1 | |
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2 | /* |
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3 | orxonox - the future of 3D-vertical-scrollers |
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4 | |
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5 | Copyright (C) 2004 orx |
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6 | |
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7 | This program is free software; you can redistribute it and/or modify |
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8 | it under the terms of the GNU General Public License as published by |
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9 | the Free Software Foundation; either version 2, or (at your option) |
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10 | any later version. |
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11 | |
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12 | ### File Specific: |
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13 | main-programmer: Patrick Boenzli |
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14 | co-programmer: Christian Meyer |
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15 | */ |
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16 | |
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17 | #include "world.h" |
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18 | #include "world_entity.h" |
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19 | #include "collision.h" |
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20 | #include "track.h" |
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21 | #include "player.h" |
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22 | #include "command_node.h" |
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23 | #include "camera.h" |
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24 | #include "environment.h" |
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25 | #include "p_node.h" |
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26 | #include "null_parent.h" |
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27 | |
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28 | using namespace std; |
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29 | |
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30 | |
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31 | /** |
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32 | \brief create a new World |
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33 | |
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34 | This creates a new empty world! |
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35 | */ |
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36 | World::World (char* name) |
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37 | { |
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38 | this->setClassName ("World"); |
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39 | this->worldName = name; |
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40 | this->debugWorldNr = -1; |
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41 | this->entities = new tList<WorldEntity>(); |
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42 | } |
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43 | |
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44 | World::World (int worldID) |
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45 | { |
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46 | this->debugWorldNr = worldID; |
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47 | this->worldName = NULL; |
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48 | this->entities = new tList<WorldEntity>(); |
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49 | } |
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50 | |
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51 | /** |
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52 | \brief remove the World from memory |
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53 | */ |
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54 | World::~World () |
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55 | { |
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56 | printf("World::~World() - deleting current world\n"); |
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57 | CommandNode* cn = Orxonox::getInstance()->getLocalInput(); |
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58 | cn->unbind(this->localPlayer); |
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59 | cn->reset(); |
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60 | this->localCamera->destroy(); |
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61 | |
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62 | WorldEntity* entity = entities->enumerate(); |
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63 | while( entity != NULL ) |
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64 | { |
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65 | entity->destroy(); |
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66 | entity = entities->nextElement(); |
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67 | } |
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68 | this->entities->destroy(); |
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69 | |
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70 | /* FIX the parent list has to be cleared - not possible if we got the old list also*/ |
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71 | //this->nullParent->destroy (); |
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72 | |
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73 | delete this->entities; |
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74 | delete this->localCamera; |
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75 | /* this->localPlayer hasn't to be deleted explicitly, it is |
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76 | contained in entities*/ |
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77 | } |
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78 | |
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79 | |
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80 | ErrorMessage World::init() |
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81 | { |
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82 | this->bPause = false; |
