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godot/editor/plugins/path_3d_editor_plugin.cpp

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/*************************************************************************/
/* path_3d_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "path_3d_editor_plugin.h"
#include "core/math/geometry_2d.h"
#include "core/math/geometry_3d.h"
#include "core/os/keyboard.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
#include "node_3d_editor_plugin.h"
#include "scene/resources/curve.h"
static bool _is_in_handle(int p_id, int p_num_points) {
int t = (p_id + 1) % 2;
int idx = (p_id + 1) / 2;
// order of points is [out_0, out_1, in_1, out_2, in_2, ... out_n-1, in_n-1, in_n]
if (idx == 0) {
return false;
} else if (idx == (p_num_points - 1)) {
return true;
} else {
return (t == 1);
}
}
String Path3DGizmo::get_handle_name(int p_id, bool p_secondary) const {
Ref<Curve3D> c = path->get_curve();
if (c.is_null()) {
return "";
}
if (!p_secondary) {
return TTR("Curve Point #") + itos(p_id);
}
// (p_id + 1) Accounts for the first point only having an "out" handle
int idx = (p_id + 1) / 2;
String n = TTR("Curve Point #") + itos(idx);
if (_is_in_handle(p_id, c->get_point_count())) {
n += " In";
} else {
n += " Out";
}
return n;
}
Variant Path3DGizmo::get_handle_value(int p_id, bool p_secondary) const {
Ref<Curve3D> c = path->get_curve();
if (c.is_null()) {
return Variant();
}
if (!p_secondary) {
original = c->get_point_position(p_id);
return original;
}
// (p_id + 1) Accounts for the first point only having an "out" handle
int idx = (p_id + 1) / 2;
Vector3 ofs;
if (_is_in_handle(p_id, c->get_point_count())) {
ofs = c->get_point_in(idx);
} else {
ofs = c->get_point_out(idx);
}
original = ofs + c->get_point_position(idx);
return ofs;
}
void Path3DGizmo::set_handle(int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
Ref<Curve3D> c = path->get_curve();
if (c.is_null()) {
return;
}
Transform3D gt = path->get_global_transform();
Transform3D gi = gt.affine_inverse();
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
// Setting curve point positions
if (!p_secondary) {
const Plane p = Plane(p_camera->get_transform().basis.get_column(2), gt.xform(original));
Vector3 inters;
if (p.intersects_ray(ray_from, ray_dir, &inters)) {
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
float snap = Node3DEditor::get_singleton()->get_translate_snap();
inters.snap(Vector3(snap, snap, snap));
}
Vector3 local = gi.xform(inters);
c->set_point_position(p_id, local);
}
return;
}
// (p_id + 1) Accounts for the first point only having an "out" handle
int idx = (p_id + 1) / 2;
Vector3 base = c->get_point_position(idx);
Plane p(p_camera->get_transform().basis.get_column(2), gt.xform(original));
Vector3 inters;
// Setting curve in/out positions
if (p.intersects_ray(ray_from, ray_dir, &inters)) {
if (!Path3DEditorPlugin::singleton->is_handle_clicked()) {
orig_in_length = c->get_point_in(idx).length();
orig_out_length = c->get_point_out(idx).length();
Path3DEditorPlugin::singleton->set_handle_clicked(true);
}
Vector3 local = gi.xform(inters) - base;
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
float snap = Node3DEditor::get_singleton()->get_translate_snap();
local.snap(Vector3(snap, snap, snap));
}
if (_is_in_handle(p_id, c->get_point_count())) {
