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

	//--------------------------------------------------------------------------------
	void MaterialUtil::updateSelectedVersion(const MaterialPtr& _material)
	{
		String name = _material->getName();
		String selName = getSelectedVersionName(name);
		MaterialPtr material, selectedMaterial;
		if(selName == name)
		{
			name = getUnselectedVersionName(selName);
			selectedMaterial = _material;
			material = MaterialManager::getSingleton().getByName(name);
		}
		else
		{
			material = _material;
			selectedMaterial = MaterialManager::getSingleton().getByName(selName);
		}
		
		if(!material.isNull() && !selectedMaterial.isNull())
		{
			material->copyDetailsTo(selectedMaterial);
			Ogre::Technique* technique = selectedMaterial->getBestTechnique();
			Pass* pass0 = technique->getPass(0);
			Pass* passNew = technique->createPass();
			passNew->setDiffuse(1, 1, 1, 1);
			passNew->setPolygonMode(Ogre::PM_WIREFRAME);

			if(pass0->getNumTextureUnitStates() != 0)
			{
				Ogre::TextureUnitState* tu = pass0->getTextureUnitState(0);
				tu->setColourOperationEx(Ogre::LBX_MODULATE, 
					Ogre::LBS_TEXTURE, Ogre::LBS_MANUAL,
					ColourValue::White, ColourValue(1, 0.6f, 0.6f, 1));
			}
		}
	}

void OgreBtDebugDrawer::initialize(Ogre::SceneManager* const sceneManager,
		const bool drawTrajectory) {
	mDrawTrajectory = drawTrajectory;
	mContactPoints = &mContactPoints1;
	mLines = new Ogre::ManualObject("BulletPhysicsLines1");
	mLines2 = new Ogre::ManualObject("BulletPhysicsLines2");

	mTriangles = new Ogre::ManualObject("BulletPhysicsTriangles1");
	mTriangles2 = new Ogre::ManualObject("BulletPhysicsTriangles2");

	mLines->setDynamic(true);
	mLines2->setDynamic(true);
	mTriangles->setDynamic(true);
	mTriangles2->setDynamic(true);
	//mLines->estimateVertexCount( 100000 );
	//mLines->estimateIndexCount( 0 );

	sceneManager->getRootSceneNode()->attachObject(mLines);
	sceneManager->getRootSceneNode()->attachObject(mLines2);
	sceneManager->getRootSceneNode()->attachObject(mTriangles);
	sceneManager->getRootSceneNode()->attachObject(mTriangles2);

	static const char* matName = "OgreBulletCollisionsDebugDefault";
	Ogre::MaterialPtr mtl =
			Ogre::MaterialManager::getSingleton().getDefaultSettings()->clone(
					matName);
	mtl->setReceiveShadows(false);
	mtl->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
	mtl->setDepthBias(0.1, 0);
	Ogre::TextureUnitState * tu =
			mtl->getTechnique(0)->getPass(0)->createTextureUnitState();

	tu->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_DIFFUSE);
	mtl->getTechnique(0)->setLightingEnabled(false);
	//mtl->getTechnique(0)->setSelfIllumination( ColourValue::White );

	//for the ogre text
	Ogre::Root::getSingleton().addFrameListener(this);
	//TODO: Add 3D text writing capability to ogreBtdebugdrawer #133.
//	olm = Ogre::OverlayManager::getSingletonPtr();
//	panel = static_cast<Ogre::OverlayContainer*>(olm->createOverlayElement(
//			"Panel", "OGREBTDEBUGDRAWER_GUI"));
//	panel->setMetricsMode(Ogre::GMM_PIXELS);
//	panel->setPosition(0, 0);
//	panel->setDimensions(1.0f, 1.0f);
//	overlay = olm->create("OGREBTDEBUGDRAWER_OVERLAY");
//	overlay->add2D(panel);
//
//	szElement = "element_";
//	overlay = olm->getByName("OGREBTDEBUGDRAWER_OVERLAY");
//	panel = static_cast<Ogre::OverlayContainer*>(olm->getOverlayElement(
//			"OGREBTDEBUGDRAWER_GUI"));
//	textArea =
//			static_cast<Ogre::TextAreaOverlayElement*>(olm->createOverlayElement(
//					"TextArea", szElement));
//	panel->addChild(textArea);
//	overlay->show();