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83 | CommandNode* cn = Orxonox::getInstance()->getLocalInput(); |
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84 | cn->addToWorld(this); |
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85 | cn->enable(true); |
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86 | |
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87 | /* this is only for test purposes */ |
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88 | this->debug (); |
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89 | } |
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90 | |
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91 | ErrorMessage World::start() |
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92 | { |
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93 | printf("World::start() - starting current World: nr %i\n", this->debugWorldNr); |
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94 | this->bQuitOrxonox = false; |
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95 | this->bQuitCurrentGame = false; |
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96 | this->mainLoop(); |
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97 | } |
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98 | |
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99 | ErrorMessage World::stop() |
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100 | { |
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101 | printf("World::stop() - got stop signal\n"); |
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102 | this->bQuitCurrentGame = true; |
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103 | } |
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104 | |
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105 | ErrorMessage World::pause() |
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106 | { |
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107 | this->isPaused = true; |
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108 | } |
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109 | |
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110 | ErrorMessage World::resume() |
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111 | { |
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112 | this->isPaused = false; |
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113 | } |
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114 | |
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115 | void World::destroy() |
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116 | { |
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117 | |
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118 | } |
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119 | |
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120 | void World::load() |
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121 | { |
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122 | if(this->debugWorldNr != -1) |
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123 | { |
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124 | switch(this->debugWorldNr) |
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125 | { |
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126 | /* |
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127 | this loads the hard-coded debug world. this only for simplicity and will be |
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128 | removed by a reald world-loader, which interprets a world-file. |
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129 | if you want to add an own debug world, just add a case DEBUG_WORLD_[nr] and |
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130 | make whatever you want... |
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131 | */ |
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132 | case DEBUG_WORLD_0: |
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133 | { |
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134 | this->nullParent = new NullParent (); |
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135 | this->nullParent->setName ("NullParent"); |
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136 | |
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137 | // create some path nodes |
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138 | this->pathnodes = new Vector[6]; |
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139 | this->pathnodes[0] = Vector(0, 0, 0); |
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140 | this->pathnodes[1] = Vector(1000, 0, 0); |
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141 | // this->pathnodes[2] = Vector(-100, 140, 0); |
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142 | // this->pathnodes[3] = Vector(0, 180, 0); |
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143 | // this->pathnodes[4] = Vector(100, 140, 0); |
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144 | // this->pathnodes[5] = Vector(100, 40, 0); |
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145 | |
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146 | // create the tracks |
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147 | this->tracklen = 2; |
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148 | this->track = new Track[2]; |
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149 | for( int i = 0; i < this->tracklen; i++) |
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150 | { |
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151 | this->track[i] = Track( i, (i+1)%this->tracklen, &this->pathnodes[i], &this->pathnodes[(i+1)%this->tracklen]); |
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152 | } |
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153 | // !\todo old track-system has to be removed |
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154 | |
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155 | // create a player |
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156 | WorldEntity* myPlayer = new Player(); |
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157 | myPlayer->setName ("player"); |
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158 | this->spawn(myPlayer); |
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159 | this->localPlayer = myPlayer; |
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160 | |
