Files
loop/src/Dodge/Update/Scroll.hs
T
2025-08-26 16:46:02 +01:00

222 lines
8.5 KiB
Haskell

--{-# LANGUAGE TupleSections #-}
module Dodge.Update.Scroll (
updateWheelEvent,
) where
import NewInt
import Control.Applicative
import qualified Data.ListTrie.Patricia.Map.Enum as PTE
import Dodge.Data.Terminal.Status
import Dodge.Data.EquipType
import Padding
import Control.Monad
import qualified Data.Map.Strict as M
import Data.Maybe
import Dodge.Base
import Dodge.Data.Universe
import Dodge.Inventory
import Dodge.SelectionSections
import Dodge.Terminal
import Geometry
import LensHelp
import SDL
-- yi should be nonzero
updateWheelEvent :: Int -> World -> World
updateWheelEvent yi w = case w ^. hud . subInventory of
NoSubInventory -> updateBaseWheelEvent yi w
ExamineInventory -> updateBaseWheelEvent yi w
MapperInventory{} -> updateBaseWheelEvent yi w
CombineInventory{} -> moveCombineSel yi w
DisplayTerminal tmid -> terminalWheelEvent yi tmid w
-- yi should be nonzero
updateBaseWheelEvent :: Int -> World -> World
updateBaseWheelEvent yi w
-- | Just True <- w ^? cWorld . lWorld . creatures . ix 0 . crInvLock = w
| Just True <- w ^? cWorld . lWorld . lInvLock = w
| bdown ButtonRight = case _rbOptions w of
EquipOptions{} -> w & rbOptions . opSel %~ scrollRBOption yi rbscrollmax
NoRightButtonOptions -> fromMaybe w (selectedItemScroll yi w)
| bdown ButtonLeft = w & wCam . camZoom +~ fromIntegral yi
| ScancodeCapsLock `M.member` _pressedKeys (_input w) = changeSwapSel yi w
| otherwise = scrollAugInvSel yi w
where
bdown b = w & has (input . mouseButtons . ix b)
rbscrollmax = fromMaybe 1 $ do
invid <- you w ^? crManipulation . manObject . imSelectedItem
esite <- you w ^? crInv . ix invid >>= \k -> w ^? cWorld . lWorld . items . ix k >>= equipType -- . itUse . uequipEffect . eeType
return . length $ eqSiteToPositions esite
selectedItemScroll :: Int -> World -> Maybe World
selectedItemScroll yi w = do
i <- you w ^? crManipulation . manObject . imSelectedItem
itm <- you w ^? crInv . ix i >>= \k -> w ^? cWorld . lWorld . items . ix k
return $ itemScroll yi itm w
itemScroll :: Int -> Item -> World -> World
itemScroll yi itm w
| Just xs <- itm ^? itUse . uaParams . apProjectiles = w
& itmlens . itUse . uaParams . apProjectiles .~ rotateList yi xs
| ATTACH ZOOMSCOPE <- itm ^. itType = updateScopeZoom (itm ^. itID) w
| HELD ALTERIFLE <- itm ^. itType
, yi /= 0 =
w
& itmlens . itParams . alteRifleSwitch
%~ ((`mod` 2) . (+ 1))
| isJust $ itm ^? itScroll . itsInt = w & itmlens . itScroll . itsInt +~ yi
| Just y <- itm ^? itScroll . itsMax = w & itmlens . itScroll . itsRangeInt
%~ ((`mod` y) . (+ yi))
| otherwise = w
where
--itmlens = cWorld . lWorld . creatures . ix 0 . crInv . ix invid
itmlens = cWorld . lWorld . items . ix (itm ^. itID . unNInt)
-- note that your _crInvLock does not apply to this TODO check that this is what
-- is wanted
updateScopeZoom :: NewInt ItmInt -> World -> World
updateScopeZoom itid w
| Just 0 <- w ^. input . mouseButtons . at SDL.ButtonRight =
w
& wppointer %~ resetscope
| Just _ <- w ^. input . mouseButtons . at SDL.ButtonRight =
w & wppointer %~ doScopeZoom (w ^. input . smoothScrollAmount) (w ^. input . mousePos)
| otherwise = w & wppointer %~ resetscope
where
wppointer = cWorld . lWorld . items . ix (_unNInt itid) . itUse . uScope
resetscope (OpticScope _ _ defz) = OpticScope (V2 0 0) defz defz
doScopeZoom :: Int -> Point2 -> Scope -> Scope
doScopeZoom scrollamount mp sc = case scrollamount of
x
| x > 10 -> (zoomInLongGun mp . zoomInLongGun mp . zoomInLongGun mp) sc
| x > 5 -> (zoomInLongGun mp . zoomInLongGun mp) sc
| x > 0 -> zoomInLongGun mp sc
| x < -10 -> (zoomOutLongGun . zoomOutLongGun . zoomOutLongGun) sc
| x < -5 -> (zoomOutLongGun . zoomOutLongGun) sc
| x < 0 -> zoomOutLongGun sc
| otherwise -> sc
zoomSpeed :: Float
zoomSpeed = 39 / 40
zoomInLongGun :: Point2 -> Scope -> Scope
zoomInLongGun mousep sc = fromMaybe sc $ do
curzoom <- sc ^? opticZoom