}

static void
SubEntity_tintColour(
    SubEntity* self,
    const String& groupName,
    const String& materialName,
    const Ogre::ColourValue& colour
) {
    Ogre::MaterialPtr baseMaterial = Ogre::MaterialManager::getSingleton().getByName(materialName);
    Ogre::MaterialPtr materialPtr = baseMaterial->clone(groupName);
    materialPtr->compile();
    Ogre::TextureUnitState* ptus = materialPtr->getTechnique(0)->getPass(0)->getTextureUnitState(0);
    ptus->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_TEXTURE, colour);
    self->setMaterial(materialPtr);
}

 void
 setupMaterial() {
     Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().getDefaultSettings()->clone(
         MATERIAL_NAME
     );
     material->setReceiveShadows(false);
     material->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
     material->setDepthBias(0.1, 0);
     Ogre::TextureUnitState* textureUnitState = material->getTechnique(0)->getPass(0)->createTextureUnitState();
     textureUnitState->setColourOperationEx(
         Ogre::LBX_SOURCE1,
         Ogre::LBS_DIFFUSE
     );
     material->getTechnique(0)->setLightingEnabled(false);
 }

Ogre::MaterialPtr OgrePlanarReflectionMaterial::createMaterial(const Ogre::TexturePtr& texture, const Ogre::Camera& projectionCamera)
{
    using namespace::Ogre;

    Ogre::MaterialPtr matPtr = MaterialManager::getSingleton().create(this->getName(),"General");
    Ogre::TextureUnitState* t;
    if(! textureFilename.getValue().empty() )
    {
        t = matPtr->getTechnique(0)->getPass(0)->createTextureUnitState(textureFilename.getValue());
    }
    t = matPtr->getTechnique(0)->getPass(0)->createTextureUnitState(texture->getName() );
    t->setColourOperationEx(Ogre::LBX_BLEND_MANUAL, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT,
            Ogre::ColourValue::White, Ogre::ColourValue::White,
            blendingFactor.getValue());
    t->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
    t->setProjectiveTexturing(true,&projectionCamera);

    matPtr->compile();
    return matPtr;
}

//.........这里部分代码省略.........
//     textureUnitState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP);
// /*	textureUnitState->setTextureCoordSet(0);*/
// 	textureUnitState->setTextureScale(0.025, 0.025);
// 	textureUnitState->setColourOperationEx(Ogre::LBX_BLEND_CURRENT_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT);
//
// /*	Ogre::TextureUnitState * alphaTextureState= pass->createTextureUnitState();
//     alphaTextureState->setTextureName(mTextureName);
// //     alphaTextureState->setTextureName(splatTextureName);
//     alphaTextureState->setTextureCoordSet(0);
// 	alphaTextureState->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
//     alphaTextureState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
//  	alphaTextureState->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA, Ogre::LBS_CURRENT, Ogre::LBS_TEXTURE);
//
//
//
// // 	detailTextureState->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE);
// // 	detailTextureState->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT);
//
// 	Ogre::TextureUnitState * detailTextureState  = pass->createTextureUnitState();
//     detailTextureState ->setTextureName(splatTextureName);
// //     detailTextureState ->setTextureName(mTextureName);
//     detailTextureState ->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP);
// 	detailTextureState ->setTextureCoordSet(0);
// 	detailTextureState ->setTextureScale(0.01, 0.01);
// 	//detailTextureState ->setColourOperationEx(Ogre::LBX_BLEND_CURRENT_ALPHA, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT);*/
//
// }
//
Ogre::Pass* Simple::addPassToTechnique(const TerrainPageGeometry& geometry, Ogre::Technique* technique, const Layer& layer, std::set<std::string>& managedTextures) const
{
	//check if we instead can reuse the existing pass
	// 	if (technique->getNumPasses() != 0) {
	// 		Ogre::Pass* pass = technique->getPass(technique->getNumPasses() - 1);
	// 		if (4 - pass->getNumTextureUnitStates() >= 2) {
	// 			//there's more than two texture units available, use those instead of creating a new pass
	// 			S_LOG_VERBOSE("Reusing existing pass. ("<< pass->getNumTextureUnitStates() << " of "<< mNumberOfTextureUnitsOnCard << " texture unit used)");
	// 			addTextureUnitsToPass(pass, splatTextureName);
	// 			return pass;
	// 		}
	//
	// 	}

