Differential D6091 Diff 20493 source/blender/editors/object/object_constraint.c

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source/blender/editors/object/object_constraint.c

Show First 20 Lines • Show All 865 Lines • ▼ Show 20 Lines	void CONSTRAINT_OT_limitdistance_reset(wmOperatorType *ot)
ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;		ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO;

/* properties */		/* properties */
edit_constraint_properties(ot);		edit_constraint_properties(ot);
}		}

/* ------------- Child-Of Constraint ------------------ */		/* ------------- Child-Of Constraint ------------------ */

static void child_get_inverse_matrix_owner_bone(
Depsgraph depsgraph, wmOperator op, Scene scene, Object ob, float invmat[4][4])
{
/* For bone owner we want to do this in evaluated domain.
* BKE_pose_where_is / BKE_pose_where_is_bone relies on (re)evaluating parts of the scene
* and copying new evaluated stuff back to original.
*/
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
bConstraint *con_eval = edit_constraint_property_get(op, ob_eval, CONSTRAINT_TYPE_CHILDOF);

/* nullify inverse matrix first */
unit_m4(invmat);

bPoseChannel *pchan_eval = BKE_pose_channel_active(ob_eval);

/* try to find a pose channel - assume that this is the constraint owner */
/* TODO: get from context instead? */
if (ob_eval && ob_eval->pose && pchan_eval) {
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_eval->constraints, con_eval) != -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(depsgraph, scene, ob_eval);
copy_m4_m4(pmat, pchan_eval->pose_mat);

/* 2. knock out constraints starting from this one */
con_last = pchan_eval->constraints.last;
pchan_eval->constraints.last = con_eval->prev;

if (con_eval->prev) {
/* new end must not point to this one, else this chain cutting is useless */
con_eval->prev->next = NULL;
}
else {
/* constraint was first */
pchan_eval->constraints.first = NULL;
}

/* 3. solve pose without disabled constraints */
BKE_pose_where_is(depsgraph, scene, ob_eval);

/* 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_eval->pose_mat);
mul_m4_m4m4(tmat, pmat, imat);
invert_m4_m4(invmat, tmat);

/* 5. restore constraints */
pchan_eval->constraints.last = con_last;

if (con_eval->prev) {
/* hook up prev to this one again */
con_eval->prev->next = con_eval;
}
else {
/* set as first again */
pchan_eval->constraints.first = con_eval;
}

/* 6. recalculate pose with new inv-mat applied */
/* this one is unnecessary? (DEG seems to update correctly without)
+ if we leave this in, we have to click "Set Inverse" twice to see updates...
BKE_pose_where_is(depsgraph, scene, ob_eval); */
}
}

static void child_get_inverse_matrix_owner_object(
Depsgraph depsgraph, Scene scene, Object ob, bConstraint con, float invmat[4][4])
{

/* nullify inverse matrix first */
unit_m4(invmat);

if (ob) {
Object workob;

/* make sure we passed the correct constraint */
BLI_assert(BLI_findindex(&ob->constraints, con) != -1);
UNUSED_VARS_NDEBUG(con);

/* use BKE_object_workob_calc_parent to find inverse - just like for normal parenting */
BKE_object_workob_calc_parent(depsgraph, scene, ob, &workob);
invert_m4_m4(invmat, workob.obmat);
}
}

/* ChildOf Constraint - set inverse callback */		/* ChildOf Constraint - set inverse callback */
static int childof_set_inverse_exec(bContext C, wmOperator op)		static int childof_set_inverse_exec(bContext C, wmOperator op)
{		{
Main *bmain = CTX_data_main(C);		Main *bmain = CTX_data_main(C);
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
Scene *scene = CTX_data_scene(C);
Object *ob = ED_object_active_context(C);		Object *ob = ED_object_active_context(C);
bConstraint *con = edit_constraint_property_get(op, ob, CONSTRAINT_TYPE_CHILDOF);		bConstraint *con = edit_constraint_property_get(op, ob, CONSTRAINT_TYPE_CHILDOF);
bChildOfConstraint data = (con) ? (bChildOfConstraint )con->data : NULL;		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 */		/* despite 3 layers of checks, we may still not be able to find a constraint */
if (data == NULL) {		if (data == NULL) {
printf("DEBUG: Child-Of Set Inverse - object = '%s'\n", (ob) ? ob->id.name + 2 : "<None>");		printf("DEBUG: Child-Of Set Inverse - object = '%s'\n", (ob) ? ob->id.name + 2 : "<None>");
BKE_report(op->reports, RPT_ERROR, "Could not find constraint data for Child-Of Set Inverse");		BKE_report(op->reports, RPT_ERROR, "Could not find constraint data for Child-Of Set Inverse");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

