source: trunk/VUT/work/iv/TestCullingIVApplication.cpp @ 259

#include <OgreNoMemoryMacros.h>
#include <CEGUI/CEGUI.h>
#include <../CEGUIRenderer/include/OgreCEGUIRenderer.h>
#include <../CEGUIRenderer/include/OgreCEGUIResourceProvider.h>
#include <../CEGUIRenderer/include/OgreCEGUITexture.h>
#include <OgreMemoryMacros.h>

#include <Ogre.h>

//#include "OgreReferenceAppLayer.h"
//#include "OgreRefAppWorld.h"
#include "TestCullingIVApplication.h"
#include "IVFrameListener.h"

#define WIN32_LEAN_AND_MEAN
#include <windows.h>


/*********************************************************/
/*        TestCullingIVApplication implementation        */
/*********************************************************/

//-----------------------------------------------------------------------
TestCullingIVApplication::TestCullingIVApplication()
{
        mIVReader = new IVReader();
}
//-----------------------------------------------------------------------
TestCullingIVApplication::~TestCullingIVApplication()
{
        OGRE_DELETE(mIVReader);
}
//-----------------------------------------------------------------------
void TestCullingIVApplication::createCamera()
{
        // create the camera
        mCamera = mSceneMgr->createCamera("PlayerCam");
        // Look back along -Z
    mCamera->lookAt(Vector3(0, 0, -300));
        
        /** set a nice viewpoint
        *       we use a camera node here and apply all transformations on it instead
        *       of applying all transformations directly to the camera
        *       because then the camera is displayed correctly in the visualization
        */
        mCamNode = mSceneMgr->getRootSceneNode()->
                createChildSceneNode("CamNode1", Vector3(0, -100, -200));

        mCamNode->attachObject(mCamera);
        //mCamNode->lookAt(Vector3(0, 0, -300), Node::TS_WORLD); 
        //mCamNode->setOrientation(Quaternion(-0.3486, 0.0122, 0.9365, 0.0329));

        //-- create visualization camera
        mVizCamera = mSceneMgr->createCamera("VizCam");
        mVizCamera->setPosition(mCamNode->getPosition());

        mVizCamera->setNearClipDistance(1);
        mCamera->setNearClipDistance(1);

        // infinite far plane?
        if (mRoot->getRenderSystem()->getCapabilities()->hasCapability(RSC_INFINITE_FAR_PLANE))
        {
                mVizCamera->setFarClipDistance(0);
                mCamera->setFarClipDistance(0);
        }
        else
        {
                 mVizCamera->setFarClipDistance(20000);
                 mCamera->setFarClipDistance(20000);
        }       
}

//-----------------------------------------------------------------------
bool TestCullingIVApplication::setup()
{
        bool carryOn = ExampleApplication::setup();

        if (carryOn)
                createRenderTargetListener();

        return carryOn;
}
//-----------------------------------------------------------------------
void TestCullingIVApplication::createRenderTargetListener()
{
        mWindow->addListener(new VisualizationRenderTargetListener(mSceneMgr));
}
//-----------------------------------------------------------------------
void TestCullingIVApplication::createScene()
{
        Real scale = 1;
        mSceneMgr->setOption("NodeVizScale", &scale);
        // HACK: change this to relative path
        String path = "D:/svn/gtp/trunk/VUT/Ogre/resources/";
                
        SceneNode *node1 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node1");
        SceneNode *node2 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node2");
        SceneNode *node3 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node3");
        SceneNode *node4 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node4");
        SceneNode *node5 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node5");
        SceneNode *node6 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node6");
        SceneNode *node7 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node7");
        SceneNode *node8 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node8");
        SceneNode *node9 = mSceneMgr->getRootSceneNode()->createChildSceneNode("Node9");


        node1->translate(Vector3(-500, 0, 750));
        node2->translate(Vector3(-400, 0, 750));
        node3->scale(Vector3(100, 100 ,100));
        node3->pitch(Radian(3 * Math::HALF_PI));
        node4->translate(Vector3(-100, 0, 0));
        node5->translate(Vector3(0, 300, 0));
        
