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{-# LANGUAGE GeneralizedNewtypeDeriving #-}
module Game ( Tank(..)
, Bullet(..)
, GameState(..)
, Game
, runGame
) where
import Level
import Texture
import Control.Monad
import Control.Monad.State
import Data.Fixed
import qualified Data.Map as M
data Tank = Tank
{ tankX :: !Micro
, tankY :: !Micro
, tankDir :: !Micro
, tankAim :: !Micro
, tankSpeed :: !Micro
, tankTurnspeed :: !Micro
, tankMoving :: !Bool
, tankBulletSpeed :: !Micro
, tankBulletBounces :: !Int
, tankBulletsLeft :: !Int
} deriving Show
data Bullet = Bullet
{ bulletX :: !Micro
, bulletY :: !Micro
, bulletDir :: !Micro
, bulletSpeed :: !Micro
, bulletBouncesLeft :: !Int
, bulletTank :: !Int
} deriving Show
data GameState = GameState
{ level :: !Level
, tanks :: ![Tank]
, bullets :: ![Bullet]
, textures :: !(M.Map Texture TextureObject)
} deriving (Show)
newtype Game a = Game (StateT GameState IO a)
deriving (Monad, MonadIO, MonadState GameState)
runGame :: GameState -> Game a -> IO (a, GameState)
runGame st (Game a) = runStateT a st
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