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: Patrick Boenzli |
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13 | co-programmer: Benjamin Grauer |
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14 | */ |
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15 | |
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16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_PNODE |
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17 | |
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18 | #include "p_node.h" |
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19 | |
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20 | #include "util/loading/load_param.h" |
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21 | #include "class_list.h" |
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22 | |
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23 | #include <algorithm> |
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24 | #include "compiler.h" |
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25 | #include "debug.h" |
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26 | |
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27 | #include "glincl.h" |
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28 | #include "color.h" |
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29 | |
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30 | #include "synchronizeable.h" |
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31 | |
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32 | /** |
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33 | * @brief standard constructor |
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34 | * @param parent the Parent of this Node. __NULL__ if __No Parent__ requested, PNode::getNullParent(), if connected to NullParent directly (default) |
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35 | * @param nodeFlags all flags to set. THIS_WILL_OVERWRITE Default_Values. |
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36 | */ |
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37 | PNode::PNode (PNode* parent, long nodeFlags) |
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38 | : Synchronizeable(), BaseObject() |
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39 | { |
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40 | this->setClassID(CL_PARENT_NODE, "PNode"); |
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41 | |
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42 | this->bRelCoorChanged = true; |
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43 | this->bRelDirChanged = true; |
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44 | this->parent = NULL; |
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45 | this->parentMode = nodeFlags; |
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46 | this->bActive = true; |
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47 | |
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48 | // smooth-movers |
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49 | this->toCoordinate = NULL; |
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50 | this->toDirection = NULL; |
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51 | this->bias = 1.0; |
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52 | |
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53 | if (parent != NULL) |
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54 | parent->addChild(this); |
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55 | |
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56 | this->relCoordinate_handle = this->registerVarId( new SynchronizeableVector( &relCoordinate, &relCoordinate_write, "coordinate" ) ); |
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57 | this->relDirection_handle = this->registerVarId( new SynchronizeableQuaternion( &relDirection, &relDirection_write, "direction" ) ); |
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58 | } |
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59 | |
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60 | // NullParent Reference |
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61 | PNode* PNode::nullParent = NULL; |
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62 | |
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63 | /** |
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64 | * @brief standard deconstructor |
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65 | * |
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66 | * There are two general ways to delete a PNode |
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67 | * 1. delete instance; |
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68 | * -> result |
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69 | * delete this Node and all its children and children's children... |
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70 | * (danger if you still need the children's instance somewhere else!!) |
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71 | * |
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72 | * 2. instance->removeNode(); delete instance; |
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73 | * -> result: |
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74 | * moves its children to the NullParent |
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75 | * then deletes the Element. |
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76 | */ |
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77 | PNode::~PNode () |
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78 | { |
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79 | PRINTF(4)("delete %s::%s\n", this->getClassName(), this->getName()); |
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80 | // remove the Node, delete it's children (if required). |
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81 | std::list<PNode*>::iterator deleteNode; |
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82 | unsigned int size; |
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83 | while(!this->children.empty()) |
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84 | { |
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85 | deleteNode = this->children.begin(); |
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86 | size = this->children.size(); |
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87 | if ((this->parentMode & PNODE_PROHIBIT_CHILD_DELETE) || |
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88 | ((*deleteNode)->parentMode & PNODE_PROHIBIT_DELETE_WITH_PARENT)) |
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89 | { |
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90 | if (this == PNode::nullParent && (*deleteNode)->parentMode & PNODE_REPARENT_TO_NULL) |
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91 | { |
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92 | PRINTF(4)("%s::%s deletes %s::%s\n", |
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93 | this->getClassName(), this->getName(), |
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94 | (*deleteNode)->getClassName(), (*deleteNode)->getName()); |
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95 | delete (*deleteNode); |
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96 | } |
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97 | else |
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98 | { |
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99 | PRINTF(4)("%s::%s reparents %s::%s\n", |
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100 | this->getClassName(), this->getName(), |
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101 | (*deleteNode)->getClassName(), (*deleteNode)->getName()); |
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102 | (*deleteNode)->reparent(); |
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103 | } |
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104 | } |
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105 | else |
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106 | { |
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107 | PRINTF(4)("%s::%s deletes PNode: %s::%s\n", |
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108 | this->getClassName(), this->getName(), |
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109 | (*deleteNode)->getClassName(), (*deleteNode)->getName()); |
