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AI Target Selectors

Target selectors determine what entities the mob will target for attack. They work alongside goal selectors to create intelligent mob behavior.

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Usage

AITargetSelectors:
  - clear           # Remove vanilla targeting
  - hurtby          # Target whoever attacks us
  - players         # Target nearby players

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Available Target Selectors

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clear

Removes all default target selectors. Always use this first to prevent vanilla behavior from conflicting.

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hurtby / hurtbytarget / attacker

Target the entity that last damaged this mob. This is reactive - the mob won’t attack until provoked. Aliases: hurtby, hurtbytarget, attacker, damager

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players / player

Actively target nearby players. The mob will seek out and attack players within range. Aliases: players, player, nearestplayer, nearestattackable, nearest Parameters:
ParameterTypeDefaultDescription
rangenumber16Detection range in blocks
ignorelineofsightbooleanfalseIf true, can target players through walls
Example: 
AITargetSelectors:
  - clear
  - players{range=24;ignorelineofsight=true}

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monsters / monster

Target nearby hostile mobs (zombies, skeletons, etc.)

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villagers / villager

Target nearby villagers

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irongolem / iron_golem

Target nearby iron golems

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ownerhurt

For tamed mobs: target whoever hurt the owner

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ownerhurtby

For tamed mobs: target whoever the owner is attacking

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animals / animal

Target nearby passive animals

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nearestcreature / nearestentity

Target the nearest living entity of any type

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Priority

Selectors are processed in order with auto-incrementing priority. Lower numbers = higher priority. 
AITargetSelectors:
  - clear
  - 0 hurtby    # Priority 0 (highest)
  - 1 players   # Priority 1

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Line of Sight

By default, mobs need line of sight to target entities. If your mob isn’t targeting players:
  1. Ensure the mob has clear view to the player
  2. Or add ignorelineofsight=true to the selector

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Example Configuration

AggressiveGuard:
  Type: ZOMBIE
  AIGoalSelectors:
    - clear
    - meleeattack{speed=1.2}
    - randomstroll
  AITargetSelectors:
    - clear
    - hurtby                    # React when attacked
    - players{range=20}         # Hunt nearby players