C++ MeshPtr::createSubMesh方法代码示例

void ESKOgre::createFakeEntity(Ogre::SceneManager *mSceneMgr) {
	Ogre::MeshPtr msh = Ogre::MeshManager::getSingleton().createManual(name + "_skeleton", XENOVIEWER_RESOURCE_GROUP);
	msh->setSkeletonName(name);

	Ogre::SubMesh* sub = msh->createSubMesh();
	const size_t nVertices = 3;
	const size_t nVertCount = 3;
	const size_t vbufCount = nVertCount*nVertices;
	float *vertices = (float *)malloc(sizeof(float)*vbufCount);

	for (size_t i = 0; i < nVertices; i++) {
		vertices[i*nVertCount] = 0.0;
		vertices[i*nVertCount + 1] = 0.0;
		vertices[i*nVertCount + 2] = 0.0;
	}

	const size_t ibufCount = 3;
	unsigned short *faces = (unsigned short *)malloc(sizeof(unsigned short) * ibufCount);

	for (size_t i = 0; i < ibufCount; i++) {
		faces[i] = i;
	}

	msh->sharedVertexData = new Ogre::VertexData();
	msh->sharedVertexData->vertexCount = nVertices;

	Ogre::VertexDeclaration* decl = msh->sharedVertexData->vertexDeclaration;
	size_t offset = 0;

	decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
	offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);

	Ogre::HardwareVertexBufferSharedPtr vbuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(offset, msh->sharedVertexData->vertexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
	vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
	Ogre::VertexBufferBinding* bind = msh->sharedVertexData->vertexBufferBinding;
	bind->setBinding(0, vbuf);
	Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, ibufCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
	ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
	sub->useSharedVertices = true;
	sub->indexData->indexBuffer = ibuf;
	sub->indexData->indexCount = ibufCount;
	sub->indexData->indexStart = 0;

	msh->_setBounds(Ogre::AxisAlignedBox(-100, -100, -100, 100, 100, 100));
	msh->_setBoundingSphereRadius(100);
	msh->load();

	free(faces);
	free(vertices);

	skeleton_entity = mSceneMgr->createEntity(name + "_skeleton");
	skeleton_node = mSceneMgr->getRootSceneNode()->createChildSceneNode();
	skeleton_node->attachObject(skeleton_entity);
	skeleton_node->setVisible(false);
}

void
MeshExtractor( const MeshData& mesh_data, const Ogre::String& material_name, File* file, int offset_to_data, VectorTexForGen& textures, const Ogre::MeshPtr& mesh, const Ogre::String& name, int bone_id )
{
    int offset_to_vertex     = offset_to_data;
    int offset_to_triangle_t = offset_to_vertex + 0x04 + file->GetU32LE( offset_to_vertex );
    int number_of_triangle_t = file->GetU16LE( offset_to_triangle_t );
    u16 tpage  = file->GetU16LE( offset_to_triangle_t + 0x02 );
    int offset_to_quad_t     = offset_to_triangle_t + 0x04 + number_of_triangle_t * 0x10;
    int number_of_quad_t     = file->GetU16LE( offset_to_quad_t );
    int offset_to_triangle   = offset_to_quad_t + 0x4 + number_of_quad_t * 0x14;
    int number_of_triangle   = file->GetU16LE( offset_to_triangle );
    int offset_to_quad       = offset_to_triangle + 0x4 + number_of_triangle * 0x14;
    int number_of_quad       = file->GetU16LE( offset_to_quad );

    Ogre::SubMesh* sub_mesh = mesh->createSubMesh( name );
    sub_mesh->setMaterialName( material_name );
    sub_mesh->useSharedVertices = false;
    sub_mesh->operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;

    // Allocate and prepare vertex data
    sub_mesh->vertexData = new Ogre::VertexData();
    sub_mesh->vertexData->vertexStart = 0;
    sub_mesh->vertexData->vertexCount = static_cast< size_t >( number_of_triangle_t * 3 + number_of_quad_t * 6 + number_of_triangle * 3 + number_of_quad * 6 );

    sub_mesh->indexData = new Ogre::IndexData();
    sub_mesh->indexData->indexStart = 0;
    sub_mesh->indexData->indexCount = sub_mesh->vertexData->vertexCount;
    sub_mesh->indexData->indexBuffer = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
        Ogre::HardwareIndexBuffer::IT_16BIT,
        sub_mesh->indexData->indexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    u16* idata = static_cast< u16* >( sub_mesh->indexData->indexBuffer->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );
    u32 cur_index = 0;

    Ogre::VertexDeclaration* decl = sub_mesh->vertexData->vertexDeclaration;
    Ogre::VertexBufferBinding* bind = sub_mesh->vertexData->vertexBufferBinding;
    // 1st buffer
    decl->addElement( POSITION_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION );
    Ogre::HardwareVertexBufferSharedPtr vbuf0 = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
        decl->getVertexSize( POSITION_BINDING ),
        sub_mesh->vertexData->vertexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    bind->setBinding( POSITION_BINDING, vbuf0 );

    // 2nd buffer
    decl->addElement( COLOUR_BINDING, 0, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE );
    Ogre::HardwareVertexBufferSharedPtr vbuf1 = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
        decl->getVertexSize( COLOUR_BINDING ),
        sub_mesh->vertexData->vertexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    // Set vertex buffer binding so buffer 1 is bound to our colour buffer
    bind->setBinding( COLOUR_BINDING, vbuf1 );

    // 3rd buffer
    decl->addElement( TEXTURE_BINDING, 0, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0 );
    Ogre::HardwareVertexBufferSharedPtr vbuf2 = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
        decl->getVertexSize( TEXTURE_BINDING ),
        sub_mesh->vertexData->vertexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    bind->setBinding( TEXTURE_BINDING, vbuf2 );

    float* pPos   = static_cast< float* >( vbuf0->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );
    float* tPos   = static_cast< float* >( vbuf2->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );

