Files
test/source/blender/editors/space_view3d/view3d_snap.cc
tariqsulley fb035bfef6 Fix #147472: "Cursor to Selected" on Edit Bone causes assert
Fix assert when using Cursor to Selected on armatures which is
documented to require an evaluated object.

Ref !147526
2025-10-09 17:22:20 +11:00

1271 lines
41 KiB
C++

/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup spview3d
*/
#include "DNA_armature_types.h"
#include "DNA_object_types.h"
#include "DNA_pointcloud_types.h"
#include "BLI_bounds.hh"
#include "BLI_listbase.h"
#include "BLI_math_matrix.h"
#include "BLI_math_matrix.hh"
#include "BLI_math_rotation.h"
#include "BLI_math_vector.h"
#include "BLI_math_vector.hh"
#include "BLI_utildefines.h"
#include "BLI_vector.hh"
#include "BKE_action.hh"
#include "BKE_armature.hh"
#include "BKE_context.hh"
#include "BKE_crazyspace.hh"
#include "BKE_editmesh.hh"
#include "BKE_layer.hh"
#include "BKE_main.hh"
#include "BKE_mball.hh"
#include "BKE_object.hh"
#include "BKE_report.hh"
#include "BKE_scene.hh"
#include "BKE_tracking.h"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_query.hh"
#include "WM_api.hh"
#include "WM_types.hh"
#include "RNA_access.hh"
#include "RNA_define.hh"
#include "ED_anim_api.hh"
#include "ED_curves.hh"
#include "ED_grease_pencil.hh"
#include "ED_keyframing.hh"
#include "ED_object.hh"
#include "ED_pointcloud.hh"
#include "ED_screen.hh"
#include "ED_transverts.hh"
#include "ANIM_action.hh"
#include "ANIM_armature.hh"
#include "ANIM_bone_collections.hh"
#include "ANIM_keyframing.hh"
#include "ANIM_keyingsets.hh"
#include "view3d_intern.hh"
using blender::Vector;
static bool snap_curs_to_sel_ex(bContext *C, const int pivot_point, float r_cursor[3]);
static bool snap_calc_active_center(bContext *C, const bool select_only, float r_center[3]);
/* -------------------------------------------------------------------- */
/** \name Snap Selection to Grid Operator
* \{ */
/** Snaps every individual object center to its nearest point on the grid. */
static wmOperatorStatus snap_sel_to_grid_exec(bContext *C, wmOperator *op)
{
using namespace blender::ed;
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
ViewLayer *view_layer_eval = DEG_get_evaluated_view_layer(depsgraph);
Object *obact = CTX_data_active_object(C);
Scene *scene = CTX_data_scene(C);
ARegion *region = CTX_wm_region(C);
View3D *v3d = CTX_wm_view3d(C);
TransVertStore tvs = {nullptr};
TransVert *tv;
float gridf, imat[3][3], bmat[3][3], vec[3];
int a;
gridf = ED_view3d_grid_view_scale(scene, v3d, region, nullptr);
if (OBEDIT_FROM_OBACT(obact)) {
ViewLayer *view_layer = CTX_data_view_layer(C);
Vector<Object *> objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(
scene, view_layer, CTX_wm_view3d(C));
for (Object *obedit : objects) {
if (obedit->type == OB_MESH) {
BMEditMesh *em = BKE_editmesh_from_object(obedit);
if (em->bm->totvertsel == 0) {
continue;
}
}
if (blender::ed::object::shape_key_report_if_locked(obedit, op->reports)) {
continue;
}
if (ED_transverts_check_obedit(obedit)) {
ED_transverts_create_from_obedit(&tvs, obedit, 0);
}
if (tvs.transverts_tot != 0) {
copy_m3_m4(bmat, obedit->object_to_world().ptr());
invert_m3_m3(imat, bmat);
tv = tvs.transverts;
for (a = 0; a < tvs.transverts_tot; a++, tv++) {
copy_v3_v3(vec, tv->loc);
mul_m3_v3(bmat, vec);
add_v3_v3(vec, obedit->object_to_world().location());
vec[0] = gridf * floorf(0.5f + vec[0] / gridf);
vec[1] = gridf * floorf(0.5f + vec[1] / gridf);
vec[2] = gridf * floorf(0.5f + vec[2] / gridf);
sub_v3_v3(vec, obedit->object_to_world().location());
mul_m3_v3(imat, vec);
copy_v3_v3(tv->loc, vec);
}
ED_transverts_update_obedit(&tvs, obedit);
}
ED_transverts_free(&tvs);
}
}
else if (OBPOSE_FROM_OBACT(obact)) {
KeyingSet *ks = blender::animrig::get_keyingset_for_autokeying(scene, ANIM_KS_LOCATION_ID);
Vector<Object *> objects_eval = BKE_object_pose_array_get(scene, view_layer_eval, v3d);
for (Object *ob_eval : objects_eval) {
Object *ob = DEG_get_original(ob_eval);
bArmature *arm_eval = static_cast<bArmature *>(ob_eval->data);
invert_m4_m4(ob_eval->runtime->world_to_object.ptr(), ob_eval->object_to_world().ptr());
LISTBASE_FOREACH (bPoseChannel *, pchan_eval, &ob_eval->pose->chanbase) {
if (pchan_eval->flag & POSE_SELECTED) {
if (ANIM_bonecoll_is_visible_pchan(arm_eval, pchan_eval)) {
if ((pchan_eval->bone->flag & BONE_CONNECTED) == 0) {
float nLoc[3];
/* get nearest grid point to snap to */
copy_v3_v3(nLoc, pchan_eval->pose_mat[3]);
/* We must operate in world space! */
mul_m4_v3(ob_eval->object_to_world().ptr(), nLoc);
vec[0] = gridf * floorf(0.5f + nLoc[0] / gridf);
vec[1] = gridf * floorf(0.5f + nLoc[1] / gridf);
vec[2] = gridf * floorf(0.5f + nLoc[2] / gridf);
/* Back in object space... */
mul_m4_v3(ob_eval->world_to_object().ptr(), vec);
/* Get location of grid point in pose space. */
BKE_armature_loc_pose_to_bone(pchan_eval, vec, vec);
/* Adjust location on the original pchan. */
bPoseChannel *pchan = BKE_pose_channel_find_name(ob->pose, pchan_eval->name);
BKE_pchan_protected_location_set(pchan, vec);
/* auto-keyframing */
blender::animrig::autokeyframe_pchan(C, scene, ob, pchan, ks);
}
/* if the bone has a parent and is connected to the parent,
* don't do anything - will break chain unless we do auto-ik.