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161 | // bind input |
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162 | Orxonox *orx = Orxonox::getInstance(); |
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163 | orx->getLocalInput()->bind (myPlayer); |
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164 | |
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165 | // bind camera |
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166 | this->localCamera = new Camera(this); |
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167 | this->localCamera->setName ("camera"); |
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168 | this->getCamera()->bind (myPlayer); |
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169 | this->localPlayer->addChild (this->localCamera); |
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170 | |
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171 | |
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172 | Vector* es = new Vector (20, 0, 10); |
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173 | Quaternion* qs = new Quaternion (); |
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174 | WorldEntity* env = new Environment(); |
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175 | this->spawn(env, es, qs); |
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176 | |
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177 | |
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178 | break; |
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179 | } |
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180 | case DEBUG_WORLD_1: |
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181 | { |
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182 | this->nullParent = new NullParent (); |
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183 | |
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184 | // create some path nodes |
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185 | this->pathnodes = new Vector[6]; |
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186 | this->pathnodes[0] = Vector(0, 0, 0); |
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187 | this->pathnodes[1] = Vector(20, 10, 10); |
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188 | this->pathnodes[2] = Vector(40, 0, 10); |
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189 | this->pathnodes[3] = Vector(60, 10, 0); |
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190 | this->pathnodes[4] = Vector(80, 20, 10); |
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191 | this->pathnodes[5] = Vector(30, 50, 0); |
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192 | |
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193 | // create the tracks |
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194 | this->tracklen = 6; |
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195 | this->track = new Track[6]; |
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196 | for( int i = 0; i < this->tracklen; i++) |
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197 | { |
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198 | this->track[i] = Track( i, (i+1)%this->tracklen, &this->pathnodes[i], &this->pathnodes[(i+1)%this->tracklen]); |
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199 | } |
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200 | |
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201 | // create a player |
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202 | WorldEntity* myPlayer = new Player(); |
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203 | myPlayer->setName ("player"); |
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204 | this->spawn(myPlayer); |
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205 | this->localPlayer = myPlayer; |
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206 | |
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207 | // bind input |
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208 | Orxonox *orx = Orxonox::getInstance(); |
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209 | orx->getLocalInput()->bind (myPlayer); |
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210 | |
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211 | // bind camera |
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212 | this->localCamera = new Camera (this); |
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213 | this->localCamera->setName ("camera"); |
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214 | this->getCamera()->bind (myPlayer); |
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215 | this->localPlayer->addChild (this->localCamera); |
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216 | break; |
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217 | } |
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218 | default: |
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219 | printf("World::load() - no world with ID %i found", this->debugWorldNr ); |
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220 | } |
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221 | } |
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222 | else if(this->worldName != NULL) |
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223 | { |
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224 | |
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225 | } |
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226 | |
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227 | // initialize debug coord system |
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228 | objectList = glGenLists(1); |
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229 | glNewList (objectList, GL_COMPILE); |
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230 | glLoadIdentity(); |
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231 | glColor3f(1.0,0,0); |
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232 | glBegin(GL_QUADS); |
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233 | |
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234 | int sizeX = 100; |
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235 | int sizeY = 80; |
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236 | float length = 1000; |
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237 | float width = 200; |
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238 | float widthX = float (length /sizeX); |