    Ogre::RenderSystem* rs = Ogre::Root::getSingleton().getRenderSystem();
    Ogre::RGBA colours[ sub_mesh->vertexData->vertexCount ];



    // add textured triangle
    for (int j = 0; j < number_of_triangle_t; ++j)
    {
        int offset_a = file->GetU16LE(offset_to_triangle_t + 0x4 + j * 0x10 + 0x0);
        int offset_b = file->GetU16LE(offset_to_triangle_t + 0x4 + j * 0x10 + 0x2);
        int offset_c = file->GetU16LE(offset_to_triangle_t + 0x4 + j * 0x10 + 0x4);

        Ogre::Vector3 a((s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_a + 00),
                        (s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_a + 02),
                        (s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_a + 04));
        Ogre::Vector3 b((s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_b + 00),
                        (s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_b + 02),
                        (s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_b + 04));
        Ogre::Vector3 c((s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_c + 00),
                        (s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_c + 02),
                        (s16)file->GetU16LE(offset_to_vertex + 0x04 + offset_c + 04));
        a /= 512;
        b /= 512;
        c /= 512;

        u16 clut = file->GetU16LE(offset_to_triangle_t + 0x4 + j * 0x10 + 0xa);
        int clut_x = (clut & 0x003f) << 3;
        int clut_y = (clut & 0xffc0) >> 6;
        int bpp    = (tpage >> 0x7) & 0x3;
        int vram_x = (tpage & 0xf) * 64;
        int vram_y = ((tpage & 0x10) >> 4) * 256;
        TexForGen texture;
        texture.palette_x = clut_x;
        texture.palette_y = clut_y;
        texture.texture_x = vram_x;
        texture.texture_y = vram_y;
//.........这里部分代码省略.........

void MilkshapePlugin::doExportMesh(msModel* pModel)
{


    // Create singletons
    Ogre::SkeletonManager skelMgr;
    Ogre::DefaultHardwareBufferManager defHWBufMgr;
	Ogre::LogManager& logMgr = Ogre::LogManager::getSingleton();
	Ogre::MeshManager meshMgr;


    //
    // choose filename
    //
    OPENFILENAME ofn;
    memset (&ofn, 0, sizeof (OPENFILENAME));

    char szFile[MS_MAX_PATH];
    char szFileTitle[MS_MAX_PATH];
    char szDefExt[32] = "mesh";
    char szFilter[128] = "OGRE .mesh Files (*.mesh)\0*.mesh\0All Files (*.*)\0*.*\0\0";
    szFile[0] = '\0';
    szFileTitle[0] = '\0';

    ofn.lStructSize = sizeof (OPENFILENAME);
    ofn.lpstrDefExt = szDefExt;
    ofn.lpstrFilter = szFilter;
    ofn.lpstrFile = szFile;
    ofn.nMaxFile = MS_MAX_PATH;
    ofn.lpstrFileTitle = szFileTitle;
    ofn.nMaxFileTitle = MS_MAX_PATH;
    ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST;
    ofn.lpstrTitle = "Export to OGRE Mesh";

    if (!::GetSaveFileName (&ofn))
        return /*0*/;

    logMgr.logMessage("Creating Mesh object...");
    Ogre::MeshPtr ogreMesh = Ogre::MeshManager::getSingleton().create("export", 
        Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
    logMgr.logMessage("Mesh object created.");

    bool foundBoneAssignment = false;

    // No shared geometry
    int i;
	int wh, numbones;
	int intweight[3], intbones[3];
    size_t j;
    Ogre::Vector3 min, max, currpos;
    Ogre::Real maxSquaredRadius;
    bool first = true;
    for (i = 0; i < msModel_GetMeshCount (pModel); i++)
    {
        msMesh *pMesh = msModel_GetMeshAt (pModel, i);

        logMgr.logMessage("Creating SubMesh object...");
        Ogre::SubMesh* ogreSubMesh = ogreMesh->createSubMesh();
        logMgr.logMessage("SubMesh object created.");
        // Set material
        logMgr.logMessage("Getting SubMesh Material...");
        int matIdx = msMesh_GetMaterialIndex(pMesh);

        if (matIdx == -1)
        {
            // No material, use blank
            ogreSubMesh->setMaterialName("BaseWhite");
            logMgr.logMessage("No Material, using default 'BaseWhite'.");
        }
        else
        {

            msMaterial *pMat = msModel_GetMaterialAt(pModel, matIdx);
            ogreSubMesh->setMaterialName(pMat->szName);
            logMgr.logMessage("SubMesh Material Done.");
        }


        logMgr.logMessage("Setting up geometry...");
        // Set up mesh geometry
        ogreSubMesh->vertexData = new Ogre::VertexData();
        ogreSubMesh->vertexData->vertexCount = msMesh_GetVertexCount (pMesh);
        ogreSubMesh->vertexData->vertexStart = 0;
        Ogre::VertexBufferBinding* bind = ogreSubMesh->vertexData->vertexBufferBinding;
        Ogre::VertexDeclaration* decl = ogreSubMesh->vertexData->vertexDeclaration;
        // Always 1 texture layer, 2D coords
        #define POSITION_BINDING 0
        #define NORMAL_BINDING 1
        #define TEXCOORD_BINDING 2
        decl->addElement(POSITION_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
        decl->addElement(NORMAL_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
        decl->addElement(TEXCOORD_BINDING, 0, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
        // Create buffers
        Ogre::HardwareVertexBufferSharedPtr pbuf = Ogre::HardwareBufferManager::getSingleton().
            createVertexBuffer(decl->getVertexSize(POSITION_BINDING), ogreSubMesh->vertexData->vertexCount,
                Ogre::HardwareBuffer::HBU_DYNAMIC, false);
        Ogre::HardwareVertexBufferSharedPtr nbuf = Ogre::HardwareBufferManager::getSingleton().
            createVertexBuffer(decl->getVertexSize(NORMAL_BINDING), ogreSubMesh->vertexData->vertexCount,
                Ogre::HardwareBuffer::HBU_DYNAMIC, false);
        Ogre::HardwareVertexBufferSharedPtr tbuf = Ogre::HardwareBufferManager::getSingleton().
//.........这里部分代码省略.........

