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03cfa75bccd632fbca2c9df167c9c9baf9f6ee8c
blender-archive/source/blender/editors/object/object_transform.cc
Falk David df0c2693b6 Refactor: Rename grease pencil files to legacy 
This renames the `BKE_gpencil_*` as well as the `DNA_gpencil_types.h`
files to indicate that it's the legacy grease pencil.

Pull Request: blender/blender#105597
2023-03-13 10:42:51 +01:00

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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup edobj
*/
#include <cstdlib>
#include <cstring>
#include <limits>
#include <numeric>
#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_collection_types.h"
#include "DNA_gpencil_legacy_types.h"
#include "DNA_lattice_types.h"
#include "DNA_light_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meta_types.h"
#include "DNA_object_types.h"
#include "DNA_pointcloud_types.h"
#include "DNA_scene_types.h"
#include "BLI_array.hh"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_math_matrix.hh"
#include "BLI_task.hh"
#include "BLI_utildefines.h"
#include "BLI_vector.hh"
#include "BKE_armature.h"
#include "BKE_context.h"
#include "BKE_curve.h"
#include "BKE_curves.hh"
#include "BKE_editmesh.h"
#include "BKE_gpencil_geom_legacy.h"
#include "BKE_gpencil_legacy.h"
#include "BKE_idtype.h"
#include "BKE_lattice.h"
#include "BKE_layer.h"
#include "BKE_lib_id.h"
#include "BKE_main.h"
#include "BKE_mball.h"
#include "BKE_mesh.hh"
#include "BKE_multires.h"
#include "BKE_object.h"
#include "BKE_pointcloud.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_tracking.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_armature.h"
#include "ED_gpencil.h"
#include "ED_keyframing.h"
#include "ED_mesh.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "ED_view3d.h"
#include "MEM_guardedalloc.h"
#include "object_intern.h"
using blender::Array;
using blender::float2;
using blender::float3;
using blender::Vector;
/* -------------------------------------------------------------------- */
/** \name Clear Transformation Utilities
* \{ */
/* clear location of object */
static void object_clear_loc(Object *ob, const bool clear_delta)
{
/* clear location if not locked */
if ((ob->protectflag & OB_LOCK_LOCX) == 0) {
ob->loc[0] = 0.0f;
if (clear_delta) {
ob->dloc[0] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_LOCY) == 0) {
ob->loc[1] = 0.0f;
if (clear_delta) {
ob->dloc[1] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_LOCZ) == 0) {
ob->loc[2] = 0.0f;
if (clear_delta) {
ob->dloc[2] = 0.0f;
}
}
}
/* clear rotation of object */
static void object_clear_rot(Object *ob, const bool clear_delta)
{
/* clear rotations that aren't locked */
if (ob->protectflag & (OB_LOCK_ROTX | OB_LOCK_ROTY | OB_LOCK_ROTZ | OB_LOCK_ROTW)) {
if (ob->protectflag & OB_LOCK_ROT4D) {
/* perform clamping on a component by component basis */
if (ob->rotmode == ROT_MODE_AXISANGLE) {
if ((ob->protectflag & OB_LOCK_ROTW) == 0) {
ob->rotAngle = 0.0f;
if (clear_delta) {
ob->drotAngle = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTX) == 0) {
ob->rotAxis[0] = 0.0f;
if (clear_delta) {
ob->drotAxis[0] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTY) == 0) {
ob->rotAxis[1] = 0.0f;
if (clear_delta) {
ob->drotAxis[1] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTZ) == 0) {
ob->rotAxis[2] = 0.0f;
if (clear_delta) {
ob->drotAxis[2] = 0.0f;
}
}
/* Check validity of axis - axis should never be 0,0,0
* (if so, then we make it rotate about y). */
if (IS_EQF(ob->rotAxis[0], ob->rotAxis[1]) && IS_EQF(ob->rotAxis[1], ob->rotAxis[2])) {
ob->rotAxis[1] = 1.0f;
}
if (IS_EQF(ob->drotAxis[0], ob->drotAxis[1]) && IS_EQF(ob->drotAxis[1], ob->drotAxis[2]) &&
clear_delta) {
ob->drotAxis[1] = 1.0f;
}
}
else if (ob->rotmode == ROT_MODE_QUAT) {
if ((ob->protectflag & OB_LOCK_ROTW) == 0) {
ob->quat[0] = 1.0f;
if (clear_delta) {
ob->dquat[0] = 1.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTX) == 0) {
ob->quat[1] = 0.0f;
if (clear_delta) {
ob->dquat[1] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTY) == 0) {
ob->quat[2] = 0.0f;
if (clear_delta) {
ob->dquat[2] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTZ) == 0) {
ob->quat[3] = 0.0f;
if (clear_delta) {
ob->dquat[3] = 0.0f;
}
}
/* TODO: does this quat need normalizing now? */
}
else {
/* the flag may have been set for the other modes, so just ignore the extra flag... */
if ((ob->protectflag & OB_LOCK_ROTX) == 0) {
ob->rot[0] = 0.0f;
if (clear_delta) {
ob->drot[0] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTY) == 0) {
ob->rot[1] = 0.0f;
if (clear_delta) {
ob->drot[1] = 0.0f;
}
}
if ((ob->protectflag & OB_LOCK_ROTZ) == 0) {
ob->rot[2] = 0.0f;
if (clear_delta) {
ob->drot[2] = 0.0f;
}
}
}
}
else {
/* perform clamping using euler form (3-components) */
/* FIXME: deltas are not handled for these cases yet... */
float eul[3], oldeul[3], quat1[4] = {0};
if (ob->rotmode == ROT_MODE_QUAT) {
copy_qt_qt(quat1, ob->quat);
quat_to_eul(oldeul, ob->quat);
}
else if (ob->rotmode == ROT_MODE_AXISANGLE) {
axis_angle_to_eulO(oldeul, EULER_ORDER_DEFAULT, ob->rotAxis, ob->rotAngle);
}
else {
copy_v3_v3(oldeul, ob->rot);
}
eul[0] = eul[1] = eul[2] = 0.0f;
if (ob->protectflag & OB_LOCK_ROTX) {
eul[0] = oldeul[0];
}
if (ob->protectflag & OB_LOCK_ROTY) {
eul[1] = oldeul[1];
}
if (ob->protectflag & OB_LOCK_ROTZ) {
eul[2] = oldeul[2];
}
if (ob->rotmode == ROT_MODE_QUAT) {
eul_to_quat(ob->quat, eul);
/* quaternions flip w sign to accumulate rotations correctly */
if ((quat1[0] < 0.0f && ob->quat[0] > 0.0f) || (quat1[0] > 0.0f && ob->quat[0] < 0.0f)) {
mul_qt_fl(ob->quat, -1.0f);
}
}
else if (ob->rotmode == ROT_MODE_AXISANGLE) {
eulO_to_axis_angle(ob->rotAxis, &ob->rotAngle, eul, EULER_ORDER_DEFAULT);
}
else {
copy_v3_v3(ob->rot, eul);
}
}
} /* Duplicated in source/blender/editors/armature/editarmature.c */
else {
if (ob->rotmode == ROT_MODE_QUAT) {
unit_qt(ob->quat);
if (clear_delta) {
unit_qt(ob->dquat);
}
}
else if (ob->rotmode == ROT_MODE_AXISANGLE) {
unit_axis_angle(ob->rotAxis, &ob->rotAngle);
if (clear_delta) {
unit_axis_angle(ob->drotAxis, &ob->drotAngle);
}
}
else {
zero_v3(ob->rot);
if (clear_delta) {
zero_v3(ob->drot);
}
}
}
}
/* clear scale of object */
static void object_clear_scale(Object *ob, const bool clear_delta)
{
/* clear scale factors which are not locked */
if ((ob->protectflag & OB_LOCK_SCALEX) == 0) {
ob->scale[0] = 1.0f;
if (clear_delta) {
ob->dscale[0] = 1.0f;
}
}
if ((ob->protectflag & OB_LOCK_SCALEY) == 0) {
ob->scale[1] = 1.0f;
if (clear_delta) {
ob->dscale[1] = 1.0f;
}
}
if ((ob->protectflag & OB_LOCK_SCALEZ) == 0) {
ob->scale[2] = 1.0f;
if (clear_delta) {
ob->dscale[2] = 1.0f;
}
}
}
/* generic exec for clear-transform operators */
static int object_clear_transform_generic_exec(bContext *C,
wmOperator *op,
void (*clear_func)(Object *, const bool),
const char default_ksName[])
{
Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
/* May be null. */
View3D *v3d = CTX_wm_view3d(C);
KeyingSet *ks;
const bool clear_delta = RNA_boolean_get(op->ptr, "clear_delta");
BLI_assert(!ELEM(nullptr, clear_func, default_ksName));
Vector<Object *> objects;
FOREACH_SELECTED_EDITABLE_OBJECT_BEGIN (view_layer, v3d, ob) {
objects.append(ob);
}
FOREACH_SELECTED_EDITABLE_OBJECT_END;
if (objects.is_empty()) {
return OPERATOR_CANCELLED;
}
/* Support transforming the object data. */
const bool use_transform_skip_children = (scene->toolsettings->transform_flag &
SCE_XFORM_SKIP_CHILDREN);
const bool use_transform_data_origin = (scene->toolsettings->transform_flag &
SCE_XFORM_DATA_ORIGIN);
struct XFormObjectSkipChild_Container *xcs = nullptr;
struct XFormObjectData_Container *xds = nullptr;
