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node_3d_editor_plugin.cpp
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/*************************************************************************/
/* node_3d_editor_plugin.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 "node_3d_editor_plugin.h"
#include "core/config/project_settings.h"
#include "core/input/input.h"
#include "core/math/camera_matrix.h"
#include "core/math/math_funcs.h"
#include "core/os/keyboard.h"
#include "core/templates/sort_array.h"
#include "editor/debugger/editor_debugger_node.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/plugins/animation_player_editor_plugin.h"
#include "editor/plugins/node_3d_editor_gizmos.h"
#include "editor/plugins/script_editor_plugin.h"
#include "scene/3d/camera_3d.h"
#include "scene/3d/collision_shape_3d.h"
#include "scene/3d/light_3d.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/physics_body_3d.h"
#include "scene/3d/visual_instance_3d.h"
#include "scene/3d/world_environment.h"
#include "scene/gui/center_container.h"
#include "scene/gui/subviewport_container.h"
#include "scene/resources/packed_scene.h"
#include "scene/resources/surface_tool.h"
#define DISTANCE_DEFAULT 4
#define GIZMO_ARROW_SIZE 0.35
#define GIZMO_RING_HALF_WIDTH 0.1
#define GIZMO_PLANE_SIZE 0.2
#define GIZMO_PLANE_DST 0.3
#define GIZMO_CIRCLE_SIZE 1.1
#define GIZMO_SCALE_OFFSET (GIZMO_CIRCLE_SIZE + 0.3)
#define GIZMO_ARROW_OFFSET (GIZMO_CIRCLE_SIZE + 0.3)
#define ZOOM_FREELOOK_MIN 0.01
#define ZOOM_FREELOOK_MULTIPLIER 1.08
#define ZOOM_FREELOOK_INDICATOR_DELAY_S 1.5
#ifdef REAL_T_IS_DOUBLE
#define ZOOM_FREELOOK_MAX 1'000'000'000'000
#else
#define ZOOM_FREELOOK_MAX 10'000
#endif
#define MIN_Z 0.01
#define MAX_Z 1000000.0
#define MIN_FOV 0.01
#define MAX_FOV 179
void ViewportRotationControl::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
axis_menu_options.clear();
axis_menu_options.push_back(Node3DEditorViewport::VIEW_RIGHT);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_TOP);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_REAR);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_LEFT);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_BOTTOM);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_FRONT);
axis_colors.clear();
axis_colors.push_back(get_theme_color(SNAME("axis_x_color"), SNAME("Editor")));
axis_colors.push_back(get_theme_color(SNAME("axis_y_color"), SNAME("Editor")));
axis_colors.push_back(get_theme_color(SNAME("axis_z_color"), SNAME("Editor")));
update();
if (!is_connected("mouse_exited", callable_mp(this, &ViewportRotationControl::_on_mouse_exited))) {
connect("mouse_exited", callable_mp(this, &ViewportRotationControl::_on_mouse_exited));
}
}
if (p_what == NOTIFICATION_DRAW && viewport != nullptr) {
_draw();
}
}
void ViewportRotationControl::_draw() {
const Vector2i center = get_size() / 2.0;
const real_t radius = get_size().x / 2.0;
if (focused_axis > -2 || orbiting) {
draw_circle(center, radius, Color(0.5, 0.5, 0.5, 0.25));
}
Vector<Axis2D> axis_to_draw;
_get_sorted_axis(axis_to_draw);
for (int i = 0; i < axis_to_draw.size(); ++i) {
_draw_axis(axis_to_draw[i]);
}
}
void ViewportRotationControl::_draw_axis(const Axis2D &p_axis) {
const bool focused = focused_axis == p_axis.axis;
const bool positive = p_axis.axis < 3;
const int direction = p_axis.axis % 3;
const Color axis_color = axis_colors[direction];
const double alpha = focused ? 1.0 : ((p_axis.z_axis + 1.0) / 2.0) * 0.5 + 0.5;
const Color c = focused ? Color(0.9, 0.9, 0.9) : Color(axis_color.r, axis_color.g, axis_color.b, alpha);
if (positive) {
// Draw axis lines for the positive axes.
const Vector2i center = get_size() / 2.0;
draw_line(center, p_axis.screen_point, c, 1.5 * EDSCALE);
draw_circle(p_axis.screen_point, AXIS_CIRCLE_RADIUS, c);
// Draw the axis letter for the positive axes.
