Merge pull request #37340 from reduz/rename-3d-nodes

Make 2D and 3D node names more explicit

1 files changed, 653 insertions, 0 deletions

diff --git a/editor/plugins/path_3d_editor_plugin.cpp b/editor/plugins/path_3d_editor_plugin.cpp
new file mode 100644
index 0000000000..f3729a3e89
--- /dev/null
+++ b/editor/plugins/path_3d_editor_plugin.cpp
@@ -0,0 +1,653 @@
+/*************************************************************************/
+/*  path_3d_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 "path_3d_editor_plugin.h"
+
+#include "core/os/keyboard.h"
+#include "node_3d_editor_plugin.h"
+#include "scene/resources/curve.h"
+
+String PathNode3DGizmo::get_handle_name(int p_idx) const {
+
+	Ref<Curve3D> c = path->get_curve();
+	if (c.is_null())
+		return "";
+
+	if (p_idx < c->get_point_count()) {
+
+		return TTR("Curve Point #") + itos(p_idx);
+	}
+
+	p_idx = p_idx - c->get_point_count() + 1;
+
+	int idx = p_idx / 2;
+	int t = p_idx % 2;
+	String n = TTR("Curve Point #") + itos(idx);
+	if (t == 0)
+		n += " In";
+	else
+		n += " Out";
+
+	return n;
+}
+Variant PathNode3DGizmo::get_handle_value(int p_idx) {
+
+	Ref<Curve3D> c = path->get_curve();
+	if (c.is_null())
+		return Variant();
+
+	if (p_idx < c->get_point_count()) {
+
+		original = c->get_point_position(p_idx);
+		return original;
+	}
+
+	p_idx = p_idx - c->get_point_count() + 1;
+
+	int idx = p_idx / 2;
+	int t = p_idx % 2;
+
+	Vector3 ofs;
+	if (t == 0)
+		ofs = c->get_point_in(idx);
+	else
+		ofs = c->get_point_out(idx);
+
+	original = ofs + c->get_point_position(idx);
+
+	return ofs;
+}
+void PathNode3DGizmo::set_handle(int p_idx, Camera3D *p_camera, const Point2 &p_point) {
+
+	Ref<Curve3D> c = path->get_curve();
+	if (c.is_null())
+		return;
+
+	Transform gt = path->get_global_transform();
+	Transform 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_idx < c->get_point_count()) {
+
+		Plane p(gt.xform(original), p_camera->get_transform().basis.get_axis(2));
+
+		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_idx, local);
+		}
+
+		return;
+	}
+
+	p_idx = p_idx - c->get_point_count() + 1;
+
+	int idx = p_idx / 2;
+	int t = p_idx % 2;
+
+	Vector3 base = c->get_point_position(idx);
+
+	Plane p(gt.xform(original), p_camera->get_transform().basis.get_axis(2));
+
+	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 (t == 0) {
+			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 PathNode3DGizmo::commit_handle(int p_idx, const Variant &p_restore, bool p_cancel) {
+
+	Ref<Curve3D> c = path->get_curve();
+	if (c.is_null())
+		return;
+
+	UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
+
+	if (p_idx < c->get_point_count()) {
+
+		if (p_cancel) {
+
+			c->set_point_position(p_idx, p_restore);
+			return;
+		}
+		ur->create_action(TTR("Set Curve Point Position"));
+		ur->add_do_method(c.ptr(), "set_point_position", p_idx, c->get_point_position(p_idx));
+		ur->add_undo_method(c.ptr(), "set_point_position", p_idx, p_restore);
+		ur->commit_action();
+
+		return;
+	}
+
+	p_idx = p_idx - c->get_point_count() + 1;
+
+	int idx = p_idx / 2;
+	int t = p_idx % 2;
+
+	if (t == 0) {
+		if (p_cancel) {
+			c->set_point_in(p_idx, 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 PathNode3DGizmo::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<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);
+			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 (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 (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, handles_material, false, true);
+		}
+	}
+}
+
+PathNode3DGizmo::PathNode3DGizmo(Path3D *p_path) {
+
+	path = p_path;
+	set_spatial_node(p_path);
+}
+
+bool Path3DEditorPlugin::forward_spatial_gui_input(Camera3D *p_camera, const Ref<InputEvent> &p_event) {
+
+	if (!path)
+		return false;
+	Ref<Curve3D> c = path->get_curve();
+	if (c.is_null())
+		return false;
+	Transform gt = path->get_global_transform();
+	Transform 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() == BUTTON_LEFT && (curve_create->is_pressed() || (curve_edit->is_pressed() && mb->get_control()))) {
+			//click into curve, break it down
+			Vector<Vector3> v3a = c->tessellate();
+			int idx = 0;
+			int rc = v3a.size();
+			int closest_seg = -1;
+			Vector3 closest_seg_point;
+			float closest_d = 1e20;
+
+			if (rc >= 2) {
+				const Vector3 *r = v3a.ptr();
+
+				if (p_camera->unproject_position(gt.xform(c->get_point_position(0))).distance_to(mbpos) < click_dist)
+					return false; //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 false; //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 = Geometry::get_closest_point_to_segment_2d(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;
+								Geometry::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;
+				}
+			}
+
+			UndoRedo *ur = editor->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 true;
