/* Remove all of a given F-Curve's modifiers */
void free_fmodifiers(ListBase *modifiers)
{
FModifier *fcm, *fmn;
/* sanity check */
if (modifiers == NULL)
return;
/* free each modifier in order - modifier is unlinked from list and freed */
for (fcm = modifiers->first; fcm; fcm = fmn) {
fmn = fcm->next;
remove_fmodifier(modifiers, fcm);
}
}
/* callback to remove the given modifier */
static void delete_fmodifier_cb(bContext *C, void *fmods_v, void *fcm_v)
{
ListBase *modifiers = (ListBase *)fmods_v;
FModifier *fcm = (FModifier *)fcm_v;
/* remove the given F-Modifier from the active modifier-stack */
remove_fmodifier(modifiers, fcm);
ED_undo_push(C, "Delete F-Curve Modifier");
/* send notifiers */
// XXX for now, this is the only way to get updates in all the right places... but would be nice to have a special one in this case
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
/* this function is responsible for setting extrapolation mode for keyframes */
static void setexpo_action_keys(bAnimContext *ac, short mode)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
/* filter data */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_SEL /*| ANIMFILTER_CURVESONLY*/ | ANIMFILTER_NODUPLIS);
ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* loop through setting mode per F-Curve */
for (ale = anim_data.first; ale; ale = ale->next) {
FCurve *fcu = (FCurve *)ale->data;
if (mode >= 0) {
/* just set mode setting */
fcu->extend = mode;
}
else {
/* shortcuts for managing Cycles F-Modifiers to make it easier to toggle cyclic animation
* without having to go through FModifier UI in Graph Editor to do so
*/
if (mode == MAKE_CYCLIC_EXPO) {
/* only add if one doesn't exist */
if (list_has_suitable_fmodifier(&fcu->modifiers, FMODIFIER_TYPE_CYCLES, -1) == 0) {
/* TODO: add some more preset versions which set different extrapolation options? */
add_fmodifier(&fcu->modifiers, FMODIFIER_TYPE_CYCLES);
}
}
else if (mode == CLEAR_CYCLIC_EXPO) {
/* remove all the modifiers fitting this description */
FModifier *fcm, *fcn = NULL;
for (fcm = fcu->modifiers.first; fcm; fcm = fcn) {
fcn = fcm->next;
if (fcm->type == FMODIFIER_TYPE_CYCLES)
remove_fmodifier(&fcu->modifiers, fcm);
}
}
}
ale->update |= ANIM_UPDATE_DEFAULT;
}
ANIM_animdata_update(ac, &anim_data);
ANIM_animdata_freelist(&anim_data);
}