OgreViewer: src/ogreviewer.cpp Source File

00001 #include "ogreviewer.h"
00002 
00003 using namespace Ogre;
00004 
00005 
00006 OgreViewer::OgreViewer()
00007 {
00008   rotSpeed = 15;
00009   rolling  = false;
00010   yawing   = true;
00011   pitching = false;
00012   toggle   = 0;
00013 }
00014 
00015 OgreViewer::~OgreViewer()
00016 {
00017   if(camListener) delete camListener;
00018 }
00019 
00021 
00030 void OgreViewer::createScene(void)
00031 {
00032   LogManager::getSingleton().logMessage("***Loading Scene***");
00033   LogManager::getSingleton().logMessage("Setting ambient light and shadows");
00034   mSceneMgr->setAmbientLight(ColourValue(0.2, 0.2, 0.2));
00035   mSceneMgr->setShadowTechnique(SHADOWTYPE_STENCIL_ADDITIVE);
00036   Light *l = mSceneMgr->createLight("SpotLight1");
00037   l->setType(Light::LT_SPOTLIGHT);
00038   l->setDiffuseColour( ColourValue(1.0, 0.5, 0.5) );
00039   l->setSpecularColour( ColourValue(1.0, 0.5, 0.5) );
00040   l->setPosition( Vector3(-100, 200, 0) );
00041   l->setDirection( Vector3(1, -1, 0) );
00042   l->setSpotlightRange(Degree(15), Degree(45), 1);
00043   l->setVisible(true);
00044 
00045   l = mSceneMgr->createLight("SpotLight2");
00046   l->setType(Light::LT_SPOTLIGHT);
00047   l->setDiffuseColour( ColourValue(0.5, 1.0, 0.5) );
00048   l->setSpecularColour( ColourValue(0.5, 1.0, 0.5) );
00049   l->setPosition( Vector3(100, 200, 0) );
00050   l->setDirection( Vector3(-1, -1, 0) );
00051   l->setSpotlightRange(Degree(15), Degree(45), 1);
00052   l->setVisible(true);
00053 
00054   l = mSceneMgr->createLight("SpotLight3");
00055   l->setType(Light::LT_SPOTLIGHT);
00056   l->setDiffuseColour( ColourValue(0.5, 0.5, 1.0) );
00057   l->setSpecularColour( ColourValue(0.5, 0.5, 1.0) );
00058   l->setPosition( Vector3(0, 200, -100) );
00059   l->setDirection( Vector3(0, -1, 1) );
00060   l->setSpotlightRange(Degree(15), Degree(45), 1);
00061   l->setVisible(true);
00062 
00063   // Creating the plane
00064   LogManager::getSingleton().logMessage("Creating a \"ground\" plane");
00065   Plane plane(Vector3::UNIT_Y, 0);
00066   MeshManager::getSingleton().createPlane("ground", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, plane,
00067                                             1500, 1500, 20, 20, true, 1, 5, 5, Vector3::UNIT_Z);
00068   Entity *ent = mSceneMgr->createEntity("GroundEnt","ground");
00069   mSceneMgr->getRootSceneNode()->createChildSceneNode("GroundNode")->attachObject(ent);
00070   ent->setMaterialName("Ground");
00071   ent->setCastShadows(false);
00072 
00073   //Setting up the default node camera
00074   LogManager::getSingleton().logMessage("Setting default camera position");
00075   mSceneMgr->getSceneNode("CameraNode")->translate( Vector3(0,20,-500) );
00076   mSceneMgr->getSceneNode("CameraNode")->yaw(Degree(180), Node::TS_LOCAL);
00077   mSceneMgr->getSceneNode("CameraNode")->pitch( Degree(15), Node::TS_LOCAL );
00078 
00079   // Loading the skybox
00080   LogManager::getSingleton().logMessage("Creating a skybox");
00081   mSceneMgr->setSkyBox(true,"SkyBox",5000);
00082 
00083   // Load the mesh
00084   LogManager::getSingleton().logMessage("Loading example mesh");
00085   ent = mSceneMgr->createEntity("ExampleEnt","example.mesh");
00086   ent->setCastShadows(true);
00087   mSceneMgr->getRootSceneNode()->createChildSceneNode("ExampleNode")->attachObject(ent);
00088   mSceneMgr->getSceneNode("ExampleNode")->translate(0, 50, 0);
00089   mSceneMgr->getSceneNode("ExampleNode")->yaw(Degree(180), Node::TS_LOCAL);
00090 
00091   // Load the information Overlay
00092   LogManager::getSingleton().logMessage("Loading the information Overlay");
00093   OverlayManager& omgr = OverlayManager::getSingleton();
00094   Overlay *mLoadOverlay = (Overlay*)omgr.getByName("Overlays/Info");
00095   mLoadOverlay->show();
00096 }
00097 
00098 void OgreViewer::createFrameListener(void)
00099 {
00100   camListener = new CameraListener(mSceneMgr, mCamera, mKeyboard, mMouse);
00101 
00102   mRoot->addFrameListener(this);
00103   mRoot->addFrameListener(camListener);
00104 }
00105 
00107 
00115 bool OgreViewer::frameStarted(const FrameEvent &evt)
00116 {
00117   mKeyboard->capture();
00118 
00119   toggle -= evt.timeSinceLastFrame;
00120 
00121   if(mKeyboard->isKeyDown(OIS::KC_ESCAPE)) return false;
00122   if(mKeyboard->isKeyDown(OIS::KC_1) && toggle <= 0){ yawing == false ? yawing = true : yawing = false;       toggle = 0.5; }
00123   if(mKeyboard->isKeyDown(OIS::KC_2) && toggle <= 0){ rolling == false ? rolling = true : rolling = false;    toggle = 0.5; }
00124   if(mKeyboard->isKeyDown(OIS::KC_3) && toggle <= 0){ pitching == false ? pitching = true : pitching = false; toggle = 0.5; }
00125 
00126   const RenderTarget::FrameStats &stats = mWindow->getStatistics();
00127   setFps(stats.avgFPS);
00128 
00129   // Rotate the ExampleNode
00130   if(yawing)
00131     mSceneMgr->getSceneNode("ExampleNode")->yaw( Degree(rotSpeed) * evt.timeSinceLastFrame, Node::TS_LOCAL);
00132   if(rolling)
00133     mSceneMgr->getSceneNode("ExampleNode")->roll( Degree(rotSpeed) * evt.timeSinceLastFrame, Node::TS_LOCAL);
00134   if(pitching)
00135     mSceneMgr->getSceneNode("ExampleNode")->pitch( Degree(rotSpeed) * evt.timeSinceLastFrame, Node::TS_LOCAL);
00136   return true;
00137 }
00138 
00139 void OgreViewer::setFps(Real avgFps)
00140 {
00141   OverlayManager *ovm = OverlayManager::getSingletonPtr();
00142   OverlayElement *pTxt = static_cast<OverlayElement*>(ovm->getOverlayElement("FPS"));
00143   pTxt->setCaption(String("FPS:")+StringConverter::toString(avgFps));
00144 }