/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * The Original Code is Copyright (C) 2004 by Blender Foundation * All rights reserved. */ /** \file * \ingroup edmesh * * meshtools.c: no editmode (violated already :), mirror & join), * tools operating on meshes */ #include "MEM_guardedalloc.h" #include "DNA_key_types.h" #include "DNA_material_types.h" #include "DNA_mesh_types.h" #include "DNA_meshdata_types.h" #include "DNA_modifier_types.h" #include "DNA_object_types.h" #include "DNA_scene_types.h" #include "DNA_screen_types.h" #include "DNA_view3d_types.h" #include "DNA_workspace_types.h" #include "BLI_blenlib.h" #include "BLI_math.h" #include "BKE_context.h" #include "BKE_deform.h" #include "BKE_editmesh.h" #include "BKE_key.h" #include "BKE_layer.h" #include "BKE_lib_id.h" #include "BKE_main.h" #include "BKE_material.h" #include "BKE_mesh.h" #include "BKE_mesh_iterators.h" #include "BKE_mesh_runtime.h" #include "BKE_multires.h" #include "BKE_object.h" #include "BKE_object_deform.h" #include "BKE_object_facemap.h" #include "BKE_report.h" #include "DEG_depsgraph.h" #include "DEG_depsgraph_build.h" #include "DEG_depsgraph_query.h" #include "DRW_select_buffer.h" #include "ED_mesh.h" #include "ED_object.h" #include "ED_view3d.h" #include "WM_api.h" #include "WM_types.h" /* * ********************** no editmode!!! *********** */ /*********************** JOIN ***************************/ /* join selected meshes into the active mesh, context sensitive * return 0 if no join is made (error) and 1 if the join is done */ static void join_mesh_single(Depsgraph *depsgraph, Main *bmain, Scene *scene, Object *ob_dst, Object *ob_src, const float imat[4][4], MVert **mvert_pp, MEdge **medge_pp, MLoop **mloop_pp, MPoly **mpoly_pp, CustomData *vdata, CustomData *edata, CustomData *ldata, CustomData *pdata, int totvert, int totedge, int totloop, int totpoly, Key *key, Key *nkey, Material **matar, int *matmap, int totcol, int *vertofs, int *edgeofs, int *loopofs, int *polyofs) { int a, b; Mesh *me = ob_src->data; MVert *mvert = *mvert_pp; MEdge *medge = *medge_pp; MLoop *mloop = *mloop_pp; MPoly *mpoly = *mpoly_pp; if (me->totvert) { /* merge customdata flag */ ((Mesh *)ob_dst->data)->cd_flag |= me->cd_flag; /* standard data */ CustomData_merge(&me->vdata, vdata, CD_MASK_MESH.vmask, CD_DEFAULT, totvert); CustomData_copy_data_named(&me->vdata, vdata, 0, *vertofs, me->totvert); /* vertex groups */ MDeformVert *dvert = CustomData_get(vdata, *vertofs, CD_MDEFORMVERT); MDeformVert *dvert_src = CustomData_get(&me->vdata, 0, CD_MDEFORMVERT); /* Remap to correct new vgroup indices, if needed. */ if (dvert_src) { BLI_assert(dvert != NULL); /* Build src to merged mapping of vgroup indices. */ int *vgroup_index_map; int vgroup_index_map_len; vgroup_index_map = BKE_object_defgroup_index_map_create( ob_src, ob_dst, &vgroup_index_map_len); BKE_object_defgroup_index_map_apply( dvert, me->totvert, vgroup_index_map, vgroup_index_map_len); if (vgroup_index_map != NULL) { MEM_freeN(vgroup_index_map); } } /* if this is the object we're merging into, no need to do anything */ if (ob_src != ob_dst) { float cmat[4][4]; /* watch this: switch matmul order really goes wrong */ mul_m4_m4m4(cmat, imat, ob_src->obmat); /* transform vertex coordinates into new space */ for (a = 0, mvert = *mvert_pp; a < me->totvert; a++, mvert++) { mul_m4_v3(cmat, mvert->co); } /* For each shapekey in destination mesh: * - if there's a matching one, copy it across * (will need to transform vertices into new space...). * - otherwise, just copy own coordinates of mesh * (no need to transform vertex coordinates into new space). */ if (key) { /* if this mesh has any shapekeys, check first, otherwise just copy coordinates */ LISTBASE_FOREACH (KeyBlock *, kb, &key->block) { /* get pointer to where to write data for this mesh in shapekey's data array */ float(*cos)[3] = ((float(*)[3])kb->data) + *vertofs; /* check if this mesh has such a shapekey */ KeyBlock *okb = me->key ? BKE_keyblock_find_name(me->key, kb->name) : NULL; if (okb) { /* copy this mesh's shapekey to the destination shapekey * (need to transform first) */ float(*ocos)[3] = okb->data; for (a = 0; a < me->totvert; a++, cos++, ocos++) { copy_v3_v3(*cos, *ocos); mul_m4_v3(cmat, *cos); } } else { /* copy this mesh's vertex coordinates to the destination shapekey */ for (a = 0, mvert = *mvert_pp; a < me->totvert; a++, cos++, mvert++) { copy_v3_v3(*cos, mvert->co); } } } } } else { /* for each shapekey in