const String axis_name = direction == 0 ? "X" : (direction == 1 ? "Y" : "Z");
draw_char(get_theme_font(SNAME("rotation_control"), SNAME("EditorFonts")), p_axis.screen_point + Vector2i(-4, 5) * EDSCALE, axis_name, "", get_theme_font_size(SNAME("rotation_control_size"), SNAME("EditorFonts")), Color(0.0, 0.0, 0.0, alpha));
} else {
// Draw an outline around the negative axes.
draw_circle(p_axis.screen_point, AXIS_CIRCLE_RADIUS, c);
draw_circle(p_axis.screen_point, AXIS_CIRCLE_RADIUS * 0.8, c.darkened(0.4));
}
}
void ViewportRotationControl::_get_sorted_axis(Vector<Axis2D> &r_axis) {
const Vector2i center = get_size() / 2.0;
const real_t radius = get_size().x / 2.0 - AXIS_CIRCLE_RADIUS - 2.0 * EDSCALE;
const Basis camera_basis = viewport->to_camera_transform(viewport->cursor).get_basis().inverse();
for (int i = 0; i < 3; ++i) {
Vector3 axis_3d = camera_basis.get_axis(i);
Vector2i axis_vector = Vector2(axis_3d.x, -axis_3d.y) * radius;
if (Math::abs(axis_3d.z) < 1.0) {
Axis2D pos_axis;
pos_axis.axis = i;
pos_axis.screen_point = center + axis_vector;
pos_axis.z_axis = axis_3d.z;
r_axis.push_back(pos_axis);
Axis2D neg_axis;
neg_axis.axis = i + 3;
neg_axis.screen_point = center - axis_vector;
neg_axis.z_axis = -axis_3d.z;
r_axis.push_back(neg_axis);
} else {
// Special case when the camera is aligned with one axis
Axis2D axis;
axis.axis = i + (axis_3d.z < 0 ? 0 : 3);
axis.screen_point = center;
axis.z_axis = 1.0;
r_axis.push_back(axis);
}
}
r_axis.sort_custom<Axis2DCompare>();
}
void ViewportRotationControl::gui_input(const Ref<InputEvent> &p_event) {
ERR_FAIL_COND(p_event.is_null());
const Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == MOUSE_BUTTON_LEFT) {
Vector2 pos = mb->get_position();
if (mb->is_pressed()) {
if (pos.distance_to(get_size() / 2.0) < get_size().x / 2.0) {
orbiting = true;
}
} else {
if (focused_axis > -1) {
viewport->_menu_option(axis_menu_options[focused_axis]);
_update_focus();
}
orbiting = false;
if (Input::get_singleton()->get_mouse_mode() == Input::MOUSE_MODE_CAPTURED) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
Input::get_singleton()->warp_mouse_position(orbiting_mouse_start);
}
}
}
const Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
if (orbiting) {
if (Input::get_singleton()->get_mouse_mode() == Input::MOUSE_MODE_VISIBLE) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
orbiting_mouse_start = mm->get_global_position();
}
viewport->_nav_orbit(mm, viewport->_get_warped_mouse_motion(mm));
focused_axis = -1;
} else {
_update_focus();
}
}
}
void ViewportRotationControl::_update_focus() {
int original_focus = focused_axis;
focused_axis = -2;
Vector2 mouse_pos = get_local_mouse_position();
if (mouse_pos.distance_to(get_size() / 2.0) < get_size().x / 2.0) {
focused_axis = -1;
}
Vector<Axis2D> axes;
_get_sorted_axis(axes);
for (int i = 0; i < axes.size(); i++) {
const Axis2D &axis = axes[i];
if (mouse_pos.distance_to(axis.screen_point) < AXIS_CIRCLE_RADIUS) {
focused_axis = axis.axis;
}
}
if (focused_axis != original_focus) {
update();
}
}
void ViewportRotationControl::_on_mouse_exited() {
focused_axis = -2;
update();
}
void ViewportRotationControl::set_viewport(Node3DEditorViewport *p_viewport) {
viewport = p_viewport;
}
void Node3DEditorViewport::_update_camera(real_t p_interp_delta) {
bool is_orthogonal = camera->get_projection() == Camera3D::PROJECTION_ORTHOGONAL;
Cursor old_camera_cursor = camera_cursor;
camera_cursor = cursor;
if (p_interp_delta > 0) {
//-------
// Perform smoothing
if (is_freelook_active()) {
// Higher inertia should increase "lag" (lerp with factor between 0 and 1)
// Inertia of zero should produce instant movement (lerp with factor of 1) in this case it returns a really high value and gets clamped to 1.
