C++ IAnimatedMeshSceneNode::getMaterial方法代码示例

void CScene::UpdateScene(vector<vector3df> otherClientPosition, ICameraSceneNode* camera)
{
	ISceneManager* smgr=device->getSceneManager();
	IVideoDriver* driver=device->getVideoDriver();

	// 测试用
	IAnimatedMesh* personMeshTest=smgr->getMesh("../../media/sydney.md2");
	IAnimatedMeshSceneNode* personNode = smgr->addAnimatedMeshSceneNode( personMeshTest );
	if (!personMeshTest)
	{
		device->drop();
		return ;
	}
	if (personNode)
	{
		personNode->setScale(vector3df(0.4f,0.4f,0.4f));
		personNode->setPosition(vector3df(0.0f,10.0f,0.0f));
		personNode->setMaterialTexture( 0, driver->getTexture("../../media/sydney.bmp") );
		personNode->setMaterialFlag(EMF_LIGHTING, false);
		personNode->getMaterial(0).Shininess=28.0f;
		personNode->getMaterial(0).NormalizeNormals=true;
		personNode->setMD2Animation ( scene::EMAT_STAND );

	}
	personMeshTest->setMaterialFlag(EMF_LIGHTING,false);

	// 显示其他客户端
	for (int i=0;i!=otherClientPosition.size();i++)
	{
		IAnimatedMesh* personMesh=smgr->getMesh("../../media/sydney.md2");
		IAnimatedMeshSceneNode* personNode = smgr->addAnimatedMeshSceneNode( personMesh );
		if (!personMesh)
		{
			device->drop();
			return ;
		}
		if (personNode && personNode->getPosition()!=camera->getPosition())
		{
//			personNode->setPosition(vector3df(10,20,0));
//			personNode->setScale(vector3df(0.5,0.5,0.5));
			personNode->setPosition(otherClientPosition[i]);
			personNode->setMaterialTexture( 0, driver->getTexture("../../media/sydney.bmp") );
			personNode->setMaterialFlag(EMF_LIGHTING, false);
			personNode->getMaterial(0).Shininess=28.0f;
			personNode->getMaterial(0).NormalizeNormals=true;
			personNode->setMD2Animation ( scene::EMAT_STAND );

		}
		personMesh->setMaterialFlag(EMF_LIGHTING,false);
	}
}

SceneObject* PhysicsSim::loadSceneObject(stringw mesh_file, stringw texture_file)
{
	IAnimatedMesh *mesh = smgr->getMesh(mediaDirectory + mesh_file);

	IAnimatedMeshSceneNode* Node = smgr->addAnimatedMeshSceneNode(mesh, smgr->getRootSceneNode());
	stringw tex_file = texture_file;
	if(tex_file == L"")
	{
		tex_file = mesh_file;
		if(tex_file.find(".dae") > -1)
			tex_file.remove(".dae");
		if(tex_file.find(".3ds") > -1)
			tex_file.remove(".3ds");
		tex_file.append(".jpg");
	}
	tex_file = mediaDirectory + tex_file;
	if(smgr->getFileSystem()->existFile(tex_file))
		Node->setMaterialTexture(0, driver->getTexture(tex_file));
	Node->setMaterialFlag(EMF_LIGHTING, true);
	Node->setMaterialFlag(EMF_TEXTURE_WRAP, false);
	Node->setMaterialFlag(EMF_BACK_FACE_CULLING, true);
	Node->addShadowVolumeSceneNode(0,-1,false);
	Node->getMaterial(0).AmbientColor.set(255,255,255,255);

	updateObjects();
	return Node;
}

//loads the player and sets initial position
IAnimatedMeshSceneNode* Player::loadPlayerNode(IrrlichtDevice* device, ISceneManager* smgr) 
{
	IAnimatedMesh* player = smgr->getMesh("Assets/player.x");
	if (!player) { device->drop(); return NULL; }
	IAnimatedMeshSceneNode *plyrNode = smgr->addAnimatedMeshSceneNode(player);
	for (int i = 0; i < plyrNode->getMaterialCount(); i++)
	{
		plyrNode->getMaterial(i).NormalizeNormals = true;
	}
	plyrNode->setPosition(vector3df(5.0f, 0.1f, 5.0f));