destination mesh: * - if it was an 'original', copy the appropriate data from nkey * - otherwise, copy across plain coordinates (no need to transform coordinates) */ if (key) { LISTBASE_FOREACH (KeyBlock *, kb, &key->block) { /* get pointer to where to write data for this mesh in shapekey's data array */ float(*cos)[3] = ((float(*)[3])kb->data) + *vertofs; /* check if this was one of the original shapekeys */ KeyBlock *okb = nkey ? BKE_keyblock_find_name(nkey, kb->name) : NULL; if (okb) { /* copy this mesh's shapekey to the destination shapekey */ float(*ocos)[3] = okb->data; for (a = 0; a < me->totvert; a++, cos++, ocos++) { copy_v3_v3(*cos, *ocos); } } else { /* copy base-coordinates to the destination shapekey */ for (a = 0, mvert = *mvert_pp; a < me->totvert; a++, cos++, mvert++) { copy_v3_v3(*cos, mvert->co); } } } } } } if (me->totedge) { CustomData_merge(&me->edata, edata, CD_MASK_MESH.emask, CD_DEFAULT, totedge); CustomData_copy_data_named(&me->edata, edata, 0, *edgeofs, me->totedge); for (a = 0; a < me->totedge; a++, medge++) { medge->v1 += *vertofs; medge->v2 += *vertofs; } } if (me->totloop) { if (ob_src != ob_dst) { MultiresModifierData *mmd; multiresModifier_prepare_join(depsgraph, scene, ob_src, ob_dst); if ((mmd = get_multires_modifier(scene, ob_src, true))) { ED_object_iter_other( bmain, ob_src, true, ED_object_multires_update_totlevels_cb, &mmd->totlvl); } } CustomData_merge(&me->ldata, ldata, CD_MASK_MESH.lmask, CD_DEFAULT, totloop); CustomData_copy_data_named(&me->ldata, ldata, 0, *loopofs, me->totloop); for (a = 0; a < me->totloop; a++, mloop++) { mloop->v += *vertofs; mloop->e += *edgeofs; } } if (me->totpoly) { if (matmap) { /* make mapping for materials */ for (a = 1; a <= ob_src->totcol; a++) { Material *ma = BKE_object_material_get(ob_src, a); for (b = 0; b < totcol; b++) { if (ma == matar[b]) { matmap[a - 1] = b; break; } } } } CustomData_merge(&me->pdata, pdata, CD_MASK_MESH.pmask, CD_DEFAULT, totpoly); CustomData_copy_data_named(&me->pdata, pdata, 0, *polyofs, me->totpoly); for (a = 0; a < me->totpoly; a++, mpoly++) { mpoly->loopstart += *loopofs; mpoly->mat_nr = matmap ? matmap[mpoly->mat_nr] : 0; } /* Face maps. */ int *fmap = CustomData_get(pdata, *polyofs, CD_FACEMAP); int *fmap_src = CustomData_get(&me->pdata, 0, CD_FACEMAP); /* Remap to correct new face-map indices, if needed. */ if (fmap_src) { BLI_assert(fmap != NULL); int *fmap_index_map; int fmap_index_map_len; fmap_index_map = BKE_object_facemap_index_map_create(ob_src, ob_dst, &fmap_index_map_len); BKE_object_facemap_index_map_apply(fmap, me->totpoly, fmap_index_map, fmap_index_map_len); if (fmap_index_map != NULL) { MEM_freeN(fmap_index_map); } } } /* these are used for relinking (cannot be set earlier, or else reattaching goes wrong) */ *vertofs += me->totvert; *mvert_pp += me->totvert; *edgeofs += me->totedge; *medge_pp += me->totedge; *loopofs += me->totloop; *mloop_pp += me->totloop; *polyofs += me->totpoly; *mpoly_pp += me->totpoly; } int join_mesh_exec(bContext *C, wmOperator *op) { Main *bmain = CTX_data_main(C); Scene *scene = CTX_data_scene(C); Object *ob = CTX_data_active_object(C); Material **matar = NULL, *ma; Mesh *me; MVert *mvert = NULL; MEdge *medge = NULL; MPoly *mpoly = NULL; MLoop *mloop = NULL; Key *key, *nkey = NULL; KeyBlock *kb, *kbn; float imat[4][4]; int a, b, totcol, totmat = 0, totedge = 0, totvert = 0; int totloop = 0, totpoly = 0, vertofs, *matmap = NULL; int i, haskey = 0, edgeofs, loopofs, polyofs; bool ok = false, join_parent = false; bDeformGroup *dg, *odg; CustomData vdata, edata, fdata, ldata, pdata; if (ob->mode & OB_MODE_EDIT) { BKE_report(op->reports, RPT_WARNING, "Cannot join while in edit mode"); return OPERATOR_CANCELLED; } /* ob is the object we are adding geometry to */ if (!ob || ob->type != OB_MESH) { BKE_report(op->reports, RPT_WARNING, "Active object is not a mesh"); return OPERATOR_CANCELLED; } Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C); /* count & check */ CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) { if (ob_iter->type == OB_MESH) { me = ob_iter->data; totvert += me->totvert; totedge += me->totedge; totloop += me->totloop; totpoly += me->totpoly; totmat += ob_iter->totcol; if (ob_iter == ob) { ok = true; } if ((ob->parent != NULL) && (ob_iter == ob->parent)) { join_parent = true; } /* check for shapekeys */ if (me->key) { haskey++; } } } CTX_DATA_END; /* Apply parent transform if the active object's parent was joined to it. * Note: This doesn't