From f6e32ff6efe221064921f4ca2c62582cec78ff8a Mon Sep 17 00:00:00 2001
From: justin <justin.g.kruger@gmail.com>
Date: Sun, 20 Oct 2024 11:32:37 +0100
Subject: [PATCH] Allow dragging of selected items in inventory

---
 ghcidOutput                    |  21 ++-
 src/Dodge/Data/HUD.hs          |  17 ++-
 src/Dodge/Inventory.hs         |  17 ++-
 src/Dodge/SelectionSections.hs |  29 ++++
 src/Dodge/TestString.hs        |   9 +-
 src/Dodge/Update.hs            |  70 +++++++--
 tags                           | 254 +++++++++++++++++----------------
 7 files changed, 259 insertions(+), 158 deletions(-)

diff --git a/ghcidOutput b/ghcidOutput
index d980aa1d2..6c267eaa6 100644
--- a/ghcidOutput
+++ b/ghcidOutput
@@ -1 +1,20 @@
-All good (597 modules, at 12:38:41)
+/home/justin/Haskell/loop/src/Dodge/Update.hs:319:30-33: warning: [-Wunused-matches]
+    Defined but not used: ‘ssel’
+    |
+319 |         Just (MouseInvChosen ssel esel) -> w
+    |                              ^^^^
+/home/justin/Haskell/loop/src/Dodge/Update.hs:319:35-38: warning: [-Wunused-matches]
+    Defined but not used: ‘esel’
+    |
+319 |         Just (MouseInvChosen ssel esel) -> w
+    |                                   ^^^^
+/home/justin/Haskell/loop/src/Dodge/Update.hs:341:38: warning: [-Wunused-matches]
+    Defined but not used: ‘k’
+    |
+341 | shiftInvItemsUp (_,i) (_,j) (Just (_,k)) w = w
+    |                                      ^
+/home/justin/Haskell/loop/src/Dodge/Update.hs:351:40: warning: [-Wunused-matches]
+    Defined but not used: ‘k’
+    |
+351 | shiftInvItemsDown (_,i) (_,j) (Just (_,k)) w = w
+    |                                        ^
diff --git a/src/Dodge/Data/HUD.hs b/src/Dodge/Data/HUD.hs
index 0d68b9ce3..1946a4dff 100644
--- a/src/Dodge/Data/HUD.hs
+++ b/src/Dodge/Data/HUD.hs
@@ -19,19 +19,22 @@ data HUDElement
         }
     | DisplayCarte
 
-data MouseInventorySelection = NoMouseSel
-        | MouseInvSelect 
-            {_misSelStart :: (Int,Int), _misMaybeEnd :: Maybe (Int,Int)}
-        | MouseInvChosen 
-            {_misChosenStart :: (Int,Int), _misChosenEnd :: (Int,Int)}
+data MouseInventorySelection
+    = NoMouseSel
+    | MouseInvSelect
+        {_misSelStart :: (Int, Int), _misMaybeEnd :: Maybe (Int, Int)}
+    | MouseInvChosen
+        { _misChosenStart :: (Int, Int)
+        , _misChosenEnd :: (Int, Int)
+        }
 
 data SubInventory
     = NoSubInventory
         { _nsSelected :: MouseInventorySelection
-        , _nsMouseOver :: Maybe (Int,Int)
+        , _nsMouseOver :: Maybe (Int, Int)
         }
     | ExamineInventory
-    | CombineInventory { _ciSections :: SelectionSections CombinableItem }
+    | CombineInventory {_ciSections :: SelectionSections CombinableItem}
     | LockedInventory
     | DisplayTerminal {_termID :: Int}
 
diff --git a/src/Dodge/Inventory.hs b/src/Dodge/Inventory.hs
index c32c9202d..323ee05b9 100644
--- a/src/Dodge/Inventory.hs
+++ b/src/Dodge/Inventory.hs
@@ -10,7 +10,8 @@ module Dodge.Inventory (
     crInvSize,
     selectedCloseObject,
     setInvPosFromSS,
-    module Dodge.Inventory.RBList
+    module Dodge.Inventory.RBList,
+    swapInvItems,
 ) where
 
 import NewInt
@@ -162,18 +163,22 @@ changeSwapClose f i w = fromMaybe w $ do
             & hud . hudElement . diSections . sssExtra . sssSelPos . _Just . _2 .~ k
             & worldEventFlags . at InventoryChange ?~ ()
 
