static DMDrawOption draw_mesh_face_select__setSelectOpts(void *userData, int index)
{
drawMeshFaceSelect_userData *data = userData;
MEdge *med = &data->me->medge[index];
uintptr_t flags = (intptr_t) BLI_edgehash_lookup(data->eh, med->v1, med->v2);
return (flags & eEdge_Select) ? DM_DRAW_OPTION_NORMAL : DM_DRAW_OPTION_SKIP;
}
static void polyedge_beauty_cost_update(
const float (*coords)[2],
const unsigned int (*tris)[3],
const struct PolyEdge *edges,
struct PolyEdge *e,
Heap *eheap, HeapNode **eheap_table,
EdgeHash *ehash)
{
const unsigned int *tri_0 = tris[e->faces[0]];
const unsigned int *tri_1 = tris[e->faces[1]];
unsigned int i;
struct PolyEdge *e_arr[4] = {
BLI_edgehash_lookup(ehash,
tri_0[(e->faces_other_v[0] ) % 3],
tri_0[(e->faces_other_v[0] + 1) % 3]),
BLI_edgehash_lookup(ehash,
tri_0[(e->faces_other_v[0] + 2) % 3],
tri_0[(e->faces_other_v[0] ) % 3]),
BLI_edgehash_lookup(ehash,
tri_1[(e->faces_other_v[1] ) % 3],
tri_1[(e->faces_other_v[1] + 1) % 3]),
BLI_edgehash_lookup(ehash,
tri_1[(e->faces_other_v[1] + 2) % 3],
tri_1[(e->faces_other_v[1] ) % 3]),
};
for (i = 0; i < 4; i++) {
if (e_arr[i]) {
BLI_assert(!(ELEM(e_arr[i]->faces[0], UNPACK2(e->faces)) &&
ELEM(e_arr[i]->faces[1], UNPACK2(e->faces))));
polyedge_beauty_cost_update_single(
coords, tris, edges,
e_arr[i],
eheap, eheap_table);
}
}
}
static DMDrawOption draw_mesh_face_select__setHiddenOpts(void *userData, int index)
{
drawMeshFaceSelect_userData *data = userData;
Mesh *me = data->me;
MEdge *med = &me->medge[index];
uintptr_t flags = (intptr_t) BLI_edgehash_lookup(data->eh, med->v1, med->v2);
if (me->drawflag & ME_DRAWEDGES) {
if ((me->drawflag & ME_HIDDENEDGES) || (flags & eEdge_Visible))
return DM_DRAW_OPTION_NORMAL;
else
return DM_DRAW_OPTION_SKIP;
}
else if (flags & eEdge_Select)
return DM_DRAW_OPTION_NORMAL;
else
return DM_DRAW_OPTION_SKIP;
}
/**
* Only to check for error-cases.
*/
static void polyfill_validate_tri(unsigned int (*tris)[3], unsigned int tri_index, EdgeHash *ehash)
{
const unsigned int *tri = tris[tri_index];
int j_curr;
BLI_assert(!ELEM(tri[0], tri[1], tri[2]) &&
!ELEM(tri[1], tri[0], tri[2]) &&
!ELEM(tri[2], tri[0], tri[1]));
for (j_curr = 0; j_curr < 3; j_curr++) {
struct PolyEdge *e;
unsigned int e_v1 = tri[(j_curr ) ];
unsigned int e_v2 = tri[(j_curr + 1) % 3];
e = BLI_edgehash_lookup(ehash, e_v1, e_v2);
if (e) {
if (e->faces[0] == tri_index) {
BLI_assert(e->verts[0] == e_v1);
BLI_assert(e->verts[1] == e_v2);
}
else if (e->faces[1] == tri_index) {
BLI_assert(e->verts[0] == e_v2);
BLI_assert(e->verts[1] == e_v1);
}
else {
BLI_assert(0);
}
BLI_assert(e->faces[0] != e->faces[1]);
BLI_assert(ELEM(e_v1, UNPACK3(tri)));
BLI_assert(ELEM(e_v2, UNPACK3(tri)));
BLI_assert(ELEM(e_v1, UNPACK2(e->verts)));
BLI_assert(ELEM(e_v2, UNPACK2(e->verts)));
BLI_assert(e_v1 != tris[e->faces[0]][e->faces_other_v[0]]);
BLI_assert(e_v1 != tris[e->faces[1]][e->faces_other_v[1]]);
BLI_assert(e_v2 != tris[e->faces[0]][e->faces_other_v[0]]);
BLI_assert(e_v2 != tris[e->faces[1]][e->faces_other_v[1]]);
BLI_assert(ELEM(tri_index, UNPACK2(e->faces)));
}
}
}
static void polyedge_rotate(
unsigned int (*tris)[3],
struct PolyEdge *e,
EdgeHash *ehash)
{
unsigned int e_v1_new = tris[e->faces[0]][e->faces_other_v[0]];
unsigned int e_v2_new = tris[e->faces[1]][e->faces_other_v[1]];
#ifndef NDEBUG
polyfill_validate_tri(tris, e->faces[0], ehash);
polyfill_validate_tri(tris, e->faces[1], ehash);
#endif
BLI_assert(e_v1_new != e_v2_new);
BLI_assert(!ELEM(e_v2_new, UNPACK3(tris[e->faces[0]])));
BLI_assert(!ELEM(e_v1_new, UNPACK3(tris[e->faces[1]])));
tris[e->faces[0]][(e->faces_other_v[0] + 1) % 3] = e_v2_new;
tris[e->faces[1]][(e->faces_other_v[1] + 1) % 3] = e_v1_new;
e->faces_other_v[0] = (e->faces_other_v[0] + 2) % 3;
e->faces_other_v[1] = (e->faces_other_v[1] + 2) % 3;
BLI_assert((tris[e->faces[0]][e->faces_other_v[0]] != e_v1_new) &&
(tris[e->faces[0]][e->faces_other_v[0]] != e_v2_new));
BLI_assert((tris[e->faces[1]][e->faces_other_v[1]] != e_v1_new) &&
(tris[e->faces[1]][e->faces_other_v[1]] != e_v2_new));
BLI_edgehash_remove(ehash, e->verts[0], e->verts[1], NULL);
BLI_edgehash_insert(ehash, e_v1_new, e_v2_new, e);
if (e_v1_new < e_v2_new) {
e->verts[0] = e_v1_new;
e->verts[1] = e_v2_new;
}
else {
/* maintain winding info */
e->verts[0] = e_v2_new;
e->verts[1] = e_v1_new;
SWAP(unsigned int, e->faces[0], e->faces[1]);
SWAP(unsigned int, e->faces_other_v[0], e->faces_other_v[1]);
}
/* update adjacent data */
{
unsigned int e_side = 0;
for (e_side = 0; e_side < 2; e_side++) {
/* 't_other' which we need to swap out is always the same edge-order */
const unsigned int t_other = (((e->faces_other_v[e_side]) + 2)) % 3;
unsigned int t_index = e->faces[e_side];
unsigned int t_index_other = e->faces[!e_side];
unsigned int *tri = tris[t_index];
struct PolyEdge *e_other;
unsigned int e_v1 = tri[(t_other ) ];
unsigned int e_v2 = tri[(t_other + 1) % 3];
e_other = BLI_edgehash_lookup(ehash, e_v1, e_v2);
if (e_other) {
BLI_assert(t_index != e_other->faces[0] && t_index != e_other->faces[1]);
if (t_index_other == e_other->faces[0]) {
e_other->faces[0] = t_index;
e_other->faces_other_v[0] = (t_other + 2) % 3;
BLI_assert(!ELEM(tri[e_other->faces_other_v[0]], e_v1, e_v2));
}
else if (t_index_other == e_other->faces[1]) {
e_other->faces[1] = t_index;
e_other->faces_other_v[1] = (t_other + 2) % 3;
BLI_assert(!ELEM(tri[e_other->faces_other_v[1]], e_v1, e_v2));
}
else {
BLI_assert(0);
}
}
}
}
#ifndef NDEBUG
polyfill_validate_tri(tris, e->faces[0], ehash);
polyfill_validate_tri(tris, e->faces[1], ehash);
#endif
BLI_assert(!ELEM(tris[e->faces[0]][e->faces_other_v[0]], UNPACK2(e->verts)));
BLI_assert(!ELEM(tris[e->faces[1]][e->faces_other_v[1]], UNPACK2(e->verts)));
}
static int laplacian_edge_count(EdgeHash *edgehash, int v1, int v2)
{
return (int)(intptr_t)BLI_edgehash_lookup(edgehash, v1, v2);
}
/**
* Calculate edges from polygons
*
* \param mesh The mesh to add edges into
* \param update When true create new edges co-exist
*/
void BKE_mesh_calc_edges(Mesh *mesh, bool update, const bool select)
{
CustomData edata;
EdgeHashIterator *ehi;
MPoly *mp;
