tron@2186: /* $Id$ */
tron@2186: 
belugas@6916: /** @file signs.h */
belugas@6916: 
truelight@988: #ifndef SIGNS_H
truelight@988: #define SIGNS_H
truelight@988: 
matthijs@5216: #include "oldpool.h"
truelight@1283: 
rubidium@7880: struct Sign;
rubidium@7880: DECLARE_OLD_POOL(Sign, Sign, 2, 16000)
rubidium@7880: 
rubidium@7880: struct Sign : PoolItem<Sign, SignID, &_Sign_pool> {
peter1138@8754: 	char *name;
truelight@988: 	ViewportSign sign;
truelight@988: 	int32        x;
truelight@988: 	int32        y;
truelight@988: 	byte         z;
rubidium@5838: 	PlayerByte   owner; // placed by this player. Anyone can delete them though. OWNER_NONE for gray signs from old games.
truelight@988: 
rubidium@7880: 	/**
rubidium@7880: 	 * Creates a new sign
rubidium@7880: 	 */
peter1138@8754: 	Sign(PlayerID owner = INVALID_PLAYER);
rubidium@7880: 
rubidium@7880: 	/** Destroy the sign */
rubidium@7880: 	~Sign();
rubidium@7880: 
peter1138@8754: 	inline bool IsValid() const { return this->owner != INVALID_PLAYER; }
rubidium@6574: };
truelight@988: 
rubidium@7791: enum {
rubidium@7791: 	INVALID_SIGN = 0xFFFF,
rubidium@7791: };
rubidium@7791: 
rubidium@7791: extern SignID _new_sign_id;
rubidium@7791: 
truelight@1283: 
rubidium@6573: static inline SignID GetMaxSignIndex()
truelight@4354: {
truelight@4354: 	/* TODO - This isn't the real content of the function, but
truelight@4354: 	 *  with the new pool-system this will be replaced with one that
matthijs@5247: 	 *  _really_ returns the highest index. Now it just returns
truelight@4354: 	 *  the next safe value we are sure about everything is below.
truelight@4354: 	 */
matthijs@5247: 	return GetSignPoolSize() - 1;
matthijs@5247: }
matthijs@5247: 
rubidium@6573: static inline uint GetNumSigns()
matthijs@5247: {
rubidium@7791: 	extern uint _total_signs;
rubidium@7791: 	return _total_signs;
truelight@4354: }
truelight@4354: 
truelight@4352: static inline bool IsValidSignID(uint index)
truelight@4352: {
rubidium@7880: 	return index < GetSignPoolSize() && GetSign(index)->IsValid();
truelight@4352: }
truelight@4352: 
rubidium@7880: #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())
truelight@1283: #define FOR_ALL_SIGNS(ss) FOR_ALL_SIGNS_FROM(ss, 0)
truelight@988: 
rubidium@8764: extern bool _sign_sort_dirty;
truelight@1575: 
rubidium@6573: void UpdateAllSignVirtCoords();
tron@1977: void PlaceProc_Sign(TileIndex tile);
truelight@988: 
peter1138@7623: /* signs_gui.cpp */
truelight@4349: void ShowRenameSignWindow(const Sign *si);
truelight@988: 
rubidium@6573: void ShowSignList();
maedhros@6002: 
truelight@988: #endif /* SIGNS_H */