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Diffstat (limited to 'source/blender/editors/transform/transform_convert_mesh.c')
-rw-r--r--source/blender/editors/transform/transform_convert_mesh.c1330
1 files changed, 769 insertions, 561 deletions
diff --git a/source/blender/editors/transform/transform_convert_mesh.c b/source/blender/editors/transform/transform_convert_mesh.c
index 93c36645873..422370cb13b 100644
--- a/source/blender/editors/transform/transform_convert_mesh.c
+++ b/source/blender/editors/transform/transform_convert_mesh.c
@@ -48,7 +48,637 @@
#include "transform_convert.h"
+/* -------------------------------------------------------------------- */
+/** \name Container TransCustomData Creation
+ * \{ */
+
+static void tc_mesh_customdata_free_fn(struct TransInfo *t,
+ struct TransDataContainer *tc,
+ struct TransCustomData *custom_data);
+
+struct TransCustomDataLayer;
+static void tc_mesh_customdatacorrect_free(struct TransCustomDataLayer *tcld);
+
+struct TransCustomDataMesh {
+ struct TransCustomDataLayer *cd_layer_correct;
+ struct {
+ struct BMPartialUpdate *cache;
+
+ /** The size of proportional editing used for `partial_update_cache`. */
+ float prop_size;
+ /** The size of proportional editing for the last update. */
+ float prop_size_prev;
+ } partial_update;
+};
+
+static struct TransCustomDataMesh *tc_mesh_customdata_ensure(TransDataContainer *tc)
+{
+ struct TransCustomDataMesh *tcmd = tc->custom.type.data;
+ BLI_assert(tc->custom.type.data == NULL ||
+ tc->custom.type.free_cb == tc_mesh_customdata_free_fn);
+ if (tc->custom.type.data == NULL) {
+ tc->custom.type.data = MEM_callocN(sizeof(struct TransCustomDataMesh), __func__);
+ tc->custom.type.free_cb = tc_mesh_customdata_free_fn;
+ tcmd = tc->custom.type.data;
+ }
+ return tcmd;
+}
+
+static void tc_mesh_customdata_free(struct TransCustomDataMesh *tcmd)
+{
+ if (tcmd->cd_layer_correct != NULL) {
+ tc_mesh_customdatacorrect_free(tcmd->cd_layer_correct);
+ }
+
+ if (tcmd->partial_update.cache != NULL) {
+ BM_mesh_partial_destroy(tcmd->partial_update.cache);
+ }
+
+ MEM_freeN(tcmd);
+}
+
+static void tc_mesh_customdata_free_fn(struct TransInfo *UNUSED(t),
+ struct TransDataContainer *UNUSED(tc),
+ struct TransCustomData *custom_data)
+{
+ struct TransCustomDataMesh *tcmd = custom_data->data;
+ tc_mesh_customdata_free(tcmd);
+ custom_data->data = NULL;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name CustomData TransCustomDataLayer Creation
+ * \{ */
+
+struct TransCustomDataMergeGroup {
+ /** map {BMVert: TransCustomDataLayerVert} */
+ struct LinkNode **cd_loop_groups;
+};
+
+struct TransCustomDataLayer {
+ BMesh *bm;
+ struct MemArena *arena;
+
+ struct GHash *origfaces;
+ struct BMesh *bm_origfaces;
+
+ /* Special handle for multi-resolution. */
+ int cd_loop_mdisp_offset;
+
+ /* Optionally merge custom-data groups (this keeps UVs connected for example). */
+ struct {
+ /** map {BMVert: TransDataBasic} */
+ struct GHash *origverts;
+ struct TransCustomDataMergeGroup *data;
+ int data_len;
+ /** Array size of 'layer_math_map_len'
+ * maps #TransCustomDataLayerVert.cd_group index to absolute #CustomData layer index */
+ int *customdatalayer_map;
+ /** Number of math BMLoop layers. */
+ int customdatalayer_map_len;
+ } merge_group;
+
+ bool use_merge_group;
+};
+
#define USE_FACE_SUBSTITUTE
+#ifdef USE_FACE_SUBSTITUTE
+# define FACE_SUBSTITUTE_INDEX INT_MIN
+
+/**
+ * Search for a neighboring face with area and preferably without selected vertex.
+ * Used to replace area-less faces in custom-data correction.
+ */
+static BMFace *tc_mesh_customdatacorrect_find_best_face_substitute(BMFace *f)
+{
+ BMFace *best_face = NULL;
+ BMLoop *l;
+ BMIter liter;
+ BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
+ BMLoop *l_radial_next = l->radial_next;
+ BMFace *f_test = l_radial_next->f;
+ if (f_test == f) {
+ continue;
+ }
+ if (is_zero_v3(f_test->no)) {
+ continue;
+ }
+
+ /* Check the loops edge isn't selected. */
+ if (!BM_elem_flag_test(l_radial_next->v, BM_ELEM_SELECT) &&
+ !BM_elem_flag_test(l_radial_next->next->v, BM_ELEM_SELECT)) {
+ /* Prefer edges with unselected vertices.
+ * Useful for extrude. */
+ best_face = f_test;
+ break;
+ }
+ if (best_face == NULL) {
+ best_face = f_test;
+ }
+ }
+ return best_face;
+}
+
+static void tc_mesh_customdatacorrect_face_substitute_set(struct TransCustomDataLayer *tcld,
+ BMFace *f,
+ BMFace *f_copy)
+{
+ BLI_assert(is_zero_v3(f->no));
+ BMesh *bm = tcld->bm;
+ /* It is impossible to calculate the loops weights of a face without area.
+ * Find a substitute. */
+ BMFace *f_substitute = tc_mesh_customdatacorrect_find_best_face_substitute(f);
+ if (f_substitute) {
+ /* Copy the custom-data from the substitute face. */
+ BMLoop *l_iter, *l_first;
+ l_iter = l_first = BM_FACE_FIRST_LOOP(f);
+ do {
+ BM_loop_interp_from_face(bm, l_iter, f_substitute, false, false);
+ } while ((l_iter = l_iter->next) != l_first);
+
+ /* Use the substitute face as the reference during the transformation. */
+ BMFace *f_substitute_copy = BM_face_copy(tcld->bm_origfaces, bm, f_substitute, true, true);
+
+ /* Hack: reference substitute face in `f_copy->no`.