MEdge *med, *med_orig;
EdgeHash *eh = BLI_edgehash_new();
int i, totedge, totpoly = mesh->totpoly;
int med_index;
/* select for newly created meshes which are selected [#25595] */
const short ed_flag = (ME_EDGEDRAW | ME_EDGERENDER) | (select ? SELECT : 0);
if (mesh->totedge == 0)
update = false;
if (update) {
/* assume existing edges are valid
* useful when adding more faces and generating edges from them */
med = mesh->medge;
for (i = 0; i < mesh->totedge; i++, med++)
BLI_edgehash_insert(eh, med->v1, med->v2, med);
}
/* mesh loops (bmesh only) */
for (mp = mesh->mpoly, i = 0; i < totpoly; mp++, i++) {
MLoop *l = &mesh->mloop[mp->loopstart];
int j, l_prev = (l + (mp->totloop - 1))->v;
for (j = 0; j < mp->totloop; j++, l++) {
if (!BLI_edgehash_haskey(eh, l_prev, l->v)) {
BLI_edgehash_insert(eh, l_prev, l->v, NULL);
}
l_prev = l->v;
}
}
totedge = BLI_edgehash_size(eh);
/* write new edges into a temporary CustomData */
CustomData_reset(&edata);
CustomData_add_layer(&edata, CD_MEDGE, CD_CALLOC, NULL, totedge);
med = CustomData_get_layer(&edata, CD_MEDGE);
for (ehi = BLI_edgehashIterator_new(eh), i = 0;
BLI_edgehashIterator_isDone(ehi) == FALSE;
BLI_edgehashIterator_step(ehi), ++i, ++med)
{
if (update && (med_orig = BLI_edgehashIterator_getValue(ehi))) {
*med = *med_orig; /* copy from the original */
}
else {
BLI_edgehashIterator_getKey(ehi, &med->v1, &med->v2);
med->flag = ed_flag;
}
/* store the new edge index in the hash value */
BLI_edgehashIterator_setValue(ehi, SET_INT_IN_POINTER(i));
}
BLI_edgehashIterator_free(ehi);
if (mesh->totpoly) {
/* second pass, iterate through all loops again and assign
* the newly created edges to them. */
for (mp = mesh->mpoly, i = 0; i < mesh->totpoly; mp++, i++) {
MLoop *l = &mesh->mloop[mp->loopstart];
MLoop *l_prev = (l + (mp->totloop - 1));
int j;
for (j = 0; j < mp->totloop; j++, l++) {
/* lookup hashed edge index */
med_index = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, l_prev->v, l->v));
l_prev->e = med_index;
l_prev = l;
}
}
}
/* free old CustomData and assign new one */
CustomData_free(&mesh->edata, mesh->totedge);
mesh->edata = edata;
mesh->totedge = totedge;
mesh->medge = CustomData_get_layer(&mesh->edata, CD_MEDGE);
BLI_edgehash_free(eh, NULL);
}
int BKE_mesh_validate_arrays(Mesh *mesh,
MVert *mverts, unsigned int totvert,
MEdge *medges, unsigned int totedge,
MFace *mfaces, unsigned int totface,
MLoop *mloops, unsigned int totloop,
MPoly *mpolys, unsigned int totpoly,
MDeformVert *dverts, /* assume totvert length */
const bool do_verbose, const bool do_fixes)
{
# define REMOVE_EDGE_TAG(_me) { _me->v2 = _me->v1; do_edge_free = true; } (void)0
# define IS_REMOVED_EDGE(_me) (_me->v2 == _me->v1)
# define REMOVE_LOOP_TAG(_ml) { _ml->e = INVALID_LOOP_EDGE_MARKER; do_polyloop_free = true; } (void)0
# define REMOVE_POLY_TAG(_mp) { _mp->totloop *= -1; do_polyloop_free = true; } (void)0
MVert *mv = mverts;
MEdge *me;
MLoop *ml;
MPoly *mp;
unsigned int i, j;
int *v;
bool do_edge_free = false;
bool do_face_free = false;
bool do_polyloop_free = false; /* This regroups loops and polys! */
bool verts_fixed = false;
bool vert_weights_fixed = false;
bool msel_fixed = false;
bool do_edge_recalc = false;
EdgeHash *edge_hash = BLI_edgehash_new();
BLI_assert(!(do_fixes && mesh == NULL));
PRINT("%s: verts(%u), edges(%u), loops(%u), polygons(%u)\n",
__func__, totvert, totedge, totloop, totpoly);
if (totedge == 0 && totpoly != 0) {
PRINT("\tLogical error, %u polygons and 0 edges\n", totpoly);
do_edge_recalc = do_fixes;
}
for (i = 1; i < totvert; i++, mv++) {
int fix_normal = TRUE;
for (j = 0; j < 3; j++) {
if (!finite(mv->co[j])) {
PRINT("\tVertex %u: has invalid coordinate\n", i);
if (do_fixes) {
zero_v3(mv->co);
verts_fixed = TRUE;
}
}
if (mv->no[j] != 0)
fix_normal = FALSE;
}
if (fix_normal) {
PRINT("\tVertex %u: has zero normal, assuming Z-up normal\n", i);
if (do_fixes) {
mv->no[2] = SHRT_MAX;
verts_fixed = TRUE;
}
}
}
for (i = 0, me = medges; i < totedge; i++, me++) {
int remove = FALSE;
if (me->v1 == me->v2) {
PRINT("\tEdge %u: has matching verts, both %u\n", i, me->v1);
remove = do_fixes;
}
if (me->v1 >= totvert) {
PRINT("\tEdge %u: v1 index out of range, %u\n", i, me->v1);
remove = do_fixes;
}
if (me->v2 >= totvert) {
PRINT("\tEdge %u: v2 index out of range, %u\n", i, me->v2);
remove = do_fixes;
}
if (BLI_edgehash_haskey(edge_hash, me->v1, me->v2)) {
PRINT("\tEdge %u: is a duplicate of %d\n", i,
GET_INT_FROM_POINTER(BLI_edgehash_lookup(edge_hash, me->v1, me->v2)));
remove = do_fixes;
}
if (remove == FALSE) {
BLI_edgehash_insert(edge_hash, me->v1, me->v2, SET_INT_IN_POINTER(i));
}
else {
REMOVE_EDGE_TAG(me);
}
}
if (mfaces && !mpolys) {
# define REMOVE_FACE_TAG(_mf) { _mf->v3 = 0; do_face_free = TRUE; } (void)0
# define CHECK_FACE_VERT_INDEX(a, b) \
if (mf->a == mf->b) { \
PRINT(" face %u: verts invalid, " STRINGIFY(a) "/" STRINGIFY(b) " both %u\n", i, mf->a); \
remove = do_fixes; \
} (void)0
# define CHECK_FACE_EDGE(a, b) \
if (!BLI_edgehash_haskey(edge_hash, mf->a, mf->b)) { \
PRINT(" face %u: edge " STRINGIFY(a) "/" STRINGIFY(b) \
" (%u,%u) is missing egde data\n", i, mf->a, mf->b); \
do_edge_recalc = TRUE; \
} (void)0
MFace *mf;
MFace *mf_prev;
SortFace *sort_faces = MEM_callocN(sizeof(SortFace) * totface, "search faces");
SortFace *sf;
SortFace *sf_prev;
unsigned int totsortface = 0;
PRINT("No Polys, only tesselated Faces\n");
for (i = 0, mf = mfaces, sf = sort_faces; i < totface; i++, mf++) {
int remove = FALSE;
int fidx;
unsigned int fv[4];
fidx = mf->v4 ? 3 : 2;
do {
fv[fidx] = *(&(mf->v1) + fidx);
if (fv[fidx] >= totvert) {
PRINT("\tFace %u: 'v%d' index out of range, %u\n", i, fidx + 1, fv[fidx]);
remove = do_fixes;
}
} while (fidx--);
if (remove == FALSE) {
if (mf->v4) {
CHECK_FACE_VERT_INDEX(v1, v2);
CHECK_FACE_VERT_INDEX(v1, v3);
CHECK_FACE_VERT_INDEX(v1, v4);
CHECK_FACE_VERT_INDEX(v2, v3);
CHECK_FACE_VERT_INDEX(v2, v4);
CHECK_FACE_VERT_INDEX(v3, v4);
}
else {
CHECK_FACE_VERT_INDEX(v1, v2);
CHECK_FACE_VERT_INDEX(v1, v3);
CHECK_FACE_VERT_INDEX(v2, v3);
}
if (remove == FALSE) {
if (totedge) {
if (mf->v4) {
CHECK_FACE_EDGE(v1, v2);
