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spatial_editor_plugin.cpp
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spatial_editor_plugin.cpp
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/*************************************************************************/
/* spatial_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 "spatial_editor_plugin.h"
#include "core/math/camera_matrix.h"
#include "core/os/input.h"
#include "core/os/keyboard.h"
#include "core/print_string.h"
#include "core/project_settings.h"
#include "core/sort_array.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/plugins/animation_player_editor_plugin.h"
#include "editor/plugins/script_editor_plugin.h"
#include "editor/script_editor_debugger.h"
#include "editor/spatial_editor_gizmos.h"
#include "scene/3d/camera.h"
#include "scene/3d/collision_shape.h"
#include "scene/3d/mesh_instance.h"
#include "scene/3d/physics_body.h"
#include "scene/3d/visual_instance.h"
#include "scene/gui/viewport_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_SCALE_DEFAULT 0.15
#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_MIN_DISTANCE 0.001
#define ZOOM_MULTIPLIER 1.08
#define ZOOM_INDICATOR_DELAY_S 1.5
#define FREELOOK_MIN_SPEED 0.01
#define FREELOOK_SPEED_MULTIPLIER 1.08
#define MIN_Z 0.01
#define MAX_Z 1000000.0
#define MIN_FOV 0.01
#define MAX_FOV 179
void SpatialEditorViewport::_update_camera(float p_interp_delta) {
bool is_orthogonal = camera->get_projection() == Camera::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.linear_interpolate(cursor.eye_pos, CLAMP(factor, 0, 1));
float 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)));
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
float free_orbit_inertia = EDITOR_GET("editors/3d/navigation_feel/orbit_inertia");
float free_translation_inertia = EDITOR_GET("editors/3d/navigation_feel/translation_inertia");
//when being manipulated, move more quickly
float manip_orbit_inertia = EDITOR_GET("editors/3d/navigation_feel/manipulation_orbit_inertia");
float manip_translation_inertia = EDITOR_GET("editors/3d/navigation_feel/manipulation_translation_inertia");
float 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_CONTROL);
float orbit_inertia = MAX(0.00001, manipulated ? manip_orbit_inertia : free_orbit_inertia);
float 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)));
camera_cursor.pos = old_camera_cursor.pos.linear_interpolate(cursor.pos, MIN(1.f, p_interp_delta * (1 / translation_inertia)));
camera_cursor.distance = Math::lerp(old_camera_cursor.distance, cursor.distance, MIN(1.f, p_interp_delta * (1 / zoom_inertia)));
}
}
//-------
// Apply camera transform
float tolerance = 0.001;
bool equal = true;
if (Math::abs(old_camera_cursor.x_rot - camera_cursor.x_rot) > tolerance || Math::abs(old_camera_cursor.y_rot - camera_cursor.y_rot) > tolerance) {
equal = false;
}
if (equal && old_camera_cursor.pos.distance_squared_to(camera_cursor.pos) > tolerance * tolerance) {
equal = false;
}
if (equal && Math::abs(old_camera_cursor.distance - camera_cursor.distance) > tolerance) {
equal = false;
}
if (!equal || p_interp_delta == 0 || is_freelook_active() || is_orthogonal != orthogonal) {
camera->set_global_transform(to_camera_transform(camera_cursor));
if (orthogonal)
camera->set_orthogonal(2 * cursor.distance, 0.1, 8192);
else
camera->set_perspective(get_fov(), get_znear(), get_zfar());
