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|
/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation, Joshua Leung
* All rights reserved.
*/
/** \file
* \ingroup edanimation
*/
#include <float.h>
#include <math.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_constraint_types.h"
#include "DNA_key_types.h"
#include "DNA_material_types.h"
#include "DNA_object_types.h"
#include "DNA_rigidbody_types.h"
#include "DNA_scene_types.h"
#include "BKE_action.h"
#include "BKE_anim_data.h"
#include "BKE_animsys.h"
#include "BKE_armature.h"
#include "BKE_context.h"
#include "BKE_fcurve.h"
#include "BKE_fcurve_driver.h"
#include "BKE_global.h"
#include "BKE_idtype.h"
#include "BKE_key.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_nla.h"
#include "BKE_report.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_build.h"
#include "DEG_depsgraph_query.h"
#include "ED_anim_api.h"
#include "ED_keyframes_edit.h"
#include "ED_keyframing.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"
#include "anim_intern.h"
static KeyingSet *keyingset_get_from_op_with_error(wmOperator *op,
PropertyRNA *prop,
Scene *scene);
static int delete_key_using_keying_set(bContext *C, wmOperator *op, KeyingSet *ks);
/* ************************************************** */
/* Keyframing Setting Wrangling */
/* Get the active settings for keyframing settings from context (specifically the given scene) */
eInsertKeyFlags ANIM_get_keyframing_flags(Scene *scene, const bool use_autokey_mode)
{
eInsertKeyFlags flag = INSERTKEY_NOFLAGS;
/* standard flags */
{
/* visual keying */
if (IS_AUTOKEY_FLAG(scene, AUTOMATKEY)) {
flag |= INSERTKEY_MATRIX;
}
/* only needed */
if (IS_AUTOKEY_FLAG(scene, INSERTNEEDED)) {
flag |= INSERTKEY_NEEDED;
}
/* default F-Curve color mode - RGB from XYZ indices */
if (IS_AUTOKEY_FLAG(scene, XYZ2RGB)) {
flag |= INSERTKEY_XYZ2RGB;
}
}
/* only if including settings from the autokeying mode... */
if (use_autokey_mode) {
/* keyframing mode - only replace existing keyframes */
if (IS_AUTOKEY_MODE(scene, EDITKEYS)) {
flag |= INSERTKEY_REPLACE;
}
/* cycle-aware keyframe insertion - preserve cycle period and flow */
if (IS_AUTOKEY_FLAG(scene, CYCLEAWARE)) {
flag |= INSERTKEY_CYCLE_AWARE;
}
}
return flag;
}
/* ******************************************* */
/* Animation Data Validation */
/* Get (or add relevant data to be able to do so) the Active Action for the given
* Animation Data block, given an ID block where the Animation Data should reside.
*/
bAction *ED_id_action_ensure(Main *bmain, ID *id)
{
AnimData *adt;
/* init animdata if none available yet */
adt = BKE_animdata_from_id(id);
if (adt == NULL) {
adt = BKE_animdata_ensure_id(id);
}
if (adt == NULL) {
/* if still none (as not allowed to add, or ID doesn't have animdata for some reason) */
printf("ERROR: Couldn't add AnimData (ID = %s)\n", (id) ? (id->name) : "<None>");
return NULL;
}
/* init action if none available yet */
/* TODO: need some wizardry to handle NLA stuff correct */
if (adt->action == NULL) {
/* init action name from name of ID block */
char actname[sizeof(id->name) - 2];
BLI_snprintf(actname, sizeof(actname), "%sAction", id->name + 2);
/* create action */
adt->action = BKE_action_add(bmain, actname);
/* set ID-type from ID-block that this is going to be assigned to
* so that users can't accidentally break actions by assigning them
* to the wrong places
*/
BKE_animdata_action_ensure_idroot(id, adt->action);
/* Tag depsgraph to be rebuilt to include time dependency. */
DEG_relations_tag_update(bmain);
}
DEG_id_tag_update(&adt->action->id, ID_RECALC_ANIMATION_NO_FLUSH);
/* return the action */
return adt->action;
}
/**
* Find the F-Curve from the Active Action,
* for the given Animation Data block. This assumes that all the destinations are valid.
*/
FCurve *ED_action_fcurve_find(struct bAction *act, const char rna_path[], const int array_index)
{
/* Sanity checks. */
if (ELEM(NULL, act, rna_path)) {
return NULL;
}
return BKE_fcurve_find(&act->curves, rna_path, array_index);
}
/**
* Get (or add relevant data to be able to do so) F-Curve from the Active Action,
* for the given Animation Data block. This assumes that all the destinations are valid.
*/
FCurve *ED_action_fcurve_ensure(struct Main *bmain,
struct bAction *act,
const char group[],
struct PointerRNA *ptr,
const char rna_path[],
const int array_index)
{
bActionGroup *agrp;
FCurve *fcu;
/* Sanity checks. */
if (ELEM(NULL, act, rna_path)) {
return NULL;
}
/* try to find f-curve matching for this setting
* - add if not found and allowed to add one
* TODO: add auto-grouping support? how this works will need to be resolved
*/
fcu = BKE_fcurve_find(&act->curves, rna_path, array_index);
if (fcu == NULL) {
/* use default settings to make a F-Curve */
fcu = BKE_fcurve_create();
fcu->flag = (FCURVE_VISIBLE | FCURVE_SELECTED);
fcu->auto_smoothing = U.auto_smoothing_new;
if (BLI_listbase_is_empty(&act->curves)) {
fcu->flag |= FCURVE_ACTIVE; /* first one added active */
}
/* store path - make copy, and store that */
fcu->rna_path = BLI_strdup(rna_path);
fcu->array_index = array_index;
/* if a group name has been provided, try to add or find a group, then add F-Curve to it */
if (group) {
/* try to find group */
agrp = BKE_action_group_find_name(act, group);
/* no matching groups, so add one */
if (agrp == NULL) {
agrp = action_groups_add_new(act, group);
/* sync bone group colors if applicable */
if (ptr && (ptr->type == &RNA_PoseBone)) {
Object *ob = (Object *)ptr->owner_id;
bPoseChannel *pchan = ptr->data;
bPose *pose = ob->pose;
bActionGroup *grp;
/* find bone group (if present), and use the color from that */
grp = (bActionGroup *)BLI_findlink(&pose->agroups, (pchan->agrp_index - 1));
if (grp) {
agrp->customCol = grp->customCol;
action_group_colors_sync(agrp, grp);
}
}
}
/* add F-Curve to group */
action_groups_add_channel(act, agrp, fcu);
}
else {
/* just add F-Curve to end of Action's list */
BLI_addtail(&act->curves, fcu);
}
/* New f-curve was added, meaning it's possible that it affects
* dependency graph component which wasn't previously animated.
*/
DEG_relations_tag_update(bmain);
}
/* return the F-Curve */
return fcu;
}
/* Helper for update_autoflags_fcurve() */
static void update_autoflags_fcurve_direct(FCurve *fcu, PropertyRNA *prop)
{
/* set additional flags for the F-Curve (i.e. only integer values) */
fcu->flag &= ~(FCURVE_INT_VALUES | FCURVE_DISCRETE_VALUES);
switch (RNA_property_type(prop)) {
case PROP_FLOAT:
/* do nothing */
break;
case PROP_INT:
/* do integer (only 'whole' numbers) interpolation between all points */
fcu->flag |= FCURVE_INT_VALUES;
break;
default:
/* do 'discrete' (i.e. enum, boolean values which cannot take any intermediate
* values at all) interpolation between all points
* - however, we must also ensure that evaluated values are only integers still
*/
fcu->flag |= (FCURVE_DISCRETE_VALUES | FCURVE_INT_VALUES);
break;
}
}
/* Update integer/discrete flags of the FCurve (used when creating/inserting keyframes,
* but also through RNA when editing an ID prop, see T37103).
*/
void update_autoflags_fcurve(FCurve *fcu, bContext *C, ReportList *reports, PointerRNA *ptr)
{
PointerRNA tmp_ptr;
PropertyRNA *prop;
int old_flag = fcu->flag;
if ((ptr->owner_id == NULL) && (ptr->data == NULL)) {
BKE_report(reports, RPT_ERROR, "No RNA pointer available to retrieve values for this fcurve");
return;
}
/* try to get property we should be affecting */
if (RNA_path_resolve_property(ptr, fcu->rna_path, &tmp_ptr, &prop) == false) {
/* property not found... */
const char *idname = (ptr->owner_id) ? ptr->owner_id->name : TIP_("<No ID pointer>");
BKE_reportf(reports,
RPT_ERROR,
"Could not update flags for this fcurve, as RNA path is invalid for the given ID "
"(ID = %s, path = %s)",
idname,
fcu->rna_path);
return;
}
/* update F-Curve flags */
update_autoflags_fcurve_direct(fcu, prop);
if (old_flag != fcu->flag) {
/* Same as if keyframes had been changed */
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
}
/* ************************************************** */
/* KEYFRAME INSERTION */
/* Move the point where a key is about to be inserted to be inside the main cycle range.
* Returns the type of the cycle if it is enabled and valid.
*/
static eFCU_Cycle_Type remap_cyclic_keyframe_location(FCurve *fcu, float *px, float *py)
{
if (fcu->totvert < 2 || !fcu->bezt) {
return FCU_CYCLE_NONE;
}
eFCU_Cycle_Type type = BKE_fcurve_get_cycle_type(fcu);
if (type == FCU_CYCLE_NONE) {
return FCU_CYCLE_NONE;
}
BezTriple *first = &fcu->bezt[0], *last = &fcu->bezt[fcu->totvert - 1];
float start = first->vec[1][0], end = last->vec[1][0];
if (start >= end) {
return FCU_CYCLE_NONE;
}
if (*px < start || *px > end) {
float period = end - start;
float step = floorf((*px - start) / period);
*px -= step * period;
if (type == FCU_CYCLE_OFFSET) {
/* Nasty check to handle the case when the modes are different better. */
FMod_Cycles *data = ((FModifier *)fcu->modifiers.first)->data;
short mode = (step >= 0) ? data->after_mode : data->before_mode;
if (mode == FCM_EXTRAPOLATE_CYCLIC_OFFSET) {
*py -= step * (last->vec[1][1] - first->vec[1][1]);
}
}
}
return type;
}
/* -------------- BezTriple Insertion -------------------- */
/* Change the Y position of a keyframe to match the input, adjusting handles. */
static void replace_bezt_keyframe_ypos(BezTriple *dst, const BezTriple *bezt)
{
/* just change the values when replacing, so as to not overwrite handles */
float dy = bezt->vec[1][1] - dst->vec[1][1];
/* just apply delta value change to the handle values */
dst->vec[0][1] += dy;
dst->vec[1][1] += dy;
dst->vec[2][1] += dy;
dst->f1 = bezt->f1;
dst->f2 = bezt->f2;
dst->f3 = bezt->f3;
/* TODO: perform some other operations? */
}
/* This function adds a given BezTriple to an F-Curve. It will allocate
* memory for the array if needed, and will insert the BezTriple into a
* suitable place in chronological order.
*
* NOTE: any recalculate of the F-Curve that needs to be done will need to
* be done by the caller.
