1 /*
2  * This file is part of OpenTTD.
3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6  */
7 
8 /** @file autoreplace_base.h Base class for autoreplaces/autorenews. */
9 
10 #ifndef AUTOREPLACE_BASE_H
11 #define AUTOREPLACE_BASE_H
12 
13 #include "core/pool_type.hpp"
14 #include "autoreplace_type.h"
15 #include "engine_type.h"
16 #include "group_type.h"
17 
18 typedef uint16 EngineRenewID;
19 
20 /**
21  * Memory pool for engine renew elements. DO NOT USE outside of engine.c. Is
22  * placed here so the only exception to this rule, the saveload code, can use
23  * it.
24  */
25 typedef Pool<EngineRenew, EngineRenewID, 16, 64000> EngineRenewPool;
26 extern EngineRenewPool _enginerenew_pool;
27 
28 /**
29  * Struct to store engine replacements. DO NOT USE outside of engine.c. Is
30  * placed here so the only exception to this rule, the saveload code, can use
31  * it.
32  */
33 struct EngineRenew : EngineRenewPool::PoolItem<&_enginerenew_pool> {
34 	EngineID from;
35 	EngineID to;
36 	EngineRenew *next;
37 	GroupID group_id;
38 	bool replace_when_old; ///< Do replacement only when vehicle is old.
39 
fromEngineRenew40 	EngineRenew(EngineID from = INVALID_ENGINE, EngineID to = INVALID_ENGINE) : from(from), to(to) {}
~EngineRenewEngineRenew41 	~EngineRenew() {}
42 };
43 
44 #endif /* AUTOREPLACE_BASE_H */
45