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110 | delete (*deleteNode); |
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111 | } |
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112 | } |
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113 | |
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114 | if (this->parent != NULL) |
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115 | { |
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116 | this->parent->eraseChild(this); |
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117 | this->parent = NULL; |
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118 | } |
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119 | |
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120 | // remove all other allocated memory. |
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121 | if (this->toCoordinate != NULL) |
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122 | delete this->toCoordinate; |
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123 | if (this->toDirection != NULL) |
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124 | delete this->toDirection; |
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125 | |
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126 | if (this == PNode::nullParent) |
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127 | PNode::nullParent = NULL; |
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128 | } |
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129 | |
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130 | |
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131 | /** |
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132 | * @brief loads parameters of the PNode |
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133 | * @param root the XML-element to load the properties of |
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134 | */ |
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135 | void PNode::loadParams(const TiXmlElement* root) |
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136 | { |
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137 | BaseObject::loadParams(root); |
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138 | |
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139 | LoadParam(root, "rel-coor", this, PNode, setRelCoor) |
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140 | .describe("Sets The relative position of the Node to its parent."); |
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141 | |
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142 | LoadParam(root, "abs-coor", this, PNode, setAbsCoor) |
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143 | .describe("Sets The absolute Position of the Node."); |
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144 | |
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145 | LoadParam(root, "rel-dir", this, PNode, setRelDir) |
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146 | .describe("Sets The relative rotation of the Node to its parent."); |
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147 | |
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148 | LoadParam(root, "abs-dir", this, PNode, setAbsDir) |
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149 | .describe("Sets The absolute rotation of the Node."); |
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150 | |
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151 | LoadParam(root, "parent", this, PNode, setParent) |
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152 | .describe("the Name of the Parent to set for this PNode"); |
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153 | |
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154 | LoadParam(root, "parent-mode", this, PNode, setParentMode) |
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155 | .describe("the mode to connect this node to its parent ()"); |
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156 | |
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157 | // cycling properties |
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158 | if (root != NULL) |
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159 | { |
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160 | LOAD_PARAM_START_CYCLE(root, element); |
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161 | { |
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162 | LoadParam_CYCLE(element, "child", this, PNode, addChild) |
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163 | .describe("adds a new Child to the current Node."); |
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164 | |
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165 | } |
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166 | LOAD_PARAM_END_CYCLE(element); |
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167 | } |
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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 | * init the pnode to a well definied state |
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173 | * |
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174 | * this function actualy only updates the PNode tree |
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175 | */ |
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176 | void PNode::init() |
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177 | { |
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178 | /* just update all aboslute positions via timestep 0.001ms */ |
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179 | this->updateNode(0.001f); |
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180 | this->updateNode(0.001f); |
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181 | } |
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182 | |
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183 | |
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184 | /** |
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185 | * @brief set relative coordinates |
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186 | * @param relCoord relative coordinates to its parent |
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187 | * |
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188 | * |
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189 | * it is very importand, that you use this function, if you want to update the |
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190 | * relCoordinates. If you don't use this, the PNode won't recognize, that something |
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191 | * has changed and won't update the children Nodes. |
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192 | */ |
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193 | void PNode::setRelCoor (const Vector& relCoord) |
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194 | { |
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195 | if (this->toCoordinate!= NULL) |
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196 | { |
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197 | delete this->toCoordinate; |
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198 | this->toCoordinate = NULL; |
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199 | } |
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200 | |
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201 | this->relCoordinate = relCoord; |
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202 | this->bRelCoorChanged = true; |
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203 | } |
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204 | |
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205 | /** |
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206 | * @brief set relative coordinates |
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207 | * @param x x-relative coordinates to its parent |
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208 | * @param y y-relative coordinates to its parent |
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209 | * @param z z-relative coordinates to its parent |
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210 | * @see void PNode::setRelCoor (const Vector& relCoord) |
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211 | */ |
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212 | void PNode::setRelCoor (float x, float y, float z) |