*/
int insert_bezt_fcurve(FCurve *fcu, const BezTriple *bezt, eInsertKeyFlags flag)
{
int i = 0;
/* are there already keyframes? */
if (fcu->bezt) {
bool replace;
i = BKE_fcurve_bezt_binarysearch_index(fcu->bezt, bezt->vec[1][0], fcu->totvert, &replace);
/* replace an existing keyframe? */
if (replace) {
/* sanity check: 'i' may in rare cases exceed arraylen */
if ((i >= 0) && (i < fcu->totvert)) {
if (flag & INSERTKEY_OVERWRITE_FULL) {
fcu->bezt[i] = *bezt;
}
else {
replace_bezt_keyframe_ypos(&fcu->bezt[i], bezt);
}
if (flag & INSERTKEY_CYCLE_AWARE) {
/* If replacing an end point of a cyclic curve without offset,
* modify the other end too. */
if ((i == 0 || i == fcu->totvert - 1) &&
BKE_fcurve_get_cycle_type(fcu) == FCU_CYCLE_PERFECT) {
replace_bezt_keyframe_ypos(&fcu->bezt[i == 0 ? fcu->totvert - 1 : 0], bezt);
}
}
}
}
/* Keyframing modes allow not replacing the keyframe. */
else if ((flag & INSERTKEY_REPLACE) == 0) {
/* insert new - if we're not restricted to replacing keyframes only */
BezTriple *newb = MEM_callocN((fcu->totvert + 1) * sizeof(BezTriple), "beztriple");
/* Add the beztriples that should occur before the beztriple to be pasted
* (originally in fcu). */
if (i > 0) {
memcpy(newb, fcu->bezt, i * sizeof(BezTriple));
}
/* add beztriple to paste at index i */
*(newb + i) = *bezt;
/* add the beztriples that occur after the beztriple to be pasted (originally in fcu) */
if (i < fcu->totvert) {
memcpy(newb + i + 1, fcu->bezt + i, (fcu->totvert - i) * sizeof(BezTriple));
}
/* replace (+ free) old with new, only if necessary to do so */
MEM_freeN(fcu->bezt);
fcu->bezt = newb;
fcu->totvert++;
}
else {
return -1;
}
}
/* no keyframes already, but can only add if...
* 1) keyframing modes say that keyframes can only be replaced, so adding new ones won't know
* 2) there are no samples on the curve
* NOTE: maybe we may want to allow this later when doing samples -> bezt conversions,
* but for now, having both is asking for trouble
*/
else if ((flag & INSERTKEY_REPLACE) == 0 && (fcu->fpt == NULL)) {
/* create new keyframes array */
fcu->bezt = MEM_callocN(sizeof(BezTriple), "beztriple");
*(fcu->bezt) = *bezt;
fcu->totvert = 1;
}
/* cannot add anything */
else {
/* return error code -1 to prevent any misunderstandings */
return -1;
}
/* we need to return the index, so that some tools which do post-processing can
* detect where we added the BezTriple in the array
*/
return i;
}
/**
* Update the FCurve to allow insertion of `bezt` without modifying the curve shape.
*
* Checks whether it is necessary to apply Bezier subdivision due to involvement of non-auto
* handles. If necessary, changes `bezt` handles from Auto to Aligned.
*
* \param bezt: key being inserted
* \param prev: keyframe before that key
* \param next: keyframe after that key
*/
static void subdivide_nonauto_handles(const FCurve *fcu,
BezTriple *bezt,
BezTriple *prev,
BezTriple *next)
{
if (prev->ipo != BEZT_IPO_BEZ || bezt->ipo != BEZT_IPO_BEZ) {
return;
}
/* Don't change Vector handles, or completely auto regions. */
const bool bezt_auto = BEZT_IS_AUTOH(bezt) || (bezt->h1 == HD_VECT && bezt->h2 == HD_VECT);
const bool prev_auto = BEZT_IS_AUTOH(prev) || (prev->h2 == HD_VECT);
const bool next_auto = BEZT_IS_AUTOH(next) || (next->h1 == HD_VECT);
if (bezt_auto && prev_auto && next_auto) {
return;
}
/* Subdivide the curve. */
float delta;
if (!BKE_fcurve_bezt_subdivide_handles(bezt, prev, next, &delta)) {
return;
}
/* Decide when to force auto to manual. */
if (!BEZT_IS_AUTOH(bezt)) {
return;
}
if ((prev_auto || next_auto) && fcu->auto_smoothing == FCURVE_SMOOTH_CONT_ACCEL) {
const float hx = bezt->vec[1][0] - bezt->vec[0][0];
const float dx = bezt->vec[1][0] - prev->vec[1][0];
/* This mode always uses 1/3 of key distance for handle x size. */
const bool auto_works_well = fabsf(hx - dx / 3.0f) < 0.001f;
if (auto_works_well) {
return;
}
}
/* Turn off auto mode. */
bezt->h1 = bezt->h2 = HD_ALIGN;
}
/**
* This function is a wrapper for #insert_bezt_fcurve(), and should be used when
* adding a new keyframe to a curve, when the keyframe doesn't exist anywhere else yet.
* It returns the index at which the keyframe was added.
*
* \param keyframe_type: The type of keyframe (#eBezTriple_KeyframeType).
* \param flag: Optional flags (eInsertKeyFlags) for controlling how keys get added
* and/or whether updates get done.
*/
int insert_vert_fcurve(
FCurve *fcu, float x, float y, eBezTriple_KeyframeType keyframe_type, eInsertKeyFlags flag)
{
BezTriple beztr = {{{0}}};
uint oldTot = fcu->totvert;
int a;
/* set all three points, for nicer start position
* NOTE: +/- 1 on vec.x for left and right handles is so that 'free' handles work ok...
*/
beztr.vec[0][0] = x - 1.0f;
beztr.vec[0][1] = y;
beztr.vec[1][0] = x;
beztr.vec[1][1] = y;
beztr.vec[2][0] = x + 1.0f;
beztr.vec[2][1] = y;
beztr.f1 = beztr.f2 = beztr.f3 = SELECT;
/* set default handle types and interpolation mode */
if (flag & INSERTKEY_NO_USERPREF) {
/* for Py-API, we want scripts to have predictable behavior,
* hence the option to not depend on the userpref defaults
*/
beztr.h1 = beztr.h2 = HD_AUTO_ANIM;
beztr.ipo = BEZT_IPO_BEZ;
}
else {
/* for UI usage - defaults should come from the userprefs and/or toolsettings */
beztr.h1 = beztr.h2 = U.keyhandles_new; /* use default handle type here */
/* use default interpolation mode, with exceptions for int/discrete values */
beztr.ipo = U.ipo_new;
}
/* interpolation type used is constrained by the type of values the curve can take */
if (fcu->flag & FCURVE_DISCRETE_VALUES) {
beztr.ipo = BEZT_IPO_CONST;
}
else if ((beztr.ipo == BEZT_IPO_BEZ) && (fcu->flag & FCURVE_INT_VALUES)) {
beztr.ipo = BEZT_IPO_LIN;
}
/* set keyframe type value (supplied), which should come from the scene settings in most cases */
BEZKEYTYPE(&beztr) = keyframe_type;
/* set default values for "easing" interpolation mode settings
* NOTE: Even if these modes aren't currently used, if users switch
* to these later, we want these to work in a sane way out of
* the box.
*/
/* "back" easing - this value used to be used when overshoot=0, but that
* introduced discontinuities in how the param worked. */
beztr.back = 1.70158f;
/* "elastic" easing - values here were hand-optimized for a default duration of
* ~10 frames (typical mograph motion length) */
beztr.amplitude = 0.8f;
beztr.period = 4.1f;
/* add temp beztriple to keyframes */
a = insert_bezt_fcurve(fcu, &beztr, flag);
BKE_fcurve_active_keyframe_set(fcu, &fcu->bezt[a]);
/* what if 'a' is a negative index?
* for now, just exit to prevent any segfaults
*/
if (a < 0) {
return -1;
}
/* Set handle-type and interpolation. */
if ((fcu->totvert > 2) && (flag & INSERTKEY_REPLACE) == 0) {
BezTriple *bezt = (fcu->bezt + a);
/* Set interpolation from previous (if available),
* but only if we didn't just replace some keyframe:
* - Replacement is indicated by no-change in number of verts.
* - When replacing, the user may have specified some interpolation that should be kept.
*/
if (fcu->totvert > oldTot) {
if (a > 0) {
bezt->ipo = (bezt - 1)->ipo;
}
else if (a < fcu->totvert - 1) {
bezt->ipo = (bezt + 1)->ipo;
}
if (0 < a && a < (fcu->totvert - 1) && (flag & INSERTKEY_OVERWRITE_FULL) == 0) {
subdivide_nonauto_handles(fcu, bezt, bezt - 1, bezt + 1);
}
}
}
/* don't recalculate handles if fast is set
* - this is a hack to make importers faster
* - we may calculate twice (due to auto-handle needing to be calculated twice)
*/
if ((flag & INSERTKEY_FAST) == 0) {
calchandles_fcurve(fcu);
}
/* return the index at which the keyframe was added */
return a;
}
/* -------------- 'Smarter' Keyframing Functions -------------------- */
/* return codes for new_key_needed */
enum {
KEYNEEDED_DONTADD = 0,
KEYNEEDED_JUSTADD,
KEYNEEDED_DELPREV,
KEYNEEDED_DELNEXT,
} /*eKeyNeededStatus*/;
/* This helper function determines whether a new keyframe is needed */
/* Cases where keyframes should not be added:
* 1. Keyframe to be added between two keyframes with similar values
* 2. Keyframe to be added on frame where two keyframes are already situated
* 3. Keyframe lies at point that intersects the linear line between two keyframes
*/
static short new_key_needed(FCurve *fcu, float cFrame, float nValue)
{
/* safety checking */
if (fcu == NULL) {
return KEYNEEDED_JUSTADD;
}
int totCount = fcu->totvert;
if (totCount == 0) {
return KEYNEEDED_JUSTADD;
}
/* loop through checking if any are the same */
BezTriple *bezt = fcu->bezt;
BezTriple *prev = NULL;
for (int i = 0; i < totCount; i++) {
float prevPosi = 0.0f, prevVal = 0.0f;
float beztPosi = 0.0f, beztVal = 0.0f;
/* get current time+value */
beztPosi = bezt->vec[1][0];
beztVal = bezt->vec[1][1];
if (prev) {
/* there is a keyframe before the one currently being examined */
/* get previous time+value */
prevPosi = prev->vec[1][0];
prevVal = prev->vec[1][1];
/* keyframe to be added at point where there are already two similar points? */
if (IS_EQF(prevPosi, cFrame) && IS_EQF(beztPosi, cFrame) && IS_EQF(beztPosi, prevPosi)) {
return KEYNEEDED_DONTADD;
}
/* keyframe between prev+current points ? */
if ((prevPosi <= cFrame) && (cFrame <= beztPosi)) {
/* is the value of keyframe to be added the same as keyframes on either side ? */
if (IS_EQF(prevVal, nValue) && IS_EQF(beztVal, nValue) && IS_EQF(prevVal, beztVal)) {
return KEYNEEDED_DONTADD;
}
float realVal;
/* get real value of curve at that point */
realVal = evaluate_fcurve(fcu, cFrame);
/* compare whether it's the same as proposed */
if (IS_EQF(realVal, nValue)) {
return KEYNEEDED_DONTADD;
}
return KEYNEEDED_JUSTADD;
}
/* new keyframe before prev beztriple? */
if (cFrame < prevPosi) {
/* A new keyframe will be added. However, whether the previous beztriple
* stays around or not depends on whether the values of previous/current
* beztriples and new keyframe are the same.