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239 | float widthY = float (width /sizeY); |
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240 | |
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241 | float height [sizeX][sizeY]; |
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242 | Vector normal_vectors[sizeX][sizeY]; |
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243 | |
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244 | |
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245 | for ( int i = 0; i<sizeX-1; i+=1) |
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246 | for (int j = 0; j<sizeY-1;j+=1) |
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247 | //height[i][j] = rand()/20046 + (j-25)*(j-25)/30; |
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248 | #ifdef __WIN32__ |
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249 | height[i][j]=(sin((float)j/3)*rand()*i/182400)*.5; |
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250 | #else |
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251 | height[i][j]=(sin((float)j/3)*rand()*(long)i/6282450500.0)*.5; |
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252 | #endif |
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253 | |
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254 | //Die Hügel ein wenig glätten |
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255 | for (int h=1; h<2;h++) |
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256 | for (int i=1;i<sizeX-2 ;i+=1 ) |
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257 | for(int j=1;j<sizeY-2;j+=1) |
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258 | height[i][j]=(height[i+1][j]+height[i][j+1]+height[i-1][j]+height[i][j-1])/4; |
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259 | |
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260 | //Berechnung von normalen Vektoren |
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261 | |
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262 | for(int i=1;i<sizeX-2;i+=1) |
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263 | for(int j=1;j<sizeY-2 ;j+=1) |
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264 | { |
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265 | Vector v1 = Vector (widthX*(1), widthY*(j) , height[i][j]); |
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266 | Vector v2 = Vector (widthX*(i-1), widthY*(j) , height[i-1][j]); |
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267 | Vector v3 = Vector (widthX*(i), widthY*(j+1), height[i][j+1]); |
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268 | Vector v4 = Vector (widthX*(i+1), widthY*(j), height[i+1][j]); |
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269 | Vector v5 = Vector (widthX*(i), widthY*(j-1), height[i][j-1]); |
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270 | |
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271 | Vector c1 = v2 - v1; |
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272 | Vector c2 = v3 - v1; |
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273 | Vector c3= v4 - v1; |
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274 | Vector c4 = v5 - v1; |
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275 | Vector zero = Vector (0,0,0); |
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276 | normal_vectors[i][j]=c1.cross(v4-v2)+c2.cross(v1-v3)+c3.cross(v2-v4)+c4.cross(v3-v1); |
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277 | normal_vectors[i][j].normalize(); |
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278 | } |
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279 | |
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280 | int snowheight=3; |
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281 | for ( int i = 0; i<sizeX; i+=1) |
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282 | for (int j = 0; j<sizeY;j+=1) |
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283 | { |
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284 | Vector v1 = Vector (widthX*(i), widthY*(j) -width/2, height[i][j]-20 ); |
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285 | Vector v2 = Vector (widthX*(i+1), widthY*(j) -width/2, height[i+1][j]-20); |
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286 | Vector v3 = Vector (widthX*(i+1), widthY*(j+1)-width/2, height[i+1][j+1]-20); |
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287 | Vector v4 = Vector (widthX*(i), widthY*(j+1)-width/2, height[i][j+1]-20); |
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288 | float a[3]; |
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289 | if(height[i][j]<snowheight){ |
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290 | a[0]=0; |
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291 | a[1]=1.0-height[i][j]/10-.3; |
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292 | a[2]=0; |
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293 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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294 | } |
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295 | else{ |
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296 | a[0]=1.0; |
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297 | a[1]=1.0; |
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298 | a[2]=1.0; |
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299 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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300 | |
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301 | } |
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302 | glNormal3f(normal_vectors[i][j].x, normal_vectors[i][j].y, normal_vectors[i][j].z); |
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303 | glVertex3f(v1.x, v1.y, v1.z); |
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304 | if(height[i+1][j]<snowheight){ |
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305 | a[0]=0; |
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306 | a[1] =1.0-height[i+1][j]/10-.3; |
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307 | a[2]=0; |
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308 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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309 | } |
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310 | else{ |
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311 | a[0]=1.0; |
