module Game.Entities.Types
  ( Dir (..),
    Type (..),
    Collision,
    IsBlocked,
    Entities (..),
    Action (..),
    Entity (..),
  )
where

import Data.IORef
import qualified Game.Sprites as S

data Dir = DirRight | DirLeft | Dying deriving (Eq)

data Type = TypePlayer | TypePickup | TypeEffect | TypeEnemy deriving (Eq)

type Collision = Entity -> IO Bool

type IsBlocked = Int -> Int -> Bool

data Entities = Entities
  { sprites :: S.SpriteSheet,
    player :: IORef Entity,
    entities :: [Entity]
  }

-- | The effect name must match the sprite name in the spritesheet.
type EffectName = String

data Action
  = ActionAddEffect Int Int EffectName
  | ActionAddBattery Int Int
  | ActionHitPlayer
  | ActionExitStarted
  | ActionEntryDone
  | ActionExitDone

data Entity = Entity
  { typ :: Type,
    x :: Int,
    y :: Int,
    delay :: Int,
    frame :: Int,
    jumping :: Bool,
    gravity :: Int,
    dir :: Dir,
    sprite :: S.Sprite,
    update :: Entity -> IO Entity,
    destroy :: Bool,
    actions :: [Action]
  }