Fix T64414: crash deleting collection used for particle group and use count
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blender-bot
2023-02-14 03:34:17 +01:00
Referenced by issue #64414, Deleting Collection crashes Blender when hair system renders with collection & 'Use Count'
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@ -387,8 +387,11 @@ void psys_find_group_weights(ParticleSettings *part)
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/* Find object pointers based on index. If the collection is linked from
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* another library linking may not have the object pointers available on
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* file load, so we have to retrieve them later. See T49273. */
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const ListBase instance_collection_objects = BKE_collection_object_cache_get(
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part->instance_collection);
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ListBase instance_collection_objects = {NULL, NULL};
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if (part->instance_collection) {
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instance_collection_objects = BKE_collection_object_cache_get(part->instance_collection);
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}
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for (ParticleDupliWeight *dw = part->instance_weights.first; dw; dw = dw->next) {
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if (dw->ob == NULL) {
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