Files
loop/src/Dodge/Inventory.hs
T

238 lines
8.6 KiB
Haskell

--{-# LANGUAGE TupleSections #-}
module Dodge.Inventory (
checkInvSlotsYou,
rmSelectedInvItem,
rmInvItem,
updateCloseObjects,
--closeObjScrollDir,
changeSwapSel,
scrollAugInvSel,
crNumFreeSlots,
crInvSize,
selectedCloseObject,
setInvPosFromSS,
module Dodge.Inventory.RBList
) where
import Dodge.Inventory.RBList
import Control.Applicative
import Data.Maybe
import Dodge.Base
import Dodge.Data.SelectionList
import Dodge.Data.World
import Dodge.DisplayInventory
import Dodge.Euse
import Dodge.Inventory.CheckSlots
import Dodge.Inventory.CloseObject
import Dodge.ItEffect
import Dodge.Reloading
import Dodge.SelectionSections
import Geometry
import qualified IntMapHelp as IM
import LensHelp
import ListHelp
--import Padding
-- TODO check what happens to selection index when dropping non-selected items
-- | after this the item at the inventory position will no longer exist
rmInvItem ::
-- | Creature id
Int ->
-- | Inventory position
Int ->
World ->
World
rmInvItem cid invid w = case w ^? getcid . crInv . ix invid . itUse . useAmount of
Just x
| x > 1 ->
w & pointcid . crInv . ix invid . itUse . useAmount -~ 1
& worldEventFlags . at InventoryChange ?~ ()
_ ->
w
& pointcid %~ crCancelReloading
& doanyitemeffect
& dounequipfunction --the ordering of these is
& pointcid . crInv %~ f -- important
& removeAnySlotEquipment
& pointcid . crEquipment . each %~ g
& pointcid . crInvEquipped %~ IM.delete invid
& pointcid . crInvEquipped %~ IM.mapKeys g
& removeanyactivation
& pointcid . crHotkeys . each %~ g
& pointcid . crInvHotkeys %~ IM.delete invid
& pointcid . crInvHotkeys %~ IM.mapKeys g
& updateselection
& worldEventFlags . at InventoryChange ?~ ()
where
getcid = cWorld . lWorld . creatures . ix cid
pointcid = cWorld . lWorld . creatures . ix cid
updateselection
| cid == 0 && cr ^? crManipulation . manObject . inInventory . ispItem == Just invid =
scrollAugInvSel (-1) . scrollAugInvSel 1 . updateInventorySectionItems
| otherwise =
pointcid . crManipulation . manObject . inInventory . ispItem %~ g
cr = w ^?! cWorld . lWorld . creatures . ix cid
itm = _crInv cr IM.! invid
dounequipfunction = fromMaybe id $ do
rmf <- itm ^? itUse . equipEffect . eeOnRemove
return $ useE rmf itm cr
doanyitemeffect = fromMaybe id $ do
rmf <- itm ^? itEffect . ieOnDrop
return $ doInvEffect rmf itm cr
removeAnySlotEquipment = fromMaybe id $ do
epos <- w ^? cWorld . lWorld . creatures . ix cid . crInvEquipped . ix invid
return $ pointcid . crEquipment . at epos .~ Nothing
removeanyactivation = fromMaybe id $ do
epos <- w ^? cWorld . lWorld . creatures . ix cid . crInvHotkeys . ix invid
return $ pointcid . crHotkeys . at epos .~ Nothing
maxk = fmap fst $ IM.lookupMax $ cr ^. crInv
f inv =
let (xs, ys) = IM.split invid inv
in xs `IM.union` IM.mapKeysMonotonic (subtract 1) ys
-- the following might not work if a non-player creature drops their last item
g x
| x > invid || Just x == maxk = max 0 $ x - 1
| otherwise = x
rmSelectedInvItem :: Int -> World -> World
rmSelectedInvItem cid w = case w ^? cWorld . lWorld . creatures . ix cid . crManipulation . manObject . inInventory . ispItem of
Just i -> rmInvItem cid i w
Nothing -> w
-- this looks ugly...
