C++ ogre::SubEntity类代码示例

ActivatorAnimation::ActivatorAnimation(const MWWorld::Ptr &ptr)
  : Animation(ptr)
{
    MWWorld::LiveCellRef<ESM::Activator> *ref = mPtr.get<ESM::Activator>();

    assert (ref->mBase != NULL);
    if(!ref->mBase->mModel.empty())
    {
        std::string mesh = "meshes\\" + ref->mBase->mModel;

        createEntityList(mPtr.getRefData().getBaseNode(), mesh);
        for(size_t i = 0;i < mEntityList.mEntities.size();i++)
        {
            Ogre::Entity *ent = mEntityList.mEntities[i];

            for(unsigned int j=0; j < ent->getNumSubEntities(); ++j)
            {
                Ogre::SubEntity* subEnt = ent->getSubEntity(j);
                subEnt->setRenderQueueGroup(subEnt->getMaterial()->isTransparent() ? RQG_Alpha : RQG_Main);
            }

            ent->setVisibilityFlags(RV_Misc);
        }
        setAnimationSource(mesh);
    }
}

// 设置正常的外观颜色.
void CEditDobject_NT::SetUnSelLook()
{
	if(0 == m_materilaOldVector.size())
	{
		return;
	}

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

	int iIndex = 0;

	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_materilaOldVector.size())
				{
					continue;
				}
			
				std::string strMaterialName = m_materilaOldVector[iIndex]->getName();
				pSubEntiy->setMaterialName(strMaterialName);
				iIndex++;
				
			}

		}
	}

}

NifOgre::EntityList NpcAnimation::insertBoundedPart(const std::string &mesh, int group, const std::string &bonename)
{
    NifOgre::EntityList entities = NifOgre::Loader::createEntities(mEntityList.mSkelBase, bonename,
                                                                   mInsert, mesh);
    std::vector<Ogre::Entity*> &parts = entities.mEntities;
    for(size_t i = 0;i < parts.size();i++)
    {
        parts[i]->getUserObjectBindings().setUserAny(Ogre::Any(group));
        if (mVisibilityFlags != 0)
            parts[i]->setVisibilityFlags(mVisibilityFlags);

        for(unsigned int j=0; j < parts[i]->getNumSubEntities(); ++j)
        {
            Ogre::SubEntity* subEnt = parts[i]->getSubEntity(j);
            subEnt->setRenderQueueGroup(subEnt->getMaterial()->isTransparent() ? RQG_Alpha : RQG_Main);
        }
    }
    if(entities.mSkelBase)
    {
        Ogre::AnimationStateSet *aset = entities.mSkelBase->getAllAnimationStates();
        Ogre::AnimationStateIterator asiter = aset->getAnimationStateIterator();
        while(asiter.hasMoreElements())
        {
            Ogre::AnimationState *state = asiter.getNext();
            state->setEnabled(false);
            state->setLoop(false);
        }
        Ogre::SkeletonInstance *skelinst = entities.mSkelBase->getSkeleton();
        Ogre::Skeleton::BoneIterator boneiter = skelinst->getBoneIterator();
        while(boneiter.hasMoreElements())
            boneiter.getNext()->setManuallyControlled(true);
    }
    return entities;
}

// 设置模型的透明度
// 0 -- 完全透明。
// 1 -- 不透明。
void CEditDobject_NT::SetTransparence(float Transparence)
{
	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 material1 = pSubEntiy->getMaterial();
				Ogre::Technique* t1 = material1->getBestTechnique();
				Ogre::Pass* p1 = t1->getPass(0);

				p1->setSceneBlending(Ogre::SBT_ADD  );
				p1->setSceneBlending(Ogre::SBF_SOURCE_ALPHA , Ogre::SBF_ONE_MINUS_SOURCE_ALPHA );
				Ogre::TextureUnitState* pTextureState = p1->getTextureUnitState(0);
				pTextureState->setAlphaOperation(Ogre::LBX_MODULATE, Ogre::LBS_TEXTURE, Ogre::LBS_MANUAL, 1, Transparence, 1);
				 