c->set_point_in(idx, local);
if (Path3DEditorPlugin::singleton->mirror_angle_enabled()) {
c->set_point_out(idx, Path3DEditorPlugin::singleton->mirror_length_enabled() ? -local : (-local.normalized() * orig_out_length));
}
} else {
c->set_point_out(idx, local);
if (Path3DEditorPlugin::singleton->mirror_angle_enabled()) {
c->set_point_in(idx, Path3DEditorPlugin::singleton->mirror_length_enabled() ? -local : (-local.normalized() * orig_in_length));
}
}
}
}
void Path3DGizmo::commit_handle(int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
Ref<Curve3D> c = path->get_curve();
if (c.is_null()) {
return;
}
Ref<EditorUndoRedoManager> &ur = EditorNode::get_undo_redo();
if (!p_secondary) {
if (p_cancel) {
c->set_point_position(p_id, p_restore);
return;
}
ur->create_action(TTR("Set Curve Point Position"));
ur->add_do_method(c.ptr(), "set_point_position", p_id, c->get_point_position(p_id));
ur->add_undo_method(c.ptr(), "set_point_position", p_id, p_restore);
ur->commit_action();
return;
}
// (p_id + 1) Accounts for the first point only having an "out" handle
int idx = (p_id + 1) / 2;
if (_is_in_handle(p_id, c->get_point_count())) {
if (p_cancel) {
c->set_point_in(p_id, p_restore);
return;
}
ur->create_action(TTR("Set Curve In Position"));
ur->add_do_method(c.ptr(), "set_point_in", idx, c->get_point_in(idx));
ur->add_undo_method(c.ptr(), "set_point_in", idx, p_restore);
if (Path3DEditorPlugin::singleton->mirror_angle_enabled()) {
ur->add_do_method(c.ptr(), "set_point_out", idx, Path3DEditorPlugin::singleton->mirror_length_enabled() ? -c->get_point_in(idx) : (-c->get_point_in(idx).normalized() * orig_out_length));
ur->add_undo_method(c.ptr(), "set_point_out", idx, Path3DEditorPlugin::singleton->mirror_length_enabled() ? -static_cast<Vector3>(p_restore) : (-static_cast<Vector3>(p_restore).normalized() * orig_out_length));
}
ur->commit_action();
} else {
if (p_cancel) {
c->set_point_out(idx, p_restore);
return;
}
ur->create_action(TTR("Set Curve Out Position"));
ur->add_do_method(c.ptr(), "set_point_out", idx, c->get_point_out(idx));
ur->add_undo_method(c.ptr(), "set_point_out", idx, p_restore);
if (Path3DEditorPlugin::singleton->mirror_angle_enabled()) {
ur->add_do_method(c.ptr(), "set_point_in", idx, Path3DEditorPlugin::singleton->mirror_length_enabled() ? -c->get_point_out(idx) : (-c->get_point_out(idx).normalized() * orig_in_length));
ur->add_undo_method(c.ptr(), "set_point_in", idx, Path3DEditorPlugin::singleton->mirror_length_enabled() ? -static_cast<Vector3>(p_restore) : (-static_cast<Vector3>(p_restore).normalized() * orig_in_length));
}
ur->commit_action();
}
}
void Path3DGizmo::redraw() {
clear();
Ref<StandardMaterial3D> path_material = gizmo_plugin->get_material("path_material", this);
Ref<StandardMaterial3D> path_thin_material = gizmo_plugin->get_material("path_thin_material", this);
Ref<StandardMaterial3D> handles_material = gizmo_plugin->get_material("handles");
Ref<StandardMaterial3D> sec_handles_material = gizmo_plugin->get_material("sec_handles");
Ref<Curve3D> c = path->get_curve();
if (c.is_null()) {
return;
}
Vector<Vector3> v3a = c->tessellate();
//Vector<Vector3> v3a=c->get_baked_points();
int v3s = v3a.size();
if (v3s == 0) {
return;
}
Vector<Vector3> v3p;
const Vector3 *r = v3a.ptr();
// BUG: the following won't work when v3s, avoid drawing as a temporary workaround.