if (owner == EDIT_CONSTRAINT_OWNER_OBJECT) {		/* Set a flag to request recalculation on next update. */
child_get_inverse_matrix_owner_object(depsgraph, scene, ob, con, data->invmat);		data->flag \|= CHILDOF_SET_INVERSE;
}
else if (owner == EDIT_CONSTRAINT_OWNER_BONE) {
child_get_inverse_matrix_owner_bone(depsgraph, op, scene, ob, data->invmat);
}

ED_object_constraint_update(bmain, ob);		ED_object_constraint_update(bmain, ob);
WM_event_add_notifier(C, NC_OBJECT \| ND_CONSTRAINT, ob);		WM_event_add_notifier(C, NC_OBJECT \| ND_CONSTRAINT, ob);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

static int childof_set_inverse_invoke(bContext C, wmOperator op, const wmEvent *UNUSED(event))		static int childof_set_inverse_invoke(bContext C, wmOperator op, const wmEvent *UNUSED(event))
▲ Show 20 Lines • Show All 218 Lines • ▼ Show 20 Lines	RNA_def_int(ot->srna,
MAXFRAME);		MAXFRAME);
}		}

/* ------------- Object Solver Constraint ------------------ */		/* ------------- Object Solver Constraint ------------------ */

static int objectsolver_set_inverse_exec(bContext C, wmOperator op)		static int objectsolver_set_inverse_exec(bContext C, wmOperator op)
{		{
Main *bmain = CTX_data_main(C);		Main *bmain = CTX_data_main(C);
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
Scene *scene = CTX_data_scene(C);
Object *ob = ED_object_active_context(C);		Object *ob = ED_object_active_context(C);
bConstraint *con = edit_constraint_property_get(op, ob, CONSTRAINT_TYPE_OBJECTSOLVER);		bConstraint *con = edit_constraint_property_get(op, ob, CONSTRAINT_TYPE_OBJECTSOLVER);
bObjectSolverConstraint data = (con) ? (bObjectSolverConstraint )con->data : NULL;		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 */		/* despite 3 layers of checks, we may still not be able to find a constraint */
if (data == NULL) {		if (data == NULL) {
printf("DEBUG: Child-Of Set Inverse - object = '%s'\n", (ob) ? ob->id.name + 2 : "<None>");		printf("DEBUG: Child-Of Set Inverse - object = '%s'\n", (ob) ? ob->id.name + 2 : "<None>");
BKE_report(op->reports, RPT_ERROR, "Could not find constraint data for Child-Of Set Inverse");		BKE_report(op->reports, RPT_ERROR, "Could not find constraint data for Child-Of Set Inverse");
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

if (owner == EDIT_CONSTRAINT_OWNER_OBJECT) {		/* Set a flag to request recalculation on next update. */
child_get_inverse_matrix_owner_object(depsgraph, scene, ob, con, data->invmat);		data->flag \|= OBJECTSOLVER_SET_INVERSE;
}
else if (owner == EDIT_CONSTRAINT_OWNER_BONE) {
child_get_inverse_matrix_owner_bone(depsgraph, op, scene, ob, data->invmat);
}

ED_object_constraint_update(bmain, ob);		ED_object_constraint_update(bmain, ob);
WM_event_add_notifier(C, NC_OBJECT \| ND_CONSTRAINT, ob);		WM_event_add_notifier(C, NC_OBJECT \| ND_CONSTRAINT, ob);

return OPERATOR_FINISHED;		return OPERATOR_FINISHED;
}		}

static int objectsolver_set_inverse_invoke(bContext *C,		static int objectsolver_set_inverse_invoke(bContext *C,
▲ Show 20 Lines • Show All 1,058 Lines • Show Last 20 Lines