Commit: e019d8fb8c3bdab9c2eb20f6217c93af704979f5
Author: Campbell Barton
Date: Sat Jun 20 19:28:51 2015 +1000
Branches: master
https://developer.blender.org/rBe019d8fb8c3bdab9c2eb20f6217c93af704979f5
Transform: UV islands were split by winding
This meant front/back faces from a projection would be seen as separate islands.
===================================================================
M source/blender/blenkernel/intern/mesh_mapping.c
M source/blender/editors/include/ED_mesh.h
M source/blender/editors/mesh/editmesh_utils.c
M source/blender/editors/sculpt_paint/sculpt_uv.c
M source/blender/editors/transform/transform_conversions.c
M source/blender/editors/uvedit/uvedit_smart_stitch.c
===================================================================
diff --git a/source/blender/blenkernel/intern/mesh_mapping.c
b/source/blender/blenkernel/intern/mesh_mapping.c
index 8b41ade..1d89785 100644
--- a/source/blender/blenkernel/intern/mesh_mapping.c
+++ b/source/blender/blenkernel/intern/mesh_mapping.c
@@ -79,14 +79,12 @@ UvVertMap *BKE_mesh_uv_vert_map_create(
if (totuv == 0)
return NULL;
- winding = MEM_callocN(sizeof(*winding) * totpoly, "winding");
vmap = (UvVertMap *)MEM_callocN(sizeof(*vmap), "UvVertMap");
-
- if (!vmap)
- return NULL;
-
- vmap->vert = (UvMapVert **)MEM_callocN(sizeof(*vmap->vert) * totvert,
"UvMapVert*");
buf = vmap->buf = (UvMapVert *)MEM_callocN(sizeof(*vmap->buf) *
(size_t)totuv, "UvMapVert");
+ vmap->vert = (UvMapVert **)MEM_callocN(sizeof(*vmap->vert) * totvert,
"UvMapVert*");
+ if (use_winding) {
+ winding = MEM_callocN(sizeof(*winding) * totpoly, "winding");
+ }
if (!vmap->vert || !vmap->buf) {
BKE_mesh_uv_vert_map_free(vmap);
@@ -96,7 +94,11 @@ UvVertMap *BKE_mesh_uv_vert_map_create(
mp = mpoly;
for (a = 0; a < totpoly; a++, mp++) {
if (!selected || (!(mp->flag & ME_HIDE) && (mp->flag &
ME_FACE_SEL))) {
- float (*tf_uv)[2] = (float
(*)[2])BLI_buffer_resize_data(&tf_uv_buf, vec2f, mp->totloop);
+ float (*tf_uv)[2];
+
+ if (use_winding) {
+ tf_uv = (float
(*)[2])BLI_buffer_resize_data(&tf_uv_buf, vec2f, mp->totloop);
+ }
nverts = mp->totloop;
@@ -107,14 +109,16 @@ UvVertMap *BKE_mesh_uv_vert_map_create(
buf->next = vmap->vert[mloop[mp->loopstart +
i].v];
vmap->vert[mloop[mp->loopstart + i].v] = buf;
- copy_v2_v2(tf_uv[i], mloopuv[mpoly[a].loopstart
+ i].uv);
+ if (use_winding) {
+ copy_v2_v2(tf_uv[i],
mloopuv[mpoly[a].loopstart + i].uv);
+ }
+
buf++;
}
- if (use_winding)
+ if (use_winding) {
winding[a] = cross_poly_v2((const float
(*)[2])tf_uv, (unsigned int)nverts) > 0;
- else
- winding[a] = 0;
+ }
}
}
@@ -142,7 +146,7 @@ UvVertMap *BKE_mesh_uv_vert_map_create(
if (fabsf(uv[0] - uv2[0]) < limit[0] &&
fabsf(uv[1] - uv2[1]) < limit[1] &&
- winding[iterv->f] == winding[v->f])
+ (!use_winding || winding[iterv->f] ==
winding[v->f]))
{
if (lastv) lastv->next = next;
else vlist = next;
@@ -161,7 +165,10 @@ UvVertMap *BKE_mesh_uv_vert_map_create(
vmap->vert[a] = newvlist;
}
- MEM_freeN(winding);
+ if (use_winding) {
+ MEM_freeN(winding);
+ }
+
BLI_buffer_free(&tf_uv_buf);
return vmap;
diff --git a/source/blender/editors/include/ED_mesh.h