	const OgreImage& ogreImage = *layer.blendMap;
	Ogre::Image image;

	image.loadDynamicImage(const_cast<unsigned char*>(ogreImage.getData()), ogreImage.getResolution(), ogreImage.getResolution(), 1, Ogre::PF_A8);

	std::stringstream splatTextureNameSS;
	splatTextureNameSS << "terrain_" << mPage.getWFPosition().x() << "_" << mPage.getWFPosition().y() << "_" << technique->getNumPasses();
	const Ogre::String splatTextureName(splatTextureNameSS.str());
	Ogre::TexturePtr blendMapTexture;
	if (Ogre::Root::getSingletonPtr()->getTextureManager()->resourceExists(splatTextureName)) {
		blendMapTexture = static_cast<Ogre::TexturePtr>(Ogre::Root::getSingletonPtr()->getTextureManager()->getByName(splatTextureName));
		blendMapTexture->loadImage(image);

		Ogre::HardwarePixelBufferSharedPtr hardwareBuffer(blendMapTexture->getBuffer());
		//blit the whole image to the hardware buffer
		Ogre::PixelBox sourceBox(image.getPixelBox());
		hardwareBuffer->blitFromMemory(sourceBox);
	} else {
		blendMapTexture = Ogre::Root::getSingletonPtr()->getTextureManager()->loadImage(splatTextureName, "General", image, Ogre::TEX_TYPE_2D, 0);
		managedTextures.insert(blendMapTexture->getName());
	}

	//we need to create the image, update it and then destroy it again (to keep the memory usage down)
	//	if (layer->getBlendMapTextureName() == "") {
	//		//no texture yet; let's create one
	//		layer->createBlendMapImage();
	//		layer->updateBlendMapImage(geometry);
	//		layer->createTexture();
	//	} else {
	//		//a texture exists, so we just need to update the image
	//		layer->updateBlendMapImage(geometry); //calling this will also update the texture since the method will blit the image onto it
	//	}

	Ogre::Pass* pass = technique->createPass();

	pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
	pass->setAmbient(1, 1, 1);
	pass->setDiffuse(1, 1, 1, 1);
	pass->setLightingEnabled(false);

	Ogre::TextureUnitState * textureUnitState = pass->createTextureUnitState();
	textureUnitState->setTextureName(layer.surfaceLayer.getDiffuseTextureName());
	textureUnitState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_WRAP);
	textureUnitState->setTextureCoordSet(0);
	textureUnitState->setTextureScale(1.0f / layer.surfaceLayer.getScale(), 1.0f / layer.surfaceLayer.getScale());

	Ogre::TextureUnitState * textureUnitStateSplat = pass->createTextureUnitState();
	textureUnitStateSplat->setTextureName(blendMapTexture->getName());

	textureUnitStateSplat->setTextureCoordSet(0);
	textureUnitStateSplat->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
	textureUnitStateSplat->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
	//	textureUnitStateSplat->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_TEXTURE, Ogre::LBS_TEXTURE);
	textureUnitStateSplat->setAlphaOperation(Ogre::LBX_BLEND_DIFFUSE_COLOUR, Ogre::LBS_TEXTURE, Ogre::LBS_CURRENT);
	textureUnitStateSplat->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_CURRENT, Ogre::LBS_CURRENT);
	return pass;

}

//.........这里部分代码省略.........

