1 | /* -*-c++-*- osgVisual - Copyright (C) 2009-2010 Torben Dannhauer |
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2 | * |
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3 | * This library is based on OpenSceneGraph, open source and may be redistributed and/or modified under |
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4 | * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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5 | * (at your option) any later version. The full license is in LICENSE file |
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6 | * included with this distribution, and on the openscenegraph.org website. |
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7 | * |
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8 | * osgVisual requires for some proprietary modules a license from the correspondig manufacturer. |
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9 | * You have to aquire licenses for all used proprietary modules. |
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10 | * |
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11 | * This library is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * OpenSceneGraph Public License for more details. |
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15 | */ |
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16 | |
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17 | #include <visual_object.h> |
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18 | |
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19 | using namespace osgVisual; |
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20 | |
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21 | visual_object::visual_object( osg::CoordinateSystemNode* sceneRoot_, std::string nodeName_) |
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22 | { |
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23 | // Add this node to Scenegraph |
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24 | sceneRoot_->addChild( this ); |
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25 | |
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26 | // Set Nodename for further identification |
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27 | this->setName( nodeName_ ); |
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28 | |
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29 | // Set callback. |
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30 | /** \todo: welcher update ist der richtige? voraussichtlich event.) */ |
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31 | //this->setUpdateCallback( new visual_objectPositionCallback() ); |
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32 | this->setEventCallback( new visual_objectPositionCallback() ); |
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33 | |
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34 | // Init Position and Attitude |
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35 | lat = 0; |
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36 | lon = 0; |
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37 | alt = 0; |
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38 | |
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39 | azimuthAngle_psi = 0; |
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40 | pitchAngle_theta = 0; |
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41 | bankAngle_phi = 0; |
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42 | |
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43 | geometry_offset_rotation.makeRotate( 0.0, 1.0, 1.0, 1.0 ); |
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44 | |
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45 | // Init Scale |
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46 | scaleX = 1.0; |
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47 | scaleY = 1.0; |
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48 | scaleZ = 1.0; |
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49 | |
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50 | // Init cameraOffset |
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51 | cameraTranslationOffset.makeTranslate( osg::Vec3d(0.0, 0.0, 0.0) ); // Trans: (y, x, -z_down) |
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52 | cameraRotationOffset.makeRotate( osg::DegreesToRadians( 90.0 ), osg::Vec3(1, 0, 0) ); // Rot: (-y, +x , -z) |
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53 | |
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54 | // Geometrynode hinzufügen |
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55 | geometry = new osg::Group(); |
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56 | this->addChild( geometry ); |
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57 | |
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58 | // Labelnode hinzufügen |
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59 | labels = new osg::Geode(); |
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60 | this->addChild( labels ); |
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61 | } |
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62 | |
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63 | visual_object::~visual_object() |
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64 | { |
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65 | |
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66 | } |
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67 | |
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68 | visual_object* visual_object::createNodeFromXMLConfig(osg::CoordinateSystemNode* sceneRoot_, xmlNode* a_node) |
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69 | { |
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70 | //osg::ref<visual_object> object = new visual_object( root, nodeName); |
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71 | |
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72 | |
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73 | /* |
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74 | <models> |
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75 | <model filename="cessna" type="plain" label="TestText!" dynamic="yes"> |
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76 | <position lat="47.12345" lon="11.234567" alt="1500.0"></position> |
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77 | <attitude rot_x="0.0" rot_y="0.0" rot_z="0.0"></attitude> |
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78 | <cameraoffset> |
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79 | <translation trans_x="0.0" trans_y="0.0" trans_z="0.0"></translation> |
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80 | <rotation rot_x="0.0" rot_y="0.0" rot_z="0.0"></rotation> |
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81 | </cameraoffset> |
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82 | </model> |
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83 | </models> |
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84 | */ |
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85 | |
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86 | |
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87 | return NULL; |
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88 | } |
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89 | |
