSync( int uniqueID, int user ) |
---|
1003 | { |
---|
1004 | PRINTF(0)("executeRequestSync %d %d\n", uniqueID, user); |
---|
1005 | if ( user >= outBuffer.size() ) |
---|
1006 | resizeBufferVector( user ); |
---|
1007 | |
---|
1008 | if ( !writeToClientBuffer( outBuffer[user], (byte)NET_REQUEST_SYNC ) ) |
---|
1009 | return; |
---|
1010 | if ( !writeToClientBuffer( outBuffer[user], uniqueID ) ) |
---|
1011 | return; |
---|
1012 | } |
---|
1013 | |
---|