#ifdef OGREKIT_USE_RTSHADER_SYSTEM
		if (gte.m_mode & gkTextureProperties::TM_NORMAL)
		{
			hasNormap = true;
			continue;
		}
#endif
		Ogre::TextureUnitState* otus = pass->createTextureUnitState(gte.m_name, gte.m_layer);

		LayerBlendOperationEx op = LBX_MODULATE;

		switch (gte.m_blend)
		{
		case GK_BT_ADDITIVE:
			op = LBX_ADD;
			break;

		case GK_BT_SUBTRACT:			
			op = LBX_SUBTRACT;
			break;

		case GK_BT_DARKEN:	
		case GK_BT_LIGHTEN:	
		case GK_BT_SCREEN:
		case GK_BT_COLOR:
			//break; TODO: support more mode

		case GK_BT_MULTIPLY:
		case GK_BT_MIXTURE:
		default:
			op = LBX_MODULATE;
			break;
		}

		if (i == 0)
			otus->setColourOperationEx(op, LBS_DIFFUSE, LBS_TEXTURE);		
		else
			otus->setColourOperationEx(op);

		otus->setTextureScale(gte.m_scale[0],gte.m_scale[1]);
	}



	if (gma.m_mode & gkMaterialProperties::MA_ALPHABLEND)
	{
		pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
		pass->setDepthWriteEnabled(false);
	}

	if (gma.m_mode & gkMaterialProperties::MA_ALPHACLIP)
	{
		pass->setAlphaRejectSettings(Ogre::CMPF_GREATER_EQUAL, 254);
	}

#ifdef OGREKIT_USE_RTSHADER_SYSTEM
	
	if (rtss)
	{
		//pass->setSpecular(ColourValue::Black);
		//pass->setShininess(0.0);

		RTShader::RenderState* rs = 0;
		RTShader::ShaderGenerator* sg = Ogre::RTShader::ShaderGenerator::getSingletonPtr();
		bool ok = sg->createShaderBasedTechnique(gma.m_name, group, 
			Ogre::MaterialManager::DEFAULT_SCHEME_NAME, Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME);

		if (ok && hasNormap)
		{
			rs = sg->getRenderState(RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, gma.m_name, 0);
			rs->reset();

			for (int i = 0; i < gma.m_totaltex; ++i)
			{
				gkTextureProperties& gte = gma.m_textures[i];

				if (gte.m_mode & gkTextureProperties::TM_NORMAL)
				{
					GK_ASSERT(rs);

					RTShader::SubRenderState* srs= sg->createSubRenderState(RTShader::NormalMapLighting::Type);
				
					RTShader::NormalMapLighting* nsrs = static_cast<RTShader::NormalMapLighting*>(srs);
					if (gte.m_texmode & gkTextureProperties::TX_OBJ_SPACE)
						nsrs->setNormalMapSpace(RTShader::NormalMapLighting::NMS_OBJECT);
					else
						nsrs->setNormalMapSpace(RTShader::NormalMapLighting::NMS_TANGENT);
					nsrs->setNormalMapTextureName(gte.m_name);
					nsrs->setTexCoordIndex(gte.m_layer);

					rs->addTemplateSubRenderState(srs);
				}
			}

			sg->invalidateMaterial(RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, gma.m_name);
		}
	}
#endif
}

// 设置选中的外观颜色.
void CEditDobject_NT::SetSelectLook(Ogre::ColourValue color)
{

	if(0 == m_materialSelVector.size())
	{
		// 选中材质的名字.
		Ogre::String strCloneName;
		int iCount = m_EntityList.size();
		Ogre::Entity* pEntity = NULL;

		for(int i = 0; i < iCount; i++)
		{
			pEntity = m_EntityList[i].pEntity;
			if(pEntity)
			{
				Ogre::SubEntity* pSubEntiy = pEntity->getSubEntity(0);
				if(pSubEntiy)
				{
					