+ * `tcld->origfaces` is already used to restore the initial value. */
+ BM_elem_index_set(f_copy, FACE_SUBSTITUTE_INDEX);
+ *((BMFace **)&f_copy->no[0]) = f_substitute_copy;
+ }
+}
+
+static BMFace *tc_mesh_customdatacorrect_face_substitute_get(BMFace *f_copy)
+{
+ BLI_assert(BM_elem_index_get(f_copy) == FACE_SUBSTITUTE_INDEX);
+ return *((BMFace **)&f_copy->no[0]);
+}
+
+#endif /* USE_FACE_SUBSTITUTE */
+
+static void tc_mesh_customdatacorrect_init_vert(struct TransCustomDataLayer *tcld,
+ struct TransDataBasic *td,
+ const int index)
+{
+ BMesh *bm = tcld->bm;
+ BMVert *v = td->extra;
+ BMIter liter;
+ int j, l_num;
+ float *loop_weights;
+
+ // BM_ITER_ELEM (l, &liter, sv->v, BM_LOOPS_OF_VERT) {
+ BM_iter_init(&liter, bm, BM_LOOPS_OF_VERT, v);
+ l_num = liter.count;
+ loop_weights = tcld->use_merge_group ? BLI_array_alloca(loop_weights, l_num) : NULL;
+ for (j = 0; j < l_num; j++) {
+ BMLoop *l = BM_iter_step(&liter);
+ BMLoop *l_prev, *l_next;
+
+ /* Generic custom-data correction. Copy face data. */
+ void **val_p;
+ if (!BLI_ghash_ensure_p(tcld->origfaces, l->f, &val_p)) {
+ BMFace *f_copy = BM_face_copy(tcld->bm_origfaces, bm, l->f, true, true);
+ *val_p = f_copy;
+#ifdef USE_FACE_SUBSTITUTE
+ if (is_zero_v3(l->f->no)) {
+ tc_mesh_customdatacorrect_face_substitute_set(tcld, l->f, f_copy);
+ }
+#endif
+ }
+
+ if (tcld->use_merge_group) {
+ if ((l_prev = BM_loop_find_prev_nodouble(l, l->next, FLT_EPSILON)) &&
+ (l_next = BM_loop_find_next_nodouble(l, l_prev, FLT_EPSILON))) {
+ loop_weights[j] = angle_v3v3v3(l_prev->v->co, l->v->co, l_next->v->co);
+ }
+ else {
+ loop_weights[j] = 0.0f;
+ }
+ }
+ }
+
+ if (tcld->use_merge_group) {
+ /* Store cd_loop_groups. */
+ struct TransCustomDataMergeGroup *merge_data = &tcld->merge_group.data[index];
+ if (l_num != 0) {
+ merge_data->cd_loop_groups = BLI_memarena_alloc(
+ tcld->arena, tcld->merge_group.customdatalayer_map_len * sizeof(void *));
+ for (j = 0; j < tcld->merge_group.customdatalayer_map_len; j++) {
+ const int layer_nr = tcld->merge_group.customdatalayer_map[j];
+ merge_data->cd_loop_groups[j] = BM_vert_loop_groups_data_layer_create(
+ bm, v, layer_nr, loop_weights, tcld->arena);
+ }
+ }
+ else {
+ merge_data->cd_loop_groups = NULL;
+ }
+
+ BLI_ghash_insert(tcld->merge_group.origverts, v, td);
+ }
+}
+
+static void tc_mesh_customdatacorrect_init_container_generic(TransDataContainer *UNUSED(tc),
+ struct TransCustomDataLayer *tcld)
+{
+ BMesh *bm = tcld->bm;
+
+ struct GHash *origfaces = BLI_ghash_ptr_new(__func__);
+ struct BMesh *bm_origfaces = BM_mesh_create(&bm_mesh_allocsize_default,
+ &((struct BMeshCreateParams){
+ .use_toolflags = false,
+ }));
+
+ /* We need to have matching loop custom-data. */
+ BM_mesh_copy_init_customdata_all_layers(bm_origfaces, bm, BM_LOOP, NULL);
+
+ tcld->origfaces = origfaces;
+ tcld->bm_origfaces = bm_origfaces;
+
+ bmesh_edit_begin(bm, BMO_OPTYPE_FLAG_UNTAN_MULTIRES);
+ tcld->cd_loop_mdisp_offset = CustomData_get_offset(&bm->ldata, CD_MDISPS);
+}
+
+static void tc_mesh_customdatacorrect_init_container_merge_group(TransDataContainer *tc,
+ struct TransCustomDataLayer *tcld)
+{
+ BMesh *bm = tcld->bm;
+ BLI_assert(CustomData_has_math(&bm->ldata));
+
+ /* TODO: We don't need `layer_math_map` when there are no loops linked
+ * to one of the sliding vertices. */
+
+ /* Over allocate, only 'math' layers are indexed. */
+ int *customdatalayer_map = MEM_mallocN(sizeof(int) * bm->ldata.totlayer, __func__);
+ int layer_math_map_len = 0;
+ for (int i = 0; i < bm->ldata.totlayer; i++) {
+ if (CustomData_layer_has_math(&bm->ldata, i)) {
+ customdatalayer_map[layer_math_map_len++] = i;
+ }
+ }
+ BLI_assert(layer_math_map_len != 0);
+
+ tcld->merge_group.data_len = tc->data_len + tc->data_mirror_len;
+ tcld->merge_group.customdatalayer_map = customdatalayer_map;
+ tcld->merge_group.customdatalayer_map_len = layer_math_map_len;
+ tcld->merge_group.origverts = BLI_ghash_ptr_new_ex(__func__, tcld->merge_group.data_len);
+ tcld->merge_group.data = BLI_memarena_alloc(
+ tcld->arena, tcld->merge_group.data_len * sizeof(*tcld->merge_group.data));
+}
+
+static struct TransCustomDataLayer *tc_mesh_customdatacorrect_create_impl(
+ TransDataContainer *tc, const bool use_merge_group)
+{
+ BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
+ BMesh *bm = em->bm;
+
+ if (bm->shapenr > 1) {
+ /* Don't do this at all for non-basis shape keys, too easy to
+ * accidentally break uv maps or vertex colors then */
+ /* create copies of faces for custom-data projection. */
+ return NULL;
+ }
+ if (!CustomData_has_math(&bm->ldata) && !CustomData_has_layer(&bm->ldata, CD_MDISPS)) {
+ /* There is no custom-data to correct. */
+ return NULL;
+ }
+
+ struct TransCustomDataLayer *tcld = MEM_callocN(sizeof(*tcld), __func__);
+ tcld->bm = bm;
+ tcld->arena = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, __func__);
+
+ /* Init `cd_loop_mdisp_offset` to -1 to avoid problems with a valid index. */
+ tcld->cd_loop_mdisp_offset = -1;
+ tcld->use_merge_group = use_merge_group;
+
+ tc_mesh_customdatacorrect_init_container_generic(tc, tcld);
+
+ if (tcld->use_merge_group) {
+ tc_mesh_customdatacorrect_init_container_merge_group(tc, tcld);
+ }
+
+ {
+ /* Setup Verts. */
+ int i = 0;
+
+ TransData *tob = tc->data;
+ for (int j = tc->data_len; j--; tob++, i++) {
+ tc_mesh_customdatacorrect_init_vert(tcld, (TransDataBasic *)tob, i);
+ }
+
+ TransDataMirror *td_mirror = tc->data_mirror;
+ for (int j = tc->data_mirror_len; j--; td_mirror++, i++) {
+ tc_mesh_customdatacorrect_init_vert(tcld, (TransDataBasic *)td_mirror, i);
+ }
+ }
+
+ return tcld;
+}
+
+static void tc_mesh_customdatacorrect_create(TransDataContainer *tc, const bool use_merge_group)
+{
+ struct TransCustomDataLayer *customdatacorrect;
+ customdatacorrect = tc_mesh_customdatacorrect_create_impl(tc, use_merge_group);
+
+ if (!customdatacorrect) {
+ return;
+ }
+
+ struct TransCustomDataMesh *tcmd = tc_mesh_customdata_ensure(tc);
+ BLI_assert(tcmd->cd_layer_correct == NULL);
+ tcmd->cd_layer_correct = customdatacorrect;
+}
+
+static void tc_mesh_customdatacorrect_free(struct TransCustomDataLayer *tcld)
+{
+ bmesh_edit_end(tcld->bm, BMO_OPTYPE_FLAG_UNTAN_MULTIRES);
+
+ if (tcld->bm_origfaces) {
+ BM_mesh_free(tcld->bm_origfaces);
+ }
+ if (tcld->origfaces) {
+ BLI_ghash_free(tcld->origfaces, NULL, NULL);
+ }
+ if (tcld->merge_group.origverts) {
+ BLI_ghash_free(tcld->merge_group.origverts, NULL, NULL);
+ }
+ if (tcld->arena) {
+ BLI_memarena_free(tcld->arena);
+ }
+ if (tcld->merge_group.customdatalayer_map) {
+ MEM_freeN(tcld->merge_group.customdatalayer_map);
+ }
+
+ MEM_freeN(tcld);
+}
+
+void transform_convert_mesh_customdatacorrect_init(TransInfo *t)
+{
+ bool use_merge_group = false;
+ if (ELEM(t->mode, TFM_EDGE_SLIDE, TFM_VERT_SLIDE)) {
+ if (!(t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT_SLIDE)) {
+ /* No custom-data correction. */
+ return;
+ }
+ use_merge_group = true;
+ }
+ else if (ELEM(t->mode,
+ TFM_TRANSLATION,
+ TFM_ROTATION,
+ TFM_RESIZE,
+ TFM_TOSPHERE,
+ TFM_SHEAR,
+ TFM_BEND,
+ TFM_SHRINKFATTEN,
+ TFM_TRACKBALL,
+ TFM_PUSHPULL,
+ TFM_ALIGN)) {
+ {
+ if (!(t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT)) {
+ /* No custom-data correction. */
+ return;
+ }
+ use_merge_group = (t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT_KEEP_CONNECTED) != 0;
+ }
+ }
+ else {
+ return;
+ }
+
+ FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+ if (tc->custom.type.data != NULL) {
+ struct TransCustomDataMesh *tcmd = tc->custom.type.data;
+ if (tcmd && tcmd->cd_layer_correct) {
+ tc_mesh_customdatacorrect_free(tcmd->cd_layer_correct);
+ tcmd->cd_layer_correct = NULL;
+ }
+ }
+
+ tc_mesh_customdatacorrect_create(tc, use_merge_group);
+ }
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name CustomData Layer Correction Apply
+ * \{ */
+
+/**
+ * If we're sliding the vert, return its original location, if not, the current location is good.
