C++ GeometryUnrecPtr::setIndex方法代码示例

//.........这里部分代码省略.........
                       // [...]
                       // Some faces contain texture coords and others do not.
                       // The old version did just skip this geometry.
                       // This version should continue if there's at least
                       // the vertex index
                       // I've seen the change in the maskIndex only after a smooth group,
                       // so it's perhaps smarter to not ignore the smooth group further up in this code
                       if( !(indexMask & 1) )
                       {
                         // if there are vertex indices there's no reason to get in here
                          FFATAL (( "IndexMask unmatch, can not create geo\n"));
                          meshIndexMask = 0;
                          break;
                       }
                       else
                       {
                         // consider the minimum similarities of mesh masks
                         meshIndexMask &= indexMask;
                       }
                    }
                }
            }
            else
            {
                FWARNING (("Mesh with empty faceList\n"));
            }

            // fill the geo properties
            if (meshIndexMask)
            {
                geoPtr->setPositions ( coordPtr );
                posIndexPtr = GeoUInt32Property::create();
                if(!isSingleIndex)
                    geoPtr->setIndex(posIndexPtr, Geometry::PositionsIndex);
                geoPtr->setLengths   ( lensPtr );
                geoPtr->setTypes     ( typePtr );

                if ( (meshIndexMask & 2) && texCoordPtr->size() > 0 )
                {
                    geoPtr->setTexCoords ( texCoordPtr );
                    texIndexPtr = GeoUInt32Property::create();
                    if(!isSingleIndex)
                        geoPtr->setIndex(texIndexPtr, Geometry::TexCoordsIndex);
                }
                else
                {
                    geoPtr->setTexCoords ( NULL );
                }

                if ( (meshIndexMask & 4) && normalPtr->size() > 0 )
                {
                    geoPtr->setNormals   ( normalPtr );
                    normalIndexPtr = GeoUInt32Property::create();
                    if(!isSingleIndex)
                        geoPtr->setIndex(normalIndexPtr, Geometry::NormalsIndex);
                }
                else
                {
                    geoPtr->setNormals   ( NULL );
                }

                if (meshI->mtlPtr == NULL)
                {
                    meshI->mtlPtr = SimpleTexturedMaterial::create();
                    meshI->mtlPtr->setDiffuse( Color3f( .8f, .8f, .8f ) );
                    meshI->mtlPtr->setSpecular( Color3f( 1.f, 1.f, 1.f ) );

NodeTransitPtr RAWSceneFileType::read(      std::istream &is, 
                                      const Char8        *,
                                            Resolver        ) const
{
    NodeTransitPtr              root;
    GeometryUnrecPtr            geo;
    GeoPnt3fPropertyUnrecPtr    points;
    GeoVec3fPropertyUnrecPtr    normals;
    GeoIntegralPropertyUnrecPtr index;
    GeoIntegralPropertyUnrecPtr lens;
    GeoIntegralPropertyUnrecPtr type;

    Vec3f vec[3];

    UInt32 i = 0, n, triCount = 0;

    Real32 x,y,z;

    if(is)
    {
        root = Node    ::create();
        geo  = Geometry::create();

        root->setCore( geo );

        points = GeoPnt3fProperty::create();

        geo->setPositions(points);

        normals = GeoVec3fProperty::create();

        geo->setNormals(normals);

        triCount = i = 0;


        while(1) 
        {
            is >> x >> y >> z;

            if(is.eof())
            {
                break;
            }
            else 
            {
                points->editFieldPtr()->push_back(Pnt3f(x, y, z));

                vec[i].setValues(x,y,z);

				std::cerr << x << " " << y << " " << z << std::endl;

                if(i == 2) 
                {
                    vec[0] -= vec[1];
                    vec[1] -= vec[2];
                    vec[0].crossThis(vec[1]);
                    vec[0].normalize();

                    normals->editFieldPtr()->push_back(vec[0]);
                    normals->editFieldPtr()->push_back(vec[0]);
                    normals->editFieldPtr()->push_back(vec[0]);

                    i = 0;
                    triCount++;
                }
                else
                {
                    i++;
                }
            }
        }

        if(triCount != 0)
        {
            index = GeoUInt32Property::create();

            geo->setIndex(index, Geometry::PositionsIndex);
            geo->setIndex(index, Geometry::NormalsIndex  );

            n = triCount * 3;

            for(i = 0; i < n; i++)
                index->push_back(i);



            lens = GeoUInt32Property::create();

            geo->setLengths(lens);

            lens->push_back(n);

            type = GeoUInt8Property::create();

            geo->setTypes(type);

            type->push_back(GL_TRIANGLES);
        }

//.........这里部分代码省略.........