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213 | { |
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214 | this->setRelCoor(Vector(x, y, z)); |
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215 | } |
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216 | |
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217 | /** |
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218 | * @brief sets a new relative position smoothely |
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219 | * @param relCoordSoft the new Position to iterate to |
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220 | * @param bias how fast to iterate to this position |
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221 | */ |
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222 | void PNode::setRelCoorSoft(const Vector& relCoordSoft, float bias) |
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223 | { |
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224 | if (likely(this->toCoordinate == NULL)) |
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225 | this->toCoordinate = new Vector(); |
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226 | |
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227 | *this->toCoordinate = relCoordSoft; |
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228 | this->bias = bias; |
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229 | } |
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230 | |
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231 | |
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232 | /** |
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233 | * @brief set relative coordinates smoothely |
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234 | * @param x x-relative coordinates to its parent |
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235 | * @param y y-relative coordinates to its parent |
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236 | * @param z z-relative coordinates to its parent |
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237 | * @see void PNode::setRelCoorSoft (const Vector&, float) |
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238 | */ |
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239 | void PNode::setRelCoorSoft (float x, float y, float z, float bias) |
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240 | { |
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241 | this->setRelCoorSoft(Vector(x, y, z), bias); |
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242 | } |
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243 | |
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244 | |
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245 | /** |
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246 | * @param absCoord set absolute coordinate |
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247 | */ |
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248 | void PNode::setAbsCoor (const Vector& absCoord) |
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249 | { |
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250 | if (this->toCoordinate!= NULL) |
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251 | { |
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252 | delete this->toCoordinate; |
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253 | this->toCoordinate = NULL; |
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254 | } |
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255 | |
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256 | if( likely(this->parentMode & PNODE_MOVEMENT)) |
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257 | { |
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258 | /* if you have set the absolute coordinates this overrides all other changes */ |
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259 | if (likely(this->parent != NULL)) |
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260 | this->relCoordinate = absCoord - parent->getAbsCoor (); |
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261 | else |
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262 | this->relCoordinate = absCoord; |
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263 | } |
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264 | if( this->parentMode & PNODE_ROTATE_MOVEMENT) |
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265 | { |
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266 | if (likely(this->parent != NULL)) |
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267 | this->relCoordinate = absCoord - parent->getAbsCoor (); |
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268 | else |
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269 | this->relCoordinate = absCoord; |
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270 | } |
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271 | |
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272 | this->bRelCoorChanged = true; |
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273 | // this->absCoordinate = absCoord; |
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274 | } |
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275 | |
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276 | |
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277 | /** |
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278 | * @param x x-coordinate. |
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279 | * @param y y-coordinate. |
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280 | * @param z z-coordinate. |
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281 | * @see void PNode::setAbsCoor (const Vector& absCoord) |
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282 | */ |
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283 | void PNode::setAbsCoor(float x, float y, float z) |
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284 | { |
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285 | this->setAbsCoor(Vector(x, y, z)); |
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286 | } |
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287 | |
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288 | |
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289 | /** |
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290 | * @param absCoord set absolute coordinate |
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291 | * @todo check off |
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292 | */ |
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293 | void PNode::setAbsCoorSoft (const Vector& absCoordSoft, float bias) |
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294 | { |
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295 | if (this->toCoordinate == NULL) |
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296 | this->toCoordinate = new Vector; |
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297 | |
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298 | if( likely(this->parentMode & PNODE_MOVEMENT)) |
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299 | { |
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300 | /* if you have set the absolute coordinates this overrides all other changes */ |
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301 | if (likely(this->parent != NULL)) |
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302 | *this->toCoordinate = absCoordSoft - parent->getAbsCoor (); |
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303 | else |
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304 | *this->toCoordinate = absCoordSoft; |
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305 | } |
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306 | if( this->parentMode & PNODE_ROTATE_MOVEMENT) |
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307 | { |
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308 | if (likely(this->parent != NULL)) |
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309 | *this->toCoordinate = absCoordSoft - parent->getAbsCoor (); |
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310 | else |
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311 | *this->toCoordinate = absCoordSoft; |
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312 | } |
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313 | } |