					Ogre::MaterialPtr pMaterial = pSubEntiy->getMaterial();
					
					if(pMaterial.isNull())
					{
						return;
					}//

					const Ogre::String& strName = pMaterial->getName();

					if("BaseWhite" == strName)
					{
						continue;
					}

					strCloneName = strName;
					strCloneName += "_select";
					
					Ogre::MaterialManager* pMaterialManager = (Ogre::MaterialManager*)(pMaterial->getCreator());

					if(NULL == pMaterialManager)
					{
						return;
					}

					Ogre::MaterialPtr pMaterialClone = pMaterialManager->getByName(strCloneName); 
						
					if(pMaterialClone.isNull())
					{
						pMaterialClone = pMaterial->clone(strCloneName);
					}
					//if(!pMaterialClone)
					//{
					//	return;
					//}//

					Ogre::Technique* pTechnique = pMaterialClone->getBestTechnique();
					Ogre::Pass* pPass = pTechnique->getPass(0);

					//pPass->setSceneBlending(SBT_ADD);
					//pPass->setSceneBlending(SBF_SOURCE_ALPHA , SBF_ONE_MINUS_SOURCE_ALPHA );
					//pTextureState->setAlphaOperation(LBX_MODULATE, LBS_TEXTURE, LBS_MANUAL, 1, Transparence, 1);//
				
					Ogre::TextureUnitState* pTextureState = pPass->getTextureUnitState(0);
					pTextureState->setColourOperationEx(Ogre::LBX_ADD , Ogre::LBS_TEXTURE , Ogre::LBS_MANUAL, color, color );
					pSubEntiy->setMaterialName(strCloneName);
					m_materialSelVector.push_back(pMaterialClone);
					m_materilaOldVector.push_back(pMaterial);
					
				}

			}
		}
	}
	else
	{
		int iIndex = 0;

		int iCount = m_EntityList.size();
		Ogre::Entity* pEntity = NULL;

		for(int i = 0; i < iCount; i++)
		{
			pEntity = m_EntityList[i].pEntity;
			if(pEntity)
			{
				Ogre::SubEntity* pSubEntiy = pEntity->getSubEntity(0);
				
				if(pSubEntiy)
				{
					if(iIndex >= (int)m_materialSelVector.size())
					{
						continue;
					}

					std::string strMaterialName = m_materialSelVector[iIndex]->getName();
					pSubEntiy->setMaterialName(strMaterialName);	
					iIndex++;
				}

			}
//.........这里部分代码省略.........

bool LagomPlayerBase::Update(float time_elapsed)
{
	_health += getIntFactory().HealthRegeneration*time_elapsed/1000.0f;
	if(_health >= getIntFactory().Health)
		_health = getIntFactory().Health;
	
	_factoryHighlightRemaining -= time_elapsed;
	if(_factoryHighlightRemaining < 0.0f)
		_factoryHighlightRemaining = 0.0f;

	float newCooldown = _buildCooldown - time_elapsed;
	if( (newCooldown > 0.0f) != (_buildCooldown > 0.0f))
		_factoryHighlightRemaining = getIntFactory().ConstructionHighlightTime;
	_buildCooldown = newCooldown;

	Ogre::ColourValue playerColor = Lagom::getSingleton().GetPlayerColor();

	Ogre::ColourValue staticColor = playerColor*.05f + Ogre::ColourValue(.1,.1,.1,.0f);
	Ogre::ColourValue pulseColor = playerColor * _state.GetPulsePower();

