initial commit, 4.5 stable

modules/navigation_2d/editor/navigation_link_2d_editor_plugin.cpp

@@ -0,0 +1,198 @@
+/**************************************************************************/
+/*  navigation_link_2d_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 "navigation_link_2d_editor_plugin.h"
+
+#include "editor/editor_node.h"
+#include "editor/editor_undo_redo_manager.h"
+#include "editor/scene/canvas_item_editor_plugin.h"
+#include "editor/settings/editor_settings.h"
+#include "scene/main/viewport.h"
+
+void NavigationLink2DEditor::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE: {
+			get_tree()->connect("node_removed", callable_mp(this, &NavigationLink2DEditor::_node_removed));
+		} break;
+
+		case NOTIFICATION_EXIT_TREE: {
+			get_tree()->disconnect("node_removed", callable_mp(this, &NavigationLink2DEditor::_node_removed));
+		} break;
+	}
+}
+
+void NavigationLink2DEditor::_node_removed(Node *p_node) {
+	if (p_node == node) {
+		node = nullptr;
+	}
+}
+
+bool NavigationLink2DEditor::forward_canvas_gui_input(const Ref<InputEvent> &p_event) {
+	if (!node || !node->is_visible_in_tree()) {
+		return false;
+	}
+
+	Viewport *vp = node->get_viewport();
+	if (vp && !vp->is_visible_subviewport()) {
+		return false;
+	}
+
+	real_t grab_threshold = EDITOR_GET("editors/polygon_editor/point_grab_radius");
+	Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_screen_transform();
+
+	Ref<InputEventMouseButton> mb = p_event;
+	if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT) {
+		if (mb->is_pressed()) {
+			// Start position
+			if (xform.xform(node->get_start_position()).distance_to(mb->get_position()) < grab_threshold) {
+				start_grabbed = true;
+				original_start_position = node->get_start_position();
+
+				return true;
+			} else {
+				start_grabbed = false;
+			}
+
+			// End position
+			if (xform.xform(node->get_end_position()).distance_to(mb->get_position()) < grab_threshold) {
+				end_grabbed = true;
+				original_end_position = node->get_end_position();
+
+				return true;
+			} else {
+				end_grabbed = false;
+			}
+		} else {
+			EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+			if (start_grabbed) {
+				undo_redo->create_action(TTR("Set start_position"));
+				undo_redo->add_do_method(node, "set_start_position", node->get_start_position());
+				undo_redo->add_do_method(canvas_item_editor, "update_viewport");
+				undo_redo->add_undo_method(node, "set_start_position", original_start_position);
+				undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
+				undo_redo->commit_action();
+
+				start_grabbed = false;
+
+				return true;
+			}
+
+			if (end_grabbed) {
+				undo_redo->create_action(TTR("Set end_position"));
+				undo_redo->add_do_method(node, "set_end_position", node->get_end_position());
+				undo_redo->add_do_method(canvas_item_editor, "update_viewport");
+				undo_redo->add_undo_method(node, "set_end_position", original_end_position);
+				undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
+				undo_redo->commit_action();
+
+				end_grabbed = false;
+
+				return true;
+			}
+		}
+	}
+
+	Ref<InputEventMouseMotion> mm = p_event;
+	if (mm.is_valid()) {
+		Vector2 point = canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mm->get_position()));
+		point = node->get_screen_transform().affine_inverse().xform(point);
+
+		if (start_grabbed) {
+			node->set_start_position(point);
+			canvas_item_editor->update_viewport();
+
+			return true;
+		}
+
+		if (end_grabbed) {
+			node->set_end_position(point);
+			canvas_item_editor->update_viewport();
+
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void NavigationLink2DEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
+	if (!node || !node->is_visible_in_tree()) {
+		return;
+	}
+
+	Viewport *vp = node->get_viewport();
+	if (vp && !vp->is_visible_subviewport()) {
+		return;
+	}
+
+	Transform2D gt = canvas_item_editor->get_canvas_transform() * node->get_screen_transform();
+	Vector2 global_start_position = gt.xform(node->get_start_position());
+	Vector2 global_end_position = gt.xform(node->get_end_position());
+
+	// Only drawing the handles here, since the debug rendering will fill in the rest.
+	const Ref<Texture2D> handle = get_editor_theme_icon(SNAME("EditorHandle"));
+	p_overlay->draw_texture(handle, global_start_position - handle->get_size() / 2);
+	p_overlay->draw_texture(handle, global_end_position - handle->get_size() / 2);
+}
+
+void NavigationLink2DEditor::edit(NavigationLink2D *p_node) {
+	if (!canvas_item_editor) {
+		canvas_item_editor = CanvasItemEditor::get_singleton();
+	}
+
+	if (p_node) {
+		node = p_node;
+	} else {
+		node = nullptr;
+	}
+
+	canvas_item_editor->update_viewport();
+}
+
+///////////////////////
+
+void NavigationLink2DEditorPlugin::edit(Object *p_object) {
+	editor->edit(Object::cast_to<NavigationLink2D>(p_object));
+}
+
+bool NavigationLink2DEditorPlugin::handles(Object *p_object) const {
+	return Object::cast_to<NavigationLink2D>(p_object) != nullptr;
+}
+
+void NavigationLink2DEditorPlugin::make_visible(bool p_visible) {
+	if (!p_visible) {
+		edit(nullptr);
+	}
+}
+
+NavigationLink2DEditorPlugin::NavigationLink2DEditorPlugin() {
+	editor = memnew(NavigationLink2DEditor);
+	EditorNode::get_singleton()->get_gui_base()->add_child(editor);
+}