CHECK_FACE_EDGE(v2, v3);
CHECK_FACE_EDGE(v3, v4);
CHECK_FACE_EDGE(v4, v1);
}
else {
CHECK_FACE_EDGE(v1, v2);
CHECK_FACE_EDGE(v2, v3);
CHECK_FACE_EDGE(v3, v1);
}
}
sf->index = i;
if (mf->v4) {
edge_store_from_mface_quad(sf->es, mf);
qsort(sf->es, 4, sizeof(int64_t), int64_cmp);
}
else {
edge_store_from_mface_tri(sf->es, mf);
qsort(sf->es, 3, sizeof(int64_t), int64_cmp);
}
totsortface++;
sf++;
}
}
if (remove) {
REMOVE_FACE_TAG(mf);
}
}
qsort(sort_faces, totsortface, sizeof(SortFace), search_face_cmp);
sf = sort_faces;
sf_prev = sf;
sf++;
for (i = 1; i < totsortface; i++, sf++) {
int remove = FALSE;
/* on a valid mesh, code below will never run */
if (memcmp(sf->es, sf_prev->es, sizeof(sf_prev->es)) == 0) {
mf = mfaces + sf->index;
if (do_verbose) {
mf_prev = mfaces + sf_prev->index;
if (mf->v4) {
PRINT("\tFace %u & %u: are duplicates (%u,%u,%u,%u) (%u,%u,%u,%u)\n",
sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf->v4,
mf_prev->v1, mf_prev->v2, mf_prev->v3, mf_prev->v4);
}
else {
PRINT("\tFace %u & %u: are duplicates (%u,%u,%u) (%u,%u,%u)\n",
sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3,
mf_prev->v1, mf_prev->v2, mf_prev->v3);
}
}
remove = do_fixes;
}
else {
sf_prev = sf;
}
if (remove) {
REMOVE_FACE_TAG(mf);
}
}
MEM_freeN(sort_faces);
# undef REMOVE_FACE_TAG
# undef CHECK_FACE_VERT_INDEX
# undef CHECK_FACE_EDGE
}
/* Checking loops and polys is a bit tricky, as they are quite intricated...
*
* Polys must have:
* - a valid loopstart value.
* - a valid totloop value (>= 3 and loopstart+totloop < me.totloop).
*
* Loops must have:
* - a valid v value.
* - a valid e value (corresponding to the edge it defines with the next loop in poly).
*
* Also, loops not used by polys can be discarded.
* And "intersecting" loops (i.e. loops used by more than one poly) are invalid,
* so be sure to leave at most one poly per loop!
*/
{
SortPoly *sort_polys = MEM_callocN(sizeof(SortPoly) * totpoly, "mesh validate's sort_polys");
SortPoly *prev_sp, *sp = sort_polys;
int prev_end;
for (i = 0, mp = mpolys; i < totpoly; i++, mp++, sp++) {
sp->index = i;
if (mp->loopstart < 0 || mp->totloop < 3) {
/* Invalid loop data. */
PRINT("\tPoly %u is invalid (loopstart: %u, totloop: %u)\n", sp->index, mp->loopstart, mp->totloop);
sp->invalid = TRUE;
}
else if (mp->loopstart + mp->totloop > totloop) {
/* Invalid loop data. */
PRINT("\tPoly %u uses loops out of range (loopstart: %u, loopend: %u, max nbr of loops: %u)\n",
sp->index, mp->loopstart, mp->loopstart + mp->totloop - 1, totloop - 1);
sp->invalid = TRUE;
}
else {
/* Poly itself is valid, for now. */
int v1, v2; /* v1 is prev loop vert idx, v2 is current loop one. */
sp->invalid = FALSE;
sp->verts = v = MEM_mallocN(sizeof(int) * mp->totloop, "Vert idx of SortPoly");
sp->numverts = mp->totloop;
sp->loopstart = mp->loopstart;
/* Test all poly's loops' vert idx. */
for (j = 0, ml = &mloops[sp->loopstart]; j < mp->totloop; j++, ml++, v++) {
if (ml->v >= totvert) {
/* Invalid vert idx. */
PRINT("\tLoop %u has invalid vert reference (%u)\n", sp->loopstart + j, ml->v);
sp->invalid = TRUE;
}
mverts[ml->v].flag |= ME_VERT_TMP_TAG;
*v = ml->v;
}
/* is the same vertex used more than once */
if (!sp->invalid) {
v = sp->verts;
for (j = 0; j < mp->totloop; j++, v++) {
if ((mverts[*v].flag & ME_VERT_TMP_TAG) == 0) {
PRINT("\tPoly %u has duplicate vert reference at corner (%u)\n", i, j);
sp->invalid = TRUE;
}
mverts[*v].flag &= ~ME_VERT_TMP_TAG;
}
}
if (sp->invalid)
continue;
/* Test all poly's loops. */
for (j = 0, ml = &mloops[sp->loopstart]; j < mp->totloop; j++, ml++) {
v1 = ml->v;
v2 = mloops[sp->loopstart + (j + 1) % mp->totloop].v;
if (!BLI_edgehash_haskey(edge_hash, v1, v2)) {
/* Edge not existing. */
PRINT("\tPoly %u needs missing edge (%u, %u)\n", sp->index, v1, v2);
if (do_fixes)
do_edge_recalc = TRUE;
else
sp->invalid = TRUE;
}
else if (ml->e >= totedge) {
/* Invalid edge idx.
* We already know from previous text that a valid edge exists, use it (if allowed)! */
if (do_fixes) {
int prev_e = ml->e;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(edge_hash, v1, v2));
PRINT("\tLoop %u has invalid edge reference (%u), fixed using edge %u\n",
sp->loopstart + j, prev_e, ml->e);
}
else {
PRINT("\tLoop %u has invalid edge reference (%u)\n", sp->loopstart + j, ml->e);
sp->invalid = TRUE;
}
}
else {
me = &medges[ml->e];
if (IS_REMOVED_EDGE(me) || !((me->v1 == v1 && me->v2 == v2) || (me->v1 == v2 && me->v2 == v1))) {
/* The pointed edge is invalid (tagged as removed, or vert idx mismatch),
* and we already know from previous test that a valid one exists, use it (if allowed)! */
if (do_fixes) {
int prev_e = ml->e;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(edge_hash, v1, v2));
PRINT("\tPoly %u has invalid edge reference (%u), fixed using edge %u\n",
sp->index, prev_e, ml->e);
}
else {
PRINT("\tPoly %u has invalid edge reference (%u)\n", sp->index, ml->e);
sp->invalid = TRUE;
}
}
}
}
/* Now check that that poly does not use a same vertex more than once! */
if (!sp->invalid) {
int *prev_v = v = sp->verts;
j = sp->numverts;
qsort(sp->verts, j, sizeof(int), int_cmp);
for (j--, v++; j; j--, v++) {
if (*v != *prev_v) {
int dlt = v - prev_v;
if (dlt > 1) {
PRINT("\tPoly %u is invalid, it multi-uses vertex %u (%u times)\n",
sp->index, *prev_v, dlt);
sp->invalid = TRUE;
}
prev_v = v;
}
}
if (v - prev_v > 1) { /* Don't forget final verts! */
PRINT("\tPoly %u is invalid, it multi-uses vertex %u (%u times)\n",
sp->index, *prev_v, (int)(v - prev_v));
sp->invalid = TRUE;
}
}
}
}
/* Second check pass, testing polys using the same verts. */
qsort(sort_polys, totpoly, sizeof(SortPoly), search_poly_cmp);
sp = prev_sp = sort_polys;
sp++;
for (i = 1; i < totpoly; i++, sp++) {
int p1_nv = sp->numverts, p2_nv = prev_sp->numverts;
int *p1_v = sp->verts, *p2_v = prev_sp->verts;
short p1_sub = TRUE, p2_sub = TRUE;
if (sp->invalid)
break;
/* Test same polys. */
#if 0
/* NOTE: This performs a sub-set test. */
/* XXX This (and the sort of verts list) is better than systematic
* search of all verts of one list into the other if lists have
* a fair amount of elements.