void
MeshExtractor( const MeshData& mesh_data, const Ogre::String& material_name, File* file, int offset_to_data, VectorTexForGen& textures, const Ogre::MeshPtr& mesh )
{
    File* file12 = new File( "./data/field/5/1b/1/12/1" );
    u32 offset_to_clut_tex = 4 + file12->GetU32LE( 4 + 4 ) & 0x00ffffff;
    LOGGER->Log( "offset_to_clut_tex = \"" + HexToString( offset_to_clut_tex, 8, '0' ) + "\".\n" );
    u32 offset_to_tx_ty = offset_to_clut_tex + file12->GetU8( 4 + 7 ) * 4;
    LOGGER->Log( "offset_to_tx_ty = \"" + HexToString( offset_to_tx_ty, 8, '0' ) + "\".\n" );



    int number_of_monochrome_textured_quads = file->GetU16LE( offset_to_data + 0x02 );
    int number_of_monochrome_textured_triangles = file->GetU16LE( offset_to_data + 0x04 );
    int number_of_shaded_textured_quads = file->GetU16LE( offset_to_data + 0x06 );
    int number_of_shaded_textured_triangles = file->GetU16LE( offset_to_data + 0x08 );
    int number_of_gradated_quads = file->GetU16LE( offset_to_data + 0x0a );
    int number_of_gradated_triangles = file->GetU16LE( offset_to_data + 0x0c );
    int number_of_monochrome_quads = file->GetU16LE( offset_to_data + 0x0e );
    int number_of_monochrome_triangles = file->GetU16LE( offset_to_data + 0x10 );

    u32 pointer_to_vertex_groups = file->GetU32LE( offset_to_data + 0x14 );
    u32 pointer_to_vertex_data = file->GetU32LE( offset_to_data + 0x18 );
    u32 pointer_to_mesh_data = file->GetU32LE( offset_to_data + 0x1c );
    u32 pointer_to_texture_data = file->GetU32LE( offset_to_data + 0x20 );



    Ogre::SubMesh* sub_mesh = mesh->createSubMesh(/* name */);
    sub_mesh->setMaterialName( material_name );
    sub_mesh->useSharedVertices = false;
    sub_mesh->operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;

    // Allocate and prepare vertex data
    sub_mesh->vertexData = new Ogre::VertexData();
    sub_mesh->vertexData->vertexStart = 0;
    sub_mesh->vertexData->vertexCount = static_cast< size_t >(
        number_of_monochrome_textured_quads * 6 +
        number_of_monochrome_textured_triangles * 3/* +
        number_of_shaded_textured_quads * 6 +
        number_of_shaded_textured_triangles * 3 +
        number_of_gradated_quads * 6 +
        number_of_gradated_triangles * 3 +
        number_of_monochrome_quads * 6 +
        number_of_monochrome_triangles * 3*/ );

    sub_mesh->indexData = new Ogre::IndexData();
    sub_mesh->indexData->indexStart = 0;
    sub_mesh->indexData->indexCount = sub_mesh->vertexData->vertexCount;
    sub_mesh->indexData->indexBuffer = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
        Ogre::HardwareIndexBuffer::IT_16BIT,
        sub_mesh->indexData->indexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    u16* idata = static_cast< u16* >( sub_mesh->indexData->indexBuffer->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );
    u32 cur_index = 0;

    Ogre::VertexDeclaration* decl = sub_mesh->vertexData->vertexDeclaration;
    Ogre::VertexBufferBinding* bind = sub_mesh->vertexData->vertexBufferBinding;
    // 1st buffer
    decl->addElement( POSITION_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION );
    Ogre::HardwareVertexBufferSharedPtr vbuf0 = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
        decl->getVertexSize( POSITION_BINDING ),
        sub_mesh->vertexData->vertexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    bind->setBinding( POSITION_BINDING, vbuf0 );

    // 2nd buffer
    decl->addElement( COLOUR_BINDING, 0, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE );
    Ogre::HardwareVertexBufferSharedPtr vbuf1 = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
        decl->getVertexSize( COLOUR_BINDING ),
        sub_mesh->vertexData->vertexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    // Set vertex buffer binding so buffer 1 is bound to our colour buffer
    bind->setBinding( COLOUR_BINDING, vbuf1 );

    // 3rd buffer
    decl->addElement( TEXTURE_BINDING, 0, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0 );
    Ogre::HardwareVertexBufferSharedPtr vbuf2 = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
        decl->getVertexSize( TEXTURE_BINDING ),
        sub_mesh->vertexData->vertexCount,
        Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY );
    bind->setBinding( TEXTURE_BINDING, vbuf2 );

    float* pPos   = static_cast< float* >( vbuf0->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );
    float* tPos   = static_cast< float* >( vbuf2->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );

    Ogre::RenderSystem* rs = Ogre::Root::getSingleton().getRenderSystem();
    
    std::vector<Ogre::RGBA> coloursVec(sub_mesh->vertexData->vertexCount);

    Ogre::RGBA* colours = coloursVec.data();



    for( int i = 0; i < number_of_monochrome_textured_quads; ++i )
    {
        int index_a = file->GetU16LE( pointer_to_mesh_data + 0x0 );
        int index_b = file->GetU16LE( pointer_to_mesh_data + 0x2 );
        int index_c = file->GetU16LE( pointer_to_mesh_data + 0x4 );
        int index_d = file->GetU16LE( pointer_to_mesh_data + 0x6 );

//.........这里部分代码省略.........