+ */
+static const float *tc_mesh_vert_orig_co_get(struct TransCustomDataLayer *tcld, BMVert *v)
+{
+ TransDataBasic *td = BLI_ghash_lookup(tcld->merge_group.origverts, v);
+ return td ? td->iloc : v->co;
+}
+
+static void tc_mesh_customdatacorrect_apply_vert(struct TransCustomDataLayer *tcld,
+ struct TransDataBasic *td,
+ struct TransCustomDataMergeGroup *merge_data,
+ bool do_loop_mdisps)
+{
+ BMesh *bm = tcld->bm;
+ BMVert *v = td->extra;
+ const float *co_orig_3d = td->iloc;
+
+ BMIter liter;
+ int j, l_num;
+ float *loop_weights;
+ const bool is_moved = (len_squared_v3v3(v->co, co_orig_3d) > FLT_EPSILON);
+ const bool do_loop_weight = is_moved && tcld->merge_group.customdatalayer_map_len;
+ const float *v_proj_axis = v->no;
+ /* original (l->prev, l, l->next) projections for each loop ('l' remains unchanged) */
+ float v_proj[3][3];
+
+ if (do_loop_weight) {
+ project_plane_normalized_v3_v3v3(v_proj[1], co_orig_3d, v_proj_axis);
+ }
+
+ // BM_ITER_ELEM (l, &liter, sv->v, BM_LOOPS_OF_VERT)
+ BM_iter_init(&liter, bm, BM_LOOPS_OF_VERT, v);
+ l_num = liter.count;
+ loop_weights = do_loop_weight ? BLI_array_alloca(loop_weights, l_num) : NULL;
+ for (j = 0; j < l_num; j++) {
+ BMFace *f_copy; /* the copy of 'f' */
+ BMLoop *l = BM_iter_step(&liter);
+
+ f_copy = BLI_ghash_lookup(tcld->origfaces, l->f);
+
+#ifdef USE_FACE_SUBSTITUTE
+ /* In some faces it is not possible to calculate interpolation,
+ * so we use a substitute. */
+ if (BM_elem_index_get(f_copy) == FACE_SUBSTITUTE_INDEX) {
+ f_copy = tc_mesh_customdatacorrect_face_substitute_get(f_copy);
+ }
+#endif
+
+ /* only loop data, no vertex data since that contains shape keys,
+ * and we do not want to mess up other shape keys */
+ BM_loop_interp_from_face(bm, l, f_copy, false, false);
+
+ /* weight the loop */
+ if (do_loop_weight) {
+ const float eps = 1.0e-8f;
+ const BMLoop *l_prev = l->prev;
+ const BMLoop *l_next = l->next;
+ const float *co_prev = tc_mesh_vert_orig_co_get(tcld, l_prev->v);
+ const float *co_next = tc_mesh_vert_orig_co_get(tcld, l_next->v);
+ bool co_prev_ok;
+ bool co_next_ok;
+
+ /* In the unlikely case that we're next to a zero length edge -
+ * walk around the to the next.
+ *
+ * Since we only need to check if the vertex is in this corner,
+ * its not important _which_ loop - as long as its not overlapping
+ * 'sv->co_orig_3d', see: T45096. */
+ project_plane_normalized_v3_v3v3(v_proj[0], co_prev, v_proj_axis);
+ while (UNLIKELY(((co_prev_ok = (len_squared_v3v3(v_proj[1], v_proj[0]) > eps)) == false) &&
+ ((l_prev = l_prev->prev) != l->next))) {
+ co_prev = tc_mesh_vert_orig_co_get(tcld, l_prev->v);
+ project_plane_normalized_v3_v3v3(v_proj[0], co_prev, v_proj_axis);
+ }
+ project_plane_normalized_v3_v3v3(v_proj[2], co_next, v_proj_axis);
+ while (UNLIKELY(((co_next_ok = (len_squared_v3v3(v_proj[1], v_proj[2]) > eps)) == false) &&
+ ((l_next = l_next->next) != l->prev))) {
+ co_next = tc_mesh_vert_orig_co_get(tcld, l_next->v);
+ project_plane_normalized_v3_v3v3(v_proj[2], co_next, v_proj_axis);
+ }
+
+ if (co_prev_ok && co_next_ok) {
+ const float dist = dist_signed_squared_to_corner_v3v3v3(
+ v->co, UNPACK3(v_proj), v_proj_axis);
+
+ loop_weights[j] = (dist >= 0.0f) ? 1.0f : ((dist <= -eps) ? 0.0f : (1.0f + (dist / eps)));
+ if (UNLIKELY(!isfinite(loop_weights[j]))) {
+ loop_weights[j] = 0.0f;
+ }
+ }
+ else {
+ loop_weights[j] = 0.0f;
+ }
+ }
+ }
+
+ if (tcld->use_merge_group) {
+ struct LinkNode **cd_loop_groups = merge_data->cd_loop_groups;
+ if (tcld->merge_group.customdatalayer_map_len && cd_loop_groups) {
+ if (do_loop_weight) {
+ for (j = 0; j < tcld->merge_group.customdatalayer_map_len; j++) {
+ BM_vert_loop_groups_data_layer_merge_weights(
+ bm, cd_loop_groups[j], tcld->merge_group.customdatalayer_map[j], loop_weights);
+ }
+ }
+ else {
+ for (j = 0; j < tcld->merge_group.customdatalayer_map_len; j++) {
+ BM_vert_loop_groups_data_layer_merge(
+ bm, cd_loop_groups[j], tcld->merge_group.customdatalayer_map[j]);
+ }
+ }
+ }
+ }
+
+ /* Special handling for multires
+ *
+ * Interpolate from every other loop (not ideal)
+ * However values will only be taken from loops which overlap other mdisps.
