/* returns non-zero if any of the corners of the grid
* face whose inner corner is at (x,y) are hidden,
* zero otherwise */
int paint_is_grid_face_hidden(const unsigned int *grid_hidden,
int gridsize, int x, int y)
{
/* skip face if any of its corners are hidden */
return (BLI_BITMAP_GET(grid_hidden, y * gridsize + x) ||
BLI_BITMAP_GET(grid_hidden, y * gridsize + x + 1) ||
BLI_BITMAP_GET(grid_hidden, (y + 1) * gridsize + x + 1) ||
BLI_BITMAP_GET(grid_hidden, (y + 1) * gridsize + x));
}
static int sculpt_undo_restore_hidden(bContext *C, DerivedMesh *dm,
SculptUndoNode *unode)
{
Object *ob = CTX_data_active_object(C);
SculptSession *ss = ob->sculpt;
int i;
if (unode->maxvert) {
MVert *mvert = ss->mvert;
for (i = 0; i < unode->totvert; i++) {
MVert *v = &mvert[unode->index[i]];
int uval = BLI_BITMAP_GET(unode->vert_hidden, i);
BLI_BITMAP_MODIFY(unode->vert_hidden, i,
v->flag & ME_HIDE);
if (uval)
v->flag |= ME_HIDE;
else
v->flag &= ~ME_HIDE;
v->flag |= ME_VERT_PBVH_UPDATE;
}
}
else if (unode->maxgrid && dm->getGridData) {
BLI_bitmap **grid_hidden = dm->getGridHidden(dm);
for (i = 0; i < unode->totgrid; i++) {
SWAP(BLI_bitmap *,
unode->grid_hidden[i],
grid_hidden[unode->grids[i]]);
}
}
static DMDrawOption draw_mesh_face_select__setHiddenOpts(void *userData, int index)
{
drawMeshFaceSelect_userData *data = userData;
Mesh *me = data->me;
if (me->drawflag & ME_DRAWEDGES) {
if ((me->drawflag & ME_HIDDENEDGES) || (BLI_BITMAP_GET(data->edge_flags, edge_vis_index(index))))
return DM_DRAW_OPTION_NORMAL;
else
return DM_DRAW_OPTION_SKIP;
}
else if (BLI_BITMAP_GET(data->edge_flags, edge_sel_index(index)))
return DM_DRAW_OPTION_NORMAL;
else
return DM_DRAW_OPTION_SKIP;
}
static bool lattice_test_bitmap_uvw(Lattice *lt, BLI_bitmap *selpoints, int u, int v, int w, const bool selected)
{
if ((u < 0 || u >= lt->pntsu) ||
(v < 0 || v >= lt->pntsv) ||
(w < 0 || w >= lt->pntsw))
{
return false;
}
else {
int i = BKE_lattice_index_from_uvw(lt, u, v, w);
if (lt->def[i].hide == 0) {
return (BLI_BITMAP_GET(selpoints, i) != 0) == selected;
}
return false;
}
}
static int lattice_select_mirror_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
Lattice *lt = ((Lattice *)obedit->data)->editlatt->latt;
const bool extend = RNA_boolean_get(op->ptr, "extend");
const int axis = RNA_enum_get(op->ptr, "axis");
bool flip_uvw[3] = {false};
int tot, i;
BPoint *bp;
BLI_bitmap *selpoints;
tot = lt->pntsu * lt->pntsv * lt->pntsw;
flip_uvw[axis] = true;
if (!extend) {
lt->actbp = LT_ACTBP_NONE;
}
/* store "original" selection */
selpoints = BLI_BITMAP_NEW(tot, __func__);
BKE_lattice_bitmap_from_flag(lt, selpoints, SELECT, false, false);
/* actual (de)selection */
for (i = 0; i < tot; i++) {
const int i_flip = BKE_lattice_index_flip(lt, i, flip_uvw[0], flip_uvw[1], flip_uvw[2]);
bp = <->def[i];
