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/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation, Joshua Leung
* All rights reserved.
*
*
* Contributor(s): Joshua Leung (major recode)
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <string.h>
#include <stdio.h>
#include <math.h>
#include "DNA_anim_types.h"
#include "DNA_action_types.h"
#include "DNA_nla_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "BLI_rand.h"
#include "BKE_animsys.h"
#include "BKE_action.h"
#include "BKE_fcurve.h"
#include "BKE_nla.h"
#include "BKE_context.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_report.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
#include "ED_anim_api.h"
#include "ED_keyframes_edit.h"
#include "ED_markers.h"
#include "ED_space_api.h"
#include "ED_screen.h"
#include "BIF_transform.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "nla_intern.h" // own include
#include "nla_private.h" // FIXME... maybe this shouldn't be included?
/* *********************************************** */
/* 'Special' Editing */
/* ******************** Tweak-Mode Operators ***************************** */
/* 'Tweak mode' allows the action referenced by the active NLA-strip to be edited
* as if it were the normal Active-Action of its AnimData block.
*/
static int nlaedit_enable_tweakmode_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
int ok=0;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the AnimData blocks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_ANIMDATA);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* if no blocks, popup error? */
if (anim_data.first == NULL) {
BKE_report(op->reports, RPT_ERROR, "No AnimData blocks to enter tweakmode for");
return OPERATOR_CANCELLED;
}
/* for each AnimData block with NLA-data, try setting it in tweak-mode */
for (ale= anim_data.first; ale; ale= ale->next) {
AnimData *adt= ale->data;
/* try entering tweakmode if valid */
ok += BKE_nla_tweakmode_enter(adt);
}
/* free temp data */
BLI_freelistN(&anim_data);
/* if we managed to enter tweakmode on at least one AnimData block,
* set the flag for this in the active scene and send notifiers
*/
if (ac.scene && ok) {
/* set editing flag */
ac.scene->flag |= SCE_NLA_EDIT_ON;
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
}
else {
BKE_report(op->reports, RPT_ERROR, "No active strip(s) to enter tweakmode on.");
return OPERATOR_CANCELLED;
}
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_tweakmode_enter (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Enter Tweak Mode";
ot->idname= "NLA_OT_tweakmode_enter";
ot->description= "Enter tweaking mode for the action referenced by the active strip.";
/* api callbacks */
ot->exec= nlaedit_enable_tweakmode_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ------------- */
static int nlaedit_disable_tweakmode_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the AnimData blocks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_ANIMDATA);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* if no blocks, popup error? */
if (anim_data.first == NULL) {
BKE_report(op->reports, RPT_ERROR, "No AnimData blocks to enter tweakmode for");
return OPERATOR_CANCELLED;
}
/* for each AnimData block with NLA-data, try exitting tweak-mode */
for (ale= anim_data.first; ale; ale= ale->next) {
AnimData *adt= ale->data;
/* try entering tweakmode if valid */
BKE_nla_tweakmode_exit(adt);
}
/* free temp data */
BLI_freelistN(&anim_data);
/* if we managed to enter tweakmode on at least one AnimData block,
* set the flag for this in the active scene and send notifiers
*/
if (ac.scene) {
/* clear editing flag */
ac.scene->flag &= ~SCE_NLA_EDIT_ON;
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
}
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_tweakmode_exit (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Exit Tweak Mode";
ot->idname= "NLA_OT_tweakmode_exit";
ot->description= "Exit tweaking mode for the action referenced by the active strip.";
/* api callbacks */
ot->exec= nlaedit_disable_tweakmode_exec;
ot->poll= nlaop_poll_tweakmode_on;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* *********************************************** */
/* NLA Editing Operations (Constructive/Destructive) */
/* ******************** Add Action-Clip Operator ***************************** */
/* Add a new Action-Clip strip to the active track (or the active block if no space in the track) */
/* pop up menu allowing user to choose the action to use */
static int nlaedit_add_actionclip_invoke (bContext *C, wmOperator *op, wmEvent *evt)
{
Main *m= CTX_data_main(C);
bAction *act;
uiPopupMenu *pup;
uiLayout *layout;
pup= uiPupMenuBegin(C, "Add Action Clip", 0);
layout= uiPupMenuLayout(pup);
/* loop through Actions in Main database, adding as items in the menu */
for (act= m->action.first; act; act= act->id.next)
