1 | |
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2 | |
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3 | /* |
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4 | orxonox - the future of 3D-vertical-scrollers |
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5 | |
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6 | Copyright (C) 2004 orx |
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7 | |
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8 | This program is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation; either version 2, or (at your option) |
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11 | any later version. |
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12 | |
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13 | ### File Specific: |
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14 | main-programmer: Patrick Boenzli |
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15 | co-programmer: |
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16 | |
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17 | \todo Smooth-Parent: delay, speed |
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18 | */ |
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19 | |
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20 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_PNODE |
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21 | |
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22 | #include "p_node.h" |
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23 | #include "stdincl.h" |
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24 | |
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25 | #include "error.h" |
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26 | #include "debug.h" |
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27 | #include "list.h" |
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28 | #include "vector.h" |
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29 | #include "null_parent.h" |
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30 | |
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31 | //#include "vector.h" |
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32 | //#include "quaternion.h" |
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33 | |
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34 | using namespace std; |
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35 | |
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36 | |
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37 | /** |
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38 | \brief standard constructor |
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39 | |
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40 | \todo this constructor is not jet implemented - do it |
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41 | */ |
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42 | PNode::PNode () |
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43 | { |
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44 | init(NULL); |
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45 | |
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46 | NullParent* np = NullParent::getInstance(); |
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47 | np->addChild(this); |
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48 | } |
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49 | |
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50 | |
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51 | |
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52 | /** |
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53 | \brief constructor with coodinates |
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54 | \param absCoordinate the Absolute coordinate of the Object |
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55 | \param parent The parent-node of this node. |
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56 | */ |
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57 | PNode::PNode (Vector* absCoordinate, PNode* parent ) |
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58 | { |
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59 | this->init(parent); |
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60 | |
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61 | *this->absCoordinate = *absCoordinate; |
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62 | |
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63 | __LIKELY_IF(parent != NULL) |
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64 | { |
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65 | *this->relCoordinate = *this->absCoordinate - parent->getAbsCoor (); |
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66 | parent->addChild (this); |
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67 | } |
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68 | else |
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69 | this->relCoordinate = new Vector(0,0,0); |
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70 | } |
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71 | |
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72 | /** |
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73 | \brief standard deconstructor |
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74 | |
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75 | \todo this deconstructor is not jet implemented - do it |
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76 | */ |
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77 | PNode::~PNode () |
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78 | { |
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79 | /* |
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80 | delete &this->children; |
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81 | delete &this->relCoordinate; |
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82 | delete &this->absCoordinate; |
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83 | delete &this->relDirection; |
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84 | delete &this->absDirection; |
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85 | */ |
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86 | //this->parent = NULL; |
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87 | /* there is currently a problem with cleaning up - fix*/ |
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88 | |
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89 | PNode* pn = this->children->enumerate(); |
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90 | while( pn != NULL) |
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91 | { |
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92 | delete pn; |
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93 | pn = this->children->nextElement(); |
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94 | |
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95 | } |
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96 | |
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97 | /* this deletes all children in the list */ |
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98 | delete this->children; |
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99 | |
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100 | delete []this->objectName; |
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101 | } |
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102 | |
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103 | |
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104 | void PNode::init(PNode* parent) |
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105 | { |
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106 | this->children = new tList<PNode>(); |
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107 | this->bRelCoorChanged = true; |
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108 | this->bAbsCoorChanged = false; |
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109 | this->bRelDirChanged = true; |
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110 | this->bAbsDirChanged = false; |
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111 | this->parent = parent; |
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112 | this->objectName = NULL; |