				//Ogre::ColourValue color(1,0.0,0.0,0.1) ;
				//pTextureState->setColourOperationEx(LBX_ADD , LBS_TEXTURE , LBS_MANUAL, color, color );
				
			 }

		}
	}
}

void RigidObject::setSegmentIndex(int segment_ind) {
  segment_ind_ = segment_ind;

  Ogre::SubEntity *pSub = entity_->getSubEntity(0);
  // mark segment index for vertex shader
  pSub->setCustomParameter(1, Ogre::Vector4(segment_ind_, 0, 0, 0));
}

void ShapeBase::extractMaterials( Ogre::Entity *entity, S_MaterialPtr &materials )
{
  uint32_t num_sub_entities = entity->getNumSubEntities();
  for (uint32_t i = 0; i < num_sub_entities; ++i)
  {
    Ogre::SubEntity* sub = entity->getSubEntity(i);
    Ogre::MaterialPtr material = sub->getMaterial();
    materials.insert( material );
  }
}

    void operator()(Ogre::Entity *entity) const
    {
        if(mVisFlags != 0)
            entity->setVisibilityFlags(mVisFlags);
        entity->setRenderingDistance(mDist);

        unsigned int numsubs = entity->getNumSubEntities();
        for(unsigned int i = 0;i < numsubs;++i)
        {
            Ogre::SubEntity* subEnt = entity->getSubEntity(i);
            sh::Factory::getInstance()._ensureMaterial(subEnt->getMaterial()->getName(), "Default");
            subEnt->setRenderQueueGroup(subEnt->getMaterial()->isTransparent() ? mTransQueue : mSolidQueue);
        }
    }

void ResourceGroupReloader::UpdateMaterialRenderableVisitor::visit(
	Ogre::Renderable *rend, Ogre::ushort lodIndex, bool isDebug, Ogre::Any *pAny)
{
	const Ogre::MaterialPtr mat = rend->getMaterial();
	if(!mat.isNull())
	{
		std::string newMatName = mat->getName();
		Ogre::MaterialPtr newMat = Ogre::MaterialManager::getSingleton().getByName(newMatName);
		if(newMat.isNull())
		{
			// this can happen if there was error during the reloading of the material.
			// in that case, we keep the ancient one.
			// Ice::Log::Instance().LogMessage(newMatName+" : new material is null!");
			return;
		}

		// unfortunately, the renderable gives access only to a const MaterialPtr.
		// and there is no 'setMaterial' or 'setMaterialName' method on renderables.
		// so I have to try to down cast with known classes...
		{   
			Ogre::SubEntity* lRend = dynamic_cast<Ogre::SubEntity*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
		{
			Ogre::SimpleRenderable* lRend = dynamic_cast<Ogre::SimpleRenderable*>(rend);
			if(lRend){lRend->setMaterial(newMatName);return;} 
		}
		{
			Ogre::ShadowRenderable* lRend = dynamic_cast<Ogre::ShadowRenderable*>(rend);
			if(lRend){lRend->setMaterial(newMat);return;} 
		}
		{   
			Ogre::BillboardChain* lRend = dynamic_cast<Ogre::BillboardChain*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
		{   
			Ogre::BillboardSet* lRend = dynamic_cast<Ogre::BillboardSet*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
		{   
			Ogre::OverlayElement* lRend = dynamic_cast<Ogre::OverlayElement*>(rend);
			if(lRend){lRend->setMaterialName(newMatName);return;} 
		}
	}else{
		// was there for debug...
		// Ice::Log::Instance().LogMessage("material of renderable is null!");
	}
}

void LIRenAttachmentEntity::update_settings ()
{
	if (entity == NULL)
		return;

	entity->setCastShadows (object->get_shadow_casting ());
	entity->setRenderQueueGroup (object->get_render_queue ());

