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fix [#34203] Editing bones, parenting, blender quits

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'Set Inverse' was mixing up pose/object constraints
This commit is contained in:
Campbell Barton
2013-02-12 01:20:14 +00:00
parent 533f359c0d
commit 5eec86c6b2
1 changed files with 79 additions and 71 deletions
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150
source/blender/editors/object/object_constraint.c
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@@ -718,81 +718,87 @@ void CONSTRAINT_OT_limitdistance_reset(wmOperatorType *ot)
/* ------------- Child-Of Constraint ------------------ */
static void child_get_inverse_matrix(Scene *scene, Object *ob, bConstraint *con, float invmat[4][4])
static void child_get_inverse_matrix(Scene *scene, Object *ob, bConstraint *con, float invmat[4][4], const int owner)
{
bConstraint *lastcon = NULL;
bPoseChannel *pchan = NULL;
/* nullify inverse matrix first */
unit_m4(invmat);
/* try to find a pose channel - assume that this is the constraint owner */
/* TODO: get from context instead? */
if (ob && ob->pose)
pchan = BKE_pose_channel_active(ob);
/* calculate/set inverse matrix:
* We just calculate all transform-stack eval up to but not including this constraint.
* This is because inverse should just inverse correct for just the constraint's influence
* when it gets applied; that is, at the time of application, we don't know anything about
* what follows.
*/
if (pchan) {
float imat[4][4], tmat[4][4];
float pmat[4][4];
/* 1. calculate posemat where inverse doesn't exist yet (inverse was cleared above),
* to use as baseline ("pmat") to derive delta from. This extra calc saves users
* from having pressing "Clear Inverse" first
*/
BKE_pose_where_is(scene, ob);
copy_m4_m4(pmat, pchan->pose_mat);
/* 2. knock out constraints starting from this one */
lastcon = pchan->constraints.last;
pchan->constraints.last = con->prev;
if (con->prev) {
/* new end must not point to this one, else this chain cutting is useless */
con->prev->next = NULL;
if (owner == EDIT_CONSTRAINT_OWNER_BONE) {
bPoseChannel *pchan;
/* try to find a pose channel - assume that this is the constraint owner */
/* TODO: get from context instead? */
if (ob && ob->pose && (pchan = BKE_pose_channel_active(ob))) {
bConstraint *con_last;
/* calculate/set inverse matrix:
* We just calculate all transform-stack eval up to but not including this constraint.
* This is because inverse should just inverse correct for just the constraint's influence
* when it gets applied; that is, at the time of application, we don't know anything about
* what follows.
*/
float imat[4][4], tmat[4][4];
float pmat[4][4];
/* make sure we passed the correct constraint */
BLI_assert(BLI_findindex(&pchan->constraints, con) != -1);
/* 1. calculate posemat where inverse doesn't exist yet (inverse was cleared above),
* to use as baseline ("pmat") to derive delta from. This extra calc saves users
* from having pressing "Clear Inverse" first
*/
BKE_pose_where_is(scene, ob);
copy_m4_m4(pmat, pchan->pose_mat);
/* 2. knock out constraints starting from this one */
con_last = pchan->constraints.last;
pchan->constraints.last = con->prev;
if (con->prev) {
/* new end must not point to this one, else this chain cutting is useless */
con->prev->next = NULL;
}
else {
/* constraint was first */
pchan->constraints.first = NULL;
}
/* 3. solve pose without disabled constraints */
BKE_pose_where_is(scene, ob);
/* 4. 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
*/
invert_m4_m4(imat, pchan->pose_mat);
mult_m4_m4m4(tmat, pmat, imat);
invert_m4_m4(invmat, tmat);
/* 5. restore constraints */
pchan->constraints.last = con_last;
if (con->prev) {
/* hook up prev to this one again */
con->prev->next = con;
}
else {
/* set as first again */
pchan->constraints.first = con;
}
/* 6. recalculate pose with new inv-mat applied */
BKE_pose_where_is(scene, ob);
}
else {
/* constraint was first */
pchan->constraints.first = NULL;
}
/* 3. solve pose without disabled constraints */
BKE_pose_where_is(scene, ob);
/* 4. 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
*/
invert_m4_m4(imat, pchan->pose_mat);
mult_m4_m4m4(tmat, pmat, imat);
invert_m4_m4(invmat, tmat);
/* 5. restore constraints */
pchan->constraints.last = lastcon;
if (con->prev) {
/* hook up prev to this one again */
con->prev->next = con;
}
else {
/* set as first again */
pchan->constraints.first = con;
}
/* 6. recalculate pose with new inv-mat applied */
BKE_pose_where_is(scene, ob);
}
else if (ob) {
Object workob;
/* use BKE_object_workob_calc_parent to find inverse - just like for normal parenting */
BKE_object_workob_calc_parent(scene, ob, &workob);
invert_m4_m4(invmat, workob.obmat);
if (owner == EDIT_CONSTRAINT_OWNER_OBJECT) {
if (ob) {
Object workob;
/* make sure we passed the correct constraint */
BLI_assert(BLI_findindex(&ob->constraints, con) != -1);
/* use BKE_object_workob_calc_parent to find inverse - just like for normal parenting */
BKE_object_workob_calc_parent(scene, ob, &workob);
invert_m4_m4(invmat, workob.obmat);
}
}
}
@@ -803,6 +809,7 @@ static int childof_set_inverse_exec(bContext *C, wmOperator *op)
Object *ob = ED_object_active_context(C);
bConstraint *con = edit_constraint_property_get(op, ob, CONSTRAINT_TYPE_CHILDOF);
bChildOfConstraint *data = (con) ? (bChildOfConstraint *)con->data : NULL;
const int owner = RNA_enum_get(op->ptr, "owner");
/* despite 3 layers of checks, we may still not be able to find a constraint */
if (data == NULL) {
@@ -811,7 +818,7 @@ static int childof_set_inverse_exec(bContext *C, wmOperator *op)
return OPERATOR_CANCELLED;
}
child_get_inverse_matrix(scene, ob, con, data->invmat);
child_get_inverse_matrix(scene, ob, con, data->invmat, owner);
WM_event_add_notifier(C, NC_OBJECT | ND_CONSTRAINT, ob);
@@ -1024,6 +1031,7 @@ static int objectsolver_set_inverse_exec(bContext *C, wmOperator *op)
Object *ob = ED_object_active_context(C);
bConstraint *con = edit_constraint_property_get(op, ob, CONSTRAINT_TYPE_OBJECTSOLVER);
bObjectSolverConstraint *data = (con) ? (bObjectSolverConstraint *)con->data : NULL;
const int owner = RNA_enum_get(op->ptr, "owner");
/* despite 3 layers of checks, we may still not be able to find a constraint */
if (data == NULL) {
@@ -1032,7 +1040,7 @@ static int objectsolver_set_inverse_exec(bContext *C, wmOperator *op)
return OPERATOR_CANCELLED;
}
child_get_inverse_matrix(scene, ob, con, data->invmat);
child_get_inverse_matrix(scene, ob, con, data->invmat, owner);
WM_event_add_notifier(C, NC_OBJECT | ND_CONSTRAINT, ob);