+ */
+ const bool update_loop_mdisps = is_moved && do_loop_mdisps && (tcld->cd_loop_mdisp_offset != -1);
+ if (update_loop_mdisps) {
+ float(*faces_center)[3] = BLI_array_alloca(faces_center, l_num);
+ BMLoop *l;
+
+ BM_ITER_ELEM_INDEX (l, &liter, v, BM_LOOPS_OF_VERT, j) {
+ BM_face_calc_center_median(l->f, faces_center[j]);
+ }
+
+ BM_ITER_ELEM_INDEX (l, &liter, v, BM_LOOPS_OF_VERT, j) {
+ BMFace *f_copy = BLI_ghash_lookup(tcld->origfaces, l->f);
+ float f_copy_center[3];
+ BMIter liter_other;
+ BMLoop *l_other;
+ int j_other;
+
+ BM_face_calc_center_median(f_copy, f_copy_center);
+
+ BM_ITER_ELEM_INDEX (l_other, &liter_other, v, BM_LOOPS_OF_VERT, j_other) {
+ BM_face_interp_multires_ex(bm,
+ l_other->f,
+ f_copy,
+ faces_center[j_other],
+ f_copy_center,
+ tcld->cd_loop_mdisp_offset);
+ }
+ }
+ }
+}
+
+static void tc_mesh_customdatacorrect_apply(TransDataContainer *tc, bool is_final)
+{
+ struct TransCustomDataMesh *tcmd = tc->custom.type.data;
+ struct TransCustomDataLayer *tcld = tcmd ? tcmd->cd_layer_correct : NULL;
+ if (tcld == NULL) {
+ return;
+ }
+ const bool use_merge_group = tcld->use_merge_group;
+
+ struct TransCustomDataMergeGroup *merge_data = tcld->merge_group.data;
+ TransData *tob = tc->data;
+ for (int i = tc->data_len; i--; tob++) {
+ tc_mesh_customdatacorrect_apply_vert(tcld, (TransDataBasic *)tob, merge_data, is_final);
+
+ if (use_merge_group) {
+ merge_data++;
+ }
+ }
+
+ TransDataMirror *td_mirror = tc->data_mirror;
+ for (int i = tc->data_mirror_len; i--; td_mirror++) {
+ tc_mesh_customdatacorrect_apply_vert(tcld, (TransDataBasic *)td_mirror, merge_data, is_final);
+
+ if (use_merge_group) {
+ merge_data++;
+ }
+ }
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name CustomData Layer Correction Restore
+ * \{ */
+
+static void tc_mesh_customdatacorrect_restore(struct TransInfo *t)
+{
+ FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+ struct TransCustomDataMesh *tcmd = tc->custom.type.data;
+ struct TransCustomDataLayer *tcld = tcmd ? tcmd->cd_layer_correct : NULL;
+ if (!tcld) {
+ continue;
+ }
+
+ BMesh *bm = tcld->bm;
+ BMesh *bm_copy = tcld->bm_origfaces;
+
+ GHashIterator gh_iter;
+ GHASH_ITER (gh_iter, tcld->origfaces) {
+ BMFace *f = BLI_ghashIterator_getKey(&gh_iter);
+ BMFace *f_copy = BLI_ghashIterator_getValue(&gh_iter);
+ BLI_assert(f->len == f_copy->len);
+
+ BMLoop *l_iter, *l_first, *l_copy;
+ l_iter = l_first = BM_FACE_FIRST_LOOP(f);
+ l_copy = BM_FACE_FIRST_LOOP(f_copy);
+ do {
+ /* TODO: Restore only the elements that transform. */
+ BM_elem_attrs_copy(bm_copy, bm, l_copy, l_iter);
+ l_copy = l_copy->next;
+ } while ((l_iter = l_iter->next) != l_first);
+ }
+ }
+}
+
+/** \} */
/* -------------------------------------------------------------------- */
/** \name Island Creation
@@ -384,6 +1014,14 @@ void transform_convert_mesh_connectivity_distance(struct BMesh *bm,
BMEdge *e;
BM_ITER_MESH (e, &eiter, bm, BM_EDGES_OF_MESH) {
+
+ /* Always clear to satisfy the assert, also predictable to leave in cleared state. */
+ BM_elem_flag_disable(e, tag_queued);
+
+ if (BM_elem_flag_test(e, BM_ELEM_HIDDEN)) {
+ continue;
+ }
+
BMVert *v1 = e->v1;
BMVert *v2 = e->v2;
int i1 = BM_elem_index_get(v1);
@@ -392,7 +1030,6 @@ void transform_convert_mesh_connectivity_distance(struct BMesh *bm,
if (dists[i1] != FLT_MAX || dists[i2] != FLT_MAX) {
BLI_LINKSTACK_PUSH(queue, e);
}
- BM_elem_flag_disable(e, tag_queued);
BM_elem_flag_set(e, tag_loose, bmesh_test_loose_edge(e));
}
}
@@ -420,6 +1057,7 @@ void transform_convert_mesh_connectivity_distance(struct BMesh *bm,
BMIter eiter;
BM_ITER_ELEM (e_other, &eiter, v2, BM_EDGES_OF_VERT) {
if (e_other != e && BM_elem_flag_test(e_other, tag_queued) == 0 &&
+ !BM_elem_flag_test(e_other, BM_ELEM_HIDDEN) &&
(BM_elem_flag_test(e, tag_loose) || BM_elem_flag_test(e_other, tag_loose))) {
BM_elem_flag_enable(e_other, tag_queued);
BLI_LINKSTACK_PUSH(queue_next, e_other);
@@ -433,6 +1071,11 @@ void transform_convert_mesh_connectivity_distance(struct BMesh *bm,
BMLoop *l;
BMIter liter;
BM_ITER_ELEM (l, &liter, e, BM_LOOPS_OF_EDGE) {
+ if (BM_elem_flag_test(l->f, BM_ELEM_HIDDEN)) {
+ continue;
+ }
+ /* Don't check hidden edges or vertices in this loop
+ * since any hidden edge causes the face to be hidden too. */
for (BMLoop *l_other = l->next->next; l_other != l; l_other = l_other->next) {
BMVert *v_other = l_other->v;
BLI_assert(!ELEM(v_other, v1, v2));
@@ -445,6 +1088,7 @@ void transform_convert_mesh_connectivity_distance(struct BMesh *bm,
BMIter eiter;
BM_ITER_ELEM (e_other, &eiter, v_other, BM_EDGES_OF_VERT) {
if (e_other != e && BM_elem_flag_test(e_other, tag_queued) == 0 &&
+ !BM_elem_flag_test(e_other, BM_ELEM_HIDDEN) &&
(BM_elem_flag_test(e_other, tag_loose) ||
dists[BM_elem_index_get(BM_edge_other_vert(e_other, v_other))] != FLT_MAX)) {
BM_elem_flag_enable(e_other, tag_queued);
@@ -727,10 +1371,10 @@ void transform_convert_mesh_crazyspace_free(struct TransMeshDataCrazySpace *r_cr
/** \name Edit Mesh Verts Transform Creation
* \{ */
-static void transdata_center_get(const struct TransIslandData *island_data,
- const int island_index,
- const float iloc[3],
- float r_center[3])
+static void tc_mesh_transdata_center_copy(const struct TransIslandData *island_data,
+ const int island_index,
+ const float iloc[3],
+ float r_center[3])
{
if (island_data->center && island_index != -1) {
copy_v3_v3(r_center, island_data->center[island_index]);
@@ -769,7 +1413,7 @@ static void VertsToTransData(TransInfo *t,
no = eve->no;
}
- transdata_center_get(island_data, island_index, td->iloc, td->center);
+ tc_mesh_transdata_center_copy(island_data, island_index, td->iloc, td->center);
