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| #include "OgreWidget.h"
//-------------------------------------------------------------------------------------
OgreWidget::OgreWidget(void) :
mRoot(0),
mCamera(0),
mSceneMgr(0),
mWindow(0),
mResourcesCfg(Ogre::StringUtil::BLANK),
mPluginsCfg(Ogre::StringUtil::BLANK),
mCursorWasVisible(false),
mShutDown(false),
mMouseLastPos(0, 0)
{
setAttribute(Qt::WA_OpaquePaintEvent);
setAttribute(Qt::WA_PaintOnScreen);
setMinimumSize(160,120);
setFocusPolicy(Qt::ClickFocus);
}
//-------------------------------------------------------------------------------------
OgreWidget::~OgreWidget(void)
{
}
//-------------------------------------------------------------------------------------
bool OgreWidget::configure(void)
{
// Show the configuration dialog and initialise the system
// You can skip this and use root.restoreConfig() to load configuration
// settings if you were sure there are valid ones saved in ogre.cfg
if(mRoot->restoreConfig() || mRoot->showConfigDialog())
{
// If returned true, user clicked OK so initialise
// Here we choose to let the system create a default rendering window by passing 'true'
mWindow = mRoot->initialise(true, "OgreWidget");
return true;
}
else
{
return false;
}
}
void OgreWidget::closeApplication()
{
destroyScene();
if(mWindow)
{
mWindow->removeAllViewports();
}
if(mRoot)
{
if(mSceneMgr)
{
mRoot->detachRenderTarget(mWindow);
mRoot->destroySceneManager(mSceneMgr);
}
}
delete mRoot;
}
//-------------------------------------------------------------------------------------
void OgreWidget::chooseSceneManager(void)
{
// Get the SceneManager, in this case a generic one
mSceneMgr = mRoot->createSceneManager(Ogre::ST_GENERIC);
}
//-------------------------------------------------------------------------------------
void OgreWidget::createCamera(void)
{
mCamera = new CInternalCamera(mSceneMgr);
}
//-------------------------------------------------------------------------------------
void OgreWidget::createFrameListener(void)
{
/*
size_t windowHnd = 0;
std::ostringstream windowHndStr;
mWindow->getCustomAttribute("WINDOW", &windowHnd);
windowHndStr << windowHnd;
pl.insert(std::make_pair(std::string("WINDOW"), windowHndStr.str()));
*/
Ogre::NameValuePairList viewConfig;
Ogre::String widgetHandle;
#ifdef Q_WS_WIN
widgetHandle = Ogre::StringConverter::toString((size_t)((HWND)winId()));
#else
QWidget *q_parent = dynamic_cast <QWidget *> (parent());
QX11Info xInfo = x11Info();
widgetHandle = Ogre::StringConverter::toString ((unsigned long)xInfo.display()) +
":" + Ogre::StringConverter::toString ((unsigned int)xInfo.screen()) +
":" + Ogre::StringConverter::toString ((unsigned long)q_parent->winId());
#endif
viewConfig["externalWindowHandle"] = widgetHandle;
mWindow = mRoot->createRenderWindow("Ogre rendering window", width(), height(), false, &viewConfig);
mRoot->addFrameListener(this);
}
//-------------------------------------------------------------------------------------
void OgreWidget::createScene(void)
{
mSceneMgr->setAmbientLight(Ogre::ColourValue(1,1,1));
Ogre::Entity *robotEntity = mSceneMgr->createEntity("Robot", "robot.mesh");
Ogre::SceneNode *robotNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("RobotNode");
robotNode->attachObject(robotEntity);
robotNode->yaw(Ogre::Radian(Ogre::Degree(-90)));
}
//-------------------------------------------------------------------------------------
void OgreWidget::destroyScene(void)
{
}
//-------------------------------------------------------------------------------------
void OgreWidget::createViewports(void)
{
// Create one viewport, entire window
mViewport = mWindow->addViewport(mCamera->getOgreCamera());
mViewport->setBackgroundColour(Ogre::ColourValue(1,0,0));
// Alter the camera aspect ratio to match the viewport
mCamera->getOgreCamera()->setAspectRatio( Ogre::Real(width()) / Ogre::Real(height()));
}
//-------------------------------------------------------------------------------------
void OgreWidget::setupResources(void)
{
// Load resource paths from config file
Ogre::ConfigFile cf;
cf.load(mResourcesCfg);
// Go through all sections & settings in the file
Ogre::ConfigFile::SectionIterator seci = cf.getSectionIterator();
Ogre::String secName, typeName, archName;
while (seci.hasMoreElements())
{
secName = seci.peekNextKey();
Ogre::ConfigFile::SettingsMultiMap *settings = seci.getNext();
Ogre::ConfigFile::SettingsMultiMap::iterator i;
for (i = settings->begin(); i != settings->end(); ++i)
{
typeName = i->first;
archName = i->second;
Ogre::ResourceGroupManager::getSingleton().addResourceLocation(
archName, typeName, secName);
}
}
}
//-------------------------------------------------------------------------------------
