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5ebea2d120
Primary and secondary handles are no longer differentiated by their ids, so a bool was added to tell them apart in all the handle-related methods. Includes a minor fix in CollisionPolygon3DEditor, unrelated to editor gizmos.
425 lines
13 KiB
C++
425 lines
13 KiB
C++
/*************************************************************************/
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/* csg_gizmos.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "csg_gizmos.h"
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#include "editor/plugins/node_3d_editor_plugin.h"
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#include "scene/3d/camera_3d.h"
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///////////
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CSGShape3DGizmoPlugin::CSGShape3DGizmoPlugin() {
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Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/csg", Color(0.0, 0.4, 1, 0.15));
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create_material("shape_union_material", gizmo_color);
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create_material("shape_union_solid_material", gizmo_color);
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gizmo_color.invert();
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create_material("shape_subtraction_material", gizmo_color);
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create_material("shape_subtraction_solid_material", gizmo_color);
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gizmo_color.r = 0.95;
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gizmo_color.g = 0.95;
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gizmo_color.b = 0.95;
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create_material("shape_intersection_material", gizmo_color);
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create_material("shape_intersection_solid_material", gizmo_color);
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create_handle_material("handles");
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}
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String CSGShape3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
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if (Object::cast_to<CSGSphere3D>(cs)) {
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return "Radius";
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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return "Size";
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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return p_id == 0 ? "Radius" : "Height";
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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return p_id == 0 ? "InnerRadius" : "OuterRadius";
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}
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return "";
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}
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Variant CSGShape3DGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
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if (Object::cast_to<CSGSphere3D>(cs)) {
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CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
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return s->get_radius();
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
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return s->get_size();
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
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return p_id == 0 ? s->get_radius() : s->get_height();
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
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return p_id == 0 ? s->get_inner_radius() : s->get_outer_radius();
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}
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return Variant();
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}
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void CSGShape3DGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
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Transform3D gt = cs->get_global_transform();
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//gt.orthonormalize();
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Transform3D gi = gt.affine_inverse();
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Vector3 ray_from = p_camera->project_ray_origin(p_point);
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Vector3 ray_dir = p_camera->project_ray_normal(p_point);
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Vector3 sg[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 16384) };
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if (Object::cast_to<CSGSphere3D>(cs)) {
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CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
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Vector3 ra, rb;
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Geometry3D::get_closest_points_between_segments(Vector3(), Vector3(4096, 0, 0), sg[0], sg[1], ra, rb);
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float d = ra.x;
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if (Node3DEditor::get_singleton()->is_snap_enabled()) {
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d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
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}
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if (d < 0.001) {
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d = 0.001;
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}
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s->set_radius(d);
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
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Vector3 axis;
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axis[p_id] = 1.0;
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Vector3 ra, rb;
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Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
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float d = ra[p_id];
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if (Math::is_nan(d)) {
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// The handle is perpendicular to the camera.
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return;
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}
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if (Node3DEditor::get_singleton()->is_snap_enabled()) {
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d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
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}
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if (d < 0.001) {
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d = 0.001;
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}
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Vector3 h = s->get_size();
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h[p_id] = d * 2;
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s->set_size(h);
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
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Vector3 axis;
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axis[p_id == 0 ? 0 : 1] = 1.0;
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Vector3 ra, rb;
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Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
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float d = axis.dot(ra);
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if (Node3DEditor::get_singleton()->is_snap_enabled()) {
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d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
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}
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if (d < 0.001) {
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d = 0.001;
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}
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if (p_id == 0) {
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s->set_radius(d);
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} else if (p_id == 1) {
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s->set_height(d * 2.0);
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}
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
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Vector3 axis;
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axis[0] = 1.0;
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Vector3 ra, rb;
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Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
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float d = axis.dot(ra);
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if (Node3DEditor::get_singleton()->is_snap_enabled()) {
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d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
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}
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if (d < 0.001) {
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d = 0.001;
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}
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if (p_id == 0) {
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s->set_inner_radius(d);
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} else if (p_id == 1) {
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s->set_outer_radius(d);
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}
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}
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}
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void CSGShape3DGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
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if (Object::cast_to<CSGSphere3D>(cs)) {
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CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
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if (p_cancel) {
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s->set_radius(p_restore);
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return;
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}
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UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
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ur->create_action(TTR("Change Sphere Shape Radius"));
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ur->add_do_method(s, "set_radius", s->get_radius());
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ur->add_undo_method(s, "set_radius", p_restore);
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ur->commit_action();
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
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if (p_cancel) {
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s->set_size(p_restore);
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return;
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}
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UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
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ur->create_action(TTR("Change Box Shape Size"));
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ur->add_do_method(s, "set_size", s->get_size());
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ur->add_undo_method(s, "set_size", p_restore);
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ur->commit_action();
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
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if (p_cancel) {
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if (p_id == 0) {
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s->set_radius(p_restore);
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} else {
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s->set_height(p_restore);
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}
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return;
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}
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UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