uiItemStringO(layout, act->id.name+2, 0, "NLA_OT_add_actionclip", "action", act->id.name);
uiItemS(layout);
uiPupMenuEnd(C, pup);
return OPERATOR_CANCELLED;
}
/* add the specified action as new strip */
static int nlaedit_add_actionclip_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
Scene *scene;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter, items;
bAction *act = NULL;
char actname[22];
float cfra;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
scene= ac.scene;
cfra= (float)CFRA;
/* get action to use */
RNA_string_get(op->ptr, "action", actname);
act= (bAction *)find_id("AC", actname+2);
if (act == NULL) {
BKE_report(op->reports, RPT_ERROR, "No valid Action to add.");
//printf("Add strip - actname = '%s' \n", actname);
return OPERATOR_CANCELLED;
}
/* get a list of the editable tracks being shown in the NLA
* - this is limited to active ones for now, but could be expanded to
*/
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_ACTIVE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
items= ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
if (items == 0) {
BKE_report(op->reports, RPT_ERROR, "No active track(s) to add strip to.");
return OPERATOR_CANCELLED;
}
/* for every active track, try to add strip to free space in track or to the top of the stack if no space */
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
AnimData *adt= BKE_animdata_from_id(ale->id);
NlaStrip *strip= NULL;
/* create a new strip, and offset it to start on the current frame */
strip= add_nlastrip(act);
strip->end += (cfra - strip->start);
strip->start = cfra;
/* firstly try adding strip to our current track, but if that fails, add to a new track */
if (BKE_nlatrack_add_strip(nlt, strip) == 0) {
/* trying to add to the current failed (no space),
* so add a new track to the stack, and add to that...
*/
nlt= add_nlatrack(adt, NULL);
BKE_nlatrack_add_strip(nlt, strip);
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_add_actionclip (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Add Action Strip";
ot->idname= "NLA_OT_add_actionclip";
ot->description= "Add an Action-Clip strip (i.e. an NLA Strip referencing an Action) to the active track.";
/* api callbacks */
ot->invoke= nlaedit_add_actionclip_invoke;
ot->exec= nlaedit_add_actionclip_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* props */
// TODO: this would be nicer as an ID-pointer...
RNA_def_string(ot->srna, "action", "", 21, "Action", "Name of Action to add as a new Action-Clip Strip.");
}
/* ******************** Add Transition Operator ***************************** */
/* Add a new transition strip between selected strips */
/* add the specified action as new strip */
static int nlaedit_add_transition_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
int done = 0;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* for each track, find pairs of strips to add transitions to */
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaStrip *s1, *s2;
/* get initial pair of strips */
if ELEM(nlt->strips.first, NULL, nlt->strips.last)
continue;
s1= nlt->strips.first;
s2= s1->next;
/* loop over strips */
for (; s1 && s2; s1=s2, s2=s2->next) {
NlaStrip *strip;
/* check if both are selected */
if ELEM(0, (s1->flag & NLASTRIP_FLAG_SELECT), (s2->flag & NLASTRIP_FLAG_SELECT))
continue;
/* check if there's space between the two */
if (IS_EQ(s1->end, s2->start))
continue;
/* allocate new strip */
strip= MEM_callocN(sizeof(NlaStrip), "NlaStrip");
BLI_insertlinkafter(&nlt->strips, s1, strip);
/* set the type */
strip->type= NLASTRIP_TYPE_TRANSITION;
/* generic settings
* - selected flag to highlight this to the user
* - auto-blends to ensure that blend in/out values are automatically
* determined by overlaps of strips
*/
strip->flag = NLASTRIP_FLAG_SELECT|NLASTRIP_FLAG_AUTO_BLENDS;
/* range is simply defined as the endpoints of the adjacent strips */
strip->start = s1->end;
strip->end = s2->start;
/* scale and repeat aren't of any use, but shouldn't ever be 0 */
strip->scale= 1.0f;
strip->repeat = 1.0f;
/* make note of this */
done++;
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* was anything added? */
if (done) {
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
else {
BKE_report(op->reports, RPT_ERROR, "Needs at least a pair of adjacent selected strips.");
return OPERATOR_CANCELLED;
}
}
void NLA_OT_add_transition (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Add Transition";
ot->idname= "NLA_OT_add_transition";
ot->description= "Add a transition strip between two adjacent selected strips.";
/* api callbacks */
ot->exec= nlaedit_add_transition_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ******************** Duplicate Strips Operator ************************** */
/* Duplicates the selected NLA-Strips, putting them on new tracks above the one
* the originals were housed in.
