181 lines
7.5 KiB
Haskell
181 lines
7.5 KiB
Haskell
{- |
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Module : Dodge.Event
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Description : Direct event handling
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Deals with direct events.
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This could include individual key or mouse presses.
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However, we cannot handle multiple keys held down at once here,
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(eg left mouse button + right mouse button)
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because these are separate events.
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Nor could we handle continuous mouse button input.
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Instead we store button presses (in a Map) and deal with the combinations in
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the simulation step; in particular see 'updatePressedButtons'.
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-}
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module Dodge.Event
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( handleEvent
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) where
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import Dodge.Terminal
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import Dodge.Tweak
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import Dodge.HeldScroll
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import Dodge.InputFocus
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import Dodge.Combine
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import Dodge.Event.Keyboard
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import Dodge.Base
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import Dodge.Data
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import Dodge.PreloadData
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import Dodge.Inventory
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import Dodge.SoundLogic
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import qualified IntMapHelp as IM
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import Control.Lens
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import Data.Maybe
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import qualified Data.Map.Strict as M
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import qualified Data.Set as S
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import qualified Data.Text as T
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import SDL
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handleEvent :: Event -> Universe -> IO (Maybe Universe)
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handleEvent e = case eventPayload e of
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TextInputEvent tev -> return . Just . handleTextInput (textInputEventText tev)
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KeyboardEvent kev -> handleKeyboardEvent kev
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MouseMotionEvent mmev -> return . handleMouseMotionEvent mmev
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MouseButtonEvent mbev -> return . Just . over uvWorld (handleMouseButtonEvent mbev)
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MouseWheelEvent mwev -> return . handleMouseWheelEvent mwev
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WindowSizeChangedEvent sev -> handleResizeEvent sev
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WindowMovedEvent mev -> return . handleWindowMoveEvent mev
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_ -> return . Just
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handleMouseMotionEvent :: MouseMotionEventData -> Universe -> Maybe Universe
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handleMouseMotionEvent mmev u = Just $ u & uvWorld . mousePos .~ V2
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(fromIntegral x - 0.5*_windowX cfig)
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(0.5*_windowY cfig - fromIntegral y)
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where
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cfig = _uvConfig u
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P (V2 x y) = mouseMotionEventPos mmev
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handleMouseButtonEvent :: MouseButtonEventData -> World -> World
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handleMouseButtonEvent mbev = case mouseButtonEventMotion mbev of
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Released -> mouseButtons . at thebutton .~ Nothing
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Pressed -> mouseButtons . at thebutton ?~ False
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where
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thebutton = mouseButtonEventButton mbev
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{- | Sets window position in config. -}
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handleWindowMoveEvent :: WindowMovedEventData -> Universe -> Maybe Universe
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handleWindowMoveEvent mev = Just
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. (uvConfig . windowPosX .~ fromIntegral x)
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. (uvConfig . windowPosY .~ fromIntegral y)
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where
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P (V2 x y) = windowMovedEventPosition mev
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{- | Resets the world window size, and resizes the fbo that gets the light map drawn into it. -}
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-- using a sideeffect here for the io change seems to work better, more testing
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-- later may be a good idea
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handleResizeEvent :: WindowSizeChangedEventData -> Universe -> IO (Maybe Universe)
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handleResizeEvent sev u = return . Just $ u
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& uvConfig . windowX .~ fromIntegral x
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& uvConfig . windowY .~ fromIntegral y
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& uvIOEffects %~ sideEffectUpdatePreload divRes x y
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where
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x = fromIntegral x'
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y = fromIntegral y'
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V2 x' y' = windowSizeChangedEventSize sev
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divRes = resFactorNum $ u ^. uvConfig . graphics_resolution_factor
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handleMouseWheelEvent :: MouseWheelEventData -> Universe -> Maybe Universe
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handleMouseWheelEvent mwev w = case _menuLayers w of
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[] -> case mouseWheelEventPos mwev of
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V2 _ y -> Just $ w & uvWorld %~ wheelEvent (fromIntegral y)
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_ -> Just w
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wheelEvent :: Float -> World -> World
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wheelEvent y w = case _hudElement $ _hud (_cWorld w) of
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DisplayCarte
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| rbDown -> w & cWorld . hud . carteZoom %~ min 0.75 . max 0.05 . ((1+y*0.1) * )