for (int i = 0; i < v3s - 1; i++) {
v3p.push_back(r[i]);
v3p.push_back(r[i + 1]);
//v3p.push_back(r[i]);
//v3p.push_back(r[i]+Vector3(0,0.2,0));
}
if (v3p.size() > 1) {
add_lines(v3p, path_material);
add_collision_segments(v3p);
}
if (Path3DEditorPlugin::singleton->get_edited_path() == path) {
v3p.clear();
Vector<Vector3> handles;
Vector<Vector3> sec_handles;
for (int i = 0; i < c->get_point_count(); i++) {
Vector3 p = c->get_point_position(i);
handles.push_back(p);
// push Out points first so they get selected if the In and Out points are on top of each other.
if (i < c->get_point_count() - 1) {
v3p.push_back(p);
v3p.push_back(p + c->get_point_out(i));
sec_handles.push_back(p + c->get_point_out(i));
}
if (i > 0) {
v3p.push_back(p);
v3p.push_back(p + c->get_point_in(i));
sec_handles.push_back(p + c->get_point_in(i));
}
}
if (v3p.size() > 1) {
add_lines(v3p, path_thin_material);
}
if (handles.size()) {
add_handles(handles, handles_material);
}
if (sec_handles.size()) {
add_handles(sec_handles, sec_handles_material, Vector<int>(), false, true);
}
}
}
Path3DGizmo::Path3DGizmo(Path3D *p_path) {
path = p_path;
set_spatial_node(p_path);
orig_in_length = 0;
orig_out_length = 0;
}
EditorPlugin::AfterGUIInput Path3DEditorPlugin::forward_spatial_gui_input(Camera3D *p_camera, const Ref<InputEvent> &p_event) {
if (!path) {
return EditorPlugin::AFTER_GUI_INPUT_PASS;
}
Ref<Curve3D> c = path->get_curve();
if (c.is_null()) {
return EditorPlugin::AFTER_GUI_INPUT_PASS;
}
Transform3D gt = path->get_global_transform();
Transform3D it = gt.affine_inverse();
static const int click_dist = 10; //should make global
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid()) {
Point2 mbpos(mb->get_position().x, mb->get_position().y);
if (!mb->is_pressed()) {
set_handle_clicked(false);
}
if (mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT && (curve_create->is_pressed() || (curve_edit->is_pressed() && mb->is_ctrl_pressed()))) {
//click into curve, break it down
Vector<Vector3> v3a = c->tessellate();
int rc = v3a.size();
int closest_seg = -1;
Vector3 closest_seg_point;
if (rc >= 2) {
int idx = 0;
const Vector3 *r = v3a.ptr();
float closest_d = 1e20;
if (p_camera->unproject_position(gt.xform(c->get_point_position(0))).distance_to(mbpos) < click_dist) {
return EditorPlugin::AFTER_GUI_INPUT_PASS; //nope, existing
}
for (int i = 0; i < c->get_point_count() - 1; i++) {
//find the offset and point index of the place to break up
int j = idx;
if (p_camera->unproject_position(gt.xform(c->get_point_position(i + 1))).distance_to(mbpos) < click_dist) {
return EditorPlugin::AFTER_GUI_INPUT_PASS; //nope, existing
}
while (j < rc && c->get_point_position(i + 1) != r[j]) {
Vector3 from = r[j];
Vector3 to = r[j + 1];
real_t cdist = from.distance_to(to);
from = gt.xform(from);
to = gt.xform(to);
if (cdist > 0) {
Vector2 s[2];
s[0] = p_camera->unproject_position(from);
s[1] = p_camera->unproject_position(to);
Vector2 inters = Geometry2D::get_closest_point_to_segment(mbpos, s);
float d = inters.distance_to(mbpos);
if (d < 10 && d < closest_d) {
closest_d = d;
closest_seg = i;
Vector3 ray_from = p_camera->project_ray_origin(mbpos);
Vector3 ray_dir = p_camera->project_ray_normal(mbpos);
Vector3 ra, rb;
Geometry3D::get_closest_points_between_segments(ray_from, ray_from + ray_dir * 4096, from, to, ra, rb);
