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Animation: Add function to remove all FCurves from an Action 

Add a `BKE_action_fcurves_clear(action)` function, which removes all the
Action's FCurves, and expose it as `ActionFCurves.clear()` in RNA.

This is more ergonomic than calling `remove` on f-curves until the list
is empty.

Reviewed By: sybren

Differential Revision: https://developer.blender.org/D14660
This commit is contained in:
Colin Basnett 2022-06-23 11:41:44 +02:00 committed by Sybren A. Stüvel
parent 2ae4397ec9
commit 091100bfd7
3 changed files with 28 additions and 0 deletions
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5
source/blender/blenkernel/BKE_action.h
View File

@ -92,6 +92,11 @@ bool action_has_motion(const struct bAction *act);
*/
bool BKE_action_is_cyclic(const struct bAction *act);
/**
* Remove all fcurves from the action.
*/
void BKE_action_fcurves_clear(struct bAction *act);
/* Action Groups API ----------------- */
/**

13
source/blender/blenkernel/intern/action.c
View File

@ -1983,3 +1983,16 @@ void BKE_pose_blend_read_expand(BlendExpander *expander, bPose *pose)
BLO_expand(expander, chan->custom);
}
}
void BKE_action_fcurves_clear(bAction *act)
{
if (!act) {
return;
}
while (act->curves.first) {
FCurve *fcu = act->curves.first;
action_groups_remove_channel(act, fcu);
BKE_fcurve_free(fcu);
}
DEG_id_tag_update(&act->id, ID_RECALC_ANIMATION_NO_FLUSH);
}

10
source/blender/makesrna/intern/rna_action.c
View File

@ -168,6 +168,12 @@ static void rna_Action_fcurve_remove(bAction *act, ReportList *reports, PointerR
WM_main_add_notifier(NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
static void rna_Action_fcurve_clear(bAction *act)
{
BKE_action_fcurves_clear(act);
WM_main_add_notifier(NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
static TimeMarker *rna_Action_pose_markers_new(bAction *act, const char name[])
{
TimeMarker *marker = MEM_callocN(sizeof(TimeMarker), "TimeMarker");
@ -788,6 +794,10 @@ static void rna_def_action_fcurves(BlenderRNA *brna, PropertyRNA *cprop)
parm = RNA_def_pointer(func, "fcurve", "FCurve", "", "F-Curve to remove");
RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
RNA_def_parameter_clear_flags(parm, PROP_THICK_WRAP, 0);
/* Action.fcurves.clear() */
func = RNA_def_function(srna, "clear", "rna_Action_fcurve_clear");
RNA_def_function_ui_description(func, "Remove all F-Curves");
}
static void rna_def_action_pose_markers(BlenderRNA *brna, PropertyRNA *cprop)