	// Set the custom parameters of subentities.
	const std::map<int, Ogre::Vector4>& params = object->get_custom_params ();
	for (size_t subent_idx = 0 ; subent_idx < entity->getNumSubEntities () ; ++subent_idx)
	{
		Ogre::SubEntity* subent = entity->getSubEntity (subent_idx);
		std::map<int, Ogre::Vector4>::const_iterator iter;
		for (iter = params.begin () ; iter != params.end () ; iter++)
			subent->setCustomParameter (iter->first, iter->second);
	}
}

void FvXMLAnimationModelSerializerImpl::ReadEntity( 
	FvXMLSectionPtr spSection, Ogre::SceneNode* pkNode, FvAnimationModel* pkDest )
{
	Ogre::SceneManager *pkSceneManager = Ogre::Root::getSingleton().
		_getCurrentSceneManager();
	FV_ASSERT(pkSceneManager);

	FvString kMeshIdentifier = spSection->ReadString("identifier");
	FvString kMeshFile = spSection->ReadString("mesh");

	Ogre::Entity *pkEntity = pkSceneManager->createEntity(
		pkNode->getName() + "_" + kMeshIdentifier,kMeshFile);
	FV_ASSERT(pkEntity);
	pkEntity->setCastShadows(pkDest->m_bCastShadows);
	pkNode->attachObject(pkEntity);
	
	pkDest->m_akNodes[pkDest->m_u32CurrentLodLevel].m_kEntityList.push_back(pkEntity);
	pkEntity->setRenderQueueGroup(RENDER_QUEUE_MAX);
	AnimationStateSet *pkAnimations = pkEntity->getAllAnimationStates();
	if(pkAnimations)
	{
		AnimationStateIterator kIt = pkAnimations->getAnimationStateIterator();
		while (kIt.hasMoreElements())
		{
			AnimationState *pkAnim= kIt.getNext();
			if(pkDest->GetAnimation(pkAnim->getAnimationName()) == NULL)
				pkDest->m_kModelAnimations.insert(std::make_pair(pkAnim->getAnimationName(),pkAnim));
		}
	}

	std::vector<FvXMLSectionPtr> kSubentities;
	spSection->OpenSections("subentities/subentity",kSubentities);
	std::vector<FvXMLSectionPtr>::iterator kSubIt = kSubentities.begin();
	for(; kSubIt != kSubentities.end(); ++kSubIt)
	{
		int iIndex = (*kSubIt)->ReadInt("index",-1);
		FvString kMaterialName = (*kSubIt)->ReadString("materialName");
		Ogre::SubEntity *pkSubEntity = pkEntity->getSubEntity(iIndex);
		if(pkSubEntity && !kMaterialName.empty())
			pkSubEntity->setMaterialName(kMaterialName);
	}
}

void Level::processEntity(TiXmlElement *XMLNode, Ogre::SceneNode *parent)
{
	Ogre::String name = getAttribute(XMLNode, "name");
	Ogre::String meshFile = getAttribute(XMLNode, "meshFile");

	TiXmlElement *element;
	Ogre::Entity *entity = 0;

	try
	{
		entity = mSceneMgr->createEntity(name, meshFile);
		entity->setCastShadows(true);

		PhysicsManager::instance()->createConvexMesh(entity);

		element = XMLNode->FirstChildElement("subentities");
		if(element)
		{
			element = element->FirstChildElement("subentity");
			while (element)
			{
				Ogre::SubEntity *subEnt;

				Ogre::String materialFile = getAttribute(element, "materialName");
				unsigned int index = Ogre::StringConverter::parseInt(getAttribute(element,"index"));

				subEnt = entity->getSubEntity(index);
				subEnt->setMaterialName(materialFile);

				element = element->NextSiblingElement("subentity");		
			}
		}
		entity->setRenderingDistance(1000);
		parent->attachObject(entity);

