godotengine
/
godot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
godot/modules/csg/editor/csg_gizmos.cpp

402 lines
13 KiB
C++
Raw Blame History

/**************************************************************************/
/* csg_gizmos.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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"
#ifdef TOOLS_ENABLED
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/plugins/gizmos/gizmo_3d_helper.h"
#include "editor/plugins/node_3d_editor_plugin.h"
#include "scene/3d/camera_3d.h"
///////////
CSGShape3DGizmoPlugin::CSGShape3DGizmoPlugin() {
helper.instantiate();
Color gizmo_color = EDITOR_DEF_RST("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");
}
CSGShape3DGizmoPlugin::~CSGShape3DGizmoPlugin() {
}
String CSGShape3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
if (Object::cast_to<CSGSphere3D>(cs)) {
return "Radius";
}
if (Object::cast_to<CSGBox3D>(cs)) {
return helper->box_get_handle_name(p_id);
}
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, bool p_secondary) const {
CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
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::begin_handle_action(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) {
helper->initialize_handle_action(get_handle_value(p_gizmo, p_id, p_secondary), p_gizmo->get_node_3d()->get_global_transform());
}
void CSGShape3DGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
Vector3 sg[2];
helper->get_segment(p_camera, p_point, sg);
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 size = s->get_size();
Vector3 position;
helper->box_set_handle(sg, p_id, size, position);
s->set_size(size);
s->set_global_position(position);
}
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, bool p_secondary, const Variant &p_restore, bool p_cancel) {
CSGShape3D *cs = Object::cast_to<CSGShape3D>(p_gizmo->get_node_3d());
if (Object::cast_to<CSGSphere3D>(cs)) {
CSGSphere3D *s = Object::cast_to<CSGSphere3D>(cs);
if (p_cancel) {
s->set_radius(p_restore);
return;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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)) {
helper->box_commit_handle(TTR("Change Box Shape Size"), p_cancel, cs);
}
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;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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_node_3d());
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 (cs->is_root_shape()) {
Array csg_meshes = cs->get_meshes();
if (csg_meshes.size() == 2) {
Ref<Mesh> csg_mesh = csg_meshes[1];
if (csg_mesh.is_valid()) {
p_gizmo->add_collision_triangles(csg_mesh->generate_triangle_mesh());
}
}
}
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 = helper->box_get_handles(s->get_size());
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() {
Ref<CSGShape3DGizmoPlugin> gizmo_plugin = Ref<CSGShape3DGizmoPlugin>(memnew(CSGShape3DGizmoPlugin));
Node3DEditor::get_singleton()->add_gizmo_plugin(gizmo_plugin);
}
#endif // TOOLS_ENABLED
Reference in New Issue View Git Blame Copy Permalink