{- | Deals with setting a target for creatures -}
module Dodge.Creature.SetTarget where
import Dodge.Data

import Control.Lens
import qualified Data.IntMap.Strict as IM
{- | Assumes that you are id 0: if creature is cognizant of you, sets you as target -}
targetYouWhenCognizant
    :: World
    -> Creature
    -> Creature
targetYouWhenCognizant w cr = case cr ^? crPerception . crAwarenessLevel . ix 0 of
    Just (Cognizant _)  -> cr & crIntention . targetCr ?~ _creatures w IM.! 0
    _                   -> cr & crIntention . targetCr .~ Nothing