closest_seg_point = it.xform(rb);
}
}
j++;
}
if (idx == j) {
idx++; //force next
} else {
idx = j; //swap
}
if (j == rc) {
break;
}
}
}
Ref<EditorUndoRedoManager> &ur = EditorNode::get_undo_redo();
if (closest_seg != -1) {
//subdivide
ur->create_action(TTR("Split Path"));
ur->add_do_method(c.ptr(), "add_point", closest_seg_point, Vector3(), Vector3(), closest_seg + 1);
ur->add_undo_method(c.ptr(), "remove_point", closest_seg + 1);
ur->commit_action();
return EditorPlugin::AFTER_GUI_INPUT_STOP;
} else {
Vector3 origin;
if (c->get_point_count() == 0) {
origin = path->get_transform().get_origin();
} else {
origin = gt.xform(c->get_point_position(c->get_point_count() - 1));
}
Plane p(p_camera->get_transform().basis.get_column(2), origin);
Vector3 ray_from = p_camera->project_ray_origin(mbpos);
Vector3 ray_dir = p_camera->project_ray_normal(mbpos);
Vector3 inters;
if (p.intersects_ray(ray_from, ray_dir, &inters)) {
ur->create_action(TTR("Add Point to Curve"));
ur->add_do_method(c.ptr(), "add_point", it.xform(inters), Vector3(), Vector3(), -1);
ur->add_undo_method(c.ptr(), "remove_point", c->get_point_count());
ur->commit_action();
return EditorPlugin::AFTER_GUI_INPUT_STOP;
}
//add new at pos
}
} else if (mb->is_pressed() && ((mb->get_button_index() == MouseButton::LEFT && curve_del->is_pressed()) || (mb->get_button_index() == MouseButton::RIGHT && curve_edit->is_pressed()))) {
for (int i = 0; i < c->get_point_count(); i++) {
real_t dist_to_p = p_camera->unproject_position(gt.xform(c->get_point_position(i))).distance_to(mbpos);
real_t dist_to_p_out = p_camera->unproject_position(gt.xform(c->get_point_position(i) + c->get_point_out(i))).distance_to(mbpos);
real_t dist_to_p_in = p_camera->unproject_position(gt.xform(c->get_point_position(i) + c->get_point_in(i))).distance_to(mbpos);
// Find the offset and point index of the place to break up.
// Also check for the control points.
if (dist_to_p < click_dist) {
Ref<EditorUndoRedoManager> &ur = EditorNode::get_undo_redo();
ur->create_action(TTR("Remove Path Point"));
ur->add_do_method(c.ptr(), "remove_point", i);
ur->add_undo_method(c.ptr(), "add_point", c->get_point_position(i), c->get_point_in(i), c->get_point_out(i), i);
ur->commit_action();
return EditorPlugin::AFTER_GUI_INPUT_STOP;
} else if (dist_to_p_out < click_dist) {
Ref<EditorUndoRedoManager> &ur = EditorNode::get_undo_redo();
ur->create_action(TTR("Remove Out-Control Point"));
ur->add_do_method(c.ptr(), "set_point_out", i, Vector3());
ur->add_undo_method(c.ptr(), "set_point_out", i, c->get_point_out(i));
ur->commit_action();
return EditorPlugin::AFTER_GUI_INPUT_STOP;
} else if (dist_to_p_in < click_dist) {
Ref<EditorUndoRedoManager> &ur = EditorNode::get_undo_redo();
ur->create_action(TTR("Remove In-Control Point"));
ur->add_do_method(c.ptr(), "set_point_in", i, Vector3());
ur->add_undo_method(c.ptr(), "set_point_in", i, c->get_point_in(i));
ur->commit_action();
return EditorPlugin::AFTER_GUI_INPUT_STOP;
}
}
}
}
return EditorPlugin::AFTER_GUI_INPUT_PASS;
}
void Path3DEditorPlugin::edit(Object *p_object) {
if (p_object) {
path = Object::cast_to<Path3D>(p_object);
if (path) {
if (path->get_curve().is_valid()) {
path->get_curve()->emit_signal(SNAME("changed"));
}
}
} else {
Path3D *pre = path;
path = nullptr;
