[
  {
    "type": "overmap_location",
    "id": "backfloorchamber",
    "terrains": [ "backfloorchamber" ]
  },
  {
    "type": "overmap_terrain",
    "id": "backfloorchamber",
    "name": "backroom chamber",
    "sym": ".",
    "color": "white",
    "see_cost": 20,
    "spawns": { "group": "GROUP_BACKROOMS", "population": [ 2, 15 ], "chance": 40 },
    "extras": "field"
  },
  {
    "type": "mapgen",
    "method": "json",
    "om_terrain": [ "backfloorchamber" ],
    "object": {
      "fill_ter": "t_carpet_backrooms",
      "rows": [
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        ",
        "                        "
      ],
      "place_nested": [
        { "chunks": [ [ "mx_backrooms_whole", 100 ] ], "x": 0, "y": 0 },
        {
          "chunks": [
            [ "null", 250 ],
            [ "mx_backroom_big_empty", 50 ],
            [ "mx_backroom_big_generic", 50 ],
            [ "mx_backroom_big_common", 100 ],
            [ "mx_backroom_big_storage", 25 ],
            [ "mx_backroom_big_breakroom", 25 ],
            [ "mx_backroom_big_bathroom", 20 ]
          ],
          "x": [ 0, 13 ],
          "y": [ 0, 13 ],
          "repeat": [ 0, 2 ]
        },
        {
          "chunks": [
            [ "null", 250 ],
            [ "mx_backroom_small_empty", 50 ],
            [ "mx_backroom_small_generic", 50 ],
            [ "mx_backroom_small_common", 100 ],
            [ "mx_backroom_small_storage", 25 ],
            [ "mx_backroom_small_breakroom", 25 ],
            [ "mx_backroom_small_bathroom", 20 ]
          ],
          "x": [ 0, 18 ],
          "y": [ 0, 18 ],
          "repeat": [ 0, 3 ]
        }
      ]
    }
  }
]
