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Fix #87243: Crash after undo "Mask slice to new object"

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Fix for a crash after undo "Mask slice to new object"

When creating a new mesh object in the mask slice operator in
sculpt mode it caused a crash when undo to the initial undo step.
Moreover saving the sculpt undo state seems not necessary in
this function since undo/redo doesn't really work reliably for this
operator from the start, but there is nothing can be done about it
without systemic changes.

Note: this PR replaces #119401
Pull Request: https://projects.blender.org/blender/blender/pulls/119443
This commit is contained in:
Raul Fernandez Hernandez 2024-03-14 17:10:28 +01:00
parent 73d76d4360
commit 62b0c461fb
1 changed files with 13 additions and 9 deletions
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22
source/blender/editors/mesh/editmesh_mask_extract.cc
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@ -457,10 +457,16 @@ static int paint_mask_slice_exec(bContext *C, wmOperator *op)
BKE_sculpt_mask_layers_ensure(nullptr, nullptr, ob, nullptr);
bool create_new_object = RNA_boolean_get(op->ptr, "new_object");
bool fill_holes = RNA_boolean_get(op->ptr, "fill_holes");
float mask_threshold = RNA_float_get(op->ptr, "mask_threshold");
Mesh *mesh = static_cast<Mesh *>(ob->data);
Mesh *new_mesh = (Mesh *)BKE_id_copy(bmain, &mesh->id);
if (ob->mode == OB_MODE_SCULPT) {
/* Fix for #87243 */
/* Undo crashes when new object is created in the middle of a sculpt */
if (ob->mode == OB_MODE_SCULPT && !create_new_object) {
sculpt_paint::undo::geometry_begin(ob, op);
}
@ -473,15 +479,14 @@ static int paint_mask_slice_exec(bContext *C, wmOperator *op)
mesh_to_bm_params.calc_face_normal = true;
BM_mesh_bm_from_me(bm, new_mesh, &mesh_to_bm_params);
slice_paint_mask(
bm, false, RNA_boolean_get(op->ptr, "fill_holes"), RNA_float_get(op->ptr, "mask_threshold"));
slice_paint_mask(bm, false, fill_holes, mask_threshold);
BKE_id_free(bmain, new_mesh);
BMeshToMeshParams bm_to_mesh_params{};
bm_to_mesh_params.calc_object_remap = false;
new_mesh = BKE_mesh_from_bmesh_nomain(bm, &bm_to_mesh_params, mesh);
BM_mesh_free(bm);
if (RNA_boolean_get(op->ptr, "new_object")) {
if (create_new_object) {
ushort local_view_bits = 0;
if (v3d && v3d->localvd) {
local_view_bits = v3d->local_view_uid;
@ -495,10 +500,7 @@ static int paint_mask_slice_exec(bContext *C, wmOperator *op)
BM_mesh_bm_from_me(bm, new_ob_mesh, &mesh_to_bm_params);
slice_paint_mask(bm,
true,
RNA_boolean_get(op->ptr, "fill_holes"),
RNA_float_get(op->ptr, "mask_threshold"));
slice_paint_mask(bm, true, fill_holes, mask_threshold);
BKE_id_free(bmain, new_ob_mesh);
new_ob_mesh = BKE_mesh_from_bmesh_nomain(bm, &bm_to_mesh_params, mesh);
BM_mesh_free(bm);
@ -524,7 +526,9 @@ static int paint_mask_slice_exec(bContext *C, wmOperator *op)
const int next_face_set_id = sculpt_paint::face_set::find_next_available_id(*ob);
sculpt_paint::face_set::initialize_none_to_id(mesh, next_face_set_id);
}
sculpt_paint::undo::geometry_end(ob);
if (!create_new_object) {
sculpt_paint::undo::geometry_end(ob);
}
}
BKE_mesh_batch_cache_dirty_tag(mesh, BKE_MESH_BATCH_DIRTY_ALL);