if (use_transform_skip_children) {
BKE_scene_graph_evaluated_ensure(depsgraph, bmain);
xcs = ED_object_xform_skip_child_container_create();
ED_object_xform_skip_child_container_item_ensure_from_array(
xcs, scene, view_layer, objects.data(), objects.size());
}
if (use_transform_data_origin) {
BKE_scene_graph_evaluated_ensure(depsgraph, bmain);
xds = ED_object_data_xform_container_create();
}
/* get KeyingSet to use */
ks = ANIM_get_keyingset_for_autokeying(scene, default_ksName);
for (Object *ob : objects) {
if (use_transform_data_origin) {
ED_object_data_xform_container_item_ensure(xds, ob);
}
/* run provided clearing function */
clear_func(ob, clear_delta);
ED_autokeyframe_object(C, scene, ob, ks);
/* tag for updates */
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
}
if (use_transform_skip_children) {
ED_object_xform_skip_child_container_update_all(xcs, bmain, depsgraph);
ED_object_xform_skip_child_container_destroy(xcs);
}
if (use_transform_data_origin) {
ED_object_data_xform_container_update_all(xds, bmain, depsgraph);
ED_object_data_xform_container_destroy(xds);
}
/* this is needed so children are also updated */
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
return OPERATOR_FINISHED;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Clear Location Operator
* \{ */
static int object_location_clear_exec(bContext *C, wmOperator *op)
{
return object_clear_transform_generic_exec(C, op, object_clear_loc, ANIM_KS_LOCATION_ID);
}
void OBJECT_OT_location_clear(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Clear Location";
ot->description = "Clear the object's location";
ot->idname = "OBJECT_OT_location_clear";
/* api callbacks */
ot->exec = object_location_clear_exec;
ot->poll = ED_operator_scene_editable;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
ot->prop = RNA_def_boolean(
ot->srna,
"clear_delta",
false,
"Clear Delta",
"Clear delta location in addition to clearing the normal location transform");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Clear Rotation Operator
* \{ */
static int object_rotation_clear_exec(bContext *C, wmOperator *op)
{
return object_clear_transform_generic_exec(C, op, object_clear_rot, ANIM_KS_ROTATION_ID);
}
void OBJECT_OT_rotation_clear(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Clear Rotation";
ot->description = "Clear the object's rotation";
ot->idname = "OBJECT_OT_rotation_clear";
/* api callbacks */
ot->exec = object_rotation_clear_exec;
ot->poll = ED_operator_scene_editable;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
ot->prop = RNA_def_boolean(
ot->srna,
"clear_delta",
false,
"Clear Delta",
"Clear delta rotation in addition to clearing the normal rotation transform");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Clear Scale Operator
* \{ */
static int object_scale_clear_exec(bContext *C, wmOperator *op)
{
return object_clear_transform_generic_exec(C, op, object_clear_scale, ANIM_KS_SCALING_ID);
}
void OBJECT_OT_scale_clear(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Clear Scale";
ot->description = "Clear the object's scale";
ot->idname = "OBJECT_OT_scale_clear";
/* api callbacks */
ot->exec = object_scale_clear_exec;
ot->poll = ED_operator_scene_editable;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
ot->prop = RNA_def_boolean(
ot->srna,
"clear_delta",
false,
"Clear Delta",
"Clear delta scale in addition to clearing the normal scale transform");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Clear Origin Operator
* \{ */
static int object_origin_clear_exec(bContext *C, wmOperator * /*op*/)
{
float *v1, *v3;
float mat[3][3];
CTX_DATA_BEGIN (C, Object *, ob, selected_editable_objects) {
if (ob->parent) {
/* vectors pointed to by v1 and v3 will get modified */
v1 = ob->loc;
v3 = ob->parentinv[3];
copy_m3_m4(mat, ob->parentinv);
negate_v3_v3(v3, v1);
mul_m3_v3(mat, v3);
}
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
}
CTX_DATA_END;
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
return OPERATOR_FINISHED;
}
void OBJECT_OT_origin_clear(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Clear Origin";
ot->description = "Clear the object's origin";
ot->idname = "OBJECT_OT_origin_clear";
/* api callbacks */
ot->exec = object_origin_clear_exec;
ot->poll = ED_operator_scene_editable;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Apply Transformation Operator
* \{ */
/* use this when the loc/size/rot of the parent has changed but the children
* should stay in the same place, e.g. for apply-size-rot or object center */
static void ignore_parent_tx(Main *bmain, Depsgraph *depsgraph, Scene *scene, Object *ob)
{
Object workob;
Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
/* a change was made, adjust the children to compensate */
LISTBASE_FOREACH (Object *, ob_child, &bmain->objects) {
if (ob_child->parent == ob) {
Object *ob_child_eval = DEG_get_evaluated_object(depsgraph, ob_child);
BKE_object_apply_mat4(ob_child_eval, ob_child_eval->object_to_world, true, false);
BKE_object_workob_calc_parent(depsgraph, scene, ob_child_eval, &workob);
invert_m4_m4(ob_child->parentinv, workob.object_to_world);
/* Copy result of BKE_object_apply_mat4(). */
BKE_object_transform_copy(ob_child, ob_child_eval);
/* Make sure evaluated object is in a consistent state with the original one.
* It might be needed for applying transform on its children. */
copy_m4_m4(ob_child_eval->parentinv, ob_child->parentinv);
BKE_object_eval_transform_all(depsgraph, scene_eval, ob_child_eval);
/* Tag for update.
* This is because parent matrix did change, so in theory the child object might now be
* evaluated to a different location in another editing context. */
DEG_id_tag_update(&ob_child->id, ID_RECALC_TRANSFORM);
}
}
}
static void append_sorted_object_parent_hierarchy(Object *root_object,
Object *object,
Object **sorted_objects,
int *object_index)
{
if (!ELEM(object->parent, nullptr, root_object)) {
append_sorted_object_parent_hierarchy(
root_object, object->parent, sorted_objects, object_index);
}
if (object->id.tag & LIB_TAG_DOIT) {
sorted_objects[*object_index] = object;
(*object_index)++;
object->id.tag &= ~LIB_TAG_DOIT;
}
}
static Array<Object *> sorted_selected_editable_objects(bContext *C)
{
Main *bmain = CTX_data_main(C);
/* Count all objects, but also tag all the selected ones. */
BKE_main_id_tag_all(bmain, LIB_TAG_DOIT, false);
int num_objects = 0;
CTX_DATA_BEGIN (C, Object *, object, selected_editable_objects) {
object->id.tag |= LIB_TAG_DOIT;
num_objects++;
}
CTX_DATA_END;
if (num_objects == 0) {
return {};
}
/* Append all the objects. */
Array<Object *> sorted_objects(num_objects);
int object_index = 0;
CTX_DATA_BEGIN (C, Object *, object, selected_editable_objects) {
if ((object->id.tag & LIB_TAG_DOIT) == 0) {
continue;
}
append_sorted_object_parent_hierarchy(object, object, sorted_objects.data(), &object_index);
}
CTX_DATA_END;
return sorted_objects;
}
/**
* Check if we need and can handle the special multiuser case.
*/
static bool apply_objects_internal_can_multiuser(bContext *C)
{
Object *obact = CTX_data_active_object(C);
if (ELEM(nullptr, obact, obact->data)) {
return false;
}
if (ID_REAL_USERS(obact->data) == 1) {
return false;
}
bool all_objects_same_data = true;
bool obact_selected = false;
CTX_DATA_BEGIN (C, Object *, ob, selected_editable_objects) {
if (ob->data != obact->data) {
all_objects_same_data = false;
break;
}
if (ob == obact) {
obact_selected = true;
}
}
CTX_DATA_END;
return all_objects_same_data && obact_selected;
}
/**
* Check if the current selection need to be made into single user.
*
* It assumes that all selected objects share the same object data.
