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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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file blender/blenkernel/intern/action.c
* \ingroup bke
*/
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <stddef.h>
#include "MEM_guardedalloc.h"
#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_constraint_types.h"
#include "DNA_scene_types.h"
#include "DNA_object_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_string_utils.h"
#include "BLI_utildefines.h"
#include "BLI_ghash.h"
#include "BLT_translation.h"
#include "BKE_action.h"
#include "BKE_anim.h"
#include "BKE_animsys.h"
#include "BKE_constraint.h"
#include "BKE_deform.h"
#include "BKE_depsgraph.h"
#include "BKE_fcurve.h"
#include "BKE_global.h"
#include "BKE_idprop.h"
#include "BKE_library.h"
#include "BKE_library_query.h"
#include "BKE_library_remap.h"
#include "BKE_main.h"
#include "BKE_object.h"
#include "BIK_api.h"
#include "RNA_access.h"
/* *********************** NOTE ON POSE AND ACTION **********************
*
* - Pose is the local (object level) component of armature. The current
* object pose is saved in files, and (will be) is presorted for dependency
* - Actions have fewer (or other) channels, and write data to a Pose
* - Currently ob->pose data is controlled in BKE_pose_where_is only. The (recalc)
* event system takes care of calling that
* - The NLA system (here too) uses Poses as interpolation format for Actions
* - Therefore we assume poses to be static, and duplicates of poses have channels in
* same order, for quick interpolation reasons
*
* ****************************** (ton) ************************************ */
/* ***************** Library data level operations on action ************** */
bAction *BKE_action_add(Main *bmain, const char name[])
{
bAction *act;
act = BKE_libblock_alloc(bmain, ID_AC, name, 0);
return act;
}
/* .................................. */
// does copy_fcurve...
void BKE_action_make_local(Main *bmain, bAction *act, const bool lib_local)
{
BKE_id_make_local_generic(bmain, &act->id, true, lib_local);
}
/* .................................. */
/** Free (or release) any data used by this action (does not free the action itself). */
void BKE_action_free(bAction *act)
{
/* No animdata here. */
/* Free F-Curves */
free_fcurves(&act->curves);
/* Free groups */
BLI_freelistN(&act->groups);
/* Free pose-references (aka local markers) */
BLI_freelistN(&act->markers);
}
/* .................................. */
/**
* Only copy internal data of Action ID from source to already allocated/initialized destination.
* You probably nerver want to use that directly, use id_copy or BKE_id_copy_ex for typical needs.
*
* WARNING! This function will not handle ID user count!
*
* \param flag: Copying options (see BKE_library.h's LIB_ID_COPY_... flags for more).
*/
void BKE_action_copy_data(Main *UNUSED(bmain), bAction *act_dst, const bAction *act_src, const int UNUSED(flag))
{
bActionGroup *grp_dst, *grp_src;
FCurve *fcu_dst, *fcu_src;
/* duplicate the lists of groups and markers */
BLI_duplicatelist(&act_dst->groups, &act_src->groups);
BLI_duplicatelist(&act_dst->markers, &act_src->markers);
/* copy F-Curves, fixing up the links as we go */
BLI_listbase_clear(&act_dst->curves);
for (fcu_src = act_src->curves.first; fcu_src; fcu_src = fcu_src->next) {
/* duplicate F-Curve */
fcu_dst = copy_fcurve(fcu_src); /* XXX TODO pass subdata flag? But surprisingly does not seem to be doing any ID refcounting... */
BLI_addtail(&act_dst->curves, fcu_dst);
/* fix group links (kindof bad list-in-list search, but this is the most reliable way) */
for (grp_dst = act_dst->groups.first, grp_src = act_src->groups.first;
grp_dst && grp_src;
grp_dst = grp_dst->next, grp_src = grp_src->next)
{
if (fcu_src->grp == grp_src) {
fcu_dst->grp = grp_dst;
if (grp_dst->channels.first == fcu_src) {
grp_dst->channels.first = fcu_dst;
}
if (grp_dst->channels.last == fcu_src) {
grp_dst->channels.last = fcu_dst;
}
break;
}
}
}
}
bAction *BKE_action_copy(Main *bmain, const bAction *act_src)
{
bAction *act_copy;
BKE_id_copy_ex(bmain, &act_src->id, (ID **)&act_copy, 0, false);
return act_copy;
}
/* *************** Action Groups *************** */
/* Get the active action-group for an Action */
bActionGroup *get_active_actiongroup(bAction *act)
{
bActionGroup *agrp = NULL;
if (act && act->groups.first) {
for (agrp = act->groups.first; agrp; agrp = agrp->next) {
if (agrp->flag & AGRP_ACTIVE)
break;
}
}
return agrp;
}
/* Make the given Action-Group the active one */
void set_active_action_group(bAction *act, bActionGroup *agrp, short select)
{
bActionGroup *grp;
/* sanity checks */
if (act == NULL)
return;
/* Deactivate all others */
for (grp = act->groups.first; grp; grp = grp->next) {
if ((grp == agrp) && (select))
grp->flag |= AGRP_ACTIVE;
else
grp->flag &= ~AGRP_ACTIVE;
}
}
/* Sync colors used for action/bone group with theme settings */
void action_group_colors_sync(bActionGroup *grp, const bActionGroup *ref_grp)
{
/* only do color copying if using a custom color (i.e. not default color) */
if (grp->customCol) {
if (grp->customCol > 0) {
/* copy theme colors on-to group's custom color in case user tries to edit color */
bTheme *btheme = U.themes.first;
