Add file

src/Dodge/Terminal/ReturnEffect.hs

@@ -0,0 +1,28 @@
+module Dodge.Terminal.ReturnEffect
+    where
+
+import Control.Monad
+import Data.Maybe
+import Dodge.Data.World
+import LensHelp
+import Dodge.Terminal -- this should be rethought
+
+terminalReturnEffect :: Terminal -> World -> World
+terminalReturnEffect tm w = fromMaybe w $ do
+    guard $ _tmStatus tm == TerminalReady
+    s <- w ^? cWorld . lWorld . terminals . ix (_tmID tm) . tmInput . tiText
+    let pc = maybe "" (++ " ") $ tm ^? tmPartialCommand . _Just
+    return $
+        runTerminalString (pc ++ s) tm $
+            w
+                & cWorld . lWorld . terminals . ix (_tmID tm) . tmPartialCommand .~ Nothing
+                & cWorld . lWorld . terminals . ix (_tmID tm) . tmFutureLines .~ 
+                    [makeTermLine (pc ++ "> " ++ s)]
+
+runTerminalString :: String -> Terminal -> World -> World
+runTerminalString s tm w =
+    w & cWorld . lWorld . terminals . ix (_tmID tm)
+        %~ ( (tmInput .~ TerminalInput mempty True (0, 0))
+                . (tmFutureLines ++.~ commandFutureLines s tm w)
+                . (tmCommandHistory %~ take 10 . (s :))
+           )