{
  "$id": "minecraft.behavior.biomes.1.12.0.components.minecraft.surface_material_adjustments",
  "title": "Surface Material Adjustments",
  "description": "Specify fine-detail changes to blocks used in terrain generation (based on a noise function).",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "adjustments": {
      "title": "Adjustments",
      "description": "All adjustments that match the column's noise values will be applied in the order listed.",
      "items": {
        "title": "Adjustment",
        "description": "UNDOCUMENTED.",
        "$comment": "UNDOCUMENTED",
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "height_range": {
            "title": "Height Range",
            "description": "Defines a range of noise values [min, max] for which this adjustment should be applied.",
            "type": "array",
            "items": [
              {
                "$ref": "../../../molang/number.json",
                "title": "Min"
              },
              {
                "$ref": "../../../molang/number.json",
                "title": "Max"
              }
            ]
          },
          "materials": {
            "title": "Materials",
            "description": "UNDOCUMENTED.",
            "$comment": "UNDOCUMENTED",
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "top_material": {
                "title": "Top Material",
                "description": "Controls the block type used for the surface of this biome when this adjustment is active.",
                "type": "string"
              },
              "mid_material": {
                "title": "Mid Material",
                "description": "Controls the block type used in a layer below the surface of this biome when this adjustment is active.",
                "type": "string"
              },
              "sea_floor_material": {
                "title": "Sea Floor Material",
                "description": "Controls the block type used as a floor for bodies of water in this biome when this adjustment is active.",
                "type": "string"
              },
              "foundation_material": {
                "title": "Top Materials",
                "description": "Controls the block type used deep underground in this biome when this adjustment is active.",
                "type": "string"
              },
              "sea_material": {
                "title": "Top Materials",
                "description": "Controls the block type used in the bodies of water in this biome when this adjustment is active.",
                "type": "string"
              }
            }
          },
          "noise_range": {
            "title": "Noise Range",
            "description": "Defines a range of noise values [min, max] for which this adjustment should be applied.",
            "type": "array",
            "items": [
              {
                "minimum": -1,
                "maximum": 1,
                "title": "Min"
              },
              {
                "minimum": -1,
                "maximum": 1,
                "title": "Max"
              }
            ]
          }
        }
      }
    }
  }
}