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314 | |
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315 | |
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316 | /** |
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317 | * @brief shift coordinate relative |
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318 | * @param shift shift vector |
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319 | * |
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320 | * this function shifts the current coordinates about the vector shift. this is |
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321 | * usefull because from some place else you can: |
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322 | * PNode* someNode = ...; |
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323 | * Vector objectMovement = calculateShift(); |
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324 | * someNode->shiftCoor(objectMovement); |
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325 | * |
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326 | * this is the internal method of: |
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327 | * PNode* someNode = ...; |
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328 | * Vector objectMovement = calculateShift(); |
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329 | * Vector currentCoor = someNode->getRelCoor(); |
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330 | * Vector newCoor = currentCoor + objectMovement; |
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331 | * someNode->setRelCoor(newCoor); |
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332 | * |
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333 | */ |
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334 | void PNode::shiftCoor (const Vector& shift) |
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335 | { |
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336 | this->relCoordinate += shift; |
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337 | this->bRelCoorChanged = true; |
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338 | } |
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339 | |
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340 | |
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341 | /** |
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342 | * @brief set relative direction |
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343 | * @param relDir to its parent |
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344 | */ |
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345 | void PNode::setRelDir (const Quaternion& relDir) |
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346 | { |
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347 | if (this->toDirection!= NULL) |
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348 | { |
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349 | delete this->toDirection; |
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350 | this->toDirection = NULL; |
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351 | } |
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352 | this->relDirection = relDir; |
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353 | |
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354 | this->bRelCoorChanged = true; |
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355 | } |
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356 | |
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357 | |
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358 | /** |
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359 | * @see void PNode::setRelDir (const Quaternion& relDir) |
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360 | * @param x the x direction |
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361 | * @param y the y direction |
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362 | * @param z the z direction |
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363 | * |
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364 | * main difference is, that here you give a directional vector, that will be translated into a Quaternion |
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365 | */ |
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366 | void PNode::setRelDir (float angle, float x, float y, float z) |
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367 | { |
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368 | this->setRelDir(Quaternion(angle, Vector(x,y,z))); |
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369 | } |
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370 | |
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371 | |
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372 | /** |
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373 | * @brief sets the Relative Direction of this node to its parent in a Smoothed way |
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374 | * @param relDirSoft the direction to iterate to smoothely. |
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375 | * @param bias how fast to iterate to the new Direction |
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376 | */ |
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377 | void PNode::setRelDirSoft(const Quaternion& relDirSoft, float bias) |
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378 | { |
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379 | if (likely(this->toDirection == NULL)) |
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380 | this->toDirection = new Quaternion(); |
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381 | |
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382 | *this->toDirection = relDirSoft; |
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383 | this->bias = bias; |
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384 | this->bRelDirChanged = true; |
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385 | } |
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386 | |
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387 | |
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388 | /** |
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389 | * @see void PNode::setRelDirSoft (const Quaternion& relDir) |
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390 | * @param x the x direction |
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391 | * @param y the y direction |
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392 | * @param z the z direction |
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393 | * |
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394 | * main difference is, that here you give a directional vector, that will be translated into a Quaternion |
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395 | */ |
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396 | void PNode::setRelDirSoft(float angle, float x, float y, float z, float bias) |
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397 | { |
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398 | this->setRelDirSoft(Quaternion(angle, Vector(x,y,z)), bias); |
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399 | } |
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400 | |
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401 | |
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402 | /** |
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403 | * @brief sets the absolute direction |
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404 | * @param absDir absolute coordinates |
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405 | */ |
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406 | void PNode::setAbsDir (const Quaternion& absDir) |
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407 | { |
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408 | if (this->toDirection!= NULL) |
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409 | { |
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410 | delete this->toDirection; |
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411 | this->toDirection = NULL; |
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412 | } |
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413 | |
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414 | if (likely(this->parent != NULL)) |
