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Fix #128831: GPv3: Crash when adding action track

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When grease pencil has no actions (ale->adt), id data block channel is
still added due to `ANIMFILTER_ANIMDATA`. This would lead to crash if
operator is accessing the AnimData (ale->adt). To fix this, make sure
adt exists before creating an animchannel.

Pull Request: https://projects.blender.org/blender/blender/pulls/128841
This commit is contained in:
Pratik Borhade
2024-10-15 15:16:03 +02:00
parent df0c567380
commit d943c9f128
1 changed files with 4 additions and 2 deletions
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6
source/blender/editors/animation/anim_filter.cc
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@@ -2212,8 +2212,10 @@ static size_t animdata_filter_grease_pencil_data(bAnimContext *ac,
*/
if (filter_mode & ANIMFILTER_ANIMDATA) {
/* Just add data block container. */
ANIMCHANNEL_NEW_CHANNEL(
ac->bmain, grease_pencil, ANIMTYPE_GREASE_PENCIL_DATABLOCK, grease_pencil, nullptr);
if (grease_pencil->adt != nullptr) {
ANIMCHANNEL_NEW_CHANNEL(
ac->bmain, grease_pencil, ANIMTYPE_GREASE_PENCIL_DATABLOCK, grease_pencil, nullptr);
}
}
else {
ListBase tmp_data = {nullptr, nullptr};