{
  "params": {
    "piece": {
      "type": "choice",
      "options": [
        "straight",
        "corner-out",
        "corner-in"
      ],
      "default": "straight",
      "label": "Piece",
      "describe": "straight (face runs W to E, high ground behind), corner-out (high ground only in the back-left; the face wraps from the W edge round to the N edge), corner-in (high ground everywhere except the front-right; the face bends from the S edge round to the E edge). Rotate in 90 degree steps."
    },
    "height": {
      "type": "range",
      "min": 4,
      "max": 12,
      "step": 4,
      "default": 8,
      "label": "Height",
      "describe": "Cliff height in metres: 4, 8 or 12, one to three 4 m levels."
    },
    "biome": {
      "type": "choice",
      "options": [
        "grass",
        "desert",
        "snow",
        "rock",
        "volcanic",
        "alien"
      ],
      "default": "grass",
      "label": "Biome",
      "describe": "Rock, ledge and ground colours, shared by every Terrain piece: grass (grey rock, turf ledges), desert (orange sandstone), snow (blue-grey rock, snowy ledges), rock (bare grey, mossy ledges), volcanic (black basalt, ember rocks glow at night), alien (blue rock, glowing teal plants)."
    },
    "strata": {
      "type": "toggle",
      "default": true,
      "label": "Strata",
      "describe": "Layered rock with overhanging lips and ledges between bands. Off gives a rough single-slope face."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 50,
      "step": 1,
      "default": 5,
      "label": "Seed",
      "describe": "Changes the crags in the face, the scree and the decor. Edges match for every seed."
    }
  },
  "presets": {
    "red mesa wall": {
      "biome": "desert",
      "height": 12,
      "piece": "straight"
    },
    "snowy bluff": {
      "biome": "snow",
      "height": 8,
      "piece": "corner-out",
      "seed": 11
    },
    "mossy bay": {
      "biome": "rock",
      "height": 4,
      "piece": "corner-in"
    }
  },
  "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."
    }
  }
}