* Not sure however it's worth it in this case?
* But as we also need sorted vert list to check verts multi-used
* (in first pass of checks)... */
/* XXX If we consider only "equal" polys (i.e. using exactly same set of verts)
* as invalid, better to replace this by a simple memory cmp... */
while ((p1_nv && p2_nv) && (p1_sub || p2_sub)) {
if (*p1_v < *p2_v) {
if (p1_sub)
p1_sub = FALSE;
p1_nv--;
p1_v++;
}
else if (*p2_v < *p1_v) {
if (p2_sub)
p2_sub = FALSE;
p2_nv--;
p2_v++;
}
else {
/* Equality, both next verts. */
p1_nv--;
p2_nv--;
p1_v++;
p2_v++;
}
}
if (p1_nv && p1_sub)
p1_sub = FALSE;
else if (p2_nv && p2_sub)
p2_sub = FALSE;
if (p1_sub && p2_sub) {
PRINT("\tPolys %u and %u use same vertices, considering poly %u as invalid.\n",
prev_sp->index, sp->index, sp->index);
sp->invalid = TRUE;
}
/* XXX In fact, these might be valid? :/ */
else if (p1_sub) {
PRINT("\t%u is a sub-poly of %u, considering it as invalid.\n", sp->index, prev_sp->index);
sp->invalid = TRUE;
}
else if (p2_sub) {
PRINT("\t%u is a sub-poly of %u, considering it as invalid.\n", prev_sp->index, sp->index);
prev_sp->invalid = TRUE;
prev_sp = sp; /* sp is new reference poly. */
}
#else
if (0) {
p1_sub += 0;
p2_sub += 0;
}
if ((p1_nv == p2_nv) && (memcmp(p1_v, p2_v, p1_nv * sizeof(*p1_v)) == 0)) {
if (do_verbose) {
PRINT("\tPolys %u and %u use same vertices (%u",
prev_sp->index, sp->index, *p1_v);
for (j = 1; j < p1_nv; j++)
PRINT(", %u", p1_v[j]);
PRINT("), considering poly %u as invalid.\n", sp->index);
}
sp->invalid = TRUE;
}
#endif
else {
prev_sp = sp;
}
}
/* Third check pass, testing loops used by none or more than one poly. */
qsort(sort_polys, totpoly, sizeof(SortPoly), search_polyloop_cmp);
sp = sort_polys;
prev_sp = NULL;
prev_end = 0;
for (i = 0; i < totpoly; i++, sp++) {
/* Free this now, we don't need it anymore, and avoid us another loop! */
if (sp->verts)
MEM_freeN(sp->verts);
/* Note above prev_sp: in following code, we make sure it is always valid poly (or NULL). */
if (sp->invalid) {
if (do_fixes) {
REMOVE_POLY_TAG((&mpolys[sp->index]));
/* DO NOT REMOVE ITS LOOPS!!!
* As already invalid polys are at the end of the SortPoly list, the loops they
* were the only users have already been tagged as "to remove" during previous
* iterations, and we don't want to remove some loops that may be used by
* another valid poly! */
}
}
/* Test loops users. */
else {
/* Unused loops. */
if (prev_end < sp->loopstart) {
for (j = prev_end, ml = &mloops[prev_end]; j < sp->loopstart; j++, ml++) {
PRINT("\tLoop %u is unused.\n", j);
if (do_fixes)
REMOVE_LOOP_TAG(ml);
}
prev_end = sp->loopstart + sp->numverts;
prev_sp = sp;
}
/* Multi-used loops. */
else if (prev_end > sp->loopstart) {
PRINT("\tPolys %u and %u share loops from %u to %u, considering poly %u as invalid.\n",
prev_sp->index, sp->index, sp->loopstart, prev_end, sp->index);
if (do_fixes) {
REMOVE_POLY_TAG((&mpolys[sp->index]));
/* DO NOT REMOVE ITS LOOPS!!!
* They might be used by some next, valid poly!
* Just not updating prev_end/prev_sp vars is enough to ensure the loops
* effectively no more needed will be marked as "to be removed"! */
}
}
else {
prev_end = sp->loopstart + sp->numverts;
prev_sp = sp;
}
}
}
/* We may have some remaining unused loops to get rid of! */
if (prev_end < totloop) {
for (j = prev_end, ml = &mloops[prev_end]; j < totloop; j++, ml++) {
PRINT("\tLoop %u is unused.\n", j);
if (do_fixes)
REMOVE_LOOP_TAG(ml);
}
}
MEM_freeN(sort_polys);
}
BLI_edgehash_free(edge_hash, NULL);
/* fix deform verts */
if (dverts) {
MDeformVert *dv;
for (i = 0, dv = dverts; i < totvert; i++, dv++) {
MDeformWeight *dw;
for (j = 0, dw = dv->dw; j < dv->totweight; j++, dw++) {
/* note, greater then max defgroups is accounted for in our code, but not < 0 */
if (!finite(dw->weight)) {
PRINT("\tVertex deform %u, group %d has weight: %f\n", i, dw->def_nr, dw->weight);
if (do_fixes) {
dw->weight = 0.0f;
vert_weights_fixed = TRUE;
}
}
else if (dw->weight < 0.0f || dw->weight > 1.0f) {
PRINT("\tVertex deform %u, group %d has weight: %f\n", i, dw->def_nr, dw->weight);
if (do_fixes) {
CLAMP(dw->weight, 0.0f, 1.0f);
vert_weights_fixed = TRUE;
}
}
if (dw->def_nr < 0) {
PRINT("\tVertex deform %u, has invalid group %d\n", i, dw->def_nr);
if (do_fixes) {
defvert_remove_group(dv, dw);
if (dv->dw) {
/* re-allocated, the new values compensate for stepping
* within the for loop and may not be valid */
j--;
dw = dv->dw + j;
vert_weights_fixed = TRUE;
}
else { /* all freed */
break;
}
}
}
}
}
}
# undef REMOVE_EDGE_TAG
# undef IS_REMOVED_EDGE
# undef REMOVE_LOOP_TAG
# undef REMOVE_POLY_TAG
if (mesh) {
if (do_face_free) {
BKE_mesh_strip_loose_faces(mesh);
}
if (do_polyloop_free) {
BKE_mesh_strip_loose_polysloops(mesh);
}
if (do_edge_free) {
BKE_mesh_strip_loose_edges(mesh);
}
if (do_edge_recalc) {
BKE_mesh_calc_edges(mesh, true, false);
}
}
if (mesh && mesh->mselect) {
MSelect *msel;
int free_msel = FALSE;
for (i = 0, msel = mesh->mselect; i < mesh->totselect; i++, msel++) {
int tot_elem = 0;
if (msel->index < 0) {
PRINT("\tMesh select element %d type %d index is negative, "
"resetting selection stack.\n", i, msel->type);
free_msel = TRUE;
break;
}
switch (msel->type) {
case ME_VSEL:
tot_elem = mesh->totvert;
break;
case ME_ESEL:
tot_elem = mesh->totedge;
break;
case ME_FSEL:
tot_elem = mesh->totface;
break;
}
if (msel->index > tot_elem) {
PRINT("\tMesh select element %d type %d index %d is larger than data array size %d, "
"resetting selection stack.\n", i, msel->type, msel->index, tot_elem);
free_msel = TRUE;
break;
}
}
if (free_msel) {
MEM_freeN(mesh->mselect);
mesh->mselect = NULL;
mesh->totselect = 0;
}
}
PRINT("%s: finished\n\n", __func__);
return (verts_fixed || vert_weights_fixed || do_polyloop_free || do_edge_free || do_edge_recalc || msel_fixed);
}
/* thresh is threshold for comparing vertices, uvs, vertex colors,
* weights, etc.*/
static int customdata_compare(CustomData *c1, CustomData *c2, Mesh *m1, Mesh *m2, const float thresh)
{
const float thresh_sq = thresh * thresh;
CustomDataLayer *l1, *l2;
int i, i1 = 0, i2 = 0, tot, j;
for (i = 0; i < c1->totlayer; i++) {
