LibOverride: PointCache: Add UI feedback about need to enable Disk Cache.

Note that I chose to modify the label of the main `Bake` button instead
of adding an extra label line, as that would disturb the UI in a
annoying way.

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/editors/physics/physics_pointcache.c b/source/blender/editors/physics/physics_pointcache.c
index e827a3fbb2d..f0cf1f2fbf9 100644
--- a/source/blender/editors/physics/physics_pointcache.c
+++ b/source/blender/editors/physics/physics_pointcache.c
@@ -66,10 +66,13 @@ static bool ptcache_poll(bContext *C)
   }
 
   if (ID_IS_OVERRIDE_LIBRARY_REAL(id) && (point_cache->flag & PTCACHE_DISK_CACHE) == false) {
+    CTX_wm_operator_poll_msg_set(C,
+                                 "Library override data-blocks only support Disk Cache storage");
     return false;
   }
 
   if (ID_IS_LINKED(id) && (point_cache->flag & PTCACHE_DISK_CACHE) == false) {
+    CTX_wm_operator_poll_msg_set(C, "Linked data-blocks do not allow to edit caches");
     return false;
   }
 
@@ -88,6 +91,8 @@ static bool ptcache_add_remove_poll(bContext *C)
   }
 
   if (ID_IS_OVERRIDE_LIBRARY_REAL(id) || ID_IS_LINKED(id)) {
+    CTX_wm_operator_poll_msg_set(
+        C, "Linked or library override data-blocks do not allow to add or remove caches");
     return false;
   }