*/
}
}
}
ob->pose->flag |= (POSE_LOCKED | POSE_DO_UNLOCK);
DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
}
}
else {
/* Object mode. */
Main *bmain = CTX_data_main(C);
KeyingSet *ks = blender::animrig::get_keyingset_for_autokeying(scene, ANIM_KS_LOCATION_ID);
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);
object::XFormObjectSkipChild_Container *xcs = nullptr;
object::XFormObjectData_Container *xds = nullptr;
/* Build object array. */
Vector<Object *> objects_eval;
Vector<Object *> objects_orig;
{
FOREACH_SELECTED_EDITABLE_OBJECT_BEGIN (view_layer_eval, v3d, ob_eval) {
objects_eval.append(ob_eval);
objects_orig.append(DEG_get_original(ob_eval));
}
FOREACH_SELECTED_EDITABLE_OBJECT_END;
}
if (use_transform_skip_children) {
ViewLayer *view_layer = CTX_data_view_layer(C);
Vector<Object *> objects(objects_eval.size());
for (Object *ob_eval : objects_eval) {
objects.append_unchecked(DEG_get_original(ob_eval));
}
BKE_scene_graph_evaluated_ensure(depsgraph, bmain);
xcs = object::xform_skip_child_container_create();
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 = object::data_xform_container_create();
}
if (blender::animrig::is_autokey_on(scene)) {
ANIM_deselect_keys_in_animation_editors(C);
}
for (Object *ob_eval : objects_eval) {
Object *ob = DEG_get_original(ob_eval);
vec[0] = -ob_eval->object_to_world().location()[0] +
gridf * floorf(0.5f + ob_eval->object_to_world().location()[0] / gridf);
vec[1] = -ob_eval->object_to_world().location()[1] +
gridf * floorf(0.5f + ob_eval->object_to_world().location()[1] / gridf);
vec[2] = -ob_eval->object_to_world().location()[2] +
gridf * floorf(0.5f + ob_eval->object_to_world().location()[2] / gridf);
if (ob->parent) {
float originmat[3][3];
BKE_object_where_is_calc_ex(depsgraph, scene, nullptr, ob, originmat);
invert_m3_m3(imat, originmat);
mul_m3_v3(imat, vec);
}
const blender::float3 loc_final = blender::float3(ob_eval->loc) + blender::float3(vec);
BKE_object_protected_location_set(ob, loc_final);
/* auto-keyframing */
blender::animrig::autokeyframe_object(C, scene, ob, ks);
if (use_transform_data_origin) {
object::data_xform_container_item_ensure(xds, ob);
}
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
}
if (use_transform_skip_children) {
object::object_xform_skip_child_container_update_all(xcs, bmain, depsgraph);
object::object_xform_skip_child_container_destroy(xcs);
}
if (use_transform_data_origin) {
object::data_xform_container_update_all(xds, bmain, depsgraph);
object::data_xform_container_destroy(xds);
}
}
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_snap_selected_to_grid(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Snap Selection to Grid";
ot->description = "Snap selected item(s) to their nearest grid division";
ot->idname = "VIEW3D_OT_snap_selected_to_grid";
/* API callbacks. */
ot->exec = snap_sel_to_grid_exec;
ot->poll = ED_operator_region_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Snap Selection to Location (Utility)
* \{ */
/* Return true if the bone or any of its parents has the given runtime flag set. */
static bool pose_bone_runtime_flag_test_recursive(const bPoseChannel *pose_bone, int flag)
{
if (pose_bone->runtime.flag & flag) {
return true;
}
if (pose_bone->parent) {
return pose_bone_runtime_flag_test_recursive(pose_bone->parent, flag);
}
return false;
}
/**
* Snaps the selection as a whole (use_offset=true) or each selected object to the given location.
