C++ OverlayContainer::_setDimensions方法代码示例

void GraphicsController::addTextureDebugOverlay(const Ogre::String& texname, size_t i)
{
    using namespace Ogre;
    Overlay* debugOverlay = OverlayManager::getSingleton().getByName("PRJZ/DebugOverlay");

	MaterialPtr debugMat = MaterialManager::getSingleton().getByName("PRJZ/BasicTexture", "PROJECT_ZOMBIE");
	if(debugMat.isNull())
		OGRE_EXCEPT(Ogre::Exception::ERR_INVALIDPARAMS, "PRJZ/BasicTexture material was not found.", "GraphicsController::addTextureDebugOverlay");
    debugMat->getTechnique(0)->getPass(0)->setLightingEnabled(false);
    TextureUnitState *t = debugMat->getTechnique(0)->getPass(0)->createTextureUnitState(texname);
    t->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);

    Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().getByName(texname);
    Ogre::Real tWidth = tex->getWidth();
    Ogre::Real tHeight = tex->getHeight();

    //ratio 
    Ogre::Real ratio = tHeight / tWidth;
    OverlayContainer* debugPanel = (OverlayContainer*)
        (OverlayManager::getSingleton().createOverlayElement("Panel", "Ogre/DebugTexPanel" + StringConverter::toString(i)));
    debugPanel->_setPosition(0.0, 0.0);
    debugPanel->_setDimensions(0.5f, 0.5f * ratio);
    debugPanel->setMaterialName(debugMat->getName());
    debugOverlay->add2D(debugPanel);
}

int ShadowManager::updateShadowTechnique()
{
    float scoef = 0.5;
    gEnv->sceneManager->setShadowColour(Ogre::ColourValue(0.563 + scoef, 0.578 + scoef, 0.625 + scoef));
    gEnv->sceneManager->setShowDebugShadows(false);

    RoR::App::GfxShadowType type = RoR::App::GetGfxShadowType();

    if (type == RoR::App::GFX_SHADOW_TYPE_TEXTURE)
    {
        gEnv->sceneManager->setShadowFarDistance(RoR::App::GetGfxSightRange());
        processTextureShadows();
    }
    else if (type == RoR::App::GFX_SHADOW_TYPE_PSSM)
    {
        processPSSM();
        if (gEnv->sceneManager->getShowDebugShadows())
        {
            // add the overlay elements to show the shadow maps:
            // init overlay elements
            OverlayManager& mgr = Ogre::OverlayManager::getSingleton();
            Overlay* overlay = mgr.create("DebugOverlay");

            for (int i = 0; i < PSSM_Shadows.ShadowsTextureNum; ++i)
            {
                TexturePtr tex = gEnv->sceneManager->getShadowTexture(i);

                // Set up a debug panel to display the shadow
                MaterialPtr debugMat = MaterialManager::getSingleton().create("Ogre/DebugTexture" + StringConverter::toString(i), ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
                debugMat->getTechnique(0)->getPass(0)->setLightingEnabled(false);
                TextureUnitState* t = debugMat->getTechnique(0)->getPass(0)->createTextureUnitState(tex->getName());
                t->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);

                OverlayContainer* debugPanel = (OverlayContainer*)(OverlayManager::getSingleton().createOverlayElement("Panel", "Ogre/DebugTexPanel" + StringConverter::toString(i)));
                debugPanel->_setPosition(0.8, i * 0.25);
                debugPanel->_setDimensions(0.2, 0.24);
                debugPanel->setMaterialName(debugMat->getName());
                debugPanel->setEnabled(true);
                overlay->add2D(debugPanel);
                overlay->show();
            }
        }
    }
    return 0;
}

//.........这里部分代码省略.........
		}
		
		mSceneMgr->setShadowTextureSelfShadow(bDepth ? true : false);  //-?
		mSceneMgr->setShadowCasterRenderBackFaces((bDepth && !bSoft) ? true : false);

		mSceneMgr->setShadowTextureCasterMaterial(bDepth ? "shadowcaster_default" : "");
	}

	mSceneMgr->setShadowColour(Ogre::ColourValue(0,0,0,1));