updateCloseObjects :: World -> World
updateCloseObjects w =
w
& hud . closeObjects .~ newcloseobjects
& updatecursorposifnecessary
where
newcloseobjects = unionBy closeObjEq oldCloseFiltered currentClose
updatecursorposifnecessary =
case w ^? cWorld . lWorld . creatures . ix 0 . crManipulation . manObject . inNearby . ispCloseObject of
Just i
| i >= length newcloseobjects -> scrollAugInvSel 1
| isNothing (w ^? hud . hudElement . diSections . sssSections . ix 3 . ssItems . ix i) ->
scrollAugInvSel (-1)
_ -> id
filt = filter $ \obj -> dist ypos (closeObjPos obj) < 40 && hasButtonLOS ypos (closeObjPos obj) w
ypos = _crPos $ you w
activeButtons =
map Right
. filter ((/=) BtNoLabel . _btState)
. IM.elems
$ w ^. cWorld . lWorld . buttons
currentClose = filt $ map Left (IM.elems $ w ^. cWorld . lWorld . floorItems) ++ activeButtons
oldClose = filt $ mapMaybe updatebyid $ w ^. hud . closeObjects
oldCloseFiltered = intersectBy closeObjEq oldClose currentClose
updatebyid (Left flid) = fmap Left $ w ^? cWorld . lWorld . floorItems . ix (_flItID flid)
updatebyid (Right btid) = fmap Right $ w ^? cWorld . lWorld . buttons . ix (_btID btid)
--closeObjScrollDir :: Float -> World -> World
--closeObjScrollDir x
-- | x > 0 = over (hud . closeObjects) rotU
-- | x < 0 = over (hud . closeObjects) rotD
-- | otherwise = id
changeSwapSel :: Int -> World -> World
changeSwapSel yi w
| yi == 0 = w
| yi > 0 = foldr ($) w $ replicate yi (changeSwapWith $ f IM.cycleLT)
| otherwise = foldr ($) w $ replicate (negate yi) (changeSwapWith $ f IM.cycleGT)
where
f g i m = fst <$> g i m
changeSwapClose ::
(Int -> IM.IntMap (SelectionItem ()) -> Maybe Int) ->
Int ->
World ->
World
changeSwapClose f i w = fromMaybe w $ do
ss <- w ^? hud . hudElement . diSections . sssSections . ix 3 . ssItems
k <- f i ss
return $
w
& cWorld . lWorld . creatures . ix 0 . crManipulation . manObject . inNearby . ispCloseObject
.~ k
& hud . closeObjects %~ swapIndices i k
& hud . hudElement . diSections . sssExtra . sssSelPos . _Just . _2 .~ k
& worldEventFlags . at InventoryChange ?~ ()
changeSwapInv ::
(Int -> IM.IntMap (SelectionItem ()) -> Maybe Int) ->
Int ->
World ->
World
changeSwapInv f i w = fromMaybe w $ do
ss <- w ^? hud . hudElement . diSections . sssSections . ix 0 . ssItems
k <- f i ss
return $
w & cWorld . lWorld . creatures . ix 0 %~ updatecreature k
& hud . hudElement . diSections . sssExtra . sssSelPos . _Just . _2 .~ k
& worldEventFlags . at InventoryChange ?~ ()
where
-- updateLeftInvSel k li
-- | i == li = k
-- | k == li = i
-- | otherwise = li
updatecreature k =
(crInv %~ IM.safeSwapKeys i k)
-- . (crLeftInvSel . lisMPos . _Just %~ updateLeftInvSel k)
. (crManipulation . manObject . inInventory . ispItem .~ k)
. (crInvEquipped %~ IM.safeSwapKeys i k)
. swapSite i k
. swapSite k i
. (crInvHotkeys %~ IM.safeSwapKeys i k)
. swapSite' i k
. swapSite' k i
cr = you w
swapSite a b = case cr ^? crInvEquipped . ix a of
Just epos -> crEquipment . ix epos .~ b
Nothing -> id
swapSite' a b = case cr ^? crInvHotkeys . ix a of
Just epos -> crHotkeys . ix epos .~ b
Nothing -> id
changeSwapWith :: (Int -> IM.IntMap (SelectionItem ()) -> Maybe Int) -> World -> World
changeSwapWith f w = case w ^? hud . hudElement . diSections . sssExtra . sssSelPos . _Just of
Just (0, i) -> w & changeSwapInv f i
Just (3, i) -> w & changeSwapClose f i
_ -> w
scrollAugInvSel :: Int -> World -> World
scrollAugInvSel yi w
| yi == 0 = w
| otherwise =
w & hud . hudElement . diSections %~ scrollSelectionSections yi
& worldEventFlags . at InventoryChange ?~ ()
& setInvPosFromSS
setInvPosFromSS :: World -> World
setInvPosFromSS w =
w
& cWorld . lWorld . creatures . ix 0 . crManipulation . manObject .~ thesel
where
thesel = fromMaybe SelNothing $ do
sss <- w ^? hud . hudElement . diSections
(i, j) <- sss ^? sssExtra . sssSelPos . _Just
case i of
(-1) -> Just $ InInventory SortInventory
0 -> Just $ InInventory (SelItem j NoInvSelAction)
1 -> Just SelNothing
2 -> Just $ InNearby SortNearby
3 -> Just $ InNearby $ SelCloseObject j
_ -> error "selection out of bounds"
selectedCloseObject :: World -> Maybe (Either FloorItem Button)
selectedCloseObject w = do
i <-
you w ^? crManipulation . manObject . inNearby . ispCloseObject
<|> fmap fst (IM.lookupMin =<< w ^? hud . hudElement . diSections . sssSections . ix 3 . ssItems)
w ^? hud . closeObjects . ix i