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312 | a[1]=1.0; |
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313 | a[2]=1.0; |
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314 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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315 | |
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316 | } |
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317 | glNormal3f(normal_vectors[i+1][j].x, normal_vectors[i+1][j].y, normal_vectors[i+1][j].z); |
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318 | glVertex3f(v2.x, v2.y, v2.z); |
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319 | if(height[i+1][j+1]<snowheight){ |
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320 | a[0]=0; |
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321 | a[1] =1.0-height[i+1][j+1]/10-.3; |
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322 | a[2]=0; |
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323 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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324 | } |
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325 | else{ |
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326 | a[0]=1.0; |
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327 | a[1]=1.0; |
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328 | a[2]=1.0; |
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329 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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330 | |
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331 | |
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332 | } |
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333 | glNormal3f(normal_vectors[i+1][j+1].x, normal_vectors[i+1][j+1].y, normal_vectors[i+1][j+1].z); |
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334 | glVertex3f(v3.x, v3.y, v3.z); |
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335 | if(height[i][j+1]<snowheight){ |
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336 | a[0]=0; |
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337 | a[1] =1.0-height[i+1][j+1]/10-.3; |
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338 | a[2]=0; |
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339 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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340 | } |
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341 | else{ |
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342 | a[0]=1.0; |
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343 | a[1]=1.0; |
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344 | a[2]=1.0; |
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345 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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346 | } |
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347 | glNormal3f(normal_vectors[i][j+1].x, normal_vectors[i][j+1].y, normal_vectors[i][j+1].z); |
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348 | glVertex3f(v4.x, v4.y, v4.z); |
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349 | |
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350 | } |
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351 | glEnd(); |
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352 | /* |
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353 | glBegin(GL_LINES); |
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354 | for( float x = -128.0; x < 128.0; x += 25.0) |
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355 | { |
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356 | for( float y = -128.0; y < 128.0; y += 25.0) |
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357 | { |
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358 | glColor3f(1,0,0); |
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359 | glVertex3f(x,y,-128.0); |
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360 | glVertex3f(x,y,0.0); |
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361 | glColor3f(0.5,0,0); |
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362 | glVertex3f(x,y,0.0); |
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363 | glVertex3f(x,y,128.0); |
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364 | } |
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365 | } |
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366 | for( float y = -128.0; y < 128.0; y += 25.0) |
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367 | { |
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368 | for( float z = -128.0; z < 128.0; z += 25.0) |
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369 | { |
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370 | glColor3f(0,1,0); |
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371 | glVertex3f(-128.0,y,z); |
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372 | glVertex3f(0.0,y,z); |
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373 | glColor3f(0,0.5,0); |
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374 | glVertex3f(0.0,y,z); |
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375 | glVertex3f(128.0,y,z); |
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376 | } |
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377 | } |
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378 | for( float x = -128.0; x < 128.0; x += 25.0) |
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379 | { |
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380 | for( float z = -128.0; z < 128.0; z += 25.0) |
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381 | { |
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382 | glColor3f(0,0,1); |
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383 | glVertex3f(x,-128.0,z); |
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384 | glVertex3f(x,0.0,z); |
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385 | glColor3f(0,0,0.5); |
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386 | glVertex3f(x,0.0,z); |
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387 | glVertex3f(x,128.0,z); |
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388 | } |
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389 | |
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390 | } |
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391 | */ |
