void ED_animedit_unlink_action(bContext *C, ID *id, AnimData *adt, bAction *act, ReportList *reports)
{
ScrArea *sa = CTX_wm_area(C);
/* If the old action only has a single user (that it's about to lose),
* warn user about it
*
* TODO: Maybe we should just save it for them? But then, there's the problem of
* trying to get rid of stuff that's actually unwanted!
*/
if (act->id.us == 1) {
BKE_reportf(reports, RPT_WARNING,
"Action '%s' will not be saved, create Fake User or Stash in NLA Stack to retain",
act->id.name + 2);
}
/* If in Tweak Mode, don't unlink. Instead, this
* becomes a shortcut to exit Tweak Mode instead
*/
if ((adt) && (adt->flag & ADT_NLA_EDIT_ON)) {
/* Exit Tweak Mode */
BKE_nla_tweakmode_exit(adt);
/* Flush this to the Action Editor (if that's where this change was initiated) */
if (sa->spacetype == SPACE_ACTION) {
actedit_change_action(C, NULL);
}
}
else {
/* Unlink normally - Setting it to NULL should be enough to get the old one unlinked */
if (sa->spacetype == SPACE_ACTION) {
/* clear action editor -> action */
actedit_change_action(C, NULL);
}
else {
/* clear AnimData -> action */
PointerRNA ptr;
PropertyRNA *prop;
/* create AnimData RNA pointers */
RNA_pointer_create(id, &RNA_AnimData, adt, &ptr);
prop = RNA_struct_find_property(&ptr, "action");
/* clear... */
RNA_property_pointer_set(&ptr, prop, PointerRNA_NULL);
RNA_property_update(C, &ptr, prop);
}
}
}
static int action_stash_create_exec(bContext *C, wmOperator *op)
{
SpaceAction *saction = (SpaceAction *)CTX_wm_space_data(C);
AnimData *adt = ED_actedit_animdata_from_context(C);
/* Check for no action... */
if (saction->action == NULL) {
/* just create a new action */
bAction *action = action_create_new(C, NULL);
actedit_change_action(C, action);
}
else if (adt) {
/* Perform stashing operation */
if (action_has_motion(adt->action) == 0) {
/* don't do anything if this action is empty... */
BKE_report(op->reports, RPT_WARNING, "Action must have at least one keyframe or F-Modifier");
return OPERATOR_CANCELLED;
}
else {
/* stash the action */
if (BKE_nla_action_stash(adt)) {
bAction *new_action = NULL;
/* create new action not based on the old one (since the "new" operator already does that) */
new_action = action_create_new(C, NULL);
/* The stash operation will remove the user already,
* so the flushing step later shouldn't double up
* the usercount fixes. Hence, we must unset this ref
* first before setting the new action.
*/
saction->action = NULL;
actedit_change_action(C, new_action);
}
else {
/* action has already been added - simply warn about this, and clear */
BKE_report(op->reports, RPT_ERROR, "Action has already been stashed");
actedit_change_action(C, NULL);
}
}
}
/* Send notifiers that stuff has changed */
WM_event_add_notifier(C, NC_ANIMATION | ND_NLA_ACTCHANGE, NULL);
return OPERATOR_FINISHED;
}
static int action_layer_next_exec(bContext *C, wmOperator *op)
{
AnimData *adt = ED_actedit_animdata_from_context(C);
NlaTrack *act_track;
Scene *scene = CTX_data_scene(C);
float ctime = BKE_scene_frame_get(scene);
/* Get active track */
act_track = BKE_nlatrack_find_tweaked(adt);
if (act_track == NULL) {
BKE_report(op->reports, RPT_ERROR, "Could not find current NLA Track");
return OPERATOR_CANCELLED;
}
/* Find next action, and hook it up */
if (act_track->next) {
NlaTrack *nlt;
/* Find next action to use */
for (nlt = act_track->next; nlt; nlt = nlt->next) {
NlaStrip *strip = action_layer_get_nlastrip(&nlt->strips, ctime);
if (strip) {
action_layer_switch_strip(adt, act_track, adt->actstrip, nlt, strip);
break;
}
}
}
else {
/* No more actions (strips) - Go back to editing the original active action
* NOTE: This will mean exiting tweakmode...
*/
BKE_nla_tweakmode_exit(adt);
/* Deal with solo flags...
