OpenTTD-patches/signs.h

48 lines
1.0 KiB
C

#ifndef SIGNS_H
#define SIGNS_H
#include "pool.h"
typedef struct SignStruct {
StringID str;
ViewportSign sign;
int32 x;
int32 y;
byte z;
byte owner; // placed by this player. Anyone can delete them though.
// OWNER_NONE for gray signs from old games.
uint16 index;
} SignStruct;
extern MemoryPool _sign_pool;
/**
* Get the pointer to the sign with index 'index'
*/
static inline SignStruct *GetSign(uint index)
{
return (SignStruct*)GetItemFromPool(&_sign_pool, index);
}
/**
* Get the current size of the SignPool
*/
static inline uint16 GetSignPoolSize(void)
{
return _sign_pool.total_items;
}
#define FOR_ALL_SIGNS_FROM(ss, start) for (ss = GetSign(start); ss != NULL; ss = (ss->index + 1 < GetSignPoolSize()) ? GetSign(ss->index + 1) : NULL)
#define FOR_ALL_SIGNS(ss) FOR_ALL_SIGNS_FROM(ss, 0)
VARDEF SignStruct *_new_sign_struct;
void UpdateAllSignVirtCoords(void);
void PlaceProc_Sign(uint tile);
/* misc.c */
void ShowRenameSignWindow(SignStruct *ss);
#endif /* SIGNS_H */