/* translate shape from 3d world space to 2d screen space */ void translate_shape() { int d; MATRIX matrix; VTX *outpoint = current_points; QUAD *outface = current_faces; /* build a transformation matrix */ get_transformation_matrix(&matrix, itofix(1), shape.rx, shape.ry, shape.rz, shape.x, shape.y, shape.z); /* output the vertices */ for (d=0; d<NUM_VERTICES; d++) { apply_matrix(&matrix, points[d].x, points[d].y, points[d].z, &outpoint[d].x, &outpoint[d].y, &outpoint[d].z); persp_project(outpoint[d].x, outpoint[d].y, outpoint[d].z, &outpoint[d].x, &outpoint[d].y); } /* output the faces */ for (d=0; d<NUM_FACES; d++) { outface[d] = faces[d]; outface[d].vtxlist = outpoint; } outpoint += NUM_VERTICES; outface += NUM_FACES; }
static int get_hall_number_local( double origin_shift[3], double conv_lattice[3][3], Centering * centering, SPGCONST Cell * primitive, SPGCONST Symmetry * symmetry, const double symprec ) { int hall_number; double trans_mat[3][3]; Symmetry * conv_symmetry; *centering = get_transformation_matrix( trans_mat, symmetry ); mat_multiply_matrix_d3( conv_lattice, primitive->lattice, trans_mat ); conv_symmetry = get_conventional_symmetry( trans_mat, *centering, symmetry ); hall_number = hal_get_hall_symbol( origin_shift, *centering, conv_lattice, conv_symmetry, symprec ); sym_free_symmetry( conv_symmetry ); return hall_number; }
void FBXSceneImporter::read_mesh(FbxNode *pNode, FbxMesh* pMesh) { std::vector<Mesh::Vertex> vertices; std::vector<int> indices; //pMesh->GenerateTangentsDataForAllUVSets(); Mesh *new_mesh = new Mesh(); new_mesh->set_name(pNode->GetName()); int polygonCount = pMesh->GetPolygonCount(); FbxVector4* controlPoints = pMesh->GetControlPoints(); int controlPointCount = pMesh->GetControlPointsCount(); int vertexID = 0; for (int polygon = polygonCount - 1; polygon > -1; polygon--) { int polyVertCount = pMesh->GetPolygonSize(polygon); assert(polyVertCount == 3); for (int polyVert = 0; polyVert < polyVertCount; polyVert++) { Mesh::Vertex vertex; int cpIndex = pMesh->GetPolygonVertex(polygon, polyVert); // Grab our CP index as well our position information //uniqueVert.m_nControlPointIndex = cpIndex; vertex.position[0] = controlPoints[cpIndex].mData[0]; vertex.position[1] = controlPoints[cpIndex].mData[1]; vertex.position[2] = controlPoints[cpIndex].mData[2]; vertex.position[3] = 1; // Grab UVs int uvElementCount = pMesh->GetElementUVCount(); int ctrlPointIndex = pMesh->GetPolygonVertex(polygon, polyVert); for (int uvElement = 0; uvElement < uvElementCount; uvElement++) { FbxGeometryElementUV* geomElementUV = pMesh->GetElementUV(uvElement); FbxLayerElement::EMappingMode mapMode = geomElementUV->GetMappingMode(); FbxLayerElement::EReferenceMode refMode = geomElementUV->GetReferenceMode(); if (FbxGeometryElement::eByControlPoint == mapMode) { switch (geomElementUV->GetReferenceMode()) { case FbxGeometryElement::eDirect: { vertex.texture_coord.x = static_cast<float>(geomElementUV->GetDirectArray().GetAt(ctrlPointIndex).mData[0]); vertex.texture_coord.y = static_cast<float>(geomElementUV->GetDirectArray().GetAt(ctrlPointIndex).mData[1]); } break; case FbxGeometryElement::eIndexToDirect: { int index = geomElementUV->GetIndexArray().GetAt(ctrlPointIndex); vertex.texture_coord.x = static_cast<float>(geomElementUV->GetDirectArray().GetAt(index).mData[0]); vertex.texture_coord.y = static_cast<float>(geomElementUV->GetDirectArray().GetAt(index).mData[1]); } break; default: throw std::exception("Invalid Reference"); } } if (FbxGeometryElement::eByPolygonVertex == mapMode) { int directIndex = -1; if (FbxGeometryElement::eDirect == refMode) { directIndex = vertexID; } else if (FbxGeometryElement::eIndexToDirect == refMode) { directIndex = geomElementUV->GetIndexArray().GetAt(vertexID); } // If we got an index if (directIndex != -1) { FbxVector4 texture_coord = geomElementUV->GetDirectArray().GetAt(directIndex); vertex.texture_coord = D3DXVECTOR4((float)texture_coord.mData[0], (float)texture_coord.mData[1], 0, 