{
  "params": {
    "piece": {
      "type": "choice",
      "options": [
        "wall",
        "corner",
        "doorway",
        "arch",
        "window slit",
        "broken"
      ],
      "default": "arch",
      "label": "Piece",
      "describe": "wall (plain 2 m section), corner (L piece that closes the -Z and -X edges of one 2 m cell), doorway (1.3 x 2.5 m opening with a lintel; dungeon-door drops into it), arch (round-topped 1.4 m archway), window slit (narrow arrow slit), broken (ruined top with rubble at its foot)."
    },
    "stone": {
      "type": "choice",
      "options": [
        "granite",
        "basalt",
        "sandstone",
        "bluestone",
        "bloodstone"
      ],
      "default": "granite",
      "label": "Stone",
      "describe": "Stone colour: granite (neutral grey), basalt (dark grey, deep dungeon), sandstone (warm tan, desert tomb), bluestone (cold blue-grey), bloodstone (reddish brown, demon lair). Use the same value on floors and doors for a matching set."
    },
    "moss": {
      "type": "toggle",
      "default": false,
      "label": "Moss",
      "describe": "Green moss creeping up the lower courses and over top faces: damp, old, overgrown."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 50,
      "step": 1,
      "default": 7,
      "label": "Seed",
      "describe": "Reshuffles stone lengths, shades and (for broken) the ruined outline and rubble. Course heights never change, so any seeds tile side by side."
    }
  },
  "presets": {
    "crypt archway": {
      "piece": "arch",
      "stone": "basalt",
      "seed": 12
    },
    "flooded ruin": {
      "piece": "broken",
      "moss": true,
      "stone": "bluestone",
      "seed": 23
    },
    "tomb corridor": {
      "piece": "window slit",
      "stone": "sandstone"
    }
  },
  "night": null
}