[
  {
    "type": "terrain",
    "id": "t_nether_glass_floor",
    "name": "black glass",
    "description": "An endless expanse of black glass.  It perfectly reflects the darkness around it.",
    "symbol": " ",
    "color": "black",
    "move_cost": 2,
    "flags": [ "TRANSPARENT", "FLAT", "ROAD" ]
  },
  {
    "type": "terrain",
    "id": "t_nether_glass_floor_clairvoyance",
    "name": "black glass",
    "description": "An endless expanse of black glass.  It perfectly reflects the darkness around it.",
    "symbol": " ",
    "color": "black",
    "move_cost": 2,
    "emissions": [ "emit_clairvoyant" ],
    "flags": [ "TRANSPARENT", "FLAT", "ROAD" ]
  },
  {
    "type": "terrain",
    "id": "t_nether_glass_floor_basalt",
    "name": "black glass",
    "description": "An endless expanse of black glass.  It perfectly reflects the darkness around it.",
    "symbol": " ",
    "color": "black",
    "move_cost": 2,
    "flags": [ "TRANSPARENT", "FLAT", "ROAD" ]
  },
  {
    "type": "terrain",
    "id": "t_nether_glass_wall",
    "name": "black glass",
    "description": "An endless expanse of black glass.  It perfectly reflects the darkness around it.",
    "symbol": " ",
    "color": "black",
    "move_cost": 0,
    "connect_groups": "WALL",
    "connects_to": "WALL",
    "flags": [ "NOITEM", "WALL" ]
  },
  {
    "type": "terrain",
    "id": "t_nether_basalt",
    "name": "perfect basalt wall",
    "description": "Hexagonal columns of basalt spring from the dark floor.  Each a perfect copy of the next.",
    "symbol": "#",
    "color": "dark_gray",
    "move_cost": 0,
    "connect_groups": "WALL",
    "connects_to": "WALL",
    "flags": [ "NOITEM", "WALL" ]
  }
]