 // Write submesh data to an Ogre compatible mesh
 bool Submesh::createOgreSubmesh(Ogre::MeshPtr pMesh,const ParamList& params)
 {
     size_t i,j;
     bool stat;
     // Create a new submesh
     Ogre::SubMesh* pSubmesh;
     if (m_name != "")
         pSubmesh = pMesh->createSubMesh(m_name.c_str());
     else
         pSubmesh = pMesh->createSubMesh();
     // Set material
     pSubmesh->setMaterialName(m_pMaterial->name().c_str());
     // Set use shared geometry flag
     pSubmesh->useSharedVertices = params.useSharedGeom;
     // Create vertex data for current submesh
     pSubmesh->vertexData = new Ogre::VertexData();
     // Set number of indexes
     pSubmesh->indexData->indexCount = 3*m_faces.size();
     pSubmesh->vertexData->vertexCount = m_vertices.size();
     // Check if we need to use 32 bit indexes
     bool use32BitIndexes = false;
     if (m_vertices.size() > 65536 || params.useSharedGeom)
     {
         use32BitIndexes = true;
     }
     // Create a new index buffer
     pSubmesh->indexData->indexBuffer = 
         Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
             use32BitIndexes ? Ogre::HardwareIndexBuffer::IT_32BIT : Ogre::HardwareIndexBuffer::IT_16BIT,
             pSubmesh->indexData->indexCount,
             Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
     // Fill the index buffer with faces data
     if (use32BitIndexes)
     {
         Ogre::uint32* pIdx = static_cast<Ogre::uint32*>(
             pSubmesh->indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
         for (i=0; i<m_faces.size(); i++)
         {
             *pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[0]);
             *pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[1]);
             *pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[2]);
         }
         pSubmesh->indexData->indexBuffer->unlock();
     }
     else
     {
         Ogre::uint16* pIdx = static_cast<Ogre::uint16*>(
             pSubmesh->indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
         for (i=0; i<m_faces.size(); i++)
         {
             *pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[0]);
             *pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[1]);
             *pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[2]);
         }
         pSubmesh->indexData->indexBuffer->unlock();
     }
     // Define vertex declaration (only if we're not using shared geometry)
     if(!params.useSharedGeom)
     {
         Ogre::VertexDeclaration* pDecl = pSubmesh->vertexData->vertexDeclaration;
         unsigned buf = 0;
         size_t offset = 0;
         // Add vertex position
         pDecl->addElement(buf, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
         offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
         // Add vertex normal
         if (params.exportVertNorm)
         {
             pDecl->addElement(buf, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
             offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
         }
         // Add vertex colour
         if(params.exportVertCol)
         {
             pDecl->addElement(buf, offset, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
             offset += Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR);
         }
         // Add texture coordinates
         for (i=0; i<m_vertices[0].texcoords.size(); i++)
         {
             Ogre::VertexElementType uvType = Ogre::VertexElement::multiplyTypeCount(Ogre::VET_FLOAT1, 2);
             pDecl->addElement(buf, offset, uvType, Ogre::VES_TEXTURE_COORDINATES, static_cast<unsigned short>(i));
             offset += Ogre::VertexElement::getTypeSize(uvType);
         }
         Ogre::VertexDeclaration* pOptimalDecl = pDecl->getAutoOrganisedDeclaration(
             params.exportVBA, params.exportBlendShapes || params.exportVertAnims, false);
         // Fill the vertex buffer using the newly created vertex declaration
         stat = createOgreVertexBuffer(pSubmesh,pDecl,m_vertices);
         // Write vertex bone assignements list
         if (params.exportVBA)
         {
             // Create a new vertex bone assignements list
             Ogre::SubMesh::VertexBoneAssignmentList vbas;
             // Scan list of shared geometry vertices
             for (i=0; i<m_vertices.size(); i++)
             {
                 vertex v = m_vertices[i];
                 // Add all bone assignemnts for every vertex to the bone assignements list
                 for (j=0; j<v.vbas.size(); j++)
//.........这里部分代码省略.........

//.........这里部分代码省略.........

      for (uint32_t vert_index = 0; vert_index < n.num_verticies; ++vert_index) {
        const l2p::Vector &pos = m->points[m->vertexes[n.vert_pool + vert_index].vertex];
        const Ogre::Vector3 dist(ogre_cast(pos) - base);
        const Ogre::Vector2 tcoord((dist | uvec) / float(usize), (dist | vvec) / float(vsize));
        bounds += pos;
        vertex_data.push_back(pos.X);
        vertex_data.push_back(pos.Y);
        vertex_data.push_back(pos.Z);
        vertex_data.push_back(Normal.X);
        vertex_data.push_back(Normal.Y);
        vertex_data.push_back(Normal.Z);
        vertex_data.push_back(tcoord.x);
        vertex_data.push_back(tcoord.y);
      }

      if (s.flags & l2p::PF_TwoSided) {
        for (uint32_t vert_index = 0; vert_index < n.num_verticies; ++vert_index) {
          const l2p::Vector &pos = m->points[m->vertexes[n.vert_pool + vert_index].vertex];
          const Ogre::Vector3 dist(ogre_cast(pos) - base);
          const Ogre::Vector2 tcoord((dist | uvec) / float(usize), (dist | vvec) / float(vsize));
          vertex_data.push_back(pos.X);
          vertex_data.push_back(pos.Y);
          vertex_data.push_back(pos.Z);
          vertex_data.push_back(Normal.X);
          vertex_data.push_back(Normal.Y);
          vertex_data.push_back(-Normal.Z);
          vertex_data.push_back(tcoord.x);
          vertex_data.push_back(tcoord.y);
        }
      }
    }