	return plyrNode;
}

void Unit::addModel() {
	IAnimatedMeshSceneNode* modelNode = Game::getInstance().sceneManager->addAnimatedMeshSceneNode( model, node );
	if (modelNode)
    {
		modelNode->setMaterialTexture( 0, texture );
		modelNode->getMaterial(0).Shininess = 0;
		modelNode->setScale(vector3df(0.15f, 0.15f, 0.15f) );
		modelNode->addShadowVolumeSceneNode(0, 0, false);
		modelNode->setID(0);

		currentAnimation = IDLE_ANIMATION;
		
		float randX = rand() % 8 - 4;
		float randZ =rand() % 8 - 4;
		modelNode->setPosition(vector3df(randX, 0.0f, randZ));
    }

	modelNodes.push_back(modelNode);
}

void CCharacterExample::runExample()
{
    for(s32 i=0; i<KEY_KEY_CODES_COUNT; i++)
        KeyIsDown[i] = false;

    debugDraw = true;
    drawProperties = true;
    drawWireFrame = false;

    rows = 10;
	columns = 10;

    device =
        createDevice( video::EDT_OPENGL, dimension2d<u32>(640, 480), 16,
            false, false, false, this);


    device->setWindowCaption(L"irrBullet Character Example - Josiah Hartzell");

	device->getFileSystem()->addFileArchive("./media/");


    device->getSceneManager()->addLightSceneNode(0, vector3df(20, 40, -50), SColorf(1.0f, 1.0f, 1.0f), 4000.0f);


    ////////////////////////////
    // Create irrBullet World //
    ////////////////////////////
    world = createIrrBulletWorld(device, true, debugDraw);

    world->setDebugMode(EPDM_DrawAabb |
            EPDM_DrawContactPoints);

    world->setGravity(vector3df(0,-10,0));


    camera = device->getSceneManager()->addCameraSceneNodeMaya();
	camera->setPosition(vector3df(50,15,200));
	camera->bindTargetAndRotation(true);


	createGround();
	createBoxes();

	IKinematicCharacterController* character = new IKinematicCharacterController(world);

	IAnimatedMeshSceneNode* sydney = device->getSceneManager()->addAnimatedMeshSceneNode(device->getSceneManager()->getMesh("sydney.md2"));
	sydney->setScale(vector3df(0.14,0.14,0.14));
	sydney->getMaterial(0).setTexture(0, device->getVideoDriver()->getTexture("sydney.bmp"));
	sydney->setMD2Animation(scene::EMAT_STAND);


    // Set our delta time and time stamp
    u32 TimeStamp = device->getTimer()->getTime();
    u32 DeltaTime = 0;
    EMD2_ANIMATION_TYPE animation = EMAT_STAND;
    EMD2_ANIMATION_TYPE newAnimation = EMAT_RUN;
    bool jump = false;
    while(device->run())
    {
        device->getVideoDriver()->beginScene(true, true, SColor(255,100,101,140));

        DeltaTime = device->getTimer()->getTime() - TimeStamp;
		TimeStamp = device->getTimer()->getTime();


		/*sydney->setPosition(character->getWorldTransform().getTranslation()+vector3df(0,-((sydney->getBoundingBox().MaxEdge.Y-sydney->getBoundingBox().MinEdge.Y)*0.1*0.5f),0));
        vector3df dir = camera->getAbsolutePosition()-sydney->getAbsolutePosition();
        dir.normalize();
        dir.Y = 0;
        dir *= -1;

        character->setWalkDirection(dir*0.3f);*/

        if(IsKeyDown(KEY_KEY_W))
        {
            DirZ = -1.0f;
        }

        else if(IsKeyDown(KEY_KEY_S))
        {
            DirZ = 1.0f;
        }

        else
        {
            DirZ = 0.0f;
        }

        if(IsKeyDown(KEY_KEY_A))
        {
            DirX = 1.0f;
        }

        else if(IsKeyDown(KEY_KEY_D))
        {
            DirX = -1.0f;
        }

        else
//.........这里部分代码省略.........