if (ELEM7(c1->layers[i].type, CD_MVERT, CD_MEDGE, CD_MPOLY,
CD_MLOOPUV, CD_MLOOPCOL, CD_MTEXPOLY, CD_MDEFORMVERT))
{
i1++;
}
}
for (i = 0; i < c2->totlayer; i++) {
if (ELEM7(c2->layers[i].type, CD_MVERT, CD_MEDGE, CD_MPOLY,
CD_MLOOPUV, CD_MLOOPCOL, CD_MTEXPOLY, CD_MDEFORMVERT))
{
i2++;
}
}
if (i1 != i2)
return MESHCMP_CDLAYERS_MISMATCH;
l1 = c1->layers; l2 = c2->layers;
tot = i1;
i1 = 0; i2 = 0;
for (i = 0; i < tot; i++) {
while (i1 < c1->totlayer && !ELEM7(l1->type, CD_MVERT, CD_MEDGE, CD_MPOLY,
CD_MLOOPUV, CD_MLOOPCOL, CD_MTEXPOLY, CD_MDEFORMVERT))
{
i1++, l1++;
}
while (i2 < c2->totlayer && !ELEM7(l2->type, CD_MVERT, CD_MEDGE, CD_MPOLY,
CD_MLOOPUV, CD_MLOOPCOL, CD_MTEXPOLY, CD_MDEFORMVERT))
{
i2++, l2++;
}
if (l1->type == CD_MVERT) {
MVert *v1 = l1->data;
MVert *v2 = l2->data;
int vtot = m1->totvert;
for (j = 0; j < vtot; j++, v1++, v2++) {
if (len_v3v3(v1->co, v2->co) > thresh)
return MESHCMP_VERTCOMISMATCH;
/* I don't care about normals, let's just do coodinates */
}
}
/*we're order-agnostic for edges here*/
if (l1->type == CD_MEDGE) {
MEdge *e1 = l1->data;
MEdge *e2 = l2->data;
int etot = m1->totedge;
EdgeHash *eh = BLI_edgehash_new_ex(__func__, etot);
for (j = 0; j < etot; j++, e1++) {
BLI_edgehash_insert(eh, e1->v1, e1->v2, e1);
}
for (j = 0; j < etot; j++, e2++) {
if (!BLI_edgehash_lookup(eh, e2->v1, e2->v2))
return MESHCMP_EDGEUNKNOWN;
}
BLI_edgehash_free(eh, NULL);
}
if (l1->type == CD_MPOLY) {
MPoly *p1 = l1->data;
MPoly *p2 = l2->data;
int ptot = m1->totpoly;
for (j = 0; j < ptot; j++, p1++, p2++) {
MLoop *lp1, *lp2;
int k;
if (p1->totloop != p2->totloop)
return MESHCMP_POLYMISMATCH;
lp1 = m1->mloop + p1->loopstart;
lp2 = m2->mloop + p2->loopstart;
for (k = 0; k < p1->totloop; k++, lp1++, lp2++) {
if (lp1->v != lp2->v)
return MESHCMP_POLYVERTMISMATCH;
}
}
}
if (l1->type == CD_MLOOP) {
MLoop *lp1 = l1->data;
MLoop *lp2 = l2->data;
int ltot = m1->totloop;
for (j = 0; j < ltot; j++, lp1++, lp2++) {
if (lp1->v != lp2->v)
return MESHCMP_LOOPMISMATCH;
}
}
if (l1->type == CD_MLOOPUV) {
MLoopUV *lp1 = l1->data;
MLoopUV *lp2 = l2->data;
int ltot = m1->totloop;
for (j = 0; j < ltot; j++, lp1++, lp2++) {
if (len_squared_v2v2(lp1->uv, lp2->uv) > thresh_sq)
return MESHCMP_LOOPUVMISMATCH;
}
}
if (l1->type == CD_MLOOPCOL) {
MLoopCol *lp1 = l1->data;
MLoopCol *lp2 = l2->data;
int ltot = m1->totloop;
for (j = 0; j < ltot; j++, lp1++, lp2++) {
if (ABS(lp1->r - lp2->r) > thresh ||
ABS(lp1->g - lp2->g) > thresh ||
ABS(lp1->b - lp2->b) > thresh ||
ABS(lp1->a - lp2->a) > thresh)
{
return MESHCMP_LOOPCOLMISMATCH;
}
}
}
if (l1->type == CD_MDEFORMVERT) {
MDeformVert *dv1 = l1->data;
MDeformVert *dv2 = l2->data;
int dvtot = m1->totvert;
for (j = 0; j < dvtot; j++, dv1++, dv2++) {
int k;
MDeformWeight *dw1 = dv1->dw, *dw2 = dv2->dw;
if (dv1->totweight != dv2->totweight)
return MESHCMP_DVERT_TOTGROUPMISMATCH;
for (k = 0; k < dv1->totweight; k++, dw1++, dw2++) {
if (dw1->def_nr != dw2->def_nr)
return MESHCMP_DVERT_GROUPMISMATCH;
if (ABS(dw1->weight - dw2->weight) > thresh)
return MESHCMP_DVERT_WEIGHTMISMATCH;
}
}
}
}
return 0;
}
static int edgecut_get(EdgeHash *edgehash, unsigned int v1, unsigned int v2)
{
return POINTER_AS_INT(BLI_edgehash_lookup(edgehash, v1, v2));
}
/* Adds the geometry found in dm to bm
*/
BME_Mesh *BME_derivedmesh_to_bmesh(DerivedMesh *dm)
{
BME_Mesh *bm;
int allocsize[4] = {512,512,2048,512};
MVert *mvert, *mv;
MEdge *medge, *me;
MFace *mface, *mf;
int totface,totedge,totvert,i,len, numTex, numCol;
BME_Vert *v1=NULL,*v2=NULL, **vert_array;
BME_Edge *e=NULL;
BME_Poly *f=NULL;
EdgeHash *edge_hash = BLI_edgehash_new();
bm = BME_make_mesh(allocsize);
/*copy custom data layout*/
CustomData_copy(&dm->vertData, &bm->vdata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&dm->edgeData, &bm->edata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&dm->faceData, &bm->pdata, CD_MASK_BMESH, CD_CALLOC, 0);
/*copy face corner data*/
CustomData_to_bmeshpoly(&dm->faceData, &bm->pdata, &bm->ldata);
/*initialize memory pools*/
CustomData_bmesh_init_pool(&bm->vdata, allocsize[0]);
CustomData_bmesh_init_pool(&bm->edata, allocsize[1]);
CustomData_bmesh_init_pool(&bm->ldata, allocsize[2]);
CustomData_bmesh_init_pool(&bm->pdata, allocsize[3]);
/*needed later*/
numTex = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
numCol = CustomData_number_of_layers(&bm->ldata, CD_MLOOPCOL);
totvert = dm->getNumVerts(dm);
totedge = dm->getNumEdges(dm);
totface = dm->getNumFaces(dm);
mvert = dm->getVertArray(dm);
medge = dm->getEdgeArray(dm);
mface = dm->getFaceArray(dm);
vert_array = MEM_mallocN(sizeof(*vert_array)*totvert,"BME_derivedmesh_to_bmesh BME_Vert* array");
BME_model_begin(bm);
/*add verts*/
for(i=0,mv = mvert; i < totvert;i++,mv++){
v1 = BME_MV(bm,mv->co);
vert_array[i] = v1;
v1->flag = mv->flag;
v1->bweight = mv->bweight/255.0f;
CustomData_to_bmesh_block(&dm->vertData, &bm->vdata, i, &v1->data);
}
/*add edges*/
for(i=0,me = medge; i < totedge;i++,me++){
v1 = vert_array[me->v1];
v2 = vert_array[me->v2];
e = BME_ME(bm, v1, v2);
e->crease = me->crease/255.0f;
e->bweight = me->bweight/255.0f;
e->flag = (unsigned char)me->flag;
BLI_edgehash_insert(edge_hash,me->v1,me->v2,e);
CustomData_to_bmesh_block(&dm->edgeData, &bm->edata, i, &e->data);
}
/*add faces.*/
for(i=0,mf = mface; i < totface;i++,mf++){
BME_Edge *edar[4];
if(mf->v4) len = 4;
else len = 3;
edar[0] = BLI_edgehash_lookup(edge_hash,mf->v1,mf->v2);
edar[1] = BLI_edgehash_lookup(edge_hash,mf->v2,mf->v3);
if(len == 4){
edar[2] = BLI_edgehash_lookup(edge_hash,mf->v3,mf->v4);
edar[3] = BLI_edgehash_lookup(edge_hash,mf->v4,mf->v1);
}
else
edar[2] = BLI_edgehash_lookup(edge_hash,mf->v3,mf->v1);
/*find v1 and v2*/
v1 = vert_array[mf->v1];
v2 = vert_array[mf->v2];
f = BME_MF(bm,v1,v2,edar,len);
f->mat_nr = mf->mat_nr;
f->flag = mf->flag;
CustomData_to_bmesh_block(&dm->faceData,&bm->pdata,i,&f->data);
BME_DMcorners_to_loops(bm, &dm->faceData,i,f, numCol,numTex);
}
BME_model_end(bm);
BLI_edgehash_free(edge_hash, NULL);
MEM_freeN(vert_array);
return bm;
}
/**
* Specialized function to use when we _know_ existing edges don't overlap with poly edges.