	_materialInstance->setCustomParameter(0,Ogre::Vector4(staticColor.r,staticColor.g,staticColor.b,.0f));
	_materialInstance->setCustomParameter(1,Ogre::Vector4(pulseColor.r,pulseColor.g,pulseColor.b,_state.GetPulseTime()));
	
	if(	_selectedActorFactory !=_actorFactories.end() && _selectedActorFactory->second != _constructionObject)
	{
		if(_constructionObject)
			_sceneNode->removeChild(_constructionObject);
		_constructionObject=_selectedActorFactory->second;
		_constructionObject->setPosition(getIntFactory().ConstructionOffset);
		if(_constructionObject)
			_sceneNode->addChild(_constructionObject);
	}

	if(_constructionObject)
	{
		Ogre::ColourValue constructionColour(0.0f,0.0f,0.0f,0.0f);
		float constructionAlpha = 1.0f;

		if(_draggingConstruction)
		{
			if(checkConstructionRestriction(_selectedActorFactory->first,_currentDragLocation))
				constructionColour=playerColor;
			else
				constructionColour=Ogre::ColourValue::Black;
		}
		else if(_buildCooldown <= 0.0f)
		{
			if(_hoverConstructing)
				constructionColour = Ogre::ColourValue::White;
			else if(_factoryHighlightRemaining>= 0.0f)
			{
				float highlight = _factoryHighlightRemaining / getIntFactory().ConstructionHighlightTime;
				float rev_h = 1.0f - highlight;
				constructionColour = Ogre::ColourValue(playerColor.r*rev_h + highlight,playerColor.g*rev_h + highlight,playerColor.b*rev_h + highlight,1.0f);
			}
			else
				constructionColour=playerColor;
		}
		else
		{
			constructionAlpha = std::max(std::min(1.0f - _buildCooldown / _buildCooldownMax,1.0f),0.0f);
			constructionAlpha *= getIntFactory().ConstructionAlphaFactor;
		}

		Ogre::MaterialPtr materialPtr = Ogre::MaterialManager::getSingleton().getByName(getIntFactory().ConstructingMaterial);

		Ogre::TextureUnitState* ptus = materialPtr->getTechnique(0)->getPass(0)->getTextureUnitState(0); //1st pass, first texture unit
		Ogre::TextureUnitState* ptus2 = materialPtr->getTechnique(0)->getPass(1)->getTextureUnitState(0); //2nd pass, first texture unit
		ptus->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_MANUAL, Ogre::LBS_TEXTURE, constructionColour);
		ptus->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_MANUAL, Ogre::LBS_TEXTURE, .25f * constructionAlpha);
		ptus2->setColourOperationEx(Ogre::LBX_SOURCE1, Ogre::LBS_MANUAL, Ogre::LBS_TEXTURE, constructionColour);
		ptus2->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_MANUAL, Ogre::LBS_TEXTURE, .25f* constructionAlpha);

		if(!_draggingConstruction)
		{
			float rotation_speed = time_elapsed / 500.0f;
			Ogre::Quaternion rot1;
			rot1.FromAngleAxis(Ogre::Radian(rotation_speed), Ogre::Vector3( 0.0f , 1.0f, 0.0f).normalisedCopy() );
			_constructionObject->rotate( rot1);
		}
		else
		{
			_constructionObject->setOrientation(1.0f,0.0f,0.0f,0.0f);
			static_cast<Ogre::Entity*>(_constructionObject->getAttachedObject(0))->setMaterialName(getIntFactory().ConstructingMaterial);
		}

			
	}

	_energy = 1000.0f;

	if(_health <= 0.0f)
		return false;

	return true;
}

    Ogre::MaterialPtr MaterialGenerator::create(bool renderCompositeMap, bool displayCompositeMap)
    {
        assert(!renderCompositeMap || !displayCompositeMap);

        static int count = 0;
        std::stringstream name;
        name << "terrain/mat" << count++;

        if (!mShaders)
        {
            Ogre::MaterialPtr mat = Ogre::MaterialManager::getSingleton().create(name.str(),
                                                               Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
            Ogre::Technique* technique = mat->getTechnique(0);
            technique->removeAllPasses();