        node6->scale(Vector3(100, 100 ,100));
        node6->pitch(Radian(3 * Math::HALF_PI));
        node6->roll(Radian(Math::HALF_PI));
        node6->translate(Vector3(0, -100, 0));

        node7->scale(Vector3(100, 100 ,100)); 
        node7->pitch(Radian(3 * Math::HALF_PI));
        node7->roll(Radian(Math::HALF_PI));
        node7->translate(Vector3(100, 0, 0));
        
        node8->translate(Vector3(-300, -300, 0));

        Log *log = LogManager::getSingleton().createLog("IVLog.log");
        mIVReader->setLog(log);

        /*if (mIVReader->loadFile("media\\house_test1.iv"))
        {
                mIVReader->buildTree(mSceneMgr, node1);
                mIVReader->buildTree(mSceneMgr, node2);
        }
        if (mIVReader->loadFile("media\\anhk.wrl"))
        {
                mIVReader->buildTree(mSceneMgr, node3);
        }
        if (mIVReader->loadFile("media\\ant.wrl"))
        {
                mIVReader->buildTree(mSceneMgr, node4);
        }
        if (mIVReader->loadFile("media\\zepplin0.wrl"))
        {
                mIVReader->buildTree(mSceneMgr, node5);
        }
        if (mIVReader->loadFile("media\\warbird.wrl"))
        {
                mIVReader->buildTree(mSceneMgr, node6);
        }
        if (mIVReader->loadFile("media\\z_wing.wrl"))
        {
                mIVReader->buildTree(mSceneMgr, node7);
        }*/

        String fileName = path + "media\\city1500_flat_1.iv";
        if (mIVReader->loadFile(fileName.c_str()))
        {
                mIVReader->buildTree(mSceneMgr, node8);
        }

        fileName = path + "media\\roofs_1500.iv";
        if (mIVReader->loadFile(fileName.c_str()))
        {
                mIVReader->buildTree(mSceneMgr, node8);
        }

        fileName = path + "media\\CityRoads60.iv";
        if (mIVReader->loadFile(fileName.c_str()))
        {
                mIVReader->buildTree(mSceneMgr, node8);
        }

        fileName = path + "media\\CityPlane60.iv";
    if (mIVReader->loadFile(fileName.c_str()))
        {
                mIVReader->buildTree(mSceneMgr, node8);
        }
        
        fileName = path + "media\\test.iv";
        if (mIVReader->loadFile(fileName.c_str()))
        {
                mIVReader->buildTree(mSceneMgr, node9);
        }

        mIVReader->collapse();

        
        // Set ambient light
        mAmbientLight = ColourValue(0.5 , 0.5, 0.5);
        mSceneMgr->setAmbientLight(mAmbientLight);
        
        //-- create light
        mSunLight = mSceneMgr->createLight("SunLight");
        mSunLight->setType(Light::LT_DIRECTIONAL);
        //mSunLight->setType(Light::LT_SPOTLIGHT);
        //mSunLight->setSpotlightRange(Degree(30), Degree(50));

    mSunLight->setPosition(707, 2000, 500);
        mSunLight->setCastShadows(true);

        // set light angle not too small over the surface, otherwise shadows textures will be broken
        Vector3 dir(0.5, 1, 0.5);
        dir.normalise();
        mSunLight->setDirection(dir);
        //mSunLight->setDirection(Vector3::NEGATIVE_UNIT_Y);
        mSunLight->setDiffuseColour(1, 1, 1);
        mSunLight->setSpecularColour(1, 1, 1);

        // -- Fog
        // NB it's VERY important to set this before calling setWorldGeometry 
        // because the vertex program picked will be different
        ColourValue fadeColour(0.93, 0.86, 0.76);
        mWindow->getViewport(0)->setBackgroundColour(fadeColour);
        //mSceneMgr->setFog( FOG_LINEAR, fadeColour, .001, 500, 1000);
        