    // Index buffer.
    for (int verti = 2; verti < n.num_verticies; ++verti) {
      index_buf.push_back(vert_start);
      index_buf.push_back(vert_start + verti - 1);
      index_buf.push_back(vert_start + verti);
    }
    if (s.flags & l2p::PF_TwoSided) {
      for (int verti = 2; verti < n.num_verticies; ++verti) {
        index_buf.push_back(vert_start);
        index_buf.push_back(vert_start + verti);
        index_buf.push_back(vert_start + verti - 1);
      }
    }
  }

  if (vertex_data.size() == 0 || index_buf.size() == 0)
    return nullptr;

  Ogre::MeshPtr mesh = Ogre::MeshManager::getSingleton().createManual(Ogre::String(name) + Ogre::String(m->name), "General");
  Ogre::VertexData  *data = new Ogre::VertexData();
  mesh->sharedVertexData = data;
  data->vertexCount = vertex_data.size() / 8;

  Ogre::VertexDeclaration *decl = data->vertexDeclaration;
  uint32_t offset = 0;
  decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
  offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
  decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
  offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
  decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
  offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);

  Ogre::HardwareVertexBufferSharedPtr vbuf =
    Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
      offset,
      data->vertexCount,
      Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
  vbuf->writeData(0, vbuf->getSizeInBytes(), &vertex_data.front(), true);
  data->vertexBufferBinding->setBinding(0, vbuf);

  // Setup index buffer.
  Ogre::HardwareIndexBufferSharedPtr ibuf =
    Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
      Ogre::HardwareIndexBuffer::IT_32BIT,
      index_buf.size(),
      Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);

  ibuf->writeData(0, ibuf->getSizeInBytes(), &index_buf.front(), true);
  Ogre::SubMesh *subMesh = mesh->createSubMesh();
  subMesh->useSharedVertices = true;
  subMesh->indexData->indexBuffer = ibuf;
  subMesh->indexData->indexCount  = index_buf.size();
  subMesh->indexData->indexStart  = 0;

  mesh->_setBounds(Ogre::AxisAlignedBox(bounds.min.X, bounds.min.Y, bounds.min.Z, bounds.max.X, bounds.max.Y, bounds.max.Z));
  mesh->_setBoundingSphereRadius((std::max(bounds.max.X - bounds.min.X, std::max(bounds.max.Y - bounds.min.Y, bounds.max.Z - bounds.min.Z))) / 2.0);

  mesh->load();

  Ogre::Entity *ent = mSceneMgr->createEntity(Ogre::String(name) + Ogre::String(m->name) + "E", Ogre::String(name) + Ogre::String(m->name));
  ent->setUserAny(Ogre::Any(static_cast<l2p::UObject*>(m.get())));
  ent->setMaterialName("StaticMesh/Default");
  Ogre::SceneNode *node = mUnrealCordNode->createChildSceneNode();
  node->attachObject(ent);

  return node;
}

void RoR::GfxEnvmap::SetupEnvMap()
{
    m_rtt_texture = Ogre::TextureManager::getSingleton().getByName("EnvironmentTexture");

    for (int face = 0; face < NUM_FACES; face++)
    {
        m_render_targets[face] = m_rtt_texture->getBuffer(face)->getRenderTarget();
        m_cameras[face] = gEnv->sceneManager->createCamera("EnvironmentCamera-" + TOSTRING(face));
        m_cameras[face]->setAspectRatio(1.0);
        m_cameras[face]->setProjectionType(Ogre::PT_PERSPECTIVE);
        m_cameras[face]->setFixedYawAxis(false);
        m_cameras[face]->setFOVy(Ogre::Degree(90));
        m_cameras[face]->setNearClipDistance(0.1f);
        m_cameras[face]->setFarClipDistance(gEnv->mainCamera->getFarClipDistance());

        Ogre::Viewport* v = m_render_targets[face]->addViewport(m_cameras[face]);
        v->setOverlaysEnabled(false);
        v->setClearEveryFrame(true);
        v->setBackgroundColour(gEnv->mainCamera->getViewport()->getBackgroundColour());
        m_render_targets[face]->setAutoUpdated(false);
    }

    m_cameras[0]->setDirection(+Ogre::Vector3::UNIT_X);
    m_cameras[1]->setDirection(-Ogre::Vector3::UNIT_X);
    m_cameras[2]->setDirection(+Ogre::Vector3::UNIT_Y);
    m_cameras[3]->setDirection(-Ogre::Vector3::UNIT_Y);
    m_cameras[4]->setDirection(-Ogre::Vector3::UNIT_Z);
    m_cameras[5]->setDirection(+Ogre::Vector3::UNIT_Z);

    if (App::diag_envmap.GetActive())
    {
        // create fancy mesh for debugging the envmap
        Ogre::Overlay* overlay = Ogre::OverlayManager::getSingleton().create("EnvMapDebugOverlay");
        if (overlay)
        {
            Ogre::Vector3 position = Ogre::Vector3::ZERO;
            float scale = 1.0f;

            Ogre::MeshPtr mesh = Ogre::MeshManager::getSingletonPtr()->createManual("cubeMapDebug", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
            // create sub mesh
            Ogre::SubMesh* sub = mesh->createSubMesh();

            // Initialize render operation
            sub->operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
            //
            sub->useSharedVertices = true;
            mesh->sharedVertexData = new Ogre::VertexData;
            sub->indexData = new Ogre::IndexData;

            // Create vertex declaration
            size_t offset = 0;
            mesh->sharedVertexData->vertexDeclaration->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
            offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
            mesh->sharedVertexData->vertexDeclaration->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_TEXTURE_COORDINATES);

