{
  "params": {
    "roof": {
      "type": "choice",
      "options": [
        "gambrel",
        "gable"
      ],
      "default": "gambrel",
      "label": "Roof",
      "describe": "gambrel (the classic two-pitch barn roof with a tall hayloft) or gable (a simple steep pitched roof, older or prairie barns)."
    },
    "paint": {
      "type": "choice",
      "options": [
        "red",
        "white",
        "grey",
        "natural"
      ],
      "default": "red",
      "label": "Paint",
      "describe": "red (classic barn red with white trim), white (dairy barn with green trim), grey (weathered grey boards with a rusty roof), natural (bare brown timber)."
    },
    "width": {
      "type": "range",
      "min": 6,
      "max": 12,
      "step": 0.5,
      "default": 8,
      "label": "Width",
      "describe": "Frontage in metres across X. Depth is 1.3 × width and wall height grows a little with it."
    },
    "doors": {
      "type": "range",
      "min": 0,
      "max": 1,
      "step": 0.05,
      "default": 0,
      "label": "Doors open",
      "describe": "How far the two big sliding doors are rolled open along their track. 0 closed, 1 fully open showing the dark interior."
    },
    "cupola": {
      "type": "toggle",
      "default": true,
      "label": "Cupola",
      "describe": "Louvred vent cupola with a little pyramid roof and weathervane on the ridge."
    }
  },
  "presets": {
    "prairie barn": {
      "roof": "gable",
      "paint": "grey",
      "cupola": false,
      "width": 7
    },
    "dairy barn": {
      "paint": "white",
      "width": 11
    },
    "harvest time": {
      "paint": "red",
      "doors": 1
    }
  },
  "night": {
    "window": {
      "zone": "window",
      "color": "#ffcf87",
      "intensity": 1,
      "describe": "Side and cupola windows glow warm after dark."
    },
    "lamp": {
      "zone": "lamp",
      "color": "#ffd38a",
      "intensity": 1.4,
      "describe": "Lamp over the big doors."
    }
  }
}