if (!bp->hide) {
if (BLI_BITMAP_GET(selpoints, i_flip)) {
bp->f1 |= SELECT;
}
else {
if (!extend) {
bp->f1 &= ~SELECT;
}
}
}
}
MEM_freeN(selpoints);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
/* Hide or show elements in multires grids with a special GridFlags
* customdata layer. */
static void partialvis_update_grids(Object *ob,
PBVH *pbvh,
PBVHNode *node,
PartialVisAction action,
PartialVisArea area,
float planes[4][4])
{
CCGElem **grids;
CCGKey key;
BLI_bitmap **grid_hidden;
int *grid_indices, totgrid, i;
bool any_changed = false, any_visible = false;
/* get PBVH data */
BKE_pbvh_node_get_grids(pbvh, node,
&grid_indices, &totgrid, NULL, NULL,
&grids, NULL);
grid_hidden = BKE_pbvh_grid_hidden(pbvh);
BKE_pbvh_get_grid_key(pbvh, &key);
sculpt_undo_push_node(ob, node, SCULPT_UNDO_HIDDEN);
for (i = 0; i < totgrid; i++) {
int any_hidden = 0;
int g = grid_indices[i], x, y;
BLI_bitmap *gh = grid_hidden[g];
if (!gh) {
switch (action) {
case PARTIALVIS_HIDE:
/* create grid flags data */
gh = grid_hidden[g] = BLI_BITMAP_NEW(key.grid_area,
"partialvis_update_grids");
break;
case PARTIALVIS_SHOW:
/* entire grid is visible, nothing to show */
continue;
}
}
else if (action == PARTIALVIS_SHOW && area == PARTIALVIS_ALL) {
/* special case if we're showing all, just free the
* grid */
MEM_freeN(gh);
grid_hidden[g] = NULL;
any_changed = true;
any_visible = true;
continue;
}
for (y = 0; y < key.grid_size; y++) {
for (x = 0; x < key.grid_size; x++) {
CCGElem *elem = CCG_grid_elem(&key, grids[g], x, y);
const float *co = CCG_elem_co(&key, elem);
float mask = key.has_mask ? *CCG_elem_mask(&key, elem) : 0.0f;
/* skip grid element if not in the effected area */
if (is_effected(area, planes, co, mask)) {
/* set or clear the hide flag */
BLI_BITMAP_MODIFY(gh, y * key.grid_size + x,
action == PARTIALVIS_HIDE);
any_changed = true;
}
/* keep track of whether any elements are still hidden */
if (BLI_BITMAP_GET(gh, y * key.grid_size + x))
any_hidden = true;
else
any_visible = true;
}
}
/* if everything in the grid is now visible, free the grid
* flags */
if (!any_hidden) {
MEM_freeN(gh);
grid_hidden[g] = NULL;
}
}
/* mark updates if anything was hidden/shown */
if (any_changed) {
BKE_pbvh_node_mark_rebuild_draw(node);
BKE_pbvh_node_fully_hidden_set(node, !any_visible);
multires_mark_as_modified(ob, MULTIRES_HIDDEN_MODIFIED);
}
}
static DMDrawOption draw_mesh_face_select__setSelectOpts(void *userData, int index)
{
drawMeshFaceSelect_userData *data = userData;
return (BLI_BITMAP_GET(data->edge_flags, edge_sel_index(index))) ? DM_DRAW_OPTION_NORMAL : DM_DRAW_OPTION_SKIP;
}
static DerivedMesh *applyModifier(
ModifierData *md, Object *ob,
DerivedMesh *dm,
ModifierApplyFlag UNUSED(flag))
{
unsigned int i;
DerivedMesh *result;
const SolidifyModifierData *smd = (SolidifyModifierData *) md;