            // Create and bind vertex buffer
            mesh->sharedVertexData->vertexCount = 14;
            Ogre::HardwareVertexBufferSharedPtr vertexBuffer =
                Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
                    mesh->sharedVertexData->vertexDeclaration->getVertexSize(0),
                    mesh->sharedVertexData->vertexCount,
                    Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
            mesh->sharedVertexData->vertexBufferBinding->setBinding(0, vertexBuffer);

            // Vertex data
            static const float vertexData[] = {
                // Position      Texture coordinates    // Index
                0.0, 2.0, -1.0, 1.0, 1.0, //  0
                0.0, 1.0, -1.0, -1.0, 1.0, //  1
                1.0, 2.0, -1.0, 1.0, -1.0, //  2
                1.0, 1.0, -1.0, -1.0, -1.0, //  3
                2.0, 2.0, 1.0, 1.0, -1.0, //  4
                2.0, 1.0, 1.0, -1.0, -1.0, //  5
                3.0, 2.0, 1.0, 1.0, 1.0, //  6
                3.0, 1.0, 1.0, -1.0, 1.0, //  7
                4.0, 2.0, -1.0, 1.0, 1.0, //  8
                4.0, 1.0, -1.0, -1.0, 1.0, //  9
                1.0, 3.0, -1.0, 1.0, 1.0, // 10
                2.0, 3.0, 1.0, 1.0, 1.0, // 11
                1.0, 0.0, -1.0, -1.0, 1.0, // 12
                2.0, 0.0, 1.0, -1.0, 1.0, // 13
            };

            // Fill vertex buffer
            float* pData = static_cast<float*>(vertexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
            for (size_t vertex = 0, i = 0; vertex < mesh->sharedVertexData->vertexCount; vertex++)
            {
                // Position
                *pData++ = position.x + scale * vertexData[i++];
                *pData++ = position.y + scale * vertexData[i++];
                *pData++ = 0.0;

                // Texture coordinates
                *pData++ = vertexData[i++];
                *pData++ = vertexData[i++];
                *pData++ = vertexData[i++];
            }
            vertexBuffer->unlock();

            // Create index buffer
//.........这里部分代码省略.........

void GeometryFactory::generateSphericDome (const Ogre::String &name, int segments, DomeType type) {
    // Return now if already exists
    if (Ogre::MeshManager::getSingleton ().resourceExists (name)) {
        return;
    }

    Ogre::LogManager::getSingleton ().logMessage (
        "Caelum: Creating " + name + " sphere mesh resource...");

    // Use the mesh manager to create the mesh
    Ogre::MeshPtr msh = Ogre::MeshManager::getSingleton ().createManual (name, RESOURCE_GROUP_NAME);
    // Create a submesh
    Ogre::SubMesh *sub = msh->createSubMesh ();

    // Create the shared vertex data
    Ogre::VertexData *vertexData = new Ogre::VertexData ();
    msh->sharedVertexData = vertexData;

    // Define the vertices' format
    Ogre::VertexDeclaration *vertexDecl = vertexData->vertexDeclaration;
    size_t currOffset = 0;
    // Position
    vertexDecl->addElement (0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
    currOffset += Ogre::VertexElement::getTypeSize (Ogre::VET_FLOAT3);
    // Normal
    vertexDecl->addElement (0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
    currOffset += Ogre::VertexElement::getTypeSize (Ogre::VET_FLOAT3);
    // Texture coordinates
    vertexDecl->addElement (0, currOffset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0);
    currOffset += Ogre::VertexElement::getTypeSize (Ogre::VET_FLOAT2);

    // Allocate the vertex buffer
    switch (type) {
    case DT_GRADIENTS:
        vertexData->vertexCount = segments * (segments - 1) + 2;
        break;
    case DT_STARFIELD:
        vertexData->vertexCount = (segments + 1) * (segments + 1);
        break;
    };
    Ogre::HardwareVertexBufferSharedPtr vBuf = Ogre::HardwareBufferManager::getSingleton ().createVertexBuffer (vertexDecl->getVertexSize (0), vertexData->vertexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
    Ogre::VertexBufferBinding *binding = vertexData->vertexBufferBinding;
    binding->setBinding (0, vBuf);

    float *pVertex = static_cast<float *>(vBuf->lock (Ogre::HardwareBuffer::HBL_DISCARD));

    // Allocate the index buffer
    switch (type) {
    case DT_GRADIENTS:
        sub->indexData->indexCount = 2 * segments * (segments - 1) * 3;
        break;
    case DT_STARFIELD:
        sub->indexData->indexCount = 2 * (segments - 1) * segments * 3;
        break;
    };
    sub->indexData->indexBuffer = Ogre::HardwareBufferManager::getSingleton ().createIndexBuffer (Ogre::HardwareIndexBuffer::IT_16BIT, sub->indexData->indexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
    Ogre::HardwareIndexBufferSharedPtr iBuf = sub->indexData->indexBuffer;
    unsigned short *pIndices = static_cast<unsigned short *>(iBuf->lock (Ogre::HardwareBuffer::HBL_DISCARD));

    // Fill the buffers
    switch (type) {
    case DT_GRADIENTS:
        fillGradientsDomeBuffers (pVertex, pIndices, segments);
        break;
    case DT_STARFIELD:
        fillStarfieldDomeBuffers (pVertex, pIndices, segments);
        break;
    };

    // Close the vertex buffer
    vBuf->unlock ();

    // Close the index buffer
    iBuf->unlock ();

    // Finishing it...
    sub->useSharedVertices = true;
    msh->_setBounds (Ogre::AxisAlignedBox (-1, -1, -1, 1, 1, 1), false);
    msh->_setBoundingSphereRadius (1);
    msh->load ();

    Ogre::LogManager::getSingleton ().logMessage (
        "Caelum: generateSphericDome DONE");
}

void BasicTutorial2::createColourCube()
{
    /// Create the mesh via the MeshManager
    Ogre::MeshPtr msh = MeshManager::getSingleton().createManual("ColourCube", "General");
 
