diff options
Diffstat (limited to 'source/blender/src/editconstraint.c')
| -rw-r--r-- | source/blender/src/editconstraint.c | 990 |
1 files changed, 0 insertions, 990 deletions
diff --git a/source/blender/src/editconstraint.c b/source/blender/src/editconstraint.c deleted file mode 100644 index 42972e4aa5d..00000000000 --- a/source/blender/src/editconstraint.c +++ /dev/null @@ -1,990 +0,0 @@ -/** - * $Id$ - * - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): Joshua Leung - * - * ***** END GPL LICENSE BLOCK ***** - */ - -#include <stdio.h> -#include <string.h> - -#include "MEM_guardedalloc.h" - -#include "BLI_blenlib.h" -#include "BLI_arithb.h" -#include "BLI_dynstr.h" - -#include "DNA_action_types.h" -#include "DNA_armature_types.h" -#include "DNA_constraint_types.h" -#include "DNA_curve_types.h" -#include "DNA_object_types.h" -#include "DNA_scene_types.h" -#include "DNA_screen_types.h" -#include "DNA_text_types.h" -#include "DNA_view3d_types.h" - -#include "BKE_action.h" -#include "BKE_armature.h" -#include "BKE_constraint.h" -#include "BKE_depsgraph.h" -#include "BKE_global.h" -#include "BKE_main.h" -#include "BKE_ipo.h" -#include "BKE_object.h" -#include "BKE_utildefines.h" - -#include "BIF_editaction.h" -#include "BIF_editarmature.h" -#include "BIF_editconstraint.h" -#include "BIF_poseobject.h" -#include "BIF_interface.h" -#include "BIF_screen.h" -#include "BIF_space.h" -#include "BIF_toolbox.h" - -#ifndef DISABLE_PYTHON -#include "BPY_extern.h" -#endif - -#include "blendef.h" -#include "nla.h" -#include "mydevice.h" - -/* -------------- Get Active Constraint Data ---------------------- */ - -ListBase *get_active_constraint_channels (Object *ob, int forcevalid) -{ - char ipstr[64]; - - if (ob == NULL) - return NULL; - - /* See if we are a bone constraint */ - if (ob->flag & OB_POSEMODE) { - bActionChannel *achan; - bPoseChannel *pchan; - - pchan = get_active_posechannel(ob); - if (pchan) { - /* Make sure we have an action */ - if (ob->action == NULL) { - if (forcevalid == 0) - return NULL; - - ob->action= add_empty_action("Action"); - } - - /* Make sure we have an actionchannel */ - achan = get_action_channel(ob->action, pchan->name); - if (achan == NULL) { - if (forcevalid == 0) - return NULL; - - achan = MEM_callocN (sizeof(bActionChannel), "ActionChannel"); - - strcpy(achan->name, pchan->name); - sprintf(ipstr, "%s.%s", ob->action->id.name+2, achan->name); - ipstr[23]=0; - achan->ipo= add_ipo(ipstr, ID_AC); - - BLI_addtail(&ob->action->chanbase, achan); - } - - return &achan->constraintChannels; - } - else - return NULL; - } - /* else we return object constraints */ - else { - if (ob->ipoflag & OB_ACTION_OB) { - bActionChannel *achan = get_action_channel(ob->action, "Object"); - if (achan) - return &achan->constraintChannels; - else - return NULL; - } - - return &ob->constraintChannels; - } -} - - -/* if object in posemode, active bone constraints, else object constraints */ -ListBase *get_active_constraints (Object *ob) -{ - if (ob == NULL) - return NULL; - - if (ob->flag & OB_POSEMODE) { - bPoseChannel *pchan; - - pchan = get_active_posechannel(ob); - if (pchan) - return &pchan->constraints; - } - else - return &ob->constraints; - - return NULL; -} - -/* single constraint */ -bConstraint *get_active_constraint (Object *ob) -{ - ListBase *lb= get_active_constraints(ob); - - if (lb) { - bConstraint *con; - - for (con= lb->first; con; con=con->next) { - if (con->flag & CONSTRAINT_ACTIVE) - return con; - } - } - - return NULL; -} - -/* single channel, for ipo */ -bConstraintChannel *get_active_constraint_channel (Object *ob) -{ - bConstraint *con; - bConstraintChannel *chan; - - if (ob->flag & OB_POSEMODE) { - if (ob->action) { - bPoseChannel *pchan; - - pchan = get_active_posechannel(ob); - if (pchan) { - for (con= pchan->constraints.first; con; con= con->next) { - if (con->flag & CONSTRAINT_ACTIVE) - break; - } - - if (con) { - bActionChannel *achan = get_action_channel(ob->action, pchan->name); - if (achan) { - for (chan= achan->constraintChannels.first; chan; chan= chan->next) { - if (!strcmp(chan->name, con->name)) - break; - } - return chan; - } - } - } - } - } - else { - for (con= ob->constraints.first; con; con= con->next) { - if (con->flag & CONSTRAINT_ACTIVE) - break; - } - - if (con) { - ListBase *lb= get_active_constraint_channels(ob, 0); - - if (lb) { - for (chan= lb->first; chan; chan= chan->next) { - if (!strcmp(chan->name, con->name)) - break; - } - - return chan; - } - } - } - - return NULL; -} - -/* -------------- Constraint Management (Add New, Remove, Rename) -------------------- */ - -/* Creates a new constraint, initialises its data, and returns it */ -bConstraint *add_new_constraint (short type) -{ - bConstraint *con; - bConstraintTypeInfo *cti; - - con = MEM_callocN(sizeof(bConstraint), "Constraint"); - - /* Set up a generic constraint datablock */ - con->type = type; - con->flag |= CONSTRAINT_EXPAND; - con->enforce = 1.0F; - strcpy(con->name, "Const"); - - /* Load the data for it */ - cti = constraint_get_typeinfo(con); - if (cti) { - con->data = MEM_callocN(cti->size, cti->structName); - - /* only constraints that change any settings need this */ - if (cti->new_data) - cti->new_data(con->data); - } - - return con; -} - -/* Adds the given constraint to the Object-level set of constraints for the given Object */ -void add_constraint_to_object (bConstraint *con, Object *ob) -{ - ListBase *list; - list = &ob->constraints; - - if (list) { - unique_constraint_name(con, list); - BLI_addtail(list, con); - - if (proxylocked_constraints_owner(ob, NULL)) - con->flag |= CONSTRAINT_PROXY_LOCAL; - - con->flag |= CONSTRAINT_ACTIVE; - for (con= con->prev; con; con= con->prev) - con->flag &= ~CONSTRAINT_ACTIVE; - } -} - -/* helper function for add_constriant - sets the last target for the active constraint */ -static void set_constraint_nth_target (bConstraint *con, Object *target, char subtarget[], int index) -{ - bConstraintTypeInfo *cti= constraint_get_typeinfo(con); - ListBase targets = {NULL, NULL}; - bConstraintTarget *ct; - int num_targets, i; - - if (cti && cti->get_constraint_targets) { - cti->get_constraint_targets(con, &targets); - num_targets= BLI_countlist(&targets); - - if (index < 0) { - if (abs(index) < num_targets) - index= num_targets - abs(index); - else - index= num_targets - 1; - } - else if (index >= num_targets) { - index= num_targets - 1; - } - - for (ct=targets.first, i=0; ct; ct= ct->next, i++) { - if (i == index) { - ct->tar= target; - strcpy(ct->subtarget, subtarget); - break; - } - } - - if (cti->flush_constraint_targets) - cti->flush_constraint_targets(con, &targets, 