*/
static void make_edges_mdata_extend(
MEdge **r_alledge, int *r_totedge, const MPoly *mpoly, MLoop *mloop, const int totpoly)
{
int totedge = *r_totedge;
int totedge_new;
EdgeHash *eh;
unsigned int eh_reserve;
const MPoly *mp;
int i;
eh_reserve = max_ii(totedge, BLI_EDGEHASH_SIZE_GUESS_FROM_POLYS(totpoly));
eh = BLI_edgehash_new_ex(__func__, eh_reserve);
for (i = 0, mp = mpoly; i < totpoly; i++, mp++) {
BKE_mesh_poly_edgehash_insert(eh, mp, mloop + mp->loopstart);
}
totedge_new = BLI_edgehash_len(eh);
#ifdef DEBUG
/* ensure that there's no overlap! */
if (totedge_new) {
MEdge *medge = *r_alledge;
for (i = 0; i < totedge; i++, medge++) {
BLI_assert(BLI_edgehash_haskey(eh, medge->v1, medge->v2) == false);
}
}
#endif
if (totedge_new) {
EdgeHashIterator *ehi;
MEdge *medge;
unsigned int e_index = totedge;
*r_alledge = medge = (*r_alledge ?
MEM_reallocN(*r_alledge, sizeof(MEdge) * (totedge + totedge_new)) :
MEM_calloc_arrayN(totedge_new, sizeof(MEdge), __func__));
medge += totedge;
totedge += totedge_new;
/* --- */
for (ehi = BLI_edgehashIterator_new(eh); BLI_edgehashIterator_isDone(ehi) == false;
BLI_edgehashIterator_step(ehi), ++medge, e_index++) {
BLI_edgehashIterator_getKey(ehi, &medge->v1, &medge->v2);
BLI_edgehashIterator_setValue(ehi, POINTER_FROM_UINT(e_index));
medge->crease = medge->bweight = 0;
medge->flag = ME_EDGEDRAW | ME_EDGERENDER;
}
BLI_edgehashIterator_free(ehi);
*r_totedge = totedge;
for (i = 0, mp = mpoly; i < totpoly; i++, mp++) {
MLoop *l = &mloop[mp->loopstart];
MLoop *l_prev = (l + (mp->totloop - 1));
int j;
for (j = 0; j < mp->totloop; j++, l++) {
/* lookup hashed edge index */
l_prev->e = POINTER_AS_UINT(BLI_edgehash_lookup(eh, l_prev->v, l->v));
l_prev = l;
}
}
}
BLI_edgehash_free(eh, NULL);
}
int BKE_mesh_validate_arrays(Mesh *me, MVert *UNUSED(mverts), unsigned int totvert, MEdge *medges, unsigned int totedge, MFace *mfaces, unsigned int totface, const short do_verbose, const short do_fixes)
{
# define PRINT if(do_verbose) printf
# define REMOVE_EDGE_TAG(_med) { _med->v2= _med->v1; do_edge_free= 1; }
# define REMOVE_FACE_TAG(_mf) { _mf->v3=0; do_face_free= 1; }
// MVert *mv;
MEdge *med;
MFace *mf;
MFace *mf_prev;
unsigned int i;
int do_face_free= FALSE;
int do_edge_free= FALSE;
int do_edge_recalc= FALSE;
EdgeHash *edge_hash = BLI_edgehash_new();
SortFace *sort_faces= MEM_callocN(sizeof(SortFace) * totface, "search faces");
SortFace *sf;
SortFace *sf_prev;
unsigned int totsortface= 0;
BLI_assert(!(do_fixes && me == NULL));
PRINT("ED_mesh_validate: verts(%u), edges(%u), faces(%u)\n", totvert, totedge, totface);
if(totedge == 0 && totface != 0) {
PRINT(" locical error, %u faces and 0 edges\n", totface);
do_edge_recalc= TRUE;
}
for(i=0, med= medges; i<totedge; i++, med++) {
int remove= FALSE;
if(med->v1 == med->v2) {
PRINT(" edge %u: has matching verts, both %u\n", i, med->v1);
remove= do_fixes;
}
if(med->v1 >= totvert) {
PRINT(" edge %u: v1 index out of range, %u\n", i, med->v1);
remove= do_fixes;
}
if(med->v2 >= totvert) {
PRINT(" edge %u: v2 index out of range, %u\n", i, med->v2);
remove= do_fixes;
}
if(BLI_edgehash_haskey(edge_hash, med->v1, med->v2)) {
PRINT(" edge %u: is a duplicate of, %d\n", i, GET_INT_FROM_POINTER(BLI_edgehash_lookup(edge_hash, med->v1, med->v2)));
remove= do_fixes;
}
if(remove == FALSE){
BLI_edgehash_insert(edge_hash, med->v1, med->v2, SET_INT_IN_POINTER(i));
}
else {
REMOVE_EDGE_TAG(med);
}
}
for(i=0, mf=mfaces, sf=sort_faces; i<totface; i++, mf++) {
int remove= FALSE;
int fidx;
unsigned int fv[4];
fidx = mf->v4 ? 3:2;
do {
fv[fidx]= *(&(mf->v1) + fidx);
if(fv[fidx] >= totvert) {
PRINT(" face %u: 'v%d' index out of range, %u\n", i, fidx + 1, fv[fidx]);
remove= do_fixes;
}
} while (fidx--);
if(remove == FALSE) {
if(mf->v4) {
if(mf->v1 == mf->v2) { PRINT(" face %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v1 == mf->v3) { PRINT(" face %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v1 == mf->v4) { PRINT(" face %u: verts invalid, v1/v4 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v2 == mf->v3) { PRINT(" face %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes; }
if(mf->v2 == mf->v4) { PRINT(" face %u: verts invalid, v2/v4 both %u\n", i, mf->v2); remove= do_fixes; }
if(mf->v3 == mf->v4) { PRINT(" face %u: verts invalid, v3/v4 both %u\n", i, mf->v3); remove= do_fixes; }
}
else {
if(mf->v1 == mf->v2) { PRINT(" faceT %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v1 == mf->v3) { PRINT(" faceT %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v2 == mf->v3) { PRINT(" faceT %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes; }
}
if(remove == FALSE) {
if(totedge) {
if(mf->v4) {
if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT(" face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT(" face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v4)) { PRINT(" face %u: edge v3/v4 (%u,%u) is missing egde data\n", i, mf->v3, mf->v4); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v4, mf->v1)) { PRINT(" face %u: edge v4/v1 (%u,%u) is missing egde data\n", i, mf->v4, mf->v1); do_edge_recalc= TRUE; }
}
else {
if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT(" face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT(" face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v1)) { PRINT(" face %u: edge v3/v1 (%u,%u) is missing egde data\n", i, mf->v3, mf->v1); do_edge_recalc= TRUE; }
}
}
sf->index = i;
if(mf->v4) {
edge_store_from_mface_quad(sf->es, mf);
qsort(sf->es, 4, sizeof(int64_t), int64_cmp);
}
else {
edge_store_from_mface_tri(sf->es, mf);
qsort(sf->es, 3, sizeof(int64_t), int64_cmp);
}
totsortface++;
sf++;
}
}
if(remove) {
REMOVE_FACE_TAG(mf);
}
}
qsort(sort_faces, totsortface, sizeof(SortFace), search_face_cmp);
sf= sort_faces;
sf_prev= sf;
sf++;
for(i=1; i<totsortface; i++, sf++) {
int remove= FALSE;
/* on a valid mesh, code below will never run */
if(memcmp(sf->es, sf_prev->es, sizeof(sf_prev->es)) == 0) {
mf= mfaces + sf->index;
if(do_verbose) {
mf_prev= mfaces + sf_prev->index;
if(mf->v4) {
PRINT(" face %u & %u: are duplicates (%u,%u,%u,%u) (%u,%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf->v4, mf_prev->v1, mf_prev->v2, mf_prev->v3, mf_prev->v4);
}
else {
PRINT(" face %u & %u: are duplicates (%u,%u,%u) (%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf_prev->v1, mf_prev->v2, mf_prev->v3);
