279 lines
8.5 KiB
C++
279 lines
8.5 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This application is open source and may be redistributed and/or modified
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* freely and without restriction, both in commericial and non commericial applications,
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* as long as this copyright notice is maintained.
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*
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* This application is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <osgDB/ReadFile>
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#include <osgUtil/Optimizer>
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#include <osgViewer/Viewer>
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#include <osg/CoordinateSystemNode>
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#include <osgGA/GUIEventAdapter>
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#include <CEGUISystem.h>
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#include <RendererModules/OpenGLGUIRenderer/openglrenderer.h>
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#include <CEGUIScriptModule.h>
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#include <CEGUIFontManager.h>
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#include <CEGUISchemeManager.h>
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#include <CEGUIWindowManager.h>
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#include <CEGUIExceptions.h>
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#include <iostream>
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class CEGUIDrawable : public osg::Drawable
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{
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public:
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CEGUIDrawable();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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CEGUIDrawable(const CEGUIDrawable& drawable,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
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Drawable(drawable,copyop) {}
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META_Object(osg,CEGUIDrawable);
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void loadScheme(const std::string& scheme);
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void loadFont(const std::string& font);
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void loadLayout(const std::string& layout);
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void drawImplementation(osg::State& state) const;
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protected:
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virtual ~CEGUIDrawable();
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unsigned int _activeContextID;
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};
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struct CEGUIEventCallback : public osgGA::GUIEventHandler
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{
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CEGUIEventCallback() {}
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/** do customized Event code. */
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virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object* obj, osg::NodeVisitor* nv)
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{
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osgGA::EventVisitor* ev = dynamic_cast<osgGA::EventVisitor*>(nv);
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CEGUIDrawable* cd = dynamic_cast<CEGUIDrawable*>(obj);
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if (!ev || !cd) return false;
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switch(ea.getEventType())
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{
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case(osgGA::GUIEventAdapter::DRAG):
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case(osgGA::GUIEventAdapter::MOVE):
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CEGUI::System::getSingleton().injectMousePosition(ea.getX(),ea.getY());
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return true;
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case(osgGA::GUIEventAdapter::PUSH):
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{
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CEGUI::System::getSingleton().injectMousePosition(ea.getX(), ea.getY());
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if (ea.getButton() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON) // left
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CEGUI::System::getSingleton().injectMouseButtonDown(CEGUI::LeftButton);
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else if (ea.getButton() == osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON) // middle
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CEGUI::System::getSingleton().injectMouseButtonDown(CEGUI::MiddleButton);
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else if (ea.getButton() == osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON) // right
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CEGUI::System::getSingleton().injectMouseButtonDown(CEGUI::RightButton);
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return true;
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}
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case(osgGA::GUIEventAdapter::RELEASE):
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{
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CEGUI::System::getSingleton().injectMousePosition(ea.getX(), ea.getY());
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if (ea.getButton() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON) // left
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CEGUI::System::getSingleton().injectMouseButtonUp(CEGUI::LeftButton);
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else if (ea.getButton() == osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON) // middle
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CEGUI::System::getSingleton().injectMouseButtonUp(CEGUI::MiddleButton);
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else if (ea.getButton() == osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON) // right
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CEGUI::System::getSingleton().injectMouseButtonUp(CEGUI::RightButton);
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return true;
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}
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case(osgGA::GUIEventAdapter::DOUBLECLICK):
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{
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// do we need to do something special here to handle double click??? Will just assume button down for now.
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CEGUI::System::getSingleton().injectMousePosition(ea.getX(), ea.getY());
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if (ea.getButton() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON) // left
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CEGUI::System::getSingleton().injectMouseButtonDown(CEGUI::LeftButton);
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else if (ea.getButton() == osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON) // middle
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CEGUI::System::getSingleton().injectMouseButtonDown(CEGUI::MiddleButton);
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else if (ea.getButton() == osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON) // right
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CEGUI::System::getSingleton().injectMouseButtonDown(CEGUI::RightButton);
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return true;
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}
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case(osgGA::GUIEventAdapter::KEYDOWN):
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CEGUI::System::getSingleton().injectKeyDown( static_cast<CEGUI::uint>(ea.getKey()) );
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CEGUI::System::getSingleton().injectChar( static_cast<CEGUI::utf32>( ea.getKey() ) );
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return true;
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case(osgGA::GUIEventAdapter::KEYUP):
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CEGUI::System::getSingleton().injectKeyUp( static_cast<CEGUI::uint>(ea.getKey()) );
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return true;
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default:
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break;
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}
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return false;
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}
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};
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CEGUIDrawable::CEGUIDrawable()
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{
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setSupportsDisplayList(false);
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setEventCallback(new CEGUIEventCallback());
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new CEGUI::System( new CEGUI::OpenGLRenderer(0) );
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_activeContextID = 0;
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}
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CEGUIDrawable::~CEGUIDrawable()
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{
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// delete CEGUI??
