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Deleting action constraints (and a few others) now adjusts the usercounts of

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their referenced data correctly
This commit is contained in:
Joshua Leung 2012-05-06 01:03:51 +00:00
parent c91cee2bb9
commit 2554a67889
1 changed files with 18 additions and 4 deletions
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22
source/blender/blenkernel/intern/constraint.c
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@ -4318,17 +4318,31 @@ bConstraintTypeInfo *constraint_get_typeinfo (bConstraint *con)
/* ---------- Data Management ------- */
/* helper function for free_constraint_data() - unlinks references */
static void con_unlink_refs_cb(bConstraint *UNUSED(con), ID **idpoin, short isReference, void *UNUSED(userData))
{
if (*idpoin && isReference)
id_us_min(*idpoin);
}
/* Free data of a specific constraint if it has any info.
* be sure to run BIK_clear_data() when freeing an IK constraint,
* unless DAG_scene_sort is called. */
* unless DAG_scene_sort is called.
*/
void free_constraint_data(bConstraint *con)
{
if (con->data) {
bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
/* perform any special freeing constraint may have */
if (cti && cti->free_data)
cti->free_data(con);
if (cti) {
/* perform any special freeing constraint may have */
if (cti->free_data)
cti->free_data(con);
/* unlink the referenced resources it uses */
if (cti->id_looper)
cti->id_looper(con, con_unlink_refs_cb, NULL);
}
/* free constraint data now */
MEM_freeN(con->data);