diff options
Diffstat (limited to 'source/blender/blenkernel/intern/constraint.c')
| -rw-r--r-- | source/blender/blenkernel/intern/constraint.c | 157 |
1 files changed, 4 insertions, 153 deletions
diff --git a/source/blender/blenkernel/intern/constraint.c b/source/blender/blenkernel/intern/constraint.c index f83428766f9..f5613a34700 100644 --- a/source/blender/blenkernel/intern/constraint.c +++ b/source/blender/blenkernel/intern/constraint.c @@ -80,157 +80,6 @@ #endif -/* ******************* Constraint Channels ********************** */ -/* Constraint Channels exist in one of two places: - * - Under Action Channels in an Action (act->chanbase->achan->constraintChannels) - * - Under Object without Object-level Action yet (ob->constraintChannels) - * - * The main purpose that Constraint Channels serve is to act as a link - * between an IPO-block (which provides values to interpolate between for some settings) - */ - -/* ------------ Data Management ----------- */ - -/* Free constraint channels, and reduce the number of users of the related ipo-blocks */ -void free_constraint_channels (ListBase *chanbase) -{ - bConstraintChannel *chan; - - for (chan=chanbase->first; chan; chan=chan->next) { - if (chan->ipo) { - chan->ipo->id.us--; - } - } - - BLI_freelistN(chanbase); -} - -/* Make a copy of the constraint channels from dst to src, and also give the - * new constraint channels their own copy of the original's IPO. - */ -void copy_constraint_channels (ListBase *dst, ListBase *src) -{ - bConstraintChannel *dchan, *schan; - - dst->first = dst->last = NULL; - BLI_duplicatelist(dst, src); - - for (dchan=dst->first, schan=src->first; dchan; dchan=dchan->next, schan=schan->next) { - dchan->ipo = copy_ipo(schan->ipo); - } -} - -/* Make a copy of the constraint channels from dst to src, but make the - * new constraint channels use the same IPO-data as their twin. - */ -void clone_constraint_channels (ListBase *dst, ListBase *src) -{ - bConstraintChannel *dchan, *schan; - - dst->first = dst->last = NULL; - BLI_duplicatelist(dst, src); - - for (dchan=dst->first, schan=src->first; dchan; dchan=dchan->next, schan=schan->next) { - id_us_plus((ID *)dchan->ipo); - } -} - -/* ------------- Constraint Channel Tools ------------ */ - -/* Find the constraint channel with a given name */ -bConstraintChannel *get_constraint_channel (ListBase *list, const char name[]) -{ - bConstraintChannel *chan; - - if (list) { - for (chan = list->first; chan; chan=chan->next) { - if (!strcmp(name, chan->name)) { - return chan; - } - } - } - - return NULL; -} - -/* Find or create a new constraint channel */ -bConstraintChannel *verify_constraint_channel (ListBase *list, const char name[]) -{ - bConstraintChannel *chan; - - chan= get_constraint_channel(list, name); - - if (chan == NULL) { - chan= MEM_callocN(sizeof(bConstraintChannel), "new constraint channel"); - BLI_addtail(list, chan); - strcpy(chan->name, name); - } - - return chan; -} - -/* --------- Constraint Channel Evaluation/Execution --------- */ - -/* IPO-system call: calculate IPO-block for constraint channels, and flush that - * info onto the corresponding constraint. - */ -void do_constraint_channels (ListBase *conbase, ListBase *chanbase, float ctime, short onlydrivers) -{ - bConstraint *con; - - /* for each Constraint, calculate its Influence from the corresponding ConstraintChannel */ - for (con=conbase->first; con; con=con->next) { - Ipo *ipo= NULL; - - if (con->flag & CONSTRAINT_OWN_IPO) - ipo= con->ipo; - else { - bConstraintChannel *chan = get_constraint_channel(chanbase, con->name); - if (chan) ipo= chan->ipo; - } - - if (ipo) { - IpoCurve *icu; - - calc_ipo(ipo, ctime); - - for (icu=ipo->curve.first; icu; icu=icu->next) { - if (!onlydrivers || icu->driver) { - switch (icu->adrcode) { - case CO_ENFORCE: - { - /* Influence is clamped to 0.0f -> 1.0f range */ - con->enforce = CLAMPIS(icu->curval, 0.0f, 1.0f); - } - break; - case CO_HEADTAIL: - { - /* we need to check types of constraints that can get this here, as user - * may have created an IPO-curve for this from IPO-editor but for a constraint - * that cannot support this - */ - switch (con->type) { - /* supported constraints go here... */ - case CONSTRAINT_TYPE_LOCLIKE: - case CONSTRAINT_TYPE_TRACKTO: - case CONSTRAINT_TYPE_MINMAX: - case CONSTRAINT_TYPE_STRETCHTO: - case CONSTRAINT_TYPE_DISTLIMIT: - con->headtail = icu->curval; - break; - - default: - /* not supported */ - break; - } - } - break; - } - } - } - } - } -} /* ************************ Constraints - General Utilities *************************** */ /* These functions here don't act on any specific constraints, and are therefore should/will @@ -1303,10 +1152,12 @@ static void followpath_get_tarmat (bConstraint *con, bConstraintOb *cob, bConstr if (cu->path && cu->path->data) { curvetime= bsystem_time(cob->scene, ct->tar, (float)ctime, 0.0) - data->offset; +#if 0 // XXX old animation system if (calc_ipo_spec(cu->ipo, CU_SPEED, &curvetime)==0) { curvetime /= cu->pathlen; CLAMP(curvetime, 0.0, 1.0); } +#endif // XXX old animation system if ( where_on_path(ct->tar, curvetime, vec, dir) ) { if (data->followflag) { @@ -2053,7 +1904,7 @@ static void actcon_get_tarmat (bConstraint *con, bConstraintOb *cob, bConstraint else if (cob->type == CONSTRAINT_OBTYPE_OBJECT) { Object workob; /* evaluate using workob */ - what_does_obaction(cob->scene, cob->ob, &workob, data->act, t); + //what_does_obaction(cob->scene, cob->ob, &workob, data->act, t); // FIXME: missing func... object_to_mat4(&workob, ct->matrix); } else { @@ -3550,7 +3401,7 @@ void solve_constraints (ListBase *conlist, bConstraintOb *cob, float ctime) if (con->enforce == 0.0f) continue; /* influence of constraint - * - value should have been set from IPO's/Constraint Channels already + * - value should have been set from animation data already */ enf = con->enforce; |