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: ... |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_PHYSICS |
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17 | |
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18 | #include "physics_engine.h" |
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19 | |
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20 | #include "debug.h" |
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21 | |
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22 | #include "list.h" |
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23 | #include "tinyxml.h" |
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24 | #include "factory.h" |
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25 | |
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26 | using namespace std; |
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27 | |
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28 | |
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29 | /** |
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30 | \brief standard constructor |
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31 | */ |
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32 | PhysicsEngine::PhysicsEngine(void) |
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33 | { |
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34 | this->setClassID(CL_PHYSICS_ENGINE, "PhysicsEngine"); |
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35 | this->setName("PhysicsEngine"); |
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36 | this->connections = new tList<PhysicsConnection>; |
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37 | this->interfaces = new tList<PhysicsInterface>; |
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38 | this->fields = new tList<Field>; |
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39 | } |
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40 | |
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41 | /** |
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42 | \brief the singleton reference to this class |
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43 | */ |
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44 | PhysicsEngine* PhysicsEngine::singletonRef = NULL; |
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45 | |
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46 | /** |
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47 | \brief standard deconstructor |
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48 | |
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49 | */ |
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50 | PhysicsEngine::~PhysicsEngine(void) |
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51 | { |
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52 | PhysicsEngine::singletonRef = NULL; |
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53 | } |
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54 | |
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55 | /** |
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56 | \param root the XML-element to load settings from |
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57 | */ |
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58 | void PhysicsEngine::loadParams(const TiXmlElement* root) |
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59 | { |
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60 | const TiXmlElement* element = NULL; |
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61 | |
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62 | PRINTF(4)("Loading Physical Fields\n"); |
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63 | element = root->FirstChildElement("Fields"); |
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64 | element = element->FirstChildElement(); |
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65 | while (element != NULL) |
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66 | { |
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67 | Factory::getFirst()->fabricate(element); |
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68 | |
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69 | element = element->NextSiblingElement(); |
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70 | } |
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71 | element = NULL; |
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72 | |
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73 | PRINTF(4)("Loading Physical Connections\n"); |
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74 | element = root->FirstChildElement("Connections"); |
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75 | element = element->FirstChildElement(); |
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76 | while (element != NULL) |
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77 | { |
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78 | Factory::getFirst()->fabricate(element); |
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79 | |
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80 | element = element->NextSiblingElement(); |
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81 | } |
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82 | } |
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83 | |
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84 | /** |
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85 | \brief adds a PhysicsInterface to the list of handeled physicsInterfaces |
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86 | \param physicsInterface the interface to add |
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87 | |
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88 | this is normally done in the constructor of any PhysicsInterface |
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89 | */ |
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90 | void PhysicsEngine::addPhysicsInterface(PhysicsInterface* physicsInterface) |
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91 | { |
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92 | this->interfaces->add(physicsInterface); |
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93 | } |
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94 | |
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95 | /** |
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96 | \brief removes a PhysicsInterface from the list of handeled physicsInterfaces |
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97 | \param physicsInterface the interface to remove |
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98 | |
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99 | this is normally done in the destructor of any PhysicsInterface |
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100 | */ |
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101 | void PhysicsEngine::removePhysicsInterface(PhysicsInterface* physicsInterface) |
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102 | { |
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103 | this->interfaces->remove(physicsInterface); |
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104 | } |
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105 | |
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106 | /** |
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107 | \param physicsInterfaceName the Name of the PhysicsInterface to search for |
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108 | \returns the PhysicsInterface if found, or NULL if not |
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109 | */ |
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110 | PhysicsInterface* PhysicsEngine::getPhysicsInterfaceByName(const char* physicsInterfaceName) const |
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111 | { |
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112 | tIterator<PhysicsInterface>* tmpIt = interfaces->getIterator(); |
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113 | PhysicsInterface* tmpInt = tmpIt->nextElement(); |
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114 | while(tmpInt) |
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115 | { |
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116 | if (!strcmp(physicsInterfaceName, tmpInt->getName())) |
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117 | { |
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118 | delete tmpIt; |
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119 | return tmpInt; |
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120 | } |
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121 | tmpInt = tmpIt->nextElement(); |
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122 | } |
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123 | delete tmpIt; |
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124 | return NULL; |
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125 | } |
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126 | |
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127 | /** |
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128 | \brief adds a Field to the list of handeled fields |
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129 | \param field the field to add |
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130 | |
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131 | this is normally done in the constructor of any Field |
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132 | */ |
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133 | void PhysicsEngine::addField(Field* field) |
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134 | { |
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135 | this->fields->add(field); |
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136 | } |
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137 | |
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138 | /** |
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139 | \brief removes a Field from the list of handeled fields |
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140 | \param field the field to remove |
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141 | |
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142 | this is normally done in the destructor of any Field |