*/
static bool apply_objects_internal_need_single_user(bContext *C)
{
Object *ob = CTX_data_active_object(C);
BLI_assert(apply_objects_internal_can_multiuser(C));
/* Counting the number of objects is valid since it's known the
* selection is only made up of users of the active objects data. */
return (ID_REAL_USERS(ob->data) > CTX_DATA_COUNT(C, selected_editable_objects));
}
static void transform_positions(blender::MutableSpan<blender::float3> positions,
const blender::float4x4 &matrix)
{
using namespace blender;
threading::parallel_for(positions.index_range(), 1024, [&](const IndexRange range) {
for (float3 &position : positions.slice(range)) {
position = math::transform_point(matrix, position);
}
});
}
static int apply_objects_internal(bContext *C,
ReportList *reports,
bool apply_loc,
bool apply_rot,
bool apply_scale,
bool do_props,
bool do_single_user)
{
using namespace blender;
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
float rsmat[3][3], obmat[3][3], iobmat[3][3], mat[4][4], scale;
bool changed = true;
bool const do_multi_user = apply_objects_internal_can_multiuser(C);
float obact_invmat[4][4], obact_parent[4][4], obact_parentinv[4][4];
/* Only used when do_multi_user is set. */
Object *obact = nullptr;
bool make_single_user = false;
if (do_multi_user) {
obact = CTX_data_active_object(C);
invert_m4_m4(obact_invmat, obact->object_to_world);
Object workob;
BKE_object_workob_calc_parent(depsgraph, scene, obact, &workob);
copy_m4_m4(obact_parent, workob.object_to_world);
copy_m4_m4(obact_parentinv, obact->parentinv);
if (apply_objects_internal_need_single_user(C)) {
if (do_single_user) {
make_single_user = true;
}
else {
ID *obact_data = static_cast<ID *>(obact->data);
BKE_reportf(reports,
RPT_ERROR,
R"(Cannot apply to a multi user: Object "%s", %s "%s", aborting)",
obact->id.name + 2,
BKE_idtype_idcode_to_name(GS(obact_data->name)),
obact_data->name + 2);
return OPERATOR_CANCELLED;
}
}
}
/* first check if we can execute */
CTX_DATA_BEGIN (C, Object *, ob, selected_editable_objects) {
if (ELEM(ob->type,
OB_MESH,
OB_ARMATURE,
OB_LATTICE,
OB_MBALL,
OB_CURVES_LEGACY,
OB_SURF,
OB_FONT,
OB_GPENCIL_LEGACY,
OB_CURVES,
OB_POINTCLOUD)) {
ID *obdata = static_cast<ID *>(ob->data);
if (!do_multi_user && ID_REAL_USERS(obdata) > 1) {
BKE_reportf(reports,
RPT_ERROR,
R"(Cannot apply to a multi user: Object "%s", %s "%s", aborting)",
ob->id.name + 2,
BKE_idtype_idcode_to_name(GS(obdata->name)),
obdata->name + 2);
changed = false;
}
if (ID_IS_LINKED(obdata) || ID_IS_OVERRIDE_LIBRARY(obdata)) {
BKE_reportf(reports,
RPT_ERROR,
R"(Cannot apply to library or override data: Object "%s", %s "%s", aborting)",
ob->id.name + 2,
BKE_idtype_idcode_to_name(GS(obdata->name)),
obdata->name + 2);
changed = false;
}
}
if (ELEM(ob->type, OB_CURVES_LEGACY, OB_SURF)) {
ID *obdata = static_cast<ID *>(ob->data);
Curve *cu = static_cast<Curve *>(ob->data);
if (((ob->type == OB_CURVES_LEGACY) && !(cu->flag & CU_3D)) && (apply_rot || apply_loc)) {
BKE_reportf(
reports,
RPT_ERROR,
R"(Rotation/Location can't apply to a 2D curve: Object "%s", %s "%s", aborting)",
ob->id.name + 2,
BKE_idtype_idcode_to_name(GS(obdata->name)),
obdata->name + 2);
changed = false;
}
if (cu->key) {
BKE_reportf(reports,
RPT_ERROR,
R"(Can't apply to a curve with shape-keys: Object "%s", %s "%s", aborting)",
ob->id.name + 2,
BKE_idtype_idcode_to_name(GS(obdata->name)),
obdata->name + 2);
changed = false;
}
}
if (ob->type == OB_FONT) {
if (apply_rot || apply_loc) {
BKE_reportf(reports,
RPT_ERROR,
"Text objects can only have their scale applied: \"%s\"",
ob->id.name + 2);
changed = false;
}
}
if (ob->type == OB_GPENCIL_LEGACY) {
bGPdata *gpd = static_cast<bGPdata *>(ob->data);
if (gpd) {
if (gpd->layers.first) {
/* Unsupported configuration */
bool has_unparented_layers = false;
LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd->layers) {
/* Parented layers aren't supported as we can't easily re-evaluate
* the scene to sample parent movement */
if (gpl->parent == nullptr) {
has_unparented_layers = true;
break;
}
}
if (has_unparented_layers == false) {
BKE_reportf(reports,
RPT_ERROR,
"Can't apply to a GP data-block where all layers are parented: Object "
"\"%s\", %s \"%s\", aborting",
ob->id.name + 2,
BKE_idtype_idcode_to_name(ID_GD_LEGACY),
gpd->id.name + 2);
changed = false;
}
}
else {
/* No layers/data */
BKE_reportf(
reports,
RPT_ERROR,
R"(Can't apply to GP data-block with no layers: Object "%s", %s "%s", aborting)",
ob->id.name + 2,
BKE_idtype_idcode_to_name(ID_GD_LEGACY),
gpd->id.name + 2);
}
}
}
if (ob->type == OB_LAMP) {
Light *la = static_cast<Light *>(ob->data);
if (la->type == LA_AREA) {
if (apply_rot || apply_loc) {
BKE_reportf(reports,
RPT_ERROR,
"Area Lights can only have scale applied: \"%s\"",
ob->id.name + 2);
changed = false;
}
}
}
}
CTX_DATA_END;
if (!changed) {
return OPERATOR_CANCELLED;
}
changed = false;
/* now execute */
if (make_single_user) {
/* Make single user. */
ED_object_single_obdata_user(bmain, scene, obact);
BKE_main_id_newptr_and_tag_clear(bmain);
WM_event_add_notifier(C, NC_WINDOW, nullptr);
DEG_relations_tag_update(bmain);
}
Array<Object *> objects = sorted_selected_editable_objects(C);
if (objects.is_empty()) {
return OPERATOR_CANCELLED;
}
for (Object *ob : objects) {
/* calculate rotation/scale matrix */
if (apply_scale && apply_rot) {
BKE_object_to_mat3(ob, rsmat);
}
else if (apply_scale) {
BKE_object_scale_to_mat3(ob, rsmat);
}
else if (apply_rot) {
float tmat[3][3], timat[3][3];
/* simple rotation matrix */
BKE_object_rot_to_mat3(ob, rsmat, true);
/* correct for scale, note mul_m3_m3m3 has swapped args! */
BKE_object_scale_to_mat3(ob, tmat);
invert_m3_m3(timat, tmat);
mul_m3_m3m3(rsmat, timat, rsmat);
mul_m3_m3m3(rsmat, rsmat, tmat);
}
else {
unit_m3(rsmat);
}
copy_m4_m3(mat, rsmat);
/* calculate translation */
if (apply_loc) {
add_v3_v3v3(mat[3], ob->loc, ob->dloc);
if (!(apply_scale && apply_rot)) {
float tmat[3][3];
/* correct for scale and rotation that is still applied */
BKE_object_to_mat3(ob, obmat);
invert_m3_m3(iobmat, obmat);
mul_m3_m3m3(tmat, rsmat, iobmat);
mul_m3_v3(tmat, mat[3]);
}
}
/* apply to object data */
if (do_multi_user && ob != obact) {
/* Don't apply, just set the new object data, the correct
* transformations will happen later. */
id_us_min((ID *)ob->data);
ob->data = obact->data;
id_us_plus((ID *)ob->data);
}
else if (ob->type == OB_MESH) {
Mesh *me = static_cast<Mesh *>(ob->data);
if (apply_scale) {
multiresModifier_scale_disp(depsgraph, scene, ob);
}
/* adjust data */
BKE_mesh_transform(me, mat, true);
}
else if (ob->type == OB_ARMATURE) {
bArmature *arm = static_cast<bArmature *>(ob->data);
BKE_armature_transform(arm, mat, do_props);
}
else if (ob->type == OB_LATTICE) {
Lattice *lt = static_cast<Lattice *>(ob->data);
BKE_lattice_transform(lt, mat, true);
}
else if (ob->type == OB_MBALL) {
MetaBall *mb = static_cast<MetaBall *>(ob->data);
BKE_mball_transform(mb, mat, do_props);
}
else if (ELEM(ob->type, OB_CURVES_LEGACY, OB_SURF)) {
Curve *cu = static_cast<Curve *>(ob->data);
scale = mat3_to_scale(rsmat);
BKE_curve_transform_ex(cu, mat, true, do_props, scale);
}
else if (ob->type == OB_FONT) {
Curve *cu = static_cast<Curve *>(ob->data);
scale = mat3_to_scale(rsmat);
for (int i = 0; i < cu->totbox; i++) {
TextBox *tb = &cu->tb[i];
tb->x *= scale;
tb->y *= scale;
tb->w *= scale;
tb->h *= scale;
}
if (do_props) {
cu->fsize *= scale;
}
}
else if (ob->type == OB_GPENCIL_LEGACY) {
bGPdata *gpd = static_cast<bGPdata *>(ob->data);
BKE_gpencil_transform(gpd, mat);
}
else if (ob->type == OB_CURVES) {
Curves &curves = *static_cast<Curves *>(ob->data);
curves.geometry.wrap().transform(float4x4(mat));
curves.geometry.wrap().calculate_bezier_auto_handles();
}
else if (ob->type == OB_POINTCLOUD) {
PointCloud &pointcloud = *static_cast<PointCloud *>(ob->data);
bke::MutableAttributeAccessor attributes = pointcloud.attributes_for_write();
bke::SpanAttributeWriter position = attributes.lookup_or_add_for_write_span<float3>(
"position", ATTR_DOMAIN_POINT);
transform_positions(position.span, float4x4(mat));
position.finish();
}
else if (ob->type == OB_CAMERA) {
MovieClip *clip = BKE_object_movieclip_get(scene, ob, false);
/* applying scale on camera actually scales clip's reconstruction.