0); - } -} - -/* context: active object in posemode, active channel, optional selected channel */ -void add_constraint (short only_IK) -{ - Object *ob= OBACT, *obsel=NULL; - bPoseChannel *pchanact=NULL, *pchansel=NULL; - bConstraint *con=NULL; - Base *base; - short nr; - - /* paranoia checks */ - if ((ob==NULL) || (ob==G.obedit)) - return; - - if ((ob->pose) && (ob->flag & OB_POSEMODE)) { - bArmature *arm= ob->data; - - /* find active channel */ - pchanact= get_active_posechannel(ob); - if (pchanact==NULL) - return; - - /* find selected bone */ - for (pchansel=ob->pose->chanbase.first; pchansel; pchansel=pchansel->next) { - if (pchansel != pchanact) { - if (pchansel->bone->flag & BONE_SELECTED) { - if (pchansel->bone->layer & arm->layer) - break; - } - } - } - } - - /* find selected object */ - for (base= FIRSTBASE; base; base= base->next) { - if ((TESTBASE(base)) && (base->object!=ob)) - obsel= base->object; - } - - /* the only_IK caller has checked for posemode! */ - if (only_IK) { - for (con= pchanact->constraints.first; con; con= con->next) { - if (con->type==CONSTRAINT_TYPE_KINEMATIC) break; - } - if (con) { - error("Pose Channel already has IK"); - return; - } - - if (pchansel) - nr= pupmenu("Add IK Constraint%t|To Active Bone%x10"); - else if (obsel) - nr= pupmenu("Add IK Constraint%t|To Active Object%x10"); - else - nr= pupmenu("Add IK Constraint%t|To New Empty Object%x10|Without Target%x11"); - } - else { - if (pchanact) { - if (pchansel) - nr= pupmenu("Add Constraint to Active Bone%t|Child Of%x19|Transformation%x20|%l|Copy Location%x1|Copy Rotation%x2|Copy Scale%x8|%l|Limit Location%x13|Limit Rotation%x14|Limit Scale%x15|Limit Distance%x21|%l|Track To%x3|Floor%x4|Locked Track%x5|Stretch To%x7|%l|Action%x16|Script%x18"); - else if ((obsel) && (obsel->type==OB_CURVE)) - nr= pupmenu("Add Constraint to Active Object%t|Child Of%x19|Transformation%x20|%l|Copy Location%x1|Copy Rotation%x2|Copy Scale%x8|%l|Limit Location%x13|Limit Rotation%x14|Limit Scale%x15|Limit Distance%x21|%l|Track To%x3|Floor%x4|Locked Track%x5|Follow Path%x6|Clamp To%x17|Stretch To%x7|%l|Action%x16|Script%x18"); - else if (obsel) - nr= pupmenu("Add Constraint to Active Object%t|Child Of%x19|Transformation%x20|%l|Copy Location%x1|Copy Rotation%x2|Copy Scale%x8|%l|Limit Location%x13|Limit Rotation%x14|Limit Scale%x15|Limit Distance%x21|%l|Track To%x3|Floor%x4|Locked Track%x5|Stretch To%x7|%l|Action%x16|Script%x18"); - else - nr= pupmenu("Add Constraint to New Empty Object%t|Child Of%x19|Transformation%x20|%l|Copy Location%x1|Copy Rotation%x2|Copy Scale%x8|%l|Limit Location%x13|Limit Rotation%x14|Limit Scale%x15|Limit Distance%x21|%l|Track To%x3|Floor%x4|Locked Track%x5|Stretch To%x7|%l|Action%x16|Script%x18"); - } - else { - if ((obsel) && (obsel->type==OB_CURVE)) - nr= pupmenu("Add Constraint to Active Object%t|Child Of%x19|Transformation%x20|%l|Copy Location%x1|Copy Rotation%x2|Copy Scale%x8|%l|Limit Location%x13|Limit Rotation%x14|Limit Scale%x15|Limit Distance%x21|%l|Track To%x3|Floor%x4|Locked Track%x5|Follow Path%x6|Clamp To%x17|%l|Action%x16|Script%x18"); - else if (obsel) - nr= pupmenu("Add Constraint to Active Object%t|Child Of%x19|Transformation%x20|%l|Copy Location%x1|Copy Rotation%x2|Copy Scale%x8|%l|Limit Location%x13|Limit Rotation%x14|Limit Scale%x15|Limit Distance%x21|%l|Track