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113 | |
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114 | this->absCoordinate = new Vector(); |
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115 | this->relCoordinate = new Vector(); |
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116 | this->absDirection = new Quaternion(); |
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117 | this->relDirection = new Quaternion(); |
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118 | this->lastAbsCoordinate = new Vector(); |
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119 | this->diffCoordinate = new Vector(); |
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120 | } |
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121 | |
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122 | /** |
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123 | \brief deletes the hole pnode tree |
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124 | |
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125 | cleans up all pnodes |
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126 | */ |
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127 | /* |
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128 | void PNode::destroy () |
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129 | { |
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130 | PNode* pn = this->children->enumerate(); |
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131 | while( pn != NULL) |
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132 | { |
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133 | pn->destroy (); |
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134 | pn = this->children->nextElement(); |
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135 | } |
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136 | // this deletes all children in the list |
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137 | this->children->destroy (); |
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138 | |
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139 | static_cast<BaseObject*>(this)->destroy(); |
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140 | } |
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141 | */ |
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142 | |
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143 | /** |
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144 | \brief get relative coordinates |
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145 | \returns relative coordinates to its parent |
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146 | |
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147 | the reference that is returned is a pointer to the real relCoor, so don't |
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148 | change it unless you realy know what you are doing. |
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149 | */ |
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150 | Vector* PNode::getRelCoor () const |
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151 | { |
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152 | //Vector r = *this->relCoordinate; /* return a copy, so it can't be modified */ |
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153 | return this->relCoordinate; |
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154 | } |
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155 | |
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156 | |
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157 | /** |
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158 | \brief set relative coordinates |
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159 | \param relCoord relative coordinates to its parent |
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160 | |
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161 | it is very importand, that you use this function, if you want to update the |
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162 | relCoordinates. If you don't use this, the PNode won't recognize, that something |
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163 | has changed and won't update the children Nodes. |
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164 | */ |
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165 | void PNode::setRelCoor (Vector* relCoord) |
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166 | { |
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167 | this->bRelCoorChanged = true; |
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168 | *this->relCoordinate = *relCoord; |
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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 set relative coordinates |
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174 | \param relCoord relative coordinates to its parent |
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175 | |
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176 | it is very importand, that you use this function, if you want to update the |
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177 | relCoordinates. If you don't use this, the PNode won't recognize, that something |
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178 | has changed and won't update the children Nodes. |
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179 | */ |
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180 | void PNode::setRelCoor (Vector relCoord) |
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181 | { |
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182 | this->bRelCoorChanged = true; |
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183 | *this->relCoordinate = relCoord; |
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184 | } |
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185 | |
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186 | |
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187 | /** |
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188 | \brief get absolute coordinates |
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189 | \returns absolute coordinates from (0,0,0) |
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190 | */ |
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191 | Vector PNode::getAbsCoor () const |
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192 | { |
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193 | return *this->absCoordinate; |
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194 | } |
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195 | |
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196 | |
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197 | /** |
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198 | \param absCoord set absolute coordinate |
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199 | |
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200 | it is very importand, that you use this function, if you want to update the |
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201 | absCoordinates. If you don't use this, the PNode won't recognize, that something |
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202 | has changed and won't update the children Nodes. |
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203 | */ |
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204 | void PNode::setAbsCoor (Vector* absCoord) |
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205 | { |
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206 | this->bAbsCoorChanged = true; |
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207 | *this->absCoordinate = *absCoord; |
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208 | } |
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209 | |
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210 | |
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211 | |
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212 | /** |
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213 | \param absCoord set absolute coordinate |
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214 | |
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215 | it is very importand, that you use this function, if you want to update the |
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216 | absCoordinates. If you don't use this, the PNode won't recognize, that something |
