mirror of https://github.com/OpenTTD/OpenTTD.git
101 lines
4.1 KiB
C
101 lines
4.1 KiB
C
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file autoreplace_func.h Functions related to autoreplacing. */
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#ifndef AUTOREPLACE_FUNC_H
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#define AUTOREPLACE_FUNC_H
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#include "command_type.h"
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#include "company_base.h"
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void RemoveAllEngineReplacement(EngineRenewList *erl);
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EngineID EngineReplacement(EngineRenewList erl, EngineID engine, GroupID group, bool *replace_when_old = nullptr);
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CommandCost AddEngineReplacement(EngineRenewList *erl, EngineID old_engine, EngineID new_engine, GroupID group, bool replace_when_old, DoCommandFlag flags);
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CommandCost RemoveEngineReplacement(EngineRenewList *erl, EngineID engine, GroupID group, DoCommandFlag flags);
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/**
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* Remove all engine replacement settings for the given company.
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* @param c the company.
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*/
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inline void RemoveAllEngineReplacementForCompany(Company *c)
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{
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RemoveAllEngineReplacement(&c->engine_renew_list);
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}
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/**
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* Retrieve the engine replacement for the given company and original engine type.
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* @param c company.
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* @param engine Engine type.
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* @param group The group related to this replacement.
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* @param[out] replace_when_old Set to true if the replacement should be done when old.
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* @return The engine type to replace with, or INVALID_ENGINE if no
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* replacement is in the list.
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*/
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inline EngineID EngineReplacementForCompany(const Company *c, EngineID engine, GroupID group, bool *replace_when_old = nullptr)
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{
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return EngineReplacement(c->engine_renew_list, engine, group, replace_when_old);
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}
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/**
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* Check if a company has a replacement set up for the given engine.
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* @param c Company.
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* @param engine Engine type to be replaced.
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* @param group The group related to this replacement.
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* @return true if a replacement was set up, false otherwise.
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*/
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inline bool EngineHasReplacementForCompany(const Company *c, EngineID engine, GroupID group)
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{
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return EngineReplacementForCompany(c, engine, group) != INVALID_ENGINE;
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}
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/**
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* Check if a company has a replacement set up for the given engine when it gets old.
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* @param c Company.
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* @param engine Engine type to be replaced.
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* @param group The group related to this replacement.
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* @return True if a replacement when old was set up, false otherwise.
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*/
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inline bool EngineHasReplacementWhenOldForCompany(const Company *c, EngineID engine, GroupID group)
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{
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bool replace_when_old;
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EngineReplacement(c->engine_renew_list, engine, group, &replace_when_old);
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return replace_when_old;
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}
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/**
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* Add an engine replacement for the company.
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* @param c Company.
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* @param old_engine The original engine type.
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* @param new_engine The replacement engine type.
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* @param group The group related to this replacement.
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* @param replace_when_old Replace when old or always?
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* @param flags The calling command flags.
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* @return 0 on success, CMD_ERROR on failure.
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*/
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inline CommandCost AddEngineReplacementForCompany(Company *c, EngineID old_engine, EngineID new_engine, GroupID group, bool replace_when_old, DoCommandFlag flags)
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{
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return AddEngineReplacement(&c->engine_renew_list, old_engine, new_engine, group, replace_when_old, flags);
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}
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/**
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* Remove an engine replacement for the company.
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* @param c Company.
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* @param engine The original engine type.
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* @param group The group related to this replacement.
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* @param flags The calling command flags.
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* @return 0 on success, CMD_ERROR on failure.
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*/
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inline CommandCost RemoveEngineReplacementForCompany(Company *c, EngineID engine, GroupID group, DoCommandFlag flags)
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{
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return RemoveEngineReplacement(&c->engine_renew_list, engine, group, flags);
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}
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bool CheckAutoreplaceValidity(EngineID from, EngineID to, CompanyID company);
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#endif /* AUTOREPLACE_FUNC_H */
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