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415 | this->relDirection = absDir / this->parent->getAbsDir(); |
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416 | else |
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417 | this->relDirection = absDir; |
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418 | |
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419 | this->bRelDirChanged = true; |
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420 | } |
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421 | |
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422 | |
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423 | /** |
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424 | * @see void PNode::setAbsDir (const Quaternion& relDir) |
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425 | * @param x the x direction |
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426 | * @param y the y direction |
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427 | * @param z the z direction |
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428 | * |
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429 | * main difference is, that here you give a directional vector, that will be translated into a Quaternion |
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430 | */ |
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431 | void PNode::setAbsDir (float angle, float x, float y, float z) |
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432 | { |
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433 | this->setAbsDir(Quaternion(angle, Vector(x,y,z))); |
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434 | } |
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435 | |
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436 | |
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437 | /** |
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438 | * @brief sets the absolute direction |
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439 | * @param absDir absolute coordinates |
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440 | * @param bias how fast to iterator to the new Position |
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441 | */ |
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442 | void PNode::setAbsDirSoft (const Quaternion& absDirSoft, float bias) |
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443 | { |
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444 | if (this->toDirection == NULL) |
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445 | this->toDirection = new Quaternion(); |
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446 | |
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447 | if (likely(this->parent != NULL)) |
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448 | *this->toDirection = absDirSoft / this->parent->getAbsDir(); |
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449 | else |
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450 | *this->toDirection = absDirSoft; |
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451 | |
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452 | this->bias = bias; |
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453 | this->bRelDirChanged = true; |
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454 | } |
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455 | |
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456 | |
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457 | /** |
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458 | * @see void PNode::setAbsDir (const Quaternion& relDir) |
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459 | * @param x the x direction |
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460 | * @param y the y direction |
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461 | * @param z the z direction |
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462 | * |
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463 | * main difference is, that here you give a directional vector, that will be translated into a Quaternion |
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464 | */ |
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465 | void PNode::setAbsDirSoft (float angle, float x, float y, float z, float bias) |
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466 | { |
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467 | this->setAbsDirSoft(Quaternion(angle, Vector(x,y,z)), bias); |
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468 | } |
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469 | |
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470 | |
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471 | /** |
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472 | * @brief shift Direction |
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473 | * @param shift the direction around which to shift. |
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474 | */ |
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475 | void PNode::shiftDir (const Quaternion& shift) |
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476 | { |
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477 | this->relDirection = this->relDirection * shift; |
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478 | this->bRelDirChanged = true; |
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479 | } |
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480 | |
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481 | |
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482 | /** |
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483 | * @brief adds a child and makes this node to a parent |
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484 | * @param child child reference |
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485 | * use this to add a child to this node. |
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486 | */ |
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487 | void PNode::addChild (PNode* child) |
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488 | { |
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489 | if( likely(child->parent != NULL)) |
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490 | child->parent->eraseChild(child); |
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491 | if (this->checkIntegrity(child)) |
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492 | { |
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493 | child->parent = this; |
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494 | if (unlikely(this != NULL)) |
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495 | this->children.push_back(child); |
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496 | child->parentCoorChanged(); |
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497 | |
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498 | // if(this->getUniqueID() == NET_UID_UNASSIGNED) |
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499 | // { |
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500 | // PRINTF(1)("Adding to an UNASSIGNED PNode - looking for next assigned Node\n"); |
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501 | // PNode* node = this->seekNextAssignedPNode(this); |
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502 | // if( node == NULL) |
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503 | // PRINTF(1)(" Got NULL - Is this the NULLParent - uid %i\n", this->getUniqueID()); |
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504 | // else |
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505 | // PRINTF(1)(" Found next assigned node: %i\n", node->getUniqueID()); |
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506 | // } |
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507 | } |
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508 | else |
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509 | { |
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510 | PRINTF(1)("Tried to reparent to own child '%s::%s' to '%s::%s'.\n", |
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511 | this->getClassName(), this->getName(), child->getClassName(), child->getName()); |
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512 | child->parent = NULL; |