guard $ curzoom < 8
return $
sc & opticPos .+.+~ (1 - zoomSpeed) * zoomSpeed / curzoom *.* mousep
& opticZoom %~ (/ zoomSpeed)
zoomOutLongGun :: Scope -> Scope
zoomOutLongGun sc = fromMaybe sc $ do
curzoom <- sc ^? opticZoom
guard $ curzoom > 0.5
return $
sc & opticPos %~ (\p -> p +.+ (zoomSpeed - 1) / curzoom *.* p)
& opticZoom *~ zoomSpeed
moveCombineSel :: Int -> World -> World
moveCombineSel yi =
( hud . subInventory %~ doscroll
)
. (worldEventFlags . at CombineInventoryChange ?~ ())
where
doscroll ci = fromMaybe ci $ do
sss <- ci ^? ciSections
return $ ci & ciSelection %~ scrollSelectionSections yi sss
terminalWheelEvent :: Int -> Int -> World -> World
terminalWheelEvent yi tmid w
| w & has (input . mouseButtons . ix ButtonRight)
, Just TerminalTextInput{} <- w ^? cWorld . lWorld . terminals . ix tmid . tmStatus =
w & cWorld . lWorld . terminals . ix tmid %~ g
| Just TerminalTextInput{} <- w ^? cWorld . lWorld . terminals . ix tmid . tmStatus =
w & cWorld . lWorld . terminals . ix tmid %~ f
| otherwise = w
where
dowrap = if yi > 0 then wrapup else wrapdown
wrapup s coms = PTE.findSuccessor s coms <|> PTE.findMin coms
wrapdown s coms = PTE.findPredecessor s coms <|> PTE.findMax coms
f tm = fromMaybe tm $ do
let coms = getCommands w tm
x <- tm ^? tmStatus . tiText
let s = fromMaybe "" $ x ^? to words . ix 0
(s',_) <- dowrap s coms
return $ tm & tmStatus . tiText .~ s'
g tm = fromMaybe tm $ do
let coms = getCommands w tm
x <- tm ^? tmStatus . tiText
let s = fromMaybe "" $ x ^? to words . ix 0
y = fromMaybe "" $ x ^? to words . ix 1
-- (s',m) <- fmap (s,) (PTE.lookup s coms) <|> dowrap s coms
-- (arg,_) <- dowrap y m
(s',arg,_) <- if yi > 0 then doubleFindSucc s y coms <|> doubleFindMin coms
else doubleFindPred s y coms <|> doubleFindMax coms
return $ tm & tmStatus . tiText .~ s' ++ " " ++ arg
--case tm ^? tmInput . tiSel of
-- Nothing -> tm & tmInput . tiSel .~ (0, 0)
-- Just (i, _) ->
-- let newi = (i - yi) `mod` length (scrollCommandStrings w tm)
-- in tm & setInput newi 0
-- updatetermsubsel tm = case tm ^? tmInput . tiSel of
-- Nothing -> tm & tmInput . tiSel .~ (0, 0)
-- Just (i, j) ->
-- let newj = (j - yi) `mod` length (getArguments' (scrollCommands tm !! i) tm w)
-- in tm & setInput i newj
-- setInput i j tm =
-- tm
-- & tmInput . tiSel .~ (i, j)
-- & tmStatus . tiText .~ comstr ++ arg
-- where
-- comstr = scrollCommandStrings w tm !! i
-- tc = scrollCommands tm !! i
-- arg = getArguments' tc tm w !! j
doubleFindMin :: (Enum a,Enum b) => PTE.TrieMap a (PTE.TrieMap b c) -> Maybe ([a],[b],c)
doubleFindMin m = do
(x,n) <- PTE.findMin m
case PTE.findMin n of
Just (y,z) -> Just (x,y,z)
Nothing -> Nothing
doubleFindSucc :: (Enum a,Enum b) => [a] -> [b] -> PTE.TrieMap a (PTE.TrieMap b c) -> Maybe ([a],[b],c)
doubleFindSucc xs ys m = case PTE.lookup xs m of
Just m' -> case PTE.findSuccessor ys m' of
Just (ys',z) -> Just (xs,ys',z)
Nothing -> dfs xs m
Nothing -> dfs xs m
where
dfs xs' m' = case PTE.findSuccessor xs' m' of
Just (xs'',n) -> case PTE.findMin n of
Just (ys',z) -> Just (xs'',ys',z)
Nothing -> dfs xs'' m'
Nothing -> Nothing
-- there are edge cases where this doesn't behave as might be expected
doubleFindMax :: (Enum a,Enum b) => PTE.TrieMap a (PTE.TrieMap b c) -> Maybe ([a],[b],c)
doubleFindMax m = do
(x,n) <- PTE.findMax m
case PTE.findMax n of
Just (y,z) -> Just (x,y,z)
Nothing -> Nothing
doubleFindPred :: (Enum a,Enum b) => [a] -> [b] -> PTE.TrieMap a (PTE.TrieMap b c) -> Maybe ([a],[b],c)
doubleFindPred xs ys m = case PTE.lookup xs m of
Just m' -> case PTE.findPredecessor ys m' of
Just (ys',z) -> Just (xs,ys',z)
Nothing -> dfs xs m
Nothing -> dfs xs m
where
dfs xs' m' = case PTE.findPredecessor xs' m' of
Just (xs'',n) -> case PTE.findMax n of
Just (ys',z) -> Just (xs'',ys',z)
Nothing -> dfs xs'' m'
Nothing -> Nothing
scrollRBOption :: Int -> Int -> Int -> Int
scrollRBOption dy ymax
| dy < 0 = min (ymax -1) . subtract dy
| dy > 0 = max 0 . subtract dy
| otherwise = id