godot/editor/plugins/navigation_polygon_editor_plugin.cpp

/**************************************************************************/
/*  navigation_polygon_editor_plugin.cpp                                  */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/* 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    */
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/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
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/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
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/* 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. */
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/**************************************************************************/

#include "navigation_polygon_editor_plugin.h"

#include "editor/editor_node.h"
#include "editor/editor_undo_redo_manager.h"

Ref<NavigationPolygon> NavigationPolygonEditor::_ensure_navpoly() const {
	Ref<NavigationPolygon> navpoly = node->get_navigation_polygon();
	if (!navpoly.is_valid()) {
		navpoly = Ref<NavigationPolygon>(memnew(NavigationPolygon));
		node->set_navigation_polygon(navpoly);
	}
	return navpoly;
}

Node2D *NavigationPolygonEditor::_get_node() const {
	return node;
}

void NavigationPolygonEditor::_set_node(Node *p_polygon) {
	node = Object::cast_to<NavigationRegion2D>(p_polygon);
}

int NavigationPolygonEditor::_get_polygon_count() const {
	Ref<NavigationPolygon> navpoly = node->get_navigation_polygon();
	if (navpoly.is_valid()) {
		return navpoly->get_outline_count();
	} else {
		return 0;
	}
}

Variant NavigationPolygonEditor::_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 NavigationPolygonEditor::_set_polygon(int p_idx, const Variant &p_polygon) const {
	Ref<NavigationPolygon> navpoly = _ensure_navpoly();
	navpoly->set_outline(p_idx, p_polygon);
	navpoly->make_polygons_from_outlines();
}

void NavigationPolygonEditor::_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());
	undo_redo->add_do_method(navpoly.ptr(), "make_polygons_from_outlines");
	undo_redo->add_undo_method(navpoly.ptr(), "make_polygons_from_outlines");
}

void NavigationPolygonEditor::_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);
	undo_redo->add_do_method(navpoly.ptr(), "make_polygons_from_outlines");
	undo_redo->add_undo_method(navpoly.ptr(), "make_polygons_from_outlines");
}

void NavigationPolygonEditor::_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);
	undo_redo->add_do_method(navpoly.ptr(), "make_polygons_from_outlines");
	undo_redo->add_undo_method(navpoly.ptr(), "make_polygons_from_outlines");
}

bool NavigationPolygonEditor::_has_resource() const {
	return node && node->get_navigation_polygon().is_valid();
}

void NavigationPolygonEditor::_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);
}

NavigationPolygonEditor::NavigationPolygonEditor() {}

NavigationPolygonEditorPlugin::NavigationPolygonEditorPlugin() :
		AbstractPolygon2DEditorPlugin(memnew(NavigationPolygonEditor), "NavigationRegion2D") {
}