        // Create a skybox
        mSceneMgr->setSkyBox(true, "Examples/CloudyNoonSkyBox", 5000, true);
        
        
        //-- CEGUI setup
        setupGui();

        // Use 512x512 texture in GL since we can't go higher than the window res
        mSceneMgr->setShadowTextureSettings(512, 2);

        mSceneMgr->setShadowColour(ColourValue(0.5, 0.5, 0.5));
}
//-----------------------------------------------------------------------
void TestCullingIVApplication::setupGui()
{
         mGUIRenderer = new CEGUI::OgreCEGUIRenderer(mWindow, Ogre::RENDER_QUEUE_OVERLAY, 
                 false, 3000, ST_EXTERIOR_CLOSE);
     mGUISystem = new CEGUI::System(mGUIRenderer);

         // Mouse
     CEGUI::SchemeManager::getSingleton().loadScheme((CEGUI::utf8*)"TaharezLook.scheme");
     CEGUI::MouseCursor::getSingleton().setImage("TaharezLook", "MouseArrow");
         mGUISystem->setDefaultMouseCursor((CEGUI::utf8*)"TaharezLook", 
                                                                           (CEGUI::utf8*)"MouseArrow");

         CEGUI::MouseCursor::getSingleton().show();
}
//-----------------------------------------------------------------------
void TestCullingIVApplication::createFrameListener()
{
        mIVFrameListener = new IVFrameListener(mWindow, mCamera, mSceneMgr, 
                mGUIRenderer, mVizCamera, mCamNode, mSunLight, this);
        
        mRoot->addFrameListener(mIVFrameListener);
}
//-----------------------------------------------------------------------
void TestCullingIVApplication::chooseSceneManager()
{
        mSceneMgr = mRoot->getSceneManager(ST_GENERIC);
}



/**************************************************************/
/*      VisualizationRenderTargetListener implementation      */
/**************************************************************/

//-----------------------------------------------------------------------
VisualizationRenderTargetListener::VisualizationRenderTargetListener(SceneManager *sceneMgr)
:RenderTargetListener(), mSceneMgr(sceneMgr)
{
}
//-----------------------------------------------------------------------
void VisualizationRenderTargetListener::preViewportUpdate(const RenderTargetViewportEvent &evt)
{
        // visualization viewport
        const bool showViz = evt.source->getZOrder() == VIZ_VIEWPORT_Z_ORDER;
        const bool nShowViz = !showViz;

        mSavedShadowTechnique = mSceneMgr->getShadowTechnique();
        mSavedAmbientLight = mSceneMgr->getAmbientLight();

        // -- ambient light must be full for visualization, shadows disabled
    if (showViz)
        {
                mSceneMgr->setAmbientLight(ColourValue(1, 1, 1));
                mSceneMgr->setShadowTechnique(SHADOWTYPE_NONE);
        }
        
    mSceneMgr->setOption("PrepareVisualization", &showViz);
        mSceneMgr->setOption("SkyBoxEnabled", &nShowViz);
        //mSceneMgr->setOption("SkyPlaneEnabled", &showViz);
        
        RenderTargetListener::preViewportUpdate(evt);
}
//-----------------------------------------------------------------------
void VisualizationRenderTargetListener::postRenderTargetUpdate(const RenderTargetEvent &evt)
{
        // reset values
        mSceneMgr->setShadowTechnique(mSavedShadowTechnique);
        mSceneMgr->setAmbientLight(mSavedAmbientLight);
        
        RenderTargetListener::postRenderTargetUpdate(evt);
}
//-----------------------------------------------------------------------
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
{
    // Create application object
    TestCullingIVApplication app;

        try 
        {
        app.go();
    } 
        catch( Ogre::Exception& e ) 
        {
        MessageBox( NULL, e.getFullDescription().c_str(), 
                        "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
    }   

    return 0;
}