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Anim: Separate Slots operator

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This adds an operator that splits all slots of the action on the active object,
into separate actions.

The newly created actions will be named `slot_name+Action`.
All users of those slots will be reassigned to this new action.

The exploded action will not be deleted, but will end up with 0 users
unless a fake user is set.

------

For the review, does that operator name make sense?

Pull Request: https://projects.blender.org/blender/blender/pulls/128251
This commit is contained in:
Christoph Lendenfeld
2024-09-27 16:39:29 +02:00
committed by Christoph Lendenfeld
parent ad2207243a
commit 85e4bd19f6
2 changed files with 69 additions and 1 deletions
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5
scripts/startup/bl_ui/space_dopesheet.py
View File

@@ -590,8 +590,11 @@ class DOPESHEET_MT_action(Menu):
def draw(self, context):
layout = self.layout
layout.operator("anim.slot_channels_move_to_new_action")
layout.operator("anim.merge_animation")
layout.operator("anim.separate_slots")
layout.separator()
layout.operator("anim.slot_channels_move_to_new_action")
class DOPESHEET_MT_key(Menu):

65
source/blender/editors/animation/anim_channels_edit.cc
View File

@@ -5284,6 +5284,70 @@ static void ANIM_OT_slot_channels_move_to_new_action(wmOperatorType *ot)
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
static int separate_slots_exec(bContext *C, wmOperator * /* op */)
{
using namespace blender::animrig;
Object *active_object = CTX_data_active_object(C);
/* Checked by the poll function. */
BLI_assert(active_object != nullptr);
Action *action = get_action(active_object->id);
/* Also checked by the poll function. */
BLI_assert(action != nullptr);
Main *bmain = CTX_data_main(C);
while (action->slot_array_num) {
Slot *slot = action->slot(action->slot_array_num - 1);
char actname[MAX_ID_NAME - 2];
SNPRINTF(actname, DATA_("%sAction"), slot->name + 2);
Action &target_action = action_add(*bmain, actname);
Layer &layer = target_action.layer_add(std::nullopt);
layer.strip_add(target_action, Strip::Type::Keyframe);
move_slot(*bmain, *slot, *action, target_action);
DEG_id_tag_update(&target_action.id, ID_RECALC_ANIMATION_NO_FLUSH);
}
DEG_id_tag_update(&action->id, ID_RECALC_ANIMATION_NO_FLUSH);
DEG_relations_tag_update(CTX_data_main(C));
WM_event_add_notifier(C, NC_ANIMATION | ND_NLA_ACTCHANGE | NA_EDITED, nullptr);
return OPERATOR_FINISHED;
}
static bool separate_slots_poll(bContext *C)
{
Object *active_object = CTX_data_active_object(C);
if (!active_object) {
CTX_wm_operator_poll_msg_set(C, "No active object");
return false;
}
blender::animrig::Action *action = blender::animrig::get_action(active_object->id);
if (!action) {
CTX_wm_operator_poll_msg_set(C, "Active object isn't animated");
return false;
}
if (!action->is_action_layered()) {
return false;
}
return true;
}
static void ANIM_OT_separate_slots(wmOperatorType *ot)
{
ot->name = "Separate Slots";
ot->idname = "ANIM_OT_separate_slots";
ot->description =
"Move all slots of the action on the active object into newly created, separate actions. "
"All users of those slots will be reassigned to the new actions. The current action won't "
"be deleted but will be empty and might end up having zero users";
ot->exec = separate_slots_exec;
ot->poll = separate_slots_poll;
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
#endif /* WITH_ANIM_BAKLAVA */
/**
@@ -5670,6 +5734,7 @@ void ED_operatortypes_animchannels()
#ifdef WITH_ANIM_BAKLAVA
WM_operatortype_append(ANIM_OT_slot_channels_move_to_new_action);
WM_operatortype_append(ANIM_OT_separate_slots);
#endif
}