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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) 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 "node_3d_editor_plugin.h"
#include "core/config/project_settings.h"
#include "core/input/input.h"
#include "core/input/input_map.h"
#include "core/math/math_funcs.h"
#include "core/math/projection.h"
#include "core/os/keyboard.h"
#include "editor/debugger/editor_debugger_node.h"
#include "editor/editor_main_screen.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/editor_string_names.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/gui/editor_run_bar.h"
#include "editor/gui/editor_spin_slider.h"
#include "editor/plugins/animation_player_editor_plugin.h"
#include "editor/plugins/gizmos/audio_listener_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/audio_stream_player_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/camera_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/collision_object_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/collision_polygon_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/collision_shape_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/cpu_particles_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/decal_gizmo_plugin.h"
#include "editor/plugins/gizmos/fog_volume_gizmo_plugin.h"
#include "editor/plugins/gizmos/geometry_instance_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/gpu_particles_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/gpu_particles_collision_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/joint_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/label_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/light_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/lightmap_gi_gizmo_plugin.h"
#include "editor/plugins/gizmos/lightmap_probe_gizmo_plugin.h"
#include "editor/plugins/gizmos/marker_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/mesh_instance_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/navigation_link_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/navigation_region_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/occluder_instance_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/physics_bone_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/ray_cast_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/reflection_probe_gizmo_plugin.h"
#include "editor/plugins/gizmos/shape_cast_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/soft_body_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/spring_arm_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/sprite_base_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/vehicle_body_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/visible_on_screen_notifier_3d_gizmo_plugin.h"
#include "editor/plugins/gizmos/voxel_gi_gizmo_plugin.h"
#include "editor/plugins/node_3d_editor_gizmos.h"
#include "editor/scene_tree_dock.h"
#include "scene/3d/audio_stream_player_3d.h"
#include "scene/3d/camera_3d.h"
#include "scene/3d/decal.h"
#include "scene/3d/light_3d.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/physics/collision_shape_3d.h"
#include "scene/3d/physics/physics_body_3d.h"
#include "scene/3d/sprite_3d.h"
#include "scene/3d/visual_instance_3d.h"
#include "scene/3d/world_environment.h"
#include "scene/gui/center_container.h"
#include "scene/gui/color_picker.h"
#include "scene/gui/flow_container.h"
#include "scene/gui/separator.h"
#include "scene/gui/split_container.h"
#include "scene/gui/subviewport_container.h"
#include "scene/resources/3d/sky_material.h"
#include "scene/resources/packed_scene.h"
#include "scene/resources/surface_tool.h"
constexpr real_t DISTANCE_DEFAULT = 4;
constexpr real_t GIZMO_ARROW_SIZE = 0.35;
constexpr real_t GIZMO_RING_HALF_WIDTH = 0.1;
constexpr real_t GIZMO_PLANE_SIZE = 0.2;
constexpr real_t GIZMO_PLANE_DST = 0.3;
constexpr real_t GIZMO_CIRCLE_SIZE = 1.1;
constexpr real_t GIZMO_SCALE_OFFSET = GIZMO_CIRCLE_SIZE + 0.3;
constexpr real_t GIZMO_ARROW_OFFSET = GIZMO_CIRCLE_SIZE + 0.3;
constexpr real_t ZOOM_FREELOOK_MIN = 0.01;
constexpr real_t ZOOM_FREELOOK_MULTIPLIER = 1.08;
constexpr real_t ZOOM_FREELOOK_INDICATOR_DELAY_S = 1.5;
#ifdef REAL_T_IS_DOUBLE