ThemeWireColor *col_set = &btheme->tarm[(grp->customCol - 1)];
memcpy(&grp->cs, col_set, sizeof(ThemeWireColor));
}
else {
/* if a reference group is provided, use the custom color from there... */
if (ref_grp) {
/* assumption: reference group has a color set */
memcpy(&grp->cs, &ref_grp->cs, sizeof(ThemeWireColor));
}
/* otherwise, init custom color with a generic/placeholder color set if
* no previous theme color was used that we can just keep using
*/
else if (grp->cs.solid[0] == 0) {
/* define for setting colors in theme below */
rgba_char_args_set(grp->cs.solid, 0xff, 0x00, 0x00, 255);
rgba_char_args_set(grp->cs.select, 0x81, 0xe6, 0x14, 255);
rgba_char_args_set(grp->cs.active, 0x18, 0xb6, 0xe0, 255);
}
}
}
}
/* Add a new action group with the given name to the action */
bActionGroup *action_groups_add_new(bAction *act, const char name[])
{
bActionGroup *agrp;
/* sanity check: must have action and name */
if (ELEM(NULL, act, name))
return NULL;
/* allocate a new one */
agrp = MEM_callocN(sizeof(bActionGroup), "bActionGroup");
/* make it selected, with default name */
agrp->flag = AGRP_SELECTED;
BLI_strncpy(agrp->name, name[0] ? name : DATA_("Group"), sizeof(agrp->name));
/* add to action, and validate */
BLI_addtail(&act->groups, agrp);
BLI_uniquename(&act->groups, agrp, DATA_("Group"), '.', offsetof(bActionGroup, name), sizeof(agrp->name));
/* return the new group */
return agrp;
}
/* Add given channel into (active) group
* - assumes that channel is not linked to anything anymore
* - always adds at the end of the group
*/
void action_groups_add_channel(bAction *act, bActionGroup *agrp, FCurve *fcurve)
{
/* sanity checks */
if (ELEM(NULL, act, agrp, fcurve))
return;
/* if no channels anywhere, just add to two lists at the same time */
if (BLI_listbase_is_empty(&act->curves)) {
fcurve->next = fcurve->prev = NULL;
agrp->channels.first = agrp->channels.last = fcurve;
act->curves.first = act->curves.last = fcurve;
}
/* if the group already has channels, the F-Curve can simply be added to the list
* (i.e. as the last channel in the group)
*/
else if (agrp->channels.first) {
/* if the group's last F-Curve is the action's last F-Curve too,
* then set the F-Curve as the last for the action first so that
* the lists will be in sync after linking
*/
if (agrp->channels.last == act->curves.last)
act->curves.last = fcurve;
/* link in the given F-Curve after the last F-Curve in the group,
* which means that it should be able to fit in with the rest of the
* list seamlessly
*/
BLI_insertlinkafter(&agrp->channels, agrp->channels.last, fcurve);
}
/* otherwise, need to find the nearest F-Curve in group before/after current to link with */
else {
bActionGroup *grp;
/* firstly, link this F-Curve to the group */
agrp->channels.first = agrp->channels.last = fcurve;
/* step through the groups preceding this one, finding the F-Curve there to attach this one after */
for (grp = agrp->prev; grp; grp = grp->prev) {
/* if this group has F-Curves, we want weave the given one in right after the last channel there,
* but via the Action's list not this group's list
* - this is so that the F-Curve is in the right place in the Action,
* but won't be included in the previous group
*/
if (grp->channels.last) {
/* once we've added, break here since we don't need to search any further... */
BLI_insertlinkafter(&act->curves, grp->channels.last, fcurve);
break;
}
}
/* if grp is NULL, that means we fell through, and this F-Curve should be added as the new first
* since group is (effectively) the first group. Thus, the existing first F-Curve becomes the
* second in the chain, etc. etc.
*/
if (grp == NULL)
BLI_insertlinkbefore(&act->curves, act->curves.first, fcurve);
}
/* set the F-Curve's new group */
fcurve->grp = agrp;
}
/* Remove the given channel from all groups */
void action_groups_remove_channel(bAction *act, FCurve *fcu)
{
/* sanity checks */
if (ELEM(NULL, act, fcu))
return;
/* check if any group used this directly */
if (fcu->grp) {
bActionGroup *agrp = fcu->grp;
if (agrp->channels.first == agrp->channels.last) {
if (agrp->channels.first == fcu) {
BLI_listbase_clear(&agrp->channels);
}
}
else if (agrp->channels.first == fcu) {
if ((fcu->next) && (fcu->next->grp == agrp))
agrp->channels.first = fcu->next;
else
agrp->channels.first = NULL;
}
else if (agrp->channels.last == fcu) {
if ((fcu->prev) && (fcu->prev->grp == agrp))
agrp->channels.last = fcu->prev;
else
agrp->channels.last = NULL;
}
fcu->grp = NULL;
}
/* now just remove from list */
BLI_remlink(&act->curves, fcu);
}
/* Find a group with the given name */
bActionGroup *BKE_action_group_find_name(bAction *act, const char name[])
{
/* sanity checks */
if (ELEM(NULL, act, act->groups.first, name) || (name[0] == 0))
return NULL;
/* do string comparisons */
return BLI_findstring(&act->groups, name, offsetof(bActionGroup, name));
}
/* Clear all 'temp' flags on all groups */
void action_groups_clear_tempflags(bAction *act)
{
bActionGroup *agrp;
/* sanity checks */
if (ELEM(NULL, act, act->groups.first))
return;
/* flag clearing loop */
for (agrp = act->groups.first; agrp; agrp = agrp->next)
agrp->flag &= ~AGRP_TEMP;
}
/* *************** Pose channels *************** */
/**
* Return a pointer to the pose channel of the given name
* from this pose.