update_transform_gizmo_view();
}
}
Transform SpatialEditorViewport::to_camera_transform(const Cursor &p_cursor) const {
Transform 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, 4096);
else
camera_transform.translate(0, 0, p_cursor.distance);
return camera_transform;
}
int SpatialEditorViewport::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()) {
Spatial *sp = Object::cast_to<Spatial>(E->key());
if (!sp)
continue;
SpatialEditorSelectedItem *se = editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
if (!se)
continue;
count++;
}
return count;
}
float SpatialEditorViewport::get_znear() const {
return CLAMP(spatial_editor->get_znear(), MIN_Z, MAX_Z);
}
float SpatialEditorViewport::get_zfar() const {
return CLAMP(spatial_editor->get_zfar(), MIN_Z, MAX_Z);
}
float SpatialEditorViewport::get_fov() const {
return CLAMP(spatial_editor->get_fov(), MIN_FOV, MAX_FOV);
}
Transform SpatialEditorViewport::_get_camera_transform() const {
return camera->get_global_transform();
}
Vector3 SpatialEditorViewport::_get_camera_position() const {
return _get_camera_transform().origin;
}
Point2 SpatialEditorViewport::_point_to_screen(const Vector3 &p_point) {
return camera->unproject_position(p_point) * viewport_container->get_stretch_shrink();
}
Vector3 SpatialEditorViewport::_get_ray_pos(const Vector2 &p_pos) const {
return camera->project_ray_origin(p_pos / viewport_container->get_stretch_shrink());
}
Vector3 SpatialEditorViewport::_get_camera_normal() const {
return -_get_camera_transform().basis.get_axis(2);
}
Vector3 SpatialEditorViewport::_get_ray(const Vector2 &p_pos) const {
return camera->project_ray_normal(p_pos / viewport_container->get_stretch_shrink());
}
void SpatialEditorViewport::_clear_selected() {
editor_selection->clear();
}
void SpatialEditorViewport::_select_clicked(bool p_append, bool p_single) {
if (!clicked)
return;
Node *node = Object::cast_to<Node>(ObjectDB::get_instance(clicked));
Spatial *selected = Object::cast_to<Spatial>(node);
if (!selected)
return;
// Replace the node by the group if grouped
while (node && node != editor->get_edited_scene()->get_parent()) {
Spatial *selected_tmp = Object::cast_to<Spatial>(node);
if (selected_tmp && node->has_meta("_edit_group_")) {
selected = selected_tmp;
}
node = node->get_parent();
}
if (!_is_node_locked(selected))
_select(selected, clicked_wants_append, true);
}
void SpatialEditorViewport::_select(Node *p_node, bool p_append, bool p_single) {
if (!p_append) {
editor_selection->clear();
}
if (editor_selection->is_selected(p_node)) {
//erase
editor_selection->remove_node(p_node);
} else {
editor_selection->add_node(p_node);
}
if (p_single) {
if (Engine::get_singleton()->is_editor_hint())
editor->call("edit_node", p_node);
}
}
ObjectID SpatialEditorViewport::_select_ray(const Point2 &p_pos, bool p_append, bool &r_includes_current, int *r_gizmo_handle, bool p_alt_select) {
if (r_gizmo_handle)
*r_gizmo_handle = -1;
Vector3 ray = _get_ray(p_pos);
Vector3 pos = _get_ray_pos(p_pos);
Vector2 shrinked_pos = p_pos / viewport_container->get_stretch_shrink();
Vector<ObjectID> instances = VisualServer::get_singleton()->instances_cull_ray(pos, ray, get_tree()->get_root()->get_world()->get_scenario());
Set<Ref<EditorSpatialGizmo> > found_gizmos;
Node *edited_scene = get_tree()->get_edited_scene_root();
ObjectID closest = 0;
Node *item = NULL;
float closest_dist = 1e20;
