fix(gs/xanthous): Don't gen dupe tutorial messages

Don't generate tutorial messages on levels other than the first.

Change-Id: I7681377461b92f5d5015931b0088bef9d358d2e4
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3804
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI

users/grfn/xanthous/src/Xanthous/App.hs

@@ -568,12 +568,14 @@ showPanel panel = do
 genLevel
   :: Word -- ^ Level number, starting at 0
   -> AppM Level
-genLevel _num = do
+genLevel num = do
   let dims = Dimensions 80 80
   generator <- choose $ CaveAutomata :| [Dungeon]
-  level <- case generator of
-    CaveAutomata -> generateLevel SCaveAutomata CaveAutomata.defaultParams dims
-    Dungeon -> generateLevel SDungeon Dungeon.defaultParams dims
+  let
+    doGen = case generator of
+      CaveAutomata -> generateLevel SCaveAutomata CaveAutomata.defaultParams
+      Dungeon -> generateLevel SDungeon Dungeon.defaultParams
+  level <- doGen dims num
   pure $!! level
 
 levelToGameLevel :: Level -> GameLevel

users/grfn/xanthous/src/Xanthous/Generators/Level.hs

@@ -85,7 +85,7 @@ parseGeneratorInput = Opt.subparser
     generatorCommand sgen name desc parseParams =
       Opt.command name
         (Opt.info
-          (GeneratorInput <$> pure sgen <*> parseParams)
+          (GeneratorInput sgen <$> parseParams)
           (Opt.progDesc desc)
         )
 
@@ -132,8 +132,9 @@ generateLevel
   => SGenerator gen
   -> Params gen
   -> Dimensions
+  -> Word -- ^ Level number, starting at 0
   -> m Level
-generateLevel gen ps dims = do
+generateLevel gen ps dims num = do
   rand <- mkStdGen <$> getRandom
   let cells = generate gen ps dims rand
       _levelWalls = cellsToWalls cells
@@ -146,7 +147,10 @@ generateLevel gen ps dims = do
   let upStaircase = _EntityMap # [(_levelCharacterPosition, UpStaircase)]
   downStaircase <- placeDownStaircase cells
   let _levelStaircases = upStaircase <> downStaircase
-  _levelTutorialMessage <- tutorialMessage cells _levelCharacterPosition
+  _levelTutorialMessage <-
+    if num == 0
+    then tutorialMessage cells _levelCharacterPosition
+    else pure mempty
   pure Level {..}
 
 levelToEntityMap :: Level -> EntityMap SomeEntity