MVert *mv, *mvert, *orig_mvert;
MEdge *ed, *medge, *orig_medge;
MLoop *ml, *mloop, *orig_mloop;
MPoly *mp, *mpoly, *orig_mpoly;
const unsigned int numVerts = (unsigned int)dm->getNumVerts(dm);
const unsigned int numEdges = (unsigned int)dm->getNumEdges(dm);
const unsigned int numFaces = (unsigned int)dm->getNumPolys(dm);
const unsigned int numLoops = (unsigned int)dm->getNumLoops(dm);
unsigned int newLoops = 0, newFaces = 0, newEdges = 0;
/* only use material offsets if we have 2 or more materials */
const short mat_nr_max = ob->totcol > 1 ? ob->totcol - 1 : 0;
const short mat_ofs = mat_nr_max ? smd->mat_ofs : 0;
const short mat_ofs_rim = mat_nr_max ? smd->mat_ofs_rim : 0;
/* use for edges */
/* over-alloc new_vert_arr, old_vert_arr */
unsigned int *new_vert_arr = NULL;
STACK_DECLARE(new_vert_arr);
unsigned int *new_edge_arr = NULL;
STACK_DECLARE(new_edge_arr);
unsigned int *old_vert_arr = MEM_callocN(sizeof(*old_vert_arr) * (size_t)numVerts, "old_vert_arr in solidify");
unsigned int *edge_users = NULL;
char *edge_order = NULL;
float (*vert_nors)[3] = NULL;
float (*face_nors)[3] = NULL;
const bool need_face_normals = (smd->flag & MOD_SOLIDIFY_NORMAL_CALC) || (smd->flag & MOD_SOLIDIFY_EVEN);
const float ofs_orig = -(((-smd->offset_fac + 1.0f) * 0.5f) * smd->offset);
const float ofs_new = smd->offset + ofs_orig;
const float offset_fac_vg = smd->offset_fac_vg;
const float offset_fac_vg_inv = 1.0f - smd->offset_fac_vg;
const bool do_flip = (smd->flag & MOD_SOLIDIFY_FLIP) != 0;
const bool do_clamp = (smd->offset_clamp != 0.0f);
/* weights */
MDeformVert *dvert, *dv = NULL;
const int defgrp_invert = ((smd->flag & MOD_SOLIDIFY_VGROUP_INV) != 0);
int defgrp_index;
modifier_get_vgroup(ob, dm, smd->defgrp_name, &dvert, &defgrp_index);
orig_mvert = dm->getVertArray(dm);
orig_medge = dm->getEdgeArray(dm);
orig_mloop = dm->getLoopArray(dm);
orig_mpoly = dm->getPolyArray(dm);
if (need_face_normals) {
/* calculate only face normals */
face_nors = MEM_mallocN(sizeof(*face_nors) * (size_t)numFaces, __func__);
BKE_mesh_calc_normals_poly(
orig_mvert, (int)numVerts,
orig_mloop, orig_mpoly,
(int)numLoops, (int)numFaces,
face_nors, true);
}
STACK_INIT(new_vert_arr);
STACK_INIT(new_edge_arr);
if (smd->flag & MOD_SOLIDIFY_RIM) {
BLI_bitmap *orig_mvert_tag = BLI_BITMAP_NEW(numVerts, __func__);
unsigned int eidx;
#define INVALID_UNUSED ((unsigned int)-1)
#define INVALID_PAIR ((unsigned int)-2)
new_vert_arr = MEM_mallocN(sizeof(*new_vert_arr) * (size_t)(numVerts * 2), __func__);
new_edge_arr = MEM_mallocN(sizeof(*new_edge_arr) * (size_t)((numEdges * 2) + numVerts), __func__);
edge_users = MEM_mallocN(sizeof(*edge_users) * (size_t)numEdges, "solid_mod edges");
edge_order = MEM_mallocN(sizeof(*edge_order) * (size_t)numEdges, "solid_mod eorder");
/* save doing 2 loops here... */
#if 0