	}
	catch(Ogre::Exception e)
	{
		Ogre::LogManager::getSingleton().logMessage("Error loading an entity!");
	}
	element = XMLNode->FirstChildElement("userDataReference");
}

		void MaterialChain::build(){
			Parent::build();
			Ogre::Entity* entity = mGo->getEntity();
			int j=entity->getNumManualLodLevels();

			for (int i=-1;i<j;i++){
				Ogre::Entity* lodEnt;
				if (i > -1){
					lodEnt  = entity->getManualLodLevel(i);
				}else{
					lodEnt  = entity;
				}
				for (int k=0;k<lodEnt->getNumSubEntities();k++){
					Ogre::SubEntity* subEnt = lodEnt->getSubEntity(k);
					if (subEnt->getMaterialName() == mSource){
						mEntityToReplace.push_back(subEnt);
					}
				}
			}
		}

void LIRenAttachmentEntity::replace_texture_now (const Ogre::String& name, Ogre::TexturePtr& texture)
{
	if (mesh.isNull () || entity == NULL)
		return;

	// Translate the name if already replaced before.
	std::map<Ogre::String, Ogre::String>::const_iterator iter;
	iter = applied_texture_replaces.find(name);
	Ogre::String real_name;
	if (iter != applied_texture_replaces.end())
		real_name = iter->second;
	else
		real_name = name;

	// Save the replaced name for future translations.
	applied_texture_replaces[name] = texture->getName ();

	// Replace in each submesh.
	for (size_t subent_idx = 0 ; subent_idx < entity->getNumSubEntities () ; ++subent_idx)
	{
		// Get the material of the subent.
		Ogre::SubEntity* subent = entity->getSubEntity (subent_idx);
		Ogre::MaterialPtr submat = subent->getMaterial ();
		if (submat.isNull ())
			continue;

		// Check if there are replaceable textures.
		if (!render->material_utils->has_overridable_texture (submat, real_name))
			continue;

		// Create a modified version of the material.
		Ogre::String new_name = render->id.next ();
		Ogre::MaterialPtr material = submat->clone (new_name, true, LIREN_RESOURCES_TEMPORARY);
		render->material_utils->replace_texture (material, real_name, texture->getName ());
		subent->setMaterial (material);
	}
}

RigidObject::RigidObject(std::string file_name,
                         Ogre::SceneManager *scene_manager, int segment_ind)
    : segment_ind_{ segment_ind }, scene_manager_{ scene_manager } {
  Ogre::MeshPtr object_mesh = render::loadMeshFromResource(file_name);
  entity_ = scene_manager_->createEntity(file_name);
  Ogre::MaterialPtr mat =
      Ogre::MaterialManager::getSingleton().getByName("textured");
  std::stringstream ss;
  ss << "textured_" << segment_ind_;
  Ogre::MaterialPtr cloned_mat = mat->clone(ss.str());
  Ogre::Pass *pass = cloned_mat->getTechnique(0)->getPass(0);
  Ogre::TextureUnitState *tex_unit = pass->createTextureUnitState();
  Ogre::MaterialPtr tmp = Ogre::MaterialManager::getSingleton().getByName(
      object_mesh->getSubMesh(0)->getMaterialName());
  tex_unit->setTextureName(tmp->getTechnique(0)
                               ->getPass(0)
                               ->getTextureUnitState(0)
                               ->getTextureName());
  entity_->setMaterial(cloned_mat);

  texture_name_ = tex_unit->getTextureName();
  file_name_ = file_name;

  Ogre::SubEntity *pSub = entity_->getSubEntity(0);
  // mark segment index for vertex shader
  pSub->setCustomParameter(1, Ogre::Vector4(segment_ind_, 0, 0, 0));

  visual_node_ = scene_manager_->getRootSceneNode()->createChildSceneNode();
  visual_node_->attachObject(entity_);

  // store the vertex positions
  extractMeshPositions(object_mesh.get());
  //  std::cout << "extracted " << positions_.size() << " vertices\n";

  // compute the bounding box
  computeBoundingBox();
}

// 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.........