            if (displayCompositeMap)
            {
                Ogre::Pass* pass = technique->createPass();
                pass->setVertexColourTracking(Ogre::TVC_AMBIENT|Ogre::TVC_DIFFUSE);
                pass->createTextureUnitState(mCompositeMap)->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
            }
            else
            {
                assert(mLayerList.size() == mBlendmapList.size()+1);
                std::vector<Ogre::TexturePtr>::iterator blend = mBlendmapList.begin();
                for (std::vector<LayerInfo>::iterator layer = mLayerList.begin(); layer != mLayerList.end(); ++layer)
                {
                    Ogre::Pass* pass = technique->createPass();
                    pass->setLightingEnabled(false);
                    pass->setVertexColourTracking(Ogre::TVC_NONE);
                    // TODO: How to handle fog?
                    pass->setFog(true, Ogre::FOG_NONE);

                    bool first = (layer == mLayerList.begin());

                    Ogre::TextureUnitState* tus;

                    if (!first)
                    {
                        pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
                        pass->setDepthFunction(Ogre::CMPF_EQUAL);

                        tus = pass->createTextureUnitState((*blend)->getName());
                        tus->setAlphaOperation(Ogre::LBX_BLEND_TEXTURE_ALPHA,
                                               Ogre::LBS_TEXTURE,
                                               Ogre::LBS_TEXTURE);
                        tus->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA,
                                                  Ogre::LBS_TEXTURE,
                                                  Ogre::LBS_TEXTURE);
                        tus->setIsAlpha(true);
                        tus->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);

                        float scale = (16/(16.f+1.f));
                        tus->setTextureScale(1.f/scale,1.f/scale);
                    }

                    // Add the actual layer texture on top of the alpha map.
                    tus = pass->createTextureUnitState(layer->mDiffuseMap);
                    if (!first)
                        tus->setColourOperationEx(Ogre::LBX_BLEND_DIFFUSE_ALPHA,
                                                  Ogre::LBS_TEXTURE,
                                                  Ogre::LBS_CURRENT);

                    tus->setTextureScale(1/16.f,1/16.f);

                    if (!first)
                        ++blend;
                }

                if (!renderCompositeMap)
                {
                    Ogre::Pass* lightingPass = technique->createPass();
                    lightingPass->setSceneBlending(Ogre::SBT_MODULATE);
                    lightingPass->setVertexColourTracking(Ogre::TVC_AMBIENT|Ogre::TVC_DIFFUSE);
                    lightingPass->setFog(true, Ogre::FOG_NONE);
                }
            }

            return mat;
        }
#if TERRAIN_USE_SHADER
        else
        {
            sh::MaterialInstance* material = sh::Factory::getInstance().createMaterialInstance (name.str());
            material->setProperty ("allow_fixed_function", sh::makeProperty<sh::BooleanValue>(new sh::BooleanValue(false)));

            if (displayCompositeMap)
            {
                sh::MaterialInstancePass* p = material->createPass ();

                p->setProperty ("vertex_program", sh::makeProperty<sh::StringValue>(new sh::StringValue("terrain_vertex")));
                p->setProperty ("fragment_program", sh::makeProperty<sh::StringValue>(new sh::StringValue("terrain_fragment")));
                p->mShaderProperties.setProperty ("is_first_pass", sh::makeProperty(new sh::BooleanValue(true)));
                p->mShaderProperties.setProperty ("render_composite_map", sh::makeProperty(new sh::BooleanValue(false)));
                p->mShaderProperties.setProperty ("display_composite_map", sh::makeProperty(new sh::BooleanValue(true)));
                p->mShaderProperties.setProperty ("num_layers", sh::makeProperty (new sh::StringValue("0")));
                p->mShaderProperties.setProperty ("num_blendmaps", sh::makeProperty (new sh::StringValue("0")));
                p->mShaderProperties.setProperty ("normal_map_enabled", sh::makeProperty (new sh::BooleanValue(false)));
                p->mShaderProperties.setProperty ("parallax_enabled", sh::makeProperty (new sh::BooleanValue(false)));
                p->mShaderProperties.setProperty ("normal_maps",
//.........这里部分代码省略.........