fill_vn_i(edge_users, numEdges, INVALID_UNUSED);
#endif
for (eidx = 0, ed = orig_medge; eidx < numEdges; eidx++, ed++) {
edge_users[eidx] = INVALID_UNUSED;
}
for (i = 0, mp = orig_mpoly; i < numFaces; i++, mp++) {
MLoop *ml_prev;
int j;
ml = orig_mloop + mp->loopstart;
ml_prev = ml + (mp->totloop - 1);
for (j = 0; j < mp->totloop; j++, ml++) {
/* add edge user */
eidx = ml_prev->e;
if (edge_users[eidx] == INVALID_UNUSED) {
ed = orig_medge + eidx;
BLI_assert(ELEM(ml_prev->v, ed->v1, ed->v2) &&
ELEM(ml->v, ed->v1, ed->v2));
edge_users[eidx] = (ml_prev->v > ml->v) == (ed->v1 < ed->v2) ? i : (i + numFaces);
edge_order[eidx] = j;
}
else {
edge_users[eidx] = INVALID_PAIR;
}
ml_prev = ml;
}
}
for (eidx = 0, ed = orig_medge; eidx < numEdges; eidx++, ed++) {
if (!ELEM(edge_users[eidx], INVALID_UNUSED, INVALID_PAIR)) {
BLI_BITMAP_SET(orig_mvert_tag, ed->v1);
BLI_BITMAP_SET(orig_mvert_tag, ed->v2);
STACK_PUSH(new_edge_arr, eidx);
newFaces++;
newLoops += 4;
}
}
#undef INVALID_UNUSED
#undef INVALID_PAIR
for (i = 0; i < numVerts; i++) {
if (BLI_BITMAP_GET(orig_mvert_tag, i)) {
old_vert_arr[i] = STACK_SIZE(new_vert_arr);
STACK_PUSH(new_vert_arr, i);
newEdges++;
}
}
MEM_freeN(orig_mvert_tag);
}
if (smd->flag & MOD_SOLIDIFY_NORMAL_CALC) {
vert_nors = MEM_callocN(sizeof(float) * (size_t)numVerts * 3, "mod_solid_vno_hq");
dm_calc_normal(dm, face_nors, vert_nors);
}
result = CDDM_from_template(dm,
(int)(numVerts * 2),
(int)((numEdges * 2) + newEdges), 0,
(int)((numLoops * 2) + newLoops),
(int)((numFaces * 2) + newFaces));
mpoly = CDDM_get_polys(result);
mloop = CDDM_get_loops(result);
medge = CDDM_get_edges(result);
mvert = CDDM_get_verts(result);
DM_copy_edge_data(dm, result, 0, 0, (int)numEdges);
DM_copy_edge_data(dm, result, 0, (int)numEdges, (int)numEdges);
DM_copy_vert_data(dm, result, 0, 0, (int)numVerts);
DM_copy_vert_data(dm, result, 0, (int)numVerts, (int)numVerts);
DM_copy_loop_data(dm, result, 0, 0, (int)numLoops);
DM_copy_loop_data(dm, result, 0, (int)numLoops, (int)numLoops);
DM_copy_poly_data(dm, result, 0, 0, (int)numFaces);
DM_copy_poly_data(dm, result, 0, (int)numFaces, (int)numFaces);
/* flip normals */
mp = mpoly + numFaces;
for (i = 0; i < dm->numPolyData; i++, mp++) {
MLoop *ml2;
unsigned int e;
int j;
ml2 = mloop + mp->loopstart + dm->numLoopData;
for (j = 0; j < mp->totloop; j++) {
CustomData_copy_data(&dm->loopData, &result->loopData, mp->loopstart + j,
mp->loopstart + (mp->totloop - j - 1) + dm->numLoopData, 1);
}
if (mat_ofs) {
mp->mat_nr += mat_ofs;
CLAMP(mp->mat_nr, 0, mat_nr_max);
}
e = ml2[0].e;
for (j = 0; j < mp->totloop - 1; j++) {
ml2[j].e = ml2[j + 1].e;
}
ml2[mp->totloop - 1].e = e;
mp->loopstart += dm->numLoopData;
for (j = 0; j < mp->totloop; j++) {
ml2[j].e += numEdges;
ml2[j].v += numVerts;
}
}
for (i = 0, ed = medge + numEdges; i < numEdges; i++, ed++) {