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90 | void visual_object::setNewPositionAttitude( double lat_, double lon_, double alt_, double azimuthAngle_psi_, double pitchAngle_theta_, double bankAngle_phi_ ) |
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91 | { |
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92 | lat = lat_; |
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93 | lon = lon_; |
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94 | alt = alt_; |
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95 | |
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96 | azimuthAngle_psi = azimuthAngle_psi_; |
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97 | pitchAngle_theta = pitchAngle_theta_; |
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98 | bankAngle_phi = bankAngle_phi_; |
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99 | } |
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100 | |
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101 | void visual_object::setNewPosition( double lat_, double lon_, double alt_ ) |
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102 | { |
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103 | lat = lat_; |
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104 | lon = lon_; |
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105 | alt = alt_; |
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106 | } |
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107 | |
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108 | void visual_object::setNewAttitude( double azimuthAngle_psi_, double pitchAngle_theta_, double bankAngle_phi_ ) |
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109 | { |
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110 | azimuthAngle_psi = azimuthAngle_psi_; |
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111 | pitchAngle_theta = pitchAngle_theta_; |
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112 | bankAngle_phi = bankAngle_phi_; |
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113 | } |
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114 | |
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115 | void visual_object::setGeometryOffset( double rotX_, double rotY_, double rotZ_ ) |
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116 | { |
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117 | geometry_offset_rotation.makeRotate( rotX_, osg::Vec3f(1.0, 0.0, 0.0), |
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118 | rotY_, osg::Vec3f(0.0, 1.0, 0.0), |
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119 | rotZ_, osg::Vec3f(0.0, 0.0, 1.0) ); |
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120 | } |
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121 | |
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122 | void visual_object::setScale( double scale_ ) |
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123 | { |
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124 | scaleX = scale_; |
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125 | scaleY = scale_; |
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126 | scaleZ = scale_; |
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127 | } |
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128 | |
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129 | void visual_object::setScale( double scaleX_, double scaleY_, double scaleZ_ ) |
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130 | { |
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131 | scaleX = scaleX_; |
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132 | scaleY = scaleY_; |
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133 | scaleZ = scaleZ_; |
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134 | } |
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135 | |
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136 | bool visual_object::loadGeometry(std::string filename_) |
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137 | { |
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138 | // Check if file exists |
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139 | if( !osgDB::fileExists(filename_) ) |
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140 | { |
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141 | OSG_NOTIFY(osg::FATAL) << "Error: Model not loaded. File '" << filename_ << "' does not exist." << std::endl; |
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142 | } |
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143 | |
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144 | osg::ref_ptr<osg::Node> tmpModel = osgDB::readNodeFile( filename_ ); |
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145 | |
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146 | if( tmpModel.valid() ) |
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147 | { |
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148 | // remove old geometry |
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149 | geometry->removeChildren(0, geometry->getNumChildren()); |
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150 | |
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151 | // add new geometry |
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152 | geometry->addChild( tmpModel.get() ); |
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153 | return true; |
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154 | } |
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155 | else |
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156 | { |
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157 | std::cout <<": No model loaded: " << filename_ << std::endl; |
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158 | return false; |
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159 | } |
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160 | } |
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161 | |
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162 | bool visual_object::setGeometry(osg::Node* geometry_) |
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163 | { |
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164 | // remove old geometry |
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165 | geometry->removeChildren(0, geometry->getNumChildren()); |
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166 | |
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167 | // add new geometry |
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168 | geometry->addChild( geometry_ ); |
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169 | |
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170 | return true; |
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171 | } |
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172 | |
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173 | void visual_object::unsetGeometry() |
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174 | { |
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175 | // remove old geometry |
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176 | geometry->removeChildren(0, geometry->getNumChildren()); |
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177 | } |
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178 | |
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179 | void visual_object::addUpdater( object_updater* updater_ ) |
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180 | { |
