2017-12-13 04:05:18 +00:00
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{-# LANGUAGE MultiParamTypeClasses #-}
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2017-12-15 16:48:12 +00:00
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{-# LANGUAGE FlexibleContexts #-}
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2017-12-27 16:33:31 +00:00
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TypeFamilies #-}
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2017-12-13 03:37:16 +00:00
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module Affection.Subsystems.AffectionMouse where
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import Affection.MessageBus
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import Affection.Types
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2017-12-13 14:19:53 +00:00
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import Affection.Util
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2017-12-13 03:37:16 +00:00
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2017-12-13 04:05:18 +00:00
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import Linear.Affine (unP)
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2017-12-13 03:37:16 +00:00
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import qualified SDL
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2018-01-10 15:58:23 +00:00
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-- | Helper funtion that consumes all Mouse-related 'SDL.Eventpayload's
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-- and emits appropriate 'MouseMessage's
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2017-12-15 16:48:12 +00:00
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consumeSDLMouseEvents
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2020-05-04 03:44:19 +00:00
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:: forall am. (Participant am, Mesg am ~ MouseMessage)
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2018-01-10 15:58:23 +00:00
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=> am -- ^ The message system participant
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-> [SDL.EventPayload] -- ^ Incoming events
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2020-05-04 03:44:19 +00:00
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-> Affection [SDL.EventPayload] -- ^ Leftover SDL events
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2017-12-15 16:58:55 +00:00
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consumeSDLMouseEvents am = doConsume
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2017-12-15 16:48:12 +00:00
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where
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2017-12-27 16:33:31 +00:00
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doConsume
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:: [SDL.EventPayload]
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2020-05-04 03:44:19 +00:00
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-> Affection [SDL.EventPayload]
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2017-12-15 16:48:12 +00:00
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doConsume [] = return []
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doConsume (e:es) = do
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ts <- getElapsedTime
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case e of
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SDL.MouseMotionEvent dat -> do
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partEmit am (MsgMouseMotion
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ts
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(SDL.mouseMotionEventWindow dat)
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(SDL.mouseMotionEventWhich dat)
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(SDL.mouseMotionEventState dat)
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(unP $ SDL.mouseMotionEventPos dat)
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(SDL.mouseMotionEventRelMotion dat)
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)
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doConsume es
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SDL.MouseButtonEvent dat -> do
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partEmit am (MsgMouseButton
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ts
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(SDL.mouseButtonEventWindow dat)
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2018-02-18 03:30:53 +00:00
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(SDL.mouseButtonEventMotion dat)
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2017-12-15 16:48:12 +00:00
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(SDL.mouseButtonEventWhich dat)
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(SDL.mouseButtonEventButton dat)
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(SDL.mouseButtonEventClicks dat)
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(unP $ SDL.mouseButtonEventPos dat)
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)
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doConsume es
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SDL.MouseWheelEvent dat -> do
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partEmit am (MsgMouseWheel
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ts
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(SDL.mouseWheelEventWindow dat)
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(SDL.mouseWheelEventWhich dat)
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(SDL.mouseWheelEventPos dat)
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(SDL.mouseWheelEventDirection dat)
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)
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doConsume es
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_ -> fmap (e :) (doConsume es)
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