apply recursive parenting. */ if (join_parent) { ob->parent = NULL; BKE_object_apply_mat4_ex(ob, ob->obmat, ob->parent, ob->parentinv, false); } /* that way the active object is always selected */ if (ok == false) { BKE_report(op->reports, RPT_WARNING, "Active object is not a selected mesh"); return OPERATOR_CANCELLED; } /* Only join meshes if there are verts to join, * there aren't too many, and we only had one mesh selected. */ me = (Mesh *)ob->data; key = me->key; if (totvert == 0 || totvert == me->totvert) { BKE_report(op->reports, RPT_WARNING, "No mesh data to join"); return OPERATOR_CANCELLED; } if (totvert > MESH_MAX_VERTS) { BKE_reportf(op->reports, RPT_WARNING, "Joining results in %d vertices, limit is %ld", totvert, MESH_MAX_VERTS); return OPERATOR_CANCELLED; } /* remove tessface to ensure we don't hold references to invalid faces */ BKE_mesh_tessface_clear(me); /* new material indices and material array */ if (totmat) { matar = MEM_callocN(sizeof(*matar) * totmat, "join_mesh matar"); matmap = MEM_callocN(sizeof(*matmap) * totmat, "join_mesh matmap"); } totcol = ob->totcol; /* obact materials in new main array, is nicer start! */ for (a = 0; a < ob->totcol; a++) { matar[a] = BKE_object_material_get(ob, a + 1); id_us_plus((ID *)matar[a]); /* increase id->us : will be lowered later */ } /* - if destination mesh had shapekeys, move them somewhere safe, and set up placeholders * with arrays that are large enough to hold shapekey data for all meshes * - if destination mesh didn't have shapekeys, but we encountered some in the meshes we're * joining, set up a new keyblock and assign to the mesh */ if (key) { /* make a duplicate copy that will only be used here... (must remember to free it!) */ nkey = BKE_key_copy(bmain, key); /* for all keys in old block, clear data-arrays */ for (kb = key->block.first; kb; kb = kb->next) { if (kb->data) { MEM_freeN(kb->data); } kb->data = MEM_callocN(sizeof(float) * 3 * totvert, "join_shapekey"); kb->totelem = totvert; } } else if (haskey) { /* add a new key-block and add to the mesh */ key = me->key = BKE_key_add(bmain, (ID *)me); key->type = KEY_RELATIVE; } /* First pass over objects: Copying materials, vertex-groups & face-maps across. */ CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) { /* only act if a mesh, and not the one we're joining to */ if ((ob != ob_iter) && (ob_iter->type == OB_MESH)) { me = ob_iter->data; /* Join this object's vertex groups to the base one's */ for (dg = ob_iter->defbase.first; dg; dg = dg->next) { /* See if this group exists in the object (if it doesn't, add it to the end) */ if (!BKE_object_defgroup_find_name(ob, dg->name)) { odg = MEM_mallocN(sizeof(bDeformGroup), "join deformGroup"); memcpy(odg, dg, sizeof(bDeformGroup)); BLI_addtail(&ob->defbase, odg); } } if (ob->defbase.first && ob->actdef == 0) { ob->actdef = 1; } /* Join this object's face maps to the base one's. */ LISTBASE_FOREACH (bFaceMap *, fmap, &ob_iter->fmaps) { /* See if this group exists in the object (if it doesn't, add it to the end) */ if (BKE_object_facemap_find_name(ob, fmap->name) == NULL) { bFaceMap *fmap_new = MEM_mallocN(sizeof(bFaceMap), "join faceMap"); memcpy(fmap_new, fmap, sizeof(bFaceMap)); BLI_addtail(&ob->fmaps, fmap_new); } } if (ob->fmaps.first && ob->actfmap == 0) { ob->actfmap = 1; } if (me->totvert) { /* Add this object's materials to the base one's if they don't exist already * (but only if limits not exceeded yet) */ if (totcol < MAXMAT) { for (a = 1; a <= ob_iter->totcol; a++) { ma = BKE_object_material_get(ob_iter, a); for (b = 0; b < totcol; b++) { if (ma == matar[b]) { break; } } if (b == totcol) { matar[b] = ma; if (ma) { id_us_plus(&ma->id); } totcol++; } if (totcol >= MAXMAT) { break; } } } /* if this mesh has shapekeys, * check if destination mesh already has matching entries too */ if (me->key && key) { /* for remapping KeyBlock.relative */ int *index_map = MEM_mallocN(sizeof(int) * me->key->totkey, __func__); KeyBlock **kb_map = MEM_mallocN(sizeof(KeyBlock *) * me->key->totkey, __func__); for (kb = me->key->block.first, i = 0; kb; kb = kb->next, i++) { BLI_assert(i < me->key->totkey); kbn = BKE_keyblock_find_name(key, kb->name); /* if key doesn't exist in destination mesh, add it */ if (kbn) { index_map[i] = BLI_findindex(&key->block, kbn); } else { index_map[i] = key->totkey; kbn = BKE_keyblock_add(key, kb->name); BKE_keyblock_copy_settings(kbn, kb); /* adjust settings to fit (allocate a new data-array) */ kbn->data = MEM_callocN(sizeof(float) * 3 * totvert, "joined_shapekey"); kbn->totelem = totvert; } kb_map[i] = kbn; } /* remap relative index values */ for (kb = me->key->block.first, i = 0; kb; kb = kb->next, i++) { /* sanity check, should always be true */ if (LIKELY(kb->relative < me->key->totkey)) { kb_map[i]->relative = index_map[kb->relative]; } } MEM_freeN(index_map); MEM_freeN(kb_map); } } } } CTX_DATA_END; /* setup new data for destination mesh */ CustomData_reset(&vdata); CustomData_reset(&edata); CustomData_reset(&fdata); CustomData_reset(&ldata); CustomData_reset(&pdata); mvert = CustomData_add_layer(&vdata, CD_MVERT, CD_CALLOC, NULL, totvert); medge = CustomData_add_layer(&edata, CD_MEDGE, CD_CALLOC, NULL, totedge); mloop = CustomData_add_layer(&ldata, CD_MLOOP, CD_CALLOC, NULL, totloop); mpoly = CustomData_add_layer(&pdata, CD_MPOLY, CD_CALLOC, NULL, totpoly); vertofs = 0; edgeofs = 0; loopofs = 0; polyofs = 0; /* inverse transform for all selected meshes in this object */ invert_m4_m4(imat, ob->obmat); /* Add back active mesh first. * This allows to keep things similar as they were, as much as possible * (i.e. data from active mesh will remain first ones in new result of the merge, * in same order for CD layers, etc). See also T50084. */ join_mesh_single(depsgraph, bmain, scene, ob, ob, imat, &mvert, &medge, &mloop, &mpoly, &vdata, &edata, &ldata, &pdata, totvert, totedge, totloop, totpoly, key, nkey, matar, matmap, totcol, &vertofs, &edgeofs, &loopofs, &polyofs); CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) { if (ob_iter == ob) { continue; } /* only join if this is a mesh */ if (ob_iter->type == OB_MESH) { join_mesh_single(depsgraph, bmain, scene, ob, ob_iter, imat, &mvert, &medge, &mloop, &mpoly, &vdata, &edata, &ldata, &pdata, totvert, totedge, totloop, totpoly, key, nkey, matar, matmap, totcol, &vertofs, &edgeofs, &loopofs, &polyofs); /* free base, now that data is merged */ if (ob_iter != ob) { ED_object_base_free_and_unlink(bmain, scene, ob_iter); } } } CTX_DATA_END; /* return to mesh we're merging to */ me = ob->data; CustomData_free(&me->vdata, me->totvert); CustomData_free(&me->edata, me->totedge); CustomData_free(&me->ldata, me->totloop); CustomData_free(&me->pdata, me->totpoly); me->totvert = totvert; me->totedge = totedge; me->totloop = totloop; me->totpoly = totpoly; me->vdata = vdata; me->edata = edata; me->ldata = ldata; me->pdata = pdata; /* tessface data removed above, no need to update */ BKE_mesh_update_customdata_pointers(me, false); /* update normals in case objects with non-uniform scale are joined */ BKE_mesh_calc_normals(me); /* old material array */ for (a = 1; a <= ob->totcol; a++) { ma = ob->mat[a - 1]; if (ma) { id_us_min(&ma->id); } } for (a = 1; a <= me->totcol; a++) { ma = me->mat[a - 1]; if (ma) { id_us_min(&ma->id); } } MEM_SAFE_FREE(ob->mat); MEM_SAFE_FREE(ob->matbits); MEM_SAFE_FREE(me->mat); if (totcol) { me->mat = matar; ob->mat = MEM_callocN(sizeof(*ob->mat) * totcol, "join obmatar"); ob->matbits = MEM_callocN(sizeof(*ob->matbits) * totcol, "join obmatbits"); MEM_freeN(matmap); } ob->totcol = me->totcol = totcol; /* other mesh users */ BKE_objects_materials_test_all(bmain, (ID *)me); /* free temp copy of destination shapekeys (if applicable) */ if (nkey) { /* We can assume nobody is using that ID currently. */ BKE_id_free_ex(bmain, nkey, LIB_ID_FREE_NO_UI_USER, false); } /* ensure newly inserted keys are time sorted */ if (key && (key->type != KEY_RELATIVE)) { BKE_key_sort(key); } /* Due to dependnecy cycle some other object might access old derived data. */ BKE_object_free_derived_caches(ob); DEG_relations_tag_update(bmain); /* removed objects, need to rebuild dag */ DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY); DEG_id_tag_update(&scene->id, ID_RECALC_SELECT); WM_event_add_notifier(C, NC_SCENE | ND_OB_ACTIVE, scene); return OPERATOR_FINISHED; } /*********************** JOIN AS SHAPES ***************************/ /* Append selected meshes vertex locations as shapes of the active mesh, * return 0 if no join is made (error) and 1 of the join is done */ int join_mesh_shapes_exec(bContext *C, wmOperator *op) { Main *bmain = CTX_data_main(C); Scene *scene = CTX_data_scene(C); Object *ob_active = CTX_data_active_object(C); Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C); Mesh *me = (Mesh *)ob_active->data; Mesh *selme = NULL; Mesh *me_deformed = NULL; Key *key = me->key; KeyBlock *kb; bool ok = false, nonequal_verts = false; CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) { if (ob_iter == ob_active) { continue; } if (ob_iter->type == OB_MESH) { selme = (Mesh *)ob_iter->data; if (selme->totvert == me->totvert) { ok = true; } else { nonequal_verts = 1; } } } CTX_DATA_END; if (!ok) { if (nonequal_verts) { BKE_report(op->reports, RPT_WARNING, "Selected meshes must have equal numbers of vertices"); } else { BKE_report(op->reports, RPT_WARNING, "No additional selected meshes with equal vertex count to join"); } return OPERATOR_CANCELLED; } if (key == NULL) { key = me->key = BKE_key_add(bmain, (ID *)me); key->type = KEY_RELATIVE; /* first key added, so it was the basis. initialize it with the existing mesh */ kb = BKE_keyblock_add(key, NULL); BKE_keyblock_convert_from_mesh(me, key, kb); } /* now ready to add new keys from selected meshes */ CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) { if (ob_iter == ob_active) { continue; } if (ob_iter->type == OB_MESH) { selme = (Mesh *)ob_iter->data; if (selme->totvert == me->totvert) { Scene *scene_eval = DEG_get_evaluated_scene(depsgraph); Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob_iter); me_deformed = mesh_get_eval_deform(depsgraph, scene_eval, ob_eval, &CD_MASK_BAREMESH); if (!me_deformed) { continue; } kb = BKE_keyblock_add(key, ob_iter->id.name + 2); BKE_mesh_runtime_eval_to_meshkey(me_deformed, me, kb); } } } CTX_DATA_END; DEG_id_tag_update(&scene->id, ID_RECALC_SELECT); WM_event_add_notifier(C, NC_SCENE | ND_OB_ACTIVE, scene); return OPERATOR_FINISHED; } /* -------------------------------------------------------------------- */ /** \name Mesh Topology Mirror API * \{ */ static MirrTopoStore_t mesh_topo_store = {NULL, -1. - 1, -1}; BLI_INLINE void mesh_mirror_topo_table_get_meshes(Object *ob, Mesh *me_eval, Mesh **r_me_mirror, BMEditMesh **r_em_mirror) { Mesh *me_mirror = NULL; BMEditMesh *em_mirror = NULL; Mesh *me = ob->data; if (me_eval != NULL) { me_mirror = me_eval; } else if (me->edit_mesh != NULL) { em_mirror = me->edit_mesh; } else { me_mirror = me; } *r_me_mirror = me_mirror; *r_em_mirror = em_mirror; } /** * Mode is 's' start, or 'e' end, or 'u' use * if end, ob can be NULL. * \note This is supposed return -1 on error, * which callers are currently checking for, but is not used so far. */ void ED_mesh_mirror_topo_table_begin(Object *ob, Mesh *me_eval) { Mesh *me_mirror; BMEditMesh *em_mirror; mesh_mirror_topo_table_get_meshes(ob, me_eval, &me_mirror, &em_mirror); ED_mesh_mirrtopo_init(em_mirror, me_mirror, &mesh_topo_store, false); } void ED_mesh_mirror_topo_table_end(Object *UNUSED(ob)) { /* TODO: store this in object/object-data (keep unused argument for now). */ ED_mesh_mirrtopo_free(&mesh_topo_store); } static int ed_mesh_mirror_topo_table_update(Object *ob, Mesh *me_eval) { Mesh *me_mirror; BMEditMesh *em_mirror; mesh_mirror_topo_table_get_meshes(ob, me_eval, &me_mirror, &em_mirror); if (ED_mesh_mirrtopo_recalc_check(em_mirror, me_mirror, &mesh_topo_store)) { ED_mesh_mirror_topo_table_begin(ob, me_eval); } return 0; } /** \} */ static int mesh_get_x_mirror_vert_spatial(Object *ob, Mesh *me_eval, int index) { Mesh *me = ob->data; MVert *mvert = me_eval ? me_eval->mvert : me->mvert; float vec[3]; mvert = &mvert[index]; vec[0] = -mvert->co[0]; vec[1] = mvert->co[1]; vec[2] = mvert->co[2]; return ED_mesh_mirror_spatial_table_lookup(ob, NULL, me_eval, vec); } static int mesh_get_x_mirror_vert_topo(Object *ob, Mesh *mesh, int index) { if (ed_mesh_mirror_topo_table_update(ob, mesh) == -1) { return -1; } return mesh_topo_store.index_lookup[index]; } int mesh_get_x_mirror_vert(Object *ob, Mesh *me_eval, int index, const bool use_topology) { if (use_topology) { return mesh_get_x_mirror_vert_topo(ob, me_eval, index); } else { return mesh_get_x_mirror_vert_spatial(ob, me_eval, index); } } static BMVert *editbmesh_get_x_mirror_vert_spatial(Object *ob, BMEditMesh *em, const float co[3]) { float vec[3]; int i; /* ignore nan verts */ if ((isfinite(co[0]) == false) || (isfinite(co[1]) == false) || (isfinite(co[2]) == false)) { return NULL; } vec[0] = -co[0]; vec[1] = co[1]; vec[2] = co[2]; i = ED_mesh_mirror_spatial_table_lookup(ob, em, NULL, vec); if (i != -1) { return BM_vert_at_index(em->bm, i); } return NULL; } static BMVert *editbmesh_get_x_mirror_vert_topo(Object *ob, struct BMEditMesh *em, BMVert *eve, int index) { intptr_t poinval; if (ed_mesh_mirror_topo_table_update(ob, NULL) == -1) { return NULL; } if (index == -1) { BMIter iter; BMVert *v; index = 0; BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) { if (v == eve) { break; } index++; } if (index == em->bm->totvert) { return NULL; } } poinval = mesh_topo_store.index_lookup[index]; if (poinval != -1) { return (BMVert *)(poinval); } return NULL; } BMVert *editbmesh_get_x_mirror_vert(Object *ob, struct BMEditMesh *em, BMVert *eve, const float co[3], int index, const bool use_topology) { if (use_topology) { return editbmesh_get_x_mirror_vert_topo(ob, em, eve, index); } else { return editbmesh_get_x_mirror_vert_spatial(ob, em, co); } } /** * Wrapper for object-mode/edit-mode. * * call #BM_mesh_elem_table_ensure first for editmesh. */ int ED_mesh_mirror_get_vert(Object *ob, int index) { Mesh *me = ob->data; BMEditMesh *em = me->edit_mesh; bool use_topology = (me->editflag & ME_EDIT_MIRROR_TOPO) != 0; int index_mirr; if (em) { BMVert *eve, *eve_mirr; eve = BM_vert_at_index(em->bm, index); eve_mirr = editbmesh_get_x_mirror_vert(ob, em, eve, eve->co, index, use_topology); index_mirr = eve_mirr ? BM_elem_index_get(eve_mirr) : -1; } else { index_mirr = mesh_get_x_mirror_vert(ob, NULL, index, use_topology); } return index_mirr; } #if 0 static float *editmesh_get_mirror_uv( BMEditMesh *em, int axis, float *uv, float *mirrCent, float *face_cent) { float vec[2]; float cent_vec[2]; float cent[2]; /* ignore nan verts */ if (isnan(uv[0]) || !isfinite(uv[0]) || isnan(uv[1]) || !isfinite(uv[1])) { return NULL; } if (axis) { vec[0] = uv[0]; vec[1] = -((uv[1]) - mirrCent[1]) + mirrCent[1]; cent_vec[0] = face_cent[0]; cent_vec[1] = -((face_cent[1]) - mirrCent[1]) + mirrCent[1]; } else { vec[0] = -((uv[0]) - mirrCent[0]) + mirrCent[0]; vec[1] = uv[1]; cent_vec[0] = -((face_cent[0]) - mirrCent[0]) + mirrCent[0]; cent_vec[1] = face_cent[1]; } /* TODO - Optimize */ { BMIter iter; BMFace *efa; BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) { uv_poly_center(efa, cent, cd_loop_uv_offset); if ((fabsf(cent[0] - cent_vec[0]) < 0.001f) && (fabsf(cent[1] - cent_vec[1]) < 0.001f)) { BMIter liter; BMLoop *l; BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) { MLoopUV *luv = CustomData_bmesh_get(&em->bm->ldata, l->head.data, CD_MLOOPUV); if ((fabsf(luv->uv[0] - vec[0]) < 0.001f) && (fabsf(luv->uv[1] - vec[1]) < 0.001f)) { return luv->uv; } } } } } return NULL; } #endif static uint mirror_facehash(const void *ptr) { const MFace *mf = ptr; uint v0, v1; if (mf->v4) { v0 = MIN4(mf->v1, mf->v2, mf->v3, mf->v4); v1 = MAX4(mf->v1, mf->v2, mf->v3, mf->v4); } else { v0 = MIN3(mf->v1, mf->v2, mf->v3); v1 = MAX3(mf->v1, mf->v2, mf->v3); } return ((v0 * 39) ^ (v1 * 31)); } static int mirror_facerotation(MFace *a, MFace *b) { if (b->v4) { if (a->v1 == b->v1 && a->v2 == b->v2 && a->v3 == b->v3 && a->v4 == b->v4) { return 0; } else if (a->v4 == b->v1 && a->v1 == b->v2 && a->v2 == b->v3 && a->v3 == b->v4) { return 1; } else if (a->v3 == b->v1 && a->v4 == b->v2 && a->v1 == b->v3 && a->v2 == b->v4) { return 2; } else if (a->v2 == b->v1 && a->v3 == b->v2 && a->v4 == b->v3 && a->v1 == b->v4) { return 3; } } else { if (a->v1 == b->v1 && a->v2 == b->v2 && a->v3 == b->v3) { return 0; } else if (a->v3 == b->v1 && a->v1 == b->v2 && a->v2 == b->v3) { return 1; } else if (a->v2 == b->v1 && a->v3 == b->v2 && a->v1 == b->v3) { return 2; } } return -1; } static bool mirror_facecmp(const void *a, const void *b) { return (mirror_facerotation((MFace *)a, (MFace *)b) == -1); } /* This is a Mesh-based copy of mesh_get_x_mirror_faces() */ int *mesh_get_x_mirror_faces(Object *ob, BMEditMesh *em, Mesh *me_eval) { Mesh *me = ob->data; MVert *mv, *mvert; MFace mirrormf, *mf, *hashmf, *mface; GHash *fhash; int *mirrorverts, *mirrorfaces; BLI_assert(em == NULL); /* Does not work otherwise, currently... */ const bool use_topology = (me->editflag & ME_EDIT_MIRROR_TOPO) != 0; const int totvert = me_eval ? me_eval->totvert : me->totvert; const int totface = me_eval ? me_eval->totface : me->totface; int a; mirrorverts = MEM_callocN(sizeof(int) * totvert, "MirrorVerts"); mirrorfaces = MEM_callocN(sizeof(int) * 2 * totface, "MirrorFaces"); mvert = me_eval ? me_eval->mvert : me->mvert; mface = me_eval ? me_eval->mface : me->mface; ED_mesh_mirror_spatial_table_begin(ob, em, me_eval); for (a = 0, mv = mvert; a < totvert; a++, mv++) { mirrorverts[a] = mesh_get_x_mirror_vert(ob, me_eval, a, use_topology); } ED_mesh_mirror_spatial_table_end(ob); fhash = BLI_ghash_new_ex(mirror_facehash, mirror_facecmp, "mirror_facehash gh", me->totface); for (a = 0, mf = mface; a < totface; a++, mf++) { BLI_ghash_insert(fhash, mf, mf); } for (a = 0, mf = mface; a < totface; a++, mf++) { mirrormf.v1 = mirrorverts[mf->v3]; mirrormf.v2 = mirrorverts[mf->v2]; mirrormf.v3 = mirrorverts[mf->v1]; mirrormf.v4 = (mf->v4) ? mirrorverts[mf->v4] : 0; /* make sure v4 is not 0 if a quad */ if (mf->v4 && mirrormf.v4 == 0) { SWAP(uint, mirrormf.v1, mirrormf.v3); SWAP(uint, mirrormf.v2, mirrormf.v4); } hashmf = BLI_ghash_lookup(fhash, &mirrormf); if (hashmf) { mirrorfaces[a * 2] = hashmf - mface; mirrorfaces[a * 2 + 1] = mirror_facerotation(&mirrormf, hashmf); } else { mirrorfaces[a * 2] = -1; } } BLI_ghash_free(fhash, NULL, NULL); MEM_freeN(mirrorverts); return mirrorfaces; } /* selection, vertex and face */ /* returns 0 if not found, otherwise 1 */ /** * Face selection in object mode, * currently only weight-paint and vertex-paint use this. * * \return boolean true == Found */ bool ED_mesh_pick_face(bContext *C, Object *ob, const int mval[2], uint dist_px, uint *r_index) { ViewContext vc; Mesh *me = ob->data; BLI_assert(me && GS(me->id.name) == ID_ME); if (!me || me->totpoly == 0) { return false; } Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C); ED_view3d_viewcontext_init(C, &vc, depsgraph); ED_view3d_select_id_validate(&vc); if (dist_px) { /* sample rect to increase chances of selecting, so that when clicking * on an edge in the backbuf, we can still select a face */ *r_index = DRW_select_buffer_find_nearest_to_point( vc.depsgraph, vc.region, vc.v3d, mval, 1, me->totpoly + 1, &dist_px); } else { /* sample only on the exact position */ *r_index = DRW_select_buffer_sample_point(vc.depsgraph, vc.region, vc.v3d, mval); } if ((*r_index) == 0 || (*r_index) > (uint)me->totpoly) { return false; } (*r_index)--; return true; } static void ed_mesh_pick_face_vert__mpoly_find( /* context */ struct ARegion *region, const float mval[2], /* mesh data (evaluated) */ const MPoly *mp, const MVert *mvert, const MLoop *mloop, /* return values */ float *r_len_best, int *r_v_idx_best) { const MLoop *ml; int j = mp->totloop; for (ml = &mloop[mp->loopstart]; j--; ml++) { float sco[2]; const int v_idx = ml->v; const float *co = mvert[v_idx].co; if (ED_view3d_project_float_object(region, co, sco, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) { const float len_test = len_manhattan_v2v2(mval, sco); if (len_test < *r_len_best) { *r_len_best = len_test; *r_v_idx_best = v_idx; } } } } /** * Use when the back buffer stores face index values. but we want a vert. * This gets the face then finds the closest vertex to mval. */ bool ED_mesh_pick_face_vert( bContext *C, Object *ob, const int mval[2], uint dist_px, uint *r_index) { Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C); uint poly_index; Mesh *me = ob->data; BLI_assert(me && GS(me->id.name) == ID_ME); if (ED_mesh_pick_face(C, ob, mval, dist_px, &poly_index)) { Scene *scene_eval = DEG_get_evaluated_scene(depsgraph); Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob); struct ARegion *region = CTX_wm_region(C); /* derived mesh to find deformed locations */ Mesh *me_eval = mesh_get_eval_final( depsgraph, scene_eval, ob_eval, &CD_MASK_BAREMESH_ORIGINDEX); int v_idx_best = ORIGINDEX_NONE; /* find the vert closest to 'mval' */ const float mval_f[2] = {UNPACK2(mval)}; float len_best = FLT_MAX; MPoly *me_eval_mpoly; MLoop *me_eval_mloop; MVert *me_eval_mvert; uint me_eval_mpoly_len; const int *index_mp_to_orig; me_eval_mpoly = me_eval->mpoly; me_eval_mloop = me_eval->mloop; me_eval_mvert = me_eval->mvert; me_eval_mpoly_len = me_eval->totpoly; index_mp_to_orig = CustomData_get_layer(&me_eval->pdata, CD_ORIGINDEX); /* tag all verts using this face */ if (index_mp_to_orig) { uint i; for (i = 0; i < me_eval_mpoly_len; i++) { if (index_mp_to_orig[i] == poly_index) { ed_mesh_pick_face_vert__mpoly_find(region, mval_f, &me_eval_mpoly[i], me_eval_mvert, me_eval_mloop, &len_best, &v_idx_best); } } } else { if (poly_index < me_eval_mpoly_len) { ed_mesh_pick_face_vert__mpoly_find(region, mval_f, &me_eval_mpoly[poly_index], me_eval_mvert, me_eval_mloop, &len_best, &v_idx_best); } } /* map 'dm -> me' r_index if possible */ if (v_idx_best != ORIGINDEX_NONE) { const int *index_mv_to_orig; index_mv_to_orig = CustomData_get_layer(&me_eval->vdata, CD_ORIGINDEX); if (index_mv_to_orig) { v_idx_best = index_mv_to_orig[v_idx_best]; } } if ((v_idx_best != ORIGINDEX_NONE) && (v_idx_best < me->totvert)) { *r_index = v_idx_best; return true; } } return false; } /** * Vertex selection in object