*/
static int nlaedit_duplicate_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
short done = 0;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* duplicate strips in tracks starting from the last one so that we're
* less likely to duplicate strips we just duplicated...
*/
for (ale= anim_data.last; ale; ale= ale->prev) {
NlaTrack *nlt= (NlaTrack *)ale->data;
AnimData *adt= BKE_animdata_from_id(ale->id);
NlaStrip *strip, *nstrip, *next;
NlaTrack *track;
for (strip= nlt->strips.first; strip; strip= next) {
next= strip->next;
/* if selected, split the strip at its midpoint */
if (strip->flag & NLASTRIP_FLAG_SELECT) {
/* make a copy (assume that this is possible) */
nstrip= copy_nlastrip(strip);
/* in case there's no space in the track above, or we haven't got a reference to it yet, try adding */
if (BKE_nlatrack_add_strip(nlt->next, nstrip) == 0) {
/* need to add a new track above the one above the current one
* - if the current one is the last one, nlt->next will be NULL, which defaults to adding
* at the top of the stack anyway...
*/
track= add_nlatrack(adt, nlt->next);
BKE_nlatrack_add_strip(track, nstrip);
}
/* deselect the original and the active flag */
strip->flag &= ~(NLASTRIP_FLAG_SELECT|NLASTRIP_FLAG_ACTIVE);
done++;
}
}
}
/* free temp data */
BLI_freelistN(&anim_data);
if (done) {
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
else
return OPERATOR_CANCELLED;
}
static int nlaedit_duplicate_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
nlaedit_duplicate_exec(C, op);
RNA_int_set(op->ptr, "mode", TFM_TIME_TRANSLATE); // XXX
WM_operator_name_call(C, "TFM_OT_transform", WM_OP_INVOKE_REGION_WIN, op->ptr);
return OPERATOR_FINISHED;
}
void NLA_OT_duplicate (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Duplicate Strips";
ot->idname= "NLA_OT_duplicate";
ot->description= "Duplicate selected NLA-Strips, adding the new strips in new tracks above the originals.";
/* api callbacks */
ot->invoke= nlaedit_duplicate_invoke;
ot->exec= nlaedit_duplicate_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* to give to transform */
RNA_def_int(ot->srna, "mode", TFM_TRANSLATION, 0, INT_MAX, "Mode", "", 0, INT_MAX);
}
/* ******************** Delete Strips Operator ***************************** */
/* Deletes the selected NLA-Strips */
static int nlaedit_delete_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* for each NLA-Track, delete all selected strips */
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaStrip *strip, *nstrip;
for (strip= nlt->strips.first; strip; strip= nstrip) {
nstrip= strip->next;
/* if selected, delete */
if (strip->flag & NLASTRIP_FLAG_SELECT)
free_nlastrip(&nlt->strips, strip);
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_delete (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Delete Strips";
ot->idname= "NLA_OT_delete";
ot->description= "Delete selected strips.";
/* api callbacks */
ot->exec= nlaedit_delete_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ******************** Split Strips Operator ***************************** */
/* Splits the selected NLA-Strips into two strips at the midpoint of the strip */
// TODO's?