///////////////////////////////////////////函数实现////////////////////////////////////////////////
bool LoadModels(ISceneNode* m_ICamera,std::map<std::string,IAnimatedMeshSceneNode*>& myNode)
{
	_finddata_t file; 
	long longf;   
  
    //读取文件夹下文件名字 
    if((longf = _findfirst("..\\model\\*.3ds", &file))==-1l)   
    {   
        std::cout<<"没有找到模型!\n";   
    }   
    else  
    {   
        std::cout<<"\n加载模型\n";   
		std::string tempName;
		tempName = "";   
        tempName = file.name;
		m_vecStrModelName.push_back(tempName);//加载第一个模型名字
        while( _findnext( longf, &file ) == 0 )   
        {     
			tempName = "";   
            tempName = file.name; 
            if (tempName == "..")   
            {   
                continue;   
            }   
			m_vecStrModelName.push_back(tempName);
        }   
    }   
  
    _findclose(longf); 

	//模型库模型节点的ID(从1000开始)
	int storeModelID=1000;
	//加载模型创建场景节点
   auto iter(m_vecStrModelName.begin());
   while(iter!=m_vecStrModelName.end())
   {
	   std::string myPath=*iter;
	   myPath="..\\model\\"+myPath;
	   scene::IAnimatedMesh* mesh = m_IrrSmgr->getMesh((char*)myPath.c_str());

	   //模型设为摄像头的子节点
       IAnimatedMeshSceneNode* modelNode = m_IrrSmgr->addAnimatedMeshSceneNode(mesh,m_ICamera);

	   // 设置自发光强度大小（即镜面渲染中的亮度大小）
       modelNode->getMaterial(0).Shininess = 20.0f; 

	   modelNode->setMaterialFlag(EMF_LIGHTING, true);

	   modelNode->setRotation(vector3df(90, 0, 0));
	   modelNode->setPosition(vector3df(90, 0, 0));

	   //创建三角选择器
	   m_ItriElector = m_IrrSmgr->createTriangleSelector(modelNode);
	   modelNode->setTriangleSelector(m_ItriElector);
	   m_ItriElector->drop(); // We're done with this m_ItriElector, so drop it now.

	   myNode[(*iter)]=modelNode;//插入模型名字和模型库结点对
	   iter++;
	   //设置模型为不可见
	   modelNode->setVisible(false);

	   //设置模型库模型ID
	   modelNode->setID(storeModelID);
	   ++storeModelID;
   }

   //计算模型库的页数(三个模型一页)
   m_iTotalPageNumber=m_vecStrModelName.size()/m_iPageModelCount;
   if(m_vecStrModelName.size()%m_iPageModelCount!=0)
   {
	   m_iTotalPageNumber+=1;
   }

   //添加翻页标志模型
   for(int i=0;i<2;i++)
   {
	   scene::IAnimatedMesh* mesh;
	   if(0==i)
	   {
		   mesh = m_IrrSmgr->getMesh("left.3ds");
	   }
	   else
	   {
		   mesh = m_IrrSmgr->getMesh("right.3ds");
	   }
	   //模型设为摄像头的子节点
		IAnimatedMeshSceneNode* modelNode = m_IrrSmgr->addAnimatedMeshSceneNode(mesh,m_ICamera);

		// 设置自发光强度大小（即镜面渲染中的亮度大小）
		modelNode->getMaterial(0).Shininess = 20.0f; 

		modelNode->setMaterialFlag(EMF_LIGHTING, true);

		modelNode->setRotation(vector3df(90, 0, 0));

		//创建三角选择器
		m_ItriElector = m_IrrSmgr->createTriangleSelector(modelNode);
		modelNode->setTriangleSelector(m_ItriElector);
//.........这里部分代码省略.........