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217 | has changed and won't update the children Nodes. |
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218 | */ |
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219 | void PNode::setAbsCoor (Vector absCoord) |
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220 | { |
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221 | this->bAbsCoorChanged = true; |
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222 | *this->absCoordinate = absCoord; |
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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 | \brief shift coordinate (abs and rel) |
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228 | \param shift vector |
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229 | |
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230 | this function shifts the current coordinates about the vector shift. this is |
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231 | usefull because from some place else you can: |
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232 | PNode* someNode = ...; |
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233 | Vector objectMovement = calculateShift(); |
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234 | someNode->shiftCoor(objectMovement); |
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235 | |
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236 | elsewhere you would have to: |
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237 | PNode* someNode = ...; |
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238 | Vector objectMovement = calculateShift(); |
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239 | Vector currentCoor = someNode->getRelCoor(); |
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240 | Vector newCoor = currentCoor + objectMovement; |
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241 | someNode->setRelCoor(newCoor); |
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242 | |
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243 | yea right... shorter... |
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244 | |
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245 | */ |
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246 | void PNode::shiftCoor (Vector* shift) |
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247 | { |
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248 | |
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249 | __UNLIKELY_IF( this->bAbsCoorChanged) |
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250 | { |
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251 | *this->absCoordinate = *this->absCoordinate + *shift; |
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252 | } |
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253 | else |
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254 | { |
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255 | *this->relCoordinate = *this->relCoordinate + *shift; |
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256 | this->bRelCoorChanged = true; |
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257 | } |
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258 | } |
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259 | |
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260 | |
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261 | |
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262 | /** |
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263 | \brief shift coordinate (abs and rel) |
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264 | \param shift vector |
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265 | |
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266 | this function shifts the current coordinates about the vector shift. this is |
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267 | usefull because from some place else you can: |
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268 | PNode* someNode = ...; |
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269 | Vector objectMovement = calculateShift(); |
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270 | someNode->shiftCoor(objectMovement); |
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271 | |
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272 | elsewhere you would have to: |
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273 | PNode* someNode = ...; |
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274 | Vector objectMovement = calculateShift(); |
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275 | Vector currentCoor = someNode->getRelCoor(); |
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276 | Vector newCoor = currentCoor + objectMovement; |
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277 | someNode->setRelCoor(newCoor); |
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278 | |
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279 | yea right... shorter... |
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280 | |
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281 | */ |
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282 | void PNode::shiftCoor (Vector shift) |
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283 | { |
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284 | |
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285 | __UNLIKELY_IF( this->bAbsCoorChanged) |
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286 | { |
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287 | *this->absCoordinate = *this->absCoordinate + shift; |
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288 | } |
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289 | else |
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290 | { |
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291 | *this->relCoordinate = *this->relCoordinate + shift; |
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292 | this->bRelCoorChanged = true; |
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293 | } |
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294 | } |
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295 | |
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296 | |
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297 | |
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298 | /** |
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299 | \brief get relative direction |
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300 | \returns relative direction to its parent |
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301 | */ |
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302 | Quaternion PNode::getRelDir () const |
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303 | { |
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304 | return *this->relDirection; |
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305 | } |
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306 | |
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307 | |
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308 | /** |
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309 | \brief set relative direction |
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310 | \param relDir to its parent |
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311 | |
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312 | it is very importand, that you use this function, if you want to update the |
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313 | relDirection. If you don't use this, the PNode won't recognize, that something |
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314 | has changed and won't update the children Nodes. |
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315 | */ |
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316 | void PNode::setRelDir (Quaternion* relDir) |
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317 | { |
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318 | this->bRelCoorChanged = true; |
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319 | *this->relDirection = *relDir; |
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320 | } |
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321 | |
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322 | |
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323 | void PNode::setRelDir (Quaternion relDir) |