}
}
remove= do_fixes;
}
else {
sf_prev= sf;
}
if(remove) {
REMOVE_FACE_TAG(mf);
}
}
BLI_edgehash_free(edge_hash, NULL);
MEM_freeN(sort_faces);
PRINT("BKE_mesh_validate: finished\n\n");
# undef PRINT
# undef REMOVE_EDGE_TAG
# undef REMOVE_FACE_TAG
if(me) {
if(do_face_free) {
mesh_strip_loose_faces(me);
}
if (do_edge_free) {
mesh_strip_loose_edges(me);
}
if(do_fixes && do_edge_recalc) {
BKE_mesh_calc_edges(me, TRUE);
}
}
return (do_face_free || do_edge_free || do_edge_recalc);
}
static SmoothMesh *smoothmesh_from_derivedmesh(DerivedMesh *dm)
{
SmoothMesh *mesh;
EdgeHash *edges = BLI_edgehash_new();
int i;
int totvert, totedge, totface;
totvert = dm->getNumVerts(dm);
totedge = dm->getNumEdges(dm);
totface = dm->getNumFaces(dm);
mesh = smoothmesh_new(totvert, totedge, totface,
totvert, totedge, totface);
mesh->dm = dm;
for(i = 0; i < totvert; i++) {
SmoothVert *vert = &mesh->verts[i];
vert->oldIndex = vert->newIndex = i;
}
for(i = 0; i < totedge; i++) {
SmoothEdge *edge = &mesh->edges[i];
MEdge med;
dm->getEdge(dm, i, &med);
edge->verts[0] = &mesh->verts[med.v1];
edge->verts[1] = &mesh->verts[med.v2];
edge->oldIndex = edge->newIndex = i;
edge->flag = med.flag;
BLI_edgehash_insert(edges, med.v1, med.v2, edge);
}
for(i = 0; i < totface; i++) {
SmoothFace *face = &mesh->faces[i];
MFace mf;
MVert v1, v2, v3;
int j;
dm->getFace(dm, i, &mf);
dm->getVert(dm, mf.v1, &v1);
dm->getVert(dm, mf.v2, &v2);
dm->getVert(dm, mf.v3, &v3);
face->edges[0] = BLI_edgehash_lookup(edges, mf.v1, mf.v2);
if(face->edges[0]->verts[1]->oldIndex == mf.v1) face->flip[0] = 1;
face->edges[1] = BLI_edgehash_lookup(edges, mf.v2, mf.v3);
if(face->edges[1]->verts[1]->oldIndex == mf.v2) face->flip[1] = 1;
if(mf.v4) {
MVert v4;
dm->getVert(dm, mf.v4, &v4);
face->edges[2] = BLI_edgehash_lookup(edges, mf.v3, mf.v4);
if(face->edges[2]->verts[1]->oldIndex == mf.v3) face->flip[2] = 1;
face->edges[3] = BLI_edgehash_lookup(edges, mf.v4, mf.v1);
if(face->edges[3]->verts[1]->oldIndex == mf.v4) face->flip[3] = 1;
normal_quad_v3( face->normal,v1.co, v2.co, v3.co, v4.co);
} else {
face->edges[2] = BLI_edgehash_lookup(edges, mf.v3, mf.v1);
if(face->edges[2]->verts[1]->oldIndex == mf.v3) face->flip[2] = 1;
face->edges[3] = NULL;
normal_tri_v3( face->normal,v1.co, v2.co, v3.co);
}
for(j = 0; j < SMOOTHFACE_MAX_EDGES && face->edges[j]; j++) {
SmoothEdge *edge = face->edges[j];
BLI_linklist_prepend(&edge->faces, face);
BLI_linklist_prepend(&edge->verts[face->flip[j]]->faces, face);
}
face->oldIndex = face->newIndex = i;
}
BLI_edgehash_free(edges, NULL);
return mesh;
}
DerivedMesh *BME_bmesh_to_derivedmesh(BME_Mesh *bm, DerivedMesh *dm)
{
MFace *mface, *mf;
MEdge *medge, *me;
MVert *mvert, *mv;
int *origindex;
int totface,totedge,totvert,i,bmeshok,len, numTex, numCol;
BME_Vert *v1=NULL;
BME_Edge *e=NULL, *oe=NULL;
BME_Poly *f=NULL;
DerivedMesh *result;
EdgeHash *edge_hash = BLI_edgehash_new();
totvert = BLI_countlist(&(bm->verts));
totedge = 0;
/*we cannot have double edges in a derived mesh!*/
for(i=0, v1=bm->verts.first; v1; v1=v1->next, i++) v1->tflag1 = i;
for(e=bm->edges.first; e; e=e->next){
oe = BLI_edgehash_lookup(edge_hash,e->v1->tflag1, e->v2->tflag1);
if(!oe){
totedge++;
BLI_edgehash_insert(edge_hash,e->v1->tflag1,e->v2->tflag1,e);
e->tflag2 = 1;
}
else{
e->tflag2 = 0;
}
}
/*count quads and tris*/
totface = 0;
bmeshok = 1;
for(f=bm->polys.first;f;f=f->next){
len = BME_cycle_length(f->loopbase);
if(len == 3 || len == 4) totface++;
}
/*convert back to mesh*/
result = CDDM_from_template(dm,totvert,totedge,totface);
CustomData_merge(&bm->vdata, &result->vertData, CD_MASK_BMESH, CD_CALLOC, totvert);
CustomData_merge(&bm->edata, &result->edgeData, CD_MASK_BMESH, CD_CALLOC, totedge);
CustomData_merge(&bm->pdata, &result->faceData, CD_MASK_BMESH, CD_CALLOC, totface);
CustomData_from_bmeshpoly(&result->faceData, &bm->pdata, &bm->ldata,totface);
numTex = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
numCol = CustomData_number_of_layers(&bm->ldata, CD_MLOOPCOL);
/*Make Verts*/
mvert = CDDM_get_verts(result);
origindex = result->getVertDataArray(result, CD_ORIGINDEX);
for(i=0,v1=bm->verts.first,mv=mvert;v1;v1=v1->next,i++,mv++){
VECCOPY(mv->co,v1->co);
mv->flag = (unsigned char)v1->flag;
mv->bweight = (char)(255.0*v1->bweight);
CustomData_from_bmesh_block(&bm->vdata, &result->vertData, &v1->data, i);
origindex[i] = ORIGINDEX_NONE;
}
medge = CDDM_get_edges(result);
origindex = result->getEdgeDataArray(result, CD_ORIGINDEX);
i=0;
for(e=bm->edges.first,me=medge;e;e=e->next){
if(e->tflag2){
if(e->v1->tflag1 < e->v2->tflag1){
me->v1 = e->v1->tflag1;
me->v2 = e->v2->tflag1;
}
else{
me->v1 = e->v2->tflag1;
me->v2 = e->v1->tflag1;
}
me->crease = (char)(255.0*e->crease);
me->bweight = (char)(255.0*e->bweight);
me->flag = e->flag;
CustomData_from_bmesh_block(&bm->edata, &result->edgeData, &e->data, i);
origindex[i] = ORIGINDEX_NONE;
me++;
i++;
}
}
if(totface){
mface = CDDM_get_faces(result);
origindex = result->getFaceDataArray(result, CD_ORIGINDEX);
/*make faces*/
for(i=0,f=bm->polys.first;f;f=f->next){
mf = &mface[i];
len = BME_cycle_length(f->loopbase);
if(len==3 || len==4){
mf->v1 = f->loopbase->v->tflag1;
mf->v2 = f->loopbase->next->v->tflag1;
mf->v3 = f->loopbase->next->next->v->tflag1;
if(len == 4){
mf->v4 = f->loopbase->prev->v->tflag1;
}
/* test and rotate indexes if necessary so that verts 3 and 4 aren't index 0 */
if(mf->v3 == 0 || (len == 4 && mf->v4 == 0)){
test_index_face(mf, NULL, i, len);
}
mf->mat_nr = (unsigned char)f->mat_nr;
mf->flag = (unsigned char)f->flag;
CustomData_from_bmesh_block(&bm->pdata, &result->faceData, &f->data, i);
BME_DMloops_to_corners(bm, &result->faceData, i, f,numCol,numTex);
origindex[i] = ORIGINDEX_NONE;
i++;
}
}
}
BLI_edgehash_free(edge_hash, NULL);
return result;
}
static int edgecut_get(EdgeHash *edgehash, unsigned int v1, unsigned int v2)
{
return GET_INT_FROM_POINTER(BLI_edgehash_lookup(edgehash, v1, v2));
}
int BKE_mesh_validate_arrays( Mesh *me,
MVert *mverts, unsigned int totvert,
MEdge *medges, unsigned int totedge,
MFace *mfaces, unsigned int totface,
MDeformVert *dverts, /* assume totvert length */
const short do_verbose, const short do_fixes)
{
