{
  "params": {
    "length": {
      "type": "range",
      "min": 12,
      "max": 30,
      "step": 1,
      "default": 22,
      "label": "Length",
      "describe": "Length in metres. 12 is a small coastal boat; 22 a typical warship with about 13 oars a side; 30 a great royal longship. Beam, mast and oar count scale with it."
    },
    "sail": {
      "type": "choice",
      "options": [
        "set",
        "furled",
        "none"
      ],
      "default": "set",
      "label": "Sail",
      "describe": "set (square sail spread on the yard and bellied forward by the wind), furled (sail rolled up along the yard) or none (mast unstepped, rowing only)."
    },
    "sailColor": {
      "type": "choice",
      "options": [
        "red stripes",
        "blue stripes",
        "plain wool",
        "checks"
      ],
      "default": "red stripes",
      "label": "Sail colour",
      "describe": "Pattern of the woollen sail: red stripes, blue stripes, plain wool (undyed) or checks (red and white chequer)."
    },
    "shields": {
      "type": "choice",
      "options": [
        "yellow black",
        "red white",
        "blue white",
        "mixed",
        "none"
      ],
      "default": "yellow black",
      "label": "Shields",
      "describe": "Paint of the round shields hung along the rails: yellow black and red white alternate two colours in halves, blue white likewise, mixed uses six colours, none leaves the rails bare."
    },
    "oars": {
      "type": "toggle",
      "default": true,
      "label": "Oars out",
      "describe": "Oars run out through the oar ports and sweep through a rowing stroke as the ship travels. Off ships the oars (sailing or moored); the hull still rides the swell."
    }
  },
  "presets": {
    "raiding party": {
      "length": 22,
      "sail": "set",
      "sailColor": "red stripes",
      "shields": "mixed",
      "oars": true
    },
    "royal longship": {
      "length": 30,
      "sail": "set",
      "sailColor": "checks",
      "shields": "yellow black",
      "oars": true
    },
    "river boat under oars": {
      "length": 14,
      "sail": "none",
      "shields": "none",
      "oars": true
    }
  },
  "night": null
}