// - multiple splits
// - variable-length splits?
static int nlaedit_split_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* for each NLA-Track, split all selected strips into two strips */
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaStrip *strip, *nstrip, *next;
for (strip= nlt->strips.first; strip; strip= next) {
next= strip->next;
/* if selected, split the strip at its midpoint */
if (strip->flag & NLASTRIP_FLAG_SELECT) {
float midframe, midaframe, len;
/* calculate the frames to do the splitting at */
/* strip extents */
len= strip->end - strip->start;
if (IS_EQ(len, 0.0f))
continue;
else
midframe= strip->start + (len / 2.0f);
/* action range */
len= strip->actend - strip->actstart;
if (IS_EQ(len, 0.0f))
midaframe= strip->actend;
else
midaframe= strip->actstart + (len / 2.0f);
/* make a copy (assume that this is possible) and append
* it immediately after the current strip
*/
nstrip= copy_nlastrip(strip);
BLI_insertlinkafter(&nlt->strips, strip, nstrip);
/* set the endpoint of the first strip and the start of the new strip
* to the midframe values calculated above
*/
strip->end= midframe;
nstrip->start= midframe;
strip->actend= midaframe;
nstrip->actstart= midaframe;
/* clear the active flag from the copy */
nstrip->flag &= ~NLASTRIP_FLAG_ACTIVE;
}
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_split (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Split Strips";
ot->idname= "NLA_OT_split";
ot->description= "Split selected strips at their midpoints.";
/* api callbacks */
ot->exec= nlaedit_split_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* *********************************************** */
/* NLA Editing Operations (Modifying) */
/* ******************** Move Strips Up Operator ************************** */
/* Tries to move the selected strips into the track above if possible. */
static int nlaedit_move_up_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
BeztEditData bed;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* init the editing data */
memset(&bed, 0, sizeof(BeztEditData));
/* since we're potentially moving strips from lower tracks to higher tracks, we should
* loop over the tracks in reverse order to avoid moving earlier strips up multiple tracks
*/
for (ale= anim_data.last; ale; ale= ale->prev) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaTrack *nltn= nlt->next;
NlaStrip *strip, *stripn;
/* if this track has no tracks after it, skip for now... */
if (nltn == NULL)
continue;
/* for every selected strip, try to move */
for (strip= nlt->strips.first; strip; strip= stripn) {
stripn= strip->next;
if (strip->flag & NLASTRIP_FLAG_SELECT) {
/* check if the track above has room for this strip */
if (BKE_nlatrack_has_space(nltn, strip->start, strip->end)) {
/* remove from its current track, and add to the one above (it 'should' work, so no need to worry) */
BLI_remlink(&nlt->strips, strip);
BKE_nlatrack_add_strip(nltn, strip);
}
}
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_move_up (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Move Strips Up";
ot->idname= "NLA_OT_move_up";
ot->description= "Move selected strips up a track if there's room.";
/* api callbacks */
ot->exec= nlaedit_move_up_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ******************** Move Strips Down Operator ************************** */
/* Tries to move the selected strips into the track above if possible. */
static int nlaedit_move_down_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
BeztEditData bed;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* init the editing data */
memset(&bed, 0, sizeof(BeztEditData));
/* loop through the tracks in normal order, since we're pushing strips down,
* strips won't get operated on twice
*/
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaTrack *nltp= nlt->prev;
NlaStrip *strip, *stripn;
/* if this track has no tracks before it, skip for now... */
if (nltp == NULL)
continue;
/* for every selected strip, try to move */
for (strip= nlt->strips.first; strip; strip= stripn) {
stripn= strip->next;
if (strip->flag & NLASTRIP_FLAG_SELECT) {
/* check if the track below has room for this strip */
if (BKE_nlatrack_has_space(nltp, strip->start, strip->end)) {
/* remove from its current track, and add to the one above (it 'should' work, so no need to worry) */
BLI_remlink(&nlt->strips, strip);
BKE_nlatrack_add_strip(nltp, strip);
}
}