int selected_handle = -1;
for (int i = 0; i < instances.size(); i++) {
Spatial *spat = Object::cast_to<Spatial>(ObjectDB::get_instance(instances[i]));
if (!spat)
continue;
Ref<EditorSpatialGizmo> seg = spat->get_gizmo();
if ((!seg.is_valid()) || found_gizmos.has(seg)) {
continue;
}
found_gizmos.insert(seg);
Vector3 point;
Vector3 normal;
int handle = -1;
bool inters = seg->intersect_ray(camera, shrinked_pos, point, normal, &handle, p_alt_select);
if (!inters)
continue;
float dist = pos.distance_to(point);
if (dist < 0)
continue;
if (dist < closest_dist) {
item = Object::cast_to<Node>(spat);
while (item->get_owner() && item->get_owner() != edited_scene && !edited_scene->is_editable_instance(item->get_owner())) {
item = item->get_owner();
}
closest = item->get_instance_id();
closest_dist = dist;
selected_handle = handle;
}
}
if (!item)
return 0;
if (!editor_selection->is_selected(item) || (r_gizmo_handle && selected_handle >= 0)) {
if (r_gizmo_handle)
*r_gizmo_handle = selected_handle;
}
return closest;
}
void SpatialEditorViewport::_find_items_at_pos(const Point2 &p_pos, bool &r_includes_current, Vector<_RayResult> &results, bool p_alt_select) {
Vector3 ray = _get_ray(p_pos);
Vector3 pos = _get_ray_pos(p_pos);
Vector<ObjectID> instances = VisualServer::get_singleton()->instances_cull_ray(pos, ray, get_tree()->get_root()->get_world()->get_scenario());
Set<Ref<EditorSpatialGizmo> > found_gizmos;
r_includes_current = false;
for (int i = 0; i < instances.size(); i++) {
Spatial *spat = Object::cast_to<Spatial>(ObjectDB::get_instance(instances[i]));
if (!spat)
continue;
Ref<EditorSpatialGizmo> seg = spat->get_gizmo();
if (!seg.is_valid())
continue;
if (found_gizmos.has(seg))
continue;
found_gizmos.insert(seg);
Vector3 point;
Vector3 normal;
int handle = -1;
bool inters = seg->intersect_ray(camera, p_pos, point, normal, NULL, p_alt_select);
if (!inters)
continue;
float dist = pos.distance_to(point);
if (dist < 0)
continue;
if (editor_selection->is_selected(spat))
r_includes_current = true;
_RayResult res;
res.item = spat;
res.depth = dist;
res.handle = handle;
results.push_back(res);
}
if (results.empty())
return;
results.sort();
}
Vector3 SpatialEditorViewport::_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();
Transform 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 SpatialEditorViewport::_select_region() {
if (cursor.region_begin == cursor.region_end)
return; //nothing really
float 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));
}
}
if (!orthogonal) {
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);
}
Vector<ObjectID> instances = VisualServer::get_singleton()->instances_cull_convex(frustum, get_tree()->get_root()->get_world()->get_scenario());
Vector<Node *> selected;
Node *edited_scene = get_tree()->get_edited_scene_root();
for (int i = 0; i < instances.size(); i++) {
Spatial *sp = Object::cast_to<Spatial>(ObjectDB::get_instance(instances[i]));
if (!sp || _is_node_locked(sp))
continue;
Node *item = Object::cast_to<Node>(sp);
while (item->get_owner() && item->get_owner() != edited_scene && !edited_scene->is_editable_instance(item->get_owner())) {
item = item->get_owner();
}
// Replace the node by the group if grouped
if (item->is_class("Spatial")) {
Spatial *sel = Object::cast_to<Spatial>(item);
while (item && item != editor->get_edited_scene()->get_parent()) {
Spatial *selected_tmp = Object::cast_to<Spatial>(item);
