1 /*
2    Copyright (C) 2014 - 2018 by Chris Beck <render787@gmail.com>
3    Part of the Battle for Wesnoth Project https://www.wesnoth.org/
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2 of the License, or
8    (at your option) any later version.
9    This program is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY.
11 
12    See the COPYING file for more details.
13 */
14 
15 // The purpose of this header is to forward declare the unit_ptr, if it
16 // is an intrusive pointer then this requires some boilerplate taken
17 // care of here.
18 
19 #pragma once
20 
21 #include <boost/intrusive_ptr.hpp>
22 #include <memory>
23 
24 class unit;
25 
26 void intrusive_ptr_add_ref(const unit *);
27 void intrusive_ptr_release(const unit *);
28 
29 typedef boost::intrusive_ptr<unit> unit_ptr;
30 typedef boost::intrusive_ptr<const unit> unit_const_ptr;
31 
32 // And attacks too!
33 
34 class attack_type;
35 
36 using attack_ptr = std::shared_ptr<attack_type>;
37 using const_attack_ptr = std::shared_ptr<const attack_type>;
38