*/
bPoseChannel *BKE_pose_channel_find_name(const bPose *pose, const char *name)
{
if (ELEM(NULL, pose, name) || (name[0] == '\0'))
return NULL;
if (pose->chanhash)
return BLI_ghash_lookup(pose->chanhash, (const void *)name);
return BLI_findstring(&((const bPose *)pose)->chanbase, name, offsetof(bPoseChannel, name));
}
/**
* Looks to see if the channel with the given name
* already exists in this pose - if not a new one is
* allocated and initialized.
*
* \note Use with care, not on Armature poses but for temporal ones.
* \note (currently used for action constraints and in rebuild_pose).
*/
bPoseChannel *BKE_pose_channel_verify(bPose *pose, const char *name)
{
bPoseChannel *chan;
if (pose == NULL)
return NULL;
/* See if this channel exists */
chan = BLI_findstring(&pose->chanbase, name, offsetof(bPoseChannel, name));
if (chan) {
return chan;
}
/* If not, create it and add it */
chan = MEM_callocN(sizeof(bPoseChannel), "verifyPoseChannel");
BLI_strncpy(chan->name, name, sizeof(chan->name));
chan->custom_scale = 1.0f;
/* init vars to prevent math errors */
unit_qt(chan->quat);
unit_axis_angle(chan->rotAxis, &chan->rotAngle);
chan->size[0] = chan->size[1] = chan->size[2] = 1.0f;
chan->scaleIn = chan->scaleOut = 1.0f;
chan->limitmin[0] = chan->limitmin[1] = chan->limitmin[2] = -M_PI;
chan->limitmax[0] = chan->limitmax[1] = chan->limitmax[2] = M_PI;
chan->stiffness[0] = chan->stiffness[1] = chan->stiffness[2] = 0.0f;
chan->ikrotweight = chan->iklinweight = 0.0f;
unit_m4(chan->constinv);
chan->protectflag = OB_LOCK_ROT4D; /* lock by components by default */
BLI_addtail(&pose->chanbase, chan);
BKE_pose_channels_hash_free(pose);
return chan;
}
#ifndef NDEBUG
bool BKE_pose_channels_is_valid(const bPose *pose)
{
if (pose->chanhash) {
bPoseChannel *pchan;
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
if (BLI_ghash_lookup(pose->chanhash, pchan->name) != pchan) {
return false;
}
}
}
return true;
}
#endif
/**
* Find the active posechannel for an object (we can't just use pose, as layer info is in armature)
*
* \note: Object, not bPose is used here, as we need layer info from Armature)
*/
bPoseChannel *BKE_pose_channel_active(Object *ob)
{
bArmature *arm = (ob) ? ob->data : NULL;
bPoseChannel *pchan;
if (ELEM(NULL, ob, ob->pose, arm)) {
return NULL;
}
/* find active */
for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
if ((pchan->bone) && (pchan->bone == arm->act_bone) && (pchan->bone->layer & arm->layer))
return pchan;
}
return NULL;
}
/**
* \see #ED_armature_ebone_get_mirrored (edit-mode, matching function)
*/
bPoseChannel *BKE_pose_channel_get_mirrored(const bPose *pose, const char *name)
{
char name_flip[MAXBONENAME];
BLI_string_flip_side_name(name_flip, name, false, sizeof(name_flip));
if (!STREQ(name_flip, name)) {
return BKE_pose_channel_find_name(pose, name_flip);
}
return NULL;
}
const char *BKE_pose_ikparam_get_name(bPose *pose)
{
if (pose) {
switch (pose->iksolver) {
case IKSOLVER_STANDARD:
return NULL;
case IKSOLVER_ITASC:
return "bItasc";
}
}
return NULL;
}
/**
* Allocate a new pose on the heap, and copy the src pose and it's channels
* into the new pose. *dst is set to the newly allocated structure, and assumed to be NULL.
*
* \param dst: Should be freed already, makes entire duplicate.
*/
void BKE_pose_copy_data_ex(bPose **dst, const bPose *src, const int flag, const bool copy_constraints)
{
bPose *outPose;
bPoseChannel *pchan;
ListBase listb;
if (!src) {
*dst = NULL;
return;
}
outPose = MEM_callocN(sizeof(bPose), "pose");
BLI_duplicatelist(&outPose->chanbase, &src->chanbase);
/* Rebuild ghash here too, so that name lookups below won't be too bad...
* BUT this will have the penalty that the ghash will be built twice
* if BKE_pose_rebuild() gets called after this...
