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Differential D8734 Diff 28252 source/blender/blenkernel/intern/lib_remap.c

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source/blender/blenkernel/intern/lib_remap.c

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static void libblock_remap_data_preprocess(IDRemap *r_id_remap_data) static void libblock_remap_data_preprocess(IDRemap *r_id_remap_data)
{ {
switch (GS(r_id_remap_data->id_owner->name)) { switch (GS(r_id_remap_data->id_owner->name)) {
case ID_OB: { case ID_OB: {
ID *old_id = r_id_remap_data->old_id; ID *old_id = r_id_remap_data->old_id;
if (!old_id || GS(old_id->name) == ID_AR) { if (!old_id || GS(old_id->name) == ID_AR) {
Object *ob = (Object *)r_id_remap_data->id_owner; Object *ob = (Object *)r_id_remap_data->id_owner;
/* Object's pose holds reference to armature bones... sic */ /* Object's pose holds reference to armature bones. sic */
/* Note that in theory, we should have to bother about /* Note that in theory, we should have to bother about linked/non-linked/never-null/etc.
* linked/non-linked/never-null/etc. flags/states. * flags/states.
* Fortunately, this is just a tag, so we can accept to 'over-tag' a bit for pose recalc, * Fortunately, this is just a tag, so we can accept to 'over-tag' a bit for pose recalc,
* and avoid another complex and risky condition nightmare like the one we have in * and avoid another complex and risky condition nightmare like the one we have in
* foreach_libblock_remap_callback()... */ * foreach_libblock_remap_callback(). */
if (ob->pose && (!old_id || ob->data == old_id)) { if (ob->pose && (!old_id || ob->data == old_id)) {
BLI_assert(ob->type == OB_ARMATURE); BLI_assert(ob->type == OB_ARMATURE);
ob->pose->flag |= POSE_RECALC; ob->pose->flag |= POSE_RECALC;
/* We need to clear pose bone pointers immediately, things like undo writefile may be /* We need to clear pose bone pointers immediately, some code may access those before
* called before pose is actually recomputed, can lead to segfault... */ * pose is actually recomputed, which can lead to segfault. */
BKE_pose_clear_pointers(ob->pose); BKE_pose_clear_pointers(ob->pose);
} }
} }
break; break;
} }
default: default:
break; break;
} }
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