if (selected_tmp && item->has_meta("_edit_group_")) {
sel = selected_tmp;
}
item = item->get_parent();
}
item = sel;
}
if (selected.find(item) != -1) continue;
if (_is_node_locked(item)) continue;
Ref<EditorSpatialGizmo> seg = sp->get_gizmo();
if (!seg.is_valid())
continue;
if (seg->intersect_frustum(camera, frustum)) {
selected.push_back(item);
}
}
bool single = selected.size() == 1;
for (int i = 0; i < selected.size(); i++) {
_select(selected[i], true, single);
}
}
void SpatialEditorViewport::_update_name() {
String view_mode = orthogonal ? TTR("Orthogonal") : TTR("Perspective");
if (name != "")
view_menu->set_text(name + " " + view_mode);
else
view_menu->set_text(view_mode);
view_menu->set_size(Vector2(0, 0)); // resets the button size
}
void SpatialEditorViewport::_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;
List<Node *> &selection = editor_selection->get_selected_node_list();
for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
Spatial *sp = Object::cast_to<Spatial>(E->get());
if (!sp)
continue;
SpatialEditorSelectedItem *se = editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
if (!se)
continue;
se->original = se->sp->get_global_gizmo_transform();
se->original_local = se->sp->get_local_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_CONTROL;
}
return 0;
}
static int _get_key_modifier(Ref<InputEventWithModifiers> e) {
if (e->get_shift())
return KEY_SHIFT;
if (e->get_alt())
return KEY_ALT;
if (e->get_control())
return KEY_CONTROL;
if (e->get_metakey())
return KEY_META;
return 0;
}
bool SpatialEditorViewport::_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));
Transform gt = spatial_editor->get_gizmo_transform();
float gs = gizmo_scale;
if (spatial_editor->get_tool_mode() == SpatialEditor::TOOL_MODE_SELECT || spatial_editor->get_tool_mode() == SpatialEditor::TOOL_MODE_MOVE) {
int col_axis = -1;
float col_d = 1e20;
for (int i = 0; i < 3; i++) {
Vector3 grabber_pos = gt.origin + gt.basis.get_axis(i) * gs * (GIZMO_ARROW_OFFSET + (GIZMO_ARROW_SIZE * 0.5));
float grabber_radius = gs * GIZMO_ARROW_SIZE;
Vector3 r;
if (Geometry::segment_intersects_sphere(ray_pos, ray_pos + ray * MAX_Z, grabber_pos, grabber_radius, &r)) {
float 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();
Vector3 grabber_pos = gt.origin + (ivec2 + ivec3) * gs * (GIZMO_PLANE_SIZE + GIZMO_PLANE_DST);
Vector3 r;
Plane plane(gt.origin, gt.basis.get_axis(i).normalized());
if (plane.intersects_ray(ray_pos, ray, &r)) {
float dist = r.distance_to(grabber_pos);
if (dist < (gs * GIZMO_PLANE_SIZE)) {
float d = ray_pos.distance_to(r);
if (d < col_d) {
col_d = d;
col_axis = i;
is_plane_translate = true;
}
}
}
}
}
if (col_axis != -1) {
if (p_highlight_only) {
spatial_editor->select_gizmo_highlight_axis(col_axis + (is_plane_translate ? 6 : 0));
} else {
//handle plane translate
_edit.mode = TRANSFORM_TRANSLATE;
_compute_edit(Point2(p_screenpos.x, p_screenpos.y));
_edit.plane = TransformPlane(TRANSFORM_X_AXIS + col_axis + (is_plane_translate ? 3 : 0));
}
return true;
}
}
if (spatial_editor->get_tool_mode() == SpatialEditor::TOOL_MODE_SELECT || spatial_editor->get_tool_mode() == SpatialEditor::TOOL_MODE_ROTATE) {
int col_axis = -1;
float col_d = 1e20;
for (int i = 0; i < 3; i++) {
Plane plane(gt.origin, gt.basis.get_axis(i).normalized());
Vector3 r;
if (!plane.intersects_ray(ray_pos, ray, &r))
continue;
float dist = r.distance_to(gt.origin);
