View3D: expose snap selection as a utility funciton
This makes it convenient to position appended objects, see: T92111.
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@ -229,6 +229,11 @@ typedef enum {
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(V3D_PROJ_TEST_CLIP_CONTENT | V3D_PROJ_TEST_CLIP_NEAR | V3D_PROJ_TEST_CLIP_FAR | \
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V3D_PROJ_TEST_CLIP_WIN)
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/* view3d_snap.c */
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bool ED_view3d_snap_selected_to_location(struct bContext *C,
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const float snap_target_global[3],
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const int pivot_point);
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/* view3d_cursor_snap.c */
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#define USE_SNAP_DETECT_FROM_KEYMAP_HACK
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typedef enum {
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@ -58,7 +58,7 @@
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#include "view3d_intern.h"
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static bool snap_curs_to_sel_ex(bContext *C, float cursor[3]);
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static bool snap_curs_to_sel_ex(bContext *C, const int pivot_point, float r_cursor[3]);
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static bool snap_calc_active_center(bContext *C, const bool select_only, float r_center[3]);
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/* -------------------------------------------------------------------- */
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@ -310,9 +310,11 @@ void VIEW3D_OT_snap_selected_to_grid(wmOperatorType *ot)
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* and be snapped by the selection pivot point (median, active),
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* or if every object origin should be snapped to the given location.
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*/
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static int snap_selected_to_location(bContext *C,
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const float snap_target_global[3],
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const bool use_offset)
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static bool snap_selected_to_location(bContext *C,
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const float snap_target_global[3],
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const bool use_offset,
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const int pivot_point,
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const bool use_toolsettings)
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{
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Scene *scene = CTX_data_scene(C);
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Object *obedit = CTX_data_edit_object(C);
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@ -326,12 +328,11 @@ static int snap_selected_to_location(bContext *C,
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int a;
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if (use_offset) {
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if ((scene->toolsettings->transform_pivot_point == V3D_AROUND_ACTIVE) &&
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snap_calc_active_center(C, true, center_global)) {
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if ((pivot_point == V3D_AROUND_ACTIVE) && snap_calc_active_center(C, true, center_global)) {
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/* pass */
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}
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else {
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snap_curs_to_sel_ex(C, center_global);
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snap_curs_to_sel_ex(C, pivot_point, center_global);
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}
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sub_v3_v3v3(offset_global, snap_target_global, center_global);
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}
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@ -341,7 +342,7 @@ static int snap_selected_to_location(bContext *C,
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ViewLayer *view_layer = CTX_data_view_layer(C);
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uint objects_len = 0;
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Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(
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view_layer, CTX_wm_view3d(C), &objects_len);
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view_layer, v3d, &objects_len);
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for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
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obedit = objects[ob_index];
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@ -435,18 +436,23 @@ static int snap_selected_to_location(bContext *C,
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}
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/* copy new position */
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if ((pchan->protectflag & OB_LOCK_LOCX) == 0) {
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pchan->loc[0] = cursor_pose[0];
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}
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if ((pchan->protectflag & OB_LOCK_LOCY) == 0) {
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pchan->loc[1] = cursor_pose[1];
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}
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if ((pchan->protectflag & OB_LOCK_LOCZ) == 0) {
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pchan->loc[2] = cursor_pose[2];
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}
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if (use_toolsettings) {
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if ((pchan->protectflag & OB_LOCK_LOCX) == 0) {
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pchan->loc[0] = cursor_pose[0];
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}
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if ((pchan->protectflag & OB_LOCK_LOCY) == 0) {
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pchan->loc[1] = cursor_pose[1];
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}
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if ((pchan->protectflag & OB_LOCK_LOCZ) == 0) {
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pchan->loc[2] = cursor_pose[2];
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}
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/* auto-keyframing */
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ED_autokeyframe_pchan(C, scene, ob, pchan, ks);
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/* auto-keyframing */
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ED_autokeyframe_pchan(C, scene, ob, pchan, ks);
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}
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else {
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copy_v3_v3(pchan->loc, cursor_pose);
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}
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}
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}
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@ -484,9 +490,11 @@ static int snap_selected_to_location(bContext *C,
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objects_len = BLI_array_len(objects);
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}
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const bool use_transform_skip_children = (scene->toolsettings->transform_flag &
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const bool use_transform_skip_children = use_toolsettings &&
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(scene->toolsettings->transform_flag &
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SCE_XFORM_SKIP_CHILDREN);
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const bool use_transform_data_origin = (scene->toolsettings->transform_flag &
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const bool use_transform_data_origin = use_toolsettings &&
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(scene->toolsettings->transform_flag &
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SCE_XFORM_DATA_ORIGIN);
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struct XFormObjectSkipChild_Container *xcs = NULL;
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struct XFormObjectData_Container *xds = NULL;
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@ -538,18 +546,23 @@ static int snap_selected_to_location(bContext *C,
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invert_m3_m3(imat, originmat);
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mul_m3_v3(imat, cursor_parent);