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_move_down (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Move Strips Down";
ot->idname= "NLA_OT_move_down";
ot->description= "Move selected strips down a track if there's room.";
/* api callbacks */
ot->exec= nlaedit_move_down_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ******************** Apply Scale Operator ***************************** */
/* Reset the scaling of the selected strips to 1.0f */
/* apply scaling to keyframe */
static short bezt_apply_nlamapping (BeztEditData *bed, BezTriple *bezt)
{
/* NLA-strip which has this scaling is stored in bed->data */
NlaStrip *strip= (NlaStrip *)bed->data;
/* adjust all the times */
bezt->vec[0][0]= nlastrip_get_frame(strip, bezt->vec[0][0], NLATIME_CONVERT_MAP);
bezt->vec[1][0]= nlastrip_get_frame(strip, bezt->vec[1][0], NLATIME_CONVERT_MAP);
bezt->vec[2][0]= nlastrip_get_frame(strip, bezt->vec[2][0], NLATIME_CONVERT_MAP);
/* nothing to return or else we exit */
return 0;
}
static int nlaedit_apply_scale_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
BeztEditData bed;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* init the editing data */
memset(&bed, 0, sizeof(BeztEditData));
/* for each NLA-Track, apply scale of all selected strips */
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaStrip *strip;
for (strip= nlt->strips.first; strip; strip= strip->next) {
/* strip must be selected, and must be action-clip only (transitions don't have scale) */
if ((strip->flag & NLASTRIP_FLAG_SELECT) && (strip->type == NLASTRIP_TYPE_CLIP)) {
/* if the referenced action is used by other strips, make this strip use its own copy */
if (strip->act == NULL)
continue;
if (strip->act->id.us > 1) {
/* make a copy of the Action to work on */
bAction *act= copy_action(strip->act);
/* set this as the new referenced action, decrementing the users of the old one */
strip->act->id.us--;
strip->act= act;
}
/* setup iterator, and iterate over all the keyframes in the action, applying this scaling */
bed.data= strip;
ANIM_animchanneldata_keys_bezier_loop(&bed, strip->act, ALE_ACT, NULL, bezt_apply_nlamapping, calchandles_fcurve, 0);
/* clear scale of strip now that it has been applied,
* and recalculate the extents of the action now that it has been scaled
* but leave everything else alone
*/
strip->scale= 1.0f;
calc_action_range(strip->act, &strip->actstart, &strip->actend, 1);
}
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_apply_scale (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Apply Scale";
ot->idname= "NLA_OT_apply_scale";
ot->description= "Apply scaling of selected strips to their referenced Actions.";
/* api callbacks */
ot->exec= nlaedit_apply_scale_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* ******************** Clear Scale Operator ***************************** */
/* Reset the scaling of the selected strips to 1.0f */
static int nlaedit_clear_scale_exec (bContext *C, wmOperator *op)
{
bAnimContext ac;
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get a list of the editable tracks being shown in the NLA */
filter= (ANIMFILTER_VISIBLE | ANIMFILTER_NLATRACKS | ANIMFILTER_FOREDIT);
ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
/* for each NLA-Track, reset scale of all selected strips */
for (ale= anim_data.first; ale; ale= ale->next) {
NlaTrack *nlt= (NlaTrack *)ale->data;
NlaStrip *strip;
for (strip= nlt->strips.first; strip; strip= strip->next) {
/* strip must be selected, and must be action-clip only (transitions don't have scale) */
if ((strip->flag & NLASTRIP_FLAG_SELECT) && (strip->type == NLASTRIP_TYPE_CLIP)) {
PointerRNA strip_ptr;
RNA_pointer_create(NULL, &RNA_NlaStrip, strip, &strip_ptr);
RNA_float_set(&strip_ptr, "scale", 1.0f);
}
}
}
/* free temp data */
BLI_freelistN(&anim_data);
/* set notifier that things have changed */
ANIM_animdata_send_notifiers(C, &ac, ANIM_CHANGED_BOTH);
WM_event_add_notifier(C, NC_SCENE, NULL);
/* done */
return OPERATOR_FINISHED;
}
void NLA_OT_clear_scale (wmOperatorType *ot)
{
/* identifiers */
ot->name= "Clear Scale";
ot->idname= "NLA_OT_clear_scale";
ot->description= "Reset scaling of selected strips.";
/* api callbacks */
ot->exec= nlaedit_clear_scale_exec;
ot->poll= nlaop_poll_tweakmode_off;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}
/* *********************************************** */
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