daewgeometry.cpp

最新osg包

                            polylist->setCount( polylist->getCount() + nbPolygons);
                        }
                        break;
                    }
                }

                unsigned int indexBegin = drawArray->getFirst();
                unsigned int nbVerticesPerPoly=(indexEnd-indexBegin)/p.size();
                unsigned int indexPolyEnd = indexBegin+nbVerticesPerPoly;
                for( unsigned int iPoly = 0; iPoly < p.size(); ++iPoly )
                {
                    for (unsigned int vindex=indexBegin; vindex< indexPolyEnd;vindex++)
                    {

                       appendGeometryIndices(geom,p[iPoly],vindex,
                                     norm,color,
                                     verts,normals,colors,texcoords,
                                     ncount,ccount);

                       if ( vcount % primLength == 0 )
                       {
                         if ( geom->getNormalBinding() == osg::Geometry::BIND_PER_PRIMITIVE )
                         {
                           ncount++;
                         }
                         if ( geom->getColorBinding() == osg::Geometry::BIND_PER_PRIMITIVE )
                         {
                           ccount++;
                         }
                       }
                       vcount++;
                    }
                    indexBegin+=nbVerticesPerPoly;
                    indexPolyEnd+=nbVerticesPerPoly;
                }
                break;
            }
            //(primitive type) + (end1),(end2),(end3)...
            case osg::PrimitiveSet::DrawArrayLengthsPrimitiveType:
            {
                //osg::notify( osg::WARN ) << "DrawArrayLengths" << std::endl;

                osg::DrawArrayLengths* drawArrayLengths = static_cast<osg::DrawArrayLengths*>( ps );

                unsigned int vindex = drawArrayLengths->getFirst();
                for( osg::DrawArrayLengths::iterator primItr = drawArrayLengths->begin();
                    primItr != drawArrayLengths->end();
                    ++primItr )
                {
                    unsigned int localPrimLength;
                    if ( primLength == 0 ) localPrimLength = *primItr;
                    else localPrimLength = primLength;

                    std::vector<domP *> p;
                    switch ( mode )
                    {
                        case GL_LINES:
                        {
                            p.push_back(lines->getP());
                            lines->setCount( lines->getCount() + (*primItr)/localPrimLength );
                            break;
                        }
                        case GL_TRIANGLES:
                        {
                            p.push_back(tris->getP());
                            tris->setCount( tris->getCount() + (*primItr)/localPrimLength );
                            break;
                        }
                        case GL_LINE_STRIP:
                        {
                            p.push_back(daeSafeCast<domP>( linestrips->createAndPlace( COLLADA_ELEMENT_P ) ));
                            linestrips->setCount( linestrips->getCount() + 1 );
                            break;
                        }
                        case GL_TRIANGLE_STRIP:
                        {
                            p.push_back(daeSafeCast<domP>( tristrips->createAndPlace( COLLADA_ELEMENT_P ) ));
                            tristrips->setCount( tristrips->getCount() + 1 );
                            break;
                        }
                        case GL_TRIANGLE_FAN:
                        {
                            p.push_back(daeSafeCast<domP>( trifans->createAndPlace( COLLADA_ELEMENT_P ) ));
                            trifans->setCount( trifans->getCount() + 1 );
                            break;
                        }
                        default:           
                        {

                            if (usePolygons)
                            {
                                //for( unsigned int idx = 0; idx < nbPolygons; ++idx )
                                p.push_back(polys->getP_array()[0]);
                                polys->setCount( polys->getCount() + 1 );
                            }
                            else
                            {
                                polylist->getVcount()->getValue().append( localPrimLength );
                                p.push_back(polylist->getP());
                                polylist->setCount( polylist->getCount() + 1);
                            }
                            break;
                        }
                    }

                    unsigned int indexBegin = 0;
                    unsigned int nbVerticesPerPoly=*primItr/p.size();
                    unsigned int indexEnd=indexBegin+nbVerticesPerPoly;
                    for( unsigned int iPoly = 0; iPoly < p.size(); ++iPoly )
                    {
                       // printf("indexBegin %d,indexPolyEnd %d \n",indexBegin,indexEnd);
                       for( unsigned int primCount = indexBegin; primCount < indexEnd; ++primCount )
                        {
                          appendGeometryIndices(geom,p[iPoly],vindex,
                                           norm,color,
                                           verts,normals,colors,texcoords,
                                           ncount,ccount);
                          
                          if ( primCount % localPrimLength == 0 )
                                                  {
                             if ( geom->getNormalBinding() == osg::Geometry::BIND_PER_PRIMITIVE ) 
                             {
                                    ncount++;
                             }
                             if ( geom->getColorBinding() == osg::Geometry::BIND_PER_PRIMITIVE ) 
                             {
                                    ccount++;
                             }
                          }
                                             vindex++;
                       }
                       indexBegin+=nbVerticesPerPoly;
                       indexEnd+=nbVerticesPerPoly;
                       }
                }
                break;
            }