* Assume: Solo Track == NLA Muting
*/
if (adt->flag & ADT_NLA_SOLO_TRACK) {
/* turn off solo flags on tracks */
act_track->flag &= ~NLATRACK_SOLO;
adt->flag &= ~ADT_NLA_SOLO_TRACK;
/* turn on NLA muting (to keep same effect) */
adt->flag |= ADT_NLA_EVAL_OFF;
// TODO: Needs restpose flushing (when we get reference track)
}
}
/* Update the action that this editor now uses
* NOTE: The calls above have already handled the usercount/animdata side of things
*/
actedit_change_action(C, adt->action);
return OPERATOR_FINISHED;
}
static int action_layer_prev_exec(bContext *C, wmOperator *op)
{
AnimData *adt = ED_actedit_animdata_from_context(C);
NlaTrack *act_track;
NlaTrack *nlt;
Scene *scene = CTX_data_scene(C);
float ctime = BKE_scene_frame_get(scene);
/* Sanity Check */
if (adt == NULL) {
BKE_report(op->reports, RPT_ERROR, "Internal Error: Could not find Animation Data/NLA Stack to use");
return OPERATOR_CANCELLED;
}
/* Get active track */
act_track = BKE_nlatrack_find_tweaked(adt);
/* If there is no active track, that means we are using the active action... */
if (act_track) {
/* Active Track - Start from the one below it */
nlt = act_track->prev;
}
else {
/* Active Action - Use the top-most track */
nlt = adt->nla_tracks.last;
}
/* Find previous action and hook it up */
for (; nlt; nlt = nlt->prev) {
NlaStrip *strip = action_layer_get_nlastrip(&nlt->strips, ctime);
if (strip) {
action_layer_switch_strip(adt, act_track, adt->actstrip, nlt, strip);
break;
}
}
/* Update the action that this editor now uses
* NOTE: The calls above have already handled the usercount/animdata side of things
*/
actedit_change_action(C, adt->action);
return OPERATOR_FINISHED;
}
void ED_animedit_unlink_action(bContext *C, ID *id, AnimData *adt, bAction *act, ReportList *reports, bool force_delete)
{
ScrArea *sa = CTX_wm_area(C);
/* If the old action only has a single user (that it's about to lose),
* warn user about it
*
* TODO: Maybe we should just save it for them? But then, there's the problem of
* trying to get rid of stuff that's actually unwanted!
*/
if (act->id.us == 1) {
BKE_reportf(reports, RPT_WARNING,
"Action '%s' will not be saved, create Fake User or Stash in NLA Stack to retain",
act->id.name + 2);
}
/* Clear Fake User and remove action stashing strip (if present) */
if (force_delete) {
/* Remove stashed strip binding this action to this datablock */
/* XXX: we cannot unlink it from *OTHER* datablocks that may also be stashing it,
* but GE users only seem to use/care about single-object binding for now so this
* should be fine
*/
if (adt) {
NlaTrack *nlt, *nlt_next;
NlaStrip *strip, *nstrip;
for (nlt = adt->nla_tracks.first; nlt; nlt = nlt_next) {
nlt_next = nlt->next;
if (strstr(nlt->name, DATA_("[Action Stash]"))) {
for (strip = nlt->strips.first; strip; strip = nstrip) {
nstrip = strip->next;
if (strip->act == act) {
/* Remove this strip, and the track too if it doesn't have anything else */
free_nlastrip(&nlt->strips, strip);
if (nlt->strips.first == NULL) {
BLI_assert(nstrip == NULL);
free_nlatrack(&adt->nla_tracks, nlt);
}
}
}
}
}
}
/* Clear Fake User */
id_fake_user_clear(&act->id);
}
/* If in Tweak Mode, don't unlink. Instead, this
* becomes a shortcut to exit Tweak Mode instead
*/
if ((adt) && (adt->flag & ADT_NLA_EDIT_ON)) {
/* Exit Tweak Mode */
BKE_nla_tweakmode_exit(adt);
/* Flush this to the Action Editor (if that's where this change was initiated) */
if (sa->spacetype == SPACE_ACTION) {
actedit_change_action(C, NULL);
}
}
else {
/* Unlink normally - Setting it to NULL should be enough to get the old one unlinked */
if (sa->spacetype == SPACE_ACTION) {
/* clear action editor -> action */
actedit_change_action(C, NULL);
}
else {
/* clear AnimData -> action */
PointerRNA ptr;
PropertyRNA *prop;
/* create AnimData RNA pointers */
RNA_pointer_create(id, &RNA_AnimData, adt, &ptr);
prop = RNA_struct_find_property(&ptr, "action");
/* clear... */
RNA_property_pointer_set(&ptr, prop, PointerRNA_NULL);
RNA_property_update(C, &ptr, prop);
}
}
}
