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| 2 | #include <osg/LightSource> |
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| 3 | #include <osgUtil/UpdateVisitor> |
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| 4 | #include <osgGA/StateSetManipulator> |
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| 5 | #include <osgProducer/ViewerEventHandler> |
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| 6 | #include "customviewer.h" |
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| 7 | |
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| 8 | using namespace osg; |
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| 9 | |
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| 10 | |
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| 11 | CustomViewer::CustomViewer(osg::ArgumentParser& arguments) : Viewer(arguments) |
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| 12 | { |
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| 13 | |
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| 14 | } |
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| 15 | |
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| 16 | |
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| 17 | |
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| 18 | void CustomViewer::setUpViewer(unsigned int options) |
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| 19 | { |
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| 20 | // set up the keyboard and mouse handling. |
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| 21 | Producer::InputArea *ia = getCameraConfig()->getInputArea(); |
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| 22 | |
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| 23 | if (!_kbm) |
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| 24 | { |
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| 25 | _kbm = ia ? |
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| 26 | (new Producer::KeyboardMouse(ia)) : |
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| 27 | (new Producer::KeyboardMouse(getCamera(0)->getRenderSurface())); |
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| 28 | } |
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| 29 | |
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| 30 | // set the keyboard mouse callback to catch the events from the windows. |
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| 31 | if (!_kbmcb) |
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| 32 | _kbmcb = new osgProducer::KeyboardMouseCallback( _kbm.get(), _done, (options & ESCAPE_SETS_DONE)!=0 ); |
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| 33 | |
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| 34 | _kbmcb->setStartTick(_start_tick); |
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| 35 | |
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| 36 | // register the callback with the keyboard mouse manager. |
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| 37 | _kbm->setCallback( _kbmcb.get() ); |
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| 38 | //kbm->allowContinuousMouseMotionUpdate(true); |
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| 39 | |
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| 40 | // set the global state |
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| 41 | osg::ref_ptr<osg::StateSet> globalStateSet = new osg::StateSet; |
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| 42 | setGlobalStateSet(globalStateSet.get()); |
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| 43 | { |
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| 44 | globalStateSet->setGlobalDefaults(); |
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| 45 | |
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| 46 | // enable depth testing by default. |
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| 47 | globalStateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON); |
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| 48 | |
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| 49 | // enable lighting by default |
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| 50 | globalStateSet->setMode(GL_LIGHTING, osg::StateAttribute::ON); |
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| 51 | |
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| 52 | // set up an alphafunc by default to speed up blending operations. |
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| 53 | osg::AlphaFunc* alphafunc = new osg::AlphaFunc; |
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| 54 | alphafunc->setFunction(osg::AlphaFunc::GREATER,0.0f); |
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| 55 | globalStateSet->setAttributeAndModes(alphafunc, osg::StateAttribute::ON); |
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| 56 | } |
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| 57 | |
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| 58 | |
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| 59 | if (!_updateVisitor) _updateVisitor = new osgUtil::UpdateVisitor; |
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| 60 | _updateVisitor->setFrameStamp(_frameStamp.get()); |
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| 61 | |
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| 62 | |
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| 63 | _trackball = new CustomTrackballManipulator; |
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| 64 | _eventHandlerList.push_back( _trackball ); |
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| 65 | |
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| 66 | _terrainmanipulator = new CustomTerrainManipulator; |
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| 67 | if (options&TERRAIN_MANIPULATOR) addCameraManipulator( _terrainmanipulator ); |
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| 68 | //if (options&TRACKBALL_MANIPULATOR) addCameraManipulator( _trackball ); |
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| 69 | |
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| 70 | |
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| 71 | if (options&STATE_MANIPULATOR) |
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| 72 | { |
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| 73 | osg::ref_ptr<osgGA::StateSetManipulator> statesetManipulator = new osgGA::StateSetManipulator; |
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| 74 | statesetManipulator->setStateSet( getGlobalStateSet() ); |
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| 75 | _eventHandlerList.push_back( statesetManipulator.get() ); |
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| 76 | } |
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| 77 | |
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| 78 | if (options&VIEWER_MANIPULATOR) |
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| 79 | { |
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| 80 | osg::ref_ptr<osgProducer::ViewerEventHandler> viewereventhandler = new osgProducer::ViewerEventHandler(this); |
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| 81 | getEventHandlerList().push_back( viewereventhandler.get() ); |
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| 82 | } |
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| 83 | |
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| 84 | } |
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