*
* \param target_loc_global: a location in global space to snap to
* (eg. 3D cursor or active object).
* \param target_orientation_global: a 3d cursor which will provides rotation.
* When non-null objects are rotated to match the rotation of the 3d cursor,
* otherwise, keep their original rotation.
* Note that a more generic orientation parameter could be supported in future, but for now,
* only the 3d cursor is used.
* \param use_offset: if the selected objects should maintain their relative offsets
* and be snapped by the selection pivot point (median, active),
* or if every object origin should be snapped to the given location.
*/
static bool snap_selected_to_location_rotation(bContext *C,
wmOperator *op,
const blender::float3 &target_loc_global,
const View3DCursor *target_orientation_global,
const bool use_offset,
const int pivot_point,
const bool use_toolsettings)
{
using namespace blender::ed;
Scene *scene = CTX_data_scene(C);
Object *obedit = CTX_data_edit_object(C);
Object *obact = CTX_data_active_object(C);
View3D *v3d = CTX_wm_view3d(C);
TransVertStore tvs = {nullptr};
TransVert *tv;
float imat[3][3], bmat[3][3];
float center_global[3];
float offset_global[3];
int a;
/* Some use of this needs to transform into local-space. */
const bool use_rotation = target_orientation_global != nullptr;
const blender::float3x3 target_rot_global =
target_orientation_global ? target_orientation_global->matrix<blender::float3x3>() :
blender::float3x3::zero();
if (use_offset) {
if ((pivot_point == V3D_AROUND_ACTIVE) && snap_calc_active_center(C, true, center_global)) {
/* pass */
}
else {
snap_curs_to_sel_ex(C, pivot_point, center_global);
}
sub_v3_v3v3(offset_global, target_loc_global, center_global);
}
if (obedit) {
blender::float3 target_loc_local;
ViewLayer *view_layer = CTX_data_view_layer(C);
Vector<Object *> objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(
scene, view_layer, v3d);
for (const int ob_index : objects.index_range()) {
obedit = objects[ob_index];
if (obedit->type == OB_MESH) {
BMEditMesh *em = BKE_editmesh_from_object(obedit);
if (em->bm->totvertsel == 0) {
continue;
}
}
if (blender::ed::object::shape_key_report_if_locked(obedit, op->reports)) {
continue;
}
if (ED_transverts_check_obedit(obedit)) {
ED_transverts_create_from_obedit(&tvs, obedit, 0);
}
if (tvs.transverts_tot != 0) {
copy_m3_m4(bmat, obedit->object_to_world().ptr());
invert_m3_m3(imat, bmat);
/* Get the `target_loc_global` in object space. */
sub_v3_v3v3(target_loc_local, target_loc_global, obedit->object_to_world().location());
mul_m3_v3(imat, target_loc_local);
if (use_offset) {
blender::float3 offset_local;
mul_v3_m3v3(offset_local, imat, offset_global);
tv = tvs.transverts;
for (a = 0; a < tvs.transverts_tot; a++, tv++) {
add_v3_v3(tv->loc, offset_local);
}
}
else {
tv = tvs.transverts;
for (a = 0; a < tvs.transverts_tot; a++, tv++) {
copy_v3_v3(tv->loc, target_loc_local);
}
}
ED_transverts_update_obedit(&tvs, obedit);
}
ED_transverts_free(&tvs);
}
}
else if (OBPOSE_FROM_OBACT(obact)) {
KeyingSet *ks = blender::animrig::get_keyingset_for_autokeying(scene, ANIM_KS_LOCATION_ID);
ViewLayer *view_layer = CTX_data_view_layer(C);
Vector<Object *> objects = BKE_object_pose_array_get(scene, view_layer, v3d);
Main *bmain = CTX_data_main(C);
Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
BKE_scene_graph_evaluated_ensure(depsgraph, bmain);
for (Object *ob : objects) {
bArmature *arm = static_cast<bArmature *>(ob->data);
blender::float3 target_loc_local;
invert_m4_m4(ob->runtime->world_to_object.ptr(), ob->object_to_world().ptr());
mul_v3_m4v3(target_loc_local, ob->world_to_object().ptr(), target_loc_global);
LISTBASE_FOREACH (bPoseChannel *, pchan, &ob->pose->chanbase) {
if ((pchan->flag & POSE_SELECTED) && blender::animrig::bone_is_visible(arm, pchan) &&
/* if the bone has a parent and is connected to the parent,
* don't do anything - will break chain unless we do auto-ik.
