1 | /* osgVisual test. distortionNG, experimental. |
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2 | * |
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3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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4 | * of this software and associated documentation files (the "Software"), to deal |
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5 | * in the Software without restriction, including without limitation the rights |
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6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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7 | * copies of the Software, and to permit persons to whom the Software is |
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8 | * furnished to do so, subject to the following conditions: |
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9 | * |
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10 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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11 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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12 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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13 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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14 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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15 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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16 | * THE SOFTWARE. |
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17 | */ |
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18 | |
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19 | #include <osg/ArgumentParser> |
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20 | #include <osgDB/ReadFile> |
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21 | |
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22 | #include <osgViewer/Viewer> |
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23 | #include <osgViewer/ViewerEventHandlers> |
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24 | |
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25 | #include <osgGA/TrackballManipulator> |
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26 | #include <osgGA/FlightManipulator> |
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27 | #include <osgGA/DriveManipulator> |
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28 | #include <osgGA/KeySwitchMatrixManipulator> |
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29 | #include <osgGA/StateSetManipulator> |
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30 | #include <osgGA/AnimationPathManipulator> |
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31 | #include <osgGA/TerrainManipulator> |
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32 | int main(int argc, char** argv) |
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33 | { |
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34 | osg::ArgumentParser arguments(&argc, argv); |
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35 | |
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36 | // construct the viewer. |
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37 | osgViewer::Viewer viewer(arguments); |
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38 | |
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39 | // set up the camera manipulators. |
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40 | { |
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41 | osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> keyswitchManipulator = new osgGA::KeySwitchMatrixManipulator; |
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42 | |
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43 | keyswitchManipulator->addMatrixManipulator( '1', "Trackball", new osgGA::TrackballManipulator() ); |
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44 | keyswitchManipulator->addMatrixManipulator( '2', "Flight", new osgGA::FlightManipulator() ); |
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45 | keyswitchManipulator->addMatrixManipulator( '3', "Drive", new osgGA::DriveManipulator() ); |
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46 | keyswitchManipulator->addMatrixManipulator( '4', "Terrain", new osgGA::TerrainManipulator() ); |
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47 | |
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48 | std::string pathfile; |
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49 | char keyForAnimationPath = '5'; |
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50 | while (arguments.read("-p",pathfile)) |
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51 | { |
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52 | osgGA::AnimationPathManipulator* apm = new osgGA::AnimationPathManipulator(pathfile); |
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53 | if (apm || !apm->valid()) |
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54 | { |
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55 | unsigned int num = keyswitchManipulator->getNumMatrixManipulators(); |
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56 | keyswitchManipulator->addMatrixManipulator( keyForAnimationPath, "Path", apm ); |
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57 | keyswitchManipulator->selectMatrixManipulator(num); |
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58 | ++keyForAnimationPath; |
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59 | } |
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60 | } |
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61 | |
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62 | viewer.setCameraManipulator( keyswitchManipulator.get() ); |
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63 | } |
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64 | |
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65 | |
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66 | // add the state manipulator |
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67 | viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) ); |
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68 | |
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69 | // add the stats handler |
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70 | viewer.addEventHandler(new osgViewer::StatsHandler); |
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71 | |
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72 | // add the record camera path handler |
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73 | viewer.addEventHandler(new osgViewer::RecordCameraPathHandler); |
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74 | |
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75 | // add the window size toggle handler |
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76 | viewer.addEventHandler(new osgViewer::WindowSizeHandler); |
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77 | |
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78 | // add the thread model handler |
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79 | viewer.addEventHandler(new osgViewer::ThreadingHandler); |
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80 | |
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81 | // add the help handler |
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82 | viewer.addEventHandler(new osgViewer::HelpHandler(arguments.getApplicationUsage())); |
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83 | |
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84 | // add the LOD Scale handler |
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85 | viewer.addEventHandler(new osgViewer::LODScaleHandler); |
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86 | |
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87 | // add the screen capture handler |
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88 | viewer.addEventHandler(new osgViewer::ScreenCaptureHandler); |
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89 | |
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90 | |
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91 | // obtain the vertical scale |
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92 | float verticalScale = 1.0f; |
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93 | while(arguments.read("-v",verticalScale)) {} |
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94 | |
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95 | // obtain the sample ratio |
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96 | float sampleRatio = 1.0f; |
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97 | while(arguments.read("-r",sampleRatio)) {} |
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98 | |
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99 | // load the nodes from the commandline arguments. |
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100 | osg::Node* rootnode = osgDB::readNodeFiles(arguments); |
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101 | |
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102 | if (!rootnode) |
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103 | { |
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104 | osg::notify(osg::NOTICE)<<"Warning: no valid data loaded, please specify a database on the command line."<<std::endl; |
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105 | return 1; |
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106 | } |
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107 | |
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108 | terrain->setSampleRatio(sampleRatio); |
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109 | terrain->setVerticalScale(verticalScale); |
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110 | terrain->setBlendingPolicy(blendingPolicy); |
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111 | //osg::ref_ptr<osgTerrain::TerrainTechnique> myT = new osgTerrain::myTerrainTechnique(); |
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112 | //terrain->setTerrainTechniquePrototype( myT ); |
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113 | |
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114 | |
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115 | // Use Tile load Callback |
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116 | osg::ref_ptr<osgTerrain::GeometryTechniquePrototypeWorkaroundTLC<osgTerrain::myTerrainTechnique> > tlcb = new osgTerrain::GeometryTechniquePrototypeWorkaroundTLC<osgTerrain::myTerrainTechnique>(); |
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117 | osgTerrain::TerrainTile::setTileLoadedCallback(tlcb); |
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118 | |
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119 | // register our custom handler for adjust Terrain settings |
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120 | viewer.addEventHandler(new TerrainHandler(terrain)); |
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121 | |
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122 | // add a viewport to the viewer and attach the scene graph. |
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123 | viewer.setSceneData( rootnode ); |
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124 | |
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125 | |
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126 | // run the viewers main loop |
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127 | return viewer.run(); |
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128 | |
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129 | } |
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