b/source/blender/editors/include/ED_mesh.h
index 3f16055..9534da6 100644
--- a/source/blender/editors/include/ED_mesh.h
+++ b/source/blender/editors/include/ED_mesh.h
@@ -107,7 +107,9 @@ void EDBM_mesh_reveal(struct BMEditMesh *em);
void EDBM_update_generic(struct BMEditMesh *em, const bool do_tessface, const
bool is_destructive);
-struct UvElementMap *BM_uv_element_map_create(struct BMesh *bm, const bool
selected, const bool do_islands);
+struct UvElementMap *BM_uv_element_map_create(
+ struct BMesh *bm,
+ const bool selected, const bool use_winding, const bool do_islands);
void BM_uv_element_map_free(struct UvElementMap *vmap);
struct UvElement *BM_uv_element_get(struct UvElementMap *map, struct BMFace
*efa, struct BMLoop *l);
diff --git a/source/blender/editors/mesh/editmesh_utils.c
b/source/blender/editors/mesh/editmesh_utils.c
index 2e43c9b..d521b2c 100644
--- a/source/blender/editors/mesh/editmesh_utils.c
+++ b/source/blender/editors/mesh/editmesh_utils.c
@@ -768,7 +768,9 @@ UvMapVert *BM_uv_vert_map_at_index(UvVertMap *vmap,
unsigned int v)
/* A specialized vert map used by stitch operator */
-UvElementMap *BM_uv_element_map_create(BMesh *bm, const bool selected, const
bool do_islands)
+UvElementMap *BM_uv_element_map_create(
+ BMesh *bm,
+ const bool selected, const bool use_winding, const bool do_islands)
{
BMVert *ev;
BMFace *efa;
@@ -807,14 +809,22 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, const
bool selected, const boo
element_map->vert = (UvElement
**)MEM_callocN(sizeof(*element_map->vert) * totverts, "UvElementVerts");
buf = element_map->buf = (UvElement
*)MEM_callocN(sizeof(*element_map->buf) * totuv, "UvElement");
- winding = MEM_mallocN(sizeof(*winding) * totfaces, "winding");
+ if (use_winding) {
+ winding = MEM_mallocN(sizeof(*winding) * totfaces, "winding");
+ }
BM_ITER_MESH_INDEX (efa, &iter, bm, BM_FACES_OF_MESH, j) {
- winding[j] = false;
+ if (use_winding) {
+ winding[j] = false;
+ }
if (!selected || BM_elem_flag_test(efa, BM_ELEM_SELECT)) {
- float (*tf_uv)[2] = (float
(*)[2])BLI_buffer_resize_data(&tf_uv_buf, vec2f, efa->len);
+ float (*tf_uv)[2];
+
+ if (use_winding) {
+ tf_uv = (float
(*)[2])BLI_buffer_resize_data(&tf_uv_buf, vec2f, efa->len);
+ }
BM_ITER_ELEM_INDEX (l, &liter, efa, BM_LOOPS_OF_FACE,
i) {
buf->l = l;
@@ -825,13 +835,17 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, const
bool selected, const boo
buf->next =
element_map->vert[BM_elem_index_get(l->v)];
element_map->vert[BM_elem_index_get(l->v)] =
buf;
- luv = BM_ELEM_CD_GET_VOID_P(l,
cd_loop_uv_offset);
- copy_v2_v2(tf_uv[i], luv->uv);
+ if (use_winding) {
+ luv = BM_ELEM_CD_GET_VOID_P(l,
cd_loop_uv_offset);
+ copy_v2_v2(tf_uv[i], luv->uv);
+ }
buf++;
}
- winding[j] = cross_poly_v2((const float (*)[2])tf_uv,
efa->len) > 0;
+ if (use_winding) {
+ winding[j] = cross_poly_v2((const float
(*)[2])tf_uv, efa->len) > 0;
+ }
}
}
@@ -864,7 +878,7 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, const
bool selected, const boo
sub_v2_v2v2(uvdiff, uv2, uv);
if (fabsf(uvdiff[0]) < STD_UV_CONNECT_LIMIT &&
fabsf(uvdiff[1]) < STD_UV_CONNECT_LIMIT &&