*/
(pchan->bone->flag & BONE_CONNECTED) == 0)
{
pchan->runtime.flag |= POSE_RUNTIME_TRANSFORM;
}
else {
pchan->runtime.flag &= ~POSE_RUNTIME_TRANSFORM;
}
}
LISTBASE_FOREACH (bPoseChannel *, pchan, &ob->pose->chanbase) {
if ((pchan->runtime.flag & POSE_RUNTIME_TRANSFORM) &&
/* check that our parents not transformed (if we have one) */
((pchan->bone->parent &&
pose_bone_runtime_flag_test_recursive(pchan->parent, POSE_RUNTIME_TRANSFORM)) == 0))
{
/* Get position in pchan (pose) space. */
blender::float3 target_loc_pose;
if (use_offset) {
mul_v3_m4v3(target_loc_pose, ob->object_to_world().ptr(), pchan->pose_mat[3]);
add_v3_v3(target_loc_pose, offset_global);
if (use_rotation) {
sub_v3_v3(target_loc_pose, target_loc_global);
mul_m3_v3(target_rot_global.ptr(), target_loc_pose);
add_v3_v3(target_loc_pose, target_loc_global);
}
mul_m4_v3(ob->world_to_object().ptr(), target_loc_pose);
BKE_armature_loc_pose_to_bone(pchan, target_loc_pose, target_loc_pose);
}
else {
BKE_armature_loc_pose_to_bone(pchan, target_loc_local, target_loc_pose);
}
if (use_rotation) {
BKE_pchan_mat3_to_rot(pchan, target_rot_global.ptr(), false);
if (pchan->rotmode == ROT_MODE_QUAT) {
float quat[4];
mat3_normalized_to_quat(quat, target_rot_global.ptr());
if (use_toolsettings) {
BKE_pchan_protected_rotation_quaternion_set(pchan, quat);
}
else {
copy_v4_v4(pchan->quat, quat);
}
}
else if (pchan->rotmode == ROT_MODE_AXISANGLE) {
float rot_axis[3];
float rot_angle;
mat3_to_axis_angle(rot_axis, &rot_angle, target_rot_global.ptr());
if (use_toolsettings) {
BKE_pchan_protected_rotation_axisangle_set(pchan, rot_axis, rot_angle);
}
else {
copy_v3_v3(pchan->rotAxis, rot_axis);
pchan->rotAngle = rot_angle;
}
}
else {
float rot_euler[3];
mat3_to_eulO(rot_euler, pchan->rotmode, target_rot_global.ptr());
if (use_toolsettings) {
BKE_pchan_protected_rotation_euler_set(pchan, rot_euler);
}
else {
copy_v3_v3(pchan->eul, rot_euler);
}
}
}
/* copy new position */
if (use_toolsettings) {
BKE_pchan_protected_location_set(pchan, target_loc_pose);
/* auto-keyframing */
blender::animrig::autokeyframe_pchan(C, scene, ob, pchan, ks);
}
else {
copy_v3_v3(pchan->loc, target_loc_pose);
}
}
}
LISTBASE_FOREACH (bPoseChannel *, pchan, &ob->pose->chanbase) {
pchan->runtime.flag &= ~POSE_RUNTIME_TRANSFORM;
}
ob->pose->flag |= (POSE_LOCKED | POSE_DO_UNLOCK);
DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
}
}
else {
KeyingSet *ks = blender::animrig::get_keyingset_for_autokeying(scene, ANIM_KS_LOCATION_ID);
Main *bmain = CTX_data_main(C);
Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
BKE_scene_graph_evaluated_ensure(depsgraph, bmain);
/* Reset flags. */
for (Object *ob = static_cast<Object *>(bmain->objects.first); ob;
ob = static_cast<Object *>(ob->id.next))
{
ob->flag &= ~OB_DONE;
}
/* Build object array, tag objects we're transforming. */
ViewLayer *view_layer = CTX_data_view_layer(C);
Vector<Object *> objects;
{
FOREACH_SELECTED_EDITABLE_OBJECT_BEGIN (view_layer, v3d, ob) {
objects.append(ob);
ob->flag |= OB_DONE;
}
FOREACH_SELECTED_EDITABLE_OBJECT_END;
}
const bool use_transform_skip_children = use_toolsettings &&
(scene->toolsettings->transform_flag &
SCE_XFORM_SKIP_CHILDREN);
const bool use_transform_data_origin = use_toolsettings &&
(scene->toolsettings->transform_flag &
SCE_XFORM_DATA_ORIGIN);
object::XFormObjectSkipChild_Container *xcs = nullptr;
object::XFormObjectData_Container *xds = nullptr;
if (use_transform_skip_children) {
xcs = object::xform_skip_child_container_create();
object::xform_skip_child_container_item_ensure_from_array(
xcs, scene, view_layer, objects.data(), objects.size());
}
if (use_transform_data_origin) {
xds = object::data_xform_container_create();
/* Initialize the transform data in a separate loop because the depsgraph
* may be evaluated while setting the locations. */
for (Object *ob : objects) {
object::data_xform_container_item_ensure(xds, ob);
}
}
if (blender::animrig::is_autokey_on(scene)) {
ANIM_deselect_keys_in_animation_editors(C);
}
for (Object *ob : objects) {
if (ob->parent && BKE_object_flag_test_recursive(ob->parent, OB_DONE)) {
continue;
}
blender::float3 target_loc_local; /* parent-relative */
if (use_offset) {
add_v3_v3v3(target_loc_local, ob->object_to_world().location(), offset_global);
if (use_rotation) {
sub_v3_v3(target_loc_local, target_loc_global);
mul_m3_v3(target_rot_global.ptr(), target_loc_local);
add_v3_v3(target_loc_local, target_loc_global);
}
}
else {