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}
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void CEGUIDrawable::loadScheme(const std::string& scheme)
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{
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try
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{
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CEGUI::SchemeManager::getSingleton().loadScheme(scheme.c_str());
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}
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catch (CEGUI::Exception e)
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{
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std::cout<<"CEGUIDrawable::loadScheme Error: "<<e.getMessage()<<std::endl;
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}
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}
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void CEGUIDrawable::loadFont(const std::string& font)
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{
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try
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{
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CEGUI::FontManager::getSingleton().createFont(font.c_str());
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}
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catch (CEGUI::Exception e)
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{
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std::cout<<"CEGUIDrawable::loadFont Error: "<<e.getMessage()<<std::endl;
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}
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}
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void CEGUIDrawable::loadLayout(const std::string& layout)
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{
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try
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{
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CEGUI::Window* myRoot = CEGUI::WindowManager::getSingleton().loadWindowLayout(layout.c_str());
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CEGUI::System::getSingleton().setGUISheet(myRoot);
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}
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catch (CEGUI::Exception e)
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{
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std::cout<<"CEGUIDrawable::loadLayout error: "<<e.getMessage()<<std::endl;
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}
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}
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void CEGUIDrawable::drawImplementation(osg::State& state) const
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{
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if (state.getContextID()!=_activeContextID) return;
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glPushAttrib(GL_ALL_ATTRIB_BITS);
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state.disableAllVertexArrays();
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CEGUI::System::getSingleton().renderGUI();
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glPopAttrib();
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state.checkGLErrors("CEGUIDrawable::drawImplementation");
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}
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int main( int argc, char **argv )
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{
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// use an ArgumentParser object to manage the program arguments.
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osg::ArgumentParser arguments(&argc,argv);
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// construct the viewer.
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osgViewer::Viewer viewer;
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osg::ref_ptr<osg::Geode> geode = new osg::Geode;
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osg::ref_ptr<CEGUIDrawable> cd = new CEGUIDrawable();
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geode->addDrawable(cd.get());
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std::string scheme;
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while(arguments.read("--scheme",scheme))
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{
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cd->loadScheme(scheme);
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}
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std::string font;
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while(arguments.read("--font",font))
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{
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cd->loadFont(font);
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}
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std::string layout;
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while(arguments.read("--layout",layout))
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{
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cd->loadLayout(layout);
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}
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osg::Timer_t start_tick = osg::Timer::instance()->tick();
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// read the scene from the list of file specified command line args.
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osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
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// if no model has been successfully loaded report failure.
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if (!loadedModel)
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{
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std::cout << arguments.getApplicationName() <<": No data loaded" << std::endl;
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return 1;
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}
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osg::ref_ptr<osg::Group> group = new osg::Group;
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group->addChild(loadedModel.get());
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group->addChild(geode.get());
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// any option left unread are converted into errors to write out later.
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arguments.reportRemainingOptionsAsUnrecognized();
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// report any errors if they have occurred when parsing the program arguments.
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if (arguments.errors())
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{
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arguments.writeErrorMessages(std::cout);
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}
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osg::Timer_t end_tick = osg::Timer::instance()->tick();
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std::cout << "Time to load = "<<osg::Timer::instance()->delta_s(start_tick,end_tick)<<std::endl;
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// optimize the scene graph, remove redundant nodes and state etc.
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osgUtil::Optimizer optimizer;
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optimizer.optimize(loadedModel.get());
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// pass the loaded scene graph to the viewer.
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viewer.setSceneData(group.get());
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// run the viewer
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return viewer.run();
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}
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