#include "newgrf_engine.h"

#include "newgrf_sound.h"

#include "group.h"

#include "order.h"

#include "strings_func.h"

#include "zoom_func.h"

#define INVALID_COORD (0x7fffffff)

#define GEN_HASH(x, y) ((GB((y), 6, 6) << 6) + GB((x), 7, 6))

/* Tables used in vehicle.h to find the right command for a certain vehicle type */