constexpr double ZOOM_FREELOOK_MAX = 1'000'000'000'000;
#else
constexpr float ZOOM_FREELOOK_MAX = 10'000;
#endif
constexpr real_t MIN_Z = 0.01;
constexpr real_t MAX_Z = 1000000.0;
constexpr real_t MIN_FOV = 0.01;
constexpr real_t MAX_FOV = 179;
void ViewportNavigationControl::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (!is_connected(SceneStringName(mouse_exited), callable_mp(this, &ViewportNavigationControl::_on_mouse_exited))) {
connect(SceneStringName(mouse_exited), callable_mp(this, &ViewportNavigationControl::_on_mouse_exited));
}
if (!is_connected(SceneStringName(mouse_entered), callable_mp(this, &ViewportNavigationControl::_on_mouse_entered))) {
connect(SceneStringName(mouse_entered), callable_mp(this, &ViewportNavigationControl::_on_mouse_entered));
}
} break;
case NOTIFICATION_DRAW: {
if (viewport != nullptr) {
_draw();
_update_navigation();
}
} break;
}
}
void ViewportNavigationControl::_draw() {
if (nav_mode == Node3DEditorViewport::NAVIGATION_NONE) {
return;
}
Vector2 center = get_size() / 2.0;
float radius = get_size().x / 2.0;
const bool focused = focused_index != -1;
draw_circle(center, radius, Color(0.5, 0.5, 0.5, focused || hovered ? 0.35 : 0.15));
const Color c = focused ? Color(0.9, 0.9, 0.9, 0.9) : Color(0.5, 0.5, 0.5, 0.25);
Vector2 circle_pos = focused ? center.move_toward(focused_pos, radius) : center;
draw_circle(circle_pos, AXIS_CIRCLE_RADIUS, c);
draw_circle(circle_pos, AXIS_CIRCLE_RADIUS * 0.8, c.darkened(0.4));
}
void ViewportNavigationControl::_process_click(int p_index, Vector2 p_position, bool p_pressed) {
hovered = false;
queue_redraw();
if (focused_index != -1 && focused_index != p_index) {
return;
}
if (p_pressed) {
if (p_position.distance_to(get_size() / 2.0) < get_size().x / 2.0) {
focused_pos = p_position;
focused_index = p_index;
queue_redraw();
}
} else {
focused_index = -1;
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(focused_mouse_start);
}
}
}
void ViewportNavigationControl::_process_drag(int p_index, Vector2 p_position, Vector2 p_relative_position) {
if (focused_index == p_index) {
if (Input::get_singleton()->get_mouse_mode() == Input::MOUSE_MODE_VISIBLE) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
focused_mouse_start = p_position;
}
focused_pos += p_relative_position;
queue_redraw();
}
}
void ViewportNavigationControl::gui_input(const Ref<InputEvent> &p_event) {
// Mouse events
const Ref<InputEventMouseButton> mouse_button = p_event;
if (mouse_button.is_valid() && mouse_button->get_button_index() == MouseButton::LEFT) {
_process_click(100, mouse_button->get_position(), mouse_button->is_pressed());
}
const Ref<InputEventMouseMotion> mouse_motion = p_event;
if (mouse_motion.is_valid()) {
_process_drag(100, mouse_motion->get_global_position(), viewport->_get_warped_mouse_motion(mouse_motion));
}
// Touch events
const Ref<InputEventScreenTouch> screen_touch = p_event;
if (screen_touch.is_valid()) {
_process_click(screen_touch->get_index(), screen_touch->get_position(), screen_touch->is_pressed());
}
const Ref<InputEventScreenDrag> screen_drag = p_event;
if (screen_drag.is_valid()) {
_process_drag(screen_drag->get_index(), screen_drag->get_position(), screen_drag->get_relative());
}
}
void ViewportNavigationControl::_update_navigation() {
if (focused_index == -1) {
return;
}
Vector2 delta = focused_pos - (get_size() / 2.0);
Vector2 delta_normalized = delta.normalized();
switch (nav_mode) {
case Node3DEditorViewport::NavigationMode::NAVIGATION_MOVE: {
real_t speed_multiplier = MIN(delta.length() / (get_size().x * 100.0), 3.0);
real_t speed = viewport->freelook_speed * speed_multiplier;
const Node3DEditorViewport::FreelookNavigationScheme navigation_scheme = (Node3DEditorViewport::FreelookNavigationScheme)EditorSettings::get_singleton()->get("editors/3d/freelook/freelook_navigation_scheme").operator int();
Vector3 forward;
if (navigation_scheme == Node3DEditorViewport::FreelookNavigationScheme::FREELOOK_FULLY_AXIS_LOCKED) {
// Forward/backward keys will always go straight forward/backward, never moving on the Y axis.
forward = Vector3(0, 0, delta_normalized.y).rotated(Vector3(0, 1, 0), viewport->camera->get_rotation().y);
} else {
// Forward/backward keys will be relative to the camera pitch.