ed->v1 += numVerts;
ed->v2 += numVerts;
}
/* note, copied vertex layers don't have flipped normals yet. do this after applying offset */
if ((smd->flag & MOD_SOLIDIFY_EVEN) == 0) {
/* no even thickness, very simple */
float scalar_short;
float scalar_short_vgroup;
/* for clamping */
float *vert_lens = NULL;
const float offset = fabsf(smd->offset) * smd->offset_clamp;
const float offset_sq = offset * offset;
if (do_clamp) {
vert_lens = MEM_mallocN(sizeof(float) * numVerts, "vert_lens");
fill_vn_fl(vert_lens, (int)numVerts, FLT_MAX);
for (i = 0; i < numEdges; i++) {
const float ed_len_sq = len_squared_v3v3(mvert[medge[i].v1].co, mvert[medge[i].v2].co);
vert_lens[medge[i].v1] = min_ff(vert_lens[medge[i].v1], ed_len_sq);
vert_lens[medge[i].v2] = min_ff(vert_lens[medge[i].v2], ed_len_sq);
}
}
if (ofs_new != 0.0f) {
scalar_short = scalar_short_vgroup = ofs_new / 32767.0f;
mv = mvert + (((ofs_new >= ofs_orig) == do_flip) ? numVerts : 0);
dv = dvert;
for (i = 0; i < numVerts; i++, mv++) {
if (dv) {
if (defgrp_invert) scalar_short_vgroup = 1.0f - defvert_find_weight(dv, defgrp_index);
else scalar_short_vgroup = defvert_find_weight(dv, defgrp_index);
scalar_short_vgroup = (offset_fac_vg + (scalar_short_vgroup * offset_fac_vg_inv)) * scalar_short;
dv++;
}
if (do_clamp) {
/* always reset becaise we may have set before */
if (dv == NULL) {
scalar_short_vgroup = scalar_short;
}
if (vert_lens[i] < offset_sq) {
float scalar = sqrtf(vert_lens[i]) / offset;
scalar_short_vgroup *= scalar;
}
}
madd_v3v3short_fl(mv->co, mv->no, scalar_short_vgroup);
}
}
if (ofs_orig != 0.0f) {
scalar_short = scalar_short_vgroup = ofs_orig / 32767.0f;
mv = mvert + (((ofs_new >= ofs_orig) == do_flip) ? 0 : numVerts); /* as above but swapped */
dv = dvert;
for (i = 0; i < numVerts; i++, mv++) {
if (dv) {
if (defgrp_invert) scalar_short_vgroup = 1.0f - defvert_find_weight(dv, defgrp_index);
else scalar_short_vgroup = defvert_find_weight(dv, defgrp_index);
scalar_short_vgroup = (offset_fac_vg + (scalar_short_vgroup * offset_fac_vg_inv)) * scalar_short;
dv++;
}
if (do_clamp) {
/* always reset becaise we may have set before */
if (dv == NULL) {
scalar_short_vgroup = scalar_short;
}
if (vert_lens[i] < offset_sq) {
float scalar = sqrtf(vert_lens[i]) / offset;
scalar_short_vgroup *= scalar;
}
}
madd_v3v3short_fl(mv->co, mv->no, scalar_short_vgroup);
}
}
if (do_clamp) {
MEM_freeN(vert_lens);
}
}
else {
#ifdef USE_NONMANIFOLD_WORKAROUND
const bool check_non_manifold = (smd->flag & MOD_SOLIDIFY_NORMAL_CALC) != 0;
#endif
/* same as EM_solidify() in editmesh_lib.c */
float *vert_angles = MEM_callocN(sizeof(float) * numVerts * 2, "mod_solid_pair"); /* 2 in 1 */
float *vert_accum = vert_angles + numVerts;
unsigned int vidx;
if (vert_nors == NULL) {
vert_nors = MEM_mallocN(sizeof(float) * numVerts * 3, "mod_solid_vno");