real_t inertia = EDITOR_GET("editors/3d/freelook/freelook_inertia");
inertia = MAX(0.001, inertia);
real_t factor = (1.0 / inertia) * p_interp_delta;
// We interpolate a different point here, because in freelook mode the focus point (cursor.pos) orbits around eye_pos
camera_cursor.eye_pos = old_camera_cursor.eye_pos.lerp(cursor.eye_pos, CLAMP(factor, 0, 1));
real_t orbit_inertia = EDITOR_GET("editors/3d/navigation_feel/orbit_inertia");
orbit_inertia = MAX(0.0001, orbit_inertia);
camera_cursor.x_rot = Math::lerp(old_camera_cursor.x_rot, cursor.x_rot, MIN(1.f, p_interp_delta * (1 / orbit_inertia)));
camera_cursor.y_rot = Math::lerp(old_camera_cursor.y_rot, cursor.y_rot, MIN(1.f, p_interp_delta * (1 / orbit_inertia)));
if (Math::abs(camera_cursor.x_rot - cursor.x_rot) < 0.1) {
camera_cursor.x_rot = cursor.x_rot;
}
if (Math::abs(camera_cursor.y_rot - cursor.y_rot) < 0.1) {
camera_cursor.y_rot = cursor.y_rot;
}
Vector3 forward = to_camera_transform(camera_cursor).basis.xform(Vector3(0, 0, -1));
camera_cursor.pos = camera_cursor.eye_pos + forward * camera_cursor.distance;
} else {
//when not being manipulated, move softly
real_t free_orbit_inertia = EDITOR_GET("editors/3d/navigation_feel/orbit_inertia");
real_t free_translation_inertia = EDITOR_GET("editors/3d/navigation_feel/translation_inertia");
//when being manipulated, move more quickly
real_t manip_orbit_inertia = EDITOR_GET("editors/3d/navigation_feel/manipulation_orbit_inertia");
real_t manip_translation_inertia = EDITOR_GET("editors/3d/navigation_feel/manipulation_translation_inertia");
real_t zoom_inertia = EDITOR_GET("editors/3d/navigation_feel/zoom_inertia");
//determine if being manipulated
bool manipulated = Input::get_singleton()->get_mouse_button_mask() & (2 | 4);
manipulated |= Input::get_singleton()->is_key_pressed(KEY_SHIFT);
manipulated |= Input::get_singleton()->is_key_pressed(KEY_ALT);
manipulated |= Input::get_singleton()->is_key_pressed(KEY_CTRL);
real_t orbit_inertia = MAX(0.00001, manipulated ? manip_orbit_inertia : free_orbit_inertia);
real_t translation_inertia = MAX(0.0001, manipulated ? manip_translation_inertia : free_translation_inertia);
zoom_inertia = MAX(0.0001, zoom_inertia);
camera_cursor.x_rot = Math::lerp(old_camera_cursor.x_rot, cursor.x_rot, MIN(1.f, p_interp_delta * (1 / orbit_inertia)));
camera_cursor.y_rot = Math::lerp(old_camera_cursor.y_rot, cursor.y_rot, MIN(1.f, p_interp_delta * (1 / orbit_inertia)));
if (Math::abs(camera_cursor.x_rot - cursor.x_rot) < 0.1) {
camera_cursor.x_rot = cursor.x_rot;
}
if (Math::abs(camera_cursor.y_rot - cursor.y_rot) < 0.1) {
camera_cursor.y_rot = cursor.y_rot;
}
camera_cursor.pos = old_camera_cursor.pos.lerp(cursor.pos, MIN(1.f, p_interp_delta * (1 / translation_inertia)));
camera_cursor.distance = Math::lerp(old_camera_cursor.distance, cursor.distance, MIN((real_t)1.0, p_interp_delta * (1 / zoom_inertia)));
}
}
//-------
// Apply camera transform
real_t tolerance = 0.001;
bool equal = true;
if (!Math::is_equal_approx(old_camera_cursor.x_rot, camera_cursor.x_rot, tolerance) || !Math::is_equal_approx(old_camera_cursor.y_rot, camera_cursor.y_rot, tolerance)) {
equal = false;
} else if (!old_camera_cursor.pos.is_equal_approx(camera_cursor.pos)) {