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392 | //draw track |
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393 | glBegin(GL_LINES); |
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394 | glColor3f(0,1,1); |
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395 | for( int i = 0; i < tracklen; i++) |
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396 | { |
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397 | glVertex3f(pathnodes[i].x,pathnodes[i].y,pathnodes[i].z); |
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398 | glVertex3f(pathnodes[(i+1)%tracklen].x,pathnodes[(i+1)%tracklen].y,pathnodes[(i+1)%tracklen].z); |
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399 | } |
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400 | glEnd(); |
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401 | glEndList(); |
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402 | } |
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403 | |
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404 | |
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405 | /** |
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406 | \brief checks for collisions |
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407 | |
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408 | This method runs through all WorldEntities known to the world and checks for collisions |
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409 | between them. In case of collisions the collide() method of the corresponding entities |
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410 | is called. |
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411 | */ |
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412 | void World::collide () |
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413 | { |
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414 | /* |
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415 | List *a, *b; |
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416 | WorldEntity *aobj, *bobj; |
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417 | |
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418 | a = entities; |
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419 | |
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420 | while( a != NULL) |
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421 | { |
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422 | aobj = a->nextElement(); |
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423 | if( aobj->bCollide && aobj->collisioncluster != NULL) |
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424 | { |
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425 | b = a->nextElement(); |
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426 | while( b != NULL ) |
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427 | { |
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428 | bobj = b->nextElement(); |
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429 | if( bobj->bCollide && bobj->collisioncluster != NULL ) |
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430 | { |
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431 | unsigned long ahitflg, bhitflg; |
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432 | if( check_collision ( &aobj->place, aobj->collisioncluster, |
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433 | &ahitflg, &bobj->place, bobj->collisioncluster, |
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434 | &bhitflg) ); |
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435 | { |
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436 | aobj->collide (bobj, ahitflg, bhitflg); |
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437 | bobj->collide (aobj, bhitflg, ahitflg); |
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438 | } |
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439 | } |
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440 | b = b->nextElement(); |
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441 | } |
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442 | } |
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443 | a = a->enumerate(); |
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444 | } |
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445 | */ |
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446 | } |
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447 | |
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448 | /** |
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449 | \brief runs through all entities calling their draw() methods |
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450 | */ |
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451 | void World::draw () |
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452 | { |
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453 | // draw entities |
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454 | WorldEntity* entity; |
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455 | entity = this->entities->enumerate(); |
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456 | while( entity != NULL ) |
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457 | { |
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458 | if( entity->bDraw ) entity->draw(); |
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459 | entity = this->entities->nextElement(); |
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460 | } |
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461 | |
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462 | // draw debug coord system |
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463 | glCallList (objectList); |
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464 | |
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465 | |
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466 | } |
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467 | |
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468 | /** |
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469 | \brief updates Placements and notifies entities when they left the |
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470 | world |
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471 | |
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472 | This runs trough all WorldEntities and maps Locations to Placements |
