forked from bartvdbraak/blender
bmesh api internal changes
- optimize BM_face_exists_overlap_subset(), dont check faces smaller then the vert array, don't initialize overlap flag unless its needed. - BM_face_exists_overlap had incorrect check (currently function is unused so no harm done)
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@ -1454,8 +1454,7 @@ BMEdge *BM_edge_find_double(BMEdge *e)
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* there is a face with exactly those vertices
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* (and only those vertices).
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*
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* \note there used to be a BM_face_exists_overlap function that checked for partial overlap,
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* however this is no longer used, simple to add back.
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* \note there used to be a BM_face_exists_overlap function that checks for partial overlap.
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*/
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bool BM_face_exists(BMVert **varr, int len, BMFace **r_existface)
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{
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@ -1690,11 +1689,15 @@ bool BM_face_exists_multi_edge(BMEdge **earr, int len)
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* Given a set of vertices (varr), find out if
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* all those vertices overlap an existing face.
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*
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* \return Success
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* \note The face may contain other verts \b not in \a varr.
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*
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* \note Its possible there are more then one overlapping faces,
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* in this case the first one found will be assigned to \a r_f_overlap.
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*
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* \param varr Array of unordered verts.
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* \param len \a varr array length.
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* \param r_f_overlap The overlapping face to return.
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* \return Success
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*/
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bool BM_face_exists_overlap(BMVert **varr, const int len, BMFace **r_f_overlap)
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@ -1721,7 +1724,7 @@ bool BM_face_exists_overlap(BMVert **varr, const int len, BMFace **r_f_overlap)
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for(i = 0; i < len; i++) {
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BM_ITER_ELEM (f, &viter, varr[i], BM_FACES_OF_VERT) {
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if (BM_ELEM_API_FLAG_TEST(f, _FLAG_OVERLAP) == 0) {
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if (len <= BM_verts_in_face(f, varr, len)) {
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if (len <= BM_verts_in_face_count(f, varr, len)) {
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if (r_f_overlap)
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*r_f_overlap = f;
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@ -1755,6 +1758,7 @@ bool BM_face_exists_overlap_subset(BMVert **varr, const int len)
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BMIter viter;
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BMFace *f;
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int i;
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bool is_init = false;
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bool is_overlap = false;
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LinkNode *f_lnk = NULL;
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@ -1768,15 +1772,19 @@ bool BM_face_exists_overlap_subset(BMVert **varr, const int len)
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}
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#endif
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for(i = 0; i < len; i++) {
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BM_ELEM_API_FLAG_ENABLE(varr[i], _FLAG_OVERLAP);
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}
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for(i = 0; i < len; i++) {
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BM_ITER_ELEM (f, &viter, varr[i], BM_FACES_OF_VERT) {
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if (BM_ELEM_API_FLAG_TEST(f, _FLAG_OVERLAP) == 0) {
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if ((f->len <= len) && (BM_ELEM_API_FLAG_TEST(f, _FLAG_OVERLAP) == 0)) {
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/* check if all vers in this face are flagged*/
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BMLoop *l_iter, *l_first;
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if (is_init == false) {
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is_init = true;
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for(i = 0; i < len; i++) {
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BM_ELEM_API_FLAG_ENABLE(varr[i], _FLAG_OVERLAP);
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}
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}
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l_iter = l_first = BM_FACE_FIRST_LOOP(f);
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is_overlap = true;
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do {
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@ -1796,8 +1804,10 @@ bool BM_face_exists_overlap_subset(BMVert **varr, const int len)
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}
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}
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for(i = 0; i < len; i++) {
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BM_ELEM_API_FLAG_DISABLE(varr[i], _FLAG_OVERLAP);
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if (is_init == true) {
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for(i = 0; i < len; i++) {
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BM_ELEM_API_FLAG_DISABLE(varr[i], _FLAG_OVERLAP);
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}
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}
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for (; f_lnk; f_lnk = f_lnk->next) {
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