*/
if (IS_EQF(prevVal, nValue) && IS_EQF(beztVal, nValue) && IS_EQF(prevVal, beztVal)) {
return KEYNEEDED_DELNEXT;
}
return KEYNEEDED_JUSTADD;
}
}
else {
/* just add a keyframe if there's only one keyframe
* and the new one occurs before the existing one does.
*/
if ((cFrame < beztPosi) && (totCount == 1)) {
return KEYNEEDED_JUSTADD;
}
}
/* continue. frame to do not yet passed (or other conditions not met) */
if (i < (totCount - 1)) {
prev = bezt;
bezt++;
}
else {
break;
}
}
/* Frame in which to add a new-keyframe occurs after all other keys
* -> If there are at least two existing keyframes, then if the values of the
* last two keyframes and the new-keyframe match, the last existing keyframe
* gets deleted as it is no longer required.
* -> Otherwise, a keyframe is just added. 1.0 is added so that fake-2nd-to-last
* keyframe is not equal to last keyframe.
*/
bezt = (fcu->bezt + (fcu->totvert - 1));
float valA = bezt->vec[1][1];
float valB;
if (prev) {
valB = prev->vec[1][1];
}
else {
valB = bezt->vec[1][1] + 1.0f;
}
if (IS_EQF(valA, nValue) && IS_EQF(valA, valB)) {
return KEYNEEDED_DELPREV;
}
return KEYNEEDED_JUSTADD;
}
/* ------------------ RNA Data-Access Functions ------------------ */
/* Try to read value using RNA-properties obtained already */
static float *setting_get_rna_values(
PointerRNA *ptr, PropertyRNA *prop, float *buffer, int buffer_size, int *r_count)
{
BLI_assert(buffer_size >= 1);
float *values = buffer;
if (RNA_property_array_check(prop)) {
int length = *r_count = RNA_property_array_length(ptr, prop);
bool *tmp_bool;
int *tmp_int;
if (length > buffer_size) {
values = MEM_malloc_arrayN(length, sizeof(float), __func__);
}
switch (RNA_property_type(prop)) {
case PROP_BOOLEAN:
tmp_bool = MEM_malloc_arrayN(length, sizeof(*tmp_bool), __func__);
RNA_property_boolean_get_array(ptr, prop, tmp_bool);
for (int i = 0; i < length; i++) {
values[i] = (float)tmp_bool[i];
}
MEM_freeN(tmp_bool);
break;
case PROP_INT:
tmp_int = MEM_malloc_arrayN(length, sizeof(*tmp_int), __func__);
RNA_property_int_get_array(ptr, prop, tmp_int);
for (int i = 0; i < length; i++) {
values[i] = (float)tmp_int[i];
}
MEM_freeN(tmp_int);
break;
case PROP_FLOAT:
RNA_property_float_get_array(ptr, prop, values);
break;
default:
memset(values, 0, sizeof(float) * length);
}
}
else {
*r_count = 1;
switch (RNA_property_type(prop)) {
case PROP_BOOLEAN:
*values = (float)RNA_property_boolean_get(ptr, prop);
break;
case PROP_INT:
*values = (float)RNA_property_int_get(ptr, prop);
break;
case PROP_FLOAT:
*values = RNA_property_float_get(ptr, prop);
break;
case PROP_ENUM:
*values = (float)RNA_property_enum_get(ptr, prop);
break;
default:
*values = 0.0f;
}
}
return values;
}
/* ------------------ 'Visual' Keyframing Functions ------------------ */
/* internal status codes for visualkey_can_use */
enum {
VISUALKEY_NONE = 0,
VISUALKEY_LOC,
VISUALKEY_ROT,
VISUALKEY_SCA,
};
/* This helper function determines if visual-keyframing should be used when
* inserting keyframes for the given channel. As visual-keyframing only works
* on Object and Pose-Channel blocks, this should only get called for those
* blocktypes, when using "standard" keying but 'Visual Keying' option in Auto-Keying
* settings is on.
*/
static bool visualkey_can_use(PointerRNA *ptr, PropertyRNA *prop)
{
bConstraint *con = NULL;
short searchtype = VISUALKEY_NONE;
bool has_rigidbody = false;
bool has_parent = false;
const char *identifier = NULL;
/* validate data */
if (ELEM(NULL, ptr, ptr->data, prop)) {
return false;
}
/* get first constraint and determine type of keyframe constraints to check for
* - constraints can be on either Objects or PoseChannels, so we only check if the
* ptr->type is RNA_Object or RNA_PoseBone, which are the RNA wrapping-info for
* those structs, allowing us to identify the owner of the data
*/
if (ptr->type == &RNA_Object) {
/* Object */
Object *ob = ptr->data;
RigidBodyOb *rbo = ob->rigidbody_object;
con = ob->constraints.first;
identifier = RNA_property_identifier(prop);
has_parent = (ob->parent != NULL);
/* active rigidbody objects only, as only those are affected by sim */
has_rigidbody = ((rbo) && (rbo->type == RBO_TYPE_ACTIVE));
}
else if (ptr->type == &RNA_PoseBone) {
/* Pose Channel */
bPoseChannel *pchan = ptr->data;
con = pchan->constraints.first;
identifier = RNA_property_identifier(prop);
has_parent = (pchan->parent != NULL);
}
/* check if any data to search using */
if (ELEM(NULL, con, identifier) && (has_parent == false) && (has_rigidbody == false)) {
return false;
}
/* location or rotation identifiers only... */
if (identifier == NULL) {
printf("%s failed: NULL identifier\n", __func__);
return false;
}
if (strstr(identifier, "location")) {
searchtype = VISUALKEY_LOC;
}
else if (strstr(identifier, "rotation")) {
searchtype = VISUALKEY_ROT;
}
else if (strstr(identifier, "scale")) {
searchtype = VISUALKEY_SCA;
}
else {
printf("%s failed: identifier - '%s'\n", __func__, identifier);
return false;
}
/* only search if a searchtype and initial constraint are available */
if (searchtype) {
/* parent or rigidbody are always matching */
if (has_parent || has_rigidbody) {
return true;
}
/* constraints */
for (; con; con = con->next) {
/* only consider constraint if it is not disabled, and has influence */
if (con->flag & CONSTRAINT_DISABLE) {
continue;
}
if (con->enforce == 0.0f) {
continue;
}
/* some constraints may alter these transforms */
switch (con->type) {
/* multi-transform constraints */
case CONSTRAINT_TYPE_CHILDOF:
case CONSTRAINT_TYPE_ARMATURE:
return true;
case CONSTRAINT_TYPE_TRANSFORM:
case CONSTRAINT_TYPE_TRANSLIKE:
return true;
case CONSTRAINT_TYPE_FOLLOWPATH:
return true;
case CONSTRAINT_TYPE_KINEMATIC:
return true;
/* Single-transform constraints. */
case CONSTRAINT_TYPE_TRACKTO:
if (searchtype == VISUALKEY_ROT) {
return true;
}
break;
case CONSTRAINT_TYPE_DAMPTRACK:
if (searchtype == VISUALKEY_ROT) {
return true;
}
break;
case CONSTRAINT_TYPE_ROTLIMIT:
if (searchtype == VISUALKEY_ROT) {
return true;
}
break;
case CONSTRAINT_TYPE_LOCLIMIT:
if (searchtype == VISUALKEY_LOC) {
return true;
}
break;
case CONSTRAINT_TYPE_SIZELIMIT:
if (searchtype == VISUALKEY_SCA) {
return true;
}
break;
case CONSTRAINT_TYPE_DISTLIMIT:
if (searchtype == VISUALKEY_LOC) {
return true;
}
break;
case CONSTRAINT_TYPE_ROTLIKE:
if (searchtype == VISUALKEY_ROT) {
return true;
}
break;
case CONSTRAINT_TYPE_LOCLIKE:
if (searchtype == VISUALKEY_LOC) {
return true;
}
break;
case CONSTRAINT_TYPE_SIZELIKE:
if (searchtype == VISUALKEY_SCA) {
return true;
}
break;
case CONSTRAINT_TYPE_LOCKTRACK:
if (searchtype == VISUALKEY_ROT) {
return true;
}
break;
case CONSTRAINT_TYPE_MINMAX:
if (searchtype == VISUALKEY_LOC) {
return true;
}
break;
default:
break;
}
}
}
/* when some condition is met, this function returns, so that means we've got nothing */
return false;
}
/* This helper function extracts the value to use for visual-keyframing
* In the event that it is not possible to perform visual keying, try to fall-back
* to using the default method. Assumes that all data it has been passed is valid.
*/
static float *visualkey_get_values(
PointerRNA *ptr, PropertyRNA *prop, float *buffer, int buffer_size, int *r_count)
{
BLI_assert(buffer_size >= 4);
const char *identifier = RNA_property_identifier(prop);
float tmat[4][4];
int rotmode;
/* handle for Objects or PoseChannels only
* - only Location, Rotation or Scale keyframes are supported currently
* - constraints can be on either Objects or PoseChannels, so we only check if the
* ptr->type is RNA_Object or RNA_PoseBone, which are the RNA wrapping-info for
* those structs, allowing us to identify the owner of the data
* - assume that array_index will be sane
*/
if (ptr->type == &RNA_Object) {
Object *ob = ptr->data;
/* Loc code is specific... */
if (strstr(identifier, "location")) {
copy_v3_v3(buffer, ob->obmat[3]);
*r_count = 3;
return buffer;
}
copy_m4_m4(tmat, ob->obmat);
rotmode = ob->rotmode;
}
else if (ptr->type == &RNA_PoseBone) {
bPoseChannel *pchan = ptr->data;
BKE_armature_mat_pose_to_bone(pchan, pchan->pose_mat, tmat);
rotmode = pchan->rotmode;
/* Loc code is specific... */
if (strstr(identifier, "location")) {
/* only use for non-connected bones */
if ((pchan->bone->parent == NULL) || !(pchan->bone->flag & BONE_CONNECTED)) {
copy_v3_v3(buffer, tmat[3]);
*r_count = 3;
return buffer;
}
}
}
else {
return setting_get_rna_values(ptr, prop, buffer, buffer_size, r_count);
}
/* Rot/Scale code are common! */
if (strstr(identifier, "rotation_euler")) {
mat4_to_eulO(buffer, rotmode, tmat);
*r_count = 3;
return buffer;
}
if (strstr(identifier, "rotation_quaternion")) {
float mat3[3][3];
copy_m3_m4(mat3, tmat);
mat3_to_quat_is_ok(buffer, mat3);
*r_count = 4;
return buffer;
}
if (strstr(identifier, "rotation_axis_angle")) {
/* w = 0, x,y,z = 1,2,3 */
mat4_to_axis_angle(buffer + 1, buffer, tmat);
*r_count = 4;
return buffer;
}
if (strstr(identifier, "scale")) {
mat4_to_size(buffer, tmat);
*r_count = 3;
return buffer;
}
/* as the function hasn't returned yet, read value from system in the default way */
return setting_get_rna_values(ptr, prop, buffer, buffer_size, r_count);
}
/* ------------------------- Insert Key API ------------------------- */
/**
* Retrieve current property values to keyframe,
* possibly applying NLA correction when necessary.
*/
static float *get_keyframe_values(ReportList *reports,
PointerRNA ptr,
PropertyRNA *prop,
int index,
struct NlaKeyframingContext *nla_context,
eInsertKeyFlags flag,
float *buffer,
int buffer_size,
int *r_count,
bool *r_force_all)
{
float *values;
if ((flag & INSERTKEY_MATRIX) && (visualkey_can_use(&ptr, prop))) {
/* visual-keying is only available for object and pchan datablocks, as
* it works by keyframing using a value extracted from the final matrix
* instead of using the kt system to extract a value.