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181 | if ( updater.valid() ) |
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182 | updater->addUpdater( updater_ ); |
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183 | else |
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184 | updater = updater_; |
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185 | } |
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186 | |
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187 | void visual_object::clearAllUpdater() |
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188 | { |
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189 | // release only first updater. Because smartpointer: Will be deleted if not referenced. |
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190 | if ( updater.valid() ) |
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191 | updater = NULL; |
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192 | } |
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193 | |
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194 | std::vector<object_updater*> visual_object::getUpdaterList() |
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195 | { |
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196 | // iterate through updater and add all pointer. |
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197 | std::vector<object_updater*> updaterList; |
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198 | osg::ref_ptr<object_updater> tmpUpdater = updater; |
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199 | |
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200 | while (tmpUpdater.valid()) |
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201 | { |
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202 | updaterList.push_back( tmpUpdater ); |
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203 | tmpUpdater = tmpUpdater->getPointer(); |
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204 | } |
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205 | |
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206 | // return list |
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207 | return updaterList; |
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208 | } |
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209 | |
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210 | void visual_object::visual_objectPositionCallback::operator()(osg::Node* node, osg::NodeVisitor* nv) |
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211 | { |
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212 | visual_object* object = dynamic_cast<visual_object*>(node); |
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213 | if ( !object ) |
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214 | { |
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215 | OSG_NOTIFY(osg::FATAL) << "ERROR : No object found. Unable to apply this callback!" << std::endl; |
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216 | return; |
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217 | } |
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218 | |
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219 | // execute preUpdater to get new data of this object. |
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220 | if ( object->updater.valid() ) |
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221 | object->updater->preUpdate(object); |
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222 | |
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223 | // Nodepath from this node to absolute parent (if no endnode specified) |
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224 | osg::NodePath nodePath = nv->getNodePath(); |
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225 | |
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226 | // If Nodepath != empty, then mt = last element of node path |
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227 | osg::MatrixTransform* mt = nodePath.empty() ? 0 : dynamic_cast<osg::MatrixTransform*>(nodePath.back()); |
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228 | if (mt) |
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229 | { |
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230 | osg::CoordinateSystemNode* csn = 0; |
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231 | |
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232 | // find coordinate system node from our parental chain: traverse chain and try to convert every node to a csn. |
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233 | unsigned int i; |
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234 | for(i=0; i<nodePath.size() && csn==0; ++i) // "&& csn" means: exit loop if csn found |
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235 | { |
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236 | csn = dynamic_cast<osg::CoordinateSystemNode*>(nodePath[i]); // dynamic_cast returns 0 if dynamic_cast fails. |
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237 | } |
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238 | |
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239 | // Wenn csn gefunden: |
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240 | if (csn) |
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241 | { |
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242 | // Ellipsoidmodel erfragen |
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243 | osg::EllipsoidModel* ellipsoid = csn->getEllipsoidModel(); |
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244 | if (ellipsoid) |
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245 | { |
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246 | osg::Matrix inheritedMatrix; |
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247 | |
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248 | // durch den _restlichen_ Nodepath durchgehen und alle anfallenden Transformationen durchführen. |
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249 | for(i+=1; i<nodePath.size()-1; ++i) |
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250 | { |
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251 | osg::Transform* transform = nodePath[i]->asTransform(); // Versuchen, den Node zu einer Transformation zu konvertieren |
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252 | |
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253 | // wenn Node wirklich Trafo, dann die Tranformationsmatrix von Nodekoordinaten nach Global auf inheritedMatrix draufschlagen. |
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254 | if (transform) transform->computeLocalToWorldMatrix(inheritedMatrix, nv); |
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255 | } |
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256 | |
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257 | osg::Matrixd matrix(inheritedMatrix); |
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258 | |
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259 | // Set position |
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260 | ellipsoid->computeLocalToWorldTransformFromLatLongHeight(object->lat, object->lon, object->alt, matrix); |
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261 | |
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262 | // Set Upvector for position |
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263 | double X,Y,Z; |