0); } } } // Grab normals int normElementCount = pMesh->GetElementNormalCount(); for (int normalElement = 0; normalElement < normElementCount; normalElement++) { FbxGeometryElementNormal* geomElementNormal = pMesh->GetElementNormal(normalElement); FbxLayerElement::EMappingMode mapMode = geomElementNormal->GetMappingMode(); FbxLayerElement::EReferenceMode refMode = geomElementNormal->GetReferenceMode(); FbxVector4 fbxNormal; pMesh->GetPolygonVertexNormal(polygon, polyVert, fbxNormal); fbxNormal.Normalize(); vertex.normal = D3DXVECTOR4(fbxNormal.mData[0], fbxNormal.mData[1], fbxNormal.mData[2], 0); //if (FbxGeometryElement::eByControlPoint == mapMode) //{ // switch (geomElementNormal->GetReferenceMode()) // { // case FbxGeometryElement::eDirect: // { // vertex.normal.x = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(ctrlPointIndex).mData[0]); // vertex.normal.y = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(ctrlPointIndex).mData[1]); // vertex.normal.z = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(ctrlPointIndex).mData[2]); // D3DXVec4Normalize(&vertex.normal, &vertex.normal); // } // break; // // case FbxGeometryElement::eIndexToDirect: // { // int index = geomElementNormal->GetIndexArray().GetAt(ctrlPointIndex); // vertex.normal.x = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(index).mData[0]); // vertex.normal.y = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(index).mData[1]); // vertex.normal.z = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(index).mData[2]); // D3DXVec4Normalize(&vertex.normal, &vertex.normal); // } // break; // // default: // throw std::exception("Invalid Reference"); // } //} //if (FbxGeometryElement::eByPolygonVertex == mapMode) //{ // int directIndex = -1; // if (FbxGeometryElement::eDirect == refMode) // { // directIndex = vertexID; // } // else if (FbxGeometryElement::eIndexToDirect == refMode) // { // directIndex = geomElementNormal->GetIndexArray().GetAt(vertexID); // } // // // If we got an index // if (directIndex != -1) // { // FbxVector4 norm = geomElementNormal->GetDirectArray().GetAt(directIndex); // // D3DXVECTOR4 normal_final((float)norm.mData[0], (float)norm.mData[1], (float)norm.mData[2], 0); // D3DXVec4Normalize(&vertex.normal, &normal_final); // } //} } // grab tangents int tangentElementCount = pMesh->GetElementTangentCount(); for (int normalElement = 0; normalElement < tangentElementCount; normalElement++) { FbxGeometryElementTangent* geomElementTangent = pMesh->GetElementTangent(normalElement); FbxLayerElement::EMappingMode mapMode = geomElementTangent->GetMappingMode(); FbxLayerElement::EReferenceMode refMode = geomElementTangent->GetReferenceMode(); int directIndex = -1; if (FbxGeometryElement::eByPolygonVertex == mapMode) { if (FbxGeometryElement::eDirect == refMode) { directIndex = vertexID; } else if (FbxGeometryElement::eIndexToDirect == refMode) { directIndex = geomElementTangent->GetIndexArray().GetAt(vertexID); } } // If we got an index if (directIndex != 1) { FbxVector4 tangent = geomElementTangent->GetDirectArray().GetAt(directIndex); vertex.tangent = D3DXVECTOR4((float)tangent.mData[0], (float)tangent.mData[1], (float)tangent.mData[2], 0); } } size_t size = vertices.size(); size_t i = size; //for (i = 0; i < size; i++) //{ // if (vertex == vertices[i]) // { // break; // } //} // if (i == size) { vertices.push_back(vertex); } indices.push_back(i); ++vertexID; } //int cur_size = indices.size(); //int temp = indices[cur_size - 3]; //indices[cur_size - 3] = indices[cur_size - 1]; //indices[cur_size - 1] = temp; } int materialCount = pNode->GetSrcObjectCount<FbxSurfaceMaterial>(); new_mesh->create_from_buffers(vertices, indices); scene_to_fill->add_mesh(new_mesh); if (materialCount > 0) { FbxSurfaceMaterial* material = (FbxSurfaceMaterial*)pNode->GetSrcObject<FbxSurfaceMaterial>(0); new_mesh->set_material(read_material(pNode, material)); } get_transformation_matrix(pNode, new_mesh); cout << "Read mesh : " << new_mesh->get_name() << "\n"; }