*/
values = visualkey_get_values(&ptr, prop, buffer, buffer_size, r_count);
}
else {
/* read value from system */
values = setting_get_rna_values(&ptr, prop, buffer, buffer_size, r_count);
}
/* adjust the value for NLA factors */
if (!BKE_animsys_nla_remap_keyframe_values(
nla_context, &ptr, prop, values, *r_count, index, r_force_all)) {
BKE_report(
reports, RPT_ERROR, "Could not insert keyframe due to zero NLA influence or base value");
if (values != buffer) {
MEM_freeN(values);
}
return NULL;
}
return values;
}
/* Insert the specified keyframe value into a single F-Curve. */
static bool insert_keyframe_value(ReportList *reports,
PointerRNA *ptr,
PropertyRNA *prop,
FCurve *fcu,
const AnimationEvalContext *anim_eval_context,
float curval,
eBezTriple_KeyframeType keytype,
eInsertKeyFlags flag)
{
/* F-Curve not editable? */
if (BKE_fcurve_is_keyframable(fcu) == 0) {
BKE_reportf(
reports,
RPT_ERROR,
"F-Curve with path '%s[%d]' cannot be keyframed, ensure that it is not locked or sampled, "
"and try removing F-Modifiers",
fcu->rna_path,
fcu->array_index);
return false;
}
float cfra = anim_eval_context->eval_time;
/* adjust frame on which to add keyframe */
if ((flag & INSERTKEY_DRIVER) && (fcu->driver)) {
PathResolvedRNA anim_rna;
if (RNA_path_resolved_create(ptr, prop, fcu->array_index, &anim_rna)) {
/* for making it easier to add corrective drivers... */
cfra = evaluate_driver(&anim_rna, fcu->driver, fcu->driver, anim_eval_context);
}
else {
cfra = 0.0f;
}
}
/* adjust coordinates for cycle aware insertion */
if (flag & INSERTKEY_CYCLE_AWARE) {
if (remap_cyclic_keyframe_location(fcu, &cfra, &curval) != FCU_CYCLE_PERFECT) {
/* inhibit action from insert_vert_fcurve unless it's a perfect cycle */
flag &= ~INSERTKEY_CYCLE_AWARE;
}
}
/* only insert keyframes where they are needed */
if (flag & INSERTKEY_NEEDED) {
short insert_mode;
/* check whether this curve really needs a new keyframe */
insert_mode = new_key_needed(fcu, cfra, curval);
/* only return success if keyframe added */
if (insert_mode == KEYNEEDED_DONTADD) {
return false;
}
/* insert new keyframe at current frame */
if (insert_vert_fcurve(fcu, cfra, curval, keytype, flag) < 0) {
return false;
}
/* delete keyframe immediately before/after newly added */
switch (insert_mode) {
case KEYNEEDED_DELPREV:
delete_fcurve_key(fcu, fcu->totvert - 2, 1);
break;
case KEYNEEDED_DELNEXT:
delete_fcurve_key(fcu, 1, 1);
break;
}
return true;
}
/* just insert keyframe */
return insert_vert_fcurve(fcu, cfra, curval, keytype, flag) >= 0;
}
/* Secondary Keyframing API call:
* Use this when validation of necessary animation data is not necessary,
* since an RNA-pointer to the necessary data being keyframed,
* and a pointer to the F-Curve to use have both been provided.
*
* This function can't keyframe quaternion channels on some NLA strip types.
*
* keytype is the "keyframe type" (eBezTriple_KeyframeType), as shown in the Dope Sheet.
*
* The flag argument is used for special settings that alter the behavior of
* the keyframe insertion. These include the 'visual' keyframing modes, quick refresh,
* and extra keyframe filtering.
*/
bool insert_keyframe_direct(ReportList *reports,
PointerRNA ptr,
PropertyRNA *prop,
FCurve *fcu,
const AnimationEvalContext *anim_eval_context,
eBezTriple_KeyframeType keytype,
struct NlaKeyframingContext *nla_context,
eInsertKeyFlags flag)
{
float curval = 0.0f;
/* no F-Curve to add keyframe to? */
if (fcu == NULL) {
BKE_report(reports, RPT_ERROR, "No F-Curve to add keyframes to");
return false;
}
/* if no property given yet, try to validate from F-Curve info */
if ((ptr.owner_id == NULL) && (ptr.data == NULL)) {
BKE_report(
reports, RPT_ERROR, "No RNA pointer available to retrieve values for keyframing from");
return false;
}
if (prop == NULL) {
PointerRNA tmp_ptr;
/* try to get property we should be affecting */
if (RNA_path_resolve_property(&ptr, fcu->rna_path, &tmp_ptr, &prop) == false) {
/* property not found... */
const char *idname = (ptr.owner_id) ? ptr.owner_id->name : TIP_("<No ID pointer>");
BKE_reportf(reports,
RPT_ERROR,
"Could not insert keyframe, as RNA path is invalid for the given ID (ID = %s, "
"path = %s)",
idname,
fcu->rna_path);
return false;
}
/* property found, so overwrite 'ptr' to make later code easier */
ptr = tmp_ptr;
}
/* update F-Curve flags to ensure proper behavior for property type */
update_autoflags_fcurve_direct(fcu, prop);
/* Obtain the value to insert. */
float value_buffer[RNA_MAX_ARRAY_LENGTH];
int value_count;
int index = fcu->array_index;
float *values = get_keyframe_values(reports,
ptr,
prop,
index,
nla_context,
flag,
value_buffer,
RNA_MAX_ARRAY_LENGTH,
&value_count,
NULL);
if (values == NULL) {
/* This happens if NLA rejects this insertion. */
return false;
}
if (index >= 0 && index < value_count) {
curval = values[index];
}
if (values != value_buffer) {
MEM_freeN(values);
}
return insert_keyframe_value(reports, &ptr, prop, fcu, anim_eval_context, curval, keytype, flag);
}
/* Find or create the FCurve based on the given path, and insert the specified value into it. */
static bool insert_keyframe_fcurve_value(Main *bmain,
ReportList *reports,
PointerRNA *ptr,
PropertyRNA *prop,
bAction *act,
const char group[],
const char rna_path[],
int array_index,
const AnimationEvalContext *anim_eval_context,
float curval,
eBezTriple_KeyframeType keytype,
eInsertKeyFlags flag)
{
/* make sure the F-Curve exists
* - if we're replacing keyframes only, DO NOT create new F-Curves if they do not exist yet
* but still try to get the F-Curve if it exists...
*/
bool can_create_curve = (flag & (INSERTKEY_REPLACE | INSERTKEY_AVAILABLE)) == 0;
FCurve *fcu = can_create_curve ?
ED_action_fcurve_ensure(bmain, act, group, ptr, rna_path, array_index) :
ED_action_fcurve_find(act, rna_path, array_index);
/* we may not have a F-Curve when we're replacing only... */
if (fcu) {
/* set color mode if the F-Curve is new (i.e. without any keyframes) */
if ((fcu->totvert == 0) && (flag & INSERTKEY_XYZ2RGB)) {
/* for Loc/Rot/Scale and also Color F-Curves, the color of the F-Curve in the Graph Editor,
* is determined by the array index for the F-Curve
*/
PropertySubType prop_subtype = RNA_property_subtype(prop);
if (ELEM(prop_subtype, PROP_TRANSLATION, PROP_XYZ, PROP_EULER, PROP_COLOR, PROP_COORDS)) {
fcu->color_mode = FCURVE_COLOR_AUTO_RGB;
}
else if (ELEM(prop_subtype, PROP_QUATERNION)) {
fcu->color_mode = FCURVE_COLOR_AUTO_YRGB;
}
}
/* update F-Curve flags to ensure proper behavior for property type */
update_autoflags_fcurve_direct(fcu, prop);
/* insert keyframe */
return insert_keyframe_value(
reports, ptr, prop, fcu, anim_eval_context, curval, keytype, flag);
}
return false;
}
static AnimationEvalContext nla_time_remap(const AnimationEvalContext *anim_eval_context,
PointerRNA *id_ptr,
AnimData *adt,
bAction *act,
ListBase *nla_cache,
NlaKeyframingContext **r_nla_context)
{
if (adt && adt->action == act) {
/* Get NLA context for value remapping. */
*r_nla_context = BKE_animsys_get_nla_keyframing_context(
nla_cache, id_ptr, adt, anim_eval_context);
/* Apply NLA-mapping to frame. */
const float remapped_frame = BKE_nla_tweakedit_remap(
adt, anim_eval_context->eval_time, NLATIME_CONVERT_UNMAP);
return BKE_animsys_eval_context_construct_at(anim_eval_context, remapped_frame);
}
*r_nla_context = NULL;
return *anim_eval_context;
}
/**
* Main Keyframing API call
*
* Use this when validation of necessary animation data is necessary, since it may not exist yet.
*
* The flag argument is used for special settings that alter the behavior of
* the keyframe insertion. These include the 'visual' keyframing modes, quick refresh,
* and extra keyframe filtering.
*
* index of -1 keys all array indices
*
* \return The number of key-frames inserted.
*/
int insert_keyframe(Main *bmain,
ReportList *reports,
ID *id,
bAction *act,
const char group[],
const char rna_path[],
int array_index,
const AnimationEvalContext *anim_eval_context,
eBezTriple_KeyframeType keytype,
ListBase *nla_cache,
eInsertKeyFlags flag)
{
PointerRNA id_ptr, ptr;
PropertyRNA *prop = NULL;
AnimData *adt;
ListBase tmp_nla_cache = {NULL, NULL};
NlaKeyframingContext *nla_context = NULL;
int ret = 0;
/* validate pointer first - exit if failure */
if (id == NULL) {
BKE_reportf(reports, RPT_ERROR, "No ID block to insert keyframe in (path = %s)", rna_path);
return 0;
}
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 insert keyframe, as RNA path is invalid for the given ID (ID = %s, path = %s)",
(id) ? id->name : TIP_("<Missing ID block>"),
rna_path);
return 0;
}
/* if no action is provided, keyframe to the default one attached to this ID-block */
if (act == NULL) {
/* get action to add F-Curve+keyframe to */
act = ED_id_action_ensure(bmain, id);
if (act == NULL) {
BKE_reportf(reports,
RPT_ERROR,
"Could not insert keyframe, as this type does not support animation data (ID = "
"%s, path = %s)",
id->name,
rna_path);
return 0;
}
}
/* apply NLA-mapping to frame to use (if applicable) */
adt = BKE_animdata_from_id(id);
const AnimationEvalContext remapped_context = nla_time_remap(
anim_eval_context, &id_ptr, adt, act, nla_cache ? nla_cache : &tmp_nla_cache, &nla_context);
/* Obtain values to insert. */
float value_buffer[RNA_MAX_ARRAY_LENGTH];
int value_count;
bool force_all;
float *values = get_keyframe_values(reports,
ptr,
prop,
array_index,
nla_context,
flag,
value_buffer,
RNA_MAX_ARRAY_LENGTH,
&value_count,
&force_all);
if (values != NULL) {
/* Key the entire array. */
if (array_index == -1 || force_all) {
/* In force mode, if any of the curves succeeds, drop the replace mode and restart. */
if (force_all && (flag & (INSERTKEY_REPLACE | INSERTKEY_AVAILABLE)) != 0) {
int exclude = -1;
for (array_index = 0; array_index < value_count; array_index++) {
if (insert_keyframe_fcurve_value(bmain,
reports,
&ptr,
prop,
act,
group,
rna_path,
array_index,
&remapped_context,
values[array_index],
keytype,
flag)) {
ret++;
exclude = array_index;
break;
}
}
if (exclude != -1) {
flag &= ~(INSERTKEY_REPLACE | INSERTKEY_AVAILABLE);
for (array_index = 0; array_index < value_count; array_index++) {
if (array_index != exclude) {
ret += insert_keyframe_fcurve_value(bmain,
reports,
&ptr,
prop,
act,
group,
rna_path,
array_index,
&remapped_context,
values[array_index],
keytype,
flag);
}
}
}
}
/* Simply insert all channels. */
else {
for (array_index = 0; array_index < value_count; array_index++) {
ret += insert_keyframe_fcurve_value(bmain,
reports,
&ptr,
prop,
act,
group,
rna_path,
array_index,
&remapped_context,
values[array_index],
keytype,
flag);
}
}
}
/* Key a single index. */
else {
if (array_index >= 0 && array_index < value_count) {
ret += insert_keyframe_fcurve_value(bmain,
reports,
&ptr,
prop,
act,
group,
rna_path,
array_index,
&remapped_context,
values[array_index],
keytype,
flag);
}
}
if (values != value_buffer) {
MEM_freeN(values);
}
}
BKE_animsys_free_nla_keyframing_context_cache(&tmp_nla_cache);
if (ret) {
if (act != NULL) {
DEG_id_tag_update(&act->id, ID_RECALC_ANIMATION_NO_FLUSH);
}
if (adt != NULL && adt->action != NULL && adt->action != act) {
DEG_id_tag_update(&adt->action->id, ID_RECALC_ANIMATION_NO_FLUSH);
}
}
return ret;
}
/* ************************************************** */
/* KEYFRAME DELETION */
/* Main Keyframing API call:
* Use this when validation of necessary animation data isn't necessary as it
* already exists. It will delete a keyframe at the current frame.
