C++ TextureUnitState::getTextureName方法代码示例

	// 替换指定纹理层的纹理
	bool TerrainImpl::setPaintTexutreName(size_t nPaintChannel , const String &strTextureName)
	{
		Technique *pTech = mMaterial->getTechnique(0);
		Pass *pass = pTech->getPass(nPaintChannel / SPLATTING_TEXTURE_NUM);
		if(pass)
		{
			TextureUnitState *texture = pass->getTextureUnitState(COVERAGE_TEXTURE_NUM + (nPaintChannel % SPLATTING_TEXTURE_NUM));
			if(texture)
			{
				texture->setTextureName(strTextureName);
				return texture->getTextureName() == strTextureName && !texture->_getTexturePtr().isNull() && texture->_getTexturePtr()->isLoaded();
			}
		}
		return false;
	}

	void DepthComposerInstance::notifyMaterialSetup(uint pass_id, Ogre::MaterialPtr &mat)
	{
        //LogManager::getSingleton ().logMessage (
        //            "Caelum::DepthComposer: Material setup");

        Pass* pass = mat->getBestTechnique ()->getPass (0);

        TextureUnitState *depthTus = pass->getTextureUnitState(1);
        if (depthTus->getTextureName () != mDepthRenderer->getDepthRenderTexture ()->getName()) {
            depthTus->setTextureName (mDepthRenderer->getDepthRenderTexture ()->getName ());
            LogManager::getSingleton ().logMessage (
                        "Caelum::DepthComposer: Assigned depth texture in compositor material");
        }

        mParams.setup(pass->getFragmentProgramParameters ());
	}

void MeshObject::loadMesh()
{
    try
    {
        Ogre::String resourceGroup = Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME;
        mesh = static_cast<Ogre::MeshPtr>(Ogre::MeshManager::getSingleton().create(meshName, resourceGroup));
        if(backgroundLoading)
        {
            mesh->setBackgroundLoaded(true);
            mesh->addListener(this);
            ticket = Ogre::ResourceBackgroundQueue::getSingleton().load(
                         Ogre::MeshManager::getSingletonPtr()->getResourceType(),
                         mesh->getName(),
                         resourceGroup,
                         false,
                         0,
                         0,
                         0);

            // try to load its textures in the background
            for(int i=0; i<mesh->getNumSubMeshes(); i++)
            {
                SubMesh *sm = mesh->getSubMesh(i);
                String materialName = sm->getMaterialName();
                Ogre::MaterialPtr mat = static_cast<Ogre::MaterialPtr>(Ogre::MaterialManager::getSingleton().getByName(materialName)); //, resourceGroup));
                if(mat.isNull()) continue;
                for(int tn=0; tn<mat->getNumTechniques(); tn++)
                {
                    Technique *t = mat->getTechnique(tn);
                    for(int pn=0; pn<t->getNumPasses(); pn++)
                    {
                        Pass *p = t->getPass(pn);
                        for(int tun=0; tun<p->getNumTextureUnitStates(); tun++)
                        {
                            TextureUnitState *tu = p->getTextureUnitState(tun);
                            String textureName = tu->getTextureName();
                            // now add this texture to the background loading queue
                            Ogre::TexturePtr tex = static_cast<Ogre::TexturePtr>(Ogre::TextureManager::getSingleton().create(textureName, resourceGroup));
                            tex->setBackgroundLoaded(true);
                            tex->addListener(this);
                            ticket = Ogre::ResourceBackgroundQueue::getSingleton().load(
                                         Ogre::TextureManager::getSingletonPtr()->getResourceType(),
                                         tex->getName(),
                                         resourceGroup,
                                         false,
                                         0,
                                         0,
                                         0);

                        }
                    }

                }
            }
        }

        if(!backgroundLoading)
            postProcess();
    }
    catch (Ogre::Exception* e)
    {
        LOG("exception while loading mesh: " + e->getFullDescription());
    }

}

void CarReflection::Create()
{
	bFirstFrame = true;
	if (pSet->refl_mode == "single")  cubetexName = "ReflectionCube"; // single: use 1st cubemap
	else if (pSet->refl_mode == "full")
	{
		cubetexName = "ReflectionCube" + toStr(iIndex);
		// first cubemap: no index
		if (cubetexName == "ReflectionCube0")
			cubetexName = "ReflectionCube";
	}
	else /* static */
		cubetexName = "ReflectionCube";
	
	TextureManager* tm = TextureManager::getSingletonPtr();
	int size = ciShadowSizesA[pSet->refl_size];  // /2 ?

	//  create cube render texture
	if (! (pSet->refl_mode == "single" && iIndex != 0) )
	{
		cubetex = tm->createManual(cubetexName, 
			ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, TEX_TYPE_CUBE_MAP, 
			size,size, 0/*mips*/, PF_R8G8B8, TU_RENDERTARGET);
			//LogO("created rt cube");

		for (int face = 0; face < 6; face++)
		{
			Camera* mCam = pSceneMgr->createCamera("Reflect_" + toStr(iIndex) + "_" + toStr(face));
			mCam->setAspectRatio(1.0f);  mCam->setFOVy(Degree(90));
			mCam->setNearClipDistance(0.1);
			//mCam->setFarClipDistance(pSet->refl_dist);  //sky-

			RenderTarget* mRT = cubetex->getBuffer(face)->getRenderTarget();
			//LogO( "rt face Name: " + mRT->getName() );
			mRT->removeAllViewports();
			Viewport* vp = mRT->addViewport(mCam);
			vp->setOverlaysEnabled(false);
			vp->setVisibilityMask(RV_MaskReflect);
			mRT->setAutoUpdated(false);
			//mRT->addListener(this);  //-
			mCam->setPosition(Vector3::ZERO);

			Vector3 lookAt(0,0,0), up(0,0,0), right(0,0,0);  switch(face)
			{
				case 0:  lookAt.x =-1;  up.y = 1;  right.z = 1;  break;  // +X
				case 1:  lookAt.x = 1;  up.y = 1;  right.z =-1;  break;	 // -X
				case 2:  lookAt.y =-1;  up.z = 1;  right.x = 1;  break;	 // +Y
				case 3:  lookAt.y = 1;  up.z =-1;  right.x = 1;  break;	 // -Y
				case 4:  lookAt.z = 1;  up.y = 1;  right.x =-1;  break;	 // +Z
				case 5:  lookAt.z =-1;  up.y = 1;  right.x =-1;  break;	 // -Z
			}
			Quaternion orient( right, up, lookAt );  mCam->setOrientation( orient );
			pCams[face] = mCam;
			pRTs[face] = mRT;
		}
	}
	
	// Iterate through our materials and add an index to ReflectionCube texture reference
	for (int i=0; i < NumMaterials; i++)
	{
		MaterialPtr mtr = MaterialManager::getSingleton().getByName(sMtr[i]);
		if (!mtr.isNull())
		{	Material::TechniqueIterator techIt = mtr->getTechniqueIterator();
			while (techIt.hasMoreElements())
			{	Technique* tech = techIt.getNext();
				Technique::PassIterator passIt = tech->getPassIterator();
				while (passIt.hasMoreElements())
				{	Pass* pass = passIt.getNext();
					Pass::TextureUnitStateIterator tusIt = pass->getTextureUnitStateIterator();
					while (tusIt.hasMoreElements())
					{	
						TextureUnitState* tus = tusIt.getNext();
						if (tus->getTextureName() == "ReflectionCube")
							tus->setTextureName(cubetexName);
	}	}	}	}	}
}