Fix T69488: Hair particles: rekey disolves the hair then crashes

Caused by rB914427afd512.

Since above commit 'pe_get_current' checks for an active depsgraph. This
caused the skipping of handling
`PT_CACHE_EDIT_UPDATE_PARTICLE_FROM_EVAL`for everything calling
`PE_get_current` (this passes a NULL depsgraph as opposed to
`PE_create_current`). So we now pass a depsgraph here as well...

Note there are two RNA cases where we pass NULL, namely
- rna_ParticleEdit_editable_get
- rna_ParticleEdit_hair_get
I guess these should be fine though (no functional change to current
master)

Reviewers: sergey

Maniphest Tasks: T69488

Differential Revision: https://developer.blender.org/D5752

1 files changed, 6 insertions, 3 deletions

diff --git a/source/blender/editors/physics/particle_edit_undo.c b/source/blender/editors/physics/particle_edit_undo.c
index 40d90676487..914250259c6 100644
--- a/source/blender/editors/physics/particle_edit_undo.c
+++ b/source/blender/editors/physics/particle_edit_undo.c
@@ -228,10 +228,11 @@ typedef struct ParticleUndoStep {
 
 static bool particle_undosys_poll(struct bContext *C)
 {
+  Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
   Scene *scene = CTX_data_scene(C);
   ViewLayer *view_layer = CTX_data_view_layer(C);
   Object *ob = OBACT(view_layer);
-  PTCacheEdit *edit = PE_get_current(scene, ob);
+  PTCacheEdit *edit = PE_get_current(depsgraph, scene, ob);
 
   return (edit != NULL);
 }
@@ -240,11 +241,12 @@ static bool particle_undosys_step_encode(struct bContext *C,
                                          struct Main *UNUSED(bmain),
                                          UndoStep *us_p)
 {
+  Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
   ParticleUndoStep *us = (ParticleUndoStep *)us_p;
   ViewLayer *view_layer = CTX_data_view_layer(C);
   us->scene_ref.ptr = CTX_data_scene(C);
   us->object_ref.ptr = OBACT(view_layer);
-  PTCacheEdit *edit = PE_get_current(us->scene_ref.ptr, us->object_ref.ptr);
+  PTCacheEdit *edit = PE_get_current(depsgraph, us->scene_ref.ptr, us->object_ref.ptr);
   undoptcache_from_editcache(&us->data, edit);
   return true;
 }
@@ -255,6 +257,7 @@ static void particle_undosys_step_decode(struct bContext *C,
                                          int UNUSED(dir),
                                          bool UNUSED(is_final))
 {
+  Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
   /* TODO(campbell): undo_system: use low-level API to set mode. */
   ED_object_mode_set(C, OB_MODE_PARTICLE_EDIT);
   BLI_assert(particle_undosys_poll(C));
@@ -262,7 +265,7 @@ static void particle_undosys_step_decode(struct bContext *C,
   ParticleUndoStep *us = (ParticleUndoStep *)us_p;
   Scene *scene = us->scene_ref.ptr;
   Object *ob = us->object_ref.ptr;
-  PTCacheEdit *edit = PE_get_current(scene, ob);
+  PTCacheEdit *edit = PE_get_current(depsgraph, scene, ob);
   if (edit) {
     undoptcache_to_editcache(&us->data, edit);
     DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);