Differential D2714 Diff 9003 source/blender/blenkernel/intern/constraint.c

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source/blender/blenkernel/intern/constraint.c

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	static void con_fix_copied_refs_cb(bConstraint UNUSED(con), ID idpoin, bool is_reference, void UNUSED(userData))			static void con_fix_copied_refs_cb(bConstraint UNUSED(con), ID idpoin, bool is_reference, void UNUSED(userData))
	{			{
	/* increment usercount if this is a reference type */			/* increment usercount if this is a reference type */
	if ((*idpoin) && (is_reference))			if ((*idpoin) && (is_reference))
	id_us_plus(*idpoin);			id_us_plus(*idpoin);
	}			}

	/* duplicate all of the constraints in a constraint stack */			/* duplicate all of the constraints in a constraint stack */
	void BKE_constraints_copy(ListBase dst, const ListBase src, bool do_extern)			void BKE_constraints_copy_ex(ListBase dst, const ListBase src, const int flag, bool do_extern)
	{			{
	bConstraint con, srccon;			bConstraint con, srccon;

	BLI_listbase_clear(dst);			BLI_listbase_clear(dst);
	BLI_duplicatelist(dst, src);			BLI_duplicatelist(dst, src);

	for (con = dst->first, srccon = src->first; con && srccon; srccon = srccon->next, con = con->next) {			for (con = dst->first, srccon = src->first; con && srccon; srccon = srccon->next, con = con->next) {
	const bConstraintTypeInfo *cti = BKE_constraint_typeinfo_get(con);			const bConstraintTypeInfo *cti = BKE_constraint_typeinfo_get(con);

	/* make a new copy of the constraint's data */			/* make a new copy of the constraint's data */
	con->data = MEM_dupallocN(con->data);			con->data = MEM_dupallocN(con->data);

	/* only do specific constraints if required */			/* only do specific constraints if required */
	if (cti) {			if (cti) {
	/* perform custom copying operations if needed */			/* perform custom copying operations if needed */
	if (cti->copy_data)			if (cti->copy_data)
	cti->copy_data(con, srccon);			cti->copy_data(con, srccon);

	/* fix usercounts for all referenced data in referenced data */			/* Fix usercounts for all referenced data that need it. */
	if (cti->id_looper)			if (cti->id_looper && (flag & LIB_ID_COPY_NO_USER_REFCOUNT) == 0) {
	cti->id_looper(con, con_fix_copied_refs_cb, NULL);			cti->id_looper(con, con_fix_copied_refs_cb, NULL);
				}

	/* for proxies we don't want to make extern */			/* for proxies we don't want to make extern */
	if (do_extern) {			if (do_extern) {
	/* go over used ID-links for this constraint to ensure that they are valid for proxies */			/* go over used ID-links for this constraint to ensure that they are valid for proxies */
	if (cti->id_looper)			if (cti->id_looper)
	cti->id_looper(con, con_extern_cb, NULL);			cti->id_looper(con, con_extern_cb, NULL);
	}			}
	}			}
	}			}
	}			}

				void BKE_constraints_copy(ListBase dst, const ListBase src, bool do_extern)
				{
				BKE_constraints_copy_ex(dst, src, 0, do_extern);
				}

	/* ......... */			/* ......... */

	bConstraint BKE_constraints_find_name(ListBase list, const char *name)			bConstraint BKE_constraints_find_name(ListBase list, const char *name)
	{			{
	return BLI_findstring(list, name, offsetof(bConstraint, name));			return BLI_findstring(list, name, offsetof(bConstraint, name));
	}			}

	/* finds the 'active' constraint in a constraint stack */			/* finds the 'active' constraint in a constraint stack */
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