equal = false;
} else if (!Math::is_equal_approx(old_camera_cursor.distance, camera_cursor.distance, tolerance)) {
equal = false;
}
if (!equal || p_interp_delta == 0 || is_orthogonal != orthogonal) {
camera->set_global_transform(to_camera_transform(camera_cursor));
if (orthogonal) {
float half_fov = Math::deg2rad(get_fov()) / 2.0;
float height = 2.0 * cursor.distance * Math::tan(half_fov);
camera->set_orthogonal(height, get_znear(), get_zfar());
} else {
camera->set_perspective(get_fov(), get_znear(), get_zfar());
}
update_transform_gizmo_view();
rotation_control->update();
spatial_editor->update_grid();
}
}
Transform3D Node3DEditorViewport::to_camera_transform(const Cursor &p_cursor) const {
Transform3D camera_transform;
camera_transform.translate(p_cursor.pos);
camera_transform.basis.rotate(Vector3(1, 0, 0), -p_cursor.x_rot);
camera_transform.basis.rotate(Vector3(0, 1, 0), -p_cursor.y_rot);
if (orthogonal) {
camera_transform.translate(0, 0, (get_zfar() - get_znear()) / 2.0);
} else {
camera_transform.translate(0, 0, p_cursor.distance);
}
return camera_transform;
}
int Node3DEditorViewport::get_selected_count() const {
Map<Node *, Object *> &selection = editor_selection->get_selection();
int count = 0;
for (Map<Node *, Object *>::Element *E = selection.front(); E; E = E->next()) {
Node3D *sp = Object::cast_to<Node3D>(E->key());
if (!sp) {
continue;
}
Node3DEditorSelectedItem *se = editor_selection->get_node_editor_data<Node3DEditorSelectedItem>(sp);
if (!se) {
continue;
}
count++;
}
return count;
}
float Node3DEditorViewport::get_znear() const {
return CLAMP(spatial_editor->get_znear(), MIN_Z, MAX_Z);
}
float Node3DEditorViewport::get_zfar() const {
return CLAMP(spatial_editor->get_zfar(), MIN_Z, MAX_Z);
}
float Node3DEditorViewport::get_fov() const {
return CLAMP(spatial_editor->get_fov(), MIN_FOV, MAX_FOV);
}
Transform3D Node3DEditorViewport::_get_camera_transform() const {
return camera->get_global_transform();
}
Vector3 Node3DEditorViewport::_get_camera_position() const {
return _get_camera_transform().origin;
}
Point2 Node3DEditorViewport::_point_to_screen(const Vector3 &p_point) {
return camera->unproject_position(p_point) * subviewport_container->get_stretch_shrink();
}
Vector3 Node3DEditorViewport::_get_ray_pos(const Vector2 &p_pos) const {
return camera->project_ray_origin(p_pos / subviewport_container->get_stretch_shrink());
}
Vector3 Node3DEditorViewport::_get_camera_normal() const {
return -_get_camera_transform().basis.get_axis(2);
}
Vector3 Node3DEditorViewport::_get_ray(const Vector2 &p_pos) const {
return camera->project_ray_normal(p_pos / subviewport_container->get_stretch_shrink());
}
void Node3DEditorViewport::_clear_selected() {
_edit.gizmo = Ref<EditorNode3DGizmo>();
_edit.gizmo_handle = -1;
_edit.gizmo_initial_value = Variant();
Node3D *selected = spatial_editor->get_single_selected_node();
Node3DEditorSelectedItem *se = selected ? editor_selection->get_node_editor_data<Node3DEditorSelectedItem>(selected) : nullptr;
if (se && se->gizmo.is_valid()) {
se->subgizmos.clear();
se->gizmo->redraw();
se->gizmo.unref();
spatial_editor->update_transform_gizmo();
} else {
editor_selection->clear();
