{
  "name": "stoneMason",
  "allowedTileResources" : ["stone"],
  "cost" : {"wood": 15, "stone": 10},
  "modelStages": [
    {
      "name": "stone_mason_empty",
      "filename": "stone_mason.obj",
      "conditionKey": "fillRatio",
      "minValue": 0.0,
      "maxValue": 0.5
    },
    {
      "name": "stone_mason_full",
      "filename": "stone_mason_full.obj",
      "conditionKey": "fillRatio",
      "minValue": 0.5,
      "maxValue": 1.0
    }
  ]
}