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if (p_id == 0) {
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ur->create_action(TTR("Change Cylinder Radius"));
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ur->add_do_method(s, "set_radius", s->get_radius());
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ur->add_undo_method(s, "set_radius", p_restore);
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} else {
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ur->create_action(TTR("Change Cylinder Height"));
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ur->add_do_method(s, "set_height", s->get_height());
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ur->add_undo_method(s, "set_height", p_restore);
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}
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ur->commit_action();
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
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if (p_cancel) {
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if (p_id == 0) {
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s->set_inner_radius(p_restore);
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} else {
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s->set_outer_radius(p_restore);
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}
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return;
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}
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UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
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if (p_id == 0) {
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ur->create_action(TTR("Change Torus Inner Radius"));
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ur->add_do_method(s, "set_inner_radius", s->get_inner_radius());
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ur->add_undo_method(s, "set_inner_radius", p_restore);
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} else {
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ur->create_action(TTR("Change Torus Outer Radius"));
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ur->add_do_method(s, "set_outer_radius", s->get_outer_radius());
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ur->add_undo_method(s, "set_outer_radius", p_restore);
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}
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ur->commit_action();
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}
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}
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bool CSGShape3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
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return Object::cast_to<CSGSphere3D>(p_spatial) || Object::cast_to<CSGBox3D>(p_spatial) || Object::cast_to<CSGCylinder3D>(p_spatial) || Object::cast_to<CSGTorus3D>(p_spatial) || Object::cast_to<CSGMesh3D>(p_spatial) || Object::cast_to<CSGPolygon3D>(p_spatial);
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}
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String CSGShape3DGizmoPlugin::get_gizmo_name() const {
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return "CSGShape3D";
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}
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int CSGShape3DGizmoPlugin::get_priority() const {
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return -1;
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}
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bool CSGShape3DGizmoPlugin::is_selectable_when_hidden() const {
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return true;
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}
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void CSGShape3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
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p_gizmo->clear();
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CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
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Vector<Vector3> faces = cs->get_brush_faces();
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if (faces.size() == 0) {
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return;
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}
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Vector<Vector3> lines;
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lines.resize(faces.size() * 2);
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{
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const Vector3 *r = faces.ptr();
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for (int i = 0; i < lines.size(); i += 6) {
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int f = i / 6;
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for (int j = 0; j < 3; j++) {
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int j_n = (j + 1) % 3;
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lines.write[i + j * 2 + 0] = r[f * 3 + j];
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lines.write[i + j * 2 + 1] = r[f * 3 + j_n];
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}
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}
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}
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Ref<Material> material;
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switch (cs->get_operation()) {
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case CSGShape3D::OPERATION_UNION:
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material = get_material("shape_union_material", p_gizmo);
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break;
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case CSGShape3D::OPERATION_INTERSECTION:
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material = get_material("shape_intersection_material", p_gizmo);
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break;
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case CSGShape3D::OPERATION_SUBTRACTION:
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material = get_material("shape_subtraction_material", p_gizmo);
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break;
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}
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Ref<Material> handles_material = get_material("handles");
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p_gizmo->add_lines(lines, material);
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p_gizmo->add_collision_segments(lines);
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Array csg_meshes = cs->get_meshes();
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if (csg_meshes.size() != 2) {
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return;
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}
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Ref<Mesh> csg_mesh = csg_meshes[1];
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if (csg_mesh.is_valid()) {
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p_gizmo->add_collision_triangles(csg_mesh->generate_triangle_mesh());
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}
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if (p_gizmo->is_selected()) {
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// Draw a translucent representation of the CSG node
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Ref<ArrayMesh> mesh = memnew(ArrayMesh);
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Array array;
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array.resize(Mesh::ARRAY_MAX);
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array[Mesh::ARRAY_VERTEX] = faces;
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mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, array);
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Ref<Material> solid_material;
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switch (cs->get_operation()) {
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case CSGShape3D::OPERATION_UNION:
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solid_material = get_material("shape_union_solid_material", p_gizmo);
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break;
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case CSGShape3D::OPERATION_INTERSECTION:
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solid_material = get_material("shape_intersection_solid_material", p_gizmo);
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break;
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case CSGShape3D::OPERATION_SUBTRACTION:
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solid_material = get_material("shape_subtraction_solid_material", p_gizmo);
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break;
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}
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p_gizmo->add_mesh(mesh, solid_material);
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}
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if (Object::cast_to<CSGSphere3D>(cs)) {
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CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
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float r = s->get_radius();
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Vector<Vector3> handles;
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handles.push_back(Vector3(r, 0, 0));
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p_gizmo->add_handles(handles, handles_material);
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}
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if (Object::cast_to<CSGBox3D>(cs)) {
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CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
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Vector<Vector3> handles;
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for (int i = 0; i < 3; i++) {
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Vector3 h;
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h[i] = s->get_size()[i] / 2;
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handles.push_back(h);
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}
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p_gizmo->add_handles(handles, handles_material);
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}
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if (Object::cast_to<CSGCylinder3D>(cs)) {
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CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
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Vector<Vector3> handles;
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handles.push_back(Vector3(s->get_radius(), 0, 0));
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handles.push_back(Vector3(0, s->get_height() * 0.5, 0));
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p_gizmo->add_handles(handles, handles_material);
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}
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if (Object::cast_to<CSGTorus3D>(cs)) {
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CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
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Vector<Vector3> handles;
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handles.push_back(Vector3(s->get_inner_radius(), 0, 0));
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handles.push_back(Vector3(s->get_outer_radius(), 0, 0));
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p_gizmo->add_handles(handles, handles_material);
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}
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}
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EditorPluginCSG::EditorPluginCSG(EditorNode *p_editor) {
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Ref<CSGShape3DGizmoPlugin> gizmo_plugin = Ref<CSGShape3DGizmoPlugin>(memnew(CSGShape3DGizmoPlugin));
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Node3DEditor::get_singleton()->add_gizmo_plugin(gizmo_plugin);
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}
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