* of there's clip assigned to camera nothing to do actually.
*/
if (!clip) {
continue;
}
if (apply_scale) {
BKE_tracking_reconstruction_scale(&clip->tracking, ob->scale);
}
}
else if (ob->type == OB_EMPTY) {
/* It's possible for empties too, even though they don't
* really have obdata, since we can simply apply the maximum
* scaling to the empty's drawsize.
*
* Core Assumptions:
* 1) Most scaled empties have uniform scaling
* (i.e. for visibility reasons), AND/OR
* 2) Preserving non-uniform scaling is not that important,
* and is something that many users would be willing to
* sacrifice for having an easy way to do this.
*/
if ((apply_loc == false) && (apply_rot == false) && (apply_scale == true)) {
float max_scale = max_fff(fabsf(ob->scale[0]), fabsf(ob->scale[1]), fabsf(ob->scale[2]));
ob->empty_drawsize *= max_scale;
}
}
else if (ob->type == OB_LAMP) {
Light *la = static_cast<Light *>(ob->data);
if (la->type != LA_AREA) {
continue;
}
bool keeps_aspect_ratio = compare_ff_relative(rsmat[0][0], rsmat[1][1], FLT_EPSILON, 64);
if ((la->area_shape == LA_AREA_SQUARE) && !keeps_aspect_ratio) {
la->area_shape = LA_AREA_RECT;
la->area_sizey = la->area_size;
}
else if ((la->area_shape == LA_AREA_DISK) && !keeps_aspect_ratio) {
la->area_shape = LA_AREA_ELLIPSE;
la->area_sizey = la->area_size;
}
la->area_size *= rsmat[0][0];
la->area_sizey *= rsmat[1][1];
la->area_sizez *= rsmat[2][2];
}
else {
continue;
}
if (do_multi_user && ob != obact) {
float _obmat[4][4], _iobmat[4][4];
float _mat[4][4];
copy_m4_m4(_obmat, ob->object_to_world);
invert_m4_m4(_iobmat, _obmat);
copy_m4_m4(_mat, _obmat);
mul_m4_m4_post(_mat, obact_invmat);
mul_m4_m4_post(_mat, obact_parent);
mul_m4_m4_post(_mat, obact_parentinv);
if (apply_loc && apply_scale && apply_rot) {
BKE_object_apply_mat4(ob, _mat, false, true);
}
else {
Object ob_temp = blender::dna::shallow_copy(*ob);
BKE_object_apply_mat4(&ob_temp, _mat, false, true);
if (apply_loc) {
copy_v3_v3(ob->loc, ob_temp.loc);
}
if (apply_scale) {
copy_v3_v3(ob->scale, ob_temp.scale);
}
if (apply_rot) {
copy_v4_v4(ob->quat, ob_temp.quat);
copy_v3_v3(ob->rot, ob_temp.rot);
copy_v3_v3(ob->rotAxis, ob_temp.rotAxis);
ob->rotAngle = ob_temp.rotAngle;
}
}
}
else {
if (apply_loc) {
zero_v3(ob->loc);
zero_v3(ob->dloc);
}
if (apply_scale) {
copy_v3_fl(ob->scale, 1.0f);
copy_v3_fl(ob->dscale, 1.0f);
}
if (apply_rot) {
zero_v3(ob->rot);
zero_v3(ob->drot);
unit_qt(ob->quat);
unit_qt(ob->dquat);
unit_axis_angle(ob->rotAxis, &ob->rotAngle);
unit_axis_angle(ob->drotAxis, &ob->drotAngle);
}
}
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
BKE_object_transform_copy(ob_eval, ob);
BKE_object_where_is_calc(depsgraph, scene, ob_eval);
if (ob->type == OB_ARMATURE) {
/* needed for bone parents */
BKE_armature_copy_bone_transforms(static_cast<bArmature *>(ob_eval->data),
static_cast<bArmature *>(ob->data));
BKE_pose_where_is(depsgraph, scene, ob_eval);
}
ignore_parent_tx(bmain, depsgraph, scene, ob);
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
changed = true;
}
if (!changed) {
BKE_report(reports, RPT_WARNING, "Objects have no data to transform");
return OPERATOR_CANCELLED;
}
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
return OPERATOR_FINISHED;
}
static int visual_transform_apply_exec(bContext *C, wmOperator * /*op*/)
{
Scene *scene = CTX_data_scene(C);
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
bool changed = false;
CTX_DATA_BEGIN (C, Object *, ob, selected_editable_objects) {
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
BKE_object_where_is_calc(depsgraph, scene, ob_eval);
BKE_object_apply_mat4(ob_eval, ob_eval->object_to_world, true, true);
BKE_object_transform_copy(ob, ob_eval);
/* update for any children that may get moved */
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
changed = true;
}
CTX_DATA_END;
if (!changed) {
return OPERATOR_CANCELLED;
}
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
return OPERATOR_FINISHED;
}
void OBJECT_OT_visual_transform_apply(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Apply Visual Transform";
ot->description = "Apply the object's visual transformation to its data";
ot->idname = "OBJECT_OT_visual_transform_apply";
/* api callbacks */
ot->exec = visual_transform_apply_exec;
ot->poll = ED_operator_scene_editable;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
static int object_transform_apply_exec(bContext *C, wmOperator *op)
{
const bool loc = RNA_boolean_get(op->ptr, "location");
const bool rot = RNA_boolean_get(op->ptr, "rotation");
const bool sca = RNA_boolean_get(op->ptr, "scale");
const bool do_props = RNA_boolean_get(op->ptr, "properties");
const bool do_single_user = RNA_boolean_get(op->ptr, "isolate_users");
if (loc || rot || sca) {
return apply_objects_internal(C, op->reports, loc, rot, sca, do_props, do_single_user);
}
/* allow for redo */
return OPERATOR_FINISHED;
}
static int object_transform_apply_invoke(bContext *C, wmOperator *op, const wmEvent * /*event*/)
{
Object *ob = ED_object_active_context(C);
bool can_handle_multiuser = apply_objects_internal_can_multiuser(C);
bool need_single_user = can_handle_multiuser && apply_objects_internal_need_single_user(C);
if ((ob != nullptr) && (ob->data != nullptr) && need_single_user) {
PropertyRNA *prop = RNA_struct_find_property(op->ptr, "isolate_users");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_boolean_set(op->ptr, prop, true);
}
if (RNA_property_boolean_get(op->ptr, prop)) {
return WM_operator_confirm_message(
C, op, "Create new object-data users and apply transformation");
}
}
return object_transform_apply_exec(C, op);
}
void OBJECT_OT_transform_apply(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Apply Object Transform";
ot->description = "Apply the object's transformation to its data";
ot->idname = "OBJECT_OT_transform_apply";
/* api callbacks */
ot->exec = object_transform_apply_exec;
ot->invoke = object_transform_apply_invoke;
ot->poll = ED_operator_objectmode;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "location", true, "Location", "");
RNA_def_boolean(ot->srna, "rotation", true, "Rotation", "");
RNA_def_boolean(ot->srna, "scale", true, "Scale", "");
RNA_def_boolean(ot->srna,
"properties",
true,
"Apply Properties",
"Modify properties such as curve vertex radius, font size and bone envelope");
PropertyRNA *prop = RNA_def_boolean(ot->srna,
"isolate_users",
false,
"Isolate Multi User Data",
"Create new object-data users if needed");
RNA_def_property_flag(prop, PROP_HIDDEN);
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Apply Parent Inverse Operator
* \{ */
static int object_parent_inverse_apply_exec(bContext *C, wmOperator * /*op*/)
{
CTX_DATA_BEGIN (C, Object *, ob, selected_editable_objects) {
if (ob->parent == nullptr) {
continue;
}
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
BKE_object_apply_parent_inverse(ob);
}
CTX_DATA_END;
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
return OPERATOR_FINISHED;
}
void OBJECT_OT_parent_inverse_apply(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Apply Parent Inverse";
