source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/RenderingRuns/OgreSceneCameraDepthRenderingRun.cpp @ 1425

#include "OgreSceneCameraDepthRenderingRun.h"


OgreSceneCameraDepthRenderingRun::OgreSceneCameraDepthRenderingRun(OgreSharedRuns* sharedRuns,
                                                                                                                                        String name,
                                                                                                                                                Viewport* playerView
                                                                                                                   )
                                                                                                                   :SceneCameraDepthRenderingRun()
                                                                                                                   , OgreRenderingRun(1, 1)
                                                                                                                   , RenderingRun(1, 1)
{
        this->sharedRuns = sharedRuns;
        this->name = name;
        this->playerView = playerView;
        
        createDepthMap();       
}

void OgreSceneCameraDepthRenderingRun::createDepthMap()
{
        int width = playerView->getActualWidth();
        int height = playerView->getActualHeight();
        TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual(name, 
                                                                                                                                                "default",
                                                                                                                                                TEX_TYPE_2D,
                                                                                                                                                width,
                                                                                                                                                height,
                                                                                                                                                0,
                                                                                                                                                0,
                                                                                                                                                PF_FLOAT16_RGBA,
                                                                                                                                                TU_RENDERTARGET);
         depthTexture = texPtr.getPointer();
         playerCamera = playerView->getCamera();
         //add viewport to rendertarget
         HardwarePixelBuffer* hpb = (depthTexture->getBuffer()).getPointer();
         RenderTarget* rt = hpb->getRenderTarget();
         Viewport* v = rt->addViewport(playerCamera);
         v->setOverlaysEnabled(false);
         rt->setAutoUpdated(false);
}

void OgreSceneCameraDepthRenderingRun::updateFrame(unsigned long frameNum)
{
        
        setMaterialForVisibles(String("GameTools/SceneCameraDepthShader"), playerCamera, false, true);
        
        RenderTarget* rt = depthTexture->getBuffer().getPointer()->getRenderTarget();

        float farPlane = rt->getViewport(0)->getCamera()->getFarClipDistance();
        //ColourValue backColor(1,1,1,1);
        ColourValue backColor(0,0,0,0);
        //ColourValue backColor(farPlane,farPlane,farPlane,1);
        rt->getViewport(0)->setBackgroundColour(backColor);
        
        
        sharedRuns->getRoot()->hide();

        rt->update();   

        //rt->writeContentsToFile("cameraDepth.dds");
        
        restoreMaterials();

        sharedRuns->getRoot()->restoreVisibility();
}