Allow eating edible items

Add menu support to the prompt system, and an "Eat" command that prompts
for an item to eat and eats the item the character specifies, restoring
an amount of hitpoints configurable via the item raw type.

1 files changed, 11 insertions, 5 deletions

diff --git a/src/Xanthous/Game/Draw.hs b/src/Xanthous/Game/Draw.hs
index addeaa14cd..9f247d3833 100644
--- a/src/Xanthous/Game/Draw.hs
+++ b/src/Xanthous/Game/Draw.hs
@@ -37,13 +37,19 @@ drawMessages = txt . (<> " ") . unwords . oextract
 
 drawPromptState :: GamePromptState m -> Widget Name
 drawPromptState NoPrompt = emptyWidget
-drawPromptState (WaitingPrompt msg (Prompt _ pt ps _)) =
-  case (pt, ps) of
-    (SStringPrompt, StringPromptState edit) ->
+drawPromptState (WaitingPrompt msg (Prompt _ pt ps pri _)) =
+  case (pt, ps, pri) of
+    (SStringPrompt, StringPromptState edit, _) ->
       txt msg <+> renderEditor (txt . fold) True edit
-    (SDirectionPrompt, DirectionPromptState) -> txt msg
-    (SContinue, _) -> txt msg
+    (SDirectionPrompt, DirectionPromptState, _) -> txt msg
+    (SContinue, _, _) -> txt msg
+    (SMenu, _, menuItems) ->
+      txt msg
+      <=> foldl' (<=>) emptyWidget (map drawMenuItem $ itoList menuItems)
     _ -> undefined
+  where
+    drawMenuItem (chr, MenuOption m _) =
+      str ("[" <> pure chr <> "] ") <+> txt m
 
 drawEntities
   :: (Position -> Bool)