// registering the scene node for rendering, here we take the opportunity
// to make LOD adjustments to child nodes
void CLODSceneNode::OnRegisterSceneNode()
{
	//if this node is invisible forget any child nodes
	if (!IsVisible)
		return;

	// get a timer to calculate the amount to fade objects
	u32 time = device->getTimer()->getTime();

	// get the camera position
	ICameraSceneNode* cam = smgr->getActiveCamera();
	core::vector3df vectorCam = cam->getAbsolutePosition();

	// loop through all child nodes
	u32 i,j;
	u32 lod, fade;
	SMaterial * material;
	for (i=0; i < children.size(); ++i)
	{
		// get the node associated with this link
		SChildLink &child = children[i];
		IAnimatedMeshSceneNode *node = (IAnimatedMeshSceneNode *)child.node;

		// calculate the distance to the node. at the moment we do this the
		// slow linear way instead of using the distance squared method
		core::vector3df vectorNode = node->getAbsolutePosition();
		float distance = vectorNode.getDistanceFrom( vectorCam );

		// itterate through all of the LOD levels and find the lod distance
		// that is appropriate for this distance
		lod = 0xFFFFFFFF;
		for (j=0; j < lods.size(); ++j)
		{
			if ( distance >= lods[j].distance )
			{
				lod = j;
			}
		}

        // if a LOD level was found
		if ( lod != 0xFFFFFFFF )
		{
            // if this lod is associated with a mesh
            if ( lods[lod].mesh )
            {
                // if this lod differs from the child lod
                if ( lod != children[i].lod )
                {
                    children[i].lod = lod;

                    // if the node is an animated mesh node
                    if ( ( node->getType()) == ESNT_ANIMATED_MESH )
                    {
                        // set the new mesh to be used
                        node->setMeshClean( lods[lod].mesh );
                    }
                }
                // handle instances where the node is faded
                switch ( children[i].mode )
                {
                    case LOD_INVISIBLE:
                        // make the node visible
                        node->setVisible( true );
                        children[i].mode = LOD_FADE_IN;
                        children[i].fade = time;
                    break;

                    // we are partially faded we need to fade back in
                    case LOD_FADE_IN:
                        // fade the node in by 1 multiplied by the time passed
                        fade = (time - children[i].fade) / fadeScale;
                        if ( fade > 0xFF ) fade = 0xFF;

                        // if the node is fully opaque again
                        if ( fade == 0xFF )
                        {
                            // restore the origonal material type
                            node->setMaterialType(children[i].matType);
                            children[i].mode = LOD_OPAQUE;
                            if ( callback ) callback( true, node );
                        }

                        // fade the node through its materials
                        fade *= 0x01010101;
                        material = &node->getMaterial( 0 );
						if ( useAlpha )
						{
							material->DiffuseColor.set( fade );
							material->AmbientColor.set( fade );
						}
						else
						{
							material->DiffuseColor.set( fade & 0xFFFFFF );
							material->AmbientColor.set( fade & 0xFFFFFF );
						}

                    break;

//.........这里部分代码省略.........

void Mesh3DInitScene()
{
	IAnimatedMesh*				mesh;
	IAnimatedMeshSceneNode*     node;
	scene::ISceneNodeAnimator*  anim;
	scene::ISceneManager*		smgr   = IrrlichtManager::GetIrrlichtManager()->GetScene();
	IrrlichtDevice*				device = IrrlichtManager::GetIrrlichtManager()->GetDevice();
	video::IVideoDriver*		driver = IrrlichtManager::GetIrrlichtManager()->GetDriver();
	
	std::string					load_zip;
	std::string					load_data;
	std::string					reload_path;
	FileSystemZip*				pfilesystem			= NULL;
	io::IReadFile*				memfile				= NULL;
	byte*						apk_buffer			= NULL;
	byte*						buff_extract		= NULL;
	int							size				= 0;
	int							apk_size			= 0;

	if (!IrrlichtManager::GetIrrlichtManager()->GetDevice())
	{
		LogError("Error initializing Irrlicht");
		return;
	}
	
