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path: root/src/Xanthous/Entities/Character.hs
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{-# LANGUAGE TemplateHaskell #-}
module Xanthous.Entities.Character
  ( Character(..)
  , characterName
  , inventory
  , characterDamage
  , mkCharacter
  , pickUpItem
  ) where
--------------------------------------------------------------------------------
import Xanthous.Prelude
import Test.QuickCheck
import Test.QuickCheck.Instances.Vector ()
import Test.QuickCheck.Arbitrary.Generic
import Brick
import Data.Aeson.Generic.DerivingVia
import Data.Aeson (ToJSON, FromJSON)
--------------------------------------------------------------------------------
import Xanthous.Entities
import Xanthous.Entities.Item
--------------------------------------------------------------------------------

data Character = Character
  { _inventory :: !(Vector Item)
  , _characterName :: !(Maybe Text)
  , _characterDamage :: !Word
  }
  deriving stock (Show, Eq, Generic)
  deriving anyclass (CoArbitrary, Function)
  deriving (ToJSON, FromJSON)
       via WithOptions '[ FieldLabelModifier '[Drop 1] ]
           Character
makeLenses ''Character

scrollOffset :: Int
scrollOffset = 5

instance Draw Character where
  draw _ = visibleRegion rloc rreg $ str "@"
    where
      rloc = Location (negate scrollOffset, negate scrollOffset)
      rreg = (2 * scrollOffset, 2 * scrollOffset)

instance Entity Character where
  blocksVision _ = False
  description _ = "yourself"

instance Arbitrary Character where
  arbitrary = genericArbitrary

mkCharacter :: Character
mkCharacter = Character
  { _inventory = mempty
  , _characterName = Nothing
  , _characterDamage = 1
  }

pickUpItem :: Item -> Character -> Character
pickUpItem item = inventory %~ (item <|)