forward = viewport->camera->get_transform().basis.xform(Vector3(0, 0, delta_normalized.y));
}
const Vector3 right = viewport->camera->get_transform().basis.xform(Vector3(delta_normalized.x, 0, 0));
const Vector3 direction = forward + right;
const Vector3 motion = direction * speed;
viewport->cursor.pos += motion;
viewport->cursor.eye_pos += motion;
} break;
case Node3DEditorViewport::NavigationMode::NAVIGATION_LOOK: {
real_t speed_multiplier = MIN(delta.length() / (get_size().x * 2.5), 3.0);
real_t speed = viewport->freelook_speed * speed_multiplier;
viewport->_nav_look(nullptr, delta_normalized * speed);
} break;
case Node3DEditorViewport::NAVIGATION_PAN: {
real_t speed_multiplier = MIN(delta.length() / (get_size().x), 3.0);
real_t speed = viewport->freelook_speed * speed_multiplier;
viewport->_nav_pan(nullptr, -delta_normalized * speed);
} break;
case Node3DEditorViewport::NAVIGATION_ZOOM: {
real_t speed_multiplier = MIN(delta.length() / (get_size().x), 3.0);
real_t speed = viewport->freelook_speed * speed_multiplier;
viewport->_nav_zoom(nullptr, delta_normalized * speed);
} break;
case Node3DEditorViewport::NAVIGATION_ORBIT: {
real_t speed_multiplier = MIN(delta.length() / (get_size().x), 3.0);
real_t speed = viewport->freelook_speed * speed_multiplier;
viewport->_nav_orbit(nullptr, delta_normalized * speed);
} break;
case Node3DEditorViewport::NAVIGATION_NONE: {
} break;
}
}
void ViewportNavigationControl::_on_mouse_entered() {
hovered = true;
queue_redraw();
}
void ViewportNavigationControl::_on_mouse_exited() {
hovered = false;
queue_redraw();
}
void ViewportNavigationControl::set_navigation_mode(Node3DEditorViewport::NavigationMode p_nav_mode) {
nav_mode = p_nav_mode;
}
void ViewportNavigationControl::set_viewport(Node3DEditorViewport *p_viewport) {
viewport = p_viewport;
}
void ViewportRotationControl::_notification(int p_what) {
switch (p_what) {
case 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_FRONT);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_LEFT);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_BOTTOM);
axis_menu_options.push_back(Node3DEditorViewport::VIEW_REAR);
axis_colors.clear();
axis_colors.push_back(get_theme_color(SNAME("axis_x_color"), EditorStringName(Editor)));
axis_colors.push_back(get_theme_color(SNAME("axis_y_color"), EditorStringName(Editor)));
axis_colors.push_back(get_theme_color(SNAME("axis_z_color"), EditorStringName(Editor)));
queue_redraw();
if (!is_connected(SceneStringName(mouse_exited), callable_mp(this, &ViewportRotationControl::_on_mouse_exited))) {
connect(SceneStringName(mouse_exited), callable_mp(this, &ViewportRotationControl::_on_mouse_exited));
}
} break;
case NOTIFICATION_DRAW: {
if (viewport != nullptr) {
_draw();
}
} break;
}
}
void ViewportRotationControl::_draw() {
const Vector2 center = get_size() / 2.0;
const real_t radius = get_size().x / 2.0;
if (focused_axis > -2 || orbiting_index != -1) {
draw_circle(center, radius, Color(0.5, 0.5, 0.5, 0.25), true, -1.0, true);
}
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 min_alpha = 0.35;
const double alpha = focused ? 1.0 : Math::remap((p_axis.z_axis + 1.0) / 2.0, 0, 0.5, min_alpha, 1.0);
const Color c = focused ? Color(axis_color.lightened(0.75), 1.0) : Color(axis_color, alpha);
if (positive) {
// Draw axis lines for the positive axes.
const Vector2 center = get_size() / 2.0;
const Vector2 diff = p_axis.screen_point - center;
const float line_length = MAX(diff.length() - AXIS_CIRCLE_RADIUS - 0.5 * EDSCALE, 0);
draw_line(center + diff.limit_length(0.5 * EDSCALE), center + diff.limit_length(line_length), c, 1.5 * EDSCALE, true);
draw_circle(p_axis.screen_point, AXIS_CIRCLE_RADIUS, c, true, -1.0, true);
// Draw the axis letter for the positive axes.
