{
  "params": {
    "length": {
      "type": "range",
      "min": 14,
      "max": 40,
      "step": 1,
      "default": 24,
      "label": "Length",
      "describe": "Length of the hall in metres. 14 is a small farmhouse; 24 a large farm; 40 a chieftain's hall. Width stays 6.5 m."
    },
    "roof": {
      "type": "choice",
      "options": [
        "turf",
        "thatch",
        "shingle"
      ],
      "default": "turf",
      "label": "Roof",
      "describe": "turf (thick grass-grown sod, Iceland and Norway), thatch (straw or reed, Denmark) or shingle (overlapping wooden shingles, rich halls)."
    },
    "walls": {
      "type": "choice",
      "options": [
        "stave",
        "wattle",
        "turf"
      ],
      "default": "stave",
      "label": "Walls",
      "describe": "stave (vertical oak planks), wattle (woven wattle plastered with pale daub between dark posts) or turf (thick stacked sod walls, as in Iceland)."
    },
    "door": {
      "type": "range",
      "min": 0,
      "max": 1,
      "step": 0.05,
      "default": 0,
      "label": "Door open",
      "describe": "How far the plank door in the middle of the +Z wall swings open (0 shut, 1 wide open). Same as rotating the door part."
    },
    "posts": {
      "type": "toggle",
      "default": true,
      "label": "Buttress posts",
      "describe": "Slanting timber posts propping the long walls from outside, as on the great ring-fortress halls."
    }
  },
  "presets": {
    "chieftain hall": {
      "length": 36,
      "roof": "shingle",
      "walls": "stave",
      "posts": true
    },
    "icelandic turf house": {
      "length": 16,
      "roof": "turf",
      "walls": "turf",
      "posts": false
    },
    "danish farmstead": {
      "length": 22,
      "roof": "thatch",
      "walls": "wattle",
      "posts": false,
      "door": 0.6
    }
  },
  "night": {
    "hearth": {
      "zone": "hearth",
      "color": "#ff9a4a",
      "intensity": 1.4,
      "describe": "The long hearth fire glows through the smoke hole and the doorway."
    }
  }
}