*
* The flag argument is used for special settings that alter the behavior of
* the keyframe deletion. These include the quick refresh options.
*/
/**
* \note caller needs to run #BKE_nla_tweakedit_remap to get NLA relative frame.
* caller should also check #BKE_fcurve_is_protected before keying.
*/
static bool delete_keyframe_fcurve(AnimData *adt, FCurve *fcu, float cfra)
{
bool found;
int i;
/* try to find index of beztriple to get rid of */
i = BKE_fcurve_bezt_binarysearch_index(fcu->bezt, cfra, fcu->totvert, &found);
if (found) {
/* delete the key at the index (will sanity check + do recalc afterwards) */
delete_fcurve_key(fcu, i, 1);
/* Only delete curve too if it won't be doing anything anymore */
if (BKE_fcurve_is_empty(fcu)) {
ANIM_fcurve_delete_from_animdata(NULL, adt, fcu);
}
/* return success */
return true;
}
return false;
}
static void deg_tag_after_keyframe_delete(Main *bmain, ID *id, AnimData *adt)
{
if (adt->action == NULL) {
/* In the case last f-curve was removed need to inform dependency graph
* about relations update, since it needs to get rid of animation operation
* for this data-block. */
DEG_id_tag_update_ex(bmain, id, ID_RECALC_ANIMATION_NO_FLUSH);
DEG_relations_tag_update(bmain);
}
else {
DEG_id_tag_update_ex(bmain, &adt->action->id, ID_RECALC_ANIMATION_NO_FLUSH);
}
}
/**
* \return The number of key-frames deleted.
*/
int delete_keyframe(Main *bmain,
ReportList *reports,
ID *id,
bAction *act,
const char rna_path[],
int array_index,
float cfra)
{
AnimData *adt = BKE_animdata_from_id(id);
PointerRNA id_ptr, ptr;
PropertyRNA *prop;
int array_index_max = array_index + 1;
int ret = 0;
/* sanity checks */
if (ELEM(NULL, id, adt)) {
BKE_report(reports, RPT_ERROR, "No ID block and/or AnimData to delete keyframe from");
return 0;
}
/* 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 delete keyframe, as RNA path is invalid for the given ID (ID = %s, path = %s)",
id->name,
rna_path);
return 0;
}
/* get F-Curve
* NOTE: here is one of the places where we don't want new Action + F-Curve added!
* so 'add' var must be 0
*/
if (act == NULL) {
/* if no action is provided, use the default one attached to this ID-block
* - if it doesn't exist, then we're out of options...
*/
if (adt->action) {
act = adt->action;
/* apply NLA-mapping to frame to use (if applicable) */
cfra = BKE_nla_tweakedit_remap(adt, cfra, NLATIME_CONVERT_UNMAP);
}
else {
BKE_reportf(reports, RPT_ERROR, "No action to delete keyframes from for ID = %s", id->name);
return 0;
}
}
/* key entire array convenience method */
if (array_index == -1) {
array_index = 0;
array_index_max = RNA_property_array_length(&ptr, prop);
/* for single properties, increase max_index so that the property itself gets included,
* but don't do this for standard arrays since that can cause corruption issues
* (extra unused curves)
*/
if (array_index_max == array_index) {
array_index_max++;
}
}
/* will only loop once unless the array index was -1 */
for (; array_index < array_index_max; array_index++) {
FCurve *fcu = ED_action_fcurve_find(act, rna_path, array_index);
/* check if F-Curve exists and/or whether it can be edited */
if (fcu == NULL) {
continue;
}
if (BKE_fcurve_is_protected(fcu)) {
BKE_reportf(reports,
RPT_WARNING,
"Not deleting keyframe for locked F-Curve '%s' for %s '%s'",
fcu->rna_path,
BKE_idtype_idcode_to_name(GS(id->name)),
id->name + 2);
continue;
}
ret += delete_keyframe_fcurve(adt, fcu, cfra);
}
if (ret) {
deg_tag_after_keyframe_delete(bmain, id, adt);
}
/* return success/failure */
return ret;
}
/* ************************************************** */
/* KEYFRAME CLEAR */
/**
* Main Keyframing API call:
* Use this when validation of necessary animation data isn't necessary as it
* already exists. It will clear the current buttons fcurve(s).
*
* The flag argument is used for special settings that alter the behavior of
* the keyframe deletion. These include the quick refresh options.
*
* \return The number of f-curves removed.
*/
static int clear_keyframe(Main *bmain,
ReportList *reports,
ID *id,
bAction *act,
const char rna_path[],
int array_index,
eInsertKeyFlags UNUSED(flag))
{
AnimData *adt = BKE_animdata_from_id(id);
PointerRNA id_ptr, ptr;
PropertyRNA *prop;
int array_index_max = array_index + 1;
int ret = 0;
/* sanity checks */
if (ELEM(NULL, id, adt)) {
BKE_report(reports, RPT_ERROR, "No ID block and/or AnimData to delete keyframe from");
return 0;
}
/* 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 clear keyframe, as RNA path is invalid for the given ID (ID = %s, path = %s)",
id->name,
rna_path);
return 0;
}
/* get F-Curve
* NOTE: here is one of the places where we don't want new Action + F-Curve added!
* so 'add' var must be 0
*/
if (act == NULL) {
/* if no action is provided, use the default one attached to this ID-block
* - if it doesn't exist, then we're out of options...
*/
if (adt->action) {
act = adt->action;
}
else {
BKE_reportf(reports, RPT_ERROR, "No action to delete keyframes from for ID = %s", id->name);
return 0;
}
}
/* key entire array convenience method */
if (array_index == -1) {
array_index = 0;
array_index_max = RNA_property_array_length(&ptr, prop);
/* for single properties, increase max_index so that the property itself gets included,
* but don't do this for standard arrays since that can cause corruption issues
* (extra unused curves)
*/
if (array_index_max == array_index) {
array_index_max++;
}
}
/* will only loop once unless the array index was -1 */
for (; array_index < array_index_max; array_index++) {
FCurve *fcu = ED_action_fcurve_find(act, rna_path, array_index);
/* check if F-Curve exists and/or whether it can be edited */
if (fcu == NULL) {
continue;
}
if (BKE_fcurve_is_protected(fcu)) {
BKE_reportf(reports,
RPT_WARNING,
"Not clearing all keyframes from locked F-Curve '%s' for %s '%s'",
fcu->rna_path,
BKE_idtype_idcode_to_name(GS(id->name)),
id->name + 2);
continue;
}
ANIM_fcurve_delete_from_animdata(NULL, adt, fcu);
/* return success */
ret++;
}
if (ret) {
deg_tag_after_keyframe_delete(bmain, id, adt);
}
/* return success/failure */
return ret;
}
/* ******************************************* */
/* KEYFRAME MODIFICATION */
/* mode for commonkey_modifykey */
enum {
COMMONKEY_MODE_INSERT = 0,
COMMONKEY_MODE_DELETE,
} /*eCommonModifyKey_Modes*/;
/* Polling callback for use with ANIM_*_keyframe() operators
* This is based on the standard ED_operator_areaactive callback,
* except that it does special checks for a few spacetypes too...