# define REMOVE_EDGE_TAG(_med) { _med->v2= _med->v1; do_edge_free= 1; }
# define REMOVE_FACE_TAG(_mf) { _mf->v3=0; do_face_free= 1; }
// MVert *mv;
MEdge *med;
MFace *mf;
MFace *mf_prev;
MVert *mvert= mverts;
unsigned int i;
short do_face_free= FALSE;
short do_edge_free= FALSE;
short verts_fixed= FALSE;
short vert_weights_fixed= FALSE;
int do_edge_recalc= FALSE;
EdgeHash *edge_hash = BLI_edgehash_new();
SortFace *sort_faces= MEM_callocN(sizeof(SortFace) * totface, "search faces");
SortFace *sf;
SortFace *sf_prev;
unsigned int totsortface= 0;
BLI_assert(!(do_fixes && me == NULL));
PRINT("%s: verts(%u), edges(%u), faces(%u)\n", __func__, totvert, totedge, totface);
if(totedge == 0 && totface != 0) {
PRINT(" locical error, %u faces and 0 edges\n", totface);
do_edge_recalc= TRUE;
}
for(i=1; i<totvert; i++, mvert++) {
int j;
int fix_normal= TRUE;
for(j=0; j<3; j++) {
if(!finite(mvert->co[j])) {
PRINT(" vertex %u: has invalid coordinate\n", i);
if (do_fixes) {
zero_v3(mvert->co);
verts_fixed= TRUE;
}
}
if(mvert->no[j]!=0)
fix_normal= FALSE;
}
if(fix_normal) {
PRINT(" vertex %u: has zero normal, assuming Z-up normal\n", i);
if (do_fixes) {
mvert->no[2]= SHRT_MAX;
verts_fixed= TRUE;
}
}
}
for(i=0, med= medges; i<totedge; i++, med++) {
int remove= FALSE;
if(med->v1 == med->v2) {
PRINT(" edge %u: has matching verts, both %u\n", i, med->v1);
remove= do_fixes;
}
if(med->v1 >= totvert) {
PRINT(" edge %u: v1 index out of range, %u\n", i, med->v1);
remove= do_fixes;
}
if(med->v2 >= totvert) {
PRINT(" edge %u: v2 index out of range, %u\n", i, med->v2);
remove= do_fixes;
}
if(BLI_edgehash_haskey(edge_hash, med->v1, med->v2)) {
PRINT(" edge %u: is a duplicate of, %d\n", i, GET_INT_FROM_POINTER(BLI_edgehash_lookup(edge_hash, med->v1, med->v2)));
remove= do_fixes;
}
if(remove == FALSE){
BLI_edgehash_insert(edge_hash, med->v1, med->v2, SET_INT_IN_POINTER(i));
}
else {
REMOVE_EDGE_TAG(med);
}
}
for(i=0, mf=mfaces, sf=sort_faces; i<totface; i++, mf++) {
int remove= FALSE;
int fidx;
unsigned int fv[4];
fidx = mf->v4 ? 3:2;
do {
fv[fidx]= *(&(mf->v1) + fidx);
if(fv[fidx] >= totvert) {
PRINT(" face %u: 'v%d' index out of range, %u\n", i, fidx + 1, fv[fidx]);
remove= do_fixes;
}
} while (fidx--);
if(remove == FALSE) {
if(mf->v4) {
if(mf->v1 == mf->v2) { PRINT(" face %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v1 == mf->v3) { PRINT(" face %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v1 == mf->v4) { PRINT(" face %u: verts invalid, v1/v4 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v2 == mf->v3) { PRINT(" face %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes; }
if(mf->v2 == mf->v4) { PRINT(" face %u: verts invalid, v2/v4 both %u\n", i, mf->v2); remove= do_fixes; }
if(mf->v3 == mf->v4) { PRINT(" face %u: verts invalid, v3/v4 both %u\n", i, mf->v3); remove= do_fixes; }
}
else {
if(mf->v1 == mf->v2) { PRINT(" faceT %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v1 == mf->v3) { PRINT(" faceT %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes; }
if(mf->v2 == mf->v3) { PRINT(" faceT %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes; }
}
if(remove == FALSE) {
if(totedge) {
if(mf->v4) {
if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT(" face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT(" face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v4)) { PRINT(" face %u: edge v3/v4 (%u,%u) is missing egde data\n", i, mf->v3, mf->v4); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v4, mf->v1)) { PRINT(" face %u: edge v4/v1 (%u,%u) is missing egde data\n", i, mf->v4, mf->v1); do_edge_recalc= TRUE; }
}
else {
if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT(" face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT(" face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v1)) { PRINT(" face %u: edge v3/v1 (%u,%u) is missing egde data\n", i, mf->v3, mf->v1); do_edge_recalc= TRUE; }
}
}
sf->index = i;
if(mf->v4) {
edge_store_from_mface_quad(sf->es, mf);
qsort(sf->es, 4, sizeof(int64_t), int64_cmp);
}
else {
edge_store_from_mface_tri(sf->es, mf);
qsort(sf->es, 3, sizeof(int64_t), int64_cmp);
}
totsortface++;
sf++;
}
}
if(remove) {
REMOVE_FACE_TAG(mf);
}
}
qsort(sort_faces, totsortface, sizeof(SortFace), search_face_cmp);
sf= sort_faces;
sf_prev= sf;
sf++;
for(i=1; i<totsortface; i++, sf++) {
int remove= FALSE;
/* on a valid mesh, code below will never run */
if(memcmp(sf->es, sf_prev->es, sizeof(sf_prev->es)) == 0) {
mf= mfaces + sf->index;
if(do_verbose) {
mf_prev= mfaces + sf_prev->index;
if(mf->v4) {
PRINT(" face %u & %u: are duplicates (%u,%u,%u,%u) (%u,%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf->v4, mf_prev->v1, mf_prev->v2, mf_prev->v3, mf_prev->v4);
}
else {
PRINT(" face %u & %u: are duplicates (%u,%u,%u) (%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf_prev->v1, mf_prev->v2, mf_prev->v3);
}
}
remove= do_fixes;
}
else {
sf_prev= sf;
}
if(remove) {
REMOVE_FACE_TAG(mf);
}
}
BLI_edgehash_free(edge_hash, NULL);
MEM_freeN(sort_faces);
/* fix deform verts */
if (dverts) {
MDeformVert *dv;
for(i=0, dv= dverts; i<totvert; i++, dv++) {
MDeformWeight *dw;
unsigned int j;
for(j=0, dw= dv->dw; j < dv->totweight; j++, dw++) {
/* note, greater then max defgroups is accounted for in our code, but not < 0 */
if (!finite(dw->weight)) {
PRINT(" vertex deform %u, group %d has weight: %f\n", i, dw->def_nr, dw->weight);
if (do_fixes) {
dw->weight= 0.0f;
vert_weights_fixed= TRUE;
}
}
else if (dw->weight < 0.0f || dw->weight > 1.0f) {
PRINT(" vertex deform %u, group %d has weight: %f\n", i, dw->def_nr, dw->weight);
if (do_fixes) {
CLAMP(dw->weight, 0.0f, 1.0f);
vert_weights_fixed= TRUE;
}
}
if (dw->def_nr < 0) {
PRINT(" vertex deform %u, has invalid group %d\n", i, dw->def_nr);
if (do_fixes) {
defvert_remove_group(dv, dw);
if (dv->dw) {
/* re-allocated, the new values compensate for stepping
* within the for loop and may not be valid */
j--;
dw= dv->dw + j;
vert_weights_fixed= TRUE;
}
else { /* all freed */
break;
}
}
}
}
}
}
PRINT("BKE_mesh_validate: finished\n\n");
# undef REMOVE_EDGE_TAG
# undef REMOVE_FACE_TAG
if(me) {
if(do_face_free) {
mesh_strip_loose_faces(me);
}
if (do_edge_free) {
mesh_strip_loose_edges(me);
}
if(do_fixes && do_edge_recalc) {
BKE_mesh_calc_edges(me, TRUE);
}
}
return (verts_fixed || vert_weights_fixed || do_face_free || do_edge_free || do_edge_recalc);
}
