1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * |
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4 | * |
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5 | * License notice: |
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6 | * |
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7 | * This program is free software: you can redistribute it and/or modify |
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8 | * it under the terms of the GNU General Public License as published by |
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9 | * the Free Software Foundation, either version 3 of the License, or |
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10 | * (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 | * |
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20 | * |
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21 | * Author: |
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22 | * Reto Grieder |
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23 | * Co-authors: |
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24 | * ... |
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25 | * |
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26 | */ |
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27 | |
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28 | #include "OgreSceneNode.h" |
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29 | #include "OgreVector3.h" |
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30 | |
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31 | #include "inertial_node.h" |
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32 | |
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33 | |
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34 | namespace orxonox { |
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35 | using namespace Ogre; |
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36 | |
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37 | InertialNode::InertialNode(SceneNode *node, Vector3 speed) |
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38 | : node_(node), speed_(speed), childListSize_(4), childListIndex_(0), |
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39 | parentNode_(NULL) |
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40 | { |
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41 | childList_ = new InertialNode*[childListSize_]; |
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42 | } |
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43 | |
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44 | |
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45 | InertialNode::InertialNode(orxonox::InertialNode *parentNode, Vector3 speed) |
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46 | : parentNode_(parentNode), childListSize_(4), childListIndex_(0), speed_(speed) |
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47 | { |
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48 | childList_ = new InertialNode*[childListSize_]; |
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49 | node_ = parentNode_->getSceneNode()->createChildSceneNode(); |
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50 | } |
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51 | |
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52 | |
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53 | InertialNode::~InertialNode() |
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54 | { |
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55 | if (childList_) |
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56 | { |
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57 | for (int i = 0; i < childListIndex_; i++) |
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58 | if (childList_[i]) |
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59 | delete childList_[i]; |
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60 | delete childList_; |
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61 | } |
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62 | } |
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63 | |
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64 | |
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65 | InertialNode* InertialNode::createChildNode() |
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66 | { |
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67 | InertialNode *temp = new InertialNode(this); |
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68 | addChild(temp); |
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69 | return temp; |
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70 | } |
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71 | |
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72 | |
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73 | InertialNode* InertialNode::getParentNode() |
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74 | { |
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75 | return parentNode_; |
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76 | } |
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77 | |
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78 | |
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79 | SceneNode* InertialNode::getSceneNode() |
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80 | { |
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81 | return node_; |
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82 | } |
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83 | |
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84 | |
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85 | Vector3 InertialNode::getSpeed() |
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86 | { |
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87 | return speed_; |
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88 | } |
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89 | |
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90 | |
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91 | Vector3 InertialNode::getWorldSpeed() |
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92 | { |
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93 | // go through the tree of Inertial nodes |
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94 | Vector3 speed = speed_; |
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95 | InertialNode *temp = parentNode_; |
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96 | while (temp != NULL) |
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97 | { |
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98 | speed = temp->getSceneNode()->getOrientation() * speed + temp->getSpeed(); |
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99 | temp = temp->getParentNode(); |
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100 | } |
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101 | return speed; |
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102 | } |
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103 | |
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104 | |
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105 | void InertialNode::addSpeed(Vector3 speed) |
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106 | { |
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107 | speed_ += speed; |
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108 | } |
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109 | |
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110 | |
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111 | void InertialNode::addChild(orxonox::InertialNode *node) |
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112 | { |
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113 | if (childListIndex_ == childListSize_) |
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114 | { |
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115 | // redimension the array |
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116 | InertialNode **tempArray = new InertialNode*[2*childListSize_]; |
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117 | for (int i = 0; i < childListSize_; i++) |
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118 | tempArray[i] = childList_[i]; |
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119 | childListSize_ *= 2; |
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120 | delete childList_; |
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121 | childList_ = tempArray; |
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122 | } |
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123 | childList_[childListIndex_++] = node; |
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124 | } |
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125 | |
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126 | } |
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