void create_subdivided_face(int sdRes, int nV, double *uvs, double *itv, int Tidx, MFloatArray &uA, MFloatArray &vA, MIntArray &uvIdx) { HDS hds; hds.V.setDims(2, nV); memcpy(&hds.V.v[0], uvs, 2*nV*sizeof(double)); hds.nFV.setDims(1, 1); hds.nFV[0] = nV; hds.tip.setDims(1, nV); for (size_t k=0; k<nV; k++) { hds.tip[k] = k; } finalize_HDS(hds); size_t nHE = hds.nHE(), nIHE = hds.nIHE();⟵ hds.T.setDims(1, nHE); hds.itv.setDims(1, nHE); memset(&hds.T.v[0], 0, nHE*sizeof(bool)); if (nV==5) hds.T[Tidx] = 1; memcpy(&hds.itv.v[0], itv, nV*sizeof(double)); // border halfedge tags for (size_t k=nIHE; k<nHE; k++) { hds.itv[k] = hds.itv[hds.twin[k]]; } TCC_MAX::linear_subdivide(hds, sdRes); int sd_nV = hds.nV(); int sd_nIHE = hds.nIHE(); uA.setLength(sd_nV); vA.setLength(sd_nV); for (int k=0; k<sd_nV; k++) { uA[k] = hds.V[2*k+0]; vA[k] = hds.V[2*k+1]; } uvIdx.setLength(sd_nIHE); for (int k=0; k<sd_nIHE; k++) { uvIdx[k]=hds.tip[k]; } }
MStatus TCC::createSubdividedMesh(int sdRes, int sdRefRes, MFnMesh &srcMesh, TCCData &tccData, MDataHandle outMeshHandle, float lineThickness, MStatus& stat) { HDS hds; bool shouldCreateUVs = true; size_t nV = srcMesh.numVertices(); size_t nF = srcMesh.numPolygons(); size_t nIHE = tccData.F.length(); bool consistentSizes= (tccData.pole.length()==nV) && (tccData.T.length()==nIHE) && (tccData.itv.length()==nIHE) & (tccData.corner.length()==nV); if ((nV==0)||(nF==0)||(!consistentSizes)) return MS::kFailure; MFloatArray uArray, vArray, sc_uArray, sc_vArray; MIntArray uvIdx; if (shouldCreateUVs) { createUVset(tccData, sdRes, uArray, vArray, sc_uArray, sc_vArray, uvIdx, lineThickness); } MFloatPointArray points; srcMesh.getPoints(points); store_in_hds(hds, points, tccData.nFV, tccData.F); // convert to HDS finalize_HDS(hds); size_t nHE = hds.nHE(); hds.T.setDims(1, nHE); hds.itv.setDims(1, nHE); hds.corner.setDims(1, nV); // interior halfedge tags for (size_t k=0; k<nV; k++) { hds.corner[k] = tccData.corner[k]; } // interior halfedge tags for (size_t k=0; k<nIHE; k++) { hds.T[k] = tccData.T[k]; hds.itv[k] = tccData.itv[k]; } // border halfedge tags for (size_t k=nIHE; k<nHE; k++) { hds.T[k] = false; hds.itv[k] = hds.itv[hds.twin[k]]; } TCC_MAX::subdivide(hds, sdRes); if (sdRefRes>0) { HDS hds2; copy_HDS(hds, hds2); TCC_MAX::subdivide(hds2, sdRefRes); memcpy(&hds.V[0], &hds2.V[0], hds.V.size() * sizeof(double)); } MObject outMeshObj = outMeshHandle.asMesh(); MFnMesh outMeshFn(outMeshObj); // if no topology change necessary, just update points! if ( (outMeshFn.numFaceVertices() == hds.nIHE()) && (outMeshFn.numPolygons() == hds.nF()) ) { size_t nV = hds.nV(); points.setLength(nV); for (size_t k=0; k<nV; k++) { points[k](0) = hds.V[3*k+0]; points[k](1) = hds.V[3*k+1]; points[k](2) = hds.V[3*k+2]; } stat = outMeshFn.setPoints(points); McheckErr(stat, "ERROR creating outputData"); if (shouldCreateUVs) { MString uvSet = "UnitPatchUVs"; MString sc_uvSet = "ScaledPatchUVs"; stat = outMeshFn.setUVs(uArray, vArray, &uvSet); McheckErr(stat, "ERROR setting UVs"); stat = outMeshFn.setUVs(sc_uArray, sc_vArray, &sc_uvSet); McheckErr(stat, "ERROR setting UVs"); } return MS::kSuccess; } // Have to update connectivity and geometry load_from_hds(hds, points, tccData.nFV, tccData.F); nV = points.length(); nF = tccData.nFV.length(); MFnMeshData dataCreator; MObject newOutputData = dataCreator.create(&stat); McheckErr(stat, "ERROR creating outputData"); MFnMesh newOutMeshFn; MObject newMesh; newMesh = newOutMeshFn.create(nV, nF, points, tccData.nFV, tccData.F, newOutputData, &stat); McheckErr(stat, "ERROR in MFnMesh.create\n"); if (shouldCreateUVs) { MString uvSet = "UnitPatchUVs"; MString sc_uvSet = "ScaledPatchUVs"; uvSet = newOutMeshFn.createUVSetDataMeshWithName(uvSet, &stat); McheckErr(stat, "ERROR creating UVset"); stat = newOutMeshFn.clearUVs(&uvSet); stat = newOutMeshFn.setUVs(uArray, vArray, &uvSet); McheckErr(stat, "ERROR setting UVs"); stat = newOutMeshFn.assignUVs(tccData.nFV, uvIdx, &uvSet); McheckErr(stat, "ERROR assigning UVs"); sc_uvSet = newOutMeshFn.createUVSetDataMeshWithName(sc_uvSet, &stat); McheckErr(stat, "ERROR creating UVset"); stat = newOutMeshFn.clearUVs(&sc_uvSet); stat = newOutMeshFn.setUVs(sc_uArray, sc_vArray, &sc_uvSet); McheckErr(stat, "ERROR setting UVs"); stat = newOutMeshFn.assignUVs(tccData.nFV, uvIdx, &sc_uvSet); McheckErr(stat, "ERROR assigning UVs"); } if (stat == MS::kSuccess) { outMeshHandle.set(newOutputData); } return MS::kSuccess; }