	IrrlichtManager::GetIrrlichtManager()->GetDevice()->getTimer()->setTime(0);
		
    smgr->addLightSceneNode(0, core::vector3df(-100,10,0), video::SColorf(1.0f, 1.0f, 1.0f, 1.0f), 200.0f);
    smgr->addLightSceneNode(0, core::vector3df(+100,10,0), video::SColorf(1.0f, 1.0f, 1.0f, 1.0f), 200.0f);
	
		
//////////////////////////////mesh/////////////////////////////////////////////////
	load_zip	= (GetBaseAppPath() + "game/ninja.zip").c_str();
	load_data	= "ninja.b3d";
	reload_path	= (GetBaseAppPath() + "game/ninja.b3d").c_str();
	
#ifdef ANDROID_NDK
	apk_buffer	= FileManager::GetFileManager()->Get(load_zip.c_str(), &apk_size, false, false);
	
	if( apk_buffer )
	{
		pfilesystem	= new FileSystemZip();
		pfilesystem->Init_unzMemory(apk_buffer, apk_size);
		buff_extract = pfilesystem->Get_unz(load_data, &size);

		delete apk_buffer;
		apk_buffer = NULL;
	}
#else
	pfilesystem = new FileSystemZip();
	pfilesystem->Init_unz(load_zip.c_str());
	buff_extract = pfilesystem->Get_unz(load_data.c_str(), &size);
#endif
	
	memfile = device->getFileSystem()->createMemoryReadFile(buff_extract, size, reload_path.c_str(), true);
	//new buffer copy on file->read(Buffer, size) of CXMeshFileLoader::readFileIntoMemory
	mesh	= smgr->getMesh( memfile );
	node	= smgr->addAnimatedMeshSceneNode( mesh );

	//delete buff_extract in drop() then goto ~CMemoryReadFile
	memfile->drop();
						
	if( pfilesystem )
	{
		delete pfilesystem;
		pfilesystem = NULL;
	}

//////////////////////////////texture/////////////////////////////////////////////////
	node->setMaterialTexture( 0, driver->getTexture((GetBaseAppPath()+"game/nskinbl.jpg").c_str()) );
    node->setMaterialFlag(EMF_LIGHTING, true);
    node->setMaterialFlag(EMF_NORMALIZE_NORMALS, true);
    anim = smgr->createRotationAnimator(core::vector3df(0,0.3f,0));
    node->addAnimator(anim);
    anim->drop();

	u32 alpha_val		= 90;
	u32 MaterialCount	= node->getMaterialCount();
	
	for(u32 i=0; i<MaterialCount; i++)
	{
		video::SMaterial& tex_mat	= node->getMaterial(i);
		tex_mat.MaterialType		= video::EMT_TRANSPARENT_VERTEX_ALPHA;
		//tex_mat.MaterialTypeParam	= 0.1;
		//tex_mat.MaterialTypeParam2= 0.1;
		tex_mat.AmbientColor.setAlpha(alpha_val);
		tex_mat.DiffuseColor.setAlpha(alpha_val);
		tex_mat.SpecularColor.setAlpha(alpha_val);
		tex_mat.EmissiveColor.setAlpha(alpha_val);
	}

#if	defined(_IRR_COMPILE_WITH_OGLES2_)
	for(u32 i=0; i<mesh->getMeshBufferCount(); i++)
	{
		scene::IMeshBuffer* buffer = mesh->getMeshBuffer(i);
		video::S3DVertex* vertex = (video::S3DVertex*)buffer->getVertices();
		
		for(u32 j=0; j<buffer->getVertexCount(); j++)
		{
			vertex[j].Color.setAlpha(alpha_val);
//.........这里部分代码省略.........