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Bug fix #21900

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Issue with Library linking: if you already have libraries linked in,
and you attempt to link more data, using internally already linked
stuff (like a group with group links) the linkage would fail. It did
resolve on save-load though.

There's a long commented history in this code explaining it. I found
out it was because of manual step-by-step linking versus normal file
reads. In the first case, the "lib pointer map" was missing references.
This commit is contained in:
Ton Roosendaal 2010-12-04 15:45:16 +00:00
parent 5150884550
commit cadd08b16f
1 changed files with 5 additions and 1 deletions
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6
source/blender/blenloader/intern/readfile.c
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@ -11481,7 +11481,11 @@ static void expand_doit(FileData *fd, Main *mainvar, void *old)
* lib_indirect.blend but lib.blend does too, linking in a Scene or Group from lib.blend can result in an
* empty without the dupli group referenced. Once you save and reload the group would appier. - Campbell */
/* This crashes files, must look further into it */
/*oldnewmap_insert(fd->libmap, bhead->old, id, 1);*/
/* Update: the issue is that in file reading, the oldnewmap is OK, but for existing data, it has to be
inserted in the map to be found! */
if(id->flag & LIB_PRE_EXISTING)
oldnewmap_insert(fd->libmap, bhead->old, id, 1);
change_idid_adr_fd(fd, bhead->old, id);
// commented because this can print way too much