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473 | if they are bound, checks whether they left the level boundaries |
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474 | and calls appropriate functions. |
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475 | */ |
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476 | void World::update () |
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477 | { |
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478 | /* |
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479 | //List<WorldEntity> *l; |
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480 | WorldEntity* entity; |
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481 | Location* loc; |
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482 | Placement* plc; |
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483 | Uint32 t; |
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484 | |
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485 | // l = entities->enumerate(); |
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486 | entity = this->entities->enumerate(); |
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487 | while( entity != NULL ) |
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488 | { |
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489 | |
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490 | |
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491 | if( !entity->isFree() ) |
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492 | { |
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493 | loc = entity->getLocation(); |
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494 | plc = entity->getPlacement(); |
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495 | t = loc->part; |
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496 | |
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497 | if( t >= tracklen ) |
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498 | { |
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499 | printf("An entity is out of the game area\n"); |
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500 | entity->leftWorld (); |
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501 | } |
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502 | else |
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503 | { |
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504 | while( track[t].mapCoords( loc, plc) ) |
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505 | { |
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506 | track[t].postLeave (entity); |
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507 | if( loc->part >= tracklen ) |
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508 | { |
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509 | printf("An entity has left the game area\n"); |
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510 | entity->leftWorld (); |
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511 | break; |
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512 | } |
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513 | track[loc->part].postEnter (entity); |
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514 | } |
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515 | } |
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516 | } |
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517 | else |
---|
518 | { |
---|
519 | } |
---|
520 | |
---|
521 | entity = entities->nextElement(); |
---|
522 | } |
---|
523 | */ |
---|
524 | } |
---|
525 | |
---|
526 | /** |
---|
527 | \brief relays the passed time since the last frame to entities and Track parts |
---|
528 | \param deltaT: the time passed since the last frame in milliseconds |
---|
529 | */ |
---|
530 | void World::timeSlice (Uint32 deltaT) |
---|
531 | { |
---|
532 | //List<WorldEntity> *l; |
---|
533 | WorldEntity* entity; |
---|
534 | float seconds = deltaT / 1000.0; |
---|
535 | |
---|
536 | this->nullParent->update (seconds); |
---|
537 | //this->nullParent->processTick (seconds); |
---|
538 | |
---|
539 | entity = entities->enumerate(); |
---|
540 | while( entity != NULL) |
---|
541 | { |
---|
542 | entity->tick (seconds); |
---|
543 | entity = entities->nextElement(); |
---|
544 | } |
---|
545 | |
---|
546 | //for( int i = 0; i < tracklen; i++) track[i].tick (seconds); |
---|
547 | } |
---|
548 | |
---|
549 | /** |
---|
550 | \brief removes level data from memory |
---|
551 | */ |
---|
552 | void World::unload() |
---|
553 | { |
---|
554 | if( pathnodes) delete []pathnodes; |
---|
555 | if( track) delete []pathnodes; |
---|
556 | } |
---|
557 | |
---|
558 | |
---|
559 | |
---|
560 | /** |
---|
561 | \brief calls the correct mapping function to convert a given "look at"-Location to a |
---|
562 | Camera Placement |
---|
563 | */ |
---|
564 | void World::calcCameraPos (Location* loc, Placement* plc) |
---|
565 | { |
---|
566 | track[loc->part].mapCamera (loc, plc); |
---|
567 | } |
---|
568 | |
---|
569 | |
---|
570 | void World::setTrackLen(Uint32 len) |
---|
571 | { |
---|
572 | this->tracklen = len; |
---|
573 | } |
---|
574 | |
---|
575 | int World::getTrackLen() |
---|
576 | { |
---|
577 | return this->tracklen; |
---|
578 | } |
---|
579 | |
---|
580 | |
---|
581 | |
---|
582 | /** |
---|
583 | \brief function to put your own debug stuff into it. it can display informations about |
---|
584 | the current class/procedure |
---|
585 | */ |
---|
586 | void World::debug() |
---|
587 | { |
---|
588 | printf ("World::debug() - starting debug\n"); |
---|
589 | PNode* p1 = new NullParent (); |
---|
590 | PNode* p2 = new PNode (new Vector(2, 2, 2), p1); |
---|
591 | PNode* p3 = new PNode (new Vector(4, 4, 4), p1); |
---|
592 | PNode* p4 = new PNode (new Vector(6, 6, 6), p2); |
---|
593 | |
---|
594 | p1->debug (); |
---|
595 | p2->debug (); |
---|
596 | p3->debug (); |
---|
597 | p4->debug (); |
---|
598 | |
---|
599 | p1->shiftCoor (new Vector(-1, -1, -1)); |
---|
600 | |
---|
601 | printf("World::debug() - shift\n"); |
---|
602 | p1->debug (); |
---|
603 | p2->debug (); |
---|
604 | p3->debug (); |
---|
605 | p4->debug (); |
---|
606 | |
---|
607 | p1->update (1); |
---|
608 | |
---|
609 | printf ("World::debug() - update\n"); |
---|
610 | p1->debug (); |
---|
611 | p2->debug (); |
---|
612 | p3->debug (); |
---|
613 | p4->debug (); |
---|
614 | |
---|
615 | p2->shiftCoor (new Vector(-1, -1, -1)); |
---|
616 | p1->update (2); |
---|
617 | |
---|
618 | p1->debug (); |