*/
static bool modify_key_op_poll(bContext *C)
{
ScrArea *area = CTX_wm_area(C);
Scene *scene = CTX_data_scene(C);
/* if no area or active scene */
if (ELEM(NULL, area, scene)) {
return false;
}
/* should be fine */
return true;
}
/* Insert Key Operator ------------------------ */
static int insert_key_exec(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
Object *obedit = CTX_data_edit_object(C);
bool ob_edit_mode = false;
float cfra = (float)CFRA; /* XXX for now, don't bother about all the yucky offset crap */
int num_channels;
const bool confirm = op->flag & OP_IS_INVOKE;
KeyingSet *ks = keyingset_get_from_op_with_error(op, op->type->prop, scene);
if (ks == NULL) {
return OPERATOR_CANCELLED;
}
/* exit the edit mode to make sure that those object data properties that have been
* updated since the last switching to the edit mode will be keyframed correctly
*/
if (obedit && ANIM_keyingset_find_id(ks, (ID *)obedit->data)) {
ED_object_mode_set(C, OB_MODE_OBJECT);
ob_edit_mode = true;
}
/* try to insert keyframes for the channels specified by KeyingSet */
num_channels = ANIM_apply_keyingset(C, NULL, NULL, ks, MODIFYKEY_MODE_INSERT, cfra);
if (G.debug & G_DEBUG) {
BKE_reportf(op->reports,
RPT_INFO,
"Keying set '%s' - successfully added %d keyframes",
ks->name,
num_channels);
}
/* restore the edit mode if necessary */
if (ob_edit_mode) {
ED_object_mode_set(C, OB_MODE_EDIT);
}
/* report failure or do updates? */
if (num_channels < 0) {
BKE_report(op->reports, RPT_ERROR, "No suitable context info for active keying set");
return OPERATOR_CANCELLED;
}
if (num_channels > 0) {
/* send notifiers that keyframes have been changed */
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_ADDED, NULL);
}
if (confirm) {
/* if called by invoke (from the UI), make a note that we've inserted keyframes */
if (num_channels > 0) {
BKE_reportf(op->reports,
RPT_INFO,
"Successfully added %d keyframes for keying set '%s'",
num_channels,
ks->name);
}
else {
BKE_report(op->reports, RPT_WARNING, "Keying set failed to insert any keyframes");
}
}
return OPERATOR_FINISHED;
}
void ANIM_OT_keyframe_insert(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Insert Keyframe";
ot->idname = "ANIM_OT_keyframe_insert";
ot->description =
"Insert keyframes on the current frame for all properties in the specified Keying Set";
/* callbacks */
ot->exec = insert_key_exec;
ot->poll = modify_key_op_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* keyingset to use (dynamic enum) */
prop = RNA_def_enum(
ot->srna, "type", DummyRNA_DEFAULT_items, 0, "Keying Set", "The Keying Set to use");
RNA_def_enum_funcs(prop, ANIM_keying_sets_enum_itemf);
RNA_def_property_flag(prop, PROP_HIDDEN);
ot->prop = prop;
}
/* Clone of 'ANIM_OT_keyframe_insert' which uses a name for the keying set instead of an enum. */
void ANIM_OT_keyframe_insert_by_name(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Insert Keyframe (by name)";
ot->idname = "ANIM_OT_keyframe_insert_by_name";
ot->description = "Alternate access to 'Insert Keyframe' for keymaps to use";
/* callbacks */
ot->exec = insert_key_exec;
ot->poll = modify_key_op_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* keyingset to use (idname) */
prop = RNA_def_string_file_path(ot->srna, "type", "Type", MAX_ID_NAME - 2, "", "");
RNA_def_property_flag(prop, PROP_HIDDEN);
ot->prop = prop;
}
/* Insert Key Operator (With Menu) ------------------------ */
/* This operator checks if a menu should be shown for choosing the KeyingSet to use,
* then calls the menu if necessary before
*/
static int insert_key_menu_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
Scene *scene = CTX_data_scene(C);
/* if prompting or no active Keying Set, show the menu */
if ((scene->active_keyingset == 0) || RNA_boolean_get(op->ptr, "always_prompt")) {
uiPopupMenu *pup;
uiLayout *layout;
/* call the menu, which will call this operator again, hence the canceled */
pup = UI_popup_menu_begin(C, WM_operatortype_name(op->type, op->ptr), ICON_NONE);
layout = UI_popup_menu_layout(pup);
uiItemsEnumO(layout, "ANIM_OT_keyframe_insert_menu", "type");
UI_popup_menu_end(C, pup);
return OPERATOR_INTERFACE;
}
/* just call the exec() on the active keyingset */
RNA_enum_set(op->ptr, "type", 0);
return op->type->exec(C, op);
}
void ANIM_OT_keyframe_insert_menu(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Insert Keyframe Menu";
ot->idname = "ANIM_OT_keyframe_insert_menu";
ot->description =
"Insert Keyframes for specified Keying Set, with menu of available Keying Sets if undefined";
/* callbacks */
ot->invoke = insert_key_menu_invoke;
ot->exec = insert_key_exec;
ot->poll = ED_operator_areaactive;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* keyingset to use (dynamic enum) */
prop = RNA_def_enum(
ot->srna, "type", DummyRNA_DEFAULT_items, 0, "Keying Set", "The Keying Set to use");
RNA_def_enum_funcs(prop, ANIM_keying_sets_enum_itemf);
RNA_def_property_flag(prop, PROP_HIDDEN);
ot->prop = prop;
/* whether the menu should always be shown
* - by default, the menu should only be shown when there is no active Keying Set (2.5 behavior),
* although in some cases it might be useful to always shown (pre 2.5 behavior)
*/
prop = RNA_def_boolean(ot->srna, "always_prompt", 0, "Always Show Menu", "");
RNA_def_property_flag(prop, PROP_HIDDEN);
}
/* Delete Key Operator ------------------------ */
static int delete_key_exec(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
KeyingSet *ks = keyingset_get_from_op_with_error(op, op->type->prop, scene);
if (ks == NULL) {
return OPERATOR_CANCELLED;
}
return delete_key_using_keying_set(C, op, ks);
}
static int delete_key_using_keying_set(bContext *C, wmOperator *op, KeyingSet *ks)
{
Scene *scene = CTX_data_scene(C);
float cfra = (float)CFRA; /* XXX for now, don't bother about all the yucky offset crap */
int num_channels;
const bool confirm = op->flag & OP_IS_INVOKE;
/* try to delete keyframes for the channels specified by KeyingSet */
num_channels = ANIM_apply_keyingset(C, NULL, NULL, ks, MODIFYKEY_MODE_DELETE, cfra);
if (G.debug & G_DEBUG) {
printf("KeyingSet '%s' - Successfully removed %d Keyframes\n", ks->name, num_channels);
}
/* report failure or do updates? */
if (num_channels < 0) {
BKE_report(op->reports, RPT_ERROR, "No suitable context info for active keying set");
return OPERATOR_CANCELLED;
}
if (num_channels > 0) {
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_REMOVED, NULL);
}
if (confirm) {
/* if called by invoke (from the UI), make a note that we've removed keyframes */
if (num_channels > 0) {
BKE_reportf(op->reports,
RPT_INFO,
"Successfully removed %d keyframes for keying set '%s'",
num_channels,
ks->name);
}
else {
BKE_report(op->reports, RPT_WARNING, "Keying set failed to remove any keyframes");
}
}
return OPERATOR_FINISHED;
}
void ANIM_OT_keyframe_delete(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Delete Keying-Set Keyframe";
ot->idname = "ANIM_OT_keyframe_delete";
ot->description =
"Delete keyframes on the current frame for all properties in the specified Keying Set";
/* callbacks */
ot->exec = delete_key_exec;
ot->poll = modify_key_op_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* keyingset to use (dynamic enum) */
prop = RNA_def_enum(
ot->srna, "type", DummyRNA_DEFAULT_items, 0, "Keying Set", "The Keying Set to use");
RNA_def_enum_funcs(prop, ANIM_keying_sets_enum_itemf);
RNA_def_property_flag(prop, PROP_HIDDEN);
ot->prop = prop;
}
void ANIM_OT_keyframe_delete_by_name(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Delete Keying-Set Keyframe (by name)";
ot->idname = "ANIM_OT_keyframe_delete_by_name";
ot->description = "Alternate access to 'Delete Keyframe' for keymaps to use";
/* callbacks */
ot->exec = delete_key_exec;
ot->poll = modify_key_op_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* keyingset to use (idname) */
prop = RNA_def_string_file_path(ot->srna, "type", "Type", MAX_ID_NAME - 2, "", "");
RNA_def_property_flag(prop, PROP_HIDDEN);
ot->prop = prop;
}
/* Delete Key Operator ------------------------ */
/* NOTE: Although this version is simpler than the more generic version for KeyingSets,
* it is more useful for animators working in the 3D view.
*/
static int clear_anim_v3d_exec(bContext *C, wmOperator *UNUSED(op))
{
bool changed = false;
CTX_DATA_BEGIN (C, Object *, ob, selected_objects) {
/* just those in active action... */
if ((ob->adt) && (ob->adt->action)) {
AnimData *adt = ob->adt;
bAction *act = adt->action;
FCurve *fcu, *fcn;
for (fcu = act->curves.first; fcu; fcu = fcn) {
bool can_delete = false;
fcn = fcu->next;
/* in pose mode, only delete the F-Curve if it belongs to a selected bone */
if (ob->mode & OB_MODE_POSE) {
if (fcu->rna_path) {
/* Get bone-name, and check if this bone is selected. */
bPoseChannel *pchan = NULL;
char bone_name[sizeof(pchan->name)];
if (BLI_str_quoted_substr(
fcu->rna_path, "pose.bones[", bone_name, sizeof(bone_name))) {
pchan = BKE_pose_channel_find_name(ob->pose, bone_name);
/* Delete if bone is selected. */
if ((pchan) && (pchan->bone)) {
if (pchan->bone->flag & BONE_SELECTED) {
can_delete = true;
}
}
}
}
}
else {
/* object mode - all of Object's F-Curves are affected */
can_delete = true;
}
/* delete F-Curve completely */
if (can_delete) {
ANIM_fcurve_delete_from_animdata(NULL, adt, fcu);
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
changed = true;
}
}
/* Delete the action itself if it is empty. */
if (ANIM_remove_empty_action_from_animdata(adt)) {
changed = true;
}
}
}
CTX_DATA_END;
if (!changed) {
return OPERATOR_CANCELLED;
}
/* send updates */
WM_event_add_notifier(C, NC_OBJECT | ND_KEYS, NULL);
return OPERATOR_FINISHED;
}
void ANIM_OT_keyframe_clear_v3d(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Remove Animation";
ot->description = "Remove all keyframe animation for selected objects";
ot->idname = "ANIM_OT_keyframe_clear_v3d";
/* callbacks */
ot->invoke = WM_operator_confirm;
ot->exec = clear_anim_v3d_exec;
ot->poll = ED_operator_areaactive;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
static int delete_key_v3d_without_keying_set(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
float cfra = (float)CFRA;
int selected_objects_len = 0;
int selected_objects_success_len = 0;
int success_multi = 0;
const bool confirm = op->flag & OP_IS_INVOKE;
CTX_DATA_BEGIN (C, Object *, ob, selected_objects) {
ID *id = &ob->id;
int success = 0;
selected_objects_len += 1;
/* just those in active action... */
if ((ob->adt) && (ob->adt->action)) {
AnimData *adt = ob->adt;
bAction *act = adt->action;
FCurve *fcu, *fcn;
const float cfra_unmap = BKE_nla_tweakedit_remap(adt, cfra, NLATIME_CONVERT_UNMAP);
for (fcu = act->curves.first; fcu; fcu = fcn) {
fcn = fcu->next;
/* don't touch protected F-Curves */
if (BKE_fcurve_is_protected(fcu)) {
BKE_reportf(op->reports,
RPT_WARNING,
"Not deleting keyframe for locked F-Curve '%s', object '%s'",
fcu->rna_path,
id->name + 2);
continue;
}
/* Special exception for bones, as this makes this operator more convenient to use
* NOTE: This is only done in pose mode.
* In object mode, we're dealing with the entire object.
