Commit: 47d222e4f3abff23599aab18e5d3aafa25242823
Author: Joseph Eagar
Date: Tue Feb 15 10:16:23 2022 -0800
Branches: temp-sculpt-colors
https://developer.blender.org/rB47d222e4f3abff23599aab18e5d3aafa25242823
temp-sculpt-colors: Fix bug in sculpt undo
SCULPT_undo_push_end was not being called, which
meant the active color attribute ref that's stored
at the end of each sculpt undo step wasn't set.
Added code to ensure this is always set, and also
added SCULPT_undo_push_end to the offending code.
Also renamed SculptUndoStep.active_attr_xxx to active_color_xxx.
===================================================================
M source/blender/editors/sculpt_paint/sculpt_ops.c
M source/blender/editors/sculpt_paint/sculpt_undo.c
===================================================================
diff --git a/source/blender/editors/sculpt_paint/sculpt_ops.c
b/source/blender/editors/sculpt_paint/sculpt_ops.c
index f1fa96d9d8d..c028e65d935 100644
--- a/source/blender/editors/sculpt_paint/sculpt_ops.c
+++ b/source/blender/editors/sculpt_paint/sculpt_ops.c
@@ -508,6 +508,7 @@ static int sculpt_mode_toggle_exec(bContext *C, wmOperator
*op)
wmWindowManager *wm = CTX_wm_manager(C);
if (wm->op_undo_depth <= 1) {
SCULPT_undo_push_begin(ob, op->type->name);
+ SCULPT_undo_push_end(ob);
}
}
}
diff --git a/source/blender/editors/sculpt_paint/sculpt_undo.c
b/source/blender/editors/sculpt_paint/sculpt_undo.c
index 9c1e0f8cb1b..5e710e0bba0 100644
--- a/source/blender/editors/sculpt_paint/sculpt_undo.c
+++ b/source/blender/editors/sculpt_paint/sculpt_undo.c
@@ -115,9 +115,11 @@ typedef struct SculptUndoStep {
/* NOTE: will split out into list for multi-object-sculpt-mode. */
UndoSculpt data;
- // active vcol layer
- SculptAttrRef active_attr_start;
- SculptAttrRef active_attr_end;
+ /* Active color attribute at the start of this undo step. */
+ SculptAttrRef active_color_start;
+
+ /* Active color attribute at the end of this undo step. */
+ SculptAttrRef active_color_end;
bContext *C;
} SculptUndoStep;
@@ -1441,8 +1443,16 @@ void SCULPT_undo_push_begin(Object *ob, const char *name)
SculptUndoStep *us = (SculptUndoStep *)BKE_undosys_step_push_init_with_type(
ustack, C, name, BKE_UNDOSYS_TYPE_SCULPT);
- if (!us->active_attr_start.was_set) {
- sculpt_save_active_attribute(ob, &us->active_attr_start);
+ if (!us->active_color_start.was_set) {
+ sculpt_save_active_attribute(ob, &us->active_color_start);
+ }
+
+ /* Set end attribute in case SCULPT_undo_push_end is not called,
+ * so we don't end up with corrupted state.
+ */
+ if (!us->active_color_end.was_set) {
+ sculpt_save_active_attribute(ob, &us->active_color_end);
+ us->active_color_end.was_set = false;
}
}
@@ -1480,7 +1490,7 @@ void SCULPT_undo_push_end_ex(struct Object *ob, const
bool use_nested_undo)
SculptUndoStep *us = (SculptUndoStep
*)BKE_undosys_stack_init_or_active_with_type(
ustack, BKE_UNDOSYS_TYPE_SCULPT);
- sculpt_save_active_attribute(ob, &us->active_attr_end);
+ sculpt_save_active_attribute(ob, &us->active_color_end);
}
/* -------------------------------------------------------------------- */
@@ -1574,12 +1584,12 @@ static void sculpt_undosys_step_decode_undo(struct
bContext *C,
while ((us_iter != us) || (!is_final && us_iter == us)) {
BLI_assert(us_iter->step.type == us->step.type); /* Previous loop ensures
this. */
- sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter)->active_attr_start);
+ sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter)->active_color_start);
sculpt_undosys_step_decode_undo_impl(C, depsgraph, us_iter);
if (us_iter == us) {
if (us_iter->step.prev && us_iter->step.prev->type ==
BKE_UNDOSYS_TYPE_SCULPT) {
- sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter->step.prev)->active_attr_end);
+ sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter->step.prev)->active_color_end);
}
break;
}
@@ -1600,11 +1610,11 @@ static void sculpt_undosys_step_decode_redo(struct
bContext *C,
us_iter = (SculptUndoStep *)us_iter->step.prev;
}
while (us_iter && (us_iter->step.is_applied == false)) {
- sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter)->active_attr_start);
+ sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter)->active_color_start);
sculpt_undosys_step_decode_redo_impl(C, depsgraph, us_iter);
if (us_iter == us) {
- sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter)->active_attr_end);
+ sculpt_undo_set_active_layer(C, &((SculptUndoStep
*)us_iter)->active_color_end);
break;
}
us_iter = (SculptUndoStep *)us_iter->step.next;
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