示例#1
0
文件: BaseMesh.cpp 项目: spinos/aphid
void BaseMesh::verbose() const
{
	std::cout<<"mesh status:\n";
	std::cout<<" num vertices "<<getNumVertices()<<"\n";
	std::cout<<" num polygons "<<getNumPolygons()<<"\n";
	
	std::map<unsigned, unsigned> faceCountList;
	for(unsigned i = 0; i < getNumPolygons(); i++) {
		if(faceCountList.find(m_polygonCounts[i]) == faceCountList.end()) faceCountList[m_polygonCounts[i]] = 1;
		else faceCountList[m_polygonCounts[i]] += 1;
	}
	
	std::map<unsigned, unsigned>::const_iterator it = faceCountList.begin();
	for(; it != faceCountList.end(); ++it) {
		std::clog<<"  "<<(*it).second<<" "<<(*it).first<<"-sided faces\n";
	}
	
	std::cout<<" num polygon face vertices "<<getNumPolygonFaceVertices()<<"\n";
	std::cout<<" num triangles "<<getNumTriangles()<<"\n";
	std::cout<<" num quads "<<numQuads()<<"\n";
	std::cout<<" num uvs "<<getNumUVs()<<"\n";
	std::cout<<" num uvs indices "<<getNumUVIds()<<"\n";
}
void GFXVertexList::GetPolys( GFXVertex **vert, int *numpolys, int *numtris )
{
    if (numVertices == 0) {
        *numpolys = 0;
        *numtris  = 0;
        *vert     = 0;
        return;
    }
    this->Map( true, false );
    void (*vtxcpy)( GFXVertexList *thus, GFXVertex *dst, int offset, int howmany );
    vtxcpy = (changed&HAS_COLOR)
             ? ( (changed&HAS_INDEX)
                ? ColIndVtxCopy
                : ColVtxCopy )
             : ( (changed&HAS_INDEX)
                ? IndVtxCopy
                : VtxCopy );
    //int offst = (changed&HAS_COLOR)?sizeof(GFXColorVertex):sizeof(GFXVertex);
    int i;
    int cur = 0;
    GFXVertex *res;
    *numtris  = numTris();
    *numpolys = *numtris+numQuads();
    int curtri  = 0;
    int curquad = 3*(*numtris);
    res   = (GFXVertex*) malloc( ( (*numtris)*3+4*( *numpolys-(*numtris) ) )*sizeof (GFXVertex) );
    *vert = res;
    for (i = 0; i < numlists; i++) {
        int j;
        switch (mode[i])
        {
        case GFXTRI:
            (*vtxcpy)(this, &res[curtri], cur, offsets[i]);
            curtri += offsets[i];
            break;
        case GFXTRIFAN:
        case GFXPOLY:
            for (j = 1; j < offsets[i]-1; j++) {
                (*vtxcpy)(this, &res[curtri++], cur, 1);
                (*vtxcpy)(this, &res[curtri++], (cur+j), 1);
                (*vtxcpy)(this, &res[curtri++], (cur+j+1), 1);
            }
            break;
        case GFXTRISTRIP:
            for (j = 2; j < offsets[i]; j += 2) {
                (*vtxcpy)(this, &res[curtri++], (cur+j-2), 1);
                (*vtxcpy)(this, &res[curtri++], (cur+j-1), 1);
                (*vtxcpy)(this, &res[curtri++], (cur+j), 1);
                if (j+1 < offsets[i]) {
                    //copy reverse
                    (*vtxcpy)(this, &res[curtri++], (cur+j), 1);
                    (*vtxcpy)(this, &res[curtri++], (cur+j-1), 1);
                    (*vtxcpy)(this, &res[curtri++], (cur+j+1), 1);
                }
            }
            break;
        case GFXQUAD:
            (*vtxcpy)(this, &res[curquad], (cur), offsets[i]);
            curquad += offsets[i];
            break;
        case GFXQUADSTRIP:
            for (j = 2; j < offsets[i]-1; j += 2) {
                (*vtxcpy)(this, &res[curquad++], (cur+j-2), 1);
                (*vtxcpy)(this, &res[curquad++], (cur+j-1), 1);
                (*vtxcpy)(this, &res[curquad++], (cur+j+1), 1);
                (*vtxcpy)(this, &res[curquad++], (cur+j), 1);
            }
            break;
        default:
            break;
        }
        cur += offsets[i];
    }
    this->UnMap();
}