behavior_packs/vanilla/entities/bat.json

{
  "format_version": "1.26.0",
  "minecraft:entity": {
    "description": {
      "identifier": "minecraft:bat",
      "is_experimental": false,
      "is_summonable": true,
      "is_spawnable": true,
      "spawn_category": "ambient"
    },
    "components": {
      "minecraft:behavior.float": {
        "priority": 0
      },
      "minecraft:behavior.float_wander": {
        "float_duration": [
          0.1,
          0.35
        ],
        "float_wander_has_move_control": false,
        "random_reselect": true,
        "y_offset": -2.0,
        "use_home_position_restriction": false,
        "xz_dist": 10,
        "y_dist": 7
      },
      "minecraft:breathable": {
        "breathes_lava": false,
        "suffocate_time": 0,
        "total_supply": 15
      },
      "minecraft:can_fly": {},
      "minecraft:collision_box": {
        "height": 0.9,
        "width": 0.5
      },
      "minecraft:damage_sensor": {
        "triggers": {
          "cause": "fall",
          "deals_damage": "no"
        }
      },
      "minecraft:despawn": {
        "filters": [
          {
            "all_of": [
              {
                "test": "is_persistent",
                "value": false
              },
              {
                "operator": "<",
                "test": "light_level",
                "value": 8
              },
              {
                "subject": "self",
                "test": "inactivity_timer",
                "value": 600
              },
              {
                "test": "random_chance",
                "value": 50
              },
              {
                "operator": ">",
                "test": "distance_to_nearest_player",
                "value": 54
              }
            ]
          }
        ]
      },
      "minecraft:health": {
        "max": 6,
        "value": 6
      },
      "minecraft:hurt_on_condition": {
        "damage_conditions": [
          {
            "cause": "lava",
            "damage_per_tick": 4,
            "filters": {
              "operator": "==",
              "test": "in_lava",
              "subject": "self",
              "value": true
            }
          }
        ]
      },
      "minecraft:jump.static": {},
      "minecraft:movement": {
        "value": 0.1
      },
      "minecraft:movement.basic": {},
      "minecraft:nameable": {},
      "minecraft:navigation.float": {
        "can_path_over_water": true,
        "using_door_annotation": true
      },
      "minecraft:physics": {},
      "minecraft:type_family": {
        "family": [
          "bat",
          "mob"
        ]
      }
    },
    "events": {}
  }
}