ot->description = "Apply the object's parent inverse to its data";
ot->idname = "OBJECT_OT_parent_inverse_apply";
/* api callbacks */
ot->exec = object_parent_inverse_apply_exec;
ot->poll = ED_operator_objectmode;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Set Object Center Operator
* \{ */
enum {
GEOMETRY_TO_ORIGIN = 0,
ORIGIN_TO_GEOMETRY,
ORIGIN_TO_CURSOR,
ORIGIN_TO_CENTER_OF_MASS_SURFACE,
ORIGIN_TO_CENTER_OF_MASS_VOLUME,
};
static float3 calculate_mean(const blender::Span<blender::float3> values)
{
if (values.is_empty()) {
return float3(0);
}
/* TODO: Use a method that avoids overflow. */
return std::accumulate(values.begin(), values.end(), float3(0)) / values.size();
}
static void translate_positions(blender::MutableSpan<blender::float3> positions,
const blender::float3 &translation)
{
using namespace blender;
threading::parallel_for(positions.index_range(), 2048, [&](const IndexRange range) {
for (float3 &position : positions.slice(range)) {
position += translation;
}
});
}
static int object_origin_set_exec(bContext *C, wmOperator *op)
{
using namespace blender;
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
Object *obact = CTX_data_active_object(C);
Object *obedit = CTX_data_edit_object(C);
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
float3 cent, cent_neg, centn;
const float *cursor = scene->cursor.location;
int centermode = RNA_enum_get(op->ptr, "type");
/* keep track of what is changed */
int tot_change = 0, tot_lib_error = 0, tot_multiuser_arm_error = 0;
if (obedit && centermode != GEOMETRY_TO_ORIGIN) {
BKE_report(op->reports, RPT_ERROR, "Operation cannot be performed in edit mode");
return OPERATOR_CANCELLED;
}
int around;
{
PropertyRNA *prop_center = RNA_struct_find_property(op->ptr, "center");
if (RNA_property_is_set(op->ptr, prop_center)) {
around = RNA_property_enum_get(op->ptr, prop_center);
}
else {
if (scene->toolsettings->transform_pivot_point == V3D_AROUND_CENTER_BOUNDS) {
around = V3D_AROUND_CENTER_BOUNDS;
}
else {
around = V3D_AROUND_CENTER_MEDIAN;
}
RNA_property_enum_set(op->ptr, prop_center, around);
}
}
zero_v3(cent);
if (obedit) {
if (obedit->type == OB_MESH) {
Mesh *me = static_cast<Mesh *>(obedit->data);
BMEditMesh *em = me->edit_mesh;
BMVert *eve;
BMIter iter;
if (centermode == ORIGIN_TO_CURSOR) {
copy_v3_v3(cent, cursor);
invert_m4_m4(obedit->world_to_object, obedit->object_to_world);
mul_m4_v3(obedit->world_to_object, cent);
}
else {
if (around == V3D_AROUND_CENTER_BOUNDS) {
float min[3], max[3];
INIT_MINMAX(min, max);
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
minmax_v3v3_v3(min, max, eve->co);
}
mid_v3_v3v3(cent, min, max);
}
else { /* #V3D_AROUND_CENTER_MEDIAN. */
if (em->bm->totvert) {
const float total_div = 1.0f / float(em->bm->totvert);
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
madd_v3_v3fl(cent, eve->co, total_div);
}
}
}
}
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
sub_v3_v3(eve->co, cent);
}
EDBM_mesh_normals_update(em);
tot_change++;
DEG_id_tag_update(&obedit->id, ID_RECALC_GEOMETRY);
}
}
Array<Object *> objects = sorted_selected_editable_objects(C);
if (objects.is_empty()) {
return OPERATOR_CANCELLED;
}
/* reset flags */
for (const int object_index : objects.index_range()) {
Object *ob = objects[object_index];
ob->flag &= ~OB_DONE;
/* move active first */
if (ob == obact && objects.size() > 1) {
memmove(&objects[1], objects.data(), object_index * sizeof(Object *));
objects[0] = ob;
}
}
LISTBASE_FOREACH (Object *, tob, &bmain->objects) {
if (tob->data) {
((ID *)tob->data)->tag &= ~LIB_TAG_DOIT;
}
if (tob->instance_collection) {
((ID *)tob->instance_collection)->tag &= ~LIB_TAG_DOIT;
}
}
for (Object *ob : objects) {
if (ob->flag & OB_DONE) {
continue;
}
bool do_inverse_offset = false;
ob->flag |= OB_DONE;
if (centermode == ORIGIN_TO_CURSOR) {
copy_v3_v3(cent, cursor);
invert_m4_m4(ob->world_to_object, ob->object_to_world);
mul_m4_v3(ob->world_to_object, cent);
}
if (ob->data == nullptr) {
/* Special support for instanced collections. */
if ((ob->transflag & OB_DUPLICOLLECTION) && ob->instance_collection &&
(ob->instance_collection->id.tag & LIB_TAG_DOIT) == 0) {
if (!BKE_id_is_editable(bmain, &ob->instance_collection->id)) {
tot_lib_error++;
}
else {
if (centermode == ORIGIN_TO_CURSOR) {
/* done */
}
else {
float min[3], max[3];
/* only bounds support */
INIT_MINMAX(min, max);
BKE_object_minmax_dupli(depsgraph, scene, ob, min, max, true);
mid_v3_v3v3(cent, min, max);
invert_m4_m4(ob->world_to_object, ob->object_to_world);
mul_m4_v3(ob->world_to_object, cent);
}
add_v3_v3(ob->instance_collection->instance_offset, cent);
tot_change++;
ob->instance_collection->id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
}
}
}
else if (ID_IS_LINKED(ob->data) || ID_IS_OVERRIDE_LIBRARY(ob->data)) {
tot_lib_error++;
}
else if (ob->type == OB_MESH) {
if (obedit == nullptr) {
Mesh *me = static_cast<Mesh *>(ob->data);
if (centermode == ORIGIN_TO_CURSOR) {
/* done */
}
else if (centermode == ORIGIN_TO_CENTER_OF_MASS_SURFACE) {
BKE_mesh_center_of_surface(me, cent);
}
else if (centermode == ORIGIN_TO_CENTER_OF_MASS_VOLUME) {
BKE_mesh_center_of_volume(me, cent);
}
else if (around == V3D_AROUND_CENTER_BOUNDS) {
BKE_mesh_center_bounds(me, cent);
}
else { /* #V3D_AROUND_CENTER_MEDIAN. */
BKE_mesh_center_median(me, cent);
}
negate_v3_v3(cent_neg, cent);
BKE_mesh_translate(me, cent_neg, true);
tot_change++;
me->id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
}
}
else if (ELEM(ob->type, OB_CURVES_LEGACY, OB_SURF)) {
Curve *cu = static_cast<Curve *>(ob->data);
if (centermode == ORIGIN_TO_CURSOR) {
/* done */
}
else if (around == V3D_AROUND_CENTER_BOUNDS) {
BKE_curve_center_bounds(cu, cent);
}
else { /* #V3D_AROUND_CENTER_MEDIAN. */
BKE_curve_center_median(cu, cent);
}
/* don't allow Z change if curve is 2D */
if ((ob->type == OB_CURVES_LEGACY) && !(cu->flag & CU_3D)) {
cent[2] = 0.0;
}
negate_v3_v3(cent_neg, cent);
BKE_curve_translate(cu, cent_neg, true);
tot_change++;
cu->id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
if (obedit) {
if (centermode == GEOMETRY_TO_ORIGIN) {
DEG_id_tag_update(&obedit->id, ID_RECALC_GEOMETRY);
}
break;
}
}
else if (ob->type == OB_FONT) {
/* Get from bounding-box. */
Curve *cu = static_cast<Curve *>(ob->data);
if (ob->runtime.bb == nullptr && (centermode != ORIGIN_TO_CURSOR)) {
/* Do nothing. */
}
else {
if (centermode == ORIGIN_TO_CURSOR) {
/* Done. */
}
else {
/* extra 0.5 is the height o above line */
cent[0] = 0.5f * (ob->runtime.bb->vec[4][0] + ob->runtime.bb->vec[0][0]);
cent[1] = 0.5f * (ob->runtime.bb->vec[0][1] + ob->runtime.bb->vec[2][1]);
}
cent[2] = 0.0f;
cu->xof = cu->xof - cent[0];
cu->yof = cu->yof - cent[1];
tot_change++;
cu->id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
}
}
else if (ob->type == OB_ARMATURE) {
bArmature *arm = static_cast<bArmature *>(ob->data);
if (ID_REAL_USERS(arm) > 1) {
#if 0
BKE_report(op->reports, RPT_ERROR, "Cannot apply to a multi user armature");
return;
#endif
tot_multiuser_arm_error++;
}
else {
/* Function to recenter armatures in editarmature.c
* Bone + object locations are handled there.
