Put controls on separate menu screen

src/Dodge/Data/Menu.hs

@@ -7,5 +7,6 @@ data MenuLayer
     | GameOverMenu
     | OptionMenu
     | ConfigSaveScreen
+    | ControlList
   deriving (Eq,Ord)
 

src/Dodge/Event/Menu.hs

@@ -19,6 +19,7 @@ handlePressedKeyInMenu mState scode w = case mState of
     LevelMenu _ -> case scode of
             ScancodeEscape  -> Nothing
             ScancodeO       -> goToOptionMenu w
+            ScancodeC       -> goToControls w
             _               -> startLevel w
     PauseMenu   -> case scode of
             ScancodeEscape  -> Nothing
@@ -26,6 +27,7 @@ handlePressedKeyInMenu mState scode w = case mState of
             ScancodeN       -> Just $ putSound $ generateLevel 1 
                                       $ initialWorld {_randGen = _randGen w}
             ScancodeO       -> goToOptionMenu w
+            ScancodeC       -> goToControls w
             _               -> unpause w
     GameOverMenu -> case scode of
             ScancodeEscape  -> Nothing
@@ -34,6 +36,7 @@ handlePressedKeyInMenu mState scode w = case mState of
                                                        $ initialWorld
                                                            {_randGen = _randGen w}
             ScancodeO       -> goToOptionMenu w
+            ScancodeC       -> goToControls w
             _               -> Just w
     OptionMenu -> case scode of
             ScancodeY       -> Just $ w & config . volume_master %~ dec
@@ -44,6 +47,7 @@ handlePressedKeyInMenu mState scode w = case mState of
             ScancodeM       -> Just $ w & config . volume_music  %~ inc
             _               -> Just $ w & menuLayers %~ ([ConfigSaveScreen , ConfigSaveScreen] ++) . tail
                                         & configNeedsUpdate .~ False
+    ControlList -> Just $ w & menuLayers %~ tail
     _ -> Just w
   where 
     unpause w' = Just . resumeSound $
@@ -54,6 +58,7 @@ handlePressedKeyInMenu mState scode w = case mState of
     inc x = min 1 (x + 0.1)
     goToOptionMenu w = Just $ w & menuLayers %~ (OptionMenu :)
                                 & configNeedsUpdate .~ True
+    goToControls w = Just $ w & menuLayers %~ (ControlList :)
 
 storeLevel :: World -> World
 storeLevel w = case _storedLevel w of

src/Dodge/Render/MenuScreen.hs

@@ -14,7 +14,6 @@ menuScreen w = case _menuLayers w of
     (LevelMenu x:_) -> pictures 
         [color (withAlpha 0.5 black) $ polygon $ screenBox w
         ,tst (-100) 100 0.4 ("LEVEL "++show x)
-        ,controlsList
         ]
     (PauseMenu:_)   -> pictures 
         [color (withAlpha 0.5 black) $ polygon $ screenBox w
@@ -22,7 +21,7 @@ menuScreen w = case _menuLayers w of
         ,tst (-100) 50 0.2 "n - new level"
         ,tst (-100) 0 0.2 "r - restart"
         ,tst (-100) (-50) 0.2 "o - options"
-        , controlsList
+        ,tst (-100) (-100) 0.2 "c - controls"
         ]
     (GameOverMenu:_) -> pictures 
         [color (withAlpha 0.5 black) $ polygon $ screenBox w
@@ -30,7 +29,7 @@ menuScreen w = case _menuLayers w of
         ,tst (-100) 50 0.2 "n - new level"
         ,tst (-100) 0 0.2 "r - restart"
         ,tst (-100) (-50) 0.2 "o - options"
-        ,controlsList
+        ,tst (-100) (-100) 0.2 "c - controls"
         ]
     (OptionMenu : _) -> pictures 
         [color (withAlpha 0.5 black) $ polygon $ screenBox w
@@ -38,8 +37,19 @@ menuScreen w = case _menuLayers w of
         ,tst (-180) 50 0.2    $ "y - master volume + u : " ++ mavol
         ,tst (-180) 0 0.2     $ "h - sound  volume + j : " ++ snvol
         ,tst (-180) (-50) 0.2 $ "n - music  volume + m : " ++ muvol
+        ]
+    (ControlList : _) -> pictures 
+        [color (withAlpha 0.5 black) $ polygon $ screenBox w
+        ,tst (-100) 100 0.4 "CONTROLS"
         ,controlsList
         ]
+    (ConfigSaveScreen : _) -> pictures
+        [color (withAlpha 0.5 black) $ polygon $ screenBox w
+        ,tst (-100) 100 0.4 "OPTIONS"
+        ,tst (-180) 50 0.2    $ "y - master volume + u : " ++ mavol
+        ,tst (-180) 0 0.2     $ "h - sound  volume + j : " ++ snvol
+        ,tst (-180) (-50) 0.2 $ "n - music  volume + m : " ++ muvol
+        ]
     _ -> blank
   where 
     tst x y sc t = translate x y $ scale sc sc $ color white $ text t
@@ -48,25 +58,23 @@ menuScreen w = case _menuLayers w of
     muvol = f $ _volume_music  $ _config w
     f x = show $ round $ 10 * x
 
-controlsList = pictures [tst (-250) (-130) 0.15 "controls:"
+controlsList = pictures $ concat $ zipWith butAndEff
-               ,tst (-150) (-130) 0.15 "wasd"
+    [("wasd",           "movement")
-               ,tst  0   (-130) 0.15 "movement"
+    ,("[rmb]",          "aim")
-               ,tst (-150) (-160) 0.15 "[rmb]"
+    ,("[rmb+lmb]",      "shoot or use item")
-               ,tst  0     (-160) 0.15 "aim"
+    ,("[wheelscroll]" , "select item"  )
-               ,tst (-150) (-190) 0.15 "[rmb+lmb]"
+    ,("[space]" ,       "pickup item"  )
-               ,tst  0     (-190) 0.15 "shoot or use item"
+    ,("m" ,             "display map"    )
-               ,tst (-150) (-220) 0.15 "[wheelscroll]"
+    ,("f" ,             "drop item"    )
-               ,tst  0     (-220) 0.15 "select item"
+    ,("c[esc]" ,        "pause"        )
-               ,tst (-150) (-250) 0.15 "[space]"
+    ,("qe" ,       "rotate camera")
-               ,tst 0      (-250) 0.15 "pickup item"
+    ]
-               ,tst (-150) (-280) 0.15 "f"
+    [60,30..]
-               ,tst 0      (-280) 0.15 "drop item"
+  where
-               ,tst (-150) (-310) 0.15 "cp[esc]"
+    butAndEff (btext,etext) y = 
-               ,tst 0      (-310) 0.15 "pause"
+        [translate (-250) y $ scale 0.15 0.15 $ color white $ text btext
-               ,tst (-150) (-340) 0.15 "qe[lmb]"
+        ,translate     0  y $ scale 0.15 0.15 $ color white $ text etext
-               ,tst 0      (-340) 0.15 "rotate camera"
+        ]
-               ]
-                where tst x y sc t = translate x y $ scale sc sc $ color white $ text t
 
 screenBox w = [  (halfWidth w, halfHeight w)
               , (-halfWidth w, halfHeight w)