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-rw-r--r--modules/csg/csg_gizmos.cpp415
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diff --git a/modules/csg/csg_gizmos.cpp b/modules/csg/csg_gizmos.cpp
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--- a/modules/csg/csg_gizmos.cpp
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-/*************************************************************************/
-/* csg_gizmos.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
-
-#include "csg_gizmos.h"
-#include "editor/plugins/node_3d_editor_plugin.h"
-#include "scene/3d/camera_3d.h"
-
-///////////
-
-CSGShape3DGizmoPlugin::CSGShape3DGizmoPlugin() {
- Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/csg", Color(0.0, 0.4, 1, 0.15));
- create_material("shape_union_material", gizmo_color);
- create_material("shape_union_solid_material", gizmo_color);
- gizmo_color.invert();
- create_material("shape_subtraction_material", gizmo_color);
- create_material("shape_subtraction_solid_material", gizmo_color);
- gizmo_color.r = 0.95;
- gizmo_color.g = 0.95;
- gizmo_color.b = 0.95;
- create_material("shape_intersection_material", gizmo_color);
- create_material("shape_intersection_solid_material", gizmo_color);
-
- create_handle_material("handles");
-}
-
-String CSGShape3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id) const {
- CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
-
- if (Object::cast_to<CSGSphere3D>(cs)) {
- return "Radius";
- }
-
- if (Object::cast_to<CSGBox3D>(cs)) {
- return "Size";
- }
-
- if (Object::cast_to<CSGCylinder3D>(cs)) {
- return p_id == 0 ? "Radius" : "Height";
- }
-
- if (Object::cast_to<CSGTorus3D>(cs)) {
- return p_id == 0 ? "InnerRadius" : "OuterRadius";
- }
-
- return "";
-}
-
-Variant CSGShape3DGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id) const {
- CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
-
- if (Object::cast_to<CSGSphere3D>(cs)) {
- CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
- return s->get_radius();
- }
-
- if (Object::cast_to<CSGBox3D>(cs)) {
- CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
- return s->get_size();
- }
-
- if (Object::cast_to<CSGCylinder3D>(cs)) {
- CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
- return p_id == 0 ? s->get_radius() : s->get_height();
- }
-
- if (Object::cast_to<CSGTorus3D>(cs)) {
- CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
- return p_id == 0 ? s->get_inner_radius() : s->get_outer_radius();
- }
-
- return Variant();
-}
-
-void CSGShape3DGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, Camera3D *p_camera, const Point2 &p_point) {
- CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
-
- Transform3D gt = cs->get_global_transform();
- //gt.orthonormalize();
- Transform3D gi = gt.affine_inverse();
-
- Vector3 ray_from = p_camera->project_ray_origin(p_point);
- Vector3 ray_dir = p_camera->project_ray_normal(p_point);
-
- Vector3 sg[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 16384) };
-
- if (Object::cast_to<CSGSphere3D>(cs)) {
- CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
-
- Vector3 ra, rb;
- Geometry3D::get_closest_points_between_segments(Vector3(), Vector3(4096, 0, 0), sg[0], sg[1], ra, rb);
- float d = ra.x;
- if (Node3DEditor::get_singleton()->is_snap_enabled()) {
- d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
- }
-
- if (d < 0.001) {
- d = 0.001;
- }
-
- s->set_radius(d);
- }
-
- if (Object::cast_to<CSGBox3D>(cs)) {
- CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
-
- Vector3 axis;
- axis[p_id] = 1.0;
- Vector3 ra, rb;
- Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
- float d = ra[p_id];
-
- if (Math::is_nan(d)) {
- // The handle is perpendicular to the camera.
- return;
- }
-
- if (Node3DEditor::get_singleton()->is_snap_enabled()) {
- d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
- }
-
- if (d < 0.001) {
- d = 0.001;
- }
-
- Vector3 h = s->get_size();
- h[p_id] = d * 2;
- s->set_size(h);
- }
-
- if (Object::cast_to<CSGCylinder3D>(cs)) {
- CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
-
- Vector3 axis;
- axis[p_id == 0 ? 0 : 1] = 1.0;
- Vector3 ra, rb;
- Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
- float d = axis.dot(ra);
- if (Node3DEditor::get_singleton()->is_snap_enabled()) {
- d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
- }
-
- if (d < 0.001) {
- d = 0.001;
- }
-
- if (p_id == 0) {
- s->set_radius(d);
- } else if (p_id == 1) {
- s->set_height(d * 2.0);
- }
- }
-
- if (Object::cast_to<CSGTorus3D>(cs)) {
- CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
-
- Vector3 axis;
- axis[0] = 1.0;
- Vector3 ra, rb;
- Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
- float d = axis.dot(ra);
- if (Node3DEditor::get_singleton()->is_snap_enabled()) {
- d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
- }
-
- if (d < 0.001) {
- d = 0.001;
- }
-
- if (p_id == 0) {
- s->set_inner_radius(d);
- } else if (p_id == 1) {
- s->set_outer_radius(d);
- }
- }
-}
-
-void CSGShape3DGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, const Variant &p_restore, bool p_cancel) {
- CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
-
- if (Object::cast_to<CSGSphere3D>(cs)) {
- CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
- if (p_cancel) {
- s->set_radius(p_restore);
- return;
- }
-
- UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
- ur->create_action(TTR("Change Sphere Shape Radius"));
- ur->add_do_method(s, "set_radius", s->get_radius());
- ur->add_undo_method(s, "set_radius", p_restore);
- ur->commit_action();
- }
-
- if (Object::cast_to<CSGBox3D>(cs)) {
- CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
- if (p_cancel) {
- s->set_size(p_restore);
- return;
- }
-
- UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
- ur->create_action(TTR("Change Box Shape Size"));
- ur->add_do_method(s, "set_size", s->get_size());
- ur->add_undo_method(s, "set_size", p_restore);
- ur->commit_action();
- }
-
- if (Object::cast_to<CSGCylinder3D>(cs)) {
- CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
- if (p_cancel) {
- if (p_id == 0) {
- s->set_radius(p_restore);
- } else {
- s->set_height(p_restore);
- }
- return;
- }
-
- UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
- if (p_id == 0) {
- ur->create_action(TTR("Change Cylinder Radius"));
- ur->add_do_method(s, "set_radius", s->get_radius());
- ur->add_undo_method(s, "set_radius", p_restore);
- } else {
- ur->create_action(TTR("Change Cylinder Height"));
- ur->add_do_method(s, "set_height", s->get_height());
- ur->add_undo_method(s, "set_height", p_restore);
- }
-
- ur->commit_action();
- }
-
- if (Object::cast_to<CSGTorus3D>(cs)) {
- CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
- if (p_cancel) {
- if (p_id == 0) {
- s->set_inner_radius(p_restore);
- } else {
- s->set_outer_radius(p_restore);
- }
- return;
- }
-
- UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
- if (p_id == 0) {
- ur->create_action(TTR("Change Torus Inner Radius"));
- ur->add_do_method(s, "set_inner_radius", s->get_inner_radius());
- ur->add_undo_method(s, "set_inner_radius", p_restore);
- } else {
- ur->create_action(TTR("Change Torus Outer Radius"));
- ur->add_do_method(s, "set_outer_radius", s->get_outer_radius());
- ur->add_undo_method(s, "set_outer_radius", p_restore);
- }
-
- ur->commit_action();
- }
-}
-
-bool CSGShape3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