*/
if (ob->mode & OB_MODE_POSE) {
bPoseChannel *pchan = NULL;
/* Get bone-name, and check if this bone is selected. */
char bone_name[sizeof(pchan->name)];
if (!BLI_str_quoted_substr(fcu->rna_path, "pose.bones[", bone_name, sizeof(bone_name))) {
continue;
}
pchan = BKE_pose_channel_find_name(ob->pose, bone_name);
/* skip if bone is not selected */
if ((pchan) && (pchan->bone)) {
/* bones are only selected/editable if visible... */
bArmature *arm = (bArmature *)ob->data;
/* skipping - not visible on currently visible layers */
if ((arm->layer & pchan->bone->layer) == 0) {
continue;
}
/* skipping - is currently hidden */
if (pchan->bone->flag & BONE_HIDDEN_P) {
continue;
}
/* selection flag... */
if ((pchan->bone->flag & BONE_SELECTED) == 0) {
continue;
}
}
}
/* delete keyframes on current frame
* WARNING: this can delete the next F-Curve, hence the "fcn" copying
*/
success += delete_keyframe_fcurve(adt, fcu, cfra_unmap);
}
DEG_id_tag_update(&ob->adt->action->id, ID_RECALC_ANIMATION_NO_FLUSH);
}
/* Only for reporting. */
if (success) {
selected_objects_success_len += 1;
success_multi += success;
}
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
}
CTX_DATA_END;
if (selected_objects_success_len) {
/* send updates */
WM_event_add_notifier(C, NC_OBJECT | ND_KEYS, NULL);
}
if (confirm) {
/* if called by invoke (from the UI), make a note that we've removed keyframes */
if (selected_objects_success_len) {
BKE_reportf(op->reports,
RPT_INFO,
"%d object(s) successfully had %d keyframes removed",
selected_objects_success_len,
success_multi);
}
else {
BKE_reportf(
op->reports, RPT_ERROR, "No keyframes removed from %d object(s)", selected_objects_len);
}
}
return OPERATOR_FINISHED;
}
static int delete_key_v3d_exec(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
KeyingSet *ks = ANIM_scene_get_active_keyingset(scene);
if (ks == NULL) {
return delete_key_v3d_without_keying_set(C, op);
}
return delete_key_using_keying_set(C, op, ks);
}
void ANIM_OT_keyframe_delete_v3d(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Delete Keyframe";
ot->description = "Remove keyframes on current frame for selected objects and bones";
ot->idname = "ANIM_OT_keyframe_delete_v3d";
/* callbacks */
ot->invoke = WM_operator_confirm;
ot->exec = delete_key_v3d_exec;
ot->poll = ED_operator_areaactive;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* Insert Key Button Operator ------------------------ */
static int insert_key_button_exec(bContext *C, wmOperator *op)
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
ToolSettings *ts = scene->toolsettings;
PointerRNA ptr = {NULL};
PropertyRNA *prop = NULL;
char *path;
uiBut *but;
const AnimationEvalContext anim_eval_context = BKE_animsys_eval_context_construct(
CTX_data_depsgraph_pointer(C), (float)CFRA);
bool changed = false;
int index;
const bool all = RNA_boolean_get(op->ptr, "all");
eInsertKeyFlags flag = INSERTKEY_NOFLAGS;
/* flags for inserting keyframes */
flag = ANIM_get_keyframing_flags(scene, true);
/* try to insert keyframe using property retrieved from UI */
if (!(but = UI_context_active_but_prop_get(C, &ptr, &prop, &index))) {
/* pass event on if no active button found */
return (OPERATOR_CANCELLED | OPERATOR_PASS_THROUGH);
}
if ((ptr.owner_id && ptr.data && prop) && RNA_property_animateable(&ptr, prop)) {
if (ptr.type == &RNA_NlaStrip) {
/* Handle special properties for NLA Strips, whose F-Curves are stored on the
* strips themselves. These are stored separately or else the properties will
* not have any effect.
*/
NlaStrip *strip = ptr.data;
FCurve *fcu = BKE_fcurve_find(&strip->fcurves, RNA_property_identifier(prop), index);
if (fcu) {
changed = insert_keyframe_direct(
op->reports, ptr, prop, fcu, &anim_eval_context, ts->keyframe_type, NULL, 0);
}
else {
BKE_report(op->reports,
RPT_ERROR,
"This property cannot be animated as it will not get updated correctly");
}
}
else if (UI_but_flag_is_set(but, UI_BUT_DRIVEN)) {
/* Driven property - Find driver */
FCurve *fcu;
bool driven, special;
fcu = BKE_fcurve_find_by_rna_context_ui(C, &ptr, prop, index, NULL, NULL, &driven, &special);
if (fcu && driven) {
changed = insert_keyframe_direct(op->reports,
ptr,
prop,
fcu,
&anim_eval_context,
ts->keyframe_type,
NULL,
INSERTKEY_DRIVER);
}
}
else {
/* standard properties */
path = RNA_path_from_ID_to_property(&ptr, prop);
if (path) {
const char *identifier = RNA_property_identifier(prop);
const char *group = NULL;
/* Special exception for keyframing transforms:
* Set "group" for this manually, instead of having them appearing at the bottom
* (ungrouped) part of the channels list.
* Leaving these ungrouped is not a nice user behavior in this case.
*
* TODO: Perhaps we can extend this behavior in future for other properties...
*/
if (ptr.type == &RNA_PoseBone) {
bPoseChannel *pchan = ptr.data;
group = pchan->name;
}
else if ((ptr.type == &RNA_Object) &&
(strstr(identifier, "location") || strstr(identifier, "rotation") ||
strstr(identifier, "scale"))) {
/* NOTE: Keep this label in sync with the "ID" case in
* keyingsets_utils.py :: get_transform_generators_base_info()
*/
group = "Object Transforms";
}
if (all) {
/* -1 indicates operating on the entire array (or the property itself otherwise) */
index = -1;
}
changed = (insert_keyframe(bmain,
op->reports,
ptr.owner_id,
NULL,
group,
path,
index,
&anim_eval_context,
ts->keyframe_type,
NULL,
flag) != 0);
MEM_freeN(path);
}
else {
BKE_report(op->reports,
RPT_WARNING,
"Failed to resolve path to property, "
"try manually specifying this using a Keying Set instead");
}
}
}
else {
if (prop && !RNA_property_animateable(&ptr, prop)) {
BKE_reportf(op->reports,
RPT_WARNING,
"\"%s\" property cannot be animated",
RNA_property_identifier(prop));
}
else {
BKE_reportf(op->reports,
RPT_WARNING,
"Button doesn't appear to have any property information attached (ptr.data = "
"%p, prop = %p)",
ptr.data,
(void *)prop);
}
}
if (changed) {
ID *id = ptr.owner_id;
AnimData *adt = BKE_animdata_from_id(id);
if (adt->action != NULL) {
DEG_id_tag_update(&adt->action->id, ID_RECALC_ANIMATION_NO_FLUSH);
}
DEG_id_tag_update(id, ID_RECALC_ANIMATION_NO_FLUSH);
/* send updates */
UI_context_update_anim_flag(C);
/* send notifiers that keyframes have been changed */
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_ADDED, NULL);
}
return (changed) ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}
void ANIM_OT_keyframe_insert_button(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Insert Keyframe (Buttons)";
ot->idname = "ANIM_OT_keyframe_insert_button";
ot->description = "Insert a keyframe for current UI-active property";
/* callbacks */
ot->exec = insert_key_button_exec;
ot->poll = modify_key_op_poll;
/* flags */
ot->flag = OPTYPE_UNDO | OPTYPE_INTERNAL;
/* properties */
RNA_def_boolean(ot->srna, "all", 1, "All", "Insert a keyframe for all element of the array");
}
/* Delete Key Button Operator ------------------------ */
static int delete_key_button_exec(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
PointerRNA ptr = {NULL};
PropertyRNA *prop = NULL;
Main *bmain = CTX_data_main(C);
char *path;
float cfra = (float)CFRA; /* XXX for now, don't bother about all the yucky offset crap */
bool changed = false;
int index;
const bool all = RNA_boolean_get(op->ptr, "all");
/* try to insert keyframe using property retrieved from UI */
if (!UI_context_active_but_prop_get(C, &ptr, &prop, &index)) {
/* pass event on if no active button found */
return (OPERATOR_CANCELLED | OPERATOR_PASS_THROUGH);
}
if (ptr.owner_id && ptr.data && prop) {
if (BKE_nlastrip_has_curves_for_property(&ptr, prop)) {
/* Handle special properties for NLA Strips, whose F-Curves are stored on the
* strips themselves. These are stored separately or else the properties will
* not have any effect.
*/
ID *id = ptr.owner_id;
NlaStrip *strip = ptr.data;
FCurve *fcu = BKE_fcurve_find(&strip->fcurves, RNA_property_identifier(prop), 0);
if (fcu) {
if (BKE_fcurve_is_protected(fcu)) {
BKE_reportf(
op->reports,
RPT_WARNING,
"Not deleting keyframe for locked F-Curve for NLA Strip influence on %s - %s '%s'",
strip->name,
BKE_idtype_idcode_to_name(GS(id->name)),
id->name + 2);
}
else {
/* remove the keyframe directly
* NOTE: cannot use delete_keyframe_fcurve(), as that will free the curve,
* and delete_keyframe() expects the FCurve to be part of an action
*/
bool found = false;
int i;
/* try to find index of beztriple to get rid of */
i = BKE_fcurve_bezt_binarysearch_index(fcu->bezt, cfra, fcu->totvert, &found);
if (found) {
/* delete the key at the index (will sanity check + do recalc afterwards) */
delete_fcurve_key(fcu, i, 1);
changed = true;
}
}
}
}
else {
/* standard properties */
path = RNA_path_from_ID_to_property(&ptr, prop);
if (path) {
if (all) {
/* -1 indicates operating on the entire array (or the property itself otherwise) */
index = -1;
}
changed = delete_keyframe(bmain, op->reports, ptr.owner_id, NULL, path, index, cfra) != 0;
MEM_freeN(path);
}
else if (G.debug & G_DEBUG) {
printf("Button Delete-Key: no path to property\n");
}
}
}
else if (G.debug & G_DEBUG) {
printf("ptr.data = %p, prop = %p\n", ptr.data, (void *)prop);
}
if (changed) {
/* send updates */
UI_context_update_anim_flag(C);
/* send notifiers that keyframes have been changed */
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_REMOVED, NULL);
}
return (changed) ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}
void ANIM_OT_keyframe_delete_button(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Delete Keyframe (Buttons)";
ot->idname = "ANIM_OT_keyframe_delete_button";
ot->description = "Delete current keyframe of current UI-active property";
/* callbacks */
ot->exec = delete_key_button_exec;
ot->poll = modify_key_op_poll;
/* flags */
ot->flag = OPTYPE_UNDO | OPTYPE_INTERNAL;
/* properties */
RNA_def_boolean(ot->srna, "all", 1, "All", "Delete keyframes from all elements of the array");
}
/* Clear Key Button Operator ------------------------ */
static int clear_key_button_exec(bContext *C, wmOperator *op)
{
PointerRNA ptr = {NULL};
PropertyRNA *prop = NULL;
Main *bmain = CTX_data_main(C);
char *path;
bool changed = false;
int index;
const bool all = RNA_boolean_get(op->ptr, "all");
/* try to insert keyframe using property retrieved from UI */
if (!UI_context_active_but_prop_get(C, &ptr, &prop, &index)) {
/* pass event on if no active button found */
return (OPERATOR_CANCELLED | OPERATOR_PASS_THROUGH);
}
if (ptr.owner_id && ptr.data && prop) {
path = RNA_path_from_ID_to_property(&ptr, prop);
if (path) {
if (all) {
/* -1 indicates operating on the entire array (or the property itself otherwise) */
index = -1;
}
changed |= (clear_keyframe(bmain, op->reports, ptr.owner_id, NULL, path, index, 0) != 0);
MEM_freeN(path);
}
else if (G.debug & G_DEBUG) {
printf("Button Clear-Key: no path to property\n");
}
}
else if (G.debug & G_DEBUG) {
printf("ptr.data = %p, prop = %p\n", ptr.data, (void *)prop);
}
if (changed) {
/* send updates */
UI_context_update_anim_flag(C);
/* send notifiers that keyframes have been changed */
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_REMOVED, NULL);
}
return (changed) ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}
void ANIM_OT_keyframe_clear_button(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Clear Keyframe (Buttons)";
ot->idname = "ANIM_OT_keyframe_clear_button";
ot->description = "Clear all keyframes on the currently active property";
/* callbacks */
ot->exec = clear_key_button_exec;
ot->poll = modify_key_op_poll;
/* flags */
ot->flag = OPTYPE_UNDO | OPTYPE_INTERNAL;
/* properties */
RNA_def_boolean(ot->srna, "all", 1, "All", "Clear keyframes from all elements of the array");
}
/* ******************************************* */
/* AUTO KEYFRAME */
bool autokeyframe_cfra_can_key(const Scene *scene, ID *id)
{
float cfra = (float)CFRA; /* XXX for now, this will do */
/* only filter if auto-key mode requires this */
if (IS_AUTOKEY_ON(scene) == 0) {
return false;
}
if (IS_AUTOKEY_MODE(scene, EDITKEYS)) {
/* Replace Mode:
* For whole block, only key if there's a keyframe on that frame already
* This is a valid assumption when we're blocking + tweaking
*/
return id_frame_has_keyframe(id, cfra, ANIMFILTER_KEYS_LOCAL);
}
/* Normal Mode (or treat as being normal mode):
*
* Just in case the flags aren't set properly (i.e. only on/off is set, without a mode)
* let's set the "normal" flag too, so that it will all be sane everywhere...