*/
if (outPose->chanbase.first != outPose->chanbase.last) {
outPose->chanhash = NULL;
BKE_pose_channels_hash_make(outPose);
}
outPose->iksolver = src->iksolver;
outPose->ikdata = NULL;
outPose->ikparam = MEM_dupallocN(src->ikparam);
outPose->avs = src->avs;
for (pchan = outPose->chanbase.first; pchan; pchan = pchan->next) {
if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
id_us_plus((ID *)pchan->custom);
}
/* warning, O(n2) here, if done without the hash, but these are rarely used features. */
if (pchan->custom_tx) {
pchan->custom_tx = BKE_pose_channel_find_name(outPose, pchan->custom_tx->name);
}
if (pchan->bbone_prev) {
pchan->bbone_prev = BKE_pose_channel_find_name(outPose, pchan->bbone_prev->name);
}
if (pchan->bbone_next) {
pchan->bbone_next = BKE_pose_channel_find_name(outPose, pchan->bbone_next->name);
}
if (copy_constraints) {
BKE_constraints_copy_ex(&listb, &pchan->constraints, flag, true); // BKE_constraints_copy NULLs listb
pchan->constraints = listb;
pchan->mpath = NULL; /* motion paths should not get copied yet... */
}
if (pchan->prop) {
pchan->prop = IDP_CopyProperty_ex(pchan->prop, flag);
}
}
/* for now, duplicate Bone Groups too when doing this */
if (copy_constraints) {
BLI_duplicatelist(&outPose->agroups, &src->agroups);
}
*dst = outPose;
}
void BKE_pose_copy_data(bPose **dst, const bPose *src, const bool copy_constraints)
{
BKE_pose_copy_data_ex(dst, src, 0, copy_constraints);
}
void BKE_pose_itasc_init(bItasc *itasc)
{
if (itasc) {
itasc->iksolver = IKSOLVER_ITASC;
itasc->minstep = 0.01f;
itasc->maxstep = 0.06f;
itasc->numiter = 100;
itasc->numstep = 4;
itasc->precision = 0.005f;
itasc->flag = ITASC_AUTO_STEP | ITASC_INITIAL_REITERATION;
itasc->feedback = 20.0f;
itasc->maxvel = 50.0f;
itasc->solver = ITASC_SOLVER_SDLS;
itasc->dampmax = 0.5;
itasc->dampeps = 0.15;
}
}
void BKE_pose_ikparam_init(bPose *pose)
{
bItasc *itasc;
switch (pose->iksolver) {
case IKSOLVER_ITASC:
itasc = MEM_callocN(sizeof(bItasc), "itasc");
BKE_pose_itasc_init(itasc);
pose->ikparam = itasc;
break;
case IKSOLVER_STANDARD:
default:
pose->ikparam = NULL;
break;
}
}
/* only for real IK, not for auto-IK */
static bool pose_channel_in_IK_chain(Object *ob, bPoseChannel *pchan, int level)
{
bConstraint *con;
Bone *bone;
/* No need to check if constraint is active (has influence),
* since all constraints with CONSTRAINT_IK_AUTO are active */
for (con = pchan->constraints.first; con; con = con->next) {
if (con->type == CONSTRAINT_TYPE_KINEMATIC) {
bKinematicConstraint *data = con->data;
if ((data->rootbone == 0) || (data->rootbone > level)) {
if ((data->flag & CONSTRAINT_IK_AUTO) == 0)
return true;
}
}
}
for (bone = pchan->bone->childbase.first; bone; bone = bone->next) {
pchan = BKE_pose_channel_find_name(ob->pose, bone->name);
if (pchan && pose_channel_in_IK_chain(ob, pchan, level + 1))
return true;
}
return false;
}
bool BKE_pose_channel_in_IK_chain(Object *ob, bPoseChannel *pchan)
{
return pose_channel_in_IK_chain(ob, pchan, 0);
}
/**
* Removes the hash for quick lookup of channels, must
* be done when adding/removing channels.
*/
void BKE_pose_channels_hash_make(bPose *pose)
{
if (!pose->chanhash) {
bPoseChannel *pchan;
pose->chanhash = BLI_ghash_str_new("make_pose_chan gh");
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next)
BLI_ghash_insert(pose->chanhash, pchan->name, pchan);
}
}
void BKE_pose_channels_hash_free(bPose *pose)
{
if (pose->chanhash) {
BLI_ghash_free(pose->chanhash, NULL, NULL);
pose->chanhash = NULL;
}
}
/**
* Selectively remove pose channels.
*/
void BKE_pose_channels_remove(
Object *ob,
bool (*filter_fn)(const char *bone_name, void *user_data), void *user_data)
{
/* Erase any associated pose channel, along with any references to them */
if (ob->pose) {
bPoseChannel *pchan, *pchan_next;
bConstraint *con;
for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan_next) {
pchan_next = pchan->next;
if (filter_fn(pchan->name, user_data)) {
/* Bone itself is being removed */
BKE_pose_channel_free(pchan);
if (ob->pose->chanhash) {
BLI_ghash_remove(ob->pose->chanhash, pchan->name, NULL, NULL);
}
BLI_freelinkN(&ob->pose->chanbase, pchan);
}
else {
/* Maybe something the bone references is being removed instead? */
for (con = pchan->constraints.first; con; con = con->next) {
const bConstraintTypeInfo *cti = BKE_constraint_typeinfo_get(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (cti && cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar == ob) {
if (ct->subtarget[0]) {
if (filter_fn(ct->subtarget, user_data)) {
con->flag |= CONSTRAINT_DISABLE;
ct->subtarget[0] = 0;
}
}
}
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 0);
}
}
if (pchan->bbone_prev) {
if (filter_fn(pchan->bbone_prev->name, user_data))
pchan->bbone_prev = NULL;
}
if (pchan->bbone_next) {
if (filter_fn(pchan->bbone_next->name, user_data))
pchan->bbone_next = NULL;
}
if (pchan->custom_tx) {
if (filter_fn(pchan->custom_tx->name, user_data))
pchan->custom_tx = NULL;
}
}
}
}
}
/**
* Deallocates a pose channel.
* Does not free the pose channel itself.
*/
void BKE_pose_channel_free_ex(bPoseChannel *pchan, bool do_id_user)
{
if (pchan->custom) {
if (do_id_user) {
id_us_min(&pchan->custom->id);
}
pchan->custom = NULL;
}
if (pchan->mpath) {
animviz_free_motionpath(pchan->mpath);
pchan->mpath = NULL;
}
BKE_constraints_free_ex(&pchan->constraints, do_id_user);
if (pchan->prop) {
IDP_FreeProperty(pchan->prop);
MEM_freeN(pchan->prop);
}
}
void BKE_pose_channel_free(bPoseChannel *pchan)
{
BKE_pose_channel_free_ex(pchan, true);
}
/**
* Removes and deallocates all channels from a pose.
* Does not free the pose itself.
