diff options
author | rubidium <rubidium@openttd.org> | 2008-01-07 09:19:53 +0000 |
---|---|---|
committer | rubidium <rubidium@openttd.org> | 2008-01-07 09:19:53 +0000 |
commit | e2f7ec1d3e8b546f5faa3ed6d7fd28363629daf3 (patch) | |
tree | 1bde0819bd2092a7d4c9fda75d5f70aaaa075f35 /src/autoreplace_base.h | |
parent | 444e77d8bcb6738f14ce37e2afafd96d5ce43f1f (diff) | |
download | openttd-e2f7ec1d3e8b546f5faa3ed6d7fd28363629daf3.tar.xz |
(svn r11775) -Codechange: move all autoreplace/autorenew functions to a single location.
Diffstat (limited to 'src/autoreplace_base.h')
-rw-r--r-- | src/autoreplace_base.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/autoreplace_base.h b/src/autoreplace_base.h new file mode 100644 index 000000000..065cc5661 --- /dev/null +++ b/src/autoreplace_base.h @@ -0,0 +1,38 @@ +/* $Id$ */ + +/** @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 */ |