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324 | { |
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325 | this->bRelCoorChanged = true; |
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326 | *this->relDirection = relDir; |
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327 | } |
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328 | |
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329 | |
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330 | /** |
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331 | \brief gets the absolute direction (0,0,1) |
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332 | \returns absolute coordinates |
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333 | */ |
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334 | Quaternion PNode::getAbsDir () const |
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335 | { |
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336 | return *this->absDirection; |
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337 | } |
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338 | |
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339 | |
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340 | /** |
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341 | \brief sets the absolute direction (0,0,1) |
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342 | \param absDir absolute coordinates |
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343 | |
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344 | it is very importand, that you use this function, if you want to update the |
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345 | absDirection. If you don't use this, the PNode won't recognize, that something |
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346 | has changed and won't update the children Nodes. |
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347 | */ |
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348 | void PNode::setAbsDir (Quaternion* absDir) |
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349 | { |
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350 | this->bAbsDirChanged = true; |
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351 | *this->absDirection = *absDir; |
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352 | } |
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353 | |
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354 | |
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355 | |
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356 | /** |
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357 | \brief sets the absolute direction (0,0,1) |
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358 | \param absDir absolute coordinates |
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359 | |
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360 | it is very importand, that you use this function, if you want to update the |
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361 | absDirection. If you don't use this, the PNode won't recognize, that something |
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362 | has changed and won't update the children Nodes. |
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363 | */ |
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364 | void PNode::setAbsDir (Quaternion absDir) |
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365 | { |
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366 | this->bAbsDirChanged = true; |
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367 | *this->absDirection = absDir; |
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368 | } |
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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 shift coordinate (abs and rel) |
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374 | \param shift vector |
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375 | |
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376 | this function shifts the current coordinates about the vector shift. this is |
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377 | usefull because from some place else you can: |
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378 | PNode* someNode = ...; |
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379 | Quaternion objectMovement = calculateShift(); |
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380 | someNode->shiftCoor(objectMovement); |
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381 | |
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382 | elsewhere you would have to: |
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383 | PNode* someNode = ...; |
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384 | Quaternion objectMovement = calculateShift(); |
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385 | Quaternion currentCoor = someNode->getRelCoor(); |
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386 | Quaternion newCoor = currentCoor + objectMovement; |
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387 | someNode->setRelCoor(newCoor); |
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388 | |
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389 | yea right... shorter... |
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390 | |
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391 | \todo implement this |
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392 | */ |
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393 | void PNode::shiftDir (const Quaternion& shift) |
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394 | { |
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395 | this->bRelDirChanged = true; |
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396 | *this->relDirection = *this->relDirection * shift; |
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397 | } |
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398 | |
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399 | |
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400 | /** |
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401 | \brief shift coordinate (abs and rel) |
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402 | \param shift vector |
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403 | |
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404 | this function shifts the current coordinates about the vector shift. this is |
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405 | usefull because from some place else you can: |
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406 | PNode* someNode = ...; |
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407 | Quaternion objectMovement = calculateShift(); |
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408 | someNode->shiftCoor(objectMovement); |
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409 | |
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410 | elsewhere you would have to: |
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411 | PNode* someNode = ...; |
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412 | Quaternion objectMovement = calculateShift(); |
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413 | Quaternion currentCoor = someNode->getRelCoor(); |
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414 | Quaternion newCoor = currentCoor + objectMovement; |
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415 | someNode->setRelCoor(newCoor); |
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416 | |
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417 | yea right... shorter... |
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418 | |
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419 | \todo implement this |
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420 | */ |
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421 | void PNode::shiftDir (Quaternion shift) |
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422 | {} |
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423 | |
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424 | |
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425 | /** |
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426 | \brief this calculates the current movement speed of the node |
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427 | */ |