*/
void BKE_pose_channels_free_ex(bPose *pose, bool do_id_user)
{
bPoseChannel *pchan;
if (pose->chanbase.first) {
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next)
BKE_pose_channel_free_ex(pchan, do_id_user);
BLI_freelistN(&pose->chanbase);
}
BKE_pose_channels_hash_free(pose);
}
void BKE_pose_channels_free(bPose *pose)
{
BKE_pose_channels_free_ex(pose, true);
}
void BKE_pose_free_data_ex(bPose *pose, bool do_id_user)
{
/* free pose-channels */
BKE_pose_channels_free_ex(pose, do_id_user);
/* free pose-groups */
if (pose->agroups.first)
BLI_freelistN(&pose->agroups);
/* free IK solver state */
BIK_clear_data(pose);
/* free IK solver param */
if (pose->ikparam)
MEM_freeN(pose->ikparam);
}
void BKE_pose_free_data(bPose *pose)
{
BKE_pose_free_data_ex(pose, true);
}
/**
* Removes and deallocates all data from a pose, and also frees the pose.
*/
void BKE_pose_free_ex(bPose *pose, bool do_id_user)
{
if (pose) {
BKE_pose_free_data_ex(pose, do_id_user);
/* free pose */
MEM_freeN(pose);
}
}
void BKE_pose_free(bPose *pose)
{
BKE_pose_free_ex(pose, true);
}
static void copy_pose_channel_data(bPoseChannel *pchan, const bPoseChannel *chan)
{
bConstraint *pcon, *con;
copy_v3_v3(pchan->loc, chan->loc);
copy_v3_v3(pchan->size, chan->size);
copy_v3_v3(pchan->eul, chan->eul);
copy_v3_v3(pchan->rotAxis, chan->rotAxis);
pchan->rotAngle = chan->rotAngle;
copy_qt_qt(pchan->quat, chan->quat);
pchan->rotmode = chan->rotmode;
copy_m4_m4(pchan->chan_mat, (float(*)[4])chan->chan_mat);
copy_m4_m4(pchan->pose_mat, (float(*)[4])chan->pose_mat);
pchan->flag = chan->flag;
pchan->roll1 = chan->roll1;
pchan->roll2 = chan->roll2;
pchan->curveInX = chan->curveInX;
pchan->curveInY = chan->curveInY;
pchan->curveOutX = chan->curveOutX;
pchan->curveOutY = chan->curveOutY;
pchan->ease1 = chan->ease1;
pchan->ease2 = chan->ease2;
pchan->scaleIn = chan->scaleIn;
pchan->scaleOut = chan->scaleOut;
con = chan->constraints.first;
for (pcon = pchan->constraints.first; pcon && con; pcon = pcon->next, con = con->next) {
pcon->enforce = con->enforce;
pcon->headtail = con->headtail;
}
}
/**
* Copy the internal members of each pose channel including constraints
* and ID-Props, used when duplicating bones in editmode.
* (unlike copy_pose_channel_data which only does posing-related stuff).
*
* \note use when copying bones in editmode (on returned value from #BKE_pose_channel_verify)
*/
void BKE_pose_channel_copy_data(bPoseChannel *pchan, const bPoseChannel *pchan_from)
{
/* copy transform locks */
pchan->protectflag = pchan_from->protectflag;
/* copy rotation mode */
pchan->rotmode = pchan_from->rotmode;
/* copy bone group */
pchan->agrp_index = pchan_from->agrp_index;
/* ik (dof) settings */
pchan->ikflag = pchan_from->ikflag;
copy_v3_v3(pchan->limitmin, pchan_from->limitmin);
copy_v3_v3(pchan->limitmax, pchan_from->limitmax);
copy_v3_v3(pchan->stiffness, pchan_from->stiffness);
pchan->ikstretch = pchan_from->ikstretch;
pchan->ikrotweight = pchan_from->ikrotweight;
pchan->iklinweight = pchan_from->iklinweight;
/* bbone settings (typically not animated) */
pchan->bboneflag = pchan_from->bboneflag;
pchan->bbone_next = pchan_from->bbone_next;
pchan->bbone_prev = pchan_from->bbone_prev;
/* constraints */
BKE_constraints_copy(&pchan->constraints, &pchan_from->constraints, true);
/* id-properties */
if (pchan->prop) {
/* unlikely but possible it exists */
IDP_FreeProperty(pchan->prop);
MEM_freeN(pchan->prop);
pchan->prop = NULL;
}
if (pchan_from->prop) {
pchan->prop = IDP_CopyProperty(pchan_from->prop);
}
/* custom shape */
pchan->custom = pchan_from->custom;
if (pchan->custom) {
id_us_plus(&pchan->custom->id);
}
pchan->custom_scale = pchan_from->custom_scale;
}
/* checks for IK constraint, Spline IK, and also for Follow-Path constraint.