- 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);
-}
-
-String CSGShape3DGizmoPlugin::get_gizmo_name() const {
- return "CSGShape3D";
-}
-
-int CSGShape3DGizmoPlugin::get_priority() const {
- return -1;
-}
-
-bool CSGShape3DGizmoPlugin::is_selectable_when_hidden() const {
- return true;
-}
-
-void CSGShape3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
- p_gizmo->clear();
-
- CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_spatial_node());
-
- Vector<Vector3> faces = cs->get_brush_faces();
-
- if (faces.size() == 0) {
- return;
- }
-
- Vector<Vector3> lines;
- lines.resize(faces.size() * 2);
- {
- const Vector3 *r = faces.ptr();
-
- for (int i = 0; i < lines.size(); i += 6) {
- int f = i / 6;
- for (int j = 0; j < 3; j++) {
- int j_n = (j + 1) % 3;
- lines.write[i + j * 2 + 0] = r[f * 3 + j];
- lines.write[i + j * 2 + 1] = r[f * 3 + j_n];
- }
- }
- }
-
- Ref<Material> material;
- switch (cs->get_operation()) {
- case CSGShape3D::OPERATION_UNION:
- material = get_material("shape_union_material", p_gizmo);
- break;
- case CSGShape3D::OPERATION_INTERSECTION:
- material = get_material("shape_intersection_material", p_gizmo);
- break;
- case CSGShape3D::OPERATION_SUBTRACTION:
- material = get_material("shape_subtraction_material", p_gizmo);
- break;
- }
-
- Ref<Material> handles_material = get_material("handles");
-
- p_gizmo->add_lines(lines, material);
- p_gizmo->add_collision_segments(lines);
-
- if (p_gizmo->is_selected()) {
- // Draw a translucent representation of the CSG node
- Ref<ArrayMesh> mesh = memnew(ArrayMesh);
- Array array;
- array.resize(Mesh::ARRAY_MAX);
- array[Mesh::ARRAY_VERTEX] = faces;
- mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, array);
-
- Ref<Material> solid_material;
- switch (cs->get_operation()) {
- case CSGShape3D::OPERATION_UNION:
- solid_material = get_material("shape_union_solid_material", p_gizmo);
- break;
- case CSGShape3D::OPERATION_INTERSECTION:
- solid_material = get_material("shape_intersection_solid_material", p_gizmo);
- break;
- case CSGShape3D::OPERATION_SUBTRACTION:
- solid_material = get_material("shape_subtraction_solid_material", p_gizmo);
- break;
- }
-
- p_gizmo->add_mesh(mesh, solid_material);
- }
-
- if (Object::cast_to<CSGSphere3D>(cs)) {
- CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
-
- float r = s->get_radius();
- Vector<Vector3> handles;
- handles.push_back(Vector3(r, 0, 0));
- p_gizmo->add_handles(handles, handles_material);
- }
-
- if (Object::cast_to<CSGBox3D>(cs)) {
- CSGBox3D *s = Object::cast_to<CSGBox3D>(cs);
-
- Vector<Vector3> handles;
-
- for (int i = 0; i < 3; i++) {
- Vector3 h;
- h[i] = s->get_size()[i] / 2;
- handles.push_back(h);
- }
-
- p_gizmo->add_handles(handles, handles_material);
- }
-
- if (Object::cast_to<CSGCylinder3D>(cs)) {
- CSGCylinder3D *s = Object::cast_to<CSGCylinder3D>(cs);
-
- Vector<Vector3> handles;
- handles.push_back(Vector3(s->get_radius(), 0, 0));
- handles.push_back(Vector3(0, s->get_height() * 0.5, 0));
- p_gizmo->add_handles(handles, handles_material);
- }
-
- if (Object::cast_to<CSGTorus3D>(cs)) {
- CSGTorus3D *s = Object::cast_to<CSGTorus3D>(cs);
-
- Vector<Vector3> handles;
- handles.push_back(Vector3(s->get_inner_radius(), 0, 0));
- handles.push_back(Vector3(s->get_outer_radius(), 0, 0));
- p_gizmo->add_handles(handles, handles_material);
- }
-}
-
-EditorPluginCSG::EditorPluginCSG(EditorNode *p_editor) {
- Ref<CSGShape3DGizmoPlugin> gizmo_plugin = Ref<CSGShape3DGizmoPlugin>(memnew(CSGShape3DGizmoPlugin));
- Node3DEditor::get_singleton()->add_gizmo_plugin(gizmo_plugin);
-}
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