---|
619 | p2->debug (); |
---|
620 | p3->debug (); |
---|
621 | p4->debug (); |
---|
622 | |
---|
623 | p2->setAbsCoor (new Vector(1,2,3)); |
---|
624 | |
---|
625 | |
---|
626 | p1->update (2); |
---|
627 | |
---|
628 | p1->debug (); |
---|
629 | p2->debug (); |
---|
630 | p3->debug (); |
---|
631 | p4->debug (); |
---|
632 | |
---|
633 | p1->destroy (); |
---|
634 | |
---|
635 | |
---|
636 | /* |
---|
637 | WorldEntity* entity; |
---|
638 | printf("counting all entities\n"); |
---|
639 | printf("World::debug() - enumerate()\n"); |
---|
640 | entity = entities->enumerate(); |
---|
641 | while( entity != NULL ) |
---|
642 | { |
---|
643 | if( entity->bDraw ) printf("got an entity\n"); |
---|
644 | entity = entities->nextElement(); |
---|
645 | } |
---|
646 | */ |
---|
647 | } |
---|
648 | |
---|
649 | |
---|
650 | /* |
---|
651 | \brief main loop of the world: executing all world relevant function |
---|
652 | |
---|
653 | in this loop we synchronize (if networked), handle input events, give the heart-beat to |
---|
654 | all other member-entities of the world (tick to player, enemies etc.), checking for |
---|
655 | collisions drawing everything to the screen. |
---|
656 | */ |
---|
657 | void World::mainLoop() |
---|
658 | { |
---|
659 | this->lastFrame = SDL_GetTicks (); |
---|
660 | printf("World::mainLoop() - Entering main loop\n"); |
---|
661 | while( !this->bQuitOrxonox && !this->bQuitCurrentGame) /* \todo implement pause */ |
---|
662 | { |
---|
663 | // Network |
---|
664 | this->synchronize (); |
---|
665 | // Process input |
---|
666 | this->handleInput (); |
---|
667 | if( this->bQuitCurrentGame || this->bQuitOrxonox) |
---|
668 | { |
---|
669 | printf("World::mainLoop() - leaving loop earlier...\n"); |
---|
670 | break; |
---|
671 | } |
---|
672 | // Process time |
---|
673 | this->timeSlice (); |
---|
674 | // Process collision |
---|
675 | this->collision (); |
---|
676 | // Draw |
---|
677 | this->display (); |
---|
678 | |
---|
679 | for( int i = 0; i < 10000000; i++) {} |
---|
680 | } |
---|
681 | printf("World::mainLoop() - Exiting the main loop\n"); |
---|
682 | } |
---|
683 | |
---|
684 | /** |
---|
685 | \brief synchronize local data with remote data |
---|
686 | */ |
---|
687 | void World::synchronize () |
---|
688 | { |
---|
689 | // Get remote input |
---|
690 | // Update synchronizables |
---|
691 | } |
---|
692 | |
---|
693 | /** |
---|
694 | \brief run all input processing |
---|
695 | |
---|
696 | the command node is the central input event dispatcher. the node uses the even-queue from |
---|
697 | sdl and has its own event-passing-queue. |
---|
698 | */ |
---|
699 | void World::handleInput () |
---|
700 | { |
---|
701 | // localinput |
---|
702 | CommandNode* cn = Orxonox::getInstance()->getLocalInput(); |
---|
703 | cn->process(); |
---|
704 | // remoteinput |
---|
705 | } |
---|
706 | |
---|
707 | /** |
---|
708 | \brief advance the timeline |
---|
709 | |
---|
710 | this calculates the time used to process one frame (with all input handling, drawing, etc) |
---|
711 | the time is mesured in ms and passed to all world-entities and other classes that need |
---|
712 | a heart-beat. |
---|
713 | */ |
---|
714 | void World::timeSlice () |
---|
715 | { |
---|
716 | Uint32 currentFrame = SDL_GetTicks(); |
---|
717 | if(!this->bPause) |
---|
718 | { |
---|
719 | Uint32 dt = currentFrame - this->lastFrame; |
---|
720 | |
---|
721 | if(dt > 0) |
---|
722 | { |
---|
723 | float fps = 1000/dt; |
---|
724 | printf("fps = %f\n", fps); |
---|
725 | } |
---|
726 | else |
---|
727 | { |
---|
728 | /* the frame-rate is limited to 100 frames per second, all other things are for |
---|
729 | nothing. |
---|
730 | */ |
---|
731 | printf("fps = 1000 - frame rate is adjusted\n"); |
---|
732 | SDL_Delay(10); |
---|
733 | dt = 10; |
---|
734 | } |
---|
735 | this->timeSlice (dt); |
---|
736 | this->update (); |
---|
737 | this->localCamera->timeSlice(dt); |
---|
738 | } |
---|
739 | this->lastFrame = currentFrame; |
---|
740 | } |
---|
741 | |
---|
742 | |
---|
743 | /** |
---|
744 | \brief compute collision detection |
---|
745 | */ |
---|
746 | void World::collision () |
---|
747 | { |
---|
748 | this->collide (); |
---|
749 | } |
---|
750 | |
---|
751 | |
---|
752 | /** |
---|
753 | \brief render the current frame |
---|
754 | |
---|
755 | clear all buffers and draw the world |
---|
756 | */ |
---|
757 | void World::display () |
---|
758 | { |
---|
759 | // clear buffer |
---|
760 | glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
---|
761 | // set camera |
---|
762 | this->localCamera->apply (); |
---|
763 | // draw world |
---|
764 | this->draw(); |
---|
765 | // draw HUD |
---|
766 | // flip buffers |
---|
767 | SDL_GL_SwapBuffers(); |
---|
768 | } |
---|
769 | |
---|
770 | /** |
---|
771 | \brief give back active camera |
---|
772 | |
---|
773 | this passes back the actualy active camera |
---|
774 | \todo ability to define more than one camera or camera-places |
---|
775 | */ |
---|
776 | Camera* World::getCamera() |
---|
777 | { |
---|
778 | return this->localCamera; |
---|
779 | } |
---|
780 | |
---|
781 | |
---|
782 | /** |
---|
783 | \brief add and spawn a new entity to this world |
---|
784 | \param entity to be added |
---|
785 | */ |
---|
786 | void World::spawn(WorldEntity* entity) |
---|
787 | { |
---|
788 | if( this->nullParent != NULL && entity->parent == NULL) |
---|
789 | this->nullParent->addChild (entity); |
---|
790 | |
---|
791 | this->entities->add (entity); |
---|
792 | |
---|
793 | entity->postSpawn (); |
---|
794 | } |
---|
795 | |
---|
796 | |
---|
797 | /** |
---|
798 | \brief add and spawn a new entity to this world |
---|
799 | \param entity to be added |
---|
800 | \param location where to add |
---|
801 | */ |
---|
802 | void World::spawn(WorldEntity* entity, Vector* absCoor, Quaternion* absDir) |
---|
803 | { |
---|
804 | entity->setAbsCoor (absCoor); |
---|
805 | entity->setAbsDir (absDir); |
---|
806 | |
---|
807 | if( this->nullParent != NULL && entity->parent == NULL) |
---|
808 | this->nullParent->addChild (entity); |
---|
809 | |
---|
810 | this->entities->add (entity); |
---|
811 | |
---|
812 | entity->postSpawn (); |
---|
813 | } |
---|
814 | |
---|
815 | |
---|
816 | |
---|
817 | /* |
---|
818 | \brief commands that the world must catch |
---|
819 | \returns false if not used by the world |
---|
820 | */ |
---|
821 | bool World::command(Command* cmd) |
---|
822 | { |
---|
823 | return false; |
---|
824 | } |
---|
825 | |
---|