{
  "params": {
    "paint": {
      "type": "choice",
      "options": [
        "iron",
        "olive",
        "desert",
        "rust"
      ],
      "default": "iron",
      "label": "Paint",
      "describe": "Hull colours: iron (grey with red trim), olive (military green, brass trim), desert (sand with teal trim, blue windows), rust (weathered brown-red, old war machine)."
    },
    "armament": {
      "type": "choice",
      "options": [
        "artillery",
        "rockets",
        "mortars"
      ],
      "default": "artillery",
      "label": "Main gun",
      "describe": "The front turret: artillery (two long heavy barrels), rockets (a tilted launcher box with a grid of tubes), mortars (three short wide tubes aimed high)."
    },
    "tower": {
      "type": "toggle",
      "default": true,
      "label": "Command tower",
      "describe": "The windowed command tower with a spinning radar on the deck. Off = a flat gun deck with a low hatch."
    },
    "size": {
      "type": "range",
      "min": 0.4,
      "max": 1.3,
      "step": 0.05,
      "default": 1,
      "label": "Size",
      "describe": "Uniform scale. 1 is about 13 m tall and 9 m across the deck; 0.4 is a 5 m walker; 1.3 is a 17 m colossus."
    }
  },
  "presets": {
    "iron citadel": {
      "paint": "iron",
      "armament": "artillery",
      "tower": true
    },
    "desert battery": {
      "paint": "desert",
      "armament": "rockets",
      "size": 0.8
    },
    "old war engine": {
      "paint": "rust",
      "armament": "mortars",
      "tower": true,
      "size": 1.2
    }
  },
  "night": {
    "window": {
      "zone": "window",
      "intensity": 1.4,
      "describe": "Command tower windows glow."
    },
    "lamp": {
      "zone": "lamp",
      "intensity": 1.8,
      "describe": "Front searchlights and deck marker lights glow."
    }
  }
}