rubidium@8212: /* $Id$ */
rubidium@8212: 
rubidium@8212: /** @file autoreplace_func.h Functions related to autoreplacing. */
rubidium@8212: 
rubidium@8212: #ifndef AUTOREPLACE_FUNC_H
rubidium@8212: #define AUTOREPLACE_FUNC_H
rubidium@8212: 
rubidium@8212: #include "autoreplace_type.h"
rubidium@10208: #include "company_base.h"
rubidium@8212: 
rubidium@8212: /**
rubidium@10207:  * Remove all engine replacement settings for the company.
rubidium@10207:  * @param  erl The renewlist for a given company.
rubidium@10207:  * @return The new renewlist for the company.
rubidium@8212:  */
rubidium@8212: void RemoveAllEngineReplacement(EngineRenewList *erl);
rubidium@8212: 
rubidium@8212: /**
rubidium@8212:  * Retrieve the engine replacement in a given renewlist for an original engine type.
rubidium@8212:  * @param  erl The renewlist to search in.
rubidium@8212:  * @param  engine Engine type to be replaced.
rubidium@8212:  * @return The engine type to replace with, or INVALID_ENGINE if no
rubidium@8212:  * replacement is in the list.
rubidium@8212:  */
rubidium@8212: EngineID EngineReplacement(EngineRenewList erl, EngineID engine, GroupID group);
rubidium@8212: 
rubidium@8212: /**
rubidium@8212:  * Add an engine replacement to the given renewlist.
rubidium@8212:  * @param erl The renewlist to add to.
rubidium@8212:  * @param old_engine The original engine type.
rubidium@8212:  * @param new_engine The replacement engine type.
rubidium@8212:  * @param flags The calling command flags.
rubidium@8212:  * @return 0 on success, CMD_ERROR on failure.
rubidium@8212:  */
rubidium@8212: CommandCost AddEngineReplacement(EngineRenewList *erl, EngineID old_engine, EngineID new_engine, GroupID group, uint32 flags);
rubidium@8212: 
rubidium@8212: /**
rubidium@8212:  * Remove an engine replacement from a given renewlist.
rubidium@8212:  * @param erl The renewlist from which to remove the replacement
rubidium@8212:  * @param engine The original engine type.
rubidium@8212:  * @param flags The calling command flags.
rubidium@8212:  * @return 0 on success, CMD_ERROR on failure.
rubidium@8212:  */
rubidium@8212: CommandCost RemoveEngineReplacement(EngineRenewList *erl, EngineID engine, GroupID group, uint32 flags);
rubidium@8212: 
rubidium@8212: /**
rubidium@10207:  * Remove all engine replacement settings for the given company.
rubidium@10207:  * @param c the company.
rubidium@8212:  */
rubidium@10207: static inline void RemoveAllEngineReplacementForCompany(Company *c)
rubidium@8212: {
rubidium@10207: 	RemoveAllEngineReplacement(&c->engine_renew_list);
rubidium@8212: }
rubidium@8212: 
rubidium@8212: /**
rubidium@10207:  * Retrieve the engine replacement for the given company and original engine type.
rubidium@10207:  * @param c company.
rubidium@8212:  * @param engine Engine type.
rubidium@8212:  * @return The engine type to replace with, or INVALID_ENGINE if no
rubidium@8212:  * replacement is in the list.
rubidium@8212:  */
rubidium@10207: static inline EngineID EngineReplacementForCompany(const Company *c, EngineID engine, GroupID group)
rubidium@8212: {
rubidium@10207: 	return EngineReplacement(c->engine_renew_list, engine, group);
rubidium@8212: }
rubidium@8212: 
rubidium@8212: /**
rubidium@10207:  * Check if a company has a replacement set up for the given engine.
rubidium@10207:  * @param c Company.
rubidium@8212:  * @param  engine Engine type to be replaced.
rubidium@8212:  * @return true if a replacement was set up, false otherwise.
rubidium@8212:  */
rubidium@10207: static inline bool EngineHasReplacementForCompany(const Company *c, EngineID engine, GroupID group)
rubidium@8212: {
rubidium@10207: 	return EngineReplacementForCompany(c, engine, group) != INVALID_ENGINE;
rubidium@8212: }
rubidium@8212: 
rubidium@8212: /**
rubidium@10207:  * Add an engine replacement for the company.
rubidium@10207:  * @param c Company.
rubidium@8212:  * @param old_engine The original engine type.
rubidium@8212:  * @param new_engine The replacement engine type.
rubidium@8212:  * @param flags The calling command flags.
rubidium@8212:  * @return 0 on success, CMD_ERROR on failure.
rubidium@8212:  */
rubidium@10207: static inline CommandCost AddEngineReplacementForCompany(Company *c, EngineID old_engine, EngineID new_engine, GroupID group, uint32 flags)
rubidium@8212: {
rubidium@10207: 	return AddEngineReplacement(&c->engine_renew_list, old_engine, new_engine, group, flags);
rubidium@8212: }
rubidium@8212: 
rubidium@8212: /**
rubidium@10207:  * Remove an engine replacement for the company.
rubidium@10207:  * @param c Company.
rubidium@8212:  * @param engine The original engine type.
rubidium@8212:  * @param flags The calling command flags.
rubidium@8212:  * @return 0 on success, CMD_ERROR on failure.
rubidium@8212:  */
rubidium@10207: static inline CommandCost RemoveEngineReplacementForCompany(Company *c, EngineID engine, GroupID group, uint32 flags)
rubidium@8212: {
rubidium@10207: 	return RemoveEngineReplacement(&c->engine_renew_list, engine, group, flags);
rubidium@8212: }
rubidium@8212: 
rubidium@10207: bool CheckAutoreplaceValidity(EngineID from, EngineID to, CompanyID company);
frosch@9889: 
rubidium@8212: #endif /* AUTOREPLACE_FUNC_H */