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}
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if ((ob->protectflag & OB_LOCK_LOCX) == 0) {
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ob->loc[0] += cursor_parent[0];
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}
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if ((ob->protectflag & OB_LOCK_LOCY) == 0) {
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ob->loc[1] += cursor_parent[1];
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}
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if ((ob->protectflag & OB_LOCK_LOCZ) == 0) {
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ob->loc[2] += cursor_parent[2];
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}
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if (use_toolsettings) {
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if ((ob->protectflag & OB_LOCK_LOCX) == 0) {
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ob->loc[0] += cursor_parent[0];
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}
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if ((ob->protectflag & OB_LOCK_LOCY) == 0) {
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ob->loc[1] += cursor_parent[1];
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}
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if ((ob->protectflag & OB_LOCK_LOCZ) == 0) {
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ob->loc[2] += cursor_parent[2];
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}
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/* auto-keyframing */
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ED_autokeyframe_object(C, scene, ob, ks);
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/* auto-keyframing */
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ED_autokeyframe_object(C, scene, ob, ks);
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}
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else {
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add_v3_v3(ob->loc, cursor_parent);
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}
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DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM);
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}
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@ -570,7 +583,21 @@ static int snap_selected_to_location(bContext *C,
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WM_event_add_notifier(C, NC_OBJECT | ND_TRANSFORM, NULL);
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return OPERATOR_FINISHED;
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return true;
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}
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bool ED_view3d_snap_selected_to_location(bContext *C,
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const float snap_target_global[3],
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const int pivot_point)
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{
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/* These could be passed as arguments if needed. */
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/* Always use pivot point. */
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const bool use_offset = true;
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/* Disable object protected flags & auto-keyframing,
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* so this can be used as a low level function. */
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const bool use_toolsettings = false;
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return snap_selected_to_location(
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C, snap_target_global, use_offset, pivot_point, use_toolsettings);
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}
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/** \} */
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@ -586,8 +613,12 @@ static int snap_selected_to_cursor_exec(bContext *C, wmOperator *op)
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Scene *scene = CTX_data_scene(C);
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const float *snap_target_global = scene->cursor.location;
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const int pivot_point = scene->toolsettings->transform_pivot_point;
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return snap_selected_to_location(C, snap_target_global, use_offset);
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if (snap_selected_to_location(C, snap_target_global, pivot_point, use_offset, true)) {
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return OPERATOR_CANCELLED;
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}
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return OPERATOR_FINISHED;
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}
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void VIEW3D_OT_snap_selected_to_cursor(wmOperatorType *ot)
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@ -628,7 +659,10 @@ static int snap_selected_to_active_exec(bContext *C, wmOperator *op)
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return OPERATOR_CANCELLED;
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}
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return snap_selected_to_location(C, snap_target_global, false);
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if (!snap_selected_to_location(C, snap_target_global, -1, false, true)) {
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return OPERATOR_CANCELLED;
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}
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return OPERATOR_FINISHED;
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}
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void VIEW3D_OT_snap_selected_to_active(wmOperatorType *ot)
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@ -752,7 +786,7 @@ static void bundle_midpoint(Scene *scene, Object *ob, float r_vec[3])
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}
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/** Snaps the 3D cursor location to the median point of the selection. */
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static bool snap_curs_to_sel_ex(bContext *C, float cursor[3])
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static bool snap_curs_to_sel_ex(bContext *C, const int pivot_point, float r_cursor[3])
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{
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Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
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ViewLayer *view_layer_eval = DEG_get_evaluated_view_layer(depsgraph);
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@ -849,12 +883,12 @@ static bool snap_curs_to_sel_ex(bContext *C, float cursor[3])
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return false;
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}
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if (scene->toolsettings->transform_pivot_point == V3D_AROUND_CENTER_BOUNDS) {
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mid_v3_v3v3(cursor, min, max);
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if (pivot_point == V3D_AROUND_CENTER_BOUNDS) {
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mid_v3_v3v3(r_cursor, min, max);
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}
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else {
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mul_v3_fl(centroid, 1.0f / (float)count);
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copy_v3_v3(cursor, centroid);
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copy_v3_v3(r_cursor, centroid);
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}
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return true;
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}
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@ -862,7 +896,8 @@ static bool snap_curs_to_sel_ex(bContext *C, float cursor[3])
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static int snap_curs_to_sel_exec(bContext *C, wmOperator *UNUSED(op))
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{
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Scene *scene = CTX_data_scene(C);
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if (snap_curs_to_sel_ex(C, scene->cursor.location)) {
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const int pivot_point = scene->toolsettings->transform_pivot_point;
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if (snap_curs_to_sel_ex(C, pivot_point, scene->cursor.location)) {
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WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, NULL);
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DEG_id_tag_update(&scene->id, ID_RECALC_COPY_ON_WRITE);
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