copy_v3_v3(target_loc_local, target_loc_global);
}
sub_v3_v3(target_loc_local, ob->object_to_world().location());
/* Calculate a parent relative copy. */
blender::float3x3 target_rot = target_rot_global;
if (ob->parent) {
float originmat[3][3], parentmat[4][4];
/* Use the evaluated object here because sometimes
* `ob->parent->runtime->curve_cache` is required. */
BKE_scene_graph_evaluated_ensure(depsgraph, bmain);
Object *ob_eval = DEG_get_evaluated(depsgraph, ob);
BKE_object_get_parent_matrix(ob_eval, ob_eval->parent, parentmat);
mul_m3_m4m4(originmat, parentmat, ob->parentinv);
invert_m3_m3(imat, originmat);
mul_m3_v3(imat, target_loc_local);
mul_m3_m3m3(target_rot.ptr(), imat, target_rot.ptr());
}
if (use_toolsettings) {
const blender::float3 loc_final = blender::float3(ob->loc) + target_loc_local;
BKE_object_protected_location_set(ob, loc_final);
/* auto-keyframing */
blender::animrig::autokeyframe_object(C, scene, ob, ks);
}
else {
add_v3_v3(ob->loc, target_loc_local);
}
if (use_rotation) {
const bool assign_rotation_directly = (ob->rotmode ==
target_orientation_global->rotation_mode &&
ob->parent == nullptr);
if (ob->rotmode == ROT_MODE_QUAT) {
float quat[4];
if (assign_rotation_directly) {
copy_v4_v4(quat, target_orientation_global->rotation_quaternion);
}
else {
mat3_normalized_to_quat(quat, target_rot.ptr());
}
if (use_toolsettings) {
BKE_object_protected_rotation_quaternion_set(ob, quat);
}
else {
copy_v4_v4(ob->quat, quat);
}
}
else if (ob->rotmode == ROT_MODE_AXISANGLE) {
float rot_axis[3];
float rot_angle;
if (assign_rotation_directly) {
copy_v3_v3(rot_axis, target_orientation_global->rotation_axis);
rot_angle = target_orientation_global->rotation_angle;
}
else {
mat3_to_axis_angle(rot_axis, &rot_angle, target_rot.ptr());
}
if (use_toolsettings) {
BKE_object_protected_rotation_axisangle_set(ob, rot_axis, rot_angle);
}
else {
copy_v3_v3(ob->rotAxis, rot_axis);
ob->rotAngle = rot_angle;
}
}
else {
float rot_euler[3];
if (assign_rotation_directly) {
copy_v3_v3(rot_euler, target_orientation_global->rotation_euler);
}
else {
mat3_to_eulO(rot_euler, ob->rotmode, target_rot.ptr());
}
if (use_toolsettings) {
BKE_object_protected_rotation_euler_set(ob, rot_euler);
}
else {
copy_v3_v3(ob->rot, rot_euler);
}
}
/* auto-keyframing */
blender::animrig::autokeyframe_object(C, scene, ob, ks);
}
DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
}
if (use_transform_skip_children) {
object::object_xform_skip_child_container_update_all(xcs, bmain, depsgraph);
object::object_xform_skip_child_container_destroy(xcs);
}
if (use_transform_data_origin) {
object::data_xform_container_update_all(xds, bmain, depsgraph);
object::data_xform_container_destroy(xds);
}
}
WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, nullptr);
return true;
}
bool ED_view3d_snap_selected_to_location(bContext *C,
wmOperator *op,
const float target_loc_global[3],
const int pivot_point)
{
/* These could be passed as arguments if needed. */
/* Always use pivot point. */
const bool use_offset = true;
/* Disable object protected flags & auto-keyframing,
* so this can be used as a low level function. */
const bool use_toolsettings = false;
return snap_selected_to_location_rotation(
C, op, target_loc_global, nullptr, use_offset, pivot_point, use_toolsettings);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Snap Selection to Cursor Operator
* \{ */
static wmOperatorStatus snap_selected_to_cursor_exec(bContext *C, wmOperator *op)
{
const bool use_offset = RNA_boolean_get(op->ptr, "use_offset");
const bool use_rotation = RNA_boolean_get(op->ptr, "use_rotation");
Scene *scene = CTX_data_scene(C);
const float *target_loc_global = scene->cursor.location;
const View3DCursor *snap_orientation = use_rotation ? &scene->cursor : nullptr;
const int pivot_point = scene->toolsettings->transform_pivot_point;
if (snap_selected_to_location_rotation(
C, op, target_loc_global, snap_orientation, use_offset, pivot_point, true))
{
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_snap_selected_to_cursor(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Snap Selection to Cursor";
ot->description = "Snap selected item(s) to the 3D cursor";
ot->idname = "VIEW3D_OT_snap_selected_to_cursor";
/* API callbacks. */
ot->exec = snap_selected_to_cursor_exec;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* rna */
RNA_def_boolean(ot->srna,
"use_offset",
true,
"Offset",
"If the selection should be snapped as a whole or by each object center");