Node3DEditor::get_singleton()->edit(nullptr);
}
}
void Node3DEditorViewport::_select_clicked(bool p_allow_locked) {
Node *node = Object::cast_to<Node3D>(ObjectDB::get_instance(clicked));
Node3D *selected = Object::cast_to<Node3D>(node);
clicked = ObjectID();
if (!selected) {
return;
}
if (!p_allow_locked) {
// Replace the node by the group if grouped
while (node && node != editor->get_edited_scene()->get_parent()) {
Node3D *selected_tmp = Object::cast_to<Node3D>(node);
if (selected_tmp && node->has_meta("_edit_group_")) {
selected = selected_tmp;
}
node = node->get_parent();
}
}
if (p_allow_locked || !_is_node_locked(selected)) {
if (clicked_wants_append) {
if (editor_selection->is_selected(selected)) {
editor_selection->remove_node(selected);
} else {
editor_selection->add_node(selected);
}
} else {
if (!editor_selection->is_selected(selected)) {
editor_selection->clear();
editor_selection->add_node(selected);
editor->edit_node(selected);
}
}
if (editor_selection->get_selected_node_list().size() == 1) {
editor->edit_node(editor_selection->get_selected_node_list()[0]);
}
}
}
ObjectID Node3DEditorViewport::_select_ray(const Point2 &p_pos) {
Vector3 ray = _get_ray(p_pos);
Vector3 pos = _get_ray_pos(p_pos);
Vector2 shrinked_pos = p_pos / subviewport_container->get_stretch_shrink();
if (viewport->get_debug_draw() == Viewport::DEBUG_DRAW_SDFGI_PROBES) {
RS::get_singleton()->sdfgi_set_debug_probe_select(pos, ray);
}
Vector<ObjectID> instances = RenderingServer::get_singleton()->instances_cull_ray(pos, ray, get_tree()->get_root()->get_world_3d()->get_scenario());
Set<Ref<EditorNode3DGizmo>> found_gizmos;
Node *edited_scene = get_tree()->get_edited_scene_root();
ObjectID closest;
Node *item = nullptr;
float closest_dist = 1e20;
for (int i = 0; i < instances.size(); i++) {
Node3D *spat = Object::cast_to<Node3D>(ObjectDB::get_instance(instances[i]));
if (!spat) {
continue;
}
Vector<Ref<Node3DGizmo>> gizmos = spat->get_gizmos();
for (int j = 0; j < gizmos.size(); j++) {
Ref<EditorNode3DGizmo> seg = gizmos[j];
if ((!seg.is_valid()) || found_gizmos.has(seg)) {
continue;
}
found_gizmos.insert(seg);
Vector3 point;
Vector3 normal;
bool inters = seg->intersect_ray(camera, shrinked_pos, point, normal);
if (!inters) {
continue;
}
const real_t dist = pos.distance_to(point);
if (dist < 0) {
continue;
}
if (dist < closest_dist) {
item = Object::cast_to<Node>(spat);
if (item != edited_scene) {
item = edited_scene->get_deepest_editable_node(item);
}
closest = item->get_instance_id();
closest_dist = dist;
}
}
}
if (!item) {
return ObjectID();
}
return closest;
}
void Node3DEditorViewport::_find_items_at_pos(const Point2 &p_pos, Vector<_RayResult> &r_results, bool p_include_locked_nodes) {
Vector3 ray = _get_ray(p_pos);
Vector3 pos = _get_ray_pos(p_pos);
Vector<ObjectID> instances = RenderingServer::get_singleton()->instances_cull_ray(pos, ray, get_tree()->get_root()->get_world_3d()->get_scenario());
Set<Node3D *> found_nodes;
for (int i = 0; i < instances.size(); i++) {
Node3D *spat = Object::cast_to<Node3D>(ObjectDB::get_instance(instances[i]));
if (!spat) {
continue;
}
if (found_nodes.has(spat)) {
continue;
}
if (!p_include_locked_nodes && _is_node_locked(spat)) {
continue;
}