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428 | float PNode::getSpeed() const |
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429 | { |
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430 | __UNLIKELY_IF( this->time == 0) |
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431 | return 1000; |
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432 | *this->diffCoordinate = *this->absCoordinate - *this->lastAbsCoordinate; |
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433 | return this->diffCoordinate->len() / this->time; |
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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 adds a child and makes this node to a parent |
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439 | \param pNode child reference |
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440 | \param mode on which changes the child should also change ist state |
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441 | |
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442 | use this to add a child to this node. |
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443 | */ |
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444 | void PNode::addChild (PNode* pNode, int parentingMode) |
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445 | { |
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446 | |
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447 | __UNLIKELY_IF( pNode->parent != NULL) |
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448 | { |
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449 | PRINTF(3)("PNode::addChild() - reparenting node: removing it and adding it again\n"); |
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450 | pNode->parent->children->remove(pNode); |
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451 | } |
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452 | pNode->mode = parentingMode; |
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453 | pNode->parent = this; |
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454 | this->children->add(pNode); |
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455 | } |
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456 | |
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457 | |
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458 | /** |
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459 | \brief removes a child from the node |
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460 | \param pNode the child to remove from this pNode. |
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461 | |
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462 | Children from pNode will not be lost, they are referenced to NullPointer |
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463 | */ |
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464 | void PNode::removeChild (PNode* pNode) |
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465 | { |
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466 | pNode->remove(); |
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467 | this->children->remove (pNode); |
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468 | pNode->parent = NULL; |
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469 | } |
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470 | |
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471 | |
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472 | /** |
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473 | \brief remove this pnode from the tree and adds all following to NullParent |
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474 | |
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475 | this can be the case, if an entity in the world is been destroyed. |
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476 | */ |
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477 | void PNode::remove() |
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478 | { |
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479 | NullParent* nullParent = NullParent::getInstance(); |
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480 | |
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481 | tIterator<PNode>* iterator = this->children->getIterator(); |
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482 | PNode* pn = iterator->nextElement(); |
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483 | |
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484 | while( pn != NULL) |
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485 | { |
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486 | //this->children->remove(pn); |
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487 | nullParent->addChild(pn, pn->getMode()); |
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488 | pn = iterator->nextElement(); |
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489 | } |
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490 | delete iterator; |
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491 | this->parent->children->remove(this); |
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492 | } |
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493 | |
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494 | |
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495 | /** |
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496 | \brief sets the parent of this PNode |
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497 | \param parent the Parent to set |
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498 | */ |
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499 | void PNode::setParent (PNode* parent) |
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500 | { |
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501 | parent->addChild(this); |
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502 | } |
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503 | |
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504 | |
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505 | /** |
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506 | \brief set the mode of this parent manualy |
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507 | \param mode the mode of the bind-type. |
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508 | */ |
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509 | void PNode::setMode (int parentingMode) |
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510 | { |
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511 | this->mode = parentingMode; |
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512 | } |
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513 | |
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514 | |
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515 | /** |
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516 | \brief gets the mode of this parent manualy |
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517 | \return the mode of the bind-type. |
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518 | */ |
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519 | int PNode::getMode() |
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520 | { |
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521 | return this->mode; |
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522 | } |
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523 | |
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524 | /** |
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525 | \brief has to be called, if the parent coordinate has changed |
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526 | |
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527 | normaly this will be done by the parent itself automaticaly. If you call this, you |
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528 | will force an update of the coordinated of the node. |
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529 | */ |
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530 | void PNode::parentCoorChanged () |
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531 | { |
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532 | this->bRelCoorChanged = true; |
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533 | } |
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534 | |
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535 | |
