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Fix: crash when iterating over all attributes

This commit is contained in:
Jacques Lucke 2022-07-12 09:42:19 +02:00
parent b8d1e576bc
commit 6e6da22eb0
1 changed files with 7 additions and 3 deletions
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10
source/blender/blenkernel/BKE_attribute.hh
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@ -351,8 +351,9 @@ class AttributeAccessor {
/**
* The data that actually owns the attributes, for example, a pointer to a #Mesh or #PointCloud
* Most commonly this is a pointer to a #Mesh or #PointCloud.
* Under some circumstances this can be null. In that case most methods can't be used. Just e.g.
* the #domain_size method works and returns 0 for every domain.
* Under some circumstances this can be null. In that case most methods can't be used. Allowed
* methods are #domain_size, #for_all and #is_builtin. We could potentially make these methods
* accessible without #AttributeAccessor and then #owner_ could always be non-null.
*
* \note This class cannot modify the owner's attributes, but the pointer is still non-const, so
* this class can be a base class for the mutable version.
@ -509,7 +510,10 @@ class AttributeAccessor {
*/
bool for_all(const AttributeForeachCallback fn) const
{
return fn_->for_all(owner_, fn);
if (owner_ != nullptr) {
return fn_->for_all(owner_, fn);
}
return true;
}
/**