Vector<Ref<Node3DGizmo>> gizmos = spat->get_gizmos();
for (int j = 0; j < gizmos.size(); j++) {
Ref<EditorNode3DGizmo> seg = gizmos[j];
if (!seg.is_valid()) {
continue;
}
Vector3 point;
Vector3 normal;
bool inters = seg->intersect_ray(camera, p_pos, point, normal);
if (!inters) {
continue;
}
const real_t dist = pos.distance_to(point);
if (dist < 0) {
continue;
}
found_nodes.insert(spat);
_RayResult res;
res.item = spat;
res.depth = dist;
r_results.push_back(res);
break;
}
}
r_results.sort();
}
Vector3 Node3DEditorViewport::_get_screen_to_space(const Vector3 &p_vector3) {
CameraMatrix cm;
if (orthogonal) {
cm.set_orthogonal(camera->get_size(), get_size().aspect(), get_znear() + p_vector3.z, get_zfar());
} else {
cm.set_perspective(get_fov(), get_size().aspect(), get_znear() + p_vector3.z, get_zfar());
}
Vector2 screen_he = cm.get_viewport_half_extents();
Transform3D camera_transform;
camera_transform.translate(cursor.pos);
camera_transform.basis.rotate(Vector3(1, 0, 0), -cursor.x_rot);
camera_transform.basis.rotate(Vector3(0, 1, 0), -cursor.y_rot);
camera_transform.translate(0, 0, cursor.distance);
return camera_transform.xform(Vector3(((p_vector3.x / get_size().width) * 2.0 - 1.0) * screen_he.x, ((1.0 - (p_vector3.y / get_size().height)) * 2.0 - 1.0) * screen_he.y, -(get_znear() + p_vector3.z)));
}
void Node3DEditorViewport::_select_region() {
if (cursor.region_begin == cursor.region_end) {
if (!clicked_wants_append) {
_clear_selected();
}
return; //nothing really
}
const real_t z_offset = MAX(0.0, 5.0 - get_znear());
Vector3 box[4] = {
Vector3(
MIN(cursor.region_begin.x, cursor.region_end.x),
MIN(cursor.region_begin.y, cursor.region_end.y),
z_offset),
Vector3(
MAX(cursor.region_begin.x, cursor.region_end.x),
MIN(cursor.region_begin.y, cursor.region_end.y),
z_offset),
Vector3(
MAX(cursor.region_begin.x, cursor.region_end.x),
MAX(cursor.region_begin.y, cursor.region_end.y),
z_offset),
Vector3(
MIN(cursor.region_begin.x, cursor.region_end.x),
MAX(cursor.region_begin.y, cursor.region_end.y),
z_offset)
};
Vector<Plane> frustum;
Vector3 cam_pos = _get_camera_position();
for (int i = 0; i < 4; i++) {
Vector3 a = _get_screen_to_space(box[i]);
Vector3 b = _get_screen_to_space(box[(i + 1) % 4]);
if (orthogonal) {
frustum.push_back(Plane(a, (a - b).normalized()));
} else {
frustum.push_back(Plane(a, b, cam_pos));
}
}
Plane near(cam_pos, -_get_camera_normal());
near.d -= get_znear();
frustum.push_back(near);
Plane far = -near;
far.d += get_zfar();
frustum.push_back(far);
if (spatial_editor->get_single_selected_node()) {
Node3D *single_selected = spatial_editor->get_single_selected_node();
Node3DEditorSelectedItem *se = editor_selection->get_node_editor_data<Node3DEditorSelectedItem>(single_selected);
if (se) {
Ref<EditorNode3DGizmo> old_gizmo;
if (!clicked_wants_append) {
se->subgizmos.clear();
old_gizmo = se->gizmo;
se->gizmo.unref();
}
bool found_subgizmos = false;
Vector<Ref<Node3DGizmo>> gizmos = single_selected->get_gizmos();
for (int j = 0; j < gizmos.size(); j++) {
Ref<EditorNode3DGizmo> seg = gizmos[j];
if (!seg.is_valid()) {
continue;
}
if (se->gizmo.is_valid() && se->gizmo != seg) {
continue;
}
Vector<int> subgizmos = seg->subgizmos_intersect_frustum(camera, frustum);
