/* $Id$ */ /** @file autoreplace_base.h Base class for autoreplaces/autorenews. */ #ifndef AUTOREPLACE_BASE_H #define AUTOREPLACE_BASE_H #include "oldpool.h" #include "autoreplace_type.h" /** * 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. */ DECLARE_OLD_POOL(EngineRenew, EngineRenew, 3, 8000) /** * 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 : PoolItem<EngineRenew, EngineRenewID, &_EngineRenew_pool> { EngineID from; EngineID to; EngineRenew *next; GroupID group_id; EngineRenew(EngineID from = INVALID_ENGINE, EngineID to = INVALID_ENGINE) : from(from), to(to), next(NULL) {} ~EngineRenew() { this->from = INVALID_ENGINE; } inline bool IsValid() const { return this->from != INVALID_ENGINE; } }; #define FOR_ALL_ENGINE_RENEWS_FROM(er, start) for (er = GetEngineRenew(start); er != NULL; er = (er->index + 1U < GetEngineRenewPoolSize()) ? GetEngineRenew(er->index + 1U) : NULL) if (er->IsValid()) #define FOR_ALL_ENGINE_RENEWS(er) FOR_ALL_ENGINE_RENEWS_FROM(er, 0) #endif /* AUTOREPLACE_BASE_H */