if ((island_index != -1) && island_data->axismtx) {
copy_m3_m3(td->axismtx, island_data->axismtx[island_index]);
@@ -959,7 +1603,8 @@ void createTransEditVerts(TransInfo *t)
copy_v3_v3(td_mirror->iloc, eve->co);
td_mirror->flag = mirror_data.vert_map[a].flag;
td_mirror->loc_src = v_src->co;
- transdata_center_get(&island_data, island_index, td_mirror->iloc, td_mirror->center);
+ tc_mesh_transdata_center_copy(
+ &island_data, island_index, td_mirror->iloc, td_mirror->center);
td_mirror++;
}
@@ -1031,590 +1676,133 @@ void createTransEditVerts(TransInfo *t)
/** \} */
/* -------------------------------------------------------------------- */
-/** \name CustomData Layer Correction
+/** \name Recalc Mesh Data
* \{ */
-struct TransCustomDataMergeGroup {
- /** map {BMVert: TransCustomDataLayerVert} */
- struct LinkNode **cd_loop_groups;
-};
-
-struct TransCustomDataLayer {
- BMesh *bm;
- struct MemArena *arena;
-
- struct GHash *origfaces;
- struct BMesh *bm_origfaces;
-
- /* Special handle for multi-resolution. */
- int cd_loop_mdisp_offset;
-
- /* Optionally merge custom-data groups (this keeps UVs connected for example). */
- struct {
- /** map {BMVert: TransDataBasic} */
- struct GHash *origverts;
- struct TransCustomDataMergeGroup *data;
- int data_len;
- /** Array size of 'layer_math_map_len'
- * maps #TransCustomDataLayerVert.cd_group index to absolute #CustomData layer index */
- int *customdatalayer_map;
- /** Number of math BMLoop layers. */
- int customdatalayer_map_len;
- } merge_group;
-
- bool use_merge_group;
-};
-
-static void mesh_customdatacorrect_free_cb(struct TransInfo *UNUSED(t),
- struct TransDataContainer *UNUSED(tc),
- struct TransCustomData *custom_data)
+static bool bm_vert_tag_filter_fn(BMVert *v, void *UNUSED(user_data))
{
- struct TransCustomDataLayer *tcld = custom_data->data;
- bmesh_edit_end(tcld->bm, BMO_OPTYPE_FLAG_UNTAN_MULTIRES);
-
- if (tcld->bm_origfaces) {
- BM_mesh_free(tcld->bm_origfaces);
- }
- if (tcld->origfaces) {
- BLI_ghash_free(tcld->origfaces, NULL, NULL);
- }
- if (tcld->merge_group.origverts) {
- BLI_ghash_free(tcld->merge_group.origverts, NULL, NULL);
- }
- if (tcld->arena) {
- BLI_memarena_free(tcld->arena);
- }
- if (tcld->merge_group.customdatalayer_map) {
- MEM_freeN(tcld->merge_group.customdatalayer_map);
- }
-
- MEM_freeN(tcld);
- custom_data->data = NULL;
-}
-
-#ifdef USE_FACE_SUBSTITUTE
-
-# define FACE_SUBSTITUTE_INDEX INT_MIN
-
-/**
- * Search for a neighboring face with area and preferably without selected vertex.
- * Used to replace area-less faces in custom-data correction.
- */
-static BMFace *mesh_customdatacorrect_find_best_face_substitute(BMFace *f)
-{
- BMFace *best_face = NULL;
- BMLoop *l;
- BMIter liter;
- BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
- BMLoop *l_radial_next = l->radial_next;
- BMFace *f_test = l_radial_next->f;
- if (f_test == f) {
- continue;
- }
- if (is_zero_v3(f_test->no)) {
- continue;
- }
-
- /* Check the loops edge isn't selected. */
- if (!BM_elem_flag_test(l_radial_next->v, BM_ELEM_SELECT) &&
- !BM_elem_flag_test(l_radial_next->next->v, BM_ELEM_SELECT)) {
- /* Prefer edges with unselected vertices.
- * Useful for extrude. */
- best_face = f_test;
- break;
- }
- if (best_face == NULL) {
- best_face = f_test;
- }
- }
- return best_face;
-}
-
-static void mesh_customdatacorrect_face_substitute_set(struct TransCustomDataLayer *tcld,
- BMFace *f,
- BMFace *f_copy)
-{
- BLI_assert(is_zero_v3(f->no));
- BMesh *bm = tcld->bm;
- /* It is impossible to calculate the loops weights of a face without area.
- * Find a substitute. */
- BMFace *f_substitute = mesh_customdatacorrect_find_best_face_substitute(f);
- if (f_substitute) {
- /* Copy the custom-data from the substitute face. */
- BMLoop *l_iter, *l_first;
- l_iter = l_first = BM_FACE_FIRST_LOOP(f);
- do {
- BM_loop_interp_from_face(bm, l_iter, f_substitute, false, false);
- } while ((l_iter = l_iter->next) != l_first);
-
- /* Use the substitute face as the reference during the transformation. */
- BMFace *f_substitute_copy = BM_face_copy(tcld->bm_origfaces, bm, f_substitute, true, true);
-
- /* Hack: reference substitute face in `f_copy->no`.
- * `tcld->origfaces` is already used to restore the initial value. */
- BM_elem_index_set(f_copy, FACE_SUBSTITUTE_INDEX);
- *((BMFace **)&f_copy->no[0]) = f_substitute_copy;
- }
+ return BM_elem_flag_test(v, BM_ELEM_TAG);
}
-static BMFace *mesh_customdatacorrect_face_substitute_get(BMFace *f_copy)
+static BMPartialUpdate *tc_mesh_ensure_partial_update(TransInfo *t, TransDataContainer *tc)
{
- BLI_assert(BM_elem_index_get(f_copy) == FACE_SUBSTITUTE_INDEX);
- return *((BMFace **)&f_copy->no[0]);
-}
-
-#endif /* USE_FACE_SUBSTITUTE */
+ struct TransCustomDataMesh *tcmd = tc_mesh_customdata_ensure(tc);
-static void mesh_customdatacorrect_init_vert(struct TransCustomDataLayer *tcld,
- struct TransDataBasic *td,
- const int index)
-{
- BMesh *bm = tcld->bm;
- BMVert *v = td->extra;
- BMIter liter;
- int j, l_num;
- float *loop_weights;
+ if (tcmd->partial_update.cache) {
- // BM_ITER_ELEM (l, &liter, sv->v, BM_LOOPS_OF_VERT) {
- BM_iter_init(&liter, bm, BM_LOOPS_OF_VERT, v);
- l_num = liter.count;
- loop_weights = tcld->use_merge_group ? BLI_array_alloca(loop_weights, l_num) : NULL;
- for (j = 0; j < l_num; j++) {
- BMLoop *l = BM_iter_step(&liter);
- BMLoop *l_prev, *l_next;
+ /* Recalculate partial update data when the proportional editing size changes.
+ *
+ * Note that decreasing the proportional editing size requires the existing
+ * partial data is used before recreating this partial data at the smaller size.
+ * Since excluding geometry from being transformed requires an update.