-changeSwapInv ::
+-- can be specialised for when we know that item i is selected
+swapInvItems ::
     (Int -> IM.IntMap (SelectionItem ()) -> Maybe Int) ->
     Int ->
     World ->
     World
-changeSwapInv f i w = fromMaybe w $ do
+swapInvItems f i w = fromMaybe w $ do
     ss <- w ^? hud . hudElement . diSections . sssSections . ix 0 . ssItems
     k <- f i ss
+    let updateselection = case w ^? hud . hudElement . diSections . sssExtra . sssSelPos . _Just of
+            Just (0,j) | j == k -> hud . hudElement . diSections . sssExtra . sssSelPos . _Just . _2 .~ i
+            Just (0,j) | j == i -> hud . hudElement . diSections . sssExtra . sssSelPos . _Just . _2 .~ k
+            _ -> id
     return $
         w & cWorld . lWorld . creatures . ix 0 %~ updatecreature k
---            & cWorld . lWorld . creatures . ix 0 %~ updateRootItemID
-            & hud . hudElement . diSections . sssExtra . sssSelPos . _Just . _2 .~ k
+            & updateselection
             & worldEventFlags . at InventoryChange ?~ ()
         & cWorld . lWorld %~ crUpdateItemLocations 0
              & setInvPosFromSS
@@ -199,7 +204,7 @@ changeSwapInv f i w = fromMaybe w $ do
 
 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 (0, i) -> w & swapInvItems f i
     Just (3, i) -> w & changeSwapClose f i
     _ -> w
 
diff --git a/src/Dodge/SelectionSections.hs b/src/Dodge/SelectionSections.hs
index b254269b1..3033c8749 100644
--- a/src/Dodge/SelectionSections.hs
+++ b/src/Dodge/SelectionSections.hs
@@ -9,6 +9,8 @@ module Dodge.SelectionSections (
     inverseSelSecYint,
     posSelSecYint,
     inverseSelNumPos,
+    inverseSelBoundaryUp,
+    inverseSelBoundaryDown,
 ) where
 
 import Control.Monad
@@ -186,5 +188,32 @@ inverseSelNumPos ::
 inverseSelNumPos cfig ldp sss (V2 x y) =
     inverseSelSecYintXPosCheck cfig ldp x (posSelSecYint cfig ldp y) sss
 
+inverseSelBoundaryUp :: 
+    Configuration ->
+    ListDisplayParams ->
+    SelectionSections a ->
+    Point2 ->
+    Maybe (Int,Int)
+inverseSelBoundaryUp cfig ldp sss (V2 _ y)  = do
+    sel <- inverseSelSecYint (posSelSecYint cfig ldp y) sss
+    let mselup = inverseSelSecYint (posSelSecYint cfig ldp y - 1) sss
+    if Just sel == mselup
+        then return $ sel & _2 +~ 1
+        else return $ sel
+
+inverseSelBoundaryDown :: 
+    Configuration ->
+    ListDisplayParams ->
+    SelectionSections a ->
+    Point2 ->
+    Maybe (Int,Int)
+inverseSelBoundaryDown cfig ldp sss (V2 _ y)  = do
+    sel <- inverseSelSecYint (posSelSecYint cfig ldp y) sss
+    let mseldown = inverseSelSecYint (posSelSecYint cfig ldp y + 1) sss
+    if Just sel == mseldown
+        then return $ sel & _2 -~ 1
+        else return sel
+
+
 --getIthPos :: Int -> IM.IntMap (SelectionItem a) -> Int
 --getIthPos i sm = sum . fmap _siHeight . fst $ IM.split i sm
diff --git a/src/Dodge/TestString.hs b/src/Dodge/TestString.hs
index bf0f70b29..4826322fd 100644
--- a/src/Dodge/TestString.hs
+++ b/src/Dodge/TestString.hs
@@ -21,11 +21,10 @@ import Dodge.Data.Universe
 import qualified IntMapHelp as IM
 
 testStringInit :: Universe -> [String]
-testStringInit u = [
-    show $ u ^? uvWorld . hud . hudElement . subInventory . nsMouseOver . _Just]
-    <> map show (IM.elems (L.postscan (L.premap _siHeight L.sum)
-        $ fromMaybe mempty $ u ^? uvWorld . hud . hudElement . diSections . sssSections . ix 0 . ssItems)
-        )
+testStringInit u = [show $ u ^? uvWorld . hud . hudElement . subInventory . nsMouseOver . _Just]
+--    <> map show (IM.elems (L.postscan (L.premap _siHeight L.sum)
+--        $ fromMaybe mempty $ u ^? uvWorld . hud . hudElement . diSections . sssSections . ix 0 . ssItems)
+--        )
 --testStringInit u = [maybe mempty show $ u ^? uvWorld . cWorld . lWorld . projectiles . ix 0 . prjUpdates . ix 3 . pjuControllerID]
 --testStringInit u = (topTestPart u
 --    <>) $ map showh $ 
diff --git a/src/Dodge/Update.hs b/src/Dodge/Update.hs
index b8b21ae38..ae6c198f4 100644
--- a/src/Dodge/Update.hs
+++ b/src/Dodge/Update.hs
@@ -6,6 +6,7 @@ Description : Simulation update
 -}
 module Dodge.Update (updateUniverse) where
 
+import Dodge.Inventory
 import Dodge.ListDisplayParams
 import Dodge.SelectionSections
 import Data.Monoid
@@ -32,7 +33,6 @@ import Dodge.Distortion
 import Dodge.DrWdWd
 import Dodge.EnergyBall
 import Dodge.Flame
-import Dodge.Inventory
 import Dodge.Item.Location
 import Dodge.Laser.Update
 import Dodge.LightSource.Update
@@ -295,27 +295,67 @@ checkTermDist w = fromMaybe w $ do
     return (w & hud . hudElement . subInventory .~ NoSubInventory NoMouseSel Nothing)
 
 updateMouseInventorySelection :: Configuration -> World -> World
-updateMouseInventorySelection cfig w
+updateMouseInventorySelection cfig w = fromMaybe w $ do
+    sss <- w ^? hud . hudElement . diSections
+    return $ updateMouseInventorySelection' sss cfig w
+
+-- check whether leftclickstart evaluates to True on very short left clicks
+updateMouseInventorySelection' :: SelectionSections a -> Configuration -> World -> World
+updateMouseInventorySelection' sss cfig w
     | leftclickstart = case msel of
         Nothing -> fromMaybe w $ do
             ysel <- mysel
             return $ w & hud . hudElement . subInventory . nsSelected .~ MouseInvSelect ysel Nothing
-        Just (i,j) -> w & hud . hudElement . subInventory . nsSelected .~
-            MouseInvChosen (i,j) (i,j)
-    | leftclickheld = w
-    | otherwise = w
+        Just p -> w & hud . hudElement . subInventory . nsSelected %~ startdrag p
+    | leftclickheld = case w ^? hud . hudElement . subInventory . nsSelected of
+        Just MouseInvSelect{} -> w 
+            & hud . hudElement . subInventory . nsSelected . misMaybeEnd .~ msel
+        Just (MouseInvChosen ssel esel)
+            | maybe False (<ssel) $ inverseSelBoundaryUp cfig ldp sss mpos -> w
+                & shiftInvItemsUp ssel esel (inverseSelBoundaryUp cfig ldp sss mpos)
+        Just (MouseInvChosen ssel esel)
+            | maybe False (>esel) $ inverseSelBoundaryDown cfig ldp sss mpos -> w
+                & shiftInvItemsDown ssel esel (inverseSelBoundaryDown cfig ldp sss mpos)
+        Just (MouseInvChosen ssel esel) -> w
+        _ -> w
+            & hud . hudElement . subInventory . nsSelected .~ NoMouseSel
+    | otherwise = case w ^? hud . hudElement . subInventory . nsSelected of
+        Just (MouseInvSelect ssel (Just esel)) -> w
+            & hud . hudElement . subInventory . nsSelected .~ MouseInvChosen (min ssel esel)
+                (max ssel esel)
+        Just (MouseInvSelect _ Nothing) -> w
+            & hud . hudElement . subInventory . nsSelected .~ NoMouseSel
+        _ -> w
   where
-    leftclickstart = w ^? input . mouseButtons . ix ButtonLeft == Just 0
-    leftclickheld = ButtonLeft `M.member` (w ^. input . mouseButtons)
+    startdrag p (MouseInvChosen s e) | s <= p && p <= e =  MouseInvChosen s e
+    startdrag p _ = MouseInvChosen p p
+    leftclickstart = w ^? input . mouseButtons . ix ButtonLeft == Just 0 && nobuttonright
+    leftclickheld = ButtonLeft `M.member` (w ^. input . mouseButtons) && nobuttonright
+    nobuttonright = not $ ButtonRight `M.member` (w ^. input . mouseButtons)
     mpos = w ^. input . mousePos
     ldp = invDisplayParams w
-    msel = do
-        sss <- msss
-        inverseSelNumPos cfig ldp sss (w ^. input . mousePos)
-    mysel = do
-        sss <- msss
-        inverseSelSecYint (posSelSecYint cfig ldp (mpos ^. _y)) sss
-    msss = w ^? hud . hudElement . diSections
+    msel = inverseSelNumPos cfig ldp sss (w ^. input . mousePos)
+    mysel = inverseSelSecYint (posSelSecYint cfig ldp (mpos ^. _y)) sss
+
+shiftInvItemsUp :: (Int,Int) -> (Int,Int) -> Maybe (Int,Int) -> World -> World
+shiftInvItemsUp (_,i) (_,j) (Just (_,k)) w = w
+    & flip (foldl' f) [i..j]
+    & hud . hudElement . subInventory . nsSelected . misChosenStart . _2 -~ 1
+    & hud . hudElement . subInventory . nsSelected . misChosenEnd . _2 -~ 1
+  where
+    f w' i' = swapInvItems g i' w'
+    g i' m = fmap fst $ IM.cycleLT i' m
+shiftInvItemsUp _ _ Nothing w = w
+
+shiftInvItemsDown :: (Int,Int) -> (Int,Int) -> Maybe (Int,Int) -> World -> World
+shiftInvItemsDown (_,i) (_,j) (Just (_,k)) w = w
+    & flip (foldl' f) (reverse [i..j])
+    & hud . hudElement . subInventory . nsSelected . misChosenStart . _2 +~ 1
+    & hud . hudElement . subInventory . nsSelected . misChosenEnd . _2 +~ 1
+  where
+    f w' i' = swapInvItems g i' w'
+    g i' m = fmap fst $ IM.cycleGT i' m
+shiftInvItemsDown _ _ Nothing w = w
 
 updateMouseOverInventory :: Configuration -> World -> World
 updateMouseOverInventory cfig w = fromMaybe w $ do
diff --git a/tags b/tags
index 3f7c8a583..9fbd7eb7b 100644
--- a/tags
+++ b/tags
@@ -333,7 +333,7 @@ Combinations	src/Dodge/Combine/Combinations.hs	3;"	m
 Combine	src/Dodge/Combine.hs	2;"	m
 Combine	src/Dodge/Data/Combine.hs	2;"	m
 Combine	src/Dodge/Data/Item/Combine.hs	6;"	m
-CombineInventory	src/Dodge/Data/HUD.hs	34;"	C
+CombineInventory	src/Dodge/Data/HUD.hs	37;"	C
 CombineInventoryChange	src/Dodge/Data/World.hs	34;"	C
 Common	src/Dodge/Zoning/Common.hs	1;"	m
 Compile	src/Shader/Compile.hs	1;"	m
@@ -513,7 +513,7 @@ Display	src/Dodge/Item/Display.hs	1;"	m
 DisplayCarte	src/Dodge/Data/HUD.hs	20;"	C
 DisplayInventory	src/Dodge/Data/HUD.hs	16;"	C
 DisplayInventory	src/Dodge/DisplayInventory.hs	5;"	m
-DisplayTerminal	src/Dodge/Data/HUD.hs	36;"	C
+DisplayTerminal	src/Dodge/Data/HUD.hs	39;"	C
 Distortion	src/Dodge/Data/Distortion.hs	12;"	t
 Distortion	src/Dodge/Data/Distortion.hs	6;"	m
 Distortion	src/Dodge/Distortion.hs	1;"	m
@@ -658,7 +658,7 @@ Euse	src/Dodge/Data/Item/HeldUse.hs	20;"	t
 Euse	src/Dodge/Euse.hs	1;"	m
 Event	src/Dodge/Button/Event.hs	1;"	m
 Event	src/Dodge/Event.hs	14;"	m
-ExamineInventory	src/Dodge/Data/HUD.hs	33;"	C
+ExamineInventory	src/Dodge/Data/HUD.hs	36;"	C
 Explore	src/Dodge/Data/Scenario.hs	4;"	C
 Explosion	src/Dodge/Data/SoundOrigin.hs	36;"	C
 Explosion	src/Dodge/WorldEvent/Explosion.hs	4;"	m
@@ -816,7 +816,7 @@ HELD	src/Dodge/Data/Item/Combine.hs	16;"	C
 HELDDETECTOR	src/Dodge/Data/Item/Combine.hs	162;"	C
 HOMINGMODULE	src/Dodge/Data/Item/Combine.hs	82;"	C
 HOSE	src/Dodge/Data/Item/Combine.hs	32;"	C
-HUD	src/Dodge/Data/HUD.hs	40;"	t
+HUD	src/Dodge/Data/HUD.hs	43;"	t
 HUD	src/Dodge/Data/HUD.hs	6;"	m
 HUD	src/Dodge/Render/HUD.hs	3;"	m
 HUDElement	src/Dodge/Data/HUD.hs	15;"	t
@@ -1072,7 +1072,7 @@ Location	src/Dodge/Item/Location.hs	1;"	m
 LocationLDT	src/Dodge/Data/DoubleTree.hs	62;"	t
 Lock	src/Dodge/Inventory/Lock.hs	1;"	m
 LockAndKey	src/Dodge/LockAndKey.hs	1;"	m
-LockedInventory	src/Dodge/Data/HUD.hs	35;"	C
+LockedInventory	src/Dodge/Data/HUD.hs	38;"	C
 LoneWolf	src/Dodge/Data/Creature/State.hs	46;"	C
 LongAI	src/Dodge/Data/Creature/Misc.hs	60;"	C
 LongDoor	src/Dodge/Room/LongDoor.hs	2;"	m
@@ -1184,8 +1184,8 @@ MountedLS	src/Dodge/Data/MountedObject.hs	12;"	C
 MountedObject	src/Dodge/Data/MountedObject.hs	11;"	t
 MountedObject	src/Dodge/Data/MountedObject.hs	6;"	m
 MountedProp	src/Dodge/Data/MountedObject.hs	13;"	C
-MouseInvChosen	src/Dodge/Data/HUD.hs	25;"	C
-MouseInvSelect	src/Dodge/Data/HUD.hs	23;"	C
+MouseