bedrock-samples/behavior_pack/entities/axolotl.json

{
  "format_version": "1.16.0",
  "minecraft:entity": {
    "description": {
      "identifier": "minecraft:axolotl",
      "spawn_category": "axolotls",
      "is_spawnable": true,
      "is_summonable": true,
      "is_experimental": false
    },

    "component_groups": {
      "attack_cooldown": {
        "minecraft:attack_cooldown": {
          "attack_cooldown_time": 120.0,
          "attack_cooldown_complete_event": {
            "event": "attack_cooldown_complete_event",
            "target": "self"
          }
        }
      },
      "axolotl_lucy": {
        "minecraft:variant": { "value": 0 }
      },
      "axolotl_cyan": {
        "minecraft:variant": { "value": 1 }
      },
      "axolotl_gold": {
        "minecraft:variant": { "value": 2 }
      },
      "axolotl_wild": {
        "minecraft:variant": { "value": 3 }
      },
      "axolotl_blue": {
        "minecraft:variant": { "value": 4 }
      },

      "axolotl_baby": {
        "minecraft:is_baby": {
        },
        "minecraft:scale": {
          "value": 0.5
        },
        "minecraft:ageable": {
          "duration": 1200,
          "feed_items": "tropical_fish_bucket",
          "transform_to_item": "water_bucket:0",
          "grow_up": {
            "event": "minecraft:ageable_grow_up",
            "target": "self"
          }
        },
        "minecraft:behavior.follow_parent": {
          "priority": 5,
          "speed_multiplier": 1.1
        }
      },
      "axolotl_adult": {
        "minecraft:experience_reward": {
          "on_bred": "Math.Random(1,7)",
          "on_death": "query.last_hit_by_player ? Math.Random(1,3) : 0"
        },
        "minecraft:behavior.breed": {
          "priority": 1,
          "speed_multiplier": 1.0
        },
        "minecraft:breedable": {
          "require_tame": false,
          "breed_items": "tropical_fish_bucket",
          "transform_to_item": "water_bucket:0",
          "breeds_with": {
            "mate_type": "minecraft:axolotl",
            "baby_type": "minecraft:axolotl",
            "breed_event": {
              "event": "minecraft:entity_born",
              "target": "baby"
            }
          },
          "mutation_factor": {
            "variant": 0.00083 // roughly 1/1200
          }
        }
      },
      
      "axolotl_in_water": {
        "minecraft:environment_sensor": {
          "triggers": [
            {
              "filters": { "test": "in_water", "operator": "!=", "value": true },
              "event": "start_drying_out"
            }
          ]
        }
      },
      "axolotl_dried": {
        "minecraft:damage_over_time": {
          "damage_per_hurt": 1,
          "time_between_hurt": 0
        }
      },
      "axolotl_on_land": {
        "minecraft:drying_out_timer": {
          "total_time": 300,
          "water_bottle_refill_time": 90,
          "dried_out_event": {
            "event": "dried_out"
          },
          "stopped_drying_out_event": {
            "event": "stop_drying_out"
          },
          "recover_after_dried_out_event": {
            "event": "recover_after_dried_out"
          }
        }
      },
      "axolotl_on_land_in_rain": {
        "minecraft:environment_sensor": {
          "triggers": [
            {
              "filters": { "test": "in_water_or_rain", "operator": "!=", "value": true },
              "event": "start_drying_out"
            },
            {
              "filters": { "test": "in_water", "operator": "==", "value": true },
              "event": "enter_water"
            }
          ]
        }
      }
    },

    "components": {
      "minecraft:is_hidden_when_invisible": {
      },
      "minecraft:type_family": {
        "family": [ "axolotl", "mob" ]
      },
      "minecraft:collision_box": {
        "width": 0.75,
        "height": 0.42
      },
      "minecraft:breathable": {
        "total_supply": 15,
        "suffocate_time": 0,
        "breathes_water": true,
        "breathes_air": true,
        "generates_bubbles": false
      },
      "minecraft:nameable": {
      },
      "minecraft:health": {
        "value": 14
      },
      "minecraft:damage_sensor": {
        "triggers": {
          "cause": "lightning",
          "deals_damage": true,
          "damage_multiplier": 2000.0
        }
      },
      "minecraft:hurt_on_condition": {
        "damage_conditions": [
          {
            "filters": {
              "test": "in_lava",
              "subject": "self",
              "operator": "==",
              "value": true
            },
            "cause": "lava",
            "damage_per_tick": 4
          }
        ]
      },
      "minecraft:navigation.generic": {
        "is_amphibious": true,
        "can_path_over_water": true,
        "can_swim": true,
        "can_walk": true,
        "can_sink": false,
        "avoid_damage_blocks": true
      },
      "minecraft:movement.amphibious": {
        "max_turn": 15.0
      },
      "minecraft:movement": {
        "value": 0.1
      },
      "minecraft:underwater_movement": {
        "value": 0.2
      },
      "minecraft:jump.static": {
      },
      "minecraft:physics": {
      },
      "minecraft:pushable": {
        "is_pushable": true,
        "is_pushable_by_piston": true
      },
      "minecraft:leashable": {
        "soft_distance": 4.0,
        "hard_distance": 6.0,
        "max_distance": 10.0
      },
      "minecraft:despawn": {
        "despawn_from_distance": {}
      },
      "minecraft:attack": {
        "damage": 2
      },
      "minecraft:combat_regeneration": {},

      "minecraft:behavior.play_dead": {
        "priority": 0,
        "duration": 10,
        "force_below_health": 8,
        "random_start_chance": 0.33,
        "random_damage_range": [ 0, 2 ],
        "damage_sources": [
          "contact",
          "entity_attack",
          "entity_explosion",
          "magic",
          "projectile",
          "thorns",
          "wither"
        ],
        "apply_regeneration": true,
        "filters": { "test": "in_water", "operator": "==", "value": true }
      },
      "minecraft:behavior.tempt": {
        "priority": 2,
        "speed_multiplier": 1.1,
        "can_tempt_vertically": true,
        "items": [
          "tropical_fish_bucket"
        ]
      },
      "minecraft:behavior.nearest_attackable_target": {
        "priority": 3,
        "must_see": true,
        "reselect_targets": true,
        "within_radius": 20.0,
        "must_see_forget_duration": 17.0,
        "entity_types": [
          {
            "filters": {
              "all_of": [
                { "test": "in_water", "subject": "other", "value": true },
                { "test": "has_component", "subject": "self", "operator": "!=", "value": "minecraft:attack_cooldown" },
                {
                  "any_of": [
                    { "test": "is_family", "subject": "other", "value": "squid" },
                    { "test": "is_family", "subject": "other", "value": "fish" },
                    { "test": "is_family", "subject": "other", "value": "tadpole" }
                  ]
                }
              ]
            },
            "max_dist": 8
          },
          {
            "filters": {
              "all_of": [
                { "test": "in_water", "subject": "other", "value": true },
                {
                  "any_of": [
                    { "test": "is_family", "subject": "other", "value": "drowned" },
                    { "test": "is_family", "subject": "other", "value": "guardian" },
                    { "test": "is_family", "subject": "other", "value": "guardian_elder" }
                  ]
                }
              ]
            },
            "max_dist": 8
          }
        ]
      },
      "minecraft:behavior.melee_box_attack": {
        "priority": 4,
        "on_kill": {
            "event": "killed_enemy_event",
            "target": "self"
        }
      },
      "minecraft:behavior.move_to_water": {
        "priority": 6,
        "search_range": 16,
        "search_height": 5,
        "search_count": 1,
        "goal_radius": 0.1
      },
      "minecraft:behavior.swim_idle": {
        "priority": 7,
        "idle_time": 5.0,
        "success_rate": 0.05
      },
      "minecraft:behavior.random_swim": {
        "priority": 8,
        "interval": 0,
        "xz_dist": 30,
        "y_dist": 15
      },
      "minecraft:behavior.random_stroll": {
        "priority": 9,
        "interval": 100
      },
      "minecraft:behavior.look_at_player": {
        "priority": 10,
        "target_distance": 6.0,
        "probability": 0.02
      }
    },

    "events": {
      "minecraft:entity_spawned": {
        "sequence": [
          {
            "add": {
              "component_groups": [
                "axolotl_adult",
                "axolotl_in_water"
              ]
            }
          },
          {
            "randomize": [
              {
                "weight": 25,
                "add": {
                  "component_groups": [ "axolotl_cyan" ]
                }
              },
              {
                "weight": 25,
                "add": {
                  "component_groups": [ "axolotl_gold" ]
                }
              },
              {
                "weight": 25,
                "add": {
                  "component_groups": [ "axolotl_lucy" ]
                }
              },
              {
                "weight": 25,
                "add": {
                  "component_groups": [ "axolotl_wild" ]
                }
              }
            ]
          }
        ]
      },
      "attack_cooldown_complete_event": {
        "remove": {
          "component_groups": [
            "attack_cooldown"
          ]
        }
      },
      "killed_enemy_event": {
        "add": {
          "component_groups": [
            "attack_cooldown"
          ]
        }
      },
      "minecraft:entity_born": {
        "sequence": [
          {
            "remove": {
              "component_groups": [
                "axolotl_adult"
              ]
            },
            "add": {
              "component_groups": [
                "axolotl_baby",
                "axolotl_in_water"
              ]
            }
          },
          {
            "filters": {
              "test": "has_component",
              "operator": "!=",
              "value": "minecraft:variant"
            },
            "add": { "component_groups": [ "axolotl_blue" ] }
          }
        ]
      },

      "minecraft:ageable_grow_up": {
        "remove": { "component_groups": [ "axolotl_baby" ] },
        "add": { "component_groups": [ "axolotl_adult" ] }
      },

      "stop_drying_out": {
        "remove": {
          "component_groups": [
            "axolotl_on_land",
            "axolotl_dried"
          ]
        },
        "add": {
          "component_groups": [ "axolotl_on_land_in_rain" ]
        }
      },
      "start_drying_out": {
        "remove": {
          "component_groups": [
            "axolotl_on_land_in_rain",
            "axolotl_in_water"
          ]
        },
        "add": {
          "component_groups": [ "axolotl_on_land" ]
        }
      },
      "dried_out": {
        "add": {
          "component_groups": [ "axolotl_dried" ]
        }
      },
      "recover_after_dried_out": {
        "remove": {
          "component_groups": [ "axolotl_dried" ]
        }
      },
      "enter_water": {
        "remove": {
          "component_groups": [
            "axolotl_on_land",
            "axolotl_on_land_in_rain",
            "axolotl_dried"
          ]
        },
        "add": {
          "component_groups": [
            "axolotl_in_water"
          ]
        }
      }
    }
  }
}