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Fix T100132: Disable winding when calculating islands for uv sculpt tools

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Winding was originally added to island detection in 5197aa04c6.
However the sculpt tools can flip faces, potentially creating orphaned
islands if winding is enabled.

Differential Revision: https://developer.blender.org/D15600
This commit is contained in:
Chris Blackbourn
2022-08-04 11:11:41 +12:00
parent 8288017635
commit dcf50cf046
1 changed files with 6 additions and 7 deletions
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13
source/blender/editors/sculpt_paint/sculpt_uv.c
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@@ -492,13 +492,12 @@ static UvSculptData *uv_sculpt_stroke_init(bContext *C, wmOperator *op, const wm
data->uvsculpt = &ts->uvsculpt->paint;
if (do_island_optimization) {
/* We will need island information */
data->elementMap = BM_uv_element_map_create(bm, scene, false, true, true);
}
else {
data->elementMap = BM_uv_element_map_create(bm, scene, false, true, false);
}
/* Winding was added to island detection in 5197aa04c6bd
* However the sculpt tools can flip faces, potentially creating orphaned islands.
* See T100132 */
bool use_winding = false;
data->elementMap = BM_uv_element_map_create(
bm, scene, false, use_winding, do_island_optimization);
if (!data->elementMap) {
uv_sculpt_stroke_exit(C, op);