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264 | util::calculateXYZAtWGS84Coordinate(object->lat, object->lon, object->alt, csn, X, Y, Z ); |
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265 | object->upVector = ellipsoid->computeLocalUpVector(X,Y,Z); |
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266 | |
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267 | // Set scale |
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268 | osg::Matrixd scaleMatrix; |
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269 | scaleMatrix.makeScale( object->scaleX, object->scaleY, object->scaleZ ); |
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270 | matrix.preMult( scaleMatrix ); |
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271 | |
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272 | // Set rotation |
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273 | // rotation von links ranmultiplizieren, entspricht: matrix = rotation * matrix. Da rotation ein Quat ist, wäre die direkte Multiplikation nur über Umwege machbar. |
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274 | // Rotate Object to Attitude. |
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275 | osg::Matrixd rotationMatrix; |
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276 | // Move Model by Azimuth |
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277 | rotationMatrix.makeRotate( -object->azimuthAngle_psi, osg::Vec3d(0.0, 0.0, 1.0) ); |
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278 | matrix.preMult(rotationMatrix); |
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279 | // Move Model by Pitch |
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280 | rotationMatrix.makeRotate( object->pitchAngle_theta, osg::Vec3d(1.0, 0.0, 0.0) ); |
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281 | matrix.preMult(rotationMatrix); |
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282 | // Move Model by Bank |
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283 | rotationMatrix.makeRotate( object->bankAngle_phi, osg::Vec3d(0.0, 1.0, 0.0) ); |
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284 | matrix.preMult(rotationMatrix); |
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285 | |
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286 | // Also update camera matrix (without geometry offset, because camera is interested in the objects matrix, not in the model's matrix.) |
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287 | object->cameraMatrix = matrix; |
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288 | /** \todo : Clean up camera matrix management: try to solve it with a single matrix. (each frame two matrix mults less) */ |
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289 | // dont know, why this rotation is necessary - maybe manipulator and node MatrixTransform interpret a matrix in different way? |
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290 | object->cameraMatrix.preMult( object->cameraTranslationOffset ); |
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291 | object->cameraMatrix.preMult( object->cameraRotationOffset ); |
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292 | |
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293 | |
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294 | // Set geometry correction |
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295 | matrix.preMultRotate( object->geometry_offset_rotation ); |
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296 | |
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297 | // Set cumulated object matrix as the matrix of this matrix transform |
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298 | mt->setMatrix(matrix); |
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299 | } |
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300 | } |
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301 | } |
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302 | |
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303 | // Call any nested callbacks. |
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304 | traverse(node,nv); |
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305 | |
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306 | // If SLAVE: execute postUpdater to pass new data of this object to dataIO. |
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307 | if( visual_dataIO::getInstance()->isSlave() ) |
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308 | { |
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309 | if ( object->updater.valid() ) |
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310 | object->updater->postUpdate(object); |
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311 | } |
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312 | |
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313 | } // Callbackfunction [ Operater() ] END |
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314 | |
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315 | void visual_object::setCameraOffsetTranslation( double x_, double y_, double z_) |
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316 | { |
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317 | cameraTranslationOffset.makeTranslate( osg::Vec3d(x_, y_, z_) ); // Trans: (rechts davon, longitudinal, vertikal) |
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318 | } |
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319 | |
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320 | void visual_object::setCameraOffset(double x_, double y_, double z_, double rotX_, double rotY_, double rotZ_) |
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321 | { |
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322 | setCameraOffsetTranslation( x_, y_, z_); |
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323 | setCameraOffsetRotation( rotX_, rotY_, rotZ_); |
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324 | } |
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325 | |
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326 | void visual_object::setCameraOffsetRotation(double rotX_, double rotY_, double rotZ_) |
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327 | { |
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328 | osg::Matrix tmp; |
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329 | cameraRotationOffset.makeRotate( osg::DegreesToRadians( 90.0 ), osg::Vec3(1, 0, 0) ); |
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330 | tmp.makeRotate( -rotZ_, osg::Vec3d(0.0, 1.0, 0.0) ); |
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331 | cameraRotationOffset.preMult(tmp); |
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332 | tmp.makeRotate( rotY_, osg::Vec3d(1.0, 0.0, 0.0) ); |
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333 | cameraRotationOffset.preMult(tmp); |
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334 | tmp.makeRotate( -rotX_, osg::Vec3d(0.0, 0.0, 1.0) ); |
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335 | cameraRotationOffset.preMult(tmp); |
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336 | } |
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337 | |
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338 | void visual_object::clearLabels() |
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339 | { |
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340 | labels->removeDrawables(0, labels->getNumDrawables()); |
