rubidium@9837: /* $Id$ */
rubidium@9837: 
rubidium@9837: /** @file signs_base.h Base class for signs. */
rubidium@9837: 
rubidium@9837: #ifndef SIGNS_BASE_H
rubidium@9837: #define SIGNS_BASE_H
rubidium@9837: 
rubidium@9837: #include "signs_type.h"
rubidium@10455: #include "viewport_type.h"
rubidium@9837: #include "oldpool.h"
rubidium@9837: 
rubidium@9837: DECLARE_OLD_POOL(Sign, Sign, 2, 16000)
rubidium@9837: 
rubidium@9837: struct Sign : PoolItem<Sign, SignID, &_Sign_pool> {
rubidium@9837: 	char *name;
rubidium@9837: 	ViewportSign sign;
rubidium@9837: 	int32        x;
rubidium@9837: 	int32        y;
rubidium@9837: 	byte         z;
rubidium@9837: 	PlayerByte   owner; // placed by this player. Anyone can delete them though. OWNER_NONE for gray signs from old games.
rubidium@9837: 
rubidium@9837: 	/**
rubidium@9837: 	 * Creates a new sign
rubidium@9837: 	 */
rubidium@9837: 	Sign(PlayerID owner = INVALID_PLAYER);
rubidium@9837: 
rubidium@9837: 	/** Destroy the sign */
rubidium@9837: 	~Sign();
rubidium@9837: 
rubidium@9837: 	inline bool IsValid() const { return this->owner != INVALID_PLAYER; }
rubidium@9837: };
rubidium@9837: 
rubidium@9837: static inline SignID GetMaxSignIndex()
rubidium@9837: {
rubidium@9837: 	/* TODO - This isn't the real content of the function, but
rubidium@9837: 	 *  with the new pool-system this will be replaced with one that
rubidium@9837: 	 *  _really_ returns the highest index. Now it just returns
rubidium@9837: 	 *  the next safe value we are sure about everything is below.
rubidium@9837: 	 */
rubidium@9837: 	return GetSignPoolSize() - 1;
rubidium@9837: }
rubidium@9837: 
rubidium@9837: static inline bool IsValidSignID(uint index)
rubidium@9837: {
rubidium@9837: 	return index < GetSignPoolSize() && GetSign(index)->IsValid();
rubidium@9837: }
rubidium@9837: 
rubidium@9837: #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())
rubidium@9837: #define FOR_ALL_SIGNS(ss) FOR_ALL_SIGNS_FROM(ss, 0)
rubidium@9837: 
rubidium@9837: #endif /* SIGNS_BASE_H */