    /// Create one submesh
    SubMesh* sub = msh->createSubMesh();
 
    const float sqrt13 = 0.577350269f; /* sqrt(1/3) */
 
    /// Define the vertices (8 vertices, each have 3 floats for position and 3 for normal)
    const size_t nVertices = 8;
    const size_t vbufCount = 3*2*nVertices;
    float vertices[vbufCount] = {
            -100.0,100.0,-100.0,        //0 position
            -sqrt13,sqrt13,-sqrt13,     //0 normal
            100.0,100.0,-100.0,         //1 position
            sqrt13,sqrt13,-sqrt13,      //1 normal
            100.0,-100.0,-100.0,        //2 position
            sqrt13,-sqrt13,-sqrt13,     //2 normal
            -100.0,-100.0,-100.0,       //3 position
            -sqrt13,-sqrt13,-sqrt13,    //3 normal
            -100.0,100.0,100.0,         //4 position
            -sqrt13,sqrt13,sqrt13,      //4 normal
            100.0,100.0,100.0,          //5 position
            sqrt13,sqrt13,sqrt13,       //5 normal
            100.0,-100.0,100.0,         //6 position
            sqrt13,-sqrt13,sqrt13,      //6 normal
            -100.0,-100.0,100.0,        //7 position
            -sqrt13,-sqrt13,sqrt13,     //7 normal
    };
 
    RenderSystem* rs = Root::getSingleton().getRenderSystem();
    RGBA colours[nVertices];
    RGBA *pColour = colours;
    // Use render system to convert colour value since colour packing varies
    rs->convertColourValue(ColourValue(1.0,0.0,0.0), pColour++); //0 colour
    rs->convertColourValue(ColourValue(1.0,1.0,0.0), pColour++); //1 colour
    rs->convertColourValue(ColourValue(0.0,1.0,0.0), pColour++); //2 colour
    rs->convertColourValue(ColourValue(0.0,0.0,0.0), pColour++); //3 colour
    rs->convertColourValue(ColourValue(1.0,0.0,1.0), pColour++); //4 colour
    rs->convertColourValue(ColourValue(1.0,1.0,1.0), pColour++); //5 colour
    rs->convertColourValue(ColourValue(0.0,1.0,1.0), pColour++); //6 colour
    rs->convertColourValue(ColourValue(0.0,0.0,1.0), pColour++); //7 colour
 
    /// Define 12 triangles (two triangles per cube face)
    /// The values in this table refer to vertices in the above table
    const size_t ibufCount = 36;
    unsigned short faces[ibufCount] = {
            0,2,3,
            0,1,2,
            1,6,2,
            1,5,6,
            4,6,5,
            4,7,6,
            0,7,4,
            0,3,7,
            0,5,1,
            0,4,5,
            2,7,3,
            2,6,7
    };
 
    /// Create vertex data structure for 8 vertices shared between submeshes
    msh->sharedVertexData = new VertexData();
    msh->sharedVertexData->vertexCount = nVertices;
 
    /// Create declaration (memory format) of vertex data
    VertexDeclaration* decl = msh->sharedVertexData->vertexDeclaration;
    size_t offset = 0;
    // 1st buffer
    decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
    offset += VertexElement::getTypeSize(VET_FLOAT3);
    decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
    offset += VertexElement::getTypeSize(VET_FLOAT3);
    /// Allocate vertex buffer of the requested number of vertices (vertexCount) 
    /// and bytes per vertex (offset)
    HardwareVertexBufferSharedPtr vbuf = 
        HardwareBufferManager::getSingleton().createVertexBuffer(
        offset, msh->sharedVertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
    /// Upload the vertex data to the card
    vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
 
    /// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
    VertexBufferBinding* bind = msh->sharedVertexData->vertexBufferBinding; 
    bind->setBinding(0, vbuf);
 
    // 2nd buffer
    offset = 0;
    decl->addElement(1, offset, VET_COLOUR, VES_DIFFUSE);
    offset += VertexElement::getTypeSize(VET_COLOUR);
    /// Allocate vertex buffer of the requested number of vertices (vertexCount) 
    /// and bytes per vertex (offset)
    vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
        offset, msh->sharedVertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
    /// Upload the vertex data to the card
    vbuf->writeData(0, vbuf->getSizeInBytes(), colours, true);
 
    /// Set vertex buffer binding so buffer 1 is bound to our colour buffer
    bind->setBinding(1, vbuf);
//.........这里部分代码省略.........

void TutorialApplication::createSphere(const std::string& strName, const float r, const int nRings, const int nSegments) {
	Ogre::MeshPtr pSphere = Ogre::MeshManager::getSingleton().createManual(Ogre::String(strName), Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
	Ogre::SubMesh *pSphereVertex = pSphere->createSubMesh();
 
	pSphere->sharedVertexData = new Ogre::VertexData();
	Ogre::VertexData* vertexData = pSphere->sharedVertexData;
 
	// define the vertex format
	Ogre::VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
	size_t currOffset = 0;
	// positions
	vertexDecl->addElement(0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
	currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
	// normals
	vertexDecl->addElement(0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
	currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
	// two dimensional texture coordinates
	vertexDecl->addElement(0, currOffset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0);
	currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
 
	// allocate the vertex buffer
	vertexData->vertexCount = (nRings + 1) * (nSegments+1);
	Ogre::HardwareVertexBufferSharedPtr vBuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
	Ogre::VertexBufferBinding* binding = vertexData->vertexBufferBinding;
	binding->setBinding(0, vBuf);
	float* pVertex = static_cast<float*>(vBuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
 