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341 | } |
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342 | |
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343 | void visual_object::addLabel(std::string idString_, std::string label_, osg::Vec4 color_, osg::Vec3 offset_) |
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344 | { |
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345 | osg::ref_ptr<osgText::Text> text = new osgText::Text(); |
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346 | |
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347 | text->setName(idString_); |
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348 | text->setText(label_); |
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349 | text->setColor(color_); |
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350 | text->setFont("fonts/arial.ttf"); |
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351 | text->setCharacterSizeMode(osgText::Text::OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT); |
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352 | text->setAutoRotateToScreen(true); |
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353 | text->setPosition(offset_); |
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354 | |
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355 | text->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF); |
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356 | labels->addDrawable( text ); |
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357 | } |
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358 | |
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359 | bool visual_object::removeLabel(std::string idString_) |
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360 | { |
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361 | osg::Node* labelToRemove = util::findNamedNode(idString_, this); |
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362 | |
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363 | if(labelToRemove) |
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364 | { |
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365 | removeChild( labelToRemove ); |
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366 | return true; |
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367 | } |
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368 | else |
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369 | return false; |
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370 | } |
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371 | |
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372 | bool visual_object::updateLabelText(std::string idString_, std::string label_) |
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373 | { |
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374 | osg::Node* labelToUpdate = util::findNamedNode(idString_, this); |
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375 | |
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376 | if(labelToUpdate) |
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377 | { |
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378 | osgText::Text* text = dynamic_cast<osgText::Text*>(labelToUpdate); |
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379 | if(text) |
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380 | { |
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381 | text->setText(label_); |
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382 | return true; |
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383 | } |
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384 | return false; |
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385 | } |
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386 | return false; |
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387 | } |
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388 | |
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389 | osgText::Text* visual_object::getLabel(std::string idString_) |
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390 | { |
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391 | osg::Node* labelToFind = util::findNamedNode(idString_, this); |
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392 | |
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393 | if(labelToFind) |
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394 | { |
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395 | osgText::Text* text = dynamic_cast<osgText::Text*>(labelToFind); |
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396 | if(text) |
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397 | return text; |
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398 | } |
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399 | return NULL; |
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400 | |
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401 | } |
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402 | |
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403 | bool visual_object::setDrawLabelAsOverlay(std::string idString_, bool drawAsOverlay) |
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404 | { |
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405 | osg::Node* labelToFind = util::findNamedNode(idString_, this); |
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406 | |
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407 | if(labelToFind) |
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408 | { |
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409 | if (drawAsOverlay) |
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410 | labelToFind->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF); |
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411 | else |
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412 | labelToFind->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::ON); |
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413 | return true; |
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414 | } |
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415 | else |
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416 | return false; |
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417 | } |
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418 | |
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419 | bool visual_object::getDrawLabelAsOverlay(std::string idString_) |
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420 | { |
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421 | osg::Node* labelToFind = util::findNamedNode(idString_, this); |
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422 | |
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423 | if(labelToFind) |
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424 | { |
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425 | if(labelToFind->getOrCreateStateSet()->getMode(GL_DEPTH_TEST) == osg::StateAttribute::OFF) |
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426 | return false; |
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427 | else |
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428 | return true; |
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429 | } |
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430 | return false; |
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431 | } |
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