OpenTTD-patches/src/autoreplace_func.h

106 lines
3.5 KiB
C

/* $Id$ */
/** @file autoreplace_func.h Functions related to autoreplacing. */
#ifndef AUTOREPLACE_FUNC_H
#define AUTOREPLACE_FUNC_H
#include "autoreplace_type.h"
#include "player_base.h"
/**
* Remove all engine replacement settings for the player.
* @param erl The renewlist for a given player.
* @return The new renewlist for the player.
*/
void RemoveAllEngineReplacement(EngineRenewList *erl);
/**
* Retrieve the engine replacement in a given renewlist for an original engine type.
* @param erl The renewlist to search in.
* @param engine Engine type to be replaced.
* @return The engine type to replace with, or INVALID_ENGINE if no
* replacement is in the list.
*/
EngineID EngineReplacement(EngineRenewList erl, EngineID engine, GroupID group);
/**
* Add an engine replacement to the given renewlist.
* @param erl The renewlist to add to.
* @param old_engine The original engine type.
* @param new_engine The replacement engine type.
* @param flags The calling command flags.
* @return 0 on success, CMD_ERROR on failure.
*/
CommandCost AddEngineReplacement(EngineRenewList *erl, EngineID old_engine, EngineID new_engine, GroupID group, uint32 flags);
/**
* Remove an engine replacement from a given renewlist.
* @param erl The renewlist from which to remove the replacement
* @param engine The original engine type.
* @param flags The calling command flags.
* @return 0 on success, CMD_ERROR on failure.
*/
CommandCost RemoveEngineReplacement(EngineRenewList *erl, EngineID engine, GroupID group, uint32 flags);
/**
* Remove all engine replacement settings for the given player.
* @param p Player.
*/
static inline void RemoveAllEngineReplacementForPlayer(Player *p)
{
RemoveAllEngineReplacement(&p->engine_renew_list);
}
/**
* Retrieve the engine replacement for the given player and original engine type.
* @param p Player.
* @param engine Engine type.
* @return The engine type to replace with, or INVALID_ENGINE if no
* replacement is in the list.
*/
static inline EngineID EngineReplacementForPlayer(const Player *p, EngineID engine, GroupID group)
{
return EngineReplacement(p->engine_renew_list, engine, group);
}
/**
* Check if a player has a replacement set up for the given engine.
* @param p Player.
* @param engine Engine type to be replaced.
* @return true if a replacement was set up, false otherwise.
*/
static inline bool EngineHasReplacementForPlayer(const Player *p, EngineID engine, GroupID group)
{
return EngineReplacementForPlayer(p, engine, group) != INVALID_ENGINE;
}
/**
* Add an engine replacement for the player.
* @param p Player.
* @param old_engine The original engine type.
* @param new_engine The replacement engine type.
* @param flags The calling command flags.
* @return 0 on success, CMD_ERROR on failure.
*/
static inline CommandCost AddEngineReplacementForPlayer(Player *p, EngineID old_engine, EngineID new_engine, GroupID group, uint32 flags)
{
return AddEngineReplacement(&p->engine_renew_list, old_engine, new_engine, group, flags);
}
/**
* Remove an engine replacement for the player.
* @param p Player.
* @param engine The original engine type.
* @param flags The calling command flags.
* @return 0 on success, CMD_ERROR on failure.
*/
static inline CommandCost RemoveEngineReplacementForPlayer(Player *p, EngineID engine, GroupID group, uint32 flags)
{
return RemoveEngineReplacement(&p->engine_renew_list, engine, group, flags);
}
bool CheckAutoreplaceValidity(EngineID from, EngineID to, PlayerID player);
#endif /* AUTOREPLACE_FUNC_H */