make wizards start randomly rotated

src-server/Server/Communication/Handler.hs

@@ -23,6 +23,7 @@ import Server.Communication.Send
 import Server.Log
 import Server.Types
 import Server.Util
+import System.Random (randomRIO)
 
 -- | function for translating 'ClientMessage's into server actions
 handleMessage
@@ -76,9 +77,10 @@ handleMessage stateContainer readerContainer msg = do
         ClientRequestWizard -> do
           let arena = rcMap readerContainer
           initPos <- rollInitPosition arena
+          initRot <- randomRIO (0, 2 * pi)
           now <- liftIO getCurrentTime
           uuid <- nextRandom
-          let freshWizard = newWizard initPos
+          let freshWizard = newWizard initPos initRot
           STM.atomically $ do
             currentPlayers <- STM.readTMVar (scPlayers stateContainer)
             void $ STM.swapTMVar (scPlayers stateContainer) $

src-server/Server/Communication/Send.hs

@@ -184,8 +184,8 @@ sendUpdate curLevel stateContainer tileMap player = do
           leftLine row = cos leftBound * row
           rightLine row = sin rightBound * row
           correctionLeft = if wizardRot < pi / 2 || wizardRot >= 2 * pi
-            then floor
-            else ceiling
+            then ceiling
+            else floor
           correctionRight = if wizardRot < pi / 2 || wizardRot >= 2 * pi
             then ceiling
             else floor

src-server/Server/Util.hs

@@ -25,11 +25,12 @@ removeIfExists fileName = removeFile fileName `catch` handleExists
 
 newWizard
   :: Position
+  -> Float
   -> Wizard
-newWizard pos =
+newWizard pos rot =
   Wizard
     { wizardWands   = []
-    , wizardRot     = 0
+    , wizardRot     = rot
     , wizardPos     = pos
     , wizardMana    = 100
     , wizardHealth  = 100