+
+			} else {
+
+				Vector3 org;
+				if (c->get_point_count() == 0)
+					org = path->get_transform().get_origin();
+				else
+					org = gt.xform(c->get_point_position(c->get_point_count() - 1));
+				Plane p(org, p_camera->get_transform().basis.get_axis(2));
+				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 true;
+				}
+
+				//add new at pos
+			}
+
+		} else if (mb->is_pressed() && ((mb->get_button_index() == BUTTON_LEFT && curve_del->is_pressed()) || (mb->get_button_index() == BUTTON_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) {
+
+					UndoRedo *ur = editor->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 true;
+				} else if (dist_to_p_out < click_dist) {
+
+					UndoRedo *ur = editor->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 true;
+				} else if (dist_to_p_in < click_dist) {
+
+					UndoRedo *ur = editor->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 true;
+				}
+			}
+		}
+	}
+
+	return false;
+}
+
+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("changed");
+			}
+		}
+	} else {
+		Path3D *pre = path;
+		path = NULL;
+		if (pre) {
+			pre->get_curve()->emit_signal("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 = NULL;
+			if (pre && pre->get_curve().is_valid()) {
+				pre->get_curve()->emit_signal("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;
+	c->add_point(c->get_point_position(0), c->get_point_in(0), c->get_point_out(0));
+}
+
+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::_notification(int p_what) {
+
+	if (p_what == NOTIFICATION_ENTER_TREE) {
+
+		curve_create->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_mode_changed), make_binds(0));
+		curve_edit->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_mode_changed), make_binds(1));
+		curve_del->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_mode_changed), make_binds(2));
+		curve_close->connect("pressed", callable_mp(this, &Path3DEditorPlugin::_close_curve));
+	}
+}
+
+void Path3DEditorPlugin::_bind_methods() {
+}
+
+Path3DEditorPlugin *Path3DEditorPlugin::singleton = NULL;
+
+Path3DEditorPlugin::Path3DEditorPlugin(EditorNode *p_node) {
+
+	path = NULL;
+	editor = p_node;
+	singleton = this;
+	mirror_handle_angle = true;
+	mirror_handle_length = true;
+
+	Ref<PathNode3DGizmoPlugin> gizmo_plugin;
+	gizmo_plugin.instance();
+	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(ToolButton);
+	curve_edit->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("CurveEdit", "EditorIcons"));
+	curve_edit->set_toggle_mode(true);
+	curve_edit->hide();
+	curve_edit->set_focus_mode(Control::FOCUS_NONE);
+	curve_edit->set_tooltip(TTR("Select Points") + "\n" + TTR("Shift+Drag: Select Control Points") + "\n" + keycode_get_string(KEY_MASK_CMD) + TTR("Click: Add Point") + "\n" + TTR("Right Click: Delete Point"));
+	Node3DEditor::get_singleton()->add_control_to_menu_panel(curve_edit);
+	curve_create = memnew(ToolButton);
+	curve_create->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("CurveCreate", "EditorIcons"));
+	curve_create->set_toggle_mode(true);
+	curve_create->hide();
+	curve_create->set_focus_mode(Control::FOCUS_NONE);
+	curve_create->set_tooltip(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(ToolButton);
+	curve_del->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("CurveDelete", "EditorIcons"));
+	curve_del->set_toggle_mode(true);
+	curve_del->hide();
+	curve_del->set_focus_mode(Control::FOCUS_NONE);
+	curve_del->set_tooltip(TTR("Delete Point"));
+	Node3DEditor::get_singleton()->add_control_to_menu_panel(curve_del);
+	curve_close = memnew(ToolButton);
+	curve_close->set_icon(EditorNode::get_singleton()->get_gui_base()->get_theme_icon("CurveClose", "EditorIcons"));
+	curve_close->hide();
+	curve_close->set_focus_mode(Control::FOCUS_NONE);
+	curve_close->set_tooltip(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);
+	/*
+    collision_polygon_editor = memnew( PathEditor(p_node) );
+    editor->get_viewport()->add_child(collision_polygon_editor);
+    collision_polygon_editor->set_margin(MARGIN_LEFT,200);
+    collision_polygon_editor->set_margin(MARGIN_RIGHT,230);
+    collision_polygon_editor->set_margin(MARGIN_TOP,0);
+    collision_polygon_editor->set_margin(MARGIN_BOTTOM,10);
+    collision_polygon_editor->hide();
+    */
+}
+
+Path3DEditorPlugin::~Path3DEditorPlugin() {
+}
+
+Ref<EditorNode3DGizmo> PathNode3DGizmoPlugin::create_gizmo(Node3D *p_spatial) {
+	Ref<PathNode3DGizmo> ref;
+
+	Path3D *path = Object::cast_to<Path3D>(p_spatial);
+	if (path) ref = Ref<PathNode3DGizmo>(memnew(PathNode3DGizmo(path)));
+
+	return ref;
+}
+
+String PathNode3DGizmoPlugin::get_name() const {
+	return "Path";
+}
+
+int PathNode3DGizmoPlugin::get_priority() const {
+	return -1;
+}
+
+PathNode3DGizmoPlugin::PathNode3DGizmoPlugin() {
+
+	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");
+}