for (i = 0, mv = mvert; i < numVerts; i++, mv++) {
normal_short_to_float_v3(vert_nors[i], mv->no);
}
}
for (i = 0, mp = mpoly; i < numFaces; i++, mp++) {
/* #BKE_mesh_calc_poly_angles logic is inlined here */
float nor_prev[3];
float nor_next[3];
int i_curr = mp->totloop - 1;
int i_next = 0;
ml = &mloop[mp->loopstart];
sub_v3_v3v3(nor_prev, mvert[ml[i_curr - 1].v].co, mvert[ml[i_curr].v].co);
normalize_v3(nor_prev);
while (i_next < mp->totloop) {
float angle;
sub_v3_v3v3(nor_next, mvert[ml[i_curr].v].co, mvert[ml[i_next].v].co);
normalize_v3(nor_next);
angle = angle_normalized_v3v3(nor_prev, nor_next);
/* --- not related to angle calc --- */
if (angle < FLT_EPSILON) {
angle = FLT_EPSILON;
}
vidx = ml[i_curr].v;
vert_accum[vidx] += angle;
#ifdef USE_NONMANIFOLD_WORKAROUND
/* skip 3+ face user edges */
if ((check_non_manifold == false) ||
LIKELY(((orig_medge[ml[i_curr].e].flag & ME_EDGE_TMP_TAG) == 0) &&
((orig_medge[ml[i_next].e].flag & ME_EDGE_TMP_TAG) == 0)))
{
vert_angles[vidx] += shell_angle_to_dist(angle_normalized_v3v3(vert_nors[vidx], face_nors[i])) * angle;
}
else {
vert_angles[vidx] += angle;
}
#else
vert_angles[vidx] += shell_angle_to_dist(angle_normalized_v3v3(vert_nors[vidx], face_nors[i])) * angle;
#endif
/* --- end non-angle-calc section --- */
/* step */
copy_v3_v3(nor_prev, nor_next);
i_curr = i_next;
i_next++;
}
}
/* vertex group support */
if (dvert) {
float scalar;
dv = dvert;
if (defgrp_invert) {
for (i = 0; i < numVerts; i++, dv++) {
scalar = 1.0f - defvert_find_weight(dv, defgrp_index);
scalar = offset_fac_vg + (scalar * offset_fac_vg_inv);
vert_angles[i] *= scalar;
}
}
else {
for (i = 0; i < numVerts; i++, dv++) {
scalar = defvert_find_weight(dv, defgrp_index);
scalar = offset_fac_vg + (scalar * offset_fac_vg_inv);
vert_angles[i] *= scalar;
}
}
}
if (do_clamp) {
float *vert_lens_sq = MEM_callocN(sizeof(float) * numVerts, "vert_lens");
const float offset = fabsf(smd->offset) * smd->offset_clamp;
const float offset_sq = offset * offset;
fill_vn_fl(vert_lens_sq, (int)numVerts, FLT_MAX);
for (i = 0; i < numEdges; i++) {
const float ed_len = len_squared_v3v3(mvert[medge[i].v1].co, mvert[medge[i].v2].co);
vert_lens_sq[medge[i].v1] = min_ff(vert_lens_sq[medge[i].v1], ed_len);
vert_lens_sq[medge[i].v2] = min_ff(vert_lens_sq[medge[i].v2], ed_len);
}
for (i = 0; i < numVerts; i++) {
if (vert_lens_sq[i] < offset_sq) {
float scalar = sqrtf(vert_lens_sq[i]) / offset;
vert_angles[i] *= scalar;
}
}
MEM_freeN(vert_lens_sq);
}
if (ofs_new) {
mv = mvert + (((ofs_new >= ofs_orig) == do_flip) ? numVerts : 0);
for (i = 0; i < numVerts; i++, mv++) {
if (vert_accum[i]) { /* zero if unselected */
madd_v3_v3fl(mv->co, vert_nors[i], ofs_new * (vert_angles[i] / vert_accum[i]));
}
}
}
if (ofs_orig) {
/* same as above but swapped, intentional use of 'ofs_new' */
