diff options
Diffstat (limited to 'src/signs.h')
-rw-r--r-- | src/signs.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/signs.h b/src/signs.h new file mode 100644 index 000000000..9c9fd2982 --- /dev/null +++ b/src/signs.h @@ -0,0 +1,68 @@ +/* $Id$ */ + +#ifndef SIGNS_H +#define SIGNS_H + +#include "oldpool.h" + +typedef struct Sign { + StringID str; + ViewportSign sign; + int32 x; + int32 y; + byte z; + PlayerID owner; // placed by this player. Anyone can delete them though. OWNER_NONE for gray signs from old games. + + SignID index; +} Sign; + +DECLARE_OLD_POOL(Sign, Sign, 2, 16000) + +static inline SignID GetMaxSignIndex(void) +{ + /* TODO - This isn't the real content of the function, but + * with the new pool-system this will be replaced with one that + * _really_ returns the highest index. Now it just returns + * the next safe value we are sure about everything is below. + */ + return GetSignPoolSize() - 1; +} + +static inline uint GetNumSigns(void) +{ + return GetSignPoolSize(); +} + +/** + * Check if a Sign really exists. + */ +static inline bool IsValidSign(const Sign *si) +{ + return si->str != STR_NULL; +} + +static inline bool IsValidSignID(uint index) +{ + return index < GetSignPoolSize() && IsValidSign(GetSign(index)); +} + +void DestroySign(Sign *si); + +static inline void DeleteSign(Sign *si) +{ + DestroySign(si); + si->str = STR_NULL; +} + +#define FOR_ALL_SIGNS_FROM(ss, start) for (ss = GetSign(start); ss != NULL; ss = (ss->index + 1U < GetSignPoolSize()) ? GetSign(ss->index + 1U) : NULL) if (IsValidSign(ss)) +#define FOR_ALL_SIGNS(ss) FOR_ALL_SIGNS_FROM(ss, 0) + +VARDEF bool _sign_sort_dirty; + +void UpdateAllSignVirtCoords(void); +void PlaceProc_Sign(TileIndex tile); + +/* misc.c */ +void ShowRenameSignWindow(const Sign *si); + +#endif /* SIGNS_H */ |