// caoyuana.c 草原inherit ROOM;void create(){        set("short", "草原邊緣");        set("long", @LONG這里是大草原和沙漠接壤之地，青草由稀至密，向西綿綿延伸而去。地上有幾行駱駝踏過的蹄印，看樣子這里常常有商隊(duì)來往。西南方好象有些炊煙。LONG);        set("exits", ([            "east" : "/d/xingxiu/shamo4",            "southwest" : __DIR__"caoyuan1",            "northwest" : __DIR__"caoyuan2",            "northup" : __DIR__"caoyuan3",            "north" : __DIR__"caoyuan",            "south" : __DIR__"caoyuan",        ]));        set("outdoors", "gaochang");        setup();}int valid_leave(object me, string dir){       if (dir == "north") me->add_temp("mark/steps",1);       if (dir == "south") me->add_temp("mark/steps",-1);                 if (me->query_temp("mark/steps") == 4){            me->move(__DIR__"hswz");            me->delete_temp("mark/steps");             return notify_fail("唉。。。\n");return 1;         }       if (me->query_temp("mark/steps") == -4){             me->move(__DIR__"caoyuan1");           me->delete_temp("mark/steps");             return notify_fail("唉。。。\n");return 1;        }                   return ::valid_leave(me, dir);}