{
  "params": {
    "paint": {
      "type": "choice",
      "options": [
        "city red",
        "transit blue",
        "lime",
        "sunflower",
        "teal",
        "white"
      ],
      "default": "city red",
      "label": "Paint",
      "describe": "Body colour: city red (London or Istanbul red), transit blue, lime (green city line), sunflower (yellow), teal, white (airport shuttle). The roof is always white and the skirt dark."
    },
    "articulated": {
      "type": "toggle",
      "default": false,
      "label": "Articulated",
      "describe": "Long 18 m bendy bus: a rear trailer joined by a black bellows, a third axle and a door in the trailer. Off is a standard 12 m bus."
    },
    "roofAC": {
      "type": "toggle",
      "default": true,
      "label": "Roof AC",
      "describe": "Air-conditioning pod on the roof (one per section) with fan grilles. Off leaves a flat roof with a hatch."
    },
    "doorSide": {
      "type": "choice",
      "options": [
        "right",
        "left"
      ],
      "default": "right",
      "label": "Door side",
      "describe": "Curb side of the doors: right for right-hand traffic (Europe, Americas, Turkey), left for left-hand traffic (UK, Japan, Australia). The bus faces +Z."
    }
  },
  "presets": {
    "metrobus": {
      "paint": "city red",
      "articulated": true
    },
    "airport shuttle": {
      "paint": "white",
      "roofAC": true
    },
    "london route": {
      "paint": "city red",
      "doorSide": "left"
    }
  },
  "night": {
    "headlight": {
      "zone": "headlight",
      "color": "#fff4c8",
      "intensity": 1.2,
      "describe": "Headlights glow."
    },
    "taillight": {
      "zone": "taillight",
      "color": "#ff2a2a",
      "intensity": 1,
      "describe": "Tail lights glow red."
    },
    "sign": {
      "zone": "sign",
      "color": "#ffb23d",
      "intensity": 1.5,
      "describe": "Blank destination boards glow amber."
    },
    "cabin": {
      "zone": "cabin",
      "color": "#e4ecf6",
      "intensity": 0.4,
      "describe": "The lit cabin shows through the windows."
    }
  }
}