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536 | /** |
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537 | \brief has to be called, if the parent direction has changed |
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538 | |
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539 | normaly this will be done by the parent itself automaticaly. If you call this, you |
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540 | will force an update of the direction of the node. |
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541 | */ |
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542 | void PNode::parentDirChanged () |
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543 | { |
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544 | this->bRelDirChanged = true; |
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545 | } |
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546 | |
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547 | |
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548 | /** |
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549 | \brief updates the absCoordinate/absDirection |
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550 | \param timeStamp The timestanp used for to look if calculations should be done |
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551 | |
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552 | this is used to go through the parent-tree to update all the absolute coordinates |
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553 | and directions. this update should be done by the engine, so you don't have to |
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554 | worry, normaly... |
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555 | */ |
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556 | void PNode::update (float dt) |
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557 | { |
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558 | *this->lastAbsCoordinate = *this->absCoordinate; |
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559 | this->time = dt; |
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560 | PRINTF(4)("PNode::update - %s - (%f, %f, %f)\n", this->objectName, this->absCoordinate->x, this->absCoordinate->y, this->absCoordinate->z); |
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561 | |
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562 | |
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563 | __LIKELY_IF( this->mode & PNODE_MOVEMENT) |
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564 | { |
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565 | __UNLIKELY_IF(this->bAbsCoorChanged /*&& this->timeStamp != DataTank::timeStamp*/) |
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566 | { |
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567 | /* if you have set the absolute coordinates this overrides all other changes */ |
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568 | *this->relCoordinate = *this->absCoordinate - parent->getAbsCoor (); |
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569 | } |
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570 | __LIKELY_IF(this->bRelCoorChanged /*&& this->timeStamp != DataTank::timeStamp*/) |
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571 | |
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572 | { |
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573 | /*this is bad style... must be deleted later - just for testing*/ |
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574 | |
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575 | /* |
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576 | __UNLIKELY_IF( this->parent == NULL) |
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577 | { |
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578 | *this->absCoordinate = *this->relCoordinate; |
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579 | } |
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580 | else */ |
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581 | *this->absCoordinate = parent->getAbsCoor() + *this->relCoordinate; /* update the current absCoordinate */ |
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582 | } |
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583 | } |
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584 | |
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585 | if( this->mode & PNODE_LOCAL_ROTATE) |
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586 | { |
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587 | __UNLIKELY_IF( this->bAbsDirChanged /*&& this->timeStamp != DataTank::timeStamp*/) |
---|
588 | { |
---|
589 | /* if you have set the absolute coordinates this overrides all other changes */ |
---|
590 | *this->relDirection = *this->absDirection - parent->getAbsDir(); |
---|
591 | } |
---|
592 | else __LIKELY_IF( this->bRelDirChanged /*&& this->timeStamp != DataTank::timeStamp*/) |
---|
593 | { |
---|
594 | /* update the current absDirection - remember * means rotation around sth.*/ |
---|
595 | *this->absDirection = parent->getAbsDir() * *this->relDirection; |
---|
596 | } |
---|
597 | } |
---|
598 | |
---|
599 | if( this->mode & PNODE_ROTATE_MOVEMENT) |
---|
600 | { |
---|
601 | __UNLIKELY_IF( this->bAbsCoorChanged /*&& this->timeStamp != DataTank::timeStamp*/) |
---|
602 | { |
---|
603 | /* if you have set the absolute coordinates this overrides all other changes */ |
---|
604 | *this->relCoordinate = *this->absCoordinate - parent->getAbsCoor (); |
---|
605 | } |
---|
606 | else __LIKELY_IF( this->bRelCoorChanged /*&& this->timeStamp != DataTank::timeStamp*/) |
---|
607 | { |
---|
608 | /*this is bad style... must be deleted later - just for testing*/ |
---|
609 | /*if( this->parent == NULL) |
---|
610 | *this->absCoordinate = *this->relCoordinate; |
---|
611 | else*/ |
---|
612 | *this->absCoordinate = parent->getAbsCoor() + parent->getAbsDir().apply(*this->relCoordinate); /* update the current absCoordinate */ |
---|
613 | } |
---|
614 | } |
---|
615 | |
---|
616 | |
---|
617 | tIterator<PNode>* iterator = this->children->getIterator(); |
---|
618 | //PNode* pn = this->children->enumerate(); |
---|
619 | PNode* pn = iterator->nextElement(); |
---|
620 | while( pn != NULL) |
---|
621 | { |
---|
622 | /* if this node has changed, make sure, that all children are updated also */ |
---|
623 | __LIKELY_IF( this->bRelCoorChanged || this->bAbsCoorChanged) |
---|
624 | pn->parentCoorChanged (); |
---|
625 | __LIKELY_IF( this->bRelDirChanged || this->bAbsDirChanged) |
---|
626 | pn->parentDirChanged (); |
---|
627 | |
---|
628 | pn->update(dt); |
---|
629 | //pn = this->children->nextElement(); |
---|
630 | pn = iterator->nextElement(); |
---|
631 | } |
---|
632 | delete iterator; |
---|
633 | |
---|
634 | this->timeStamp = timeStamp; |
---|
635 | this->bRelCoorChanged = false; |
---|
636 | this->bAbsCoorChanged = false; |
---|
637 | this->bRelDirChanged = false; |
---|
638 | this->bAbsDirChanged = false; |
---|
639 | } |
---|
640 | |
---|
641 | |
---|
642 | /** |
---|
643 | \brief tick |
---|
644 | \param dt time to tick |
---|
645 | */ |
---|
646 | void PNode::processTick (float dt) |
---|
647 | { |
---|
648 | //this->tick (dt); |
---|
649 | PNode* pn = this->children->enumerate(); |
---|
650 | while( pn != NULL) |
---|
651 | { |
---|
652 | pn->processTick (dt); |
---|
653 | pn = this->children->nextElement(); |
---|
654 | } |
---|
655 | } |
---|
656 | |
---|
657 | |
---|
658 | /** |
---|
659 | \brief displays some information about this pNode |
---|
660 | */ |
---|
661 | void PNode::debug() |
---|
662 | { |
---|
663 | PRINTF(2)("PNode::debug() - absCoord: (%f, %f, %f)\n", |
---|
664 | this->absCoordinate->x, |
---|
665 | this->absCoordinate->y, |
---|
666 | this->absCoordinate->z); |
---|
667 | } |
---|
668 | |
---|
669 | |
---|
670 | /** |
---|
671 | \brief set the name of the node |
---|
672 | |
---|
673 | for debug purposes realy usefull, not used to work properly |
---|
674 | */ |
---|
675 | void PNode::setName (char* newName) |
---|
676 | { |
---|
677 | this->objectName = new char[strlen(newName)+1]; |
---|
678 | strcpy(this->objectName,newName); |
---|
679 | } |
---|
680 | |
---|
681 | |
---|
682 | /** |
---|
683 | \brief gets the name of the node |
---|
684 | */ |
---|
685 | char* PNode::getName () |
---|
686 | { |
---|
687 | return this->objectName; |
---|
688 | } |
---|
689 | |
---|