if (pre) {
pre->get_curve()->emit_signal(SNAME("changed"));
}
}
//collision_polygon_editor->edit(Object::cast_to<Node>(p_object));
}
bool Path3DEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("Path3D");
}
void Path3DEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
curve_create->show();
curve_edit->show();
curve_del->show();
curve_close->show();
handle_menu->show();
sep->show();
} else {
curve_create->hide();
curve_edit->hide();
curve_del->hide();
curve_close->hide();
handle_menu->hide();
sep->hide();
{
Path3D *pre = path;
path = nullptr;
if (pre && pre->get_curve().is_valid()) {
pre->get_curve()->emit_signal(SNAME("changed"));
}
}
}
}
void Path3DEditorPlugin::_mode_changed(int p_idx) {
curve_create->set_pressed(p_idx == 0);
curve_edit->set_pressed(p_idx == 1);
curve_del->set_pressed(p_idx == 2);
}
void Path3DEditorPlugin::_close_curve() {
Ref<Curve3D> c = path->get_curve();
if (c.is_null()) {
return;
}
if (c->get_point_count() < 2) {
return;
}
if (c->get_point_position(0) == c->get_point_position(c->get_point_count() - 1)) {
return;
}
Ref<EditorUndoRedoManager> &ur = EditorNode::get_undo_redo();
ur->create_action(TTR("Close Curve"));
ur->add_do_method(c.ptr(), "add_point", c->get_point_position(0), c->get_point_in(0), c->get_point_out(0), -1);
ur->add_undo_method(c.ptr(), "remove_point", c->get_point_count());
ur->commit_action();
}
void Path3DEditorPlugin::_handle_option_pressed(int p_option) {
PopupMenu *pm;
pm = handle_menu->get_popup();
switch (p_option) {
case HANDLE_OPTION_ANGLE: {
bool is_checked = pm->is_item_checked(HANDLE_OPTION_ANGLE);
mirror_handle_angle = !is_checked;
pm->set_item_checked(HANDLE_OPTION_ANGLE, mirror_handle_angle);
pm->set_item_disabled(HANDLE_OPTION_LENGTH, !mirror_handle_angle);
} break;
case HANDLE_OPTION_LENGTH: {
bool is_checked = pm->is_item_checked(HANDLE_OPTION_LENGTH);
mirror_handle_length = !is_checked;
pm->set_item_checked(HANDLE_OPTION_LENGTH, mirror_handle_length);
} break;
}
}
void Path3DEditorPlugin::_update_theme() {
// TODO: Split the EditorPlugin instance from the UI instance and connect this properly.
// See the 2D path editor for inspiration.
curve_edit->set_icon(Node3DEditor::get_singleton()->get_theme_icon(SNAME("CurveEdit"), SNAME("EditorIcons")));
curve_create->set_icon(Node3DEditor::get_singleton()->get_theme_icon(SNAME("CurveCreate"), SNAME("EditorIcons")));
curve_del->set_icon(Node3DEditor::get_singleton()->get_theme_icon(SNAME("CurveDelete"), SNAME("EditorIcons")));
curve_close->set_icon(Node3DEditor::get_singleton()->get_theme_icon(SNAME("CurveClose"), SNAME("EditorIcons")));
}
void Path3DEditorPlugin::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
curve_create->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_mode_changed).bind(0));
curve_edit->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_mode_changed).bind(1));
curve_del->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_mode_changed).bind(2));
curve_close->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_close_curve));
_update_theme();
} break;
case NOTIFICATION_READY: {
Node3DEditor::get_singleton()->connect("theme_changed", callable_mp(this, &Path3DEditorPlugin::_update_theme));
} break;
}
}
void Path3DEditorPlugin::_bind_methods() {
}
Path3DEditorPlugin *Path3DEditorPlugin::singleton = nullptr;
