/* $Id$ */ /** @file signs.h */ #ifndef SIGNS_H #define SIGNS_H #include "oldpool.h" struct Sign; DECLARE_OLD_POOL(Sign, Sign, 2, 16000) struct Sign : PoolItem<Sign, SignID, &_Sign_pool> { char *name; ViewportSign sign; int32 x; int32 y; byte z; PlayerByte owner; // placed by this player. Anyone can delete them though. OWNER_NONE for gray signs from old games. /** * Creates a new sign */ Sign(PlayerID owner = INVALID_PLAYER); /** Destroy the sign */ ~Sign(); inline bool IsValid() const { return this->owner != INVALID_PLAYER; } }; enum { INVALID_SIGN = 0xFFFF, }; extern SignID _new_sign_id; static inline SignID GetMaxSignIndex() { /* 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() { extern uint _total_signs; return _total_signs; } static inline bool IsValidSignID(uint index) { return index < GetSignPoolSize() && GetSign(index)->IsValid(); } #define FOR_ALL_SIGNS_FROM(ss, start) for (ss = GetSign(start); ss != NULL; ss = (ss->index + 1U < GetSignPoolSize()) ? GetSign(ss->index + 1U) : NULL) if (ss->IsValid()) #define FOR_ALL_SIGNS(ss) FOR_ALL_SIGNS_FROM(ss, 0) extern bool _sign_sort_dirty; void UpdateAllSignVirtCoords(); void PlaceProc_Sign(TileIndex tile); /* signs_gui.cpp */ void ShowRenameSignWindow(const Sign *si); void ShowSignList(); #endif /* SIGNS_H */