#if 0  /// TEST overlays
	//  add overlay elements to show shadow or terrain maps
	OverlayManager& mgr = OverlayManager::getSingleton();
	Overlay* overlay = mgr.getByName("DebugOverlay");
	if (overlay)
		mgr.destroy(overlay);
	overlay = mgr.create("DebugOverlay");
	TexturePtr tex;

	#if 0  /// shadow
	for (int i = 0; i < pSet->shadow_count; ++i)
	{	
		TexturePtr tex = mSceneMgr->getShadowTexture(i);
	#else  /// terrain
	for (int i = 0; i < 2/*pSet->shadow_count*/; ++i)
	{	
		TexturePtr tex = !terrain ? mSceneMgr->getShadowTexture(i) :
			i==0 ? terrain->getCompositeMap() : terrain->getLightmap();
	#endif
		// Set up a debug panel to display the shadow
		if (MaterialManager::getSingleton().resourceExists("Ogre/DebugTexture" + toStr(i)))
			MaterialManager::getSingleton().remove("Ogre/DebugTexture" + toStr(i));
		MaterialPtr debugMat = MaterialManager::getSingleton().create(
			"Ogre/DebugTexture" + toStr(i), rgDef);
			
		debugMat->getTechnique(0)->getPass(0)->setLightingEnabled(false);
		TextureUnitState *t = debugMat->getTechnique(0)->getPass(0)->createTextureUnitState(tex->getName());
		t->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);

		OverlayContainer* debugPanel;
		
		// destroy container if exists
		try
		{
			if (debugPanel = static_cast<OverlayContainer*>(mgr.getOverlayElement("Ogre/DebugTexPanel" + toStr(i))))
				mgr.destroyOverlayElement(debugPanel);
		}
		catch (Ogre::Exception&) {}
		
		debugPanel = (OverlayContainer*)
			(OverlayManager::getSingleton().createOverlayElement("Panel", "Ogre/DebugTexPanel" + StringConverter::toString(i)));
		debugPanel->_setPosition(0.8, i*0.31);  //aspect.. 0.25 0.24
		debugPanel->_setDimensions(0.2, 0.3);
		debugPanel->setMaterialName(debugMat->getName());
		debugPanel->show();
		overlay->add2D(debugPanel);
		overlay->show();
	}
#endif
	
	UpdPSSMMaterials();


	//  rebuild static geom after materials change
	if (vdrTrack)
	{
		vdrTrack->destroy();
		vdrTrack->build();
	}

	LogO(String("::: Time Shadows: ") + fToStr(ti.getMilliseconds(),0,3) + " ms");
}


/// . . . . . . . . 
void CScene::UpdPSSMMaterials()
{
	if (app->pSet->shadow_type == Sh_None)  return;
	
	if (app->pSet->shadow_count == 1)  // 1 tex
	{
		float dist = app->pSet->shadow_dist;
		sh::Vector3* splits = new sh::Vector3(dist, 0,0);  //dist*2, dist*3);
		sh::Factory::getInstance().setSharedParameter("pssmSplitPoints", sh::makeProperty<sh::Vector3>(splits));
		return;
	}
	
	if (!mPSSMSetup.get())  return;
	
	//--  pssm params
	PSSMShadowCameraSetup* pssmSetup = static_cast<PSSMShadowCameraSetup*>(mPSSMSetup.get());
	const PSSMShadowCameraSetup::SplitPointList& sp = pssmSetup->getSplitPoints();
	const int last = sp.size()-1;

	sh::Vector3* splits = new sh::Vector3(
		sp[std::min(1,last)], sp[std::min(2,last)], sp[std::min(3,last)] );

	sh::Factory::getInstance().setSharedParameter("pssmSplitPoints", sh::makeProperty<sh::Vector3>(splits));
}