*/
ED_armature_origin_set(bmain, ob, cursor, centermode, around);
tot_change++;
arm->id.tag |= LIB_TAG_DOIT;
/* do_inverse_offset = true; */ /* docenter_armature() handles this */
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
BKE_object_transform_copy(ob_eval, ob);
BKE_armature_copy_bone_transforms(static_cast<bArmature *>(ob_eval->data),
static_cast<bArmature *>(ob->data));
BKE_object_where_is_calc(depsgraph, scene, ob_eval);
BKE_pose_where_is(depsgraph, scene, ob_eval); /* needed for bone parents */
ignore_parent_tx(bmain, depsgraph, scene, ob);
if (obedit) {
break;
}
}
}
else if (ob->type == OB_MBALL) {
MetaBall *mb = static_cast<MetaBall *>(ob->data);
if (centermode == ORIGIN_TO_CURSOR) {
/* done */
}
else if (around == V3D_AROUND_CENTER_BOUNDS) {
BKE_mball_center_bounds(mb, cent);
}
else { /* #V3D_AROUND_CENTER_MEDIAN. */
BKE_mball_center_median(mb, cent);
}
negate_v3_v3(cent_neg, cent);
BKE_mball_translate(mb, cent_neg);
tot_change++;
mb->id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
if (obedit) {
if (centermode == GEOMETRY_TO_ORIGIN) {
DEG_id_tag_update(&obedit->id, ID_RECALC_GEOMETRY);
}
break;
}
}
else if (ob->type == OB_LATTICE) {
Lattice *lt = static_cast<Lattice *>(ob->data);
if (centermode == ORIGIN_TO_CURSOR) {
/* done */
}
else if (around == V3D_AROUND_CENTER_BOUNDS) {
BKE_lattice_center_bounds(lt, cent);
}
else { /* #V3D_AROUND_CENTER_MEDIAN. */
BKE_lattice_center_median(lt, cent);
}
negate_v3_v3(cent_neg, cent);
BKE_lattice_translate(lt, cent_neg, true);
tot_change++;
lt->id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
}
else if (ob->type == OB_GPENCIL_LEGACY) {
bGPdata *gpd = static_cast<bGPdata *>(ob->data);
float gpcenter[3];
if (gpd) {
if (centermode == ORIGIN_TO_GEOMETRY) {
zero_v3(gpcenter);
BKE_gpencil_centroid_3d(gpd, gpcenter);
add_v3_v3(gpcenter, ob->object_to_world[3]);
}
if (centermode == ORIGIN_TO_CURSOR) {
copy_v3_v3(gpcenter, cursor);
}
if (ELEM(centermode, ORIGIN_TO_GEOMETRY, ORIGIN_TO_CURSOR)) {
bGPDspoint *pt;
float imat[3][3], bmat[3][3];
float offset_global[3];
float offset_local[3];
int i;
sub_v3_v3v3(offset_global, gpcenter, ob->object_to_world[3]);
copy_m3_m4(bmat, obact->object_to_world);
invert_m3_m3(imat, bmat);
mul_m3_v3(imat, offset_global);
mul_v3_m3v3(offset_local, imat, offset_global);
float diff_mat[4][4];
float inverse_diff_mat[4][4];
/* recalculate all strokes
* (all layers are considered without evaluating lock attributes) */
LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd->layers) {
/* calculate difference matrix */
BKE_gpencil_layer_transform_matrix_get(depsgraph, obact, gpl, diff_mat);
/* undo matrix */
invert_m4_m4(inverse_diff_mat, diff_mat);
LISTBASE_FOREACH (bGPDframe *, gpf, &gpl->frames) {
LISTBASE_FOREACH (bGPDstroke *, gps, &gpf->strokes) {
for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
float mpt[3];
mul_v3_m4v3(mpt, inverse_diff_mat, &pt->x);
sub_v3_v3(mpt, offset_local);
mul_v3_m4v3(&pt->x, diff_mat, mpt);
}
/* Apply transform to edit-curve. */
if (gps->editcurve != nullptr) {
for (i = 0; i < gps->editcurve->tot_curve_points; i++) {
BezTriple *bezt = &gps->editcurve->curve_points[i].bezt;
for (int j = 0; j < 3; j++) {
float mpt[3];
mul_v3_m4v3(mpt, inverse_diff_mat, bezt->vec[j]);
sub_v3_v3(mpt, offset_local);
mul_v3_m4v3(bezt->vec[j], diff_mat, mpt);
}
}
}
BKE_gpencil_stroke_geometry_update(gpd, gps);
}
}
}
tot_change++;
if (centermode == ORIGIN_TO_GEOMETRY) {
copy_v3_v3(ob->loc, gpcenter);
}
DEG_id_tag_update(&gpd->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
ob->id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
}
else {
BKE_report(op->reports,
RPT_WARNING,
"Grease Pencil Object does not support this set origin option");
}
}
}
else if (ob->type == OB_CURVES) {
using namespace blender;
Curves &curves_id = *static_cast<Curves *>(ob->data);
bke::CurvesGeometry &curves = curves_id.geometry.wrap();
if (ELEM(centermode, ORIGIN_TO_CENTER_OF_MASS_SURFACE, ORIGIN_TO_CENTER_OF_MASS_VOLUME) ||
!ELEM(around, V3D_AROUND_CENTER_BOUNDS, V3D_AROUND_CENTER_MEDIAN)) {
BKE_report(
op->reports, RPT_WARNING, "Curves Object does not support this set origin operation");
continue;
}
if (curves.points_num() == 0) {
continue;
}
if (centermode == ORIGIN_TO_CURSOR) {
/* done */
}
else if (around == V3D_AROUND_CENTER_BOUNDS) {
float3 min(std::numeric_limits<float>::max());
float3 max(-std::numeric_limits<float>::max());
if (curves.bounds_min_max(min, max)) {
cent = math::midpoint(min, max);
}
}
else if (around == V3D_AROUND_CENTER_MEDIAN) {
cent = calculate_mean(curves.positions());
}
tot_change++;
curves.translate(-cent);
curves_id.id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
}
else if (ob->type == OB_POINTCLOUD) {
PointCloud &pointcloud = *static_cast<PointCloud *>(ob->data);
bke::MutableAttributeAccessor attributes = pointcloud.attributes_for_write();
bke::SpanAttributeWriter positions = attributes.lookup_or_add_for_write_span<float3>(
"position", ATTR_DOMAIN_POINT);
if (ELEM(centermode, ORIGIN_TO_CENTER_OF_MASS_SURFACE, ORIGIN_TO_CENTER_OF_MASS_VOLUME) ||
!ELEM(around, V3D_AROUND_CENTER_BOUNDS, V3D_AROUND_CENTER_MEDIAN)) {
BKE_report(op->reports,
RPT_WARNING,
"Point cloud object does not support this set origin operation");
continue;
}
if (centermode == ORIGIN_TO_CURSOR) {
/* Done. */
}
else if (around == V3D_AROUND_CENTER_BOUNDS) {
float3 min(std::numeric_limits<float>::max());
float3 max(-std::numeric_limits<float>::max());
if (pointcloud.bounds_min_max(min, max)) {
cent = math::midpoint(min, max);
}
}
else if (around == V3D_AROUND_CENTER_MEDIAN) {
cent = calculate_mean(positions.span);
}
tot_change++;
translate_positions(positions.span, -cent);
positions.finish();
pointcloud.id.tag |= LIB_TAG_DOIT;
do_inverse_offset = true;
}
/* offset other selected objects */
if (do_inverse_offset && (centermode != GEOMETRY_TO_ORIGIN)) {
float obmat[4][4];
/* was the object data modified
* NOTE: the functions above must set 'cent'. */
/* convert the offset to parent space */
BKE_object_to_mat4(ob, obmat);
mul_v3_mat3_m4v3(centn, obmat, cent); /* omit translation part */
add_v3_v3(ob->loc, centn);
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
BKE_object_transform_copy(ob_eval, ob);
BKE_object_where_is_calc(depsgraph, scene, ob_eval);
if (ob->type == OB_ARMATURE) {
/* needed for bone parents */
BKE_armature_copy_bone_transforms(static_cast<bArmature *>(ob_eval->data),
static_cast<bArmature *>(ob->data));
BKE_pose_where_is(depsgraph, scene, ob_eval);
}
ignore_parent_tx(bmain, depsgraph, scene, ob);
/* other users? */
// CTX_DATA_BEGIN (C, Object *, ob_other, selected_editable_objects)
//{
/* use existing context looper */
for (Object *ob_other : objects) {
if ((ob_other->flag & OB_DONE) == 0 &&
((ob->data && (ob->data == ob_other->data)) ||
(ob->instance_collection == ob_other->instance_collection &&
(ob->transflag | ob_other->transflag) & OB_DUPLICOLLECTION))) {
ob_other->flag |= OB_DONE;
DEG_id_tag_update(&ob_other->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
mul_v3_mat3_m4v3(centn, ob_other->object_to_world, cent); /* omit translation part */
add_v3_v3(ob_other->loc, centn);
Object *ob_other_eval = DEG_get_evaluated_object(depsgraph, ob_other);
BKE_object_transform_copy(ob_other_eval, ob_other);
BKE_object_where_is_calc(depsgraph, scene, ob_other_eval);