* can do more constraints flags later
*/
/* pose should be entirely OK */
void BKE_pose_update_constraint_flags(bPose *pose)
{
bPoseChannel *pchan, *parchan;
bConstraint *con;
/* clear */
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
pchan->constflag = 0;
}
pose->flag &= ~POSE_CONSTRAINTS_TIMEDEPEND;
/* detect */
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
for (con = pchan->constraints.first; con; con = con->next) {
if (con->type == CONSTRAINT_TYPE_KINEMATIC) {
bKinematicConstraint *data = (bKinematicConstraint *)con->data;
pchan->constflag |= PCHAN_HAS_IK;
if (data->tar == NULL || (data->tar->type == OB_ARMATURE && data->subtarget[0] == 0))
pchan->constflag |= PCHAN_HAS_TARGET;
/* negative rootbone = recalc rootbone index. used in do_versions */
if (data->rootbone < 0) {
data->rootbone = 0;
if (data->flag & CONSTRAINT_IK_TIP) parchan = pchan;
else parchan = pchan->parent;
while (parchan) {
data->rootbone++;
if ((parchan->bone->flag & BONE_CONNECTED) == 0)
break;
parchan = parchan->parent;
}
}
}
else if (con->type == CONSTRAINT_TYPE_FOLLOWPATH) {
bFollowPathConstraint *data = (bFollowPathConstraint *)con->data;
/* for drawing constraint colors when color set allows this */
pchan->constflag |= PCHAN_HAS_CONST;
/* if we have a valid target, make sure that this will get updated on frame-change
* (needed for when there is no anim-data for this pose)
*/
if ((data->tar) && (data->tar->type == OB_CURVE))
pose->flag |= POSE_CONSTRAINTS_TIMEDEPEND;
}
else if (con->type == CONSTRAINT_TYPE_SPLINEIK)
pchan->constflag |= PCHAN_HAS_SPLINEIK;
else
pchan->constflag |= PCHAN_HAS_CONST;
}
}
pose->flag &= ~POSE_CONSTRAINTS_NEED_UPDATE_FLAGS;
}
void BKE_pose_tag_update_constraint_flags(bPose *pose)
{
pose->flag |= POSE_CONSTRAINTS_NEED_UPDATE_FLAGS;
}
/* Clears all BONE_UNKEYED flags for every pose channel in every pose
* This should only be called on frame changing, when it is acceptable to
* do this. Otherwise, these flags should not get cleared as poses may get lost.
*/
void framechange_poses_clear_unkeyed(Main *bmain)
{
Object *ob;
bPose *pose;
bPoseChannel *pchan;
/* This needs to be done for each object that has a pose */
/* TODO: proxies may/may not be correctly handled here... (this needs checking) */
for (ob = bmain->object.first; ob; ob = ob->id.next) {
/* we only need to do this on objects with a pose */
if ((pose = ob->pose)) {
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
if (pchan->bone)
pchan->bone->flag &= ~BONE_UNKEYED;
}
}
}
}
/* ************************** Bone Groups ************************** */
/* Adds a new bone-group (name may be NULL) */
bActionGroup *BKE_pose_add_group(bPose *pose, const char *name)
{
bActionGroup *grp;
if (!name) {
name = DATA_("Group");
}
grp = MEM_callocN(sizeof(bActionGroup), "PoseGroup");
BLI_strncpy(grp->name, name, sizeof(grp->name));
BLI_addtail(&pose->agroups, grp);
BLI_uniquename(&pose->agroups, grp, name, '.', offsetof(bActionGroup, name), sizeof(grp->name));
pose->active_group = BLI_listbase_count(&pose->agroups);
return grp;
}
/* Remove the given bone-group (expects 'virtual' index (+1 one, used by active_group etc.))
* index might be invalid ( < 1), in which case it will be find from grp. */
void BKE_pose_remove_group(bPose *pose, bActionGroup *grp, const int index)
{
bPoseChannel *pchan;
int idx = index;
if (idx < 1) {
idx = BLI_findindex(&pose->agroups, grp) + 1;
}
BLI_assert(idx > 0);
/* adjust group references (the trouble of using indices!):
* - firstly, make sure nothing references it
* - also, make sure that those after this item get corrected
*/
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
if (pchan->agrp_index == idx)
pchan->agrp_index = 0;
else if (pchan->agrp_index > idx)
pchan->agrp_index--;
}
/* now, remove it from the pose */
BLI_freelinkN(&pose->agroups, grp);
if (pose->active_group >= idx) {
const bool has_groups = !BLI_listbase_is_empty(&pose->agroups);
pose->active_group--;
if (pose->active_group == 0 && has_groups) {
pose->active_group = 1;
}
else if (pose->active_group < 0 || !has_groups) {
pose->active_group = 0;
}
}
}
/* Remove the indexed bone-group (expects 'virtual' index (+1 one, used by active_group etc.)) */
void BKE_pose_remove_group_index(bPose *pose, const int index)
{
bActionGroup *grp = NULL;
/* get group to remove */
grp = BLI_findlink(&pose->agroups, index - 1);
if (grp) {
BKE_pose_remove_group(pose, grp, index);
}
}
/* ************** F-Curve Utilities for Actions ****************** */
/* Check if the given action has any keyframes */
bool action_has_motion(const bAction *act)
{
FCurve *fcu;
/* return on the first F-Curve that has some keyframes/samples defined */
if (act) {
for (fcu = act->curves.first; fcu; fcu = fcu->next) {
if (fcu->totvert)
return true;
}
}
/* nothing found */
return false;
}
/* Calculate the extents of given action */
void calc_action_range(const bAction *act, float *start, float *end, short incl_modifiers)
{
FCurve *fcu;
float min = 999999999.0f, max = -999999999.0f;
short foundvert = 0, foundmod = 0;
if (act) {
for (fcu = act->curves.first; fcu; fcu = fcu->next) {