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513 | child->parentCoorChanged(); |
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514 | } |
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515 | } |
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516 | |
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517 | |
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518 | PNode* PNode::seekNextAssignedPNode(PNode* node) const |
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519 | { |
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520 | PNode* tmpNode = node->parent; |
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521 | printf("entering seek PNode loop for name: %s, uid: %i\n", node->getName(), node->getUniqueID()); |
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522 | if(tmpNode) |
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523 | printf(" @node name: %s, uid: %d\n", tmpNode->getName(), tmpNode->getUniqueID()); |
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524 | while( tmpNode != NULL && tmpNode->getUniqueID() == NET_UID_UNASSIGNED) |
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525 | { |
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526 | printf(" @node name: %s, uid: %d\n", tmpNode->getName(), tmpNode->getUniqueID()); |
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527 | tmpNode = tmpNode->parent; |
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528 | } |
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529 | printf("leaving PNode loop\n\n"); |
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530 | |
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531 | return tmpNode; |
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532 | } |
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533 | |
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534 | |
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535 | /** |
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536 | * @see PNode::addChild(PNode* child); |
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537 | * @param childName the name of the child to add to this PNode |
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538 | */ |
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539 | void PNode::addChild (const std::string& childName) |
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540 | { |
---|
541 | PNode* childNode = dynamic_cast<PNode*>(ClassList::getObject(childName, CL_PARENT_NODE)); |
---|
542 | // PRINTF(0)("Adding the Child: %s to: %s\n", childName, this->getName()); |
---|
543 | // assert( childNode != NULL ); |
---|
544 | if (childNode != NULL) |
---|
545 | { |
---|
546 | this->addChild(childNode); |
---|
547 | } |
---|
548 | } |
---|
549 | |
---|
550 | |
---|
551 | /** |
---|
552 | * @brief removes a child from the node |
---|
553 | * @param child the child to remove from this pNode. |
---|
554 | * |
---|
555 | * Children from pNode will not be lost, they are Reparented by the rules of the ParentMode |
---|
556 | */ |
---|
557 | void PNode::removeChild (PNode* child) |
---|
558 | { |
---|
559 | if (child != NULL) |
---|
560 | child->removeNode(); |
---|
561 | } |
---|
562 | |
---|
563 | |
---|
564 | /** |
---|
565 | * !! PRIVATE FUNCTION |
---|
566 | * @brief reparents a node (happens on Parents Node delete or remove and Flags are set.) |
---|
567 | */ |
---|
568 | void PNode::reparent() |
---|
569 | { |
---|
570 | if (this->parentMode & PNODE_REPARENT_TO_NULL) |
---|
571 | this->setParent((PNode*)NULL); |
---|
572 | else if (this->parentMode & PNODE_REPARENT_TO_PARENTS_PARENT && this->parent != NULL) |
---|
573 | this->setParent(this->parent->getParent()); |
---|
574 | else |
---|
575 | this->setParent(PNode::getNullParent()); |
---|
576 | } |
---|
577 | |
---|
578 | /** |
---|
579 | * ereases child from the nodes children |
---|
580 | * @param chuld the child to remove |
---|
581 | */ |
---|
582 | void PNode::eraseChild(PNode* child) |
---|
583 | { |
---|
584 | std::list<PNode*>::iterator childRemover = std::find(this->children.begin(), this->children.end(), child); |
---|
585 | if(childRemover != this->children.end()) |
---|
586 | this->children.erase(childRemover); |
---|
587 | } |
---|
588 | |
---|
589 | |
---|
590 | /** |
---|
591 | * @brief remove this pnode from the tree and adds all following to NullParent |
---|
592 | * |
---|
593 | * this can be the case, if an entity in the world is being destroyed. |
---|
594 | */ |
---|
595 | void PNode::removeNode() |
---|
596 | { |
---|
597 | std::list<PNode*>::iterator child = this->children.begin(); |
---|
598 | std::list<PNode*>::iterator reparenter; |
---|
599 | while (child != this->children.end()) |
---|
600 | { |
---|
601 | reparenter = child; |
---|
602 | child++; |
---|
603 | if (this->parentMode & PNODE_REPARENT_CHILDREN_ON_REMOVE || |
---|
604 | (*reparenter)->parentMode & PNODE_REPARENT_ON_PARENTS_REMOVE) |
---|
605 | { |
---|
606 | printf("TEST----------------%s ---- %s\n", this->getClassName(), (*reparenter)->getClassName()); |
---|
607 | (*reparenter)->reparent(); |
---|
608 | printf("REPARENTED TO: %s::%s\n",(*reparenter)->getParent()->getClassName(),(*reparenter)->getParent()->getName()); |
---|
609 | } |
---|
610 | } |
---|
611 | if (this->parent != NULL) |
---|
612 | { |
---|
613 | this->parent->eraseChild(this); |
---|
614 | this->parent = NULL; |
---|
615 | } |
---|
616 | } |
---|
617 | |
---|
618 | |
---|
619 | /** |
---|
620 | * @see PNode::setParent(PNode* parent); |
---|
621 | * @param parentName the name of the Parent to set to this PNode |
---|
622 | */ |
---|
623 | void PNode::setParent (const std::string& parentName) |
---|
624 | { |
---|
625 | PNode* parentNode = dynamic_cast<PNode*>(ClassList::getObject(parentName, CL_PARENT_NODE)); |
---|
626 | if (parentNode != NULL) |
---|
627 | parentNode->addChild(this); |
---|
628 | else |
---|
629 | PRINTF(2)("Not Found PNode's (%s::%s) new Parent by Name: %s\n", |
---|
630 | this->getClassName(), this->getName(), parentName.c_str()); |
---|
631 | } |
---|
632 | |
---|
633 | |
---|
634 | /** |
---|
635 | * @brief does the reparenting in a very smooth way |
---|
636 | * @param parentNode the new Node to connect this node to. |
---|
637 | * @param bias the speed to iterate to this new Positions |
---|
638 | */ |
---|
639 | void PNode::setParentSoft(PNode* parentNode, float bias) |
---|
640 | { |
---|
641 | // return if the new parent and the old one match |
---|
642 | if (this->parent == parentNode ) |
---|
643 | return; |
---|
644 | if (parentNode == NULL) |
---|
645 | parentNode = PNode::getNullParent(); |
---|
646 | |
---|
647 | // store the Valures to iterate to. |
---|
648 | if (likely(this->toCoordinate == NULL)) |
---|
649 | { |
---|
650 | this->toCoordinate = new Vector(); |
---|
651 | *this->toCoordinate = this->getRelCoor(); |
---|
652 | } |
---|
653 | if (likely(this->toDirection == NULL)) |
---|
654 | { |
---|
655 | this->toDirection = new Quaternion(); |
---|
656 | *this->toDirection = this->getRelDir(); |
---|
657 | } |
---|
658 | this->bias = bias; |
---|
659 | |
---|
660 | Vector tmpV = this->getAbsCoor(); |
---|
661 | Quaternion tmpQ = this->getAbsDir(); |
---|
662 | |
---|
663 | parentNode->addChild(this); |
---|
664 | |
---|
665 | if (this->parentMode & PNODE_ROTATE_MOVEMENT && this->parent != NULL) |
---|
666 | this->relCoordinate = this->parent->getAbsDir().inverse().apply(tmpV - this->parent->getAbsCoor()); |
---|
667 | else |
---|
668 | this->relCoordinate = tmpV - parentNode->getAbsCoor(); |
---|
669 | |
---|
670 | this->relDirection = tmpQ / parentNode->getAbsDir(); |
---|
671 | } |
---|
672 | |
---|
673 | |
---|
674 | /** |
---|
675 | * @brief does the reparenting in a very smooth way |
---|
676 | * @param parentName the name of the Parent to reconnect to |
---|
677 | * @param bias the speed to iterate to this new Positions |
---|
678 | */ |
---|
679 | void PNode::setParentSoft(const std::string& parentName, float bias) |
---|
680 | { |
---|
681 | PNode* parentNode = dynamic_cast<PNode*>(ClassList::getObject(parentName, CL_PARENT_NODE)); |
---|
682 | if (parentNode != NULL) |
---|
683 | this->setParentSoft(parentNode, bias); |
---|
684 | } |
---|
685 | |
---|
686 | /** |
---|
687 | * @param parentMode sets the parentingMode of this Node |
---|
688 | */ |
---|
689 | void PNode::setParentMode(PARENT_MODE parentMode) |
---|
690 | { |
---|
691 | this->parentMode = ((this->parentMode & 0xfff0) | parentMode); |
---|
692 | } |
---|
693 | |