+ *
+ * Extra logic is needed to account for this situation. */
- /* Generic custom-data correction. Copy face data. */
- void **val_p;
- if (!BLI_ghash_ensure_p(tcld->origfaces, l->f, &val_p)) {
- BMFace *f_copy = BM_face_copy(tcld->bm_origfaces, bm, l->f, true, true);
- *val_p = f_copy;
-#ifdef USE_FACE_SUBSTITUTE
- if (is_zero_v3(l->f->no)) {
- mesh_customdatacorrect_face_substitute_set(tcld, l->f, f_copy);
- }
-#endif
+ bool recalc;
+ if (tcmd->partial_update.prop_size_prev < t->prop_size) {
+ /* Size increase, simply recalculate. */
+ recalc = true;
}
-
- if (tcld->use_merge_group) {
- if ((l_prev = BM_loop_find_prev_nodouble(l, l->next, FLT_EPSILON)) &&
- (l_next = BM_loop_find_next_nodouble(l, l_prev, FLT_EPSILON))) {
- loop_weights[j] = angle_v3v3v3(l_prev->v->co, l->v->co, l_next->v->co);
- }
- else {
- loop_weights[j] = 0.0f;
- }
+ else if (tcmd->partial_update.prop_size_prev > t->prop_size) {
+ /* Size decreased, first use this partial data since reducing the size will transform
+ * geometry which needs recalculating. */
+ tcmd->partial_update.prop_size_prev = t->prop_size;
+ recalc = false;
}
- }
-
- if (tcld->use_merge_group) {
- /* Store cd_loop_groups. */
- struct TransCustomDataMergeGroup *merge_data = &tcld->merge_group.data[index];
- if (l_num != 0) {
- merge_data->cd_loop_groups = BLI_memarena_alloc(
- tcld->arena, tcld->merge_group.customdatalayer_map_len * sizeof(void *));
- for (j = 0; j < tcld->merge_group.customdatalayer_map_len; j++) {
- const int layer_nr = tcld->merge_group.customdatalayer_map[j];
- merge_data->cd_loop_groups[j] = BM_vert_loop_groups_data_layer_create(
- bm, v, layer_nr, loop_weights, tcld->arena);
- }
+ else if (tcmd->partial_update.prop_size != t->prop_size) {
+ BLI_assert(tcmd->partial_update.prop_size > tcmd->partial_update.prop_size_prev);
+ recalc = true;
}
else {
- merge_data->cd_loop_groups = NULL;
+ BLI_assert(t->prop_size == tcmd->partial_update.prop_size_prev);
+ recalc = false;
}
- BLI_ghash_insert(tcld->merge_group.origverts, v, td);
- }
-}
-
-static void mesh_customdatacorrect_init_container_generic(TransDataContainer *UNUSED(tc),
- struct TransCustomDataLayer *tcld)
-{
- BMesh *bm = tcld->bm;
-
- struct GHash *origfaces = BLI_ghash_ptr_new(__func__);
- struct BMesh *bm_origfaces = BM_mesh_create(&bm_mesh_allocsize_default,
- &((struct BMeshCreateParams){
- .use_toolflags = false,
- }));
-
- /* We need to have matching loop custom-data. */
- BM_mesh_copy_init_customdata_all_layers(bm_origfaces, bm, BM_LOOP, NULL);
-
- tcld->origfaces = origfaces;
- tcld->bm_origfaces = bm_origfaces;
-
- bmesh_edit_begin(bm, BMO_OPTYPE_FLAG_UNTAN_MULTIRES);
- tcld->cd_loop_mdisp_offset = CustomData_get_offset(&bm->ldata, CD_MDISPS);
-}
-
-static void mesh_customdatacorrect_init_container_merge_group(TransDataContainer *tc,
- struct TransCustomDataLayer *tcld)
-{
- BMesh *bm = tcld->bm;
- BLI_assert(CustomData_has_math(&bm->ldata));
-
- /* TODO: We don't need `layer_math_map` when there are no loops linked
- * to one of the sliding vertices. */
-
- /* Over allocate, only 'math' layers are indexed. */
- int *customdatalayer_map = MEM_mallocN(sizeof(int) * bm->ldata.totlayer, __func__);
- int layer_math_map_len = 0;
- for (int i = 0; i < bm->ldata.totlayer; i++) {
- if (CustomData_layer_has_math(&bm->ldata, i)) {
- customdatalayer_map[layer_math_map_len++] = i;
+ if (!recalc) {
+ return tcmd->partial_update.cache;
}
- }
- BLI_assert(layer_math_map_len != 0);
-
- tcld->merge_group.data_len = tc->data_len + tc->data_mirror_len;
- tcld->merge_group.customdatalayer_map = customdatalayer_map;
- tcld->merge_group.customdatalayer_map_len = layer_math_map_len;
- tcld->merge_group.origverts = BLI_ghash_ptr_new_ex(__func__, tcld->merge_group.data_len);
- tcld->merge_group.data = BLI_memarena_alloc(
- tcld->arena, tcld->merge_group.data_len * sizeof(*tcld->merge_group.data));
-}
-static void mesh_customdatacorrect_init_container(TransDataContainer *tc,
- const bool use_merge_group)
-{
- if (tc->custom.type.data) {
- /* The custom-data correction has been initiated before.
- * Free since some modes have different settings. */
- mesh_customdatacorrect_free_cb(NULL, tc, &tc->custom.type);
+ BM_mesh_partial_destroy(tcmd->partial_update.cache);
+ tcmd->partial_update.cache = NULL;
}
BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
- BMesh *bm = em->bm;
- if (bm->shapenr > 1) {
- /* Don't do this at all for non-basis shape keys, too easy to
- * accidentally break uv maps or vertex colors then */
- /* create copies of faces for custom-data projection. */
- return;
- }
- if (!CustomData_has_math(&bm->ldata) && !CustomData_has_layer(&bm->ldata, CD_MDISPS)) {
- /* There is no custom-data to correct. */
- return;
- }
+ BM_mesh_elem_hflag_disable_all(em->bm, BM_VERT, BM_ELEM_TAG, false);
- struct TransCustomDataLayer *tcld = MEM_callocN(sizeof(*tcld), __func__);
- tcld->bm = bm;
- tcld->arena = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, __func__);
-
- /* Init `cd_loop_mdisp_offset` to -1 to avoid problems with a valid index. */
- tcld->cd_loop_mdisp_offset = -1;
- tcld->use_merge_group = use_merge_group;
-
- mesh_customdatacorrect_init_container_generic(tc, tcld);
-
- if (tcld->use_merge_group) {
- mesh_customdatacorrect_init_container_merge_group(tc, tcld);
- }
-
- {
- /* Setup Verts. */
- int i = 0;
-
- TransData *tob = tc->data;
- for (int j = tc->data_len; j--; tob++, i++) {
- mesh_customdatacorrect_init_vert(tcld, (TransDataBasic *)tob, i);
- }
-
- TransDataMirror *td_mirror = tc->data_mirror;
- for (int j = tc->data_mirror_len; j--; td_mirror++, i++) {
- mesh_customdatacorrect_init_vert(tcld, (TransDataBasic *)td_mirror, i);
+ int verts_len = 0;
+ int i;
+ TransData *td;
+ for (i = 0, td = tc->data; i < tc->data_len; i++, td++) {
+ if (td->factor != 0.0f) {
+ BMVert *v = (BMVert *)td->extra;
+ BM_elem_flag_enable(v, BM_ELEM_TAG);
+ verts_len += 1;
}
}
- tc->custom.type.data = tcld;
- tc->custom.type.free_cb = mesh_customdatacorrect_free_cb;
-}
+ TransDataMirror *td_mirror = tc->data_mirror;
+ for (i = 0; i < tc->data_mirror_len; i++, td_mirror++) {
+ BMVert *v_mirr = (BMVert *)POINTER_OFFSET(td_mirror->loc_src, -offsetof(BMVert, co));
-void mesh_customdatacorrect_init(TransInfo *t)
-{
- bool use_merge_group = false;
- if (ELEM(t->mode, TFM_EDGE_SLIDE, TFM_VERT_SLIDE)) {
- if (!(t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT_SLIDE)) {
- /* No custom-data correction. */
- return;
- }
- use_merge_group = true;
- }
- else if (ELEM(t->mode,
- TFM_TRANSLATION,
- TFM_ROTATION,
- TFM_RESIZE,
- TFM_TOSPHERE,
- TFM_SHEAR,
- TFM_BEND,
- TFM_SHRINKFATTEN,
- TFM_TRACKBALL,
- TFM_PUSHPULL,
- TFM_ALIGN)) {
- {
- if (!(t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT)) {
- /* No custom-data correction. */
- return;
- }
- use_merge_group = (t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT_KEEP_CONNECTED) != 0;
+ /* The equality check is to account for the case when topology mirror moves
+ * the vertex from it's original location to match it's symmetrical position,
+ * with proportional editing enabled. */
+ if (BM_elem_flag_test(v_mirr, BM_ELEM_TAG) || !equals_v3v3(td_mirror->loc, td_mirror->iloc)) {
+ BMVert *v_mirr_other = (BMVert *)td_mirror->extra;
+ /* This assert should never fail since there is no overlap
+ * between mirrored vertices and non-mirrored. */
+ BLI_assert(!BM_elem_flag_test(v_mirr_other, BM_ELEM_TAG));
+ BM_elem_flag_enable(v_mirr_other, BM_ELEM_TAG);
+ verts_len += 1;
}
}
- else {
- return;
- }
- FOREACH_TRANS_DATA_CONTAINER (t, tc) {
- mesh_customdatacorrect_init_container(tc, use_merge_group);
- }
-}
+ tcmd->partial_update.cache = BM_mesh_partial_create_from_verts(em->bm,
+ &(BMPartialUpdate_Params){
+ .do_tessellate = true,
+ .do_normals = true,
+ },
+ verts_len,
+ bm_vert_tag_filter_fn,
+ NULL);
-/**
- * If we're sliding the vert, return its original location, if not, the current location is good.
