{
  "type": "minecraft:random_patch",
  "config": {
    "tries": 30,
    "feature": {
      "feature": {
        "type": "minecraft:simple_block",
        "config": {
          "to_place": {
            "type": "minecraft:weighted_state_provider",
            "entries": [
              { "data": { "Name": "spore:biomass_lump" }, "weight": 5 },
              { "data": { "Name": "spore:growth_mycelium" }, "weight": 200 },
              { "data": { "Name": "spore:biomass_bulb" }, "weight": 100 },
              { "data": { "Name": "spore:bile_lump" }, "weight": 100 },
              { "data": { "Name": "spore:fang_lump" }, "weight": 100 }
            ]
          }
        }
      },
      "surface": "floor",
      "placement": [
        {
          "type": "minecraft:block_predicate_filter",
          "predicate": {
            "type": "minecraft:all_of",
            "predicates": [
              {
                "type": "minecraft:solid",
                "offset": [0, -1, 0]
              },
              {
                "type": "minecraft:matching_blocks",
                "blocks": ["minecraft:air"]
              }
            ]
          }
        }
      ]
    }
  }
}