const String axis_name = direction == 0 ? "X" : (direction == 1 ? "Y" : "Z");
const Ref<Font> &font = get_theme_font(SNAME("rotation_control"), EditorStringName(EditorFonts));
const int font_size = get_theme_font_size(SNAME("rotation_control_size"), EditorStringName(EditorFonts));
const Size2 char_size = font->get_char_size(axis_name[0], font_size);
const Vector2 char_offset = Vector2(-char_size.width / 2.0, char_size.height * 0.25);
draw_char(font, p_axis.screen_point + char_offset, axis_name, font_size, Color(0.0, 0.0, 0.0, alpha * 0.6));
} else {
// Draw an outline around the negative axes.
draw_circle(p_axis.screen_point, AXIS_CIRCLE_RADIUS, c, true, -1.0, true);
draw_circle(p_axis.screen_point, AXIS_CIRCLE_RADIUS * 0.8, c.darkened(0.4), true, -1.0, true);
}
}
void ViewportRotationControl::_get_sorted_axis(Vector<Axis2D> &r_axis) {
const Vector2 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_column(i);
Vector2 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::_process_click(int p_index, Vector2 p_position, bool p_pressed) {
if (orbiting_index != -1 && orbiting_index != p_index) {
return;
}
if (p_pressed) {
if (p_position.distance_to(get_size() / 2.0) < get_size().x / 2.0) {
orbiting_index = p_index;
}
} else {
if (focused_axis > -1) {
viewport->_menu_option(axis_menu_options[focused_axis]);
_update_focus();
}
orbiting_index = -1;
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(orbiting_mouse_start);
}
}
}
void ViewportRotationControl::_process_drag(Ref<InputEventWithModifiers> p_event, int p_index, Vector2 p_position, Vector2 p_relative_position) {
if (orbiting_index == p_index) {
if (Input::get_singleton()->get_mouse_mode() == Input::MOUSE_MODE_VISIBLE) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
orbiting_mouse_start = p_position;
}
viewport->_nav_orbit(p_event, p_relative_position);
focused_axis = -1;
} else {
_update_focus();
}
}
void ViewportRotationControl::gui_input(const Ref<InputEvent> &p_event) {
ERR_FAIL_COND(p_event.is_null());
// Mouse events
const Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT) {
_process_click(100, mb->get_position(), mb->is_pressed());
}
const Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
_process_drag(mm, 100, mm->get_global_position(), viewport->_get_warped_mouse_motion(mm));
}
// Touch events
const Ref<InputEventScreenTouch> screen_touch = p_event;
if (screen_touch.is_valid()) {
_process_click(screen_touch->get_index(), screen_touch->get_position(), screen_touch->is_pressed());
}
const Ref<InputEventScreenDrag> screen_drag = p_event;
if (screen_drag.is_valid()) {
_process_drag(screen_drag, screen_drag->get_index(), screen_drag->get_position(), screen_drag->get_relative());
}
}
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) {
queue_redraw();
}
}
void ViewportRotationControl::_on_mouse_exited() {
focused_axis = -2;
queue_redraw();
}
void ViewportRotationControl::set_viewport(Node3DEditorViewport *p_viewport) {
viewport = p_viewport;
}
void Node3DEditorViewport::_view_settings_confirmed(real_t p_interp_delta) {
// Set FOV override multiplier back to the default, so that the FOV
// setting specified in the View menu is correctly applied.
cursor.fov_scale = 1.0;
_update_camera(p_interp_delta);
}
void Node3DEditorViewport::_update_navigation_controls_visibility() {
bool show_viewport_rotation_gizmo = EDITOR_GET("editors/3d/navigation/show_viewport_rotation_gizmo") && (!previewing_cinema && !previewing_camera);
rotation_control->set_visible(show_viewport_rotation_gizmo);
bool show_viewport_navigation_gizmo = EDITOR_GET("editors/3d/navigation/show_viewport_navigation_gizmo") && (!previewing_cinema && !previewing_camera);
position_control->set_visible(show_viewport_navigation_gizmo);
look_control->set_visible(show_viewport_navigation_gizmo);
}
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.