void OgreWidget::createResourceListener(void)
{
}
//-------------------------------------------------------------------------------------
void OgreWidget::loadResources(void)
{
Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
}
//-------------------------------------------------------------------------------------
bool OgreWidget::setup(void)
{
mRoot = new Ogre::Root(mPluginsCfg);
setupResources();
bool carryOn = configure();
if (!carryOn) return false;
chooseSceneManager();
createCamera();
createViewports();
// Set default mipmap level (NB some APIs ignore this)
Ogre::TextureManager::getSingleton().setDefaultNumMipmaps(5);
// Create any resource listeners (for loading screens)
createResourceListener();
// Load resources
loadResources();
// Create the scene
createScene();
createFrameListener();
return true;
};
//-------------------------------------------------------------------------------------
bool OgreWidget::frameRenderingQueued(const Ogre::FrameEvent& evt)
{
if(mWindow->isClosed())
return false;
if(mShutDown)
return false;
return true;
}
//-------------------------------------------------------------------------------------
void OgreWidget::moveEvent(QMoveEvent *e)
{
QWidget::moveEvent(e);
update();
}
//-------------------------------------------------------------------------------------
void OgreWidget::paintEvent(QPaintEvent *e)
{
mRoot->_fireFrameStarted();
mWindow->update();
mRoot->_fireFrameEnded();
e->accept();
}
//-------------------------------------------------------------------------------------
void OgreWidget::resizeEvent(QResizeEvent *e)
{
QWidget::resizeEvent(e);
if(e->isAccepted())
{
const QSize &newSize = e->size();
if(mWindow)
{
mWindow->resize(newSize.width(), newSize.height());
}
if(mCamera)
{
Ogre::Real aspectRatio = Ogre::Real(newSize.width()) / Ogre::Real(newSize.height());
mCamera->getOgreCamera()->setAspectRatio(aspectRatio);
}
}
update();
}
//-------------------------------------------------------------------------------------
void OgreWidget::showEvent(QShowEvent *e)
{
#ifdef _DEBUG
mResourcesCfg = "resources_d.cfg";
mPluginsCfg = "plugins_d.cfg";
#else
mResourcesCfg = "resources.cfg";
mPluginsCfg = "plugins.cfg";
#endif
if (!setup())
return;
mRoot->startRendering();
// clean up
destroyScene();
QWidget::showEvent(e);
}
//-------------------------------------------------------------------------------------
void OgreWidget::closeEvent(QCloseEvent *e)
{
closeApplication();
QWidget::close();
}
//-------------------------------------------------------------------------------------
void OgreWidget::setBackgroundColor(QColor c)
{
if(mViewport)
{
Ogre::ColourValue ogreColour;
ogreColour.setAsARGB(c.rgba());
mViewport->setBackgroundColour(ogreColour);
}
update();
}
//-------------------------------------------------------------------------------------
void OgreWidget::mouseMoveEvent(QMouseEvent *e)
{
if ( e->buttons().testFlag(Qt::RightButton) )
{
QMessageBox::information(0, "INFO", "test");
QPoint currentPos = e->pos();
QPoint movement = currentPos - mMouseLastPos;
mCamera->motion(movement.x(), movement.y());
mMouseLastPos = currentPos;
}
}
//-------------------------------------------------------------------------------------
void OgreWidget::mousePressEvent(QMouseEvent *e)
{
}
//-------------------------------------------------------------------------------------
void OgreWidget::mouseReleaseEvent(QMouseEvent *e)
{
}
//-------------------------------------------------------------------------------------
void OgreWidget::keyPressEvent(QKeyEvent *e)
{
switch(e->key())
{
case Qt::Key_Escape:
mShutDown = true;
break;
case Qt::Key_Z:
//mDirection.z = -1;
break;
case Qt::Key_S:
//mDirection.z = 1;
break;
case Qt::Key_Q:
//mDirection.x = -1;
break;
case Qt::Key_D:
//mDirection.x = 1;
break;
case Qt::Key_PageUp:
//mDirection.y = 1;
break;
case Qt::Key_PageDown:
//mDirection.y = -1;
break;
}
e->accept();
}
//-------------------------------------------------------------------------------------
void OgreWidget::keyReleaseEvent(QKeyEvent *e)
{
switch(e->key())
{
case Qt::Key_Z:
//mDirection.z = 0;
break;
case Qt::Key_S:
//mDirection.z = 0;
break;
case Qt::Key_Q:
//mDirection.x = 0;
break;
case Qt::Key_D:
//mDirection.x = 0;
break;
case Qt::Key_PageUp:
//mDirection.y = 0;
break;
case Qt::Key_PageDown:
//mDirection.y = 0;
break;
}
e->accept();
}
//-------------------------------------------------------------------------------------
QPaintEngine * OgreWidget::paintEngine() const
{
return 0;
}
//------------------------------------------------------------------------------------- |
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