{
  "params": {
    "height": {
      "type": "range",
      "min": 4,
      "max": 10,
      "step": 0.5,
      "default": 6,
      "label": "Height",
      "describe": "Platform height in metres. The roof adds about 4 m on top; 4 is a field lookout, 10 a frontier tower."
    },
    "roof": {
      "type": "toggle",
      "default": true,
      "label": "Roof",
      "describe": "Pointed shingle roof on four posts with a pennant. Off leaves an open railed platform."
    },
    "wood": {
      "type": "choice",
      "options": [
        "oak",
        "pine",
        "weathered",
        "dark"
      ],
      "default": "oak",
      "label": "Wood",
      "describe": "Timber tone: oak (warm brown), pine (light, freshly built), weathered (silver-grey, old), dark (tarred)."
    },
    "brazier": {
      "type": "toggle",
      "default": true,
      "label": "Brazier",
      "describe": "Iron fire basket on the platform. Its flame glows at night as a beacon."
    }
  },
  "presets": {
    "border outpost": {
      "height": 8.5,
      "wood": "dark"
    },
    "field lookout": {
      "height": 4.5,
      "roof": false,
      "wood": "pine",
      "brazier": false
    },
    "old tower": {
      "wood": "weathered",
      "height": 7
    }
  },
  "night": {
    "fire": {
      "zone": "fire",
      "color": "#ffa040",
      "intensity": 1.8,
      "describe": "The brazier flame burns orange after dark."
    }
  }
}