mv = mvert + (((ofs_new >= ofs_orig) == do_flip) ? 0 : numVerts);
for (i = 0; i < numVerts; i++, mv++) {
if (vert_accum[i]) { /* zero if unselected */
madd_v3_v3fl(mv->co, vert_nors[i], ofs_orig * (vert_angles[i] / vert_accum[i]));
}
}
}
MEM_freeN(vert_angles);
}
if (vert_nors)
MEM_freeN(vert_nors);
/* must recalculate normals with vgroups since they can displace unevenly [#26888] */
if ((dm->dirty & DM_DIRTY_NORMALS) || (smd->flag & MOD_SOLIDIFY_RIM) || dvert) {
result->dirty |= DM_DIRTY_NORMALS;
}
else {
/* flip vertex normals for copied verts */
mv = mvert + numVerts;
for (i = 0; i < numVerts; i++, mv++) {
negate_v3_short(mv->no);
}
}
if (smd->flag & MOD_SOLIDIFY_RIM) {
/* bugger, need to re-calculate the normals for the new edge faces.
* This could be done in many ways, but probably the quickest way
* is to calculate the average normals for side faces only.
* Then blend them with the normals of the edge verts.
*
* at the moment its easiest to allocate an entire array for every vertex,
* even though we only need edge verts - campbell
*/
#define SOLIDIFY_SIDE_NORMALS
#ifdef SOLIDIFY_SIDE_NORMALS
const bool do_side_normals = !(result->dirty & DM_DIRTY_NORMALS);
/* annoying to allocate these since we only need the edge verts, */
float (*edge_vert_nos)[3] = do_side_normals ? MEM_callocN(sizeof(float) * numVerts * 3, __func__) : NULL;
float nor[3];
#endif
const unsigned char crease_rim = smd->crease_rim * 255.0f;
const unsigned char crease_outer = smd->crease_outer * 255.0f;
const unsigned char crease_inner = smd->crease_inner * 255.0f;
int *origindex_edge;
int *orig_ed;
unsigned int j;
if (crease_rim || crease_outer || crease_inner) {
result->cd_flag |= ME_CDFLAG_EDGE_CREASE;
}
/* add faces & edges */
origindex_edge = result->getEdgeDataArray(result, CD_ORIGINDEX);
ed = &medge[numEdges * 2];
orig_ed = &origindex_edge[numEdges * 2];
for (i = 0; i < newEdges; i++, ed++, orig_ed++) {
ed->v1 = new_vert_arr[i];
ed->v2 = new_vert_arr[i] + numVerts;
ed->flag |= ME_EDGEDRAW;
*orig_ed = ORIGINDEX_NONE;
if (crease_rim) {
ed->crease = crease_rim;
}
}
/* faces */
mp = mpoly + (numFaces * 2);
ml = mloop + (numLoops * 2);
j = 0;
for (i = 0; i < newFaces; i++, mp++) {
unsigned int eidx = new_edge_arr[i];
unsigned int fidx = edge_users[eidx];
int k1, k2;
bool flip;
if (fidx >= numFaces) {
fidx -= numFaces;
flip = true;
}
else {
flip = false;
}
ed = medge + eidx;
/* copy most of the face settings */
DM_copy_poly_data(dm, result, (int)fidx, (int)((numFaces * 2) + i), 1);
mp->loopstart = (int)(j + numLoops * 2);
mp->flag = mpoly[fidx].flag;
/* notice we use 'mp->totloop' which is later overwritten,
* we could lookup the original face but theres no point since this is a copy
* and will have the same value, just take care when changing order of assignment */
