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Refactor multiThreadedLoop #4

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Refactor multiThreadedLoop #4

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8 changes: 3 additions & 5 deletions src/Rumpus/Main.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -117,11 +117,9 @@ multiThreadedLoop ghc pd vrPal = do
makeContextCurrent (Just (gpThreadWindow vrPal))
void . flip runStateT startingECS . forever $ do
(headM44, events) <- atomically $ do
readTVar backgroundBox >>= \case
Just something -> do
writeTVar backgroundBox Nothing
return something
Nothing -> retry
+ something <- fmap (fromJustNote "asum . repeat") $ asum $ repeat $ readTVar backgroundBox
+ writeTVar backgroundBox Nothing
+ return something

profile "Controls" $ tickControlEventsSystem headM44 events
tickLogic
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