const real_t inertia = EDITOR_GET("editors/3d/freelook/freelook_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));
const real_t orbit_inertia = EDITOR_GET("editors/3d/navigation_feel/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 {
const real_t orbit_inertia = EDITOR_GET("editors/3d/navigation_feel/orbit_inertia");
const real_t translation_inertia = EDITOR_GET("editors/3d/navigation_feel/translation_inertia");
const real_t zoom_inertia = EDITOR_GET("editors/3d/navigation_feel/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;
} else if (!Math::is_equal_approx(old_camera_cursor.fov_scale, camera_cursor.fov_scale, tolerance)) {
equal = false;
}
if (!equal || p_interp_delta == 0 || is_orthogonal != orthogonal) {
last_camera_transform = to_camera_transform(camera_cursor);
camera->set_global_transform(last_camera_transform);
if (orthogonal) {
float half_fov = Math::deg_to_rad(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->queue_redraw();
position_control->queue_redraw();
look_control->queue_redraw();
spatial_editor->update_grid();
}
}
Transform3D Node3DEditorViewport::to_camera_transform(const Cursor &p_cursor) const {
Transform3D camera_transform;
camera_transform.translate_local(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_local(0, 0, (get_zfar() - get_znear()) / 2.0);
} else {
camera_transform.translate_local(0, 0, p_cursor.distance);
}
return camera_transform;
}
int Node3DEditorViewport::get_selected_count() const {
const HashMap<Node *, Object *> &selection = editor_selection->get_selection();
int count = 0;
for (const KeyValue<Node *, Object *> &E : selection) {
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;
}
void Node3DEditorViewport::cancel_transform() {
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 *se = editor_selection->get_node_editor_data<Node3DEditorSelectedItem>(sp);
if (!se) {
continue;
}
if (se && se->gizmo.is_valid()) {
Vector<int> ids;
Vector<Transform3D> restore;
for (const KeyValue<int, Transform3D> &GE : se->subgizmos) {
ids.push_back(GE.key);
restore.push_back(GE.value);
}
se->gizmo->commit_subgizmos(ids, restore, true);
}
sp->set_global_transform(se->original);
}
collision_reposition = false;
finish_transform();
set_message(TTR("Transform Aborted."), 3);
}
void Node3DEditorViewport::_update_shrink() {
bool shrink = view_menu->get_popup()->is_item_checked(view_menu->get_popup()->get_item_index(VIEW_HALF_RESOLUTION));
subviewport_container->set_stretch_shrink(shrink ? 2 : 1);
subviewport_container->set_texture_filter(shrink ? TEXTURE_FILTER_NEAREST : TEXTURE_FILTER_PARENT_NODE);
}
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() * cursor.fov_scale, 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_column(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_handle_secondary = false;
_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;
}
Node *edited_scene = EditorNode::get_singleton()->get_edited_scene();
// Prevent selection of nodes not owned by the edited scene.
while (node && node != edited_scene->get_parent()) {
Node *node_owner = node->get_owner();
if (node_owner == edited_scene || node == edited_scene || (node_owner != nullptr && edited_scene->is_editable_instance(node_owner))) {
break;
}
node = node->get_parent();
selected = Object::cast_to<Node3D>(node);
}
if (!p_allow_locked) {
// Replace the node by the group if grouped
while (node && node != 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 || (selected != nullptr && !_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);
EditorNode::get_singleton()->edit_node(selected);
}
}
if (editor_selection->get_selected_node_list().size() == 1) {
EditorNode::get_singleton()->edit_node(editor_selection->get_selected_node_list().front()->get());
}
}
}
ObjectID Node3DEditorViewport::_select_ray(const Point2 &p_pos) const {
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);
}
HashSet<Ref<EditorNode3DGizmo>> found_gizmos;
Node *edited_scene = get_tree()->get_edited_scene_root();
ObjectID closest;
Node *item = nullptr;
float closest_dist = 1e20;
Vector<Node3D *> nodes_with_gizmos = Node3DEditor::get_singleton()->gizmo_bvh_ray_query(pos, pos + ray * camera->get_far());
for (Node3D *spat : nodes_with_gizmos) {
if (!spat || _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()) || 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<Node3D *> nodes_with_gizmos = Node3DEditor::get_singleton()->gizmo_bvh_ray_query(pos, pos + ray * camera->get_far());
HashSet<Node3D *> found_nodes;
for (Node3D *spat : nodes_with_gizmos) {
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) {
Projection 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_local(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_local(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 - b).normalized(), a));
} else {
frustum.push_back(Plane(a, b, cam_pos));
}
}
Plane near_plane = Plane(-_get_camera_normal(), cam_pos);
near_plane.d -= get_znear();
frustum.push_back(near_plane);
Plane far_plane = -near_plane;
far_plane.d += get_zfar();
frustum.push_back(far_plane);
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();