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Fix T83504: Cancel trim operators when there is no geometry 

The boolean solver crashes when there is no geometry in the mesh. Also,
using the trimming tools without a valid intersection in the PBVH will
make the orientation and position functionality of the trimming shape
not work, so this is the safer solution.

Reviewed By: mont29

Maniphest Tasks: T83504

Differential Revision: https://developer.blender.org/D9777
This commit is contained in:
Pablo Dobarro 2020-12-07 17:32:52 +01:00
parent c9de65679b
commit 288f2efbd4
Notes: blender-bot 2023-02-14 00:29:15 +01:00 
Referenced by issue #83504, Crash using sculpt trim tools
1 changed files with 10 additions and 0 deletions
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10
source/blender/editors/sculpt_paint/paint_mask.c
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@ -1552,6 +1552,11 @@ static int sculpt_trim_gesture_box_exec(bContext *C, wmOperator *op)
return OPERATOR_CANCELLED;
}
if (ss->totvert == 0) {
/* No geometry to trim or to detect a valid position for the trimming shape. */
return OPERATOR_CANCELLED;
}
SculptGestureContext *sgcontext = sculpt_gesture_init_from_box(C, op);
if (!sgcontext) {
return OPERATOR_CANCELLED;
@ -1589,6 +1594,11 @@ static int sculpt_trim_gesture_lasso_exec(bContext *C, wmOperator *op)
return OPERATOR_CANCELLED;
}
if (ss->totvert == 0) {
/* No geometry to trim or to detect a valid position for the trimming shape. */
return OPERATOR_CANCELLED;
}
SculptGestureContext *sgcontext = sculpt_gesture_init_from_lasso(C, op);
if (!sgcontext) {
return OPERATOR_CANCELLED;