- winding[BM_elem_index_get(iterv->l->f)] ==
winding[BM_elem_index_get(v->l->f)])
+ (!use_winding ||
winding[BM_elem_index_get(iterv->l->f)] == winding[BM_elem_index_get(v->l->f)]))
{
if (lastv) lastv->next = next;
else vlist = next;
@@ -884,7 +898,9 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, const
bool selected, const boo
element_map->vert[i] = newvlist;
}
- MEM_freeN(winding);
+ if (use_winding) {
+ MEM_freeN(winding);
+ }
if (do_islands) {
unsigned int *map;
diff --git a/source/blender/editors/sculpt_paint/sculpt_uv.c
b/source/blender/editors/sculpt_paint/sculpt_uv.c
index 4e1517b..03ca38f 100644
--- a/source/blender/editors/sculpt_paint/sculpt_uv.c
+++ b/source/blender/editors/sculpt_paint/sculpt_uv.c
@@ -612,18 +612,18 @@ static UvSculptData *uv_sculpt_stroke_init(bContext *C,
wmOperator *op, const wm
if (do_island_optimization) {
/* We will need island information */
if (ts->uv_flag & UV_SYNC_SELECTION) {
- data->elementMap = BM_uv_element_map_create(bm,
false, true);
+ data->elementMap = BM_uv_element_map_create(bm,
false, true, true);
}
else {
- data->elementMap = BM_uv_element_map_create(bm,
true, true);
+ data->elementMap = BM_uv_element_map_create(bm,
true, true, true);
}
}
else {
if (ts->uv_flag & UV_SYNC_SELECTION) {
- data->elementMap = BM_uv_element_map_create(bm,
false, false);
+ data->elementMap = BM_uv_element_map_create(bm,
false, false, true);
}
else {
- data->elementMap = BM_uv_element_map_create(bm,
true, false);
+ data->elementMap = BM_uv_element_map_create(bm,
true, false, true);
}
}
diff --git a/source/blender/editors/transform/transform_conversions.c
b/source/blender/editors/transform/transform_conversions.c
index bcd6953..abaa55e 100644
--- a/source/blender/editors/transform/transform_conversions.c
+++ b/source/blender/editors/transform/transform_conversions.c
@@ -2741,7 +2741,7 @@ static void createTransUVs(bContext *C, TransInfo *t)
if (is_prop_connected || is_island_center) {
/* create element map with island information */
const bool use_facesel = (ts->uv_flag & UV_SYNC_SELECTION) == 0;
- elementmap = BM_uv_element_map_create(em->bm, use_facesel,
true);
+ elementmap = BM_uv_element_map_create(em->bm, use_facesel,
false, true);
if (elementmap == NULL) {
return;
}
diff --git a/source/blender/editors/uvedit/uvedit_smart_stitch.c
b/source/blender/editors/uvedit/uvedit_smart_stitch.c
index f7a8735..828537f 100644
--- a/source/blender/editors/uvedit/uvedit_smart_stitch.c
+++ b/source/blender/editors/uvedit/uvedit_smart_stitch.c
@@ -1649,10 +1649,10 @@ static int stitch_init(bContext *C, wmOperator *op)
/* in uv synch selection, all uv's are visible */
if (ts->uv_flag & UV_SYNC_SELECTION) {
- state->element_map = BM_uv_element_map_create(state->em->bm,
false, true);
+ state->element_map = BM_uv_element_map_create(state->em->bm,
false, true, true);
}
else {
- state->element_map = BM_uv_element_map_create(state->em->bm,
true, true);
+ state->element_map = BM_uv_element_map_create(state->em->bm,
true, true, true);
}
if (!state->element_map) {
state_delete(state);
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