if (!subgizmos.is_empty()) {
se->gizmo = seg;
for (int i = 0; i < subgizmos.size(); i++) {
int subgizmo_id = subgizmos[i];
if (!se->subgizmos.has(subgizmo_id)) {
se->subgizmos.insert(subgizmo_id, se->gizmo->get_subgizmo_transform(subgizmo_id));
}
}
found_subgizmos = true;
break;
}
}
if (!clicked_wants_append || found_subgizmos) {
if (se->gizmo.is_valid()) {
se->gizmo->redraw();
}
if (old_gizmo != se->gizmo && old_gizmo.is_valid()) {
old_gizmo->redraw();
}
spatial_editor->update_transform_gizmo();
}
if (found_subgizmos) {
return;
}
}
}
if (!clicked_wants_append) {
_clear_selected();
}
Vector<ObjectID> instances = RenderingServer::get_singleton()->instances_cull_convex(frustum, get_tree()->get_root()->get_world_3d()->get_scenario());
Set<Node3D *> found_nodes;
Vector<Node *> selected;
Node *edited_scene = get_tree()->get_edited_scene_root();
for (int i = 0; i < instances.size(); i++) {
Node3D *sp = Object::cast_to<Node3D>(ObjectDB::get_instance(instances[i]));
if (!sp || _is_node_locked(sp)) {
continue;
}
if (found_nodes.has(sp)) {
continue;
}
found_nodes.insert(sp);
Node *item = Object::cast_to<Node>(sp);
if (item != edited_scene) {
item = edited_scene->get_deepest_editable_node(item);
}
// Replace the node by the group if grouped
if (item->is_class("Node3D")) {
Node3D *sel = Object::cast_to<Node3D>(item);
while (item && item != editor->get_edited_scene()->get_parent()) {
Node3D *selected_tmp = Object::cast_to<Node3D>(item);
if (selected_tmp && item->has_meta("_edit_group_")) {
sel = selected_tmp;
}
item = item->get_parent();
}
item = sel;
}
if (_is_node_locked(item)) {
continue;
}
Vector<Ref<Node3DGizmo>> gizmos = sp->get_gizmos();
for (int j = 0; j < gizmos.size(); j++) {
Ref<EditorNode3DGizmo> seg = gizmos[j];
if (!seg.is_valid()) {
continue;
}
if (seg->intersect_frustum(camera, frustum)) {
selected.push_back(item);
}
}
}
for (int i = 0; i < selected.size(); i++) {
if (!editor_selection->is_selected(selected[i])) {
editor_selection->add_node(selected[i]);
}
}
if (editor_selection->get_selected_node_list().size() == 1) {
editor->edit_node(editor_selection->get_selected_node_list()[0]);
}
}
void Node3DEditorViewport::_update_name() {
String name;
switch (view_type) {
case VIEW_TYPE_USER: {
if (orthogonal) {
name = TTR("Orthogonal");
} else {
name = TTR("Perspective");
}
} break;
case VIEW_TYPE_TOP: {
if (orthogonal) {
name = TTR("Top Orthogonal");
} else {
name = TTR("Top Perspective");
}
} break;
case VIEW_TYPE_BOTTOM: {
if (orthogonal) {
name = TTR("Bottom Orthogonal");
} else {
name = TTR("Bottom Perspective");
}
} break;
case VIEW_TYPE_LEFT: {
if (orthogonal) {
name = TTR("Left Orthogonal");
} else {
name = TTR("Right Perspective");
}
} break;
case VIEW_TYPE_RIGHT: {
if (orthogonal) {
name = TTR("Right Orthogonal");
} else {
name = TTR("Right Perspective");
}
} break;
case VIEW_TYPE_FRONT: {
if (orthogonal) {
name = TTR("Front Orthogonal");
} else {
name = TTR("Front Perspective");
}
} break;
case VIEW_TYPE_REAR: {
if (orthogonal) {
name = TTR("Rear Orthogonal");
} else {
name = TTR("Rear Perspective");
}
} break;
}
if (auto_orthogonal) {
// TRANSLATORS: This will be appended to the view name when Auto Orthogonal is enabled.