To%x3|Floor%x4|Locked Track%x5|%l|Action%x16|Script%x18"); - else - nr= pupmenu("Add Constraint to New Empty Object%t|Child Of%x19|Transformation%x20|%l|Copy Location%x1|Copy Rotation%x2|Copy Scale%x8|%l|Limit Location%x13|Limit Rotation%x14|Limit Scale%x15|Limit Distance%x21|%l|Track To%x3|Floor%x4|Locked Track%x5|%l|Action%x16|Script%x18"); - } - } - - if (nr < 1) return; - - /* handle IK separate */ - if (nr==10 || nr==11) { - /* ik - prevent weird chains... */ - if (pchansel) { - bPoseChannel *pchan= pchanact; - while (pchan) { - if (pchan==pchansel) break; - pchan= pchan->parent; - } - if (pchan) { - error("IK root cannot be linked to IK tip"); - return; - } - - pchan= pchansel; - while (pchan) { - if (pchan==pchanact) break; - pchan= pchan->parent; - } - if (pchan) { - error("IK tip cannot be linked to IK root"); - return; - } - } - - con = add_new_constraint(CONSTRAINT_TYPE_KINEMATIC); - BLI_addtail(&pchanact->constraints, con); - unique_constraint_name(con, &pchanact->constraints); - pchanact->constflag |= PCHAN_HAS_IK; /* for draw, but also for detecting while pose solving */ - if (nr==11) - pchanact->constflag |= PCHAN_HAS_TARGET; - if (proxylocked_constraints_owner(ob, pchanact)) - con->flag |= CONSTRAINT_PROXY_LOCAL; - } - else { - /* normal constraints - add data */ - if (nr==1) con = add_new_constraint(CONSTRAINT_TYPE_LOCLIKE); - else if (nr==2) con = add_new_constraint(CONSTRAINT_TYPE_ROTLIKE); - else if (nr==3) con = add_new_constraint(CONSTRAINT_TYPE_TRACKTO); - else if (nr==4) con = add_new_constraint(CONSTRAINT_TYPE_MINMAX); - else if (nr==5) con = add_new_constraint(CONSTRAINT_TYPE_LOCKTRACK); - else if (nr==6) { - Curve *cu= obsel->data; - cu->flag |= CU_PATH; - con = add_new_constraint(CONSTRAINT_TYPE_FOLLOWPATH); - } - else if (nr==7) con = add_new_constraint(CONSTRAINT_TYPE_STRETCHTO); - else if (nr==8) con = add_new_constraint(CONSTRAINT_TYPE_SIZELIKE); - else if (nr==13) con = add_new_constraint(CONSTRAINT_TYPE_LOCLIMIT); - else if (nr==14) con = add_new_constraint(CONSTRAINT_TYPE_ROTLIMIT); - else if (nr==15) con = add_new_constraint(CONSTRAINT_TYPE_SIZELIMIT); - else if (nr==16) { - /* TODO: add a popup-menu to display list of available actions to use (like for pyconstraints) */ - con = add_new_constraint(CONSTRAINT_TYPE_ACTION); - } - else if (nr==17) { - Curve *cu= obsel->data; - cu->flag |= CU_PATH; - con = add_new_constraint(CONSTRAINT_TYPE_CLAMPTO); - } - else if (nr==18) { - char *menustr; - int scriptint= 0; -#ifndef DISABLE_PYTHON - /* popup a list of usable scripts */ - menustr = buildmenu_pyconstraints(NULL, &scriptint); - scriptint = pupmenu(menustr); - MEM_freeN(menustr); - - /* only add constraint if a script was chosen */ - if (scriptint) { - /* add constraint */ - con = add_new_constraint(CONSTRAINT_TYPE_PYTHON); - validate_pyconstraint_cb(con->data, &scriptint); - - /* make sure target allowance is set correctly */ - BPY_pyconstraint_update(ob, con); - } -#endif - } - else if (nr==19) { - con = add_new_constraint(CONSTRAINT_TYPE_CHILDOF); - - /* if this constraint is being added to a posechannel, make sure - * the constraint gets evaluated in pose-space - */ - if (pchanact) { - con->ownspace = CONSTRAINT_SPACE_POSE; - con->flag |= CONSTRAINT_SPACEONCE; - } - } - else if (nr==20) con = add_new_constraint(CONSTRAINT_TYPE_TRANSFORM); - else if (nr==21) con = add_new_constraint(CONSTRAINT_TYPE_DISTLIMIT); - - if (con==NULL) return; /* paranoia */ - - if (pchanact) { - BLI_addtail(&pchanact->constraints, con); - unique_constraint_name(con, &pchanact->constraints); - pchanact->constflag |= PCHAN_HAS_CONST; /* for draw */ - if (proxylocked_constraints_owner(ob, pchanact)) - con->flag |= CONSTRAINT_PROXY_LOCAL; - } - else { - BLI_addtail(&ob->constraints, con); - unique_constraint_name(con, &ob->constraints); - if (proxylocked_constraints_owner(ob, NULL)) - con->flag |= CONSTRAINT_PROXY_LOCAL; - } - } - - /* set the target */ - if (pchansel) { - set_constraint_nth_target(con, ob, pchansel->name, 0); - } - else if (obsel) { - set_constraint_nth_target(con, obsel, "", 0); - } - else if (ELEM4(nr, 11, 13, 14, 15)==0) { /* add new empty as target */ - Base *base= BASACT, *newbase; - Object *obt; - - obt= add_object(OB_EMPTY); - /* set layers OK */ - newbase= BASACT; - newbase->lay= base->lay; - obt->lay= newbase->lay; - - /* transform cent to global coords for loc */ - if (pchanact) { - if (only_IK) - VecMat4MulVecfl(obt->loc, ob->obmat, pchanact->pose_tail); - else - VecMat4MulVecfl(obt->loc, ob->obmat, pchanact->pose_head); - } - else - VECCOPY(obt->loc, ob->obmat[3]); - - set_constraint_nth_target(con, obt, "", 0); - - /* restore, add_object sets active */ - BASACT= base; - base->flag |= SELECT; - } - - /* active flag */ - con->flag |= CONSTRAINT_ACTIVE; - for (con= con->prev; con; con= con->prev) - con->flag &= ~CONSTRAINT_ACTIVE; - - DAG_scene_sort(G.scene); // sort order of objects - - if (pchanact) { - ob->pose->flag |= POSE_RECALC; // sort pose channels - DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA); // and all its relations - } - else - DAG_object_flush_update(G.scene, ob, OB_RECALC_OB); // and all its relations - - allqueue(REDRAWVIEW3D, 0); - allqueue(REDRAWBUTSOBJECT, 0); - allqueue(REDRAWBUTSEDIT, 0); - allqueue(REDRAWOOPS, 0); - - if (only_IK) - BIF_undo_push("Add IK Constraint"); - else - BIF_undo_push("Add Constraint"); - -} - -/* Remove all constraints from the active object */ -void ob_clear_constraints (void) -{ - Object *ob= OBACT; - - /* paranoia checks */ - if ((ob==NULL) || (ob==G.obedit) || (ob->flag & OB_POSEMODE)) - return; - - /* get user permission */ - if (okee("Clear Constraints")==0) - return; - - /* do freeing */ - free_constraints(&ob->constraints); - - /* do updates */ - DAG_object_flush_update(G.scene, ob, OB_RECALC_OB); - - allqueue(REDRAWVIEW3D, 0); - allqueue(REDRAWBUTSOBJECT, 0); - allqueue(REDRAWOOPS, 0); - - BIF_undo_push("Clear Constraint(s)"); -} - -/* Rename the given constraint - * - con already has the new name - */ -void rename_constraint (Object *ob, bConstraint *con, char *oldname) -{ - bConstraint *tcon; - bConstraintChannel *conchan; - ListBase *conlist= NULL; - int from_object= 0; - char *channame=""; - - /* get context by searching for con (primitive...) */ - for (tcon= ob->constraints.first; tcon; tcon= tcon->next) { - if (tcon==con) - break; - } - - if (tcon) { - conlist= &ob->constraints; - channame= "Object"; - from_object= 1; - } - else if (ob->pose) { - bPoseChannel *pchan; - - for (pchan=ob->pose->chanbase.first; pchan; pchan=pchan->next) { - for (tcon= pchan->constraints.first; tcon; tcon= tcon->next) { - if (tcon==con) - break; - } - if (tcon) - break; - } - - if (tcon) { - conlist= &pchan->constraints; - channame= pchan->name; - } - } - - if (conlist==NULL) { - printf("rename constraint failed\n"); /* should not happen in UI */ - return; - } - - /* first make sure it's a unique name within context */ - unique_constraint_name (con, conlist); - - /* own channels */ - if (from_object) { - for (conchan= ob->constraintChannels.first; conchan; conchan= conchan->next) { - if ( strcmp(oldname, conchan->name)==0 ) - BLI_strncpy(conchan->name, con->name, sizeof(conchan->name)); - } - } - - /* own action */ - if (ob->action) { - bActionChannel *achan= get_action_channel(ob->action, channame); - if (achan) { - conchan= get_constraint_channel(&achan->constraintChannels, oldname); - if (conchan) - BLI_strncpy(conchan->name, con->name, sizeof(conchan->name)); - } - } -} - - -/* ------------- Constraint Sanity Testing ------------------- */ - -/* checks validity of object pointers, and NULLs, - * if Bone doesnt exist it sets the CONSTRAINT_DISABLE flag - */ -static void test_constraints (Object *owner, const char substring[]) -{ - bConstraint *curcon; - ListBase *conlist= NULL; - int type; - - if (owner==NULL) return; - - /* Check parents */ - if (strlen(substring)) { - switch (owner->type) { - case OB_ARMATURE: - type = CONSTRAINT_OBTYPE_BONE; - break; - default: - type = CONSTRAINT_OBTYPE_OBJECT; - break; - } - } - else - type = CONSTRAINT_OBTYPE_OBJECT; - - /* Get the constraint list for this object */ - switch (type) { - case CONSTRAINT_OBTYPE_OBJECT: - conlist = &owner->constraints; - break; - case CONSTRAINT_OBTYPE_BONE: - { - Bone *bone; - bPoseChannel *chan; - - bone = get_named_bone( ((bArmature *)owner->data), substring ); - chan = get_pose_channel(owner->pose, substring); - if (bone && chan) { - conlist = &chan->constraints; - } - } - break; - } - - /* Check all constraints - is constraint valid? */ - if (conlist) { - for (curcon = conlist->first; curcon; curcon=curcon->next) { - bConstraintTypeInfo *cti= constraint_get_typeinfo(curcon); - ListBase targets = {NULL, NULL}; - bConstraintTarget *ct; - - /* clear disabled-flag first */ - curcon->flag &= ~CONSTRAINT_DISABLE; - -#ifndef DISABLE_PYTHON - /* Check specialised data (settings) for constraints that need this */ - if (curcon->type == CONSTRAINT_TYPE_PYTHON) { - bPythonConstraint *data = curcon->data; - - /* is there are valid script? */ - if (data->text == NULL) { - curcon->flag |= CONSTRAINT_DISABLE; - } - else if (BPY_is_pyconstraint(data->text)==0) { - curcon->flag |= CONSTRAINT_DISABLE; - } else { - /* does the constraint require target input... also validates targets */ - BPY_pyconstraint_update(owner, curcon); - } - /* targets have already been checked for this */ - continue; - } - else -#endif - if (curcon->type == CONSTRAINT_TYPE_KINEMATIC) { - bKinematicConstraint *data = curcon->data; - - /* bad: we need a separate set of checks here as poletarget is - * optional... otherwise poletarget must exist too or else - * the constraint is deemed invalid - */ - if (exist_object(data->tar) == 0) { - data->tar = NULL; - curcon->flag |= CONSTRAINT_DISABLE; - } - else if (data->tar == owner) { - if (!get_named_bone(get_armature(owner), data->subtarget)) { - curcon->flag |= CONSTRAINT_DISABLE; - } - } - - if (data->poletar) { - if (exist_object(data->poletar) == 0) { - data->poletar = NULL; - curcon->flag |= CONSTRAINT_DISABLE; - } - else if (data->poletar == owner) { - if (!get_named_bone(get_armature(owner), data->polesubtarget)) { - curcon->flag |= CONSTRAINT_DISABLE; - } - } - } - - /* targets have already been checked for this */ - continue; - } - else if (curcon->type == CONSTRAINT_TYPE_ACTION) { - bActionConstraint *data = curcon->data; - - /* validate action */ - if (data->act == NULL) - curcon->flag |= CONSTRAINT_DISABLE; - } - else if (curcon->type == CONSTRAINT_TYPE_FOLLOWPATH) { - bFollowPathConstraint *data = curcon->data; - - /* don't allow track/up axes to be the same */ - if (data->upflag==data->trackflag) - curcon->flag |= CONSTRAINT_DISABLE; - if (data->upflag+3==data->trackflag) - curcon->flag |= CONSTRAINT_DISABLE; - } - else if (curcon->type == CONSTRAINT_TYPE_TRACKTO) { - bTrackToConstraint *data = curcon->data; - - /* don't allow track/up axes to be the same */ - if (data->reserved2==data->reserved1) - curcon->flag |= CONSTRAINT_DISABLE; - if (data->reserved2+3==data->reserved1) - curcon->flag |= CONSTRAINT_DISABLE; - } - else if (curcon->type == CONSTRAINT_TYPE_LOCKTRACK) { - bLockTrackConstraint *data = curcon->data; - - if (data->lockflag==data->trackflag) - curcon->flag |= CONSTRAINT_DISABLE; - if (data->lockflag+3==data->trackflag) - curcon->flag |= CONSTRAINT_DISABLE; - } - - /* Check targets for constraints */ - if (cti && cti->get_constraint_targets) { - cti->get_constraint_targets(curcon, &targets); - - /* disable and clear constraints targets that are incorrect */ - for (ct= targets.first; ct; ct= ct->next) { - /* general validity checks (for those constraints that need this) */ - if (exist_object(ct->tar) == 0) { - ct->tar = NULL; - curcon->flag |= CONSTRAINT_DISABLE; - } - else if (ct->tar == owner) { - if (!get_named_bone(get_armature(owner), ct->subtarget)) { - curcon->flag |= CONSTRAINT_DISABLE; - } - } - - /* target checks for specific constraints */ - if (ELEM(curcon->type, CONSTRAINT_TYPE_FOLLOWPATH, CONSTRAINT_TYPE_CLAMPTO)) { - if (ct->tar) { - if (ct->tar->type != OB_CURVE) { - ct->tar= NULL; - curcon->flag |= CONSTRAINT_DISABLE; - } - else { - Curve *cu= ct->tar->data; - - /* auto-set 'Path' setting on curve so this works */ - cu->flag |= CU_PATH; - } - } - } - } - - /* free any temporary targets */ - if (cti->flush_constraint_targets) - cti->flush_constraint_targets(curcon, &targets, 0); - } - } - } -} - -static void test_bonelist_constraints (Object *owner, ListBase *list) -{ - Bone *bone; - - for (bone = list->first; bone; bone = bone->next) { - test_constraints(owner, bone->name); - test_bonelist_constraints(owner, &bone->childbase); - } -} - -void object_test_constraints (Object *owner) -{ - test_constraints(owner, ""); - - if (owner->type==OB_ARMATURE) { - bArmature *arm= get_armature(owner); - - if (arm) - test_bonelist_constraints(owner, &arm->bonebase); - } -} - -/* ********************** CONSTRAINT-SPECIFIC STUFF ********************* */ -/* ------------- PyConstraints ------------------ */ - -/* this callback sets the text-file to be used for selected menu item */ -void validate_pyconstraint_cb (void *arg1, void *arg2) -{ - bPythonConstraint *data = arg1; - Text *text= NULL; - int index = *((int *)arg2); - int i; - - /* exception for no script */ - if (index) { - /* innovative use of a for...loop to search */ - for (text=G.main->text.first, i=1; text && index!=i; i++, text=text->id.next); - } - data->text = text; -} - -#ifndef DISABLE_PYTHON -/* this returns a string for the list of usable pyconstraint script names */ -char *buildmenu_pyconstraints (Text *con_text, int *pyconindex) -{ - DynStr *pupds= BLI_dynstr_new(); - Text *text; - char *str; - char buf[64]; - int i; - - /* add title first */ - sprintf(buf, "Scripts: %%t|[None]%%x0|"); - BLI_dynstr_append(pupds, buf); - - /* init active-index first */ - if (con_text == NULL) - *pyconindex= 0; - - /* loop through markers, adding them */ - for (text=G.main->text.first, i=1; text; i++, text=text->id.next) { - /* this is important to ensure that right script is shown as active */ - if (text == con_text) *pyconindex = i; - - /* only include valid pyconstraint scripts */ - if (BPY_is_pyconstraint(text)) { - BLI_dynstr_append(pupds, text->id.name+2); - - sprintf(buf, "%%x%d", i); - BLI_dynstr_append(pupds, buf); - - if (text->id.next) - BLI_dynstr_append(pupds, "|"); - } - } - - /* convert to normal MEM_malloc'd string */ - str= BLI_dynstr_get_cstring(pupds); - BLI_dynstr_free(pupds); - - return str; -} -#endif /* DISABLE_PYTHON */ - -/* this callback gets called when the 'refresh' button of a pyconstraint gets pressed */ -void update_pyconstraint_cb (void *arg1, void *arg2) -{ - Object *owner= (Object *)arg1; - bConstraint *con= (bConstraint *)arg2; -#ifndef DISABLE_PYTHON - if (owner && con) - BPY_pyconstraint_update(owner, con); -#endif -} - -/* ------------- Child-Of Constraint ------------------ */ - -/* ChildOf Constraint - set inverse callback */ -void childof_const_setinv (void *conv, void *unused) -{ - bConstraint *con= (bConstraint *)conv; - bChildOfConstraint *data= (bChildOfConstraint *)con->data; - Object *ob= OBACT; - bPoseChannel *pchan= NULL; - - /* try to find a pose channel */ - if (ob && ob->pose) - pchan= get_active_posechannel(ob); - - /* calculate/set inverse matrix */ - if (pchan) { - float pmat[4][4], cinf; - float imat[4][4], tmat[4][4]; - - /* make copy of pchan's original pose-mat (for use later) */ - Mat4CpyMat4(pmat, pchan->pose_mat); - - /* disable constraint for pose to be solved without it */ - cinf= con->enforce; - con->enforce= 0.0f; - - /* solve pose without constraint */ - where_is_pose(ob); - - /* determine effect of constraint by removing the newly calculated - * pchan->pose_mat from the original pchan->pose_mat, thus determining - * the effect of the constraint - */ - Mat4Invert(imat, pchan->pose_mat); - Mat4MulMat4(tmat, imat, pmat); - Mat4Invert(data->invmat, tmat); - - /* recalculate pose with new inv-mat */ - con->enforce= cinf; - where_is_pose(ob); - } - else if (ob) { - /* use what_does_parent to find inverse - just like for normal parenting. - * NOTE: what_does_parent uses a static workob defined in object.c - */ - what_does_parent(ob); - Mat4Invert(data->invmat, workob.obmat); - } - else - Mat4One(data->invmat); -} - -/* ChildOf Constraint - clear inverse callback */ -void childof_const_clearinv (void *conv, void *unused) -{ - bConstraint *con= (bConstraint *)conv; - bChildOfConstraint *data= (bChildOfConstraint *)con->data; - - /* simply clear the matrix */ - Mat4One(data->invmat); -} |