/* if curve has keyframes, consider them first */
if (fcu->totvert) {
float nmin, nmax;
/* get extents for this curve
* - no "selected only", since this is often used in the backend
* - no "minimum length" (we will apply this later), otherwise
* single-keyframe curves will increase the overall length by
* a phantom frame (T50354)
*/
calc_fcurve_range(fcu, &nmin, &nmax, false, false);
/* compare to the running tally */
min = min_ff(min, nmin);
max = max_ff(max, nmax);
foundvert = 1;
}
/* if incl_modifiers is enabled, need to consider modifiers too
* - only really care about the last modifier
*/
if ((incl_modifiers) && (fcu->modifiers.last)) {
FModifier *fcm = fcu->modifiers.last;
/* only use the maximum sensible limits of the modifiers if they are more extreme */
switch (fcm->type) {
case FMODIFIER_TYPE_LIMITS: /* Limits F-Modifier */
{
FMod_Limits *fmd = (FMod_Limits *)fcm->data;
if (fmd->flag & FCM_LIMIT_XMIN) {
min = min_ff(min, fmd->rect.xmin);
}
if (fmd->flag & FCM_LIMIT_XMAX) {
max = max_ff(max, fmd->rect.xmax);
}
break;
}
case FMODIFIER_TYPE_CYCLES: /* Cycles F-Modifier */
{
FMod_Cycles *fmd = (FMod_Cycles *)fcm->data;
if (fmd->before_mode != FCM_EXTRAPOLATE_NONE)
min = MINAFRAMEF;
if (fmd->after_mode != FCM_EXTRAPOLATE_NONE)
max = MAXFRAMEF;
break;
}
/* TODO: function modifier may need some special limits */
default: /* all other standard modifiers are on the infinite range... */
min = MINAFRAMEF;
max = MAXFRAMEF;
break;
}
foundmod = 1;
}
}
}
if (foundvert || foundmod) {
/* ensure that action is at least 1 frame long (for NLA strips to have a valid length) */
if (min == max) max += 1.0f;
*start = min;
*end = max;
}
else {
*start = 0.0f;
*end = 1.0f;
}
}
/* Return flags indicating which transforms the given object/posechannel has
* - if 'curves' is provided, a list of links to these curves are also returned
*/
short action_get_item_transforms(bAction *act, Object *ob, bPoseChannel *pchan, ListBase *curves)
{
PointerRNA ptr;
FCurve *fcu;
char *basePath = NULL;
short flags = 0;
/* build PointerRNA from provided data to obtain the paths to use */
if (pchan)
RNA_pointer_create((ID *)ob, &RNA_PoseBone, pchan, &ptr);
else if (ob)
RNA_id_pointer_create((ID *)ob, &ptr);
else
return 0;
/* get the basic path to the properties of interest */
basePath = RNA_path_from_ID_to_struct(&ptr);
if (basePath == NULL)
return 0;
/* search F-Curves for the given properties
* - we cannot use the groups, since they may not be grouped in that way...
*/
for (fcu = act->curves.first; fcu; fcu = fcu->next) {
const char *bPtr = NULL, *pPtr = NULL;
/* if enough flags have been found, we can stop checking unless we're also getting the curves */
if ((flags == ACT_TRANS_ALL) && (curves == NULL))
break;
/* just in case... */
if (fcu->rna_path == NULL)
continue;
/* step 1: check for matching base path */
bPtr = strstr(fcu->rna_path, basePath);
if (bPtr) {
/* we must add len(basePath) bytes to the match so that we are at the end of the
* base path so that we don't get false positives with these strings in the names
*/
bPtr += strlen(basePath);
/* step 2: check for some property with transforms
* - to speed things up, only check for the ones not yet found
* unless we're getting the curves too
* - if we're getting the curves, the BLI_genericNodeN() creates a LinkData
* node wrapping the F-Curve, which then gets added to the list
* - once a match has been found, the curve cannot possibly be any other one
*/
if ((curves) || (flags & ACT_TRANS_LOC) == 0) {
pPtr = strstr(bPtr, "location");
if (pPtr) {
flags |= ACT_TRANS_LOC;
if (curves)
BLI_addtail(curves, BLI_genericNodeN(fcu));
continue;
}
}
if ((curves) || (flags & ACT_TRANS_SCALE) == 0) {
pPtr = strstr(bPtr, "scale");
if (pPtr) {
flags |= ACT_TRANS_SCALE;
if (curves)
BLI_addtail(curves, BLI_genericNodeN(fcu));
continue;
}
}
if ((curves) || (flags & ACT_TRANS_ROT) == 0) {
pPtr = strstr(bPtr, "rotation");
if (pPtr) {
flags |= ACT_TRANS_ROT;
if (curves)
BLI_addtail(curves, BLI_genericNodeN(fcu));
continue;
}
}
if ((curves) || (flags & ACT_TRANS_BBONE) == 0) {
/* bbone shape properties */
pPtr = strstr(bPtr, "bbone_");
if (pPtr) {
flags |= ACT_TRANS_BBONE;
if (curves)
BLI_addtail(curves, BLI_genericNodeN(fcu));
continue;
}
}
if ((curves) || (flags & ACT_TRANS_PROP) == 0) {
/* custom properties only */
pPtr = strstr(bPtr, "[\""); /* extra '"' comment here to keep my texteditor functionlist working :) */
if (pPtr) {
flags |= ACT_TRANS_PROP;
if (curves)
BLI_addtail(curves, BLI_genericNodeN(fcu));
continue;
}
}
}
}
/* free basePath */
MEM_freeN(basePath);
/* return flags found */
return flags;
}
/* ************** Pose Management Tools ****************** */
/* Copy the data from the action-pose (src) into the pose */
/* both args are assumed to be valid */
/* exported to game engine */
/* Note! this assumes both poses are aligned, this isn't always true when dealing with user poses */
void extract_pose_from_pose(bPose *pose, const bPose *src)
{
const bPoseChannel *schan;
bPoseChannel *pchan = pose->chanbase.first;
if (pose == src) {
printf("extract_pose_from_pose source and target are the same\n");