name += TTR(" [auto]");
}
view_menu->set_text(name);
view_menu->set_size(Vector2(0, 0)); // resets the button size
}
void Node3DEditorViewport::_compute_edit(const Point2 &p_point) {
_edit.click_ray = _get_ray(Vector2(p_point.x, p_point.y));
_edit.click_ray_pos = _get_ray_pos(Vector2(p_point.x, p_point.y));
_edit.plane = TRANSFORM_VIEW;
spatial_editor->update_transform_gizmo();
_edit.center = spatial_editor->get_gizmo_transform().origin;
Node3D *selected = spatial_editor->get_single_selected_node();
Node3DEditorSelectedItem *se = selected ? editor_selection->get_node_editor_data<Node3DEditorSelectedItem>(selected) : nullptr;
if (se && se->gizmo.is_valid()) {
for (Map<int, Transform3D>::Element *E = se->subgizmos.front(); E; E = E->next()) {
int subgizmo_id = E->key();
se->subgizmos[subgizmo_id] = se->gizmo->get_subgizmo_transform(subgizmo_id);
}
se->original_local = selected->get_transform();
se->original = selected->get_global_transform();
} else {
List<Node *> &selection = editor_selection->get_selected_node_list();
for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
Node3D *sp = Object::cast_to<Node3D>(E->get());
if (!sp) {
continue;
}
Node3DEditorSelectedItem *sel_item = editor_selection->get_node_editor_data<Node3DEditorSelectedItem>(sp);
if (!sel_item) {
continue;
}
sel_item->original_local = sel_item->sp->get_local_gizmo_transform();
sel_item->original = sel_item->sp->get_global_gizmo_transform();
}
}
}
static int _get_key_modifier_setting(const String &p_property) {
switch (EditorSettings::get_singleton()->get(p_property).operator int()) {
case 0:
return 0;
case 1:
return KEY_SHIFT;
case 2:
return KEY_ALT;
case 3:
return KEY_META;
case 4:
return KEY_CTRL;
}
return 0;
}
static int _get_key_modifier(Ref<InputEventWithModifiers> e) {
if (e->is_shift_pressed()) {
return KEY_SHIFT;
}
if (e->is_alt_pressed()) {
return KEY_ALT;
}
if (e->is_ctrl_pressed()) {
return KEY_CTRL;
}
if (e->is_meta_pressed()) {
return KEY_META;
}
return 0;
}
bool Node3DEditorViewport::_transform_gizmo_select(const Vector2 &p_screenpos, bool p_highlight_only) {
if (!spatial_editor->is_gizmo_visible()) {
return false;
}
if (get_selected_count() == 0) {
if (p_highlight_only) {
spatial_editor->select_gizmo_highlight_axis(-1);
}
return false;
}
Vector3 ray_pos = _get_ray_pos(Vector2(p_screenpos.x, p_screenpos.y));
Vector3 ray = _get_ray(Vector2(p_screenpos.x, p_screenpos.y));
Transform3D gt = spatial_editor->get_gizmo_transform();
if (spatial_editor->get_tool_mode() == Node3DEditor::TOOL_MODE_SELECT || spatial_editor->get_tool_mode() == Node3DEditor::TOOL_MODE_MOVE) {
int col_axis = -1;
real_t col_d = 1e20;
for (int i = 0; i < 3; i++) {
const Vector3 grabber_pos = gt.origin + gt.basis.get_axis(i) * gizmo_scale * (GIZMO_ARROW_OFFSET + (GIZMO_ARROW_SIZE * 0.5));
const real_t grabber_radius = gizmo_scale * GIZMO_ARROW_SIZE;
Vector3 r;
if (Geometry3D::segment_intersects_sphere(ray_pos, ray_pos + ray * MAX_Z, grabber_pos, grabber_radius, &r)) {
const real_t d = r.distance_to(ray_pos);
if (d < col_d) {
col_d = d;
col_axis = i;
}
}
}
bool is_plane_translate = false;
// plane select
if (col_axis == -1) {
col_d = 1e20;
for (int i = 0; i < 3; i++) {
Vector3 ivec2 = gt.basis.get_axis((i + 1) % 3).normalized();
Vector3 ivec3 = gt.basis.get_axis((i + 2) % 3).normalized();
// Allow some tolerance to make the plane easier to click,
// even if the click is actually slightly outside the plane.
const Vector3 grabber_pos = gt.origin + (ivec2 + ivec3) * gizmo_scale * (GIZMO_PLANE_SIZE + GIZMO_PLANE_DST * 0.6667);
Vector3 r;
Plane plane(gt.origin, gt.basis.get_axis(i).normalized());
if (plane.intersects_ray(ray_pos, ray, &r)) {
const real_t dist = r.distance_to(grabber_pos);
// Allow some tolerance to make the plane easier to click,
// even if the click is actually slightly outside the plane.
if (dist < (gizmo_scale * GIZMO_PLANE_SIZE * 1.5)) {
const real_t d = ray_pos.distance_to(r);
if (d < col_d) {