- */
-static const float *trans_vert_orig_co_get(struct TransCustomDataLayer *tcld, BMVert *v)
-{
- TransDataBasic *td = BLI_ghash_lookup(tcld->merge_group.origverts, v);
- return td ? td->iloc : v->co;
+ tcmd->partial_update.prop_size_prev = t->prop_size;
+ tcmd->partial_update.prop_size = t->prop_size;
+
+ return tcmd->partial_update.cache;
}
-static void mesh_customdatacorrect_apply_vert(struct TransCustomDataLayer *tcld,
- struct TransDataBasic *td,
- struct TransCustomDataMergeGroup *merge_data,
- bool do_loop_mdisps)
+static void tc_mesh_transdata_mirror_apply(TransDataContainer *tc)
{
- BMesh *bm = tcld->bm;
- BMVert *v = td->extra;
- const float *co_orig_3d = td->iloc;
-
- BMIter liter;
- int j, l_num;
- float *loop_weights;
- const bool is_moved = (len_squared_v3v3(v->co, co_orig_3d) > FLT_EPSILON);
- const bool do_loop_weight = is_moved && tcld->merge_group.customdatalayer_map_len;
- const float *v_proj_axis = v->no;
- /* original (l->prev, l, l->next) projections for each loop ('l' remains unchanged) */
- float v_proj[3][3];
-
- if (do_loop_weight) {
- project_plane_normalized_v3_v3v3(v_proj[1], co_orig_3d, v_proj_axis);
- }
-
- // BM_ITER_ELEM (l, &liter, sv->v, BM_LOOPS_OF_VERT)
- BM_iter_init(&liter, bm, BM_LOOPS_OF_VERT, v);
- l_num = liter.count;
- loop_weights = do_loop_weight ? BLI_array_alloca(loop_weights, l_num) : NULL;
- for (j = 0; j < l_num; j++) {
- BMFace *f_copy; /* the copy of 'f' */
- BMLoop *l = BM_iter_step(&liter);
-
- f_copy = BLI_ghash_lookup(tcld->origfaces, l->f);
-
-#ifdef USE_FACE_SUBSTITUTE
- /* In some faces it is not possible to calculate interpolation,
- * so we use a substitute. */
- if (BM_elem_index_get(f_copy) == FACE_SUBSTITUTE_INDEX) {
- f_copy = mesh_customdatacorrect_face_substitute_get(f_copy);
- }
-#endif
-
- /* only loop data, no vertex data since that contains shape keys,
- * and we do not want to mess up other shape keys */
- BM_loop_interp_from_face(bm, l, f_copy, false, false);
-
- /* weight the loop */
- if (do_loop_weight) {
- const float eps = 1.0e-8f;
- const BMLoop *l_prev = l->prev;
- const BMLoop *l_next = l->next;
- const float *co_prev = trans_vert_orig_co_get(tcld, l_prev->v);
- const float *co_next = trans_vert_orig_co_get(tcld, l_next->v);
- bool co_prev_ok;
- bool co_next_ok;
-
- /* In the unlikely case that we're next to a zero length edge -
- * walk around the to the next.
- *
- * Since we only need to check if the vertex is in this corner,
- * its not important _which_ loop - as long as its not overlapping
- * 'sv->co_orig_3d', see: T45096. */
- project_plane_normalized_v3_v3v3(v_proj[0], co_prev, v_proj_axis);
- while (UNLIKELY(((co_prev_ok = (len_squared_v3v3(v_proj[1], v_proj[0]) > eps)) == false) &&
- ((l_prev = l_prev->prev) != l->next))) {
- co_prev = trans_vert_orig_co_get(tcld, l_prev->v);
- project_plane_normalized_v3_v3v3(v_proj[0], co_prev, v_proj_axis);
- }
- project_plane_normalized_v3_v3v3(v_proj[2], co_next, v_proj_axis);
- while (UNLIKELY(((co_next_ok = (len_squared_v3v3(v_proj[1], v_proj[2]) > eps)) == false) &&
- ((l_next = l_next->next) != l->prev))) {
- co_next = trans_vert_orig_co_get(tcld, l_next->v);
- project_plane_normalized_v3_v3v3(v_proj[2], co_next, v_proj_axis);
- }
-
- if (co_prev_ok && co_next_ok) {
- const float dist = dist_signed_squared_to_corner_v3v3v3(
- v->co, UNPACK3(v_proj), v_proj_axis);
-
- loop_weights[j] = (dist >= 0.0f) ? 1.0f : ((dist <= -eps) ? 0.0f : (1.0f + (dist / eps)));
- if (UNLIKELY(!isfinite(loop_weights[j]))) {
- loop_weights[j] = 0.0f;
+ if (tc->use_mirror_axis_any) {
+ int i;
+ TransData *td;
+ for (i = 0, td = tc->data; i < tc->data_len; i++, td++) {
+ if (td->flag & (TD_MIRROR_EDGE_X | TD_MIRROR_EDGE_Y | TD_MIRROR_EDGE_Z)) {
+ if (td->flag & TD_MIRROR_EDGE_X) {
+ td->loc[0] = 0.0f;
}
- }
- else {
- loop_weights[j] = 0.0f;
- }
- }
- }
-
- if (tcld->use_merge_group) {
- struct LinkNode **cd_loop_groups = merge_data->cd_loop_groups;
- if (tcld->merge_group.customdatalayer_map_len && cd_loop_groups) {
- if (do_loop_weight) {
- for (j = 0; j < tcld->merge_group.customdatalayer_map_len; j++) {
- BM_vert_loop_groups_data_layer_merge_weights(
- bm, cd_loop_groups[j], tcld->merge_group.customdatalayer_map[j], loop_weights);
+ if (td->flag & TD_MIRROR_EDGE_Y) {
+ td->loc[1] = 0.0f;
}
- }
- else {
- for (j = 0; j < tcld->merge_group.customdatalayer_map_len; j++) {
- BM_vert_loop_groups_data_layer_merge(
- bm, cd_loop_groups[j], tcld->merge_group.customdatalayer_map[j]);
+ if (td->flag & TD_MIRROR_EDGE_Z) {
+ td->loc[2] = 0.0f;
}
}
}
- }
-
- /* Special handling for multires
- *
- * Interpolate from every other loop (not ideal)
- * However values will only be taken from loops which overlap other mdisps.
