# signs_base.h

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    00001 /* $Id: signs_base.h 14828 2009-01-04 15:32:25Z smatz $ */
    00002
    00005 #ifndef SIGNS_BASE_H
    00006 #define SIGNS_BASE_H
    00007
    00008 #include "signs_type.h"
    00009 #include "viewport_type.h"
    00010 #include "tile_type.h"
    00011 #include "oldpool.h"
    00012
    00013 DECLARE_OLD_POOL(Sign, Sign, 2, 16000)
    00014
    00015 struct Sign : PoolItem<Sign, SignID, &_Sign_pool> {
    00016   char *name;
    00017   ViewportSign sign;
    00018   int32        x;
    00019   int32        y;
    00020   byte         z;
    00021   OwnerByte    owner; // placed by this company. Anyone can delete them though. OWNER_NONE for gray signs from old games.
    00022
    00026   Sign(Owner owner = INVALID_OWNER);
    00027
    00029   ~Sign();
    00030
    00031   inline bool IsValid() const { return this->owner != INVALID_OWNER; }
    00032 };
    00033
    00034 static inline SignID GetMaxSignIndex()
    00035 {
    00036   /* TODO - This isn't the real content of the function, but
    00037    *  with the new pool-system this will be replaced with one that
    00038    *  _really_ returns the highest index. Now it just returns
    00039    *  the next safe value we are sure about everything is below.
    00040    */
    00041   return GetSignPoolSize() - 1;
    00042 }
    00043
    00044 static inline bool IsValidSignID(uint index)
    00045 {
    00046   return index < GetSignPoolSize() && GetSign(index)->IsValid();
    00047 }
    00048
    00049 #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())
    00050 #define FOR_ALL_SIGNS(ss) FOR_ALL_SIGNS_FROM(ss, 0)
    00051
    00052 #endif /* SIGNS_BASE_H */