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undo_move_action.hpp
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1 /*
2  Copyright (C) 2017 the Battle for Wesnoth Project http://www.wesnoth.org/
3 
4  This program is free software; you can redistribute it and/or modify
5  it under the terms of the GNU General Public License as published by
6  the Free Software Foundation; either version 2 of the License, or
7  (at your option) any later version.
8  This program is distributed in the hope that it will be useful,
9  but WITHOUT ANY WARRANTY.
10 
11  See the COPYING file for more details.
12 */
13 
14 #pragma once
15 
16 #include "undo_action.hpp"
18 #include "units/ptr.hpp"
19 #include "units/unit.hpp"
20 
21 namespace actions
22 {
23 namespace undo
24 {
25 
27 {
31 
32 
34  const std::vector<map_location>::const_iterator & begin,
35  const std::vector<map_location>::const_iterator & end,
36  int sm, int timebonus, int orig, const map_location::DIRECTION dir)
37  : undo_action()
38  , shroud_clearing_action(moved, begin, end, orig, timebonus != 0)
39  , starting_moves(sm)
40  , starting_dir(dir == map_location::NDIRECTIONS ? moved->facing() : dir)
41  , goto_hex(moved->get_goto())
42  {
43  }
44  move_action(const config & cfg, const config & unit_cfg,
45  int sm, const map_location::DIRECTION dir)
46  : undo_action(cfg)
48  , starting_moves(sm)
49  , starting_dir(dir)
50  , goto_hex(unit_cfg["goto_x"].to_int(-999),
51  unit_cfg["goto_y"].to_int(-999), wml_loc())
52  {
53  }
54  virtual const char* get_type() const { return "move"; }
55  virtual ~move_action() {}
56 
57  /// Writes this into the provided config.
58  virtual void write(config & cfg) const;
59 
60  /// Undoes this action.
61  virtual bool undo(int side);
62 };
63 
64 }
65 }
boost::intrusive_ptr< const unit > unit_const_ptr
Definition: ptr.hpp:30
base class for classes that clear srhoud (move/recruit/recall)
move_action(const unit_const_ptr moved, const std::vector< map_location >::const_iterator &begin, const std::vector< map_location >::const_iterator &end, int sm, int timebonus, int orig, const map_location::DIRECTION dir)
move_action(const config &cfg, const config &unit_cfg, int sm, const map_location::DIRECTION dir)
map_location::DIRECTION starting_dir
virtual bool undo(int side)
Undoes this action.
virtual const char * get_type() const
virtual void write(config &cfg) const
Writes this into the provided config.
Encapsulates the map of the game.
Definition: location.hpp:40
DIRECTION
Valid directions which can be moved in our hexagonal world.
Definition: location.hpp:42
A config object defines a single node in a WML file, with access to child nodes.
Definition: config.hpp:93
actions that are undoable (this does not include update_shroud and auto_shroud)
Definition: undo_action.hpp:60