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Diffstat (limited to 'source/blender/makesdna/DNA_ID.h')
-rw-r--r--source/blender/makesdna/DNA_ID.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/source/blender/makesdna/DNA_ID.h b/source/blender/makesdna/DNA_ID.h
index 342245fa393..c2901b8b9a5 100644
--- a/source/blender/makesdna/DNA_ID.h
+++ b/source/blender/makesdna/DNA_ID.h
@@ -261,6 +261,8 @@ typedef struct PreviewImage {
#define ID_BLEND_PATH(_bmain, _id) ((_id)->lib ? (_id)->lib->filepath : (_bmain)->name)
+#define ID_MISSING(_id) (((_id)->flag & LIB_MISSING) != 0)
+
#ifdef GS
# undef GS
#endif
@@ -280,6 +282,8 @@ enum {
LIB_TESTIND = (LIB_NEED_EXPAND | LIB_INDIRECT),
LIB_READ = 1 << 4,
LIB_NEED_LINK = 1 << 5,
+ /* tag datablock as a place-holder (because the real one could not be linked from its library e.g.). */
+ LIB_MISSING = 1 << 6,
LIB_NEW = 1 << 8,
LIB_FAKEUSER = 1 << 9,