if (dist > gs * (GIZMO_CIRCLE_SIZE - GIZMO_RING_HALF_WIDTH) && dist < gs * (GIZMO_CIRCLE_SIZE + GIZMO_RING_HALF_WIDTH)) {
float d = ray_pos.distance_to(r);
if (d < col_d) {
col_d = d;
col_axis = i;
}
}
}
if (col_axis != -1) {
if (p_highlight_only) {
spatial_editor->select_gizmo_highlight_axis(col_axis + 3);
} else {
//handle rotate
_edit.mode = TRANSFORM_ROTATE;
_compute_edit(Point2(p_screenpos.x, p_screenpos.y));
_edit.plane = TransformPlane(TRANSFORM_X_AXIS + col_axis);
}
return true;
}
}
if (spatial_editor->get_tool_mode() == SpatialEditor::TOOL_MODE_SCALE) {
int col_axis = -1;
float col_d = 1e20;
for (int i = 0; i < 3; i++) {
Vector3 grabber_pos = gt.origin + gt.basis.get_axis(i) * gs * GIZMO_SCALE_OFFSET;
float grabber_radius = gs * GIZMO_ARROW_SIZE;
Vector3 r;
if (Geometry::segment_intersects_sphere(ray_pos, ray_pos + ray * MAX_Z, grabber_pos, grabber_radius, &r)) {
float d = r.distance_to(ray_pos);
if (d < col_d) {
col_d = d;
col_axis = i;
}
}
}
bool is_plane_scale = 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();
Vector3 grabber_pos = gt.origin + (ivec2 + ivec3) * gs * (GIZMO_PLANE_SIZE + GIZMO_PLANE_DST);
Vector3 r;
Plane plane(gt.origin, gt.basis.get_axis(i).normalized());
if (plane.intersects_ray(ray_pos, ray, &r)) {
float dist = r.distance_to(grabber_pos);
if (dist < (gs * GIZMO_PLANE_SIZE)) {
float d = ray_pos.distance_to(r);
if (d < col_d) {
col_d = d;
col_axis = i;
is_plane_scale = true;
}
}
}
}
}
if (col_axis != -1) {
if (p_highlight_only) {
spatial_editor->select_gizmo_highlight_axis(col_axis + (is_plane_scale ? 12 : 9));
} else {
//handle scale
_edit.mode = TRANSFORM_SCALE;
_compute_edit(Point2(p_screenpos.x, p_screenpos.y));
_edit.plane = TransformPlane(TRANSFORM_X_AXIS + col_axis + (is_plane_scale ? 3 : 0));
}
return true;
}
}
if (p_highlight_only)
spatial_editor->select_gizmo_highlight_axis(-1);
return false;
}
void SpatialEditorViewport::_surface_mouse_enter() {
if (!surface->has_focus() && (!get_focus_owner() || !get_focus_owner()->is_text_field()))
surface->grab_focus();
}
void SpatialEditorViewport::_surface_mouse_exit() {
_remove_preview();
}
void SpatialEditorViewport::_surface_focus_enter() {
view_menu->set_disable_shortcuts(false);
}
void SpatialEditorViewport::_surface_focus_exit() {
view_menu->set_disable_shortcuts(true);
}
bool SpatialEditorViewport ::_is_node_locked(const Node *p_node) {
return p_node->has_meta("_edit_lock_") && p_node->get_meta("_edit_lock_");
}
void SpatialEditorViewport::_list_select(Ref<InputEventMouseButton> b) {
_find_items_at_pos(b->get_position(), clicked_includes_current, selection_results, b->get_shift());
Node *scene = editor->get_edited_scene();
for (int i = 0; i < selection_results.size(); i++) {
Spatial *item = selection_results[i].item;
if (item != scene && item->get_owner() != scene && !scene->is_editable_instance(item->get_owner())) {
//invalid result
selection_results.remove(i);
i--;
}
}
clicked_wants_append = b->get_shift();
if (selection_results.size() == 1) {
clicked = selection_results[0].item->get_instance_id();
selection_results.clear();
if (clicked) {
_select_clicked(clicked_wants_append, true);
clicked = 0;
}
} else if (!selection_results.empty()) {
NodePath root_path = get_tree()->get_edited_scene_root()->get_path();
StringName root_name = root_path.get_name(root_path.get_name_count() - 1);
for (int i = 0; i < selection_results.size(); i++) {