if (ob_other->type == OB_ARMATURE) {
/* needed for bone parents */
BKE_armature_copy_bone_transforms(static_cast<bArmature *>(ob_eval->data),
static_cast<bArmature *>(ob->data));
BKE_pose_where_is(depsgraph, scene, ob_other_eval);
}
ignore_parent_tx(bmain, depsgraph, scene, ob_other);
}
}
// CTX_DATA_END;
}
}
LISTBASE_FOREACH (Object *, tob, &bmain->objects) {
if (tob->data && (((ID *)tob->data)->tag & LIB_TAG_DOIT)) {
BKE_object_batch_cache_dirty_tag(tob);
DEG_id_tag_update(&tob->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
}
/* Special support for dupli-groups. */
else if (tob->instance_collection && tob->instance_collection->id.tag & LIB_TAG_DOIT) {
DEG_id_tag_update(&tob->id, ID_RECALC_TRANSFORM);
DEG_id_tag_update(&tob->instance_collection->id, ID_RECALC_COPY_ON_WRITE);
}
}
if (tot_change) {
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
}
/* Warn if any errors occurred */
if (tot_lib_error + tot_multiuser_arm_error) {
BKE_reportf(op->reports,
RPT_WARNING,
"%i object(s) not centered, %i changed:",
tot_lib_error + tot_multiuser_arm_error,
tot_change);
if (tot_lib_error) {
BKE_reportf(op->reports, RPT_WARNING, "|%i linked library object(s)", tot_lib_error);
}
if (tot_multiuser_arm_error) {
BKE_reportf(
op->reports, RPT_WARNING, "|%i multiuser armature object(s)", tot_multiuser_arm_error);
}
}
return OPERATOR_FINISHED;
}
void OBJECT_OT_origin_set(wmOperatorType *ot)
{
static const EnumPropertyItem prop_set_center_types[] = {
{GEOMETRY_TO_ORIGIN,
"GEOMETRY_ORIGIN",
0,
"Geometry to Origin",
"Move object geometry to object origin"},
{ORIGIN_TO_GEOMETRY,
"ORIGIN_GEOMETRY",
0,
"Origin to Geometry",
"Calculate the center of geometry based on the current pivot point (median, otherwise "
"bounding box)"},
{ORIGIN_TO_CURSOR,
"ORIGIN_CURSOR",
0,
"Origin to 3D Cursor",
"Move object origin to position of the 3D cursor"},
/* Intentional naming mismatch since some scripts refer to this. */
{ORIGIN_TO_CENTER_OF_MASS_SURFACE,
"ORIGIN_CENTER_OF_MASS",
0,
"Origin to Center of Mass (Surface)",
"Calculate the center of mass from the surface area"},
{ORIGIN_TO_CENTER_OF_MASS_VOLUME,
"ORIGIN_CENTER_OF_VOLUME",
0,
"Origin to Center of Mass (Volume)",
"Calculate the center of mass from the volume (must be manifold geometry with consistent "
"normals)"},
{0, nullptr, 0, nullptr, nullptr},
};
static const EnumPropertyItem prop_set_bounds_types[] = {
{V3D_AROUND_CENTER_MEDIAN, "MEDIAN", 0, "Median Center", ""},
{V3D_AROUND_CENTER_BOUNDS, "BOUNDS", 0, "Bounds Center", ""},
{0, nullptr, 0, nullptr, nullptr},
};
/* identifiers */
ot->name = "Set Origin";
ot->description =
"Set the object's origin, by either moving the data, or set to center of data, or use 3D "
"cursor";
ot->idname = "OBJECT_OT_origin_set";
/* api callbacks */
ot->invoke = WM_menu_invoke;
ot->exec = object_origin_set_exec;
ot->poll = ED_operator_scene_editable;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
ot->prop = RNA_def_enum(ot->srna, "type", prop_set_center_types, 0, "Type", "");
RNA_def_enum(ot->srna, "center", prop_set_bounds_types, V3D_AROUND_CENTER_MEDIAN, "Center", "");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Transform Axis Target
*
* Note this is an experimental operator to point lights/cameras at objects.
* We may re-work how this behaves based on user feedback.
* - campbell.
* \{ */
/** When using multiple objects, apply their relative rotational offset to the active object. */
#define USE_RELATIVE_ROTATION
/** Disable overlays, ignoring user setting (light wire gets in the way). */
#define USE_RENDER_OVERRIDE
/**
* Calculate a depth if the cursor isn't already over a depth
* (not essential but feels buggy without).
*/
#define USE_FAKE_DEPTH_INIT
struct XFormAxisItem {
Object *ob;
float rot_mat[3][3];
void *obtfm;
float xform_dist;
bool is_z_flip;
#ifdef USE_RELATIVE_ROTATION
/* use when translating multiple */
float xform_rot_offset[3][3];
#endif
};
struct XFormAxisData {
ViewContext vc;
ViewDepths *depths;
struct {
float depth;
float normal[3];
bool is_depth_valid;
bool is_normal_valid;
} prev;
Vector<XFormAxisItem> object_data;
bool is_translate;
int init_event;
};
#ifdef USE_FAKE_DEPTH_INIT
static void object_transform_axis_target_calc_depth_init(XFormAxisData *xfd, const int mval[2])
{
float view_co_a[3], view_co_b[3];
const float2 mval_fl = {float(mval[0]), float(mval[1])};
ED_view3d_win_to_ray(xfd->vc.region, mval_fl, view_co_a, view_co_b);
add_v3_v3(view_co_b, view_co_a);
float center[3] = {0.0f};
int center_tot = 0;
for (XFormAxisItem &item : xfd->object_data) {
const Object *ob = item.ob;
const float *ob_co_a = ob->object_to_world[3];
float ob_co_b[3];
add_v3_v3v3(ob_co_b, ob->object_to_world[3], ob->object_to_world[2]);
float view_isect[3], ob_isect[3];
if (isect_line_line_v3(view_co_a, view_co_b, ob_co_a, ob_co_b, view_isect, ob_isect)) {
add_v3_v3(center, view_isect);
center_tot += 1;
}
}
if (center_tot) {
mul_v3_fl(center, 1.0f / center_tot);
float center_proj[3];
ED_view3d_project_v3(xfd->vc.region, center, center_proj);
xfd->prev.depth = center_proj[2];
xfd->prev.is_depth_valid = true;
}
}
#endif /* USE_FAKE_DEPTH_INIT */
static bool object_is_target_compat(const Object *ob)
{
if (ob->type == OB_LAMP) {
const Light *la = static_cast<Light *>(ob->data);
if (ELEM(la->type, LA_SUN, LA_SPOT, LA_AREA)) {
return true;
}
}
/* We might want to enable this later, for now just lights. */
#if 0
else if (ob->type == OB_CAMERA) {
return true;
}
#endif
return false;
}
static void object_transform_axis_target_free_data(wmOperator *op)
{
XFormAxisData *xfd = static_cast<XFormAxisData *>(op->customdata);
#ifdef USE_RENDER_OVERRIDE
if (xfd->depths) {
ED_view3d_depths_free(xfd->depths);
}
#endif
for (XFormAxisItem &item : xfd->object_data) {
MEM_freeN(item.obtfm);
}
MEM_delete(xfd);
op->customdata = nullptr;
}
/* We may want to expose as alternative to: BKE_object_apply_rotation */
static void object_apply_rotation(Object *ob, const float rmat[3][3])
{
float size[3];
float loc[3];
float rmat4[4][4];
copy_m4_m3(rmat4, rmat);
copy_v3_v3(size, ob->scale);
copy_v3_v3(loc, ob->loc);
BKE_object_apply_mat4(ob, rmat4, true, true);
copy_v3_v3(ob->scale, size);
copy_v3_v3(ob->loc, loc);
}
/* We may want to extract this to: BKE_object_apply_location */
static void object_apply_location(Object *ob, const float loc[3])
{
/* quick but weak */
Object ob_prev = blender::dna::shallow_copy(*ob);
float mat[4][4];
copy_m4_m4(mat, ob->object_to_world);
copy_v3_v3(mat[3], loc);
BKE_object_apply_mat4(ob, mat, true, true);
copy_v3_v3(mat[3], ob->loc);
*ob = blender::dna::shallow_copy(ob_prev);
copy_v3_v3(ob->loc, mat[3]);
}
static bool object_orient_to_location(Object *ob,
const float rot_orig[3][3],
const float axis[3],
const float location[3],
const bool z_flip)
{
float delta[3];
sub_v3_v3v3(delta, ob->object_to_world[3], location);
if (normalize_v3(delta) != 0.0f) {
if (z_flip) {
negate_v3(delta);
}
if (len_squared_v3v3(delta, axis) > FLT_EPSILON) {
float delta_rot[3][3];
float final_rot[3][3];
rotation_between_vecs_to_mat3(delta_rot, axis, delta);
mul_m3_m3m3(final_rot, delta_rot, rot_orig);
object_apply_rotation(ob, final_rot);
return true;
}
}
return false;
}
static void object_transform_axis_target_cancel(bContext *C, wmOperator *op)
{
XFormAxisData *xfd = static_cast<XFormAxisData *>(op->customdata);