            //draw elements (array of shared vertices + array of indices)
           case osg::PrimitiveSet::DrawElementsUBytePrimitiveType:
                     {
                //osg::notify( osg::WARN ) << "DrawElementsUByte" << std::endl;

                if ( primLength == 0 ) primLength = ps->getNumIndices();

                osg::DrawElementsUByte* drawElements = static_cast<osg::DrawElementsUByte*>( ps );
                
                std::vector<domP *> p;
                switch ( mode )
                {
                    case GL_LINES:
                    {
                        p.push_back(lines->getP());
                        lines->setCount( lines->getCount() + drawElements->size()/primLength );
                        break;
                    }
                    case GL_TRIANGLES:
                    {
                        p.push_back(tris->getP());
                        tris->setCount( tris->getCount() + drawElements->size()/primLength );
                        break;
                    }
                    case GL_LINE_STRIP:
                    {
                        p.push_back(daeSafeCast<domP>( linestrips->createAndPlace( COLLADA_ELEMENT_P ) ));
                        linestrips->setCount( linestrips->getCount() + 1 );
                        break;
                    }
                    case GL_TRIANGLE_STRIP:
                    {
                        p.push_back(daeSafeCast<domP>( tristrips->createAndPlace( COLLADA_ELEMENT_P ) ));
                        tristrips->setCount( tristrips->getCount() + 1 );
                        break;
                    }
                    case GL_TRIANGLE_FAN:
                    {
                        p.push_back(daeSafeCast<domP>( trifans->createAndPlace( COLLADA_ELEMENT_P ) ));
                        trifans->setCount( trifans->getCount() + 1 );
                        break;
                    }
                    default:           
                    {
                        unsigned int nbPolygons=drawElements->size()/primLength;
                        if (usePolygons)
                        {
                            //for( unsigned int idx = 0; idx < nbPolygons; ++idx ) /*idx*/
                            //huh ? why only one ?
                            p.push_back(polys->getP_array()[0]);
                            polys->setCount( polys->getCount() + nbPolygons );
                        }
                        else
                        {
                            polylist->getVcount()->getValue().append( primLength );
                            p.push_back(polylist->getP());
                            polylist->setCount( polylist->getCount() + nbPolygons );
                        }
                        break;
                    }
                }


                unsigned int primCount = 0;
                osg::DrawElementsUByte::iterator primItrBegin = drawElements->begin();
                unsigned int nbVerticesPerPoly= drawElements->size()/p.size();
                osg::DrawElementsUByte::iterator primItrEnd=primItrBegin+nbVerticesPerPoly;
                for( unsigned int iPoly = 0; iPoly < p.size(); ++iPoly )
                {
                    for( osg::DrawElementsUByte::iterator primItr = primItrBegin;primItr != primItrEnd;
                    ++primCount, ++primItr )
                    {

                        unsigned int vindex = *primItr;
    
                        appendGeometryIndices(geom,p[iPoly],vindex,
                                              norm,color,
                                              verts,normals,colors,texcoords,
                                              ncount,ccount);
                        
                        if ( primCount % primLength == 0 )
                        {
                            if ( geom->getNormalBinding() == osg::Geometry::BIND_PER_PRIMITIVE )
                            {
                              ncount++;
                            }
                            if ( geom->getColorBinding() == osg::Geometry::BIND_PER_PRIMITIVE )
                            {
                              ccount++;
                            }
                        }
                    }

                    primItrBegin+=nbVerticesPerPoly;
#if ( _SECURE_SCL == 1 )
                    if (primItrBegin != drawElements->end())
#endif
                    primItrEnd+=nbVerticesPerPoly;
                }
                break;
            }
            case osg::PrimitiveSet::DrawElementsUShortPrimitiveType:
            {
                //osg::notify( osg::WARN ) << "DrawElementsUShort" << std::endl;
                if ( primLength == 0 ) primLength = ps->getNumIndices();

                osg::DrawElementsUShort* drawElements = static_cast<osg::DrawElementsUShort*>( ps );
                
                                std::vector<domP *> p;
                switch ( mode )
                {
                    case GL_LINES:
                    {
                        p.push_back(lines->getP());
                        lines->setCount( lines->getCount() + drawElements->size()/primLength );
                        break;
                    }
                    case GL_TRIANGLES:
                    {
                        p.push_back(tris->getP());
                        tris->setCount( tris->getCount() + drawElements->size()/primLength );
                        break;
                    }
                    case GL_LINE_STRIP:
                    {
                        p.push_back(daeSafeCast<domP>( linestrips->createAndPlace( COLLADA_ELEMENT_P ) ));
                        linestrips->setCount( linestrips->getCount() + 1 );
                        break;
                    }
                    case GL_TRIANGLE_STRIP:
                    {
                        p.push_back(daeSafeCast<domP>( tristrips->createAndPlace( COLLADA_ELEMENT_P ) ));
                        tristrips->setCount( tristrips->getCount() + 1 );
                        break;
                    }
                    case GL_TRIANGLE_FAN:
                    {
                        p.push_back(daeSafeCast<domP>( trifans->createAndPlace( COLLADA_ELEMENT_P ) ));
                        trifans->setCount( trifans->getCount() + 1 );
                        break;
                    }
                    default:           
                    {
                        unsigned int nbPolygons=drawElements->size()/primLength;
                        if (usePolygons)
                        {
                            //for( unsigned int idx = 0; idx < nbPolygons; ++idx ) /*idx*/
                            //huh ? why only one ?
                            p.push_back(polys->getP_array()[0]);
                            polys->setCount( polys->getCount() + nbPolygons );
                        }
                        else
                        {