k1 = mpoly[fidx].loopstart + (((edge_order[eidx] - 1) + mp->totloop) % mp->totloop); /* prev loop */
k2 = mpoly[fidx].loopstart + (edge_order[eidx]);
mp->totloop = 4;
CustomData_copy_data(&dm->loopData, &result->loopData, k2, (int)(numLoops * 2 + j + 0), 1);
CustomData_copy_data(&dm->loopData, &result->loopData, k1, (int)(numLoops * 2 + j + 1), 1);
CustomData_copy_data(&dm->loopData, &result->loopData, k1, (int)(numLoops * 2 + j + 2), 1);
CustomData_copy_data(&dm->loopData, &result->loopData, k2, (int)(numLoops * 2 + j + 3), 1);
if (flip == FALSE) {
ml[j].v = ed->v1;
ml[j++].e = eidx;
ml[j].v = ed->v2;
ml[j++].e = numEdges * 2 + old_vert_arr[ed->v2];
ml[j].v = ed->v2 + numVerts;
ml[j++].e = eidx + numEdges;
ml[j].v = ed->v1 + numVerts;
ml[j++].e = numEdges * 2 + old_vert_arr[ed->v1];
}
else {
ml[j].v = ed->v2;
ml[j++].e = eidx;
ml[j].v = ed->v1;
ml[j++].e = numEdges * 2 + old_vert_arr[ed->v1];
ml[j].v = ed->v1 + numVerts;
ml[j++].e = eidx + numEdges;
ml[j].v = ed->v2 + numVerts;
ml[j++].e = numEdges * 2 + old_vert_arr[ed->v2];
}
origindex_edge[ml[j - 3].e] = ORIGINDEX_NONE;
origindex_edge[ml[j - 1].e] = ORIGINDEX_NONE;
/* use the next material index if option enabled */
if (mat_ofs_rim) {
mp->mat_nr += mat_ofs_rim;
CLAMP(mp->mat_nr, 0, mat_nr_max);
}
if (crease_outer) {
/* crease += crease_outer; without wrapping */
unsigned char *cr = (unsigned char *)&(ed->crease);
int tcr = *cr + crease_outer;
*cr = tcr > 255 ? 255 : tcr;
}
if (crease_inner) {
/* crease += crease_inner; without wrapping */
unsigned char *cr = (unsigned char *)&(medge[numEdges + eidx].crease);
int tcr = *cr + crease_inner;
*cr = tcr > 255 ? 255 : tcr;
}
#ifdef SOLIDIFY_SIDE_NORMALS
if (do_side_normals) {
normal_quad_v3(nor,
mvert[ml[j - 4].v].co,
mvert[ml[j - 3].v].co,
mvert[ml[j - 2].v].co,
mvert[ml[j - 1].v].co);
add_v3_v3(edge_vert_nos[ed->v1], nor);
add_v3_v3(edge_vert_nos[ed->v2], nor);
}
#endif
}
#ifdef SOLIDIFY_SIDE_NORMALS
if (do_side_normals) {
ed = medge + (numEdges * 2);
for (i = 0; i < newEdges; i++, ed++) {
float nor_cpy[3];
short *nor_short;
int k;
/* note, only the first vertex (lower half of the index) is calculated */
normalize_v3_v3(nor_cpy, edge_vert_nos[ed->v1]);
for (k = 0; k < 2; k++) { /* loop over both verts of the edge */
nor_short = mvert[*(&ed->v1 + k)].no;
normal_short_to_float_v3(nor, nor_short);
add_v3_v3(nor, nor_cpy);
normalize_v3(nor);
normal_float_to_short_v3(nor_short, nor);
}
}
MEM_freeN(edge_vert_nos);
}
#endif
MEM_freeN(new_vert_arr);
MEM_freeN(new_edge_arr);
MEM_freeN(edge_users);
MEM_freeN(edge_order);
}
STACK_FREE(new_vert_arr);
STACK_FREE(new_edge_arr);
if (old_vert_arr)
MEM_freeN(old_vert_arr);
if (face_nors)
MEM_freeN(face_nors);
if (numFaces == 0 && numEdges != 0) {
modifier_setError(md, "Faces needed for useful output");
}
return result;
}