RNA_def_boolean(ot->srna,
"use_rotation",
false,
"Rotation",
"If the selection should be rotated to match the cursor");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Snap Selection to Active Operator
* \{ */
/** Snaps each selected object to the location of the active selected object. */
static wmOperatorStatus snap_selected_to_active_exec(bContext *C, wmOperator *op)
{
float target_loc_global[3];
if (snap_calc_active_center(C, false, target_loc_global) == false) {
BKE_report(op->reports, RPT_ERROR, "No active element found!");
return OPERATOR_CANCELLED;
}
if (!snap_selected_to_location_rotation(C, op, target_loc_global, nullptr, false, -1, true)) {
return OPERATOR_CANCELLED;
}
return OPERATOR_FINISHED;
}
void VIEW3D_OT_snap_selected_to_active(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Snap Selection to Active";
ot->description = "Snap selected item(s) to the active item";
ot->idname = "VIEW3D_OT_snap_selected_to_active";
/* API callbacks. */
ot->exec = snap_selected_to_active_exec;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Snap Cursor to Grid Operator
* \{ */
/** Snaps the 3D cursor location to its nearest point on the grid. */
static wmOperatorStatus snap_curs_to_grid_exec(bContext *C, wmOperator * /*op*/)
{
Scene *scene = CTX_data_scene(C);
ARegion *region = CTX_wm_region(C);
View3D *v3d = CTX_wm_view3d(C);
float gridf, *curs;
gridf = ED_view3d_grid_view_scale(scene, v3d, region, nullptr);
curs = scene->cursor.location;
curs[0] = gridf * floorf(0.5f + curs[0] / gridf);
curs[1] = gridf * floorf(0.5f + curs[1] / gridf);
curs[2] = gridf * floorf(0.5f + curs[2] / gridf);
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, nullptr); /* hrm */
DEG_id_tag_update(&scene->id, ID_RECALC_SYNC_TO_EVAL);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_snap_cursor_to_grid(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Snap Cursor to Grid";
ot->description = "Snap 3D cursor to the nearest grid division";
ot->idname = "VIEW3D_OT_snap_cursor_to_grid";
/* API callbacks. */
ot->exec = snap_curs_to_grid_exec;
ot->poll = ED_operator_region_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Snap Cursor to Selection Operator
* \{ */
/**
* Returns the center position of a tracking marker visible on the viewport
* (useful to snap to).
*/
static void bundle_midpoint(Scene *scene, Object *ob, float r_vec[3])
{
MovieClip *clip = BKE_object_movieclip_get(scene, ob, false);
bool ok = false;
float min[3], max[3], mat[4][4], pos[3], cammat[4][4];
if (!clip) {
return;
}
MovieTracking *tracking = &clip->tracking;
copy_m4_m4(cammat, ob->object_to_world().ptr());
BKE_tracking_get_camera_object_matrix(ob, mat);
INIT_MINMAX(min, max);
LISTBASE_FOREACH (MovieTrackingObject *, tracking_object, &tracking->objects) {
float obmat[4][4];
if (tracking_object->flag & TRACKING_OBJECT_CAMERA) {
copy_m4_m4(obmat, mat);
}
else {
float imat[4][4];
BKE_tracking_camera_get_reconstructed_interpolate(
tracking, tracking_object, scene->r.cfra, imat);
invert_m4(imat);
mul_m4_m4m4(obmat, cammat, imat);
}
LISTBASE_FOREACH (const MovieTrackingTrack *, track, &tracking_object->tracks) {
if ((track->flag & TRACK_HAS_BUNDLE) && TRACK_SELECTED(track)) {
ok = true;
mul_v3_m4v3(pos, obmat, track->bundle_pos);
minmax_v3v3_v3(min, max, pos);
}
}
}
if (ok) {
mid_v3_v3v3(r_vec, min, max);
}
}
/** Snaps the 3D cursor location to the median point of the selection. */
static bool snap_curs_to_sel_ex(bContext *C, const int pivot_point, float r_cursor[3])
{
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
ViewLayer *view_layer_eval = DEG_get_evaluated_view_layer(depsgraph);
Object *obedit = CTX_data_edit_object(C);
Scene *scene = CTX_data_scene(C);
View3D *v3d = CTX_wm_view3d(C);
TransVertStore tvs = {nullptr};
TransVert *tv;
float bmat[3][3], vec[3], min[3], max[3], centroid[3];
int count = 0;
INIT_MINMAX(min, max);
zero_v3(centroid);
if (obedit) {
ViewLayer *view_layer = CTX_data_view_layer(C);
Vector<Object *> objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(
scene, view_layer, CTX_wm_view3d(C));
for (const int ob_index : objects.index_range()) {
obedit = objects[ob_index];
/* We can do that quick check for meshes only... */
if (obedit->type == OB_MESH) {
BMEditMesh *em = BKE_editmesh_from_object(obedit);
if (em->bm->totvertsel == 0) {
continue;
}
}
if (ED_transverts_check_obedit(obedit)) {
const Object *obedit_eval = DEG_get_evaluated(depsgraph, obedit);
