(svn r5822) - NewGRF: add support for callback 31, vehicle start/stop check. This allows a set to disallow a vehicle from being started, i.e. to not be able to leave the depot. This is almost a partner to callback 1D.
/* $Id$ */
#ifndef VOID_MAP_H
#define VOID_MAP_H
static inline void MakeVoid(TileIndex t)
{
SetTileType(t, MP_VOID);
SetTileHeight(t, 0);
_m[t].m1 = 0;
_m[t].m2 = 0;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = 0;
_m[t].extra = 0;
}
#endif