	// allocate index buffer
	pSphereVertex->indexData->indexCount = 6 * nRings * (nSegments + 1);
	pSphereVertex->indexData->indexBuffer = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, pSphereVertex->indexData->indexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
	Ogre::HardwareIndexBufferSharedPtr iBuf = pSphereVertex->indexData->indexBuffer;
	unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
 
	float fDeltaRingAngle = (Ogre::Math::PI / nRings);
	float fDeltaSegAngle = (2 * Ogre::Math::PI / nSegments);
	unsigned short wVerticeIndex = 0 ;
 
	// Generate the group of rings for the sphere
	for( int ring = 0; ring <= nRings; ring++ ) {
		float r0 = r * sinf (ring * fDeltaRingAngle);
		float y0 = r * cosf (ring * fDeltaRingAngle);
 
        // Generate the group of segments for the current ring
        for(int seg = 0; seg <= nSegments; seg++) {
			float x0 = r0 * sinf(seg * fDeltaSegAngle);
            float z0 = r0 * cosf(seg * fDeltaSegAngle);
 
            // Add one vertex to the strip which makes up the sphere
            *pVertex++ = x0;
            *pVertex++ = y0;
            *pVertex++ = z0;
 
            Ogre::Vector3 vNormal = Ogre::Vector3(x0, y0, z0).normalisedCopy();
            *pVertex++ = vNormal.x;
            *pVertex++ = vNormal.y;
            *pVertex++ = vNormal.z;
 
            *pVertex++ = (float) seg / (float) nSegments;
            *pVertex++ = (float) ring / (float) nRings;
 
            if (ring != nRings) {
				// each vertex (except the last) has six indices pointing to it
                *pIndices++ = wVerticeIndex + nSegments + 1;
                *pIndices++ = wVerticeIndex;               
                *pIndices++ = wVerticeIndex + nSegments;
                *pIndices++ = wVerticeIndex + nSegments + 1;
                *pIndices++ = wVerticeIndex + 1;
                *pIndices++ = wVerticeIndex;
                wVerticeIndex ++;
            }
        }; // end for seg
    } // end for ring
 
	// Unlock
	vBuf->unlock();
	iBuf->unlock();
	// Generate face list
	pSphereVertex->useSharedVertices = true;
 
    // the original code was missing this line:
    pSphere->_setBounds( Ogre::AxisAlignedBox( Ogre::Vector3(-r, -r, -r), Ogre::Vector3(r, r, r) ), false );
    pSphere->_setBoundingSphereRadius(r);
    // this line makes clear the mesh is loaded (avoids memory leaks)
    pSphere->load();
}

//.........这里部分代码省略.........
	texAliasList.insert(std::make_pair("Diffuse",texname));
	texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
	mat->applyTextureAliases(texAliasList);
	texAliasList.clear();

	mat = Ogre::MaterialManager::getSingleton().getByName("BankMat2");
	datalib->getData("GameData/BattleData/MapData/Ground/G1Tex",texname);
	texAliasList.insert(std::make_pair("Diffuse",texname));
	texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
	mat->applyTextureAliases(texAliasList);
	texAliasList.clear();

	mat = Ogre::MaterialManager::getSingleton().getByName("BankMat3");
	datalib->getData("GameData/BattleData/MapData/Ground/G2Tex",texname);
	texAliasList.insert(std::make_pair("Diffuse",texname));
	texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
	mat->applyTextureAliases(texAliasList);
	texAliasList.clear();

	mat = Ogre::MaterialManager::getSingleton().getByName("BankMat4");
	datalib->getData("GameData/BattleData/MapData/Ground/G3Tex",texname);
	texAliasList.insert(std::make_pair("Diffuse",texname));
	texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
	mat->applyTextureAliases(texAliasList);
	texAliasList.clear();

	//创建地面Mesh
	mTerrainNode = Core::getSingleton().mSceneMgr->getRootSceneNode()->createChildSceneNode("TerrainNode");

	int numVertices = terrainszie * terrainszie * VERTEX_QUAD;
	int numIndex = terrainszie * terrainszie * VERTEX_PREQUAD;
	Ogre::MeshPtr mTerrainMesh = Ogre::MeshManager::getSingleton().createManual("TerrianMesh",
		Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
	Ogre::SubMesh* subMesh  = mTerrainMesh->createSubMesh();
	subMesh->useSharedVertices=false;
	subMesh->setMaterialName("TerrainTile");

	// 创建顶点数据结构
	subMesh->vertexData = new Ogre::VertexData();
	subMesh->vertexData->vertexStart = 0;
	subMesh->vertexData->vertexCount = numVertices;

	//顶点声明与缓冲区绑定
	Ogre::VertexDeclaration* vdecl = subMesh->vertexData->vertexDeclaration;
	Ogre::VertexBufferBinding* vbind = subMesh->vertexData->vertexBufferBinding;

	//设置顶点数据结构
	size_t offsetUV = 0;
	vdecl->addElement(VERTEX_POS_BINDING, 0, Ogre::VET_FLOAT3,Ogre::VES_POSITION);//向顶点添加一个位置元素
	vdecl->addElement(VERTEX_NOM_BINDING, 0, Ogre::VET_FLOAT3,Ogre::VES_NORMAL);
	for(int i = 0 ; i < TEXTURE_COUNT ; i ++)
	{
		offsetUV += vdecl->addElement (VERTEX_UV_BINDING, offsetUV, Ogre::VET_FLOAT2,  Ogre::VES_TEXTURE_COORDINATES , i).getSize();
	}

	// 创建世界坐标顶点缓冲区
	Ogre::HardwareVertexBufferSharedPtr vbufPos =
		Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
		vdecl->getVertexSize(VERTEX_POS_BINDING),
		numVertices,
		Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
	vbind->setBinding(VERTEX_POS_BINDING, vbufPos);

	Ogre::HardwareVertexBufferSharedPtr vbufNOM =
		Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
		vdecl->getVertexSize(VERTEX_NOM_BINDING),