ED_transverts_create_from_obedit(&tvs, obedit_eval, TM_ALL_JOINTS | TM_SKIP_HANDLES);
}
count += tvs.transverts_tot;
if (tvs.transverts_tot != 0) {
Object *obedit_eval = DEG_get_evaluated(depsgraph, obedit);
copy_m3_m4(bmat, obedit_eval->object_to_world().ptr());
tv = tvs.transverts;
for (int i = 0; i < tvs.transverts_tot; i++, tv++) {
copy_v3_v3(vec, tv->loc);
mul_m3_v3(bmat, vec);
add_v3_v3(vec, obedit_eval->object_to_world().location());
add_v3_v3(centroid, vec);
minmax_v3v3_v3(min, max, vec);
}
}
ED_transverts_free(&tvs);
}
}
else {
Object *obact = CTX_data_active_object(C);
if (obact && (obact->mode & OB_MODE_POSE)) {
Object *obact_eval = DEG_get_evaluated(depsgraph, obact);
bArmature *arm = static_cast<bArmature *>(obact_eval->data);
LISTBASE_FOREACH (bPoseChannel *, pchan, &obact_eval->pose->chanbase) {
if (ANIM_bonecoll_is_visible_pchan(arm, pchan)) {
if (pchan->flag & POSE_SELECTED) {
copy_v3_v3(vec, pchan->pose_head);
mul_m4_v3(obact_eval->object_to_world().ptr(), vec);
add_v3_v3(centroid, vec);
minmax_v3v3_v3(min, max, vec);
count++;
}
}
}
}
else {
FOREACH_SELECTED_OBJECT_BEGIN (view_layer_eval, v3d, ob_eval) {
copy_v3_v3(vec, ob_eval->object_to_world().location());
/* special case for camera -- snap to bundles */
if (ob_eval->type == OB_CAMERA) {
/* snap to bundles should happen only when bundles are visible */
if (v3d->flag2 & V3D_SHOW_RECONSTRUCTION) {
bundle_midpoint(scene, DEG_get_original(ob_eval), vec);
}
}
add_v3_v3(centroid, vec);
minmax_v3v3_v3(min, max, vec);
count++;
}
FOREACH_SELECTED_OBJECT_END;
}
}
if (count == 0) {
return false;
}
if (pivot_point == V3D_AROUND_CENTER_BOUNDS) {
mid_v3_v3v3(r_cursor, min, max);
}
else {
mul_v3_fl(centroid, 1.0f / float(count));
copy_v3_v3(r_cursor, centroid);
}
return true;
}
static wmOperatorStatus snap_curs_to_sel_exec(bContext *C, wmOperator * /*op*/)
{
Scene *scene = CTX_data_scene(C);
const int pivot_point = scene->toolsettings->transform_pivot_point;
if (snap_curs_to_sel_ex(C, pivot_point, scene->cursor.location)) {
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, nullptr);
DEG_id_tag_update(&scene->id, ID_RECALC_SYNC_TO_EVAL);
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_snap_cursor_to_selected(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Snap Cursor to Selected";
ot->description = "Snap 3D cursor to the middle of the selected item(s)";
ot->idname = "VIEW3D_OT_snap_cursor_to_selected";
/* API callbacks. */
ot->exec = snap_curs_to_sel_exec;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Snap Cursor to Active Operator
* \{ */
/**
* Calculates the center position of the active object in global space.
*
* NOTE: this could be exported to be a generic function.
* see: #calculateCenterActive
*/
static bool snap_calc_active_center(bContext *C, const bool select_only, float r_center[3])
{
Object *ob = CTX_data_active_object(C);
if (ob == nullptr) {
return false;
}
return blender::ed::object::calc_active_center(ob, select_only, r_center);
}
static wmOperatorStatus snap_curs_to_active_exec(bContext *C, wmOperator * /*op*/)
{
Scene *scene = CTX_data_scene(C);
if (snap_calc_active_center(C, false, scene->cursor.location)) {
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, nullptr);
DEG_id_tag_update(&scene->id, ID_RECALC_SYNC_TO_EVAL);
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_snap_cursor_to_active(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Snap Cursor to Active";
ot->description = "Snap 3D cursor to the active item";
ot->idname = "VIEW3D_OT_snap_cursor_to_active";
/* API callbacks. */
ot->exec = snap_curs_to_active_exec;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Snap Cursor to Center Operator
* \{ */
/** Snaps the 3D cursor location to the origin and clears cursor rotation. */
static wmOperatorStatus snap_curs_to_center_exec(bContext *C, wmOperator * /*op*/)
{
Scene *scene = CTX_data_scene(C);
scene->cursor.set_matrix(blender::float4x4::identity(), false);
DEG_id_tag_update(&scene->id, ID_RECALC_SYNC_TO_EVAL);
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, nullptr);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_snap_cursor_to_center(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Snap Cursor to World Origin";
ot->description = "Snap 3D cursor to the world origin";
ot->idname = "VIEW3D_OT_snap_cursor_to_center";
/* API callbacks. */