for (XFormAxisItem &item : xfd->object_data) {
BKE_object_tfm_restore(item.ob, item.obtfm);
DEG_id_tag_update(&item.ob->id, ID_RECALC_TRANSFORM);
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, item.ob);
}
object_transform_axis_target_free_data(op);
}
static int object_transform_axis_target_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
ViewContext vc;
ED_view3d_viewcontext_init(C, &vc, depsgraph);
if (vc.obact == nullptr || !object_is_target_compat(vc.obact)) {
/* Falls back to texture space transform. */
return OPERATOR_PASS_THROUGH;
}
#ifdef USE_RENDER_OVERRIDE
int flag2_prev = vc.v3d->flag2;
vc.v3d->flag2 |= V3D_HIDE_OVERLAYS;
#endif
ViewDepths *depths = nullptr;
ED_view3d_depth_override(
vc.depsgraph, vc.region, vc.v3d, nullptr, V3D_DEPTH_NO_GPENCIL, &depths);
#ifdef USE_RENDER_OVERRIDE
vc.v3d->flag2 = flag2_prev;
#endif
if (depths == nullptr) {
BKE_report(op->reports, RPT_WARNING, "Unable to access depth buffer, using view plane");
return OPERATOR_CANCELLED;
}
ED_region_tag_redraw(vc.region);
XFormAxisData *xfd = MEM_new<XFormAxisData>(__func__);
op->customdata = xfd;
/* Don't change this at runtime. */
xfd->vc = vc;
xfd->depths = depths;
xfd->vc.mval[0] = event->mval[0];
xfd->vc.mval[1] = event->mval[1];
xfd->prev.depth = 1.0f;
xfd->prev.is_depth_valid = false;
xfd->prev.is_normal_valid = false;
xfd->is_translate = false;
xfd->init_event = WM_userdef_event_type_from_keymap_type(event->type);
xfd->object_data.append({});
xfd->object_data.last().ob = xfd->vc.obact;
CTX_DATA_BEGIN (C, Object *, ob, selected_editable_objects) {
if ((ob != xfd->vc.obact) && object_is_target_compat(ob)) {
xfd->object_data.append({});
xfd->object_data.last().ob = ob;
}
}
CTX_DATA_END;
for (XFormAxisItem &item : xfd->object_data) {
item.obtfm = BKE_object_tfm_backup(item.ob);
BKE_object_rot_to_mat3(item.ob, item.rot_mat, true);
/* Detect negative scale matrix. */
float full_mat3[3][3];
BKE_object_to_mat3(item.ob, full_mat3);
item.is_z_flip = dot_v3v3(item.rot_mat[2], full_mat3[2]) < 0.0f;
}
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
static int object_transform_axis_target_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
XFormAxisData *xfd = static_cast<XFormAxisData *>(op->customdata);
ARegion *region = xfd->vc.region;
view3d_operator_needs_opengl(C);
const bool is_translate = event->modifier & KM_CTRL;
const bool is_translate_init = is_translate && (xfd->is_translate != is_translate);
if (event->type == MOUSEMOVE || is_translate_init) {
const ViewDepths *depths = xfd->depths;
if (depths && (uint(event->mval[0]) < depths->w) && (uint(event->mval[1]) < depths->h)) {
float depth_fl = 1.0f;
ED_view3d_depth_read_cached(depths, event->mval, 0, &depth_fl);
float location_world[3];
if (depth_fl == 1.0f) {
if (xfd->prev.is_depth_valid) {
depth_fl = xfd->prev.depth;
}
}
#ifdef USE_FAKE_DEPTH_INIT
/* First time only. */
if (depth_fl == 1.0f) {
if (xfd->prev.is_depth_valid == false) {
object_transform_axis_target_calc_depth_init(xfd, event->mval);
if (xfd->prev.is_depth_valid) {
depth_fl = xfd->prev.depth;
}
}
}
#endif
double depth = double(depth_fl);
if ((depth > depths->depth_range[0]) && (depth < depths->depth_range[1])) {
xfd->prev.depth = depth_fl;
xfd->prev.is_depth_valid = true;
if (ED_view3d_depth_unproject_v3(region, event->mval, depth, location_world)) {
if (is_translate) {
float normal[3];
bool normal_found = false;
if (ED_view3d_depth_read_cached_normal(region, depths, event->mval, normal)) {
normal_found = true;
/* cheap attempt to smooth normals out a bit! */
const int ofs = 2;
for (int x = -ofs; x <= ofs; x += ofs / 2) {
for (int y = -ofs; y <= ofs; y += ofs / 2) {
if (x != 0 && y != 0) {
const int mval_ofs[2] = {event->mval[0] + x, event->mval[1] + y};
float n[3];
if (ED_view3d_depth_read_cached_normal(region, depths, mval_ofs, n)) {
add_v3_v3(normal, n);
}
}
}
}
normalize_v3(normal);
}
else if (xfd->prev.is_normal_valid) {
copy_v3_v3(normal, xfd->prev.normal);
normal_found = true;
}
{
#ifdef USE_RELATIVE_ROTATION
if (is_translate_init && xfd->object_data.size() > 1) {
float xform_rot_offset_inv_first[3][3];
for (const int i : xfd->object_data.index_range()) {
XFormAxisItem &item = xfd->object_data[i];
copy_m3_m4(item.xform_rot_offset, item.ob->object_to_world);
normalize_m3(item.xform_rot_offset);
if (i == 0) {
invert_m3_m3(xform_rot_offset_inv_first, xfd->object_data[0].xform_rot_offset);
}
else {
mul_m3_m3m3(
item.xform_rot_offset, item.xform_rot_offset, xform_rot_offset_inv_first);
}
}
}
#endif
for (const int i : xfd->object_data.index_range()) {
XFormAxisItem &item = xfd->object_data[i];
if (is_translate_init) {
float ob_axis[3];
item.xform_dist = len_v3v3(item.ob->object_to_world[3], location_world);
normalize_v3_v3(ob_axis, item.ob->object_to_world[2]);
/* Scale to avoid adding distance when moving between surfaces. */
if (normal_found) {
float scale = fabsf(dot_v3v3(ob_axis, normal));
item.xform_dist *= scale;
}
}
float target_normal[3];
if (normal_found) {
copy_v3_v3(target_normal, normal);
}
else {
normalize_v3_v3(target_normal, item.ob->object_to_world[2]);
}
#ifdef USE_RELATIVE_ROTATION
if (normal_found) {
if (i != 0) {
mul_m3_v3(item.xform_rot_offset, target_normal);
}
}
#endif
{
float loc[3];
copy_v3_v3(loc, location_world);
madd_v3_v3fl(loc, target_normal, item.xform_dist);
object_apply_location(item.ob, loc);
/* so orient behaves as expected */
copy_v3_v3(item.ob->object_to_world[3], loc);
}
object_orient_to_location(
item.ob, item.rot_mat, item.rot_mat[2], location_world, item.is_z_flip);
DEG_id_tag_update(&item.ob->id, ID_RECALC_TRANSFORM);
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, item.ob);
}
if (normal_found) {
copy_v3_v3(xfd->prev.normal, normal);
xfd->prev.is_normal_valid = true;
}
}
}
else {
for (XFormAxisItem &item : xfd->object_data) {
if (object_orient_to_location(
item.ob, item.rot_mat, item.rot_mat[2], location_world, item.is_z_flip)) {
DEG_id_tag_update(&item.ob->id, ID_RECALC_TRANSFORM);
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, item.ob);
}
}
xfd->prev.is_normal_valid = false;
}
}
}
}
xfd->is_translate = is_translate;
ED_region_tag_redraw(xfd->vc.region);
}
bool is_finished = false;
if (ISMOUSE_BUTTON(xfd->init_event)) {
if ((event->type == xfd->init_event) && (event->val == KM_RELEASE)) {
is_finished = true;
}
}
else {
if (ELEM(event->type, LEFTMOUSE, EVT_RETKEY, EVT_PADENTER)) {
is_finished = true;
}
}
if (is_finished) {
object_transform_axis_target_free_data(op);
return OPERATOR_FINISHED;
}
if (ELEM(event->type, EVT_ESCKEY, RIGHTMOUSE)) {
object_transform_axis_target_cancel(C, op);
return OPERATOR_CANCELLED;
}
return OPERATOR_RUNNING_MODAL;
}
void OBJECT_OT_transform_axis_target(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Interactive Light Track to Cursor";
ot->description = "Interactively point cameras and lights to a location (Ctrl translates)";
ot->idname = "OBJECT_OT_transform_axis_target";
/* api callbacks */
ot->invoke = object_transform_axis_target_invoke;
ot->cancel = object_transform_axis_target_cancel;
ot->modal = object_transform_axis_target_modal;
ot->poll = ED_operator_region_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_BLOCKING;
}
#undef USE_RELATIVE_ROTATION
/** \} */
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