{
  "params": {
    "sides": {
      "type": "choice",
      "options": [
        "one",
        "both"
      ],
      "default": "both",
      "label": "Sides",
      "describe": "one (a single wall on a 4 x 4 m tile, high ground at -Z, chains along X) or both (an 8 x 4 m corridor with walls on the W and E sides and the floor running N-S, chains along Z)."
    },
    "height": {
      "type": "range",
      "min": 4,
      "max": 16,
      "step": 4,
      "default": 8,
      "label": "Height",
      "describe": "Wall height in metres: 4, 8, 12 or 16 (one to four 4 m levels)."
    },
    "layers": {
      "type": "range",
      "min": 2,
      "max": 6,
      "step": 1,
      "default": 4,
      "label": "Layers",
      "describe": "Number of hard cliff bands stacked up the wall, with sloping talus between them. More layers reads as a deeper, older canyon."
    },
    "biome": {
      "type": "choice",
      "options": [
        "desert",
        "grass",
        "snow",
        "rock",
        "volcanic",
        "alien"
      ],
      "default": "desert",
      "label": "Biome",
      "describe": "Rock and ground colours shared with every Terrain piece: desert (red, cream and orange sandstone), grass (grey limestone with green ledges), snow (blue-grey bands with snowy ledges), rock (grey), volcanic (black and rust basalt), alien (blue and violet bands)."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 50,
      "step": 1,
      "default": 3,
      "label": "Seed",
      "describe": "Changes the crags, fallen blocks and the scatter on the floor. Edges match for every seed."
    }
  },
  "presets": {
    "slot canyon": {
      "sides": "both",
      "height": 16,
      "layers": 6
    },
    "mesa edge": {
      "sides": "one",
      "height": 12,
      "layers": 3
    },
    "green gorge": {
      "sides": "both",
      "biome": "grass",
      "height": 8
    }
  },
  "night": {
    "lava": {
      "zone": "lava",
      "color": "#ff7a1a",
      "intensity": 1.6,
      "describe": "Lava (volcanic biome) and ember cracks glow orange."
    },
    "glow": {
      "zone": "glow",
      "intensity": 1.2,
      "describe": "Alien liquid, bulb plants and crystals glow in their own teal and pink."
    }
  }
}