361 lines
11 KiB
C++
361 lines
11 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) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 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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///////////
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CSGShapeSpatialGizmoPlugin::CSGShapeSpatialGizmoPlugin() {
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Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/csg", Color(0.2, 0.5, 1, 0.1));
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create_material("shape_material", gizmo_color);
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create_handle_material("handles");
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}
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String CSGShapeSpatialGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
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CSGShape *cs = Object::cast_to<CSGShape>(p_gizmo->get_spatial_node());
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if (Object::cast_to<CSGSphere>(cs)) {
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return "Radius";
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}
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if (Object::cast_to<CSGBox>(cs)) {
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static const char *hname[3] = { "Width", "Height", "Depth" };
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return hname[p_idx];
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}
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if (Object::cast_to<CSGCylinder>(cs)) {
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return p_idx == 0 ? "Radius" : "Height";
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}
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if (Object::cast_to<CSGTorus>(cs)) {
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return p_idx == 0 ? "InnerRadius" : "OuterRadius";
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}
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return "";
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}
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Variant CSGShapeSpatialGizmoPlugin::get_handle_value(EditorSpatialGizmo *p_gizmo, int p_idx) const {
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CSGShape *cs = Object::cast_to<CSGShape>(p_gizmo->get_spatial_node());
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if (Object::cast_to<CSGSphere>(cs)) {
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CSGSphere *s = Object::cast_to<CSGSphere>(cs);
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return s->get_radius();
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}
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if (Object::cast_to<CSGBox>(cs)) {
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CSGBox *s = Object::cast_to<CSGBox>(cs);
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switch (p_idx) {
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case 0: return s->get_width();
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case 1: return s->get_height();
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case 2: return s->get_depth();
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}
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}
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if (Object::cast_to<CSGCylinder>(cs)) {
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CSGCylinder *s = Object::cast_to<CSGCylinder>(cs);
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return p_idx == 0 ? s->get_radius() : s->get_height();
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}
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if (Object::cast_to<CSGTorus>(cs)) {
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CSGTorus *s = Object::cast_to<CSGTorus>(cs);
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return p_idx == 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 CSGShapeSpatialGizmoPlugin::set_handle(EditorSpatialGizmo *p_gizmo, int p_idx, Camera *p_camera, const Point2 &p_point) {
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CSGShape *cs = Object::cast_to<CSGShape>(p_gizmo->get_spatial_node());
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Transform gt = cs->get_global_transform();
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//gt.orthonormalize();
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Transform 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<CSGSphere>(cs)) {
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CSGSphere *s = Object::cast_to<CSGSphere>(cs);
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Vector3 ra, rb;
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Geometry::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 (d < 0.001)
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d = 0.001;
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s->set_radius(d);
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}
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if (Object::cast_to<CSGBox>(cs)) {
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CSGBox *s = Object::cast_to<CSGBox>(cs);
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Vector3 axis;
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axis[p_idx] = 1.0;
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Vector3 ra, rb;
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Geometry::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
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float d = ra[p_idx];
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if (d < 0.001)
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d = 0.001;
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switch (p_idx) {
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case 0: s->set_width(d); break;
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case 1: s->set_height(d); break;
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case 2: s->set_depth(d); break;
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}
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}
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if (Object::cast_to<CSGCylinder>(cs)) {
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CSGCylinder *s = Object::cast_to<CSGCylinder>(cs);
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Vector3 axis;
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axis[p_idx == 0 ? 0 : 1] = 1.0;
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Vector3 ra, rb;
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Geometry::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 (d < 0.001)
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d = 0.001;
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if (p_idx == 0)
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s->set_radius(d);
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else if (p_idx == 1)
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s->set_height(d * 2.0);
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}
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if (Object::cast_to<CSGTorus>(cs)) {
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CSGTorus *s = Object::cast_to<CSGTorus>(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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Geometry::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 (d < 0.001)
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d = 0.001;
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if (p_idx == 0)
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s->set_inner_radius(d);
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else if (p_idx == 1)