*/
scene->toolsettings->autokey_mode = AUTOKEY_MODE_NORMAL;
/* Can insert anytime we like... */
return true;
}
/* ******************************************* */
/* KEYFRAME DETECTION */
/* --------------- API/Per-Datablock Handling ------------------- */
/* Checks if some F-Curve has a keyframe for a given frame */
bool fcurve_frame_has_keyframe(const FCurve *fcu, float frame, short filter)
{
/* quick sanity check */
if (ELEM(NULL, fcu, fcu->bezt)) {
return false;
}
/* We either include all regardless of muting, or only non-muted. */
if ((filter & ANIMFILTER_KEYS_MUTED) || (fcu->flag & FCURVE_MUTED) == 0) {
bool replace;
int i = BKE_fcurve_bezt_binarysearch_index(fcu->bezt, frame, fcu->totvert, &replace);
/* BKE_fcurve_bezt_binarysearch_index will set replace to be 0 or 1
* - obviously, 1 represents a match
*/
if (replace) {
/* sanity check: 'i' may in rare cases exceed arraylen */
if ((i >= 0) && (i < fcu->totvert)) {
return true;
}
}
}
return false;
}
/* Returns whether the current value of a given property differs from the interpolated value. */
bool fcurve_is_changed(PointerRNA ptr,
PropertyRNA *prop,
FCurve *fcu,
const AnimationEvalContext *anim_eval_context)
{
PathResolvedRNA anim_rna;
anim_rna.ptr = ptr;
anim_rna.prop = prop;
anim_rna.prop_index = fcu->array_index;
float buffer[RNA_MAX_ARRAY_LENGTH];
int count, index = fcu->array_index;
float *values = setting_get_rna_values(&ptr, prop, buffer, RNA_MAX_ARRAY_LENGTH, &count);
float fcurve_val = calculate_fcurve(&anim_rna, fcu, anim_eval_context);
float cur_val = (index >= 0 && index < count) ? values[index] : 0.0f;
if (values != buffer) {
MEM_freeN(values);
}
return !compare_ff_relative(fcurve_val, cur_val, FLT_EPSILON, 64);
}
/**
* Checks whether an Action has a keyframe for a given frame
* Since we're only concerned whether a keyframe exists,
* we can simply loop until a match is found.
*/
static bool action_frame_has_keyframe(bAction *act, float frame, short filter)
{
FCurve *fcu;
/* can only find if there is data */
if (act == NULL) {
return false;
}
/* if only check non-muted, check if muted */
if ((filter & ANIMFILTER_KEYS_MUTED) || (act->flag & ACT_MUTED)) {
return false;
}
/* loop over F-Curves, using binary-search to try to find matches
* - this assumes that keyframes are only beztriples
*/
for (fcu = act->curves.first; fcu; fcu = fcu->next) {
/* only check if there are keyframes (currently only of type BezTriple) */
if (fcu->bezt && fcu->totvert) {
if (fcurve_frame_has_keyframe(fcu, frame, filter)) {
return true;
}
}
}
/* nothing found */
return false;
}
/* Checks whether an Object has a keyframe for a given frame */
static bool object_frame_has_keyframe(Object *ob, float frame, short filter)
{
/* error checking */
if (ob == NULL) {
return false;
}
/* check own animation data - specifically, the action it contains */
if ((ob->adt) && (ob->adt->action)) {
/* T41525 - When the active action is a NLA strip being edited,
* we need to correct the frame number to "look inside" the
* remapped action
*/
float ob_frame = BKE_nla_tweakedit_remap(ob->adt, frame, NLATIME_CONVERT_UNMAP);
if (action_frame_has_keyframe(ob->adt->action, ob_frame, filter)) {
return true;
}
}
/* try shapekey keyframes (if available, and allowed by filter) */
if (!(filter & ANIMFILTER_KEYS_LOCAL) && !(filter & ANIMFILTER_KEYS_NOSKEY)) {
Key *key = BKE_key_from_object(ob);
/* shapekeys can have keyframes ('Relative Shape Keys')
* or depend on time (old 'Absolute Shape Keys')
*/
/* 1. test for relative (with keyframes) */
if (id_frame_has_keyframe((ID *)key, frame, filter)) {
return true;
}
/* 2. test for time */
/* TODO: yet to be implemented (this feature may evolve before then anyway). */
}
/* try materials */
if (!(filter & ANIMFILTER_KEYS_LOCAL) && !(filter & ANIMFILTER_KEYS_NOMAT)) {
/* if only active, then we can skip a lot of looping */
if (filter & ANIMFILTER_KEYS_ACTIVE) {
Material *ma = BKE_object_material_get(ob, (ob->actcol + 1));
/* we only retrieve the active material... */
if (id_frame_has_keyframe((ID *)ma, frame, filter)) {
return true;
}
}
else {
int a;
/* loop over materials */
for (a = 0; a < ob->totcol; a++) {
Material *ma = BKE_object_material_get(ob, a + 1);
if (id_frame_has_keyframe((ID *)ma, frame, filter)) {
return true;
}
}
}
}
/* nothing found */
return false;
}
/* --------------- API ------------------- */
/* Checks whether a keyframe exists for the given ID-block one the given frame */
bool id_frame_has_keyframe(ID *id, float frame, short filter)
{
/* sanity checks */
if (id == NULL) {
return false;
}
/* perform special checks for 'macro' types */
switch (GS(id->name)) {
case ID_OB: /* object */
return object_frame_has_keyframe((Object *)id, frame, filter);
#if 0
/* XXX TODO... for now, just use 'normal' behavior */
case ID_SCE: /* scene */
break;
#endif
default: /* 'normal type' */
{
AnimData *adt = BKE_animdata_from_id(id);
/* only check keyframes in active action */
if (adt) {
return action_frame_has_keyframe(adt->action, frame, filter);
}
break;
}
}
/* no keyframe found */
return false;
}
/* ************************************************** */
bool ED_autokeyframe_object(bContext *C, Scene *scene, Object *ob, KeyingSet *ks)
{
/* auto keyframing */
if (autokeyframe_cfra_can_key(scene, &ob->id)) {
ListBase dsources = {NULL, NULL};
/* Now insert the key-frame(s) using the Keying Set:
* 1) Add data-source override for the Object.
* 2) Insert key-frames.
* 3) Free the extra info.
*/
ANIM_relative_keyingset_add_source(&dsources, &ob->id, NULL, NULL);
ANIM_apply_keyingset(C, &dsources, NULL, ks, MODIFYKEY_MODE_INSERT, (float)CFRA);
BLI_freelistN(&dsources);
return true;
}
return false;
}
bool ED_autokeyframe_pchan(
bContext *C, Scene *scene, Object *ob, bPoseChannel *pchan, KeyingSet *ks)
{
if (autokeyframe_cfra_can_key(scene, &ob->id)) {
ListBase dsources = {NULL, NULL};
/* Now insert the keyframe(s) using the Keying Set:
* 1) Add data-source override for the pose-channel.
* 2) Insert key-frames.
* 3) Free the extra info.
*/
ANIM_relative_keyingset_add_source(&dsources, &ob->id, &RNA_PoseBone, pchan);
ANIM_apply_keyingset(C, &dsources, NULL, ks, MODIFYKEY_MODE_INSERT, (float)CFRA);
BLI_freelistN(&dsources);
return true;
}
return false;
}
/**
* Use for auto-keyframing from the UI.
*/
bool ED_autokeyframe_property(
bContext *C, Scene *scene, PointerRNA *ptr, PropertyRNA *prop, int rnaindex, float cfra)
{
Main *bmain = CTX_data_main(C);
Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
const AnimationEvalContext anim_eval_context = BKE_animsys_eval_context_construct(depsgraph,
cfra);
ID *id;
bAction *action;
FCurve *fcu;
bool driven;
bool special;
bool changed = false;
/* for entire array buttons we check the first component, it's not perfect
* but works well enough in typical cases */
const int rnaindex_check = (rnaindex == -1) ? 0 : rnaindex;
fcu = BKE_fcurve_find_by_rna_context_ui(
C, ptr, prop, rnaindex_check, NULL, &action, &driven, &special);
if (fcu == NULL) {
return changed;
}
if (special) {
/* NLA Strip property */
if (IS_AUTOKEY_ON(scene)) {
ReportList *reports = CTX_wm_reports(C);
ToolSettings *ts = scene->toolsettings;
changed = insert_keyframe_direct(
reports, *ptr, prop, fcu, &anim_eval_context, ts->keyframe_type, NULL, 0);
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
}
else if (driven) {
/* Driver - Try to insert keyframe using the driver's input as the frame,
* making it easier to set up corrective drivers
*/
if (IS_AUTOKEY_ON(scene)) {
ReportList *reports = CTX_wm_reports(C);
ToolSettings *ts = scene->toolsettings;
changed = insert_keyframe_direct(
reports, *ptr, prop, fcu, &anim_eval_context, ts->keyframe_type, NULL, INSERTKEY_DRIVER);
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
}
else {
id = ptr->owner_id;
/* TODO: this should probably respect the keyingset only option for anim */
if (autokeyframe_cfra_can_key(scene, id)) {
ReportList *reports = CTX_wm_reports(C);
ToolSettings *ts = scene->toolsettings;
const eInsertKeyFlags flag = ANIM_get_keyframing_flags(scene, true);
/* NOTE: We use rnaindex instead of fcu->array_index,
* because a button may control all items of an array at once.
* E.g., color wheels (see T42567). */
BLI_assert((fcu->array_index == rnaindex) || (rnaindex == -1));
changed = insert_keyframe(bmain,
reports,
id,
action,
((fcu->grp) ? (fcu->grp->name) : (NULL)),
fcu->rna_path,
rnaindex,
&anim_eval_context,
ts->keyframe_type,
NULL,
flag) != 0;
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
}
return changed;
}
/* -------------------------------------------------------------------- */
/** \name Internal Utilities
* \{ */
/** Use for insert/delete key-frame. */
static KeyingSet *keyingset_get_from_op_with_error(wmOperator *op, PropertyRNA *prop, Scene *scene)
{
KeyingSet *ks = NULL;
const int prop_type = RNA_property_type(prop);
if (prop_type == PROP_ENUM) {
int type = RNA_property_enum_get(op->ptr, prop);
ks = ANIM_keyingset_get_from_enum_type(scene, type);
if (ks == NULL) {
BKE_report(op->reports, RPT_ERROR, "No active Keying Set");
}
}
else if (prop_type == PROP_STRING) {
char type_id[MAX_ID_NAME - 2];
RNA_property_string_get(op->ptr, prop, type_id);
ks = ANIM_keyingset_get_from_idname(scene, type_id);
if (ks == NULL) {
BKE_reportf(op->reports, RPT_ERROR, "Keying set '%s' not found", type_id);
}
}
else {
BLI_assert(0);
}
return ks;
}
/** \} */
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