1 files changed, 31 insertions, 0 deletions
diff --git a/src/MainLoop.hs b/src/MainLoop.hs
new file mode 100644
index 0000000..94b5e9d
--- /dev/null
+++ b/src/MainLoop.hs
@@ -0,0 +1,31 @@
+{-# LANGUAGE GeneralizedNewtypeDeriving #-}
+
+module MainLoop ( MainState(..)
+                , MainT(..)
+                , Main
+                , runMain
+                ) where
+
+import Game
+import GLDriver
+import Player
+
+import Control.Monad.State
+import Control.Monad.Trans
+import Data.Time
+
+
+data MainState = MainState
+               { run      :: !Bool
+               , driver   :: !SomeDriver
+               , time     :: !UTCTime
+               , players  :: ![SomePlayer]
+               }
+
+newtype MainT m a = MainT (StateT MainState m a)
+    deriving (Monad, MonadState MainState, MonadIO, MonadTrans)
+
+type Main = MainT Game
+
+runMain :: MainState -> Main a -> Game (a, MainState)
+runMain st (MainT a) = runStateT a st