- */
- const bool update_loop_mdisps = is_moved && do_loop_mdisps && (tcld->cd_loop_mdisp_offset != -1);
- if (update_loop_mdisps) {
- float(*faces_center)[3] = BLI_array_alloca(faces_center, l_num);
- BMLoop *l;
-
- BM_ITER_ELEM_INDEX (l, &liter, v, BM_LOOPS_OF_VERT, j) {
- BM_face_calc_center_median(l->f, faces_center[j]);
- }
-
- BM_ITER_ELEM_INDEX (l, &liter, v, BM_LOOPS_OF_VERT, j) {
- BMFace *f_copy = BLI_ghash_lookup(tcld->origfaces, l->f);
- float f_copy_center[3];
- BMIter liter_other;
- BMLoop *l_other;
- int j_other;
-
- BM_face_calc_center_median(f_copy, f_copy_center);
-
- BM_ITER_ELEM_INDEX (l_other, &liter_other, v, BM_LOOPS_OF_VERT, j_other) {
- BM_face_interp_multires_ex(bm,
- l_other->f,
- f_copy,
- faces_center[j_other],
- f_copy_center,
- tcld->cd_loop_mdisp_offset);
- }
- }
- }
-}
-
-static void mesh_customdatacorrect_apply(TransInfo *t, bool is_final)
-{
- FOREACH_TRANS_DATA_CONTAINER (t, tc) {
- if (!tc->custom.type.data) {
- continue;
- }
- struct TransCustomDataLayer *tcld = tc->custom.type.data;
- const bool use_merge_group = tcld->use_merge_group;
-
- struct TransCustomDataMergeGroup *merge_data = tcld->merge_group.data;
- TransData *tob = tc->data;
- for (int i = tc->data_len; i--; tob++) {
- mesh_customdatacorrect_apply_vert(tcld, (TransDataBasic *)tob, merge_data, is_final);
-
- if (use_merge_group) {
- merge_data++;
- }
- }
TransDataMirror *td_mirror = tc->data_mirror;
- for (int i = tc->data_mirror_len; i--; td_mirror++) {
- mesh_customdatacorrect_apply_vert(tcld, (TransDataBasic *)td_mirror, merge_data, is_final);
-
- if (use_merge_group) {
- merge_data++;
+ for (i = 0; i < tc->data_mirror_len; i++, td_mirror++) {
+ copy_v3_v3(td_mirror->loc, td_mirror->loc_src);
+ if (td_mirror->flag & TD_MIRROR_X) {
+ td_mirror->loc[0] *= -1;
}
- }
- }
-}
-
-static void mesh_customdatacorrect_restore(struct TransInfo *t)
-{
- FOREACH_TRANS_DATA_CONTAINER (t, tc) {
- struct TransCustomDataLayer *tcld = tc->custom.type.data;
- if (!tcld) {
- continue;
- }
-
- BMesh *bm = tcld->bm;
- BMesh *bm_copy = tcld->bm_origfaces;
-
- GHashIterator gh_iter;
- GHASH_ITER (gh_iter, tcld->origfaces) {
- BMFace *f = BLI_ghashIterator_getKey(&gh_iter);
- BMFace *f_copy = BLI_ghashIterator_getValue(&gh_iter);
- BLI_assert(f->len == f_copy->len);
-
- BMLoop *l_iter, *l_first, *l_copy;
- l_iter = l_first = BM_FACE_FIRST_LOOP(f);
- l_copy = BM_FACE_FIRST_LOOP(f_copy);
- do {
- /* TODO: Restore only the elements that transform. */
- BM_elem_attrs_copy(bm_copy, bm, l_copy, l_iter);
- l_copy = l_copy->next;
- } while ((l_iter = l_iter->next) != l_first);
- }
- }
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Recalc Mesh Data
- * \{ */
-
-static void mesh_apply_to_mirror(TransInfo *t)
-{
- FOREACH_TRANS_DATA_CONTAINER (t, tc) {
- if (tc->use_mirror_axis_any) {
- int i;
- TransData *td;
- for (i = 0, td = tc->data; i < tc->data_len; i++, td++) {
- if (td->flag & (TD_MIRROR_EDGE_X | TD_MIRROR_EDGE_Y | TD_MIRROR_EDGE_Z)) {
- if (td->flag & TD_MIRROR_EDGE_X) {
- td->loc[0] = 0.0f;
- }
- if (td->flag & TD_MIRROR_EDGE_Y) {
- td->loc[1] = 0.0f;
- }
- if (td->flag & TD_MIRROR_EDGE_Z) {
- td->loc[2] = 0.0f;
- }
- }
+ if (td_mirror->flag & TD_MIRROR_Y) {
+ td_mirror->loc[1] *= -1;
}
-
- TransDataMirror *td_mirror = tc->data_mirror;
- for (i = 0; i < tc->data_mirror_len; i++, td_mirror++) {
- copy_v3_v3(td_mirror->loc, td_mirror->loc_src);
- if (td_mirror->flag & TD_MIRROR_X) {
- td_mirror->loc[0] *= -1;
- }
- if (td_mirror->flag & TD_MIRROR_Y) {
- td_mirror->loc[1] *= -1;
- }
- if (td_mirror->flag & TD_MIRROR_Z) {
- td_mirror->loc[2] *= -1;
- }
+ if (td_mirror->flag & TD_MIRROR_Z) {
+ td_mirror->loc[2] *= -1;
}
}
}
@@ -1623,27 +1811,45 @@ static void mesh_apply_to_mirror(TransInfo *t)
void recalcData_mesh(TransInfo *t)
{
bool is_canceling = t->state == TRANS_CANCEL;
- /* mirror modifier clipping? */
+ /* Apply corrections. */
if (!is_canceling) {
- /* apply clipping after so we never project past the clip plane T25423. */
applyProject(t);
- clipMirrorModifier(t);
- if ((t->flag & T_NO_MIRROR) == 0 && (t->options & CTX_NO_MIRROR) == 0) {
- mesh_apply_to_mirror(t);
- }
+ bool do_mirror = !(t->flag & T_NO_MIRROR);
+ FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+ /* Apply clipping after so we never project past the clip plane T25423. */
+ transform_convert_clip_mirror_modifier_apply(tc);
+
+ if (do_mirror) {
+ tc_mesh_transdata_mirror_apply(tc);
+ }
- mesh_customdatacorrect_apply(t, false);
+ tc_mesh_customdatacorrect_apply(tc, false);
+ }
}
else {
- mesh_customdatacorrect_restore(t);
+ tc_mesh_customdatacorrect_restore(t);
}
FOREACH_TRANS_DATA_CONTAINER (t, tc) {
- DEG_id_tag_update(tc->obedit->data, 0); /* sets recalc flags */
+ DEG_id_tag_update(tc->obedit->data, ID_RECALC_GEOMETRY);
BMEditMesh *em = BKE_editmesh_from_object(tc->obedit);
- EDBM_mesh_normals_update(em);
- BKE_editmesh_looptri_calc(em);
+
+ /* The additional cost of generating the partial connectivity data isn't justified
+ * when all data needs to be updated.
+ *
+ * While proportional editing can cause all geometry to need updating with a partial selection.
+ * It's impractical to calculate this ahead of time.
+ * Further, the down side of using partial updates when their not needed is negligible. */
+ if (em->bm->totvert == em->bm->totvertsel) {
+ EDBM_mesh_normals_update(em);
+ BKE_editmesh_looptri_calc(em);
+ }
+ else {
+ BMPartialUpdate *partial_update_cache = tc_mesh_ensure_partial_update(t, tc);
+ BM_mesh_normals_update_with_partial(em->bm, partial_update_cache);
+ BKE_editmesh_looptri_calc_with_partial(em, partial_update_cache);
+ }
}
}
/** \} */
@@ -1660,7 +1866,9 @@ void special_aftertrans_update__mesh(bContext *UNUSED(C), TransInfo *t)
if (!is_canceling && ELEM(t->mode, TFM_EDGE_SLIDE, TFM_VERT_SLIDE)) {
/* NOTE(joeedh): Handle multi-res re-projection,
* done on transform completion since it's really slow. */
- mesh_customdatacorrect_apply(t, true);
+ FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+ tc_mesh_customdatacorrect_apply(tc, true);
+ }
}
if (use_automerge) {