---|
694 | /** |
---|
695 | * @brief sets the mode of this parent manually |
---|
696 | * @param parentMode a String representing this parentingMode |
---|
697 | */ |
---|
698 | void PNode::setParentMode (const std::string& parentingMode) |
---|
699 | { |
---|
700 | this->setParentMode(PNode::stringToParentingMode(parentingMode)); |
---|
701 | } |
---|
702 | |
---|
703 | /** |
---|
704 | * @brief adds special mode Flags to this PNode |
---|
705 | * @see PARENT_MODE |
---|
706 | * @param nodeFlags a compsition of PARENT_MODE-flags, split by the '|' (or) operator. |
---|
707 | */ |
---|
708 | void PNode::addNodeFlags(unsigned short nodeFlags) |
---|
709 | { |
---|
710 | this->parentMode |= nodeFlags; |
---|
711 | } |
---|
712 | |
---|
713 | /** |
---|
714 | * @brief removes special mode Flags to this PNode |
---|
715 | * @see PARENT_MODE |
---|
716 | * @param nodeFlags a compsition of PARENT_MODE-flags, split by the '|' (or) operator. |
---|
717 | */ |
---|
718 | void PNode::removeNodeFlags(unsigned short nodeFlags) |
---|
719 | { |
---|
720 | this->parentMode &= !nodeFlags; |
---|
721 | } |
---|
722 | |
---|
723 | /** |
---|
724 | * @returns the NullParent (and if needed creates it) |
---|
725 | */ |
---|
726 | PNode* PNode::createNullParent() |
---|
727 | { |
---|
728 | if (likely(PNode::nullParent == NULL)) |
---|
729 | { |
---|
730 | PNode::nullParent = new PNode(NULL, PNODE_PARENT_MODE_DEFAULT | PNODE_REPARENT_TO_NULL); |
---|
731 | PNode::nullParent->setClassID(CL_NULL_PARENT, "NullParent"); |
---|
732 | PNode::nullParent->setName("NullParent"); |
---|
733 | PNode::nullParent->setSynchronized(true); |
---|
734 | } |
---|
735 | return PNode::nullParent; |
---|
736 | } |
---|
737 | |
---|
738 | |
---|
739 | /** |
---|
740 | * !! PRIVATE FUNCTION |
---|
741 | * @brief checks the upward integrity (e.g if PNode is somewhere up the Node tree.) |
---|
742 | * @param checkParent the Parent to check. |
---|
743 | * @returns true if the integrity-check succeeds, false otherwise. |
---|
744 | * |
---|
745 | * If there is a second occurence of checkParent before NULL, then a loop could get |
---|
746 | * into the Tree, and we do not want this. |
---|
747 | */ |
---|
748 | bool PNode::checkIntegrity(const PNode* checkParent) const |
---|
749 | { |
---|
750 | const PNode* parent = this; |
---|
751 | while ( (parent = parent->getParent()) != NULL) |
---|
752 | if (unlikely(parent == checkParent)) |
---|
753 | return false; |
---|
754 | return true; |
---|
755 | } |
---|
756 | |
---|
757 | |
---|
758 | /** |
---|
759 | * @brief updates the absCoordinate/absDirection |
---|
760 | * @param dt The time passed since the last update |
---|
761 | * |
---|
762 | * this is used to go through the parent-tree to update all the absolute coordinates |
---|
763 | * and directions. this update should be done by the engine, so you don't have to |
---|
764 | * worry, normaly... |
---|
765 | */ |
---|
766 | void PNode::updateNode (float dt) |
---|
767 | { |
---|
768 | if (!(this->parentMode & PNODE_STATIC_NODE)) |
---|
769 | { |
---|
770 | if( likely(this->parent != NULL)) |
---|
771 | { |
---|
772 | // movement for nodes with smoothMove enabled |
---|
773 | if (unlikely(this->toCoordinate != NULL)) |
---|
774 | { |
---|
775 | float shiftLen = fabsf(dt)*bias; |
---|
776 | if (unlikely(shiftLen >= 1.0)) |
---|
777 | shiftLen = 1.0; |
---|
778 | Vector moveVect = (*this->toCoordinate - this->relCoordinate) * shiftLen; |
---|
779 | if (likely(moveVect.len() >= PNODE_ITERATION_DELTA)) |
---|
780 | { |
---|
781 | this->shiftCoor(moveVect); |
---|
782 | } |
---|
783 | else |
---|
784 | { |
---|
785 | delete this->toCoordinate; |
---|
786 | this->toCoordinate = NULL; |
---|
787 | PRINTF(5)("SmoothMove of %s finished\n", this->getName()); |
---|
788 | } |
---|
789 | } |
---|
790 | if (unlikely(this->toDirection != NULL)) |
---|
791 | { |
---|
792 | float shiftLen = fabsf(dt)*bias; |
---|
793 | if (unlikely (shiftLen >= 1.0)) |
---|
794 | shiftLen = 1.0; |
---|
795 | //printf("%s::%s %f\n", this->getClassName(), this->getName(), this->toStep ); |
---|
796 | Quaternion rotQuat = Quaternion::quatSlerp(this->relDirection,*this->toDirection, shiftLen); |
---|
797 | if (this->relDirection.distance(rotQuat) > PNODE_ITERATION_DELTA) |
---|
798 | { |
---|
799 | this->relDirection = rotQuat; |
---|
800 | this->bRelDirChanged; |
---|
801 | } |
---|
802 | else |
---|
803 | { |
---|
804 | delete this->toDirection; |
---|
805 | this->toDirection = NULL; |
---|
806 | PRINTF(5)("SmoothRotate of %s finished\n", this->getName()); |
---|
807 | this->bRelDirChanged; |
---|
808 | } |
---|
809 | } |
---|
810 | |
---|
811 | // MAIN UPDATE ///////////////////////////////////// |
---|
812 | this->lastAbsCoordinate = this->absCoordinate; |
---|
813 | |
---|
814 | PRINTF(5)("PNode::update - '%s::%s' - (%f, %f, %f)\n", this->getClassName(), this->getName(), |
---|
815 | this->absCoordinate.x, this->absCoordinate.y, this->absCoordinate.z); |
---|
816 | |
---|
817 | |
---|
818 | if(this->bRelDirChanged && this->parentMode & PNODE_LOCAL_ROTATE ) |
---|
819 | { |
---|
820 | /* update the current absDirection - remember * means rotation around sth.*/ |
---|
821 | this->prevRelCoordinate = this->relCoordinate; |
---|
822 | this->absDirection = parent->getAbsDir() * this->relDirection; |
---|
823 | } |
---|
824 | |
---|
825 | if(likely(this->bRelCoorChanged && this->parentMode & PNODE_MOVEMENT)) |
---|
826 | { |
---|
827 | /* update the current absCoordinate */ |
---|
828 | this->prevRelCoordinate = this->relCoordinate; |
---|
829 | this->absCoordinate = this->parent->getAbsCoor() + this->relCoordinate; |
---|
830 | } |
---|
831 | else if( this->parentMode & PNODE_ROTATE_MOVEMENT && (this->bRelCoorChanged || this->bRelDirChanged)) |
---|
832 | { |
---|
833 | /* update the current absCoordinate */ |
---|
834 | this->prevRelCoordinate = this->relCoordinate; |
---|
835 | this->absCoordinate = this->parent->getAbsCoor() + parent->getAbsDir().apply(this->relCoordinate); |
---|
836 | } |
---|
837 | ///////////////////////////////////////////////// |
---|
838 | } |
---|
839 | |
---|
840 | else // Nodes without a Parent are handled faster :: MOST LIKELY THE NULLPARENT |
---|
841 | { |
---|
842 | PRINTF(4)("update ParentLess Node (%s::%s) - (%f, %f, %f)\n", this->getClassName(), this->getName(), |
---|
843 | this->absCoordinate.x, this->absCoordinate.y, this->absCoordinate.z); |
---|
844 | if (this->bRelCoorChanged) |
---|
845 | { |
---|
846 | this->prevRelCoordinate = this->relCoordinate; |
---|
847 | this->absCoordinate = this->relCoordinate; |
---|
848 | } |
---|
849 | if (this->bRelDirChanged) |
---|
850 | { |
---|
851 | this->prevRelDirection = this->relDirection; |
---|
852 | this->absDirection = this->getAbsDir () * this->relDirection; |
---|
853 | } |
---|
854 | } |
---|
855 | } |
---|
856 | |
---|
857 | if(!this->children.empty() && (this->bActive || this->parentMode & PNODE_UPDATE_CHILDREN_IF_INACTIVE )) |
---|
858 | { |
---|
859 | std::list<PNode*>::iterator child; |
---|
860 | for (child = this->children.begin(); child != this->children.end(); child ++) |
---|
861 | { |
---|
862 | /* if this node has changed, make sure, that all children are updated also */ |
---|
863 | if( likely(this->bRelCoorChanged)) |
---|
864 | (*child)->parentCoorChanged (); |
---|
865 | if( likely(this->bRelDirChanged)) |
---|
866 | (*child)->parentDirChanged (); |
---|
867 | |
---|
868 | (*child)->updateNode(dt); |
---|
869 | } |
---|
870 | } |
---|
871 | this->velocity = (this->absCoordinate - this->lastAbsCoordinate) / dt; |
---|
872 | this->bRelCoorChanged = false; |
---|
873 | this->bRelDirChanged = false; |
---|
874 | } |
---|
875 | |
---|
876 | |
---|
877 | |
---|
878 | |
---|
879 | |
---|
880 | /************* |
---|
881 | * DEBUGGING * |
---|
882 | *************/ |
---|
883 | /** |
---|
884 | * @brief counts total amount the children walking through the entire tree. |
---|
885 | * @param nodes the counter |
---|
886 | */ |
---|
887 | void PNode::countChildNodes(int& nodes) const |
---|
888 | { |
---|
889 | nodes++; |
---|
890 | std::list<PNode*>::const_iterator child; |
---|
891 | for (child = this->children.begin(); child != this->children.end(); child ++) |
---|
892 | (*child)->countChildNodes(nodes); |
---|
893 | } |
---|
894 | |
---|
895 | |
---|
896 | /** |
---|
897 | * @brief displays some information about this pNode |
---|
898 | * @param depth The deph into which to debug the children of this PNode to. |
---|