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| otherwise -> w & cWorld . selLocation %~ (`mod` numLocs) . (+ yi)
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DisplayInventory NoSubInventory
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-- functions that modify the inventory should be centralised so that
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-- this lock can be sensibly applied, perhaps
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| _crInvLock (_creatures (_cWorld w) IM.! _yourID (_cWorld w)) -> w
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| rbDown -> case (yourItem w ^? _Just . itUse . heldScroll,_rbOptions w) of
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(_,EquipOptions{}) -> scrollRBOption y w
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(Nothing,_) -> closeObjScrollDir y w
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(Just f,_) -> w & cWorld . creatures . ix 0 . crInv . ix (crSel $ you w) %~ doHeldScroll f y (you w)
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| lbDown -> w & cWorld . cameraZoom +~ y
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| invKeyDown -> changeSwapInvSel yi w
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| otherwise -> stopSoundFrom (CrReloadSound 0) $ changeAugInvSel yi w
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DisplayInventory TweakInventory
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| invKeyDown && rbDown -> w & moveTweakSel yi
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| invKeyDown -> stopSoundFrom (CrReloadSound 0) $ changeInvSel yi w
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| rbDown -> w & changeTweakParam yi
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| otherwise -> w & moveTweakSel yi
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DisplayInventory (CombineInventory _) -> w
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& cWorld . hud . hudElement . subInventory . combineInvSel . _Just %~ ((`mod` numcombs) . subtract yi)
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DisplayInventory (DisplayTerminal tmid)
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| rbDown && inTermFocus w -> guardDisconnectedID tmid w $ w
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& cWorld . terminals . ix tmid %~ updatetermsubsel
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| inTermFocus w -> w
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& cWorld . terminals . ix tmid %~ updatetermsel
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_ -> w
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where
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updatetermsel tm = case tm ^? tmInput . tiSel of
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Nothing -> tm & tmInput . tiSel .~ (0,0)
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Just (i,_) -> let newi = (i - yi) `mod` length (scrollCommands tm)
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in tm & setInput newi 0 w
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updatetermsubsel tm = case tm ^? tmInput . tiSel of
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Nothing -> tm & tmInput . tiSel .~ (0,0)
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Just (i,j) -> let newj = (j - yi) `mod` length (getArguments' (scrollCommands tm !! i) tm w)
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in tm & setInput i newj w
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setInput i j w' tm = tm
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& tmInput . tiSel .~ (i,j)
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& tmInput . tiText .~ T.pack (_tcString tc ++ " " ++ arg)
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where
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tc = scrollCommands tm !! i
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arg = getArguments' tc tm w' !! j
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numcombs = length $ combineItemListYou w
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yi = round $ signum y
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numLocs = (fst . IM.findMax $ _seenLocations (_cWorld w)) + 1
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rbDown = ButtonRight `M.member` _mouseButtons w
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lbDown = ButtonLeft `M.member` _mouseButtons w
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invKeyDown = ScancodeCapsLock `S.member` _keys w
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getArguments' :: TerminalCommand -> Terminal -> World -> [String]
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getArguments' tc tm = ("" :) . getArguments tc tm
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getArguments :: TerminalCommand -> Terminal -> World -> [String]
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getArguments tc tm w = case doTerminalCommandEffect (_tcEffect tc) tm w of
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NoArguments {} -> []
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OneArgument _ m -> M.keys m
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scrollCommands :: Terminal -> [TerminalCommand]
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scrollCommands = (nullCommand :) . _tmScrollCommands
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nullCommand :: TerminalCommand
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nullCommand = TerminalCommand
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{ _tcString = ""
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, _tcAlias = []
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, _tcHelp = ""
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, _tcEffect = TerminalCommandEffectNone -- \_ _ -> NoArguments []
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}
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scrollRBOption :: Float -> World -> World
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scrollRBOption y w
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| y < 0 = w & rbOptions . opSel %~ (min (length (_opEquip (_rbOptions w))-1) . (+1))
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| y > 0 = w & rbOptions . opSel %~ (max 0 . subtract 1)
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| otherwise = w
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moveTweakSel :: Int -> World -> World
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moveTweakSel i w = case yourItem w ^? _Just . itTweaks . tweakParams of
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Just l -> w & cWorld . creatures . ix (_yourID (_cWorld w)) . crInv . ix (crSel (you w))
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. itTweaks . tweakSel %~ (`mod` length l) . subtract i
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_ -> w
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changeTweakParam :: Int -> World -> World
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changeTweakParam i w = w
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& cWorld . creatures . ix (_yourID (_cWorld w)) . crInv . ix (crSel (you w)) %~
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( (itTweaks . tweakParams . ix paramid . tweakVal .~ x)
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. doTweak (_tweakType params) x)
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where
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tweaks = _itTweaks . fromJust $ yourItem w
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params = _tweakParams tweaks IM.! paramid
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x = (_tweakVal params + i) `mod` _tweakMax params
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paramid = _tweakSel tweaks
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