text: // Code of ShenZhou
  // Room: didao_n.c 地道北
  // Zhangchi 7/00
  
  inherit ROOM;
  #include "didao.h"
  
  void create()
  {
          set("short", "地道");
          set("long", @LONG
  這是一條剛剛挖成的地道，看樣子是往北延伸。
  LONG );
          set("exits", ([
                  "south": "/d/mingjiao/didao/didao1",
  ]));
          
          set("cost", 1);
          set("valid_dig","north");
  
          setup();
  //        replace_program(ROOM);
  }
  
  void init()
  {
          int num=get_room("north");
          if (num >= 1)
                  set("exits/north","/d/mingjiao/didao/didao_n_1");
          else
                  delete("exits/north");
  
          add_action("do_dig","wa");
          add_action("do_dig","dig");
  }