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143 | */ |
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144 | void PhysicsEngine::removeField(Field* field) |
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145 | { |
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146 | this->fields->remove(field); |
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147 | } |
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148 | |
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149 | /** |
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150 | \param FieldName the Name of the PhysicsInterface to search for |
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151 | \returns the Field if found, or NULL if not |
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152 | */ |
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153 | Field* PhysicsEngine::getFieldByName(const char* FieldName) const |
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154 | { |
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155 | tIterator<Field>* tmpIt = fields->getIterator(); |
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156 | Field* tmpField = tmpIt->nextElement(); |
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157 | while(tmpField) |
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158 | { |
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159 | if (!strcmp(FieldName, tmpField->getName())) |
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160 | { |
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161 | delete tmpIt; |
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162 | return tmpField; |
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163 | } |
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164 | tmpField = tmpIt->nextElement(); |
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165 | } |
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166 | delete tmpIt; |
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167 | return NULL; |
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168 | } |
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169 | |
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170 | |
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171 | |
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172 | /** |
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173 | \brief adds A Physical Connection to the List of Connections |
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174 | \param connection the Connection to add |
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175 | |
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176 | Usually this is done through the constructor of PhysicshConnections |
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177 | */ |
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178 | void PhysicsEngine::addConnection(PhysicsConnection* connection) |
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179 | { |
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180 | this->connections->add(connection); |
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181 | } |
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182 | |
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183 | /** |
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184 | \brief removes A Physical Connection from the List of Connections |
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185 | \param connection the Connection to remove |
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186 | |
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187 | Usually this is done through the destructor of PhysicsConnections |
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188 | */ |
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189 | void PhysicsEngine::removeConnection(PhysicsConnection* connection) |
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190 | { |
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191 | this->connections->remove(connection); |
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192 | } |
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193 | |
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194 | /** |
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195 | \param physicsConnectionName the Name of the PhysicsInterface to search for |
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196 | \returns the PhysicsConnection if found, or NULL if not |
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197 | */ |
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198 | PhysicsConnection* PhysicsEngine::getPhysicsConnectionByName(const char* physicsConnectionName) const |
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199 | { |
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200 | tIterator<PhysicsConnection>* tmpIt = connections->getIterator(); |
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201 | PhysicsConnection* tmpConn = tmpIt->nextElement(); |
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202 | while(tmpConn) |
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203 | { |
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204 | if (!strcmp(physicsConnectionName, tmpConn->getName())) |
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205 | { |
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206 | delete tmpIt; |
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207 | return tmpConn; |
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208 | } |
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209 | tmpConn = tmpIt->nextElement(); |
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210 | } |
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211 | delete tmpIt; |
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212 | return NULL; |
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213 | } |
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214 | |
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215 | |
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216 | |
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217 | /** |
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218 | \brief Steps through all the Connections and Ticks them |
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219 | \param dt The time Passed in Seconds |
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220 | |
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221 | This function brings a flow into the whole animation |
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222 | */ |
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223 | void PhysicsEngine::tick(float dt) |
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224 | { |
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225 | /* go through all the PhysicsInterface(s) and tick them, |
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226 | meaning let the fields work */ |
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227 | tIterator<PhysicsConnection>* itPC = this->connections->getIterator(); |
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228 | PhysicsConnection* enumPC = itPC->nextElement(); |
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229 | while (enumPC) |
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230 | { |
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231 | enumPC->apply(); |
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232 | |
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233 | enumPC = itPC->nextElement(); |
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234 | } |
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235 | delete itPC; |
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236 | |
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237 | /* actually tick all the PhysicsInterfaces. Move the objects around */ |
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238 | tIterator<PhysicsInterface>* itPI = this->interfaces->getIterator(); |
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239 | PhysicsInterface* enumPI = itPI->nextElement(); |
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240 | while (enumPI) |
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241 | { |
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242 | enumPI->tickPhys(dt); |
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243 | |
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244 | enumPI = itPI->nextElement(); |
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245 | } |
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246 | delete itPI; |
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247 | } |
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248 | |
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249 | |
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250 | |
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251 | /** |
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252 | \brief print out interesting debug information of this class |
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253 | */ |
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254 | void PhysicsEngine::debug(void) const |
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255 | { |
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256 | PRINT(0)("====================================\n"); |
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257 | PRINT(0)("= Physics-Engine debug information =\n"); |
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258 | PRINT(0)("====================================\n"); |
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259 | PRINT(0)(" reference: %p\n", this); |
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260 | PRINT(0)(" number of Interfaces: %d\n", this->interfaces->getSize()); |
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261 | PRINT(0)(" number of Fields: %d\n", this->fields->getSize()); |
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262 | PRINT(0)(" number of Connections: %d\n", this->connections->getSize()); |
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263 | |
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264 | PRINT(0)("==============================PHYS==\n"); |
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265 | } |
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