Path3DEditorPlugin::Path3DEditorPlugin() {
path = nullptr;
singleton = this;
mirror_handle_angle = true;
mirror_handle_length = true;
Ref<Path3DGizmoPlugin> gizmo_plugin;
gizmo_plugin.instantiate();
Node3DEditor::get_singleton()->add_gizmo_plugin(gizmo_plugin);
sep = memnew(VSeparator);
sep->hide();
Node3DEditor::get_singleton()->add_control_to_menu_panel(sep);
curve_edit = memnew(Button);
curve_edit->set_flat(true);
curve_edit->set_toggle_mode(true);
curve_edit->hide();
curve_edit->set_focus_mode(Control::FOCUS_NONE);
curve_edit->set_tooltip_text(TTR("Select Points") + "\n" + TTR("Shift+Drag: Select Control Points") + "\n" + keycode_get_string((Key)KeyModifierMask::CMD) + TTR("Click: Add Point") + "\n" + TTR("Right Click: Delete Point"));
Node3DEditor::get_singleton()->add_control_to_menu_panel(curve_edit);
curve_create = memnew(Button);
curve_create->set_flat(true);
curve_create->set_toggle_mode(true);
curve_create->hide();
curve_create->set_focus_mode(Control::FOCUS_NONE);
curve_create->set_tooltip_text(TTR("Add Point (in empty space)") + "\n" + TTR("Split Segment (in curve)"));
Node3DEditor::get_singleton()->add_control_to_menu_panel(curve_create);
curve_del = memnew(Button);
curve_del->set_flat(true);
curve_del->set_toggle_mode(true);
curve_del->hide();
curve_del->set_focus_mode(Control::FOCUS_NONE);
curve_del->set_tooltip_text(TTR("Delete Point"));
Node3DEditor::get_singleton()->add_control_to_menu_panel(curve_del);
curve_close = memnew(Button);
curve_close->set_flat(true);
curve_close->hide();
curve_close->set_focus_mode(Control::FOCUS_NONE);
curve_close->set_tooltip_text(TTR("Close Curve"));
Node3DEditor::get_singleton()->add_control_to_menu_panel(curve_close);
PopupMenu *menu;
handle_menu = memnew(MenuButton);
handle_menu->set_text(TTR("Options"));
handle_menu->hide();
Node3DEditor::get_singleton()->add_control_to_menu_panel(handle_menu);
menu = handle_menu->get_popup();
menu->add_check_item(TTR("Mirror Handle Angles"));
menu->set_item_checked(HANDLE_OPTION_ANGLE, mirror_handle_angle);
menu->add_check_item(TTR("Mirror Handle Lengths"));
menu->set_item_checked(HANDLE_OPTION_LENGTH, mirror_handle_length);
menu->connect("id_pressed", callable_mp(this, &Path3DEditorPlugin::_handle_option_pressed));
curve_edit->set_pressed(true);
}
Path3DEditorPlugin::~Path3DEditorPlugin() {
}
Ref<EditorNode3DGizmo> Path3DGizmoPlugin::create_gizmo(Node3D *p_spatial) {
Ref<Path3DGizmo> ref;
Path3D *path = Object::cast_to<Path3D>(p_spatial);
if (path) {
ref = Ref<Path3DGizmo>(memnew(Path3DGizmo(path)));
}
return ref;
}
String Path3DGizmoPlugin::get_gizmo_name() const {
return "Path3D";
}
int Path3DGizmoPlugin::get_priority() const {
return -1;
}
Path3DGizmoPlugin::Path3DGizmoPlugin() {
Color path_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/path", Color(0.5, 0.5, 1.0, 0.8));
create_material("path_material", path_color);
create_material("path_thin_material", Color(0.5, 0.5, 0.5));
create_handle_material("handles", false, Node3DEditor::get_singleton()->get_theme_icon(SNAME("EditorPathSmoothHandle"), SNAME("EditorIcons")));
create_handle_material("sec_handles", false, Node3DEditor::get_singleton()->get_theme_icon(SNAME("EditorCurveHandle"), SNAME("EditorIcons")));
}
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