mode, * currently only weight paint uses this. * * \return boolean true == Found */ typedef struct VertPickData { const MVert *mvert; const float *mval_f; /* [2] */ ARegion *region; /* runtime */ float len_best; int v_idx_best; } VertPickData; static void ed_mesh_pick_vert__mapFunc(void *userData, int index, const float co[3], const float UNUSED(no_f[3]), const short UNUSED(no_s[3])) { VertPickData *data = userData; if ((data->mvert[index].flag & ME_HIDE) == 0) { float sco[2]; if (ED_view3d_project_float_object(data->region, co, sco, V3D_PROJ_TEST_CLIP_DEFAULT) == V3D_PROJ_RET_OK) { const float len = len_manhattan_v2v2(data->mval_f, sco); if (len < data->len_best) { data->len_best = len; data->v_idx_best = index; } } } } bool ED_mesh_pick_vert( bContext *C, Object *ob, const int mval[2], uint dist_px, bool use_zbuf, uint *r_index) { ViewContext vc; Mesh *me = ob->data; BLI_assert(me && GS(me->id.name) == ID_ME); if (!me || me->totvert == 0) { return false; } Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C); ED_view3d_viewcontext_init(C, &vc, depsgraph); ED_view3d_select_id_validate(&vc); if (use_zbuf) { if (dist_px > 0) { /* sample rect to increase chances of selecting, so that when clicking * on an face in the backbuf, we can still select a vert */ *r_index = DRW_select_buffer_find_nearest_to_point( vc.depsgraph, vc.region, vc.v3d, mval, 1, me->totvert + 1, &dist_px); } else { /* sample only on the exact position */ *r_index = DRW_select_buffer_sample_point(vc.depsgraph, vc.region, vc.v3d, mval); } if ((*r_index) == 0 || (*r_index) > (uint)me->totvert) { return false; } (*r_index)--; } else { Scene *scene_eval = DEG_get_evaluated_scene(vc.depsgraph); Object *ob_eval = DEG_get_evaluated_object(vc.depsgraph, ob); /* derived mesh to find deformed locations */ Mesh *me_eval = mesh_get_eval_final(vc.depsgraph, scene_eval, ob_eval, &CD_MASK_BAREMESH); ARegion *region = vc.region; RegionView3D *rv3d = region->regiondata; /* find the vert closest to 'mval' */ const float mval_f[2] = {(float)mval[0], (float)mval[1]}; VertPickData data = {NULL}; ED_view3d_init_mats_rv3d(ob, rv3d); if (me_eval == NULL) { return false; } /* setup data */ data.mvert = me->mvert; data.region = region; data.mval_f = mval_f; data.len_best = FLT_MAX; data.v_idx_best = -1; BKE_mesh_foreach_mapped_vert(me_eval, ed_mesh_pick_vert__mapFunc, &data, MESH_FOREACH_NOP); if (data.v_idx_best == -1) { return false; } *r_index = data.v_idx_best; } return true; } MDeformVert *ED_mesh_active_dvert_get_em(Object *ob, BMVert **r_eve) { if (ob->mode & OB_MODE_EDIT && ob->type == OB_MESH && ob->defbase.first) { Mesh *me = ob->data; BMesh *bm = me->edit_mesh->bm; const int cd_dvert_offset = CustomData_get_offset(&bm->vdata, CD_MDEFORMVERT); if (cd_dvert_offset != -1) { BMVert *eve = BM_mesh_active_vert_get(bm); if (eve) { if (r_eve) { *r_eve = eve; } return BM_ELEM_CD_GET_VOID_P(eve, cd_dvert_offset); } } } if (r_eve) { *r_eve = NULL; } return NULL; } MDeformVert *ED_mesh_active_dvert_get_ob(Object *ob, int *r_index) { Mesh *me = ob->data; int index = BKE_mesh_mselect_active_get(me, ME_VSEL); if (r_index) { *r_index = index; } if (index == -1 || me->dvert == NULL) { return NULL; } else { return me->dvert + index; } } MDeformVert *ED_mesh_active_dvert_get_only(Object *ob) { if (ob->type == OB_MESH) { if (ob->mode & OB_MODE_EDIT) { return ED_mesh_active_dvert_get_em(ob, NULL); } else { return ED_mesh_active_dvert_get_ob(ob, NULL); } } else { return NULL; } } void EDBM_mesh_stats_multi(struct Object **objects, const uint objects_len, int totelem[3], int totelem_sel[3]) { if (totelem) { totelem[0] = 0; totelem[1] = 0; totelem[2] = 0; } if (totelem_sel) { totelem_sel[0] = 0; totelem_sel[1] = 0; totelem_sel[2] = 0; } for (uint ob_index = 0; ob_index < objects_len; ob_index++) { Object *obedit = objects[ob_index]; BMEditMesh *em = BKE_editmesh_from_object(obedit); BMesh *bm = em->bm; if (totelem) { totelem[0] += bm->totvert; totelem[1] += bm->totedge; totelem[2] += bm->totface; } if (totelem_sel) { totelem_sel[0] += bm->totvertsel; totelem_sel[1] += bm->totedgesel; totelem_sel[2] += bm->totfacesel; } } } void EDBM_mesh_elem_index_ensure_multi(Object **objects, const uint objects_len, const char htype) { int elem_offset[4] = {0, 0, 0, 0}; for (uint ob_index = 0; ob_index < objects_len; ob_index++) { Object *obedit = objects[ob_index]; BMEditMesh *em = BKE_editmesh_from_object(obedit); BMesh *bm = em->bm; BM_mesh_elem_index_ensure_ex(bm, htype, elem_offset); } }