Fix T83013: Annotation with hidden object in sculpt mode crashes

This just avoids the crash, the annotation tool still doesn't work.

Larger changes will be needed to resolve this, see T85532.

source/blender/editors/include/ED_sculpt.h

@@ -43,9 +43,9 @@ bool ED_sculpt_mask_box_select(struct bContext *C,
                                bool select);
 
 /* transform */
-void ED_sculpt_update_modal_transform(struct bContext *C);
-void ED_sculpt_init_transform(struct bContext *C);
-void ED_sculpt_end_transform(struct bContext *C);
+void ED_sculpt_update_modal_transform(struct bContext *C, struct Object *ob);
+void ED_sculpt_init_transform(struct bContext *C, struct Object *ob);
+void ED_sculpt_end_transform(struct bContext *C, struct Object *ob);
 
 /* sculpt_undo.c */
 void ED_sculpt_undosys_type(struct UndoType *ut);

source/blender/editors/sculpt_paint/sculpt_transform.c

@@ -60,10 +60,9 @@
 #include <math.h>
 #include <stdlib.h>
 
-void ED_sculpt_init_transform(struct bContext *C)
+void ED_sculpt_init_transform(struct bContext *C, Object *ob)
 {
   Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
-  Object *ob = CTX_data_active_object(C);
   SculptSession *ss = ob->sculpt;
   Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
 
@@ -220,10 +219,9 @@ static void sculpt_transform_all_vertices(Sculpt *sd, Object *ob)
       0, ss->filter_cache->totnode, &data, sculpt_transform_task_cb, &settings);
 }
 
-void ED_sculpt_update_modal_transform(struct bContext *C)
+void ED_sculpt_update_modal_transform(struct bContext *C, Object *ob)
 {
   Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
-  Object *ob = CTX_data_active_object(C);
   SculptSession *ss = ob->sculpt;
   Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
 
@@ -243,9 +241,8 @@ void ED_sculpt_update_modal_transform(struct bContext *C)
   SCULPT_flush_update_step(C, SCULPT_UPDATE_COORDS);
 }
 
-void ED_sculpt_end_transform(struct bContext *C)
+void ED_sculpt_end_transform(struct bContext *C, Object *ob)
 {
-  Object *ob = CTX_data_active_object(C);
   SculptSession *ss = ob->sculpt;
   if (ss->filter_cache) {
     SCULPT_filter_cache_free(ss);

source/blender/editors/transform/transform_convert.c

@@ -1246,7 +1246,7 @@ void createTransData(bContext *C, TransInfo *t)
       init_prop_edit = false;
       break;
     case TC_PARTICLE_VERTS:
-      createTransParticleVerts(C, t);
+      createTransParticleVerts(t);
       break;
     case TC_SCULPT:
       createTransSculpt(C, t);

source/blender/editors/transform/transform_convert.h

@@ -224,7 +224,7 @@ void createTransPaintCurveVerts(bContext *C, TransInfo *t);
 void flushTransPaintCurve(TransInfo *t);
 
 /* transform_convert_particle.c */
-void createTransParticleVerts(bContext *C, TransInfo *t);
+void createTransParticleVerts(TransInfo *t);
 void recalcData_particles(TransInfo *t);
 
 /* transform_convert_sculpt.c */

source/blender/editors/transform/transform_convert_gpencil.c

@@ -688,7 +688,7 @@ void createTransGPencil(bContext *C, TransInfo *t)
   Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
   const Scene *scene = CTX_data_scene(C);
   ToolSettings *ts = scene->toolsettings;
-  Object *obact = CTX_data_active_object(C);
+  Object *obact = OBACT(t->view_layer);
   bGPdata *gpd = obact->data;
   BLI_assert(gpd != NULL);
 

source/blender/editors/transform/transform_convert_particle.c

@@ -45,13 +45,13 @@
  *
  * \{ */
 
-void createTransParticleVerts(bContext *C, TransInfo *t)
+void createTransParticleVerts(TransInfo *t)
 {
   FOREACH_TRANS_DATA_CONTAINER (t, tc) {
 
     TransData *td = NULL;
     TransDataExtension *tx;
-    Object *ob = CTX_data_active_object(C);
+    Object *ob = OBACT(t->view_layer);
     ParticleEditSettings *pset = PE_settings(t->scene);
     PTCacheEdit *edit = PE_get_current(t->depsgraph, t->scene, ob);
     ParticleSystem *psys = NULL;

source/blender/editors/transform/transform_convert_sculpt.c

@@ -49,7 +49,7 @@ void createTransSculpt(bContext *C, TransInfo *t)
     return;
   }
 
-  Object *ob = CTX_data_active_object(t->context);
+  Object *ob = OBACT(t->view_layer);
   SculptSession *ss = ob->sculpt;
 
   {
@@ -101,7 +101,7 @@ void createTransSculpt(bContext *C, TransInfo *t)
   copy_m3_m4(td->axismtx, ob->obmat);
 
   BLI_assert(!(t->options & CTX_PAINT_CURVE));
-  ED_sculpt_init_transform(C);
+  ED_sculpt_init_transform(C, ob);
 }
 
 /** \} */
@@ -113,7 +113,8 @@ void createTransSculpt(bContext *C, TransInfo *t)
 
 void recalcData_sculpt(TransInfo *t)
 {
-  ED_sculpt_update_modal_transform(t->context);
+  Object *ob = OBACT(t->view_layer);
+  ED_sculpt_update_modal_transform(t->context, ob);
 }
 
 void special_aftertrans_update__sculpt(bContext *C, TransInfo *t)
@@ -124,8 +125,9 @@ void special_aftertrans_update__sculpt(bContext *C, TransInfo *t)
     return;
   }
 
+  Object *ob = OBACT(t->view_layer);
   BLI_assert(!(t->options & CTX_PAINT_CURVE));
-  ED_sculpt_end_transform(C);
+  ED_sculpt_end_transform(C, ob);
 }
 
 /** \} */