modules/navigation_2d/editor/navigation_link_2d_editor_plugin.h

@@ -0,0 +1,76 @@
+/**************************************************************************/
+/*  navigation_link_2d_editor_plugin.h                                    */
+/**************************************************************************/
+/*                         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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "editor/plugins/editor_plugin.h"
+#include "scene/2d/navigation/navigation_link_2d.h"
+
+class CanvasItemEditor;
+
+class NavigationLink2DEditor : public Control {
+	GDCLASS(NavigationLink2DEditor, Control);
+
+	CanvasItemEditor *canvas_item_editor = nullptr;
+	NavigationLink2D *node = nullptr;
+
+	bool start_grabbed = false;
+	Vector2 original_start_position;
+
+	bool end_grabbed = false;
+	Vector2 original_end_position;
+
+protected:
+	void _notification(int p_what);
+	void _node_removed(Node *p_node);
+
+public:
+	bool forward_canvas_gui_input(const Ref<InputEvent> &p_event);
+	void forward_canvas_draw_over_viewport(Control *p_overlay);
+	void edit(NavigationLink2D *p_node);
+};
+
+class NavigationLink2DEditorPlugin : public EditorPlugin {
+	GDCLASS(NavigationLink2DEditorPlugin, EditorPlugin);
+
+	NavigationLink2DEditor *editor = nullptr;
+
+public:
+	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return editor->forward_canvas_gui_input(p_event); }
+	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { editor->forward_canvas_draw_over_viewport(p_overlay); }
+
+	virtual String get_plugin_name() const override { return "NavigationLink2D"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
+
+	NavigationLink2DEditorPlugin();
+};

modules/navigation_2d/editor/navigation_obstacle_2d_editor_plugin.cpp

@@ -0,0 +1,71 @@
+/**************************************************************************/
+/*  navigation_obstacle_2d_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 "navigation_obstacle_2d_editor_plugin.h"
+
+#include "editor/editor_undo_redo_manager.h"
+
+Node2D *NavigationObstacle2DEditor::_get_node() const {
+	return node;
+}
+
+void NavigationObstacle2DEditor::_set_node(Node *p_polygon) {
+	node = Object::cast_to<NavigationObstacle2D>(p_polygon);
+}
+
+Variant NavigationObstacle2DEditor::_get_polygon(int p_idx) const {
+	return node->get_vertices();
+}
+
+void NavigationObstacle2DEditor::_set_polygon(int p_idx, const Variant &p_polygon) const {
+	node->set_vertices(p_polygon);
+}
+
+void NavigationObstacle2DEditor::_action_add_polygon(const Variant &p_polygon) {
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->add_do_method(node, "set_vertices", p_polygon);
+	undo_redo->add_undo_method(node, "set_vertices", node->get_vertices());
+}
+
+void NavigationObstacle2DEditor::_action_remove_polygon(int p_idx) {
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->add_do_method(node, "set_vertices", Variant(Vector<Vector2>()));
+	undo_redo->add_undo_method(node, "set_vertices", node->get_vertices());
+}
+
+void NavigationObstacle2DEditor::_action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) {
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->add_do_method(node, "set_vertices", p_polygon);
+	undo_redo->add_undo_method(node, "set_vertices", node->get_vertices());
+}
+
+NavigationObstacle2DEditorPlugin::NavigationObstacle2DEditorPlugin() :
+		AbstractPolygon2DEditorPlugin(memnew(NavigationObstacle2DEditor), "NavigationObstacle2D") {
+}

modules/navigation_2d/editor/navigation_obstacle_2d_editor_plugin.h

@@ -0,0 +1,58 @@
+/**************************************************************************/
+/*  navigation_obstacle_2d_editor_plugin.h                                */
+/**************************************************************************/
+/*                         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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "editor/scene/2d/abstract_polygon_2d_editor.h"
+#include "scene/2d/navigation/navigation_obstacle_2d.h"
+
+class NavigationObstacle2DEditor : public AbstractPolygon2DEditor {
+	GDCLASS(NavigationObstacle2DEditor, AbstractPolygon2DEditor);
+
+	NavigationObstacle2D *node = nullptr;
+
+protected:
+	virtual Node2D *_get_node() const override;
+	virtual void _set_node(Node *p_polygon) override;
+
+	virtual Variant _get_polygon(int p_idx) const override;
+	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const override;
+
+	virtual void _action_add_polygon(const Variant &p_polygon) override;
+	virtual void _action_remove_polygon(int p_idx) override;
+	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) override;
+};
+
+class NavigationObstacle2DEditorPlugin : public AbstractPolygon2DEditorPlugin {
+	GDCLASS(NavigationObstacle2DEditorPlugin, AbstractPolygon2DEditorPlugin);
+
+public:
+	NavigationObstacle2DEditorPlugin();
+};

modules/navigation_2d/editor/navigation_region_2d_editor_plugin.cpp

@@ -0,0 +1,261 @@
+/**************************************************************************/
+/*  navigation_region_2d_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 "navigation_region_2d_editor_plugin.h"
+
+#include "editor/editor_node.h"
+#include "editor/editor_undo_redo_manager.h"
+#include "editor/settings/editor_settings.h"
+#include "scene/2d/navigation/navigation_region_2d.h"
+#include "scene/gui/dialogs.h"
+
+Ref<NavigationPolygon> NavigationRegion2DEditor::_ensure_navpoly() const {
+	Ref<NavigationPolygon> navpoly = node->get_navigation_polygon();
+	if (navpoly.is_null()) {
+		navpoly.instantiate();
+		node->set_navigation_polygon(navpoly);
+	}
+	return navpoly;
+}
+
+Node2D *NavigationRegion2DEditor::_get_node() const {
+	return node;
+}
+
+void NavigationRegion2DEditor::_set_node(Node *p_polygon) {
+	node = Object::cast_to<NavigationRegion2D>(p_polygon);
+	if (node) {
+		Ref<NavigationPolygon> navpoly = node->get_navigation_polygon();
+		if (navpoly.is_valid() && navpoly->get_outline_count() > 0 && navpoly->get_polygon_count() == 0) {
+			// We have outlines drawn / added by the user but no polygons were created for this navmesh yet so let's bake once immediately.
+			_rebake_timer_timeout();
+		}
+	}
+}
+
+int NavigationRegion2DEditor::_get_polygon_count() const {
+	Ref<NavigationPolygon> navpoly = node->get_navigation_polygon();
+	if (navpoly.is_valid()) {
+		return navpoly->get_outline_count();
+	} else {
+		return 0;
+	}
+}
+
+Variant NavigationRegion2DEditor::_get_polygon(int p_idx) const {
+	Ref<NavigationPolygon> navpoly = node->get_navigation_polygon();
+	if (navpoly.is_valid()) {
+		return navpoly->get_outline(p_idx);
+	} else {
+		return Variant(Vector<Vector2>());
+	}
+}
+
+void NavigationRegion2DEditor::_set_polygon(int p_idx, const Variant &p_polygon) const {
+	Ref<NavigationPolygon> navpoly = _ensure_navpoly();
+	navpoly->set_outline(p_idx, p_polygon);
+
+	if (rebake_timer && _rebake_timer_delay >= 0.0) {
+		rebake_timer->start();
+	}
+}
+
+void NavigationRegion2DEditor::_action_add_polygon(const Variant &p_polygon) {
+	Ref<NavigationPolygon> navpoly = _ensure_navpoly();
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->add_do_method(navpoly.ptr(), "add_outline", p_polygon);
+	undo_redo->add_undo_method(navpoly.ptr(), "remove_outline", navpoly->get_outline_count());
+
+	if (rebake_timer && _rebake_timer_delay >= 0.0) {
+		rebake_timer->start();
+	}
+}
+
+void NavigationRegion2DEditor::_action_remove_polygon(int p_idx) {
+	Ref<NavigationPolygon> navpoly = _ensure_navpoly();
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->add_do_method(navpoly.ptr(), "remove_outline", p_idx);
+	undo_redo->add_undo_method(navpoly.ptr(), "add_outline_at_index", navpoly->get_outline(p_idx), p_idx);
+
+	if (rebake_timer && _rebake_timer_delay >= 0.0) {
+		rebake_timer->start();
+	}
+}
+
+void NavigationRegion2DEditor::_action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) {
+	Ref<NavigationPolygon> navpoly = _ensure_navpoly();
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->add_do_method(navpoly.ptr(), "set_outline", p_idx, p_polygon);
+	undo_redo->add_undo_method(navpoly.ptr(), "set_outline", p_idx, p_previous);
+
+	if (rebake_timer && _rebake_timer_delay >= 0.0) {
+		rebake_timer->start();
+	}
+}
+
+bool NavigationRegion2DEditor::_has_resource() const {
+	return node && node->get_navigation_polygon().is_valid();
+}
+
+void NavigationRegion2DEditor::_create_resource() {
+	if (!node) {
+		return;
+	}
+
+	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
+	undo_redo->create_action(TTR("Create Navigation Polygon"));
+	undo_redo->add_do_method(node, "set_navigation_polygon", Ref<NavigationPolygon>(memnew(NavigationPolygon)));
+	undo_redo->add_undo_method(node, "set_navigation_polygon", Variant(Ref<RefCounted>()));
+	undo_redo->commit_action();
+
+	_menu_option(MODE_CREATE);
+}
+
+NavigationRegion2DEditor::NavigationRegion2DEditor() {
+	bake_hbox = memnew(HBoxContainer);
+	add_child(bake_hbox);
+
+	button_bake = memnew(Button);
+	button_bake->set_flat(true);
+	bake_hbox->add_child(button_bake);
+	button_bake->set_toggle_mode(true);
+	button_bake->set_text(TTR("Bake NavigationPolygon"));
+	button_bake->set_tooltip_text(TTR("Bakes the NavigationPolygon by first parsing the scene for source geometry and then creating the navigation polygon vertices and polygons."));
+	button_bake->connect(SceneStringName(pressed), callable_mp(this, &NavigationRegion2DEditor::_bake_pressed));
+
+	button_reset = memnew(Button);
+	button_reset->set_flat(true);
+	bake_hbox->add_child(button_reset);
+	button_reset->set_text(TTR("Clear NavigationPolygon"));
+	button_reset->set_tooltip_text(TTR("Clears the internal NavigationPolygon outlines, vertices and polygons."));
+	button_reset->connect(SceneStringName(pressed), callable_mp(this, &NavigationRegion2DEditor::_clear_pressed));
+
+	bake_info = memnew(Label);
+	bake_info->set_focus_mode(FOCUS_ACCESSIBILITY);
+	bake_hbox->add_child(bake_info);
+
+	rebake_timer = memnew(Timer);
+	add_child(rebake_timer);
+	rebake_timer->set_one_shot(true);
+	_rebake_timer_delay = EDITOR_GET("editors/polygon_editor/auto_bake_delay");
+	if (_rebake_timer_delay >= 0.0) {
+		rebake_timer->set_wait_time(_rebake_timer_delay);
+	}
+	rebake_timer->connect("timeout", callable_mp(this, &NavigationRegion2DEditor::_rebake_timer_timeout));
+
+	err_dialog = memnew(AcceptDialog);
+	add_child(err_dialog);
+	node = nullptr;
+}
+
+void NavigationRegion2DEditor::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE: {
+			button_bake->set_button_icon(get_editor_theme_icon(SNAME("Bake")));
+			button_reset->set_button_icon(get_editor_theme_icon(SNAME("Reload")));
+		} break;
+		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
+			if (rebake_timer) {
+				_rebake_timer_delay = EDITOR_GET("editors/polygon_editor/auto_bake_delay");
+				if (_rebake_timer_delay >= 0.0) {
+					rebake_timer->set_wait_time(_rebake_timer_delay);
+				}
+			}
+		} break;
+	}
+}
+
+void NavigationRegion2DEditor::_bake_pressed() {
+	if (rebake_timer) {
+		rebake_timer->stop();
+	}
+	button_bake->set_pressed(false);
+
+	ERR_FAIL_NULL(node);
+	Ref<NavigationPolygon> navigation_polygon = node->get_navigation_polygon();
+	if (navigation_polygon.is_null()) {
+		err_dialog->set_text(TTR("A NavigationPolygon resource must be set or created for this node to work."));
+		err_dialog->popup_centered();
+		return;
+	}
+
+	node->bake_navigation_polygon(true);
+
+	node->queue_redraw();
+}
+
+void NavigationRegion2DEditor::_clear_pressed() {
+	if (rebake_timer) {
+		rebake_timer->stop();
+	}
+	if (node) {
+		if (node->get_navigation_polygon().is_valid()) {
+			node->get_navigation_polygon()->clear();
+			// Needed to update all the region internals.
+			node->set_navigation_polygon(node->get_navigation_polygon());
+		}
+	}
+
+	button_bake->set_pressed(false);
+	bake_info->set_text("");
+
+	if (node) {
+		node->queue_redraw();
+	}
+}
+
+void NavigationRegion2DEditor::_update_polygon_editing_state() {
+	if (!_get_node()) {
+		return;
+	}
+
+	if (node != nullptr && node->get_navigation_polygon().is_valid()) {
+		bake_hbox->show();
+	} else {
+		bake_hbox->hide();
+	}
+}
+
+void NavigationRegion2DEditor::_rebake_timer_timeout() {
+	if (!node) {
+		return;
+	}
+	Ref<NavigationPolygon> navigation_polygon = node->get_navigation_polygon();
+	if (navigation_polygon.is_null()) {
+		return;
+	}
+
+	node->bake_navigation_polygon(true);
+	node->queue_redraw();
+}
+
+NavigationRegion2DEditorPlugin::NavigationRegion2DEditorPlugin() :
+		AbstractPolygon2DEditorPlugin(memnew(NavigationRegion2DEditor), "NavigationRegion2D") {
+}