ot->exec = snap_curs_to_center_exec;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = OPTYPE_REGISTER;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Min/Max Object Vertices Utility
* \{ */
static std::optional<blender::Bounds<blender::float3>> bounds_min_max_with_transform(
const blender::float4x4 &transform,
const blender::Span<blender::float3> positions,
const blender::IndexMask &mask)
{
using namespace blender;
if (mask.is_empty()) {
return std::nullopt;
}
return threading::parallel_reduce(
mask.index_range(),
1024,
Bounds<float3>(math::transform_point(transform, positions[mask.first()])),
[&](const IndexRange range, Bounds<float3> init) {
mask.slice(range).foreach_index([&](const int i) {
math::min_max(math::transform_point(transform, positions[i]), init.min, init.max);
});
return init;
},
[](const Bounds<float3> &a, const Bounds<float3> &b) { return bounds::merge(a, b); });
}
bool ED_view3d_minmax_verts(const Scene *scene, Object *obedit, float r_min[3], float r_max[3])
{
using namespace blender;
using namespace blender::ed;
TransVertStore tvs = {nullptr};
TransVert *tv;
float centroid[3], vec[3], bmat[3][3];
/* Meta-balls are an exception. */
if (obedit->type == OB_MBALL) {
float ob_min[3], ob_max[3];
bool changed;
changed = BKE_mball_minmax_ex(static_cast<const MetaBall *>(obedit->data),
ob_min,
ob_max,
obedit->object_to_world().ptr(),
SELECT);
if (changed) {
minmax_v3v3_v3(r_min, r_max, ob_min);
minmax_v3v3_v3(r_min, r_max, ob_max);
}
return changed;
}
if (obedit->type == OB_POINTCLOUD) {
const Object &ob_orig = *DEG_get_original(obedit);
const PointCloud &pointcloud = *static_cast<const PointCloud *>(ob_orig.data);
IndexMaskMemory memory;
const IndexMask mask = pointcloud::retrieve_selected_points(pointcloud, memory);
const std::optional<Bounds<float3>> bounds = bounds_min_max_with_transform(
obedit->object_to_world(), pointcloud.positions(), mask);
if (bounds) {
minmax_v3v3_v3(r_min, r_max, bounds->min);
minmax_v3v3_v3(r_min, r_max, bounds->max);
return true;
}
return false;
}
if (obedit->type == OB_CURVES) {
const Object &ob_orig = *DEG_get_original(obedit);
const Curves &curves_id = *static_cast<const Curves *>(ob_orig.data);
const bke::CurvesGeometry &curves = curves_id.geometry.wrap();
IndexMaskMemory memory;
const IndexMask mask = curves::retrieve_selected_points(curves, memory);
const bke::crazyspace::GeometryDeformation deformation =
bke::crazyspace::get_evaluated_curves_deformation(obedit, ob_orig);
const std::optional<Bounds<float3>> bounds = bounds_min_max_with_transform(
obedit->object_to_world(), deformation.positions, mask);
if (bounds) {
minmax_v3v3_v3(r_min, r_max, bounds->min);
minmax_v3v3_v3(r_min, r_max, bounds->max);
return true;
}
return false;
}
if (obedit->type == OB_GREASE_PENCIL) {
Object &ob_orig = *DEG_get_original(obedit);
GreasePencil &grease_pencil = *static_cast<GreasePencil *>(ob_orig.data);
std::optional<Bounds<float3>> bounds = std::nullopt;
const Vector<greasepencil::MutableDrawingInfo> drawings =
greasepencil::retrieve_editable_drawings(*scene, grease_pencil);
for (const greasepencil::MutableDrawingInfo info : drawings) {
const bke::CurvesGeometry &curves = info.drawing.strokes();
if (curves.is_empty()) {
continue;
}
IndexMaskMemory memory;
const IndexMask points = greasepencil::retrieve_editable_and_selected_points(
ob_orig, info.drawing, info.layer_index, memory);
if (points.is_empty()) {
continue;
}
const bke::crazyspace::GeometryDeformation deformation =
bke::crazyspace::get_evaluated_grease_pencil_drawing_deformation(
obedit, ob_orig, info.drawing);
const bke::greasepencil::Layer &layer = grease_pencil.layer(info.layer_index);
const float4x4 layer_to_world = layer.to_world_space(*obedit);
bounds = bounds::merge(
bounds, bounds_min_max_with_transform(layer_to_world, deformation.positions, points));
}
if (bounds) {
minmax_v3v3_v3(r_min, r_max, bounds->min);
minmax_v3v3_v3(r_min, r_max, bounds->max);
return true;
}
return false;
}
if (ED_transverts_check_obedit(obedit)) {
ED_transverts_create_from_obedit(&tvs, obedit, TM_ALL_JOINTS | TM_CALC_MAPLOC);
}
if (tvs.transverts_tot == 0) {
return false;
}
copy_m3_m4(bmat, obedit->object_to_world().ptr());
tv = tvs.transverts;
for (int a = 0; a < tvs.transverts_tot; a++, tv++) {
copy_v3_v3(vec, (tv->flag & TX_VERT_USE_MAPLOC) ? tv->maploc : tv->loc);
mul_m3_v3(bmat, vec);
add_v3_v3(vec, obedit->object_to_world().location());
add_v3_v3(centroid, vec);
minmax_v3v3_v3(r_min, r_max, vec);
}
ED_transverts_free(&tvs);
return true;
}
/** \} */