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s->set_outer_radius(d);
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}
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}
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void CSGShapeSpatialGizmoPlugin::commit_handle(EditorSpatialGizmo *p_gizmo, int p_idx, const Variant &p_restore, bool p_cancel) {
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CSGShape *cs = Object::cast_to<CSGShape>(p_gizmo->get_spatial_node());
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if (Object::cast_to<CSGSphere>(cs)) {
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CSGSphere *s = Object::cast_to<CSGSphere>(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 = SpatialEditor::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<CSGBox>(cs)) {
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CSGBox *s = Object::cast_to<CSGBox>(cs);
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if (p_cancel) {
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switch (p_idx) {
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case 0: s->set_width(p_restore); break;
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case 1: s->set_height(p_restore); break;
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case 2: s->set_depth(p_restore); break;
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}
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return;
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}
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UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
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ur->create_action(TTR("Change Box Shape Extents"));
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static const char *method[3] = { "set_width", "set_height", "set_depth" };
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float current;
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switch (p_idx) {
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case 0: current = s->get_width(); break;
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case 1: current = s->get_height(); break;
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case 2: current = s->get_depth(); break;
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}
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ur->add_do_method(s, method[p_idx], current);
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ur->add_undo_method(s, method[p_idx], p_restore);
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ur->commit_action();
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}
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if (Object::cast_to<CSGCylinder>(cs)) {
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CSGCylinder *s = Object::cast_to<CSGCylinder>(cs);
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if (p_cancel) {
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if (p_idx == 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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return;
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}
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UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
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if (p_idx == 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<CSGTorus>(cs)) {
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CSGTorus *s = Object::cast_to<CSGTorus>(cs);
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if (p_cancel) {
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if (p_idx == 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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return;
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}
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UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
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if (p_idx == 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 CSGShapeSpatialGizmoPlugin::has_gizmo(Spatial *p_spatial) {
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return Object::cast_to<CSGSphere>(p_spatial) || Object::cast_to<CSGBox>(p_spatial) || Object::cast_to<CSGCylinder>(p_spatial) || Object::cast_to<CSGTorus>(p_spatial) || Object::cast_to<CSGMesh>(p_spatial) || Object::cast_to<CSGPolygon>(p_spatial);
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}
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String CSGShapeSpatialGizmoPlugin::get_name() const {
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return "CSGShapes";
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}
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bool CSGShapeSpatialGizmoPlugin::is_selectable_when_hidden() const {
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return true;
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}
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void CSGShapeSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
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CSGShape *cs = Object::cast_to<CSGShape>(p_gizmo->get_spatial_node());
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p_gizmo->clear();
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Ref<Material> material = get_material("shape_material", p_gizmo);
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Ref<Material> handles_material = get_material("handles");
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PoolVector<Vector3> faces = cs->get_brush_faces();
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Vector<Vector3> lines;
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lines.resize(faces.size() * 2);
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{
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PoolVector<Vector3>::Read r = faces.read();
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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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p_gizmo->add_lines(lines, material);
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p_gizmo->add_collision_segments(lines);
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if (Object::cast_to<CSGSphere>(cs)) {
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CSGSphere *s = Object::cast_to<CSGSphere>(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<CSGBox>(cs)) {
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CSGBox *s = Object::cast_to<CSGBox>(cs);
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Vector<Vector3> handles;
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handles.push_back(Vector3(s->get_width(), 0, 0));
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handles.push_back(Vector3(0, s->get_height(), 0));
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handles.push_back(Vector3(0, 0, s->get_depth()));
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p_gizmo->add_handles(handles, handles_material);
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}
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if (Object::cast_to<CSGCylinder>(cs)) {
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CSGCylinder *s = Object::cast_to<CSGCylinder>(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<CSGTorus>(cs)) {
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CSGTorus *s = Object::cast_to<CSGTorus>(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<CSGShapeSpatialGizmoPlugin> gizmo_plugin = Ref<CSGShapeSpatialGizmoPlugin>(memnew(CSGShapeSpatialGizmoPlugin));
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SpatialEditor::get_singleton()->register_gizmo_plugin(gizmo_plugin);
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}
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