return;
}
for (schan = src->chanbase.first; (schan && pchan); schan = schan->next, pchan = pchan->next) {
copy_pose_channel_data(pchan, schan);
}
}
/* for do_all_pose_actions, clears the pose. Now also exported for proxy and tools */
void BKE_pose_rest(bPose *pose)
{
bPoseChannel *pchan;
if (!pose)
return;
memset(pose->stride_offset, 0, sizeof(pose->stride_offset));
memset(pose->cyclic_offset, 0, sizeof(pose->cyclic_offset));
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
zero_v3(pchan->loc);
zero_v3(pchan->eul);
unit_qt(pchan->quat);
unit_axis_angle(pchan->rotAxis, &pchan->rotAngle);
pchan->size[0] = pchan->size[1] = pchan->size[2] = 1.0f;
pchan->roll1 = pchan->roll2 = 0.0f;
pchan->curveInX = pchan->curveInY = 0.0f;
pchan->curveOutX = pchan->curveOutY = 0.0f;
pchan->ease1 = pchan->ease2 = 0.0f;
pchan->scaleIn = pchan->scaleOut = 1.0f;
pchan->flag &= ~(POSE_LOC | POSE_ROT | POSE_SIZE | POSE_BBONE_SHAPE);
}
}
/* both poses should be in sync */
bool BKE_pose_copy_result(bPose *to, bPose *from)
{
bPoseChannel *pchanto, *pchanfrom;
if (to == NULL || from == NULL) {
printf("Pose copy error, pose to:%p from:%p\n", (void *)to, (void *)from); /* debug temp */
return false;
}
if (to == from) {
printf("BKE_pose_copy_result source and target are the same\n");
return false;
}
for (pchanfrom = from->chanbase.first; pchanfrom; pchanfrom = pchanfrom->next) {
pchanto = BKE_pose_channel_find_name(to, pchanfrom->name);
if (pchanto) {
copy_m4_m4(pchanto->pose_mat, pchanfrom->pose_mat);
copy_m4_m4(pchanto->chan_mat, pchanfrom->chan_mat);
/* used for local constraints */
copy_v3_v3(pchanto->loc, pchanfrom->loc);
copy_qt_qt(pchanto->quat, pchanfrom->quat);
copy_v3_v3(pchanto->eul, pchanfrom->eul);
copy_v3_v3(pchanto->size, pchanfrom->size);
copy_v3_v3(pchanto->pose_head, pchanfrom->pose_head);
copy_v3_v3(pchanto->pose_tail, pchanfrom->pose_tail);
pchanto->roll1 = pchanfrom->roll1;
pchanto->roll2 = pchanfrom->roll2;
pchanto->curveInX = pchanfrom->curveInX;
pchanto->curveInY = pchanfrom->curveInY;
pchanto->curveOutX = pchanfrom->curveOutX;
pchanto->curveOutY = pchanfrom->curveOutY;
pchanto->ease1 = pchanfrom->ease1;
pchanto->ease2 = pchanfrom->ease2;
pchanto->scaleIn = pchanfrom->scaleIn;
pchanto->scaleOut = pchanfrom->scaleOut;
pchanto->rotmode = pchanfrom->rotmode;
pchanto->flag = pchanfrom->flag;
pchanto->protectflag = pchanfrom->protectflag;
pchanto->bboneflag = pchanfrom->bboneflag;
}
}
return true;
}
/* Tag pose for recalc. Also tag all related data to be recalc. */
void BKE_pose_tag_recalc(Main *bmain, bPose *pose)
{
pose->flag |= POSE_RECALC;
/* Depsgraph components depends on actual pose state,
* if pose was changed depsgraph is to be updated as well.
*/
DAG_relations_tag_update(bmain);
}
/* For the calculation of the effects of an Action at the given frame on an object
* This is currently only used for the Action Constraint
*/
void what_does_obaction(Object *ob, Object *workob, bPose *pose, bAction *act, char groupname[], float cframe)
{
bActionGroup *agrp = BKE_action_group_find_name(act, groupname);
/* clear workob */
BKE_object_workob_clear(workob);
/* init workob */
copy_m4_m4(workob->obmat, ob->obmat);
copy_m4_m4(workob->parentinv, ob->parentinv);
copy_m4_m4(workob->constinv, ob->constinv);
workob->parent = ob->parent;
workob->rotmode = ob->rotmode;
workob->trackflag = ob->trackflag;
workob->upflag = ob->upflag;
workob->partype = ob->partype;
workob->par1 = ob->par1;
workob->par2 = ob->par2;
workob->par3 = ob->par3;
workob->constraints.first = ob->constraints.first;
workob->constraints.last = ob->constraints.last;
workob->pose = pose; /* need to set pose too, since this is used for both types of Action Constraint */
if (pose) {
/* This function is most likely to be used with a temporary pose with a single bone in there.
* For such cases it makes no sense to create hash since it'll only waste CPU ticks on memory
* allocation and also will make lookup slower.
*/
if (pose->chanbase.first != pose->chanbase.last) {
BKE_pose_channels_hash_make(pose);
}
if (pose->flag & POSE_CONSTRAINTS_NEED_UPDATE_FLAGS) {
BKE_pose_update_constraint_flags(pose);
}
}
BLI_strncpy(workob->parsubstr, ob->parsubstr, sizeof(workob->parsubstr));
BLI_strncpy(workob->id.name, "OB<ConstrWorkOb>", sizeof(workob->id.name)); /* we don't use real object name, otherwise RNA screws with the real thing */
/* if we're given a group to use, it's likely to be more efficient (though a bit more dangerous) */
if (agrp) {
/* specifically evaluate this group only */
PointerRNA id_ptr;
/* get RNA-pointer for the workob's ID */
RNA_id_pointer_create(&workob->id, &id_ptr);
/* execute action for this group only */
animsys_evaluate_action_group(&id_ptr, act, agrp, NULL, cframe);
}
else {
AnimData adt = {NULL};
/* init animdata, and attach to workob */
workob->adt = &adt;
adt.recalc = ADT_RECALC_ANIM;
adt.action = act;
/* execute effects of Action on to workob (or it's PoseChannels) */
BKE_animsys_evaluate_animdata(NULL, &workob->id, &adt, cframe, ADT_RECALC_ANIM);
}
}
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