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Clear old item groups when they are overridden. (#8753)

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This fixes overridden items keeping their old groups in the group to
items mapping even after their groups have been changed in lua.
It also prevents a more widespread issue where overriding an item
will add its content ID *twice* to the mapping, resulting in odd
behaviour in features such as ABMs.
This commit is contained in:
Beha 2019-08-12 13:18:52 -04:00 • committed by sfan5
parent 91114b562f
commit 2f879e8bbd
2 changed files with 36 additions and 14 deletions
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8
src/nodedef.h
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@ -668,6 +668,14 @@ private:
*/
void addNameIdMapping(content_t i, std::string name);
/*!
* Removes a content ID from all groups.
* Erases content IDs from vectors in \ref m_group_to_items and
* removes empty vectors.
* @param id Content ID
*/
void eraseIdFromGroups(content_t id);
/*!
* Recalculates m_selection_box_int_union based on
* m_selection_box_union.