899 | * (0: all children will be debugged, 1: only this PNode, 2: this and direct children, ...) |
---|
900 | * @param level !! INTERNAL !! The n-th level of the Node we draw (this is internal and only for nice output). |
---|
901 | */ |
---|
902 | void PNode::debugNode(unsigned int depth, unsigned int level) const |
---|
903 | { |
---|
904 | for (unsigned int i = 0; i < level; i++) |
---|
905 | PRINT(0)(" |"); |
---|
906 | if (this->children.size() > 0) |
---|
907 | PRINT(0)(" +"); |
---|
908 | else |
---|
909 | PRINT(0)(" -"); |
---|
910 | |
---|
911 | int childNodeCount = 0; |
---|
912 | this->countChildNodes(childNodeCount); |
---|
913 | |
---|
914 | PRINT(0)("PNode(%s::%s) - absCoord: (%0.2f, %0.2f, %0.2f), relCoord(%0.2f, %0.2f, %0.2f), direction(%0.2f, %0.2f, %0.2f) - %s - %d childs\n", |
---|
915 | this->getClassName(), |
---|
916 | this->getName(), |
---|
917 | this->absCoordinate.x, |
---|
918 | this->absCoordinate.y, |
---|
919 | this->absCoordinate.z, |
---|
920 | this->relCoordinate.x, |
---|
921 | this->relCoordinate.y, |
---|
922 | this->relCoordinate.z, |
---|
923 | this->getAbsDirV().x, |
---|
924 | this->getAbsDirV().y, |
---|
925 | this->getAbsDirV().z, |
---|
926 | this->parentingModeToString(parentMode), |
---|
927 | childNodeCount); |
---|
928 | if (depth >= 2 || depth == 0) |
---|
929 | { |
---|
930 | std::list<PNode*>::const_iterator child; |
---|
931 | for (child = this->children.begin(); child != this->children.end(); child ++) |
---|
932 | { |
---|
933 | if (depth == 0) |
---|
934 | (*child)->debugNode(0, level + 1); |
---|
935 | else |
---|
936 | (*child)->debugNode(depth - 1, level +1); |
---|
937 | } |
---|
938 | } |
---|
939 | } |
---|
940 | |
---|
941 | /** |
---|
942 | * @brief displays the PNode at its position with its rotation as a cube. |
---|
943 | * @param depth The deph into which to debug the children of this PNode to. |
---|
944 | * (0: all children will be displayed, 1: only this PNode, 2: this and direct children, ...) |
---|
945 | * @param size the Size of the Box to draw. |
---|
946 | * @param color the color of the Box to display. |
---|
947 | * @param level !! INTERNAL !! The n-th level of the Node we draw (this is internal and only for nice output). |
---|
948 | */ |
---|
949 | void PNode::debugDraw(unsigned int depth, float size, const Vector& color, unsigned int level) const |
---|
950 | { |
---|
951 | // if this is the first Element we draw |
---|
952 | if (level == 0) |
---|
953 | { |
---|
954 | glPushAttrib(GL_ENABLE_BIT); // save the Enable-attributes |
---|
955 | glMatrixMode(GL_MODELVIEW); // goto the ModelView Matrix |
---|
956 | |
---|
957 | glDisable(GL_LIGHTING); // disable lighting (we do not need them for just lighting) |
---|
958 | glDisable(GL_BLEND); // '' |
---|
959 | glDisable(GL_TEXTURE_2D); // '' |
---|
960 | glDisable(GL_DEPTH_TEST); // '' |
---|
961 | } |
---|
962 | |
---|
963 | glPushMatrix(); // repush the Matrix-stack |
---|
964 | /* translate */ |
---|
965 | glTranslatef (this->getAbsCoor ().x, |
---|
966 | this->getAbsCoor ().y, |
---|
967 | this->getAbsCoor ().z); |
---|
968 | // this->getAbsDir ().matrix (matrix); |
---|
969 | |
---|
970 | /* rotate */ |
---|
971 | Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
---|
972 | glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
---|
973 | /* set the new Color */ |
---|
974 | glColor3f(color.x, color.y, color.z); |
---|
975 | { /* draw a cube of size size */ |
---|
976 | glBegin(GL_LINE_STRIP); |
---|
977 | glVertex3f(-.5*size, -.5*size, -.5*size); |
---|
978 | glVertex3f(+.5*size, -.5*size, -.5*size); |
---|
979 | glVertex3f(+.5*size, -.5*size, +.5*size); |
---|
980 | glVertex3f(-.5*size, -.5*size, +.5*size); |
---|
981 | glVertex3f(-.5*size, -.5*size, -.5*size); |
---|
982 | glEnd(); |
---|
983 | glBegin(GL_LINE_STRIP); |
---|
984 | glVertex3f(-.5*size, +.5*size, -.5*size); |
---|
985 | glVertex3f(+.5*size, +.5*size, -.5*size); |
---|
986 | glVertex3f(+.5*size, +.5*size, +.5*size); |
---|
987 | glVertex3f(-.5*size, +.5*size, +.5*size); |
---|
988 | glVertex3f(-.5*size, +.5*size, -.5*size); |
---|
989 | glEnd(); |
---|
990 | |
---|
991 | glBegin(GL_LINES); |
---|
992 | glVertex3f(-.5*size, -.5*size, -.5*size); |
---|
993 | glVertex3f(-.5*size, +.5*size, -.5*size); |
---|
994 | glVertex3f(+.5*size, -.5*size, -.5*size); |
---|
995 | glVertex3f(+.5*size, +.5*size, -.5*size); |
---|
996 | glVertex3f(+.5*size, -.5*size, +.5*size); |
---|
997 | glVertex3f(+.5*size, +.5*size, +.5*size); |
---|
998 | glVertex3f(-.5*size, -.5*size, +.5*size); |
---|
999 | glVertex3f(-.5*size, +.5*size, +.5*size); |
---|
1000 | glEnd(); |
---|
1001 | } |
---|
1002 | glPopMatrix(); |
---|
1003 | |
---|
1004 | if (depth >= 2 || depth == 0) |
---|
1005 | { |
---|
1006 | /* rotate the current color in HSV space around 20 degree */ |
---|
1007 | Vector childColor = Color::HSVtoRGB(Color::RGBtoHSV(color)+Vector(20,0,.0)); |
---|
1008 | std::list<PNode*>::const_iterator child; |
---|
1009 | for (child = this->children.begin(); child != this->children.end(); child ++) |
---|
1010 | { |
---|
1011 | // drawing the Dependency graph |
---|
1012 | if (this != PNode::getNullParent()) |
---|
1013 | { |
---|
1014 | glBegin(GL_LINES); |
---|
1015 | glColor3f(color.x, color.y, color.z); |
---|
1016 | glVertex3f(this->getAbsCoor ().x, |
---|
1017 | this->getAbsCoor ().y, |
---|
1018 | this->getAbsCoor ().z); |
---|
1019 | glColor3f(childColor.x, childColor.y, childColor.z); |
---|
1020 | glVertex3f((*child)->getAbsCoor ().x, |
---|
1021 | (*child)->getAbsCoor ().y, |
---|
1022 | (*child)->getAbsCoor ().z); |
---|
1023 | glEnd(); |
---|
1024 | } |
---|
1025 | |
---|
1026 | /* if we want to draw the children too */ |
---|
1027 | if (depth == 0) /* -> all of them */ |
---|
1028 | (*child)->debugDraw(0, size, childColor, level+1); |
---|
1029 | else /* -> only the Next one */ |
---|
1030 | (*child)->debugDraw(depth - 1, size, childColor, level +1); |
---|
1031 | } |
---|
1032 | } |
---|
1033 | if (level == 0) |
---|
1034 | glPopAttrib(); /* pop the saved attributes back out */ |
---|
1035 | } |
---|
1036 | |
---|
1037 | |
---|
1038 | |
---|
1039 | ///////////////////// |
---|
1040 | // HELPER_FUCTIONS // |
---|
1041 | ///////////////////// |
---|
1042 | |
---|
1043 | /** |
---|
1044 | * @brief converts a parentingMode into a string that is the name of it |
---|
1045 | * @param parentingMode the ParentingMode to convert |
---|
1046 | * @return the converted string |
---|
1047 | */ |
---|
1048 | const char* PNode::parentingModeToString(int parentingMode) |
---|
1049 | { |
---|
1050 | if (parentingMode == PNODE_LOCAL_ROTATE) |
---|
1051 | return "local-rotate"; |
---|
1052 | else if (parentingMode == PNODE_ROTATE_MOVEMENT) |
---|
1053 | return "rotate-movement"; |
---|
1054 | else if (parentingMode == PNODE_MOVEMENT) |
---|
1055 | return "movement"; |
---|
1056 | else if (parentingMode == PNODE_ALL) |
---|
1057 | return "all"; |
---|
1058 | else if (parentingMode == PNODE_ROTATE_AND_MOVE) |
---|
1059 | return "rotate-and-move"; |
---|
1060 | } |
---|
1061 | |
---|
1062 | /** |
---|
1063 | * @brief converts a parenting-mode-string into a int |
---|
1064 | * @param parentingMode the string naming the parentingMode |
---|
1065 | * @return the int corresponding to the named parentingMode |
---|
1066 | */ |
---|
1067 | PARENT_MODE PNode::stringToParentingMode(const std::string& parentingMode) |
---|
1068 | { |
---|
1069 | if (parentingMode == "local-rotate") |
---|
1070 | return (PNODE_LOCAL_ROTATE); |
---|
1071 | else if (parentingMode == "rotate-movement") |
---|
1072 | return (PNODE_ROTATE_MOVEMENT); |
---|
1073 | else if (parentingMode == "movement") |
---|
1074 | return (PNODE_MOVEMENT); |
---|
1075 | else if (parentingMode == "all") |
---|
1076 | return (PNODE_ALL); |
---|
1077 | else if (parentingMode == "rotate-and-move") |
---|
1078 | return (PNODE_ROTATE_AND_MOVE); |
---|
1079 | } |
---|
1080 | |
---|
1081 | /** |
---|
1082 | * handles changes in synchronizable variables |
---|
1083 | * @param id id's which changed |
---|
1084 | */ |
---|
1085 | void PNode::varChangeHandler( std::list< int > & id ) |
---|
1086 | { |
---|
1087 | if ( std::find( id.begin(), id.end(), relCoordinate_handle ) != id.end() ) |
---|
1088 | { |
---|
1089 | setRelCoor( relCoordinate_write ); |
---|
1090 | } |
---|
1091 | |
---|
1092 | if ( std::find( id.begin(), id.end(), relDirection_handle ) != id.end() ) |
---|
1093 | { |
---|
1094 | setRelDir( relDirection_write ); |
---|
1095 | } |
---|
1096 | } |
---|
1097 | |
---|
1098 | |
---|