/* copy the given F-Modifiers to the buffer, returning whether anything was copied or not
* assuming that the buffer has been cleared already with free_fmodifiers_copybuf()
* - active: only copy the active modifier
*/
short ANIM_fmodifiers_copy_to_buf(ListBase *modifiers, short active)
{
short ok = 1;
/* sanity checks */
if (ELEM(NULL, modifiers, modifiers->first))
return 0;
/* copy the whole list, or just the active one? */
if (active) {
FModifier *fcm = find_active_fmodifier(modifiers);
if (fcm) {
FModifier *fcmN = copy_fmodifier(fcm);
BLI_addtail(&fmodifier_copypaste_buf, fcmN);
}
else
ok = 0;
}
else
copy_fmodifiers(&fmodifier_copypaste_buf, modifiers);
/* did we succeed? */
return ok;
}
/* Main Driver Management API calls:
* Add a new driver for the specified property on the given ID block or replace an existing one
* with the driver + driver-curve data from the buffer
*/
bool ANIM_paste_driver(
ReportList *reports, ID *id, const char rna_path[], int array_index, short UNUSED(flag))
{
PointerRNA id_ptr, ptr;
PropertyRNA *prop;
FCurve *fcu;
/* validate pointer first - exit if failure */
RNA_id_pointer_create(id, &id_ptr);
if (RNA_path_resolve_property(&id_ptr, rna_path, &ptr, &prop) == false) {
BKE_reportf(
reports,
RPT_ERROR,
"Could not paste driver, as RNA path is invalid for the given ID (ID = %s, path = %s)",
id->name,
rna_path);
return 0;
}
/* if the buffer is empty, cannot paste... */
if (channeldriver_copypaste_buf == NULL) {
BKE_report(reports, RPT_ERROR, "Paste driver: no driver to paste");
return 0;
}
/* create Driver F-Curve, but without data which will be copied across... */
fcu = verify_driver_fcurve(id, rna_path, array_index, -1);
if (fcu) {
/* copy across the curve data from the buffer curve
* NOTE: this step needs care to not miss new settings
*/
/* keyframes/samples */
fcu->bezt = MEM_dupallocN(channeldriver_copypaste_buf->bezt);
fcu->fpt = MEM_dupallocN(channeldriver_copypaste_buf->fpt);
fcu->totvert = channeldriver_copypaste_buf->totvert;
/* modifiers */
copy_fmodifiers(&fcu->modifiers, &channeldriver_copypaste_buf->modifiers);
/* extrapolation mode */
fcu->extend = channeldriver_copypaste_buf->extend;
/* the 'juicy' stuff - the driver */
fcu->driver = fcurve_copy_driver(channeldriver_copypaste_buf->driver);
}
/* done */
return (fcu != NULL);
}