Spatial *spat = selection_results[i].item;
Ref<Texture> icon = EditorNode::get_singleton()->get_object_icon(spat, "Node");
String node_path = "/" + root_name + "/" + root_path.rel_path_to(spat->get_path());
selection_menu->add_item(spat->get_name());
selection_menu->set_item_icon(i, icon);
selection_menu->set_item_metadata(i, node_path);
selection_menu->set_item_tooltip(i, String(spat->get_name()) + "\nType: " + spat->get_class() + "\nPath: " + node_path);
}
selection_menu->set_global_position(b->get_global_position());
selection_menu->popup();
}
}
void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
if (previewing)
return; //do NONE
{
EditorNode *en = editor;
EditorPluginList *force_input_forwarding_list = en->get_editor_plugins_force_input_forwarding();
if (!force_input_forwarding_list->empty()) {
bool discard = force_input_forwarding_list->forward_spatial_gui_input(camera, p_event, true);
if (discard)
return;
}
}
{
EditorNode *en = editor;
EditorPluginList *over_plugin_list = en->get_editor_plugins_over();
if (!over_plugin_list->empty()) {
bool discard = over_plugin_list->forward_spatial_gui_input(camera, p_event, false);
if (discard)
return;
}
}
Ref<InputEventMouseButton> b = p_event;
if (b.is_valid()) {
emit_signal("clicked", this);
float zoom_factor = 1 + (ZOOM_MULTIPLIER - 1) * b->get_factor();
switch (b->get_button_index()) {
case BUTTON_WHEEL_UP: {
if (is_freelook_active())
scale_freelook_speed(zoom_factor);
else
scale_cursor_distance(1.0 / zoom_factor);
} break;
case BUTTON_WHEEL_DOWN: {
if (is_freelook_active())
scale_freelook_speed(1.0 / zoom_factor);
else
scale_cursor_distance(zoom_factor);
} break;
case BUTTON_RIGHT: {
NavigationScheme nav_scheme = (NavigationScheme)EditorSettings::get_singleton()->get("editors/3d/navigation/navigation_scheme").operator int();
if (b->is_pressed() && _edit.gizmo.is_valid()) {
//restore
_edit.gizmo->commit_handle(_edit.gizmo_handle, _edit.gizmo_initial_value, true);
_edit.gizmo = Ref<EditorSpatialGizmo>();
}
if (_edit.mode == TRANSFORM_NONE && b->is_pressed()) {
if (b->get_alt()) {
if (nav_scheme == NAVIGATION_MAYA)
break;
_list_select(b);
return;
}
}
if (_edit.mode != TRANSFORM_NONE && b->is_pressed()) {
//cancel motion
_edit.mode = TRANSFORM_NONE;
List<Node *> &selection = editor_selection->get_selected_node_list();
for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
Spatial *sp = Object::cast_to<Spatial>(E->get());
if (!sp)
continue;
SpatialEditorSelectedItem *se = editor_selection->get_node_editor_data<SpatialEditorSelectedItem>(sp);
if (!se)
continue;
sp->set_global_transform(se->original);
}
surface->update();
set_message(TTR("Transform Aborted."), 3);
}
if (b->is_pressed()) {
const int mod = _get_key_modifier(b);
if (!orthogonal) {
if (mod == _get_key_modifier_setting("editors/3d/freelook/freelook_activation_modifier")) {
set_freelook_active(true);
}
}
} else {
set_freelook_active(false);
}
if (freelook_active && !surface->has_focus()) {
// Focus usually doesn't trigger on right-click, but in case of freelook it should,
// otherwise using keyboard navigation would misbehave
surface->grab_focus();
}
} break;
case BUTTON_MIDDLE: {
if (b->is_pressed() && _edit.mode != TRANSFORM_NONE) {
switch (_edit.plane) {
case TRANSFORM_VIEW: {
_edit.plane = TRANSFORM_X_AXIS;
set_message(TTR("X-Axis Transform."), 2);
name = "";
_update_name();
} break;
case TRANSFORM_X_AXIS: {