modules/navigation_2d/editor/navigation_region_2d_editor_plugin.h

@@ -0,0 +1,94 @@
+/**************************************************************************/
+/*  navigation_region_2d_editor_plugin.h                                  */
+/**************************************************************************/
+/*                         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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "editor/plugins/editor_plugin.h"
+#include "editor/scene/2d/abstract_polygon_2d_editor.h"
+
+class AcceptDialog;
+class HBoxContainer;
+class NavigationPolygon;
+class NavigationRegion2D;
+
+class NavigationRegion2DEditor : public AbstractPolygon2DEditor {
+	friend class NavigationRegion2DEditorPlugin;
+
+	GDCLASS(NavigationRegion2DEditor, AbstractPolygon2DEditor);
+
+	NavigationRegion2D *node = nullptr;
+
+	Ref<NavigationPolygon> _ensure_navpoly() const;
+
+	AcceptDialog *err_dialog = nullptr;
+
+	HBoxContainer *bake_hbox = nullptr;
+	Button *button_bake = nullptr;
+	Button *button_reset = nullptr;
+	Label *bake_info = nullptr;
+
+	Timer *rebake_timer = nullptr;
+	float _rebake_timer_delay = 1.5;
+	void _rebake_timer_timeout();
+
+	void _bake_pressed();
+	void _clear_pressed();
+
+	void _update_polygon_editing_state();
+
+protected:
+	void _notification(int p_what);
+
+	virtual Node2D *_get_node() const override;
+	virtual void _set_node(Node *p_polygon) override;
+
+	virtual int _get_polygon_count() const override;
+	virtual Variant _get_polygon(int p_idx) const override;
+	virtual void _set_polygon(int p_idx, const Variant &p_polygon) const override;
+
+	virtual void _action_add_polygon(const Variant &p_polygon) override;
+	virtual void _action_remove_polygon(int p_idx) override;
+	virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) override;
+
+	virtual bool _has_resource() const override;
+	virtual void _create_resource() override;
+
+public:
+	NavigationRegion2DEditor();
+};
+
+class NavigationRegion2DEditorPlugin : public AbstractPolygon2DEditorPlugin {
+	GDCLASS(NavigationRegion2DEditorPlugin, AbstractPolygon2DEditorPlugin);
+
+	NavigationRegion2DEditor *navigation_polygon_editor = nullptr;
+
+public:
+	NavigationRegion2DEditorPlugin();
+};