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/* $Id$ */
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file autoreplace_base.h Base class for autoreplaces/autorenews. */
#ifndef AUTOREPLACE_BASE_H
#define AUTOREPLACE_BASE_H
#include "core/pool_type.hpp"
#include "autoreplace_type.h"
#include "engine_type.h"
#include "group_type.h"
typedef uint16 EngineRenewID;
/**
* Memory pool for engine renew elements. DO NOT USE outside of engine.c. Is
* placed here so the only exception to this rule, the saveload code, can use
* it.
*/
typedef Pool<EngineRenew, EngineRenewID, 16, 64000> EngineRenewPool;
extern EngineRenewPool _enginerenew_pool;
/**
* Struct to store engine replacements. DO NOT USE outside of engine.c. Is
* placed here so the only exception to this rule, the saveload code, can use
* it.
*/
struct EngineRenew : EngineRenewPool::PoolItem<&_enginerenew_pool> {
EngineID from;
EngineID to;
EngineRenew *next;
GroupID group_id;
EngineRenew(EngineID from = INVALID_ENGINE, EngineID to = INVALID_ENGINE) : from(from), to(to) {}
~EngineRenew() {}
};
#define FOR_ALL_ENGINE_RENEWS_FROM(var, start) FOR_ALL_ITEMS_FROM(EngineRenew, enginerenew_index, var, start)
#define FOR_ALL_ENGINE_RENEWS(var) FOR_ALL_ENGINE_RENEWS_FROM(var, 0)
#endif /* AUTOREPLACE_BASE_H */
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