void EDBM_mesh_make(Object *ob, const int select_mode, const bool add_key_index) { Mesh *me = ob->data; BMesh *bm; if (UNLIKELY(!me->mpoly && me->totface)) { BKE_mesh_convert_mfaces_to_mpolys(me); } bm = BKE_mesh_to_bmesh( me, ob, add_key_index, &((struct BMeshCreateParams){.use_toolflags = true,}));
static Mesh *explodeMesh(ExplodeModifierData *emd, ParticleSystemModifierData *psmd, const ModifierEvalContext *ctx, Scene *scene, Mesh *to_explode) { Mesh *explode, *mesh = to_explode; MFace *mf = NULL, *mface; /* ParticleSettings *part=psmd->psys->part; */ /* UNUSED */ ParticleSimulationData sim = {NULL}; ParticleData *pa = NULL, *pars = psmd->psys->particles; ParticleKey state, birth; EdgeHash *vertpahash; EdgeHashIterator *ehi; float *vertco = NULL, imat[4][4]; float rot[4]; float cfra; /* float timestep; */ const int *facepa = emd->facepa; int totdup = 0, totvert = 0, totface = 0, totpart = 0, delface = 0; int i, v, u; unsigned int ed_v1, ed_v2, mindex = 0; MTFace *mtface = NULL, *mtf; totface = mesh->totface; totvert = mesh->totvert; mface = mesh->mface; totpart = psmd->psys->totpart; sim.depsgraph = ctx->depsgraph; sim.scene = scene; sim.ob = ctx->object; sim.psys = psmd->psys; sim.psmd = psmd; /* timestep = psys_get_timestep(&sim); */ cfra = BKE_scene_frame_get(scene); /* hash table for vertice <-> particle relations */ vertpahash = BLI_edgehash_new(__func__); for (i = 0; i < totface; i++) { if (facepa[i] != totpart) { pa = pars + facepa[i]; if ((pa->alive == PARS_UNBORN && (emd->flag & eExplodeFlag_Unborn) == 0) || (pa->alive == PARS_ALIVE && (emd->flag & eExplodeFlag_Alive) == 0) || (pa->alive == PARS_DEAD && (emd->flag & eExplodeFlag_Dead) == 0)) { delface++; continue; } } /* do mindex + totvert to ensure the vertex index to be the first * with BLI_edgehashIterator_getKey */ if (facepa[i] == totpart || cfra < (pars + facepa[i])->time) { mindex = totvert + totpart; } else { mindex = totvert + facepa[i]; } mf = &mface[i]; /* set face vertices to exist in particle group */ BLI_edgehash_reinsert(vertpahash, mf->v1, mindex, NULL); BLI_edgehash_reinsert(vertpahash, mf->v2, mindex, NULL); BLI_edgehash_reinsert(vertpahash, mf->v3, mindex, NULL); if (mf->v4) { BLI_edgehash_reinsert(vertpahash, mf->v4, mindex, NULL); } } /* make new vertice indexes & count total vertices after duplication */ ehi = BLI_edgehashIterator_new(vertpahash); for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) { BLI_edgehashIterator_setValue(ehi, POINTER_FROM_INT(totdup)); totdup++; } BLI_edgehashIterator_free(ehi); /* the final duplicated vertices */ explode = BKE_mesh_new_nomain_from_template(mesh, totdup, 0, totface - delface, 0, 0); mtface = CustomData_get_layer_named(&explode->fdata, CD_MTFACE, emd->uvname); /*dupvert = CDDM_get_verts(explode);*/ /* getting back to object space */ invert_m4_m4(imat, ctx->object->obmat); psmd->psys->lattice_deform_data = psys_create_lattice_deform_data(&sim); /* duplicate & displace vertices */ ehi = BLI_edgehashIterator_new(vertpahash); for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) { MVert source; MVert *dest; /* get particle + vertex from hash */ BLI_edgehashIterator_getKey(ehi, &ed_v1, &ed_v2); ed_v2 -= totvert; v = POINTER_AS_INT(BLI_edgehashIterator_getValue(ehi)); source = mesh->mvert[ed_v1]; dest = &explode->mvert[v]; CustomData_copy_data(&mesh->vdata, &explode->vdata, ed_v1, v, 1); *dest = source; if (ed_v2 != totpart) { /* get particle */ pa = pars + ed_v2; psys_get_birth_coords(&sim, pa, &birth, 0, 0); state.time = cfra; psys_get_particle_state(&sim, ed_v2, &state, 1); vertco = explode->mvert[v].co; mul_m4_v3(ctx->object->obmat, vertco); sub_v3_v3(vertco, birth.co); /* apply rotation, size & location */ sub_qt_qtqt(rot, state.rot, birth.rot); mul_qt_v3(rot, vertco); if (emd->flag & eExplodeFlag_PaSize) { mul_v3_fl(vertco, pa->size); } add_v3_v3(vertco, state.co); mul_m4_v3(imat, vertco); } } BLI_edgehashIterator_free(ehi); /*map new vertices to faces*/ for (i = 0, u = 0; i < totface; i++) { MFace source; int orig_v4; if (facepa[i] != totpart) { pa = pars + facepa[i]; if (pa->alive == PARS_UNBORN && (emd->flag & eExplodeFlag_Unborn) == 0) { continue; } if (pa->alive == PARS_ALIVE && (emd->flag & eExplodeFlag_Alive) == 0) { continue; } if (pa->alive == PARS_DEAD && (emd->flag & eExplodeFlag_Dead) == 0) { continue; } } source = mesh->mface[i]; mf = &explode->mface[u]; orig_v4 = source.v4; if (facepa[i] != totpart && cfra < pa->time) { mindex = totvert + totpart; } else { mindex = totvert + facepa[i]; } source.v1 = edgecut_get(vertpahash, source.v1, mindex); source.v2 = edgecut_get(vertpahash, source.v2, mindex); source.v3 = edgecut_get(vertpahash, source.v3, mindex); if (source.v4) { source.v4 = edgecut_get(vertpahash, source.v4, mindex); } CustomData_copy_data(&mesh->fdata, &explode->fdata, i, u, 1); *mf = source; /* override uv channel for particle age */ if (mtface) { float age = (cfra - pa->time) / pa->lifetime; /* Clamp to this range to avoid flipping to the other side of the coordinates. */ CLAMP(age, 0.001f, 0.999f); mtf = mtface + u; mtf->uv[0][0] = mtf->uv[1][0] = mtf->uv[2][0] = mtf->uv[3][0] = age; mtf->uv[0][1] = mtf->uv[1][1] = mtf->uv[2][1] = mtf->uv[3][1] = 0.5f; } test_index_face(mf, &explode->fdata, u, (orig_v4 ? 4 : 3)); u++; } /* cleanup */ BLI_edgehash_free(vertpahash, NULL); /* finalization */ BKE_mesh_calc_edges_tessface(explode); BKE_mesh_convert_mfaces_to_mpolys(explode); explode->runtime.cd_dirty_vert |= CD_MASK_NORMAL; if (psmd->psys->lattice_deform_data) { end_latt_deform(psmd->psys->lattice_deform_data); psmd->psys->lattice_deform_data = NULL; } return explode; }
static Mesh *cutEdges(ExplodeModifierData *emd, Mesh *mesh) { Mesh *split_m; MFace *mf = NULL, *df1 = NULL; MFace *mface = mesh->mface; MVert *dupve, *mv; EdgeHash *edgehash; EdgeHashIterator *ehi; int totvert = mesh->totvert; int totface = mesh->totface; int *facesplit = MEM_calloc_arrayN(totface, sizeof(int), "explode_facesplit"); int *vertpa = MEM_calloc_arrayN(totvert, sizeof(int), "explode_vertpa2"); int *facepa = emd->facepa; int *fs, totesplit = 0, totfsplit = 0, curdupface = 0; int i, v1, v2, v3, v4, esplit, v[4] = {0, 0, 0, 0}, /* To quite gcc barking... */ uv[4] = {0, 0, 0, 0}; /* To quite gcc barking... */ int numlayer; unsigned int ed_v1, ed_v2; edgehash = BLI_edgehash_new(__func__); /* recreate vertpa from facepa calculation */ for (i = 0, mf = mface; i < totface; i++, mf++) { vertpa[mf->v1] = facepa[i]; vertpa[mf->v2] = facepa[i]; vertpa[mf->v3] = facepa[i]; if (mf->v4) { vertpa[mf->v4] = facepa[i]; } } /* mark edges for splitting and how to split faces */ for (i = 0, mf = mface, fs = facesplit; i < totface; i++, mf++, fs++) { v1 = vertpa[mf->v1]; v2 = vertpa[mf->v2]; v3 = vertpa[mf->v3]; if (v1 != v2) { BLI_edgehash_reinsert(edgehash, mf->v1, mf->v2, NULL); (*fs) |= 1; } if (v2 != v3) { BLI_edgehash_reinsert(edgehash, mf->v2, mf->v3, NULL); (*fs) |= 2; } if (mf->v4) { v4 = vertpa[mf->v4]; if (v3 != v4) { BLI_edgehash_reinsert(edgehash, mf->v3, mf->v4, NULL); (*fs) |= 4; } if (v1 != v4) { BLI_edgehash_reinsert(edgehash, mf->v1, mf->v4, NULL); (*fs) |= 8; } /* mark center vertex as a fake edge split */ if (*fs == 15) { BLI_edgehash_reinsert(edgehash, mf->v1, mf->v3, NULL); } } else { (*fs) |= 16; /* mark face as tri */ if (v1 != v3) { BLI_edgehash_reinsert(edgehash, mf->v1, mf->v3, NULL); (*fs) |= 4; } } } /* count splits & create indexes for new verts */ ehi = BLI_edgehashIterator_new(edgehash); totesplit = totvert; for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) { BLI_edgehashIterator_setValue(ehi, POINTER_FROM_INT(totesplit)); totesplit++; } BLI_edgehashIterator_free(ehi); /* count new faces due to splitting */ for (i = 0, fs = facesplit; i < totface; i++, fs++) { totfsplit += add_faces[*fs]; } split_m = BKE_mesh_new_nomain_from_template(mesh, totesplit, 0, totface + totfsplit, 0, 0); numlayer = CustomData_number_of_layers(&split_m->fdata, CD_MTFACE); /* copy new faces & verts (is it really this painful with custom data??) */ for (i = 0; i < totvert; i++) { MVert source; MVert *dest; source = mesh->mvert[i]; dest = &split_m->mvert[i]; CustomData_copy_data(&mesh->vdata, &split_m->vdata, i, i, 1); *dest = source; } /* override original facepa (original pointer is saved in caller function) */ /* BMESH_TODO, (totfsplit * 2) over allocation is used since the quads are * later interpreted as tri's, for this to work right I think we probably * have to stop using tessface - campbell */ facepa = MEM_calloc_arrayN((totface + (totfsplit * 2)), sizeof(int), "explode_facepa"); // memcpy(facepa, emd->facepa, totface*sizeof(int)); emd->facepa = facepa; /* create new verts */ ehi = BLI_edgehashIterator_new(edgehash); for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) { BLI_edgehashIterator_getKey(ehi, &ed_v1, &ed_v2); esplit = POINTER_AS_INT(BLI_edgehashIterator_getValue(ehi)); mv = &split_m->mvert[ed_v2]; dupve = &split_m->mvert[esplit]; CustomData_copy_data(&split_m->vdata, &split_m->vdata, ed_v2, esplit, 1); *dupve = *mv; mv = &split_m->mvert[ed_v1]; mid_v3_v3v3(dupve->co, dupve->co, mv->co); } BLI_edgehashIterator_free(ehi); /* create new faces */ curdupface = 0; //=totface; // curdupin=totesplit; for (i = 0, fs = facesplit; i < totface; i++, fs++) { mf = &mesh->mface[i]; switch (*fs) { case 3: case 10: case 11: case 15: SET_VERTS(1, 2, 3, 4); break; case 5: case 6: case 7: SET_VERTS(2, 3, 4, 1); break; case 9: case 13: SET_VERTS(4, 1, 2, 3); break; case 12: case 14: SET_VERTS(3, 4, 1, 2); break; case 21: case 23: SET_VERTS(1, 2, 3, 4); break; case 19: SET_VERTS(2, 3, 1, 4); break; case 22: SET_VERTS(3, 1, 2, 4); break; } switch (*fs) { case 3: case 6: case 9: case 12: remap_faces_3_6_9_12( mesh, split_m, mf, facepa, vertpa, i, edgehash, curdupface, v[0], v[1], v[2], v[3]); if (numlayer) { remap_uvs_3_6_9_12(mesh, split_m, numlayer, i, curdupface, uv[0], uv[1], uv[2], uv[3]); } break; case 5: case 10: remap_faces_5_10( mesh, split_m, mf, facepa, vertpa, i, edgehash, curdupface, v[0], v[1], v[2], v[3]); if (numlayer) { remap_uvs_5_10(mesh, split_m, numlayer, i, curdupface, uv[0], uv[1], uv[2], uv[3]); } break; case 15: remap_faces_15( mesh, split_m, mf, facepa, vertpa, i, edgehash, curdupface, v[0], v[1], v[2], v[3]); if (numlayer) { remap_uvs_15(mesh, split_m, numlayer, i, curdupface, uv[0], uv[1], uv[2], uv[3]); } break; case 7: case 11: case 13: case 14: remap_faces_7_11_13_14( mesh, split_m, mf, facepa, vertpa, i, edgehash, curdupface, v[0], v[1], v[2], v[3]); if (numlayer) { remap_uvs_7_11_13_14(mesh, split_m, numlayer, i, curdupface, uv[0], uv[1], uv[2], uv[3]); } break; case 19: case 21: case 22: remap_faces_19_21_22( mesh, split_m, mf, facepa, vertpa, i, edgehash, curdupface, v[0], v[1], v[2]); if (numlayer) { remap_uvs_19_21_22(mesh, split_m, numlayer, i, curdupface, uv[0], uv[1], uv[2]); } break; case 23: remap_faces_23( mesh, split_m, mf, facepa, vertpa, i, edgehash, curdupface, v[0], v[1], v[2]); if (numlayer) { remap_uvs_23(mesh, split_m, numlayer, i, curdupface, uv[0], uv[1], uv[2]); } break; case 0: case 16: df1 = get_dface(mesh, split_m, curdupface, i, mf); facepa[curdupface] = vertpa[mf->v1]; if (df1->v4) { df1->flag |= ME_FACE_SEL; } else { df1->flag &= ~ME_FACE_SEL; } break; } curdupface += add_faces[*fs] + 1; } for (i = 0; i < curdupface; i++) { mf = &split_m->mface[i]; test_index_face(mf, &split_m->fdata, i, ((mf->flag & ME_FACE_SEL) ? 4 : 3)); } BLI_edgehash_free(edgehash, NULL); MEM_freeN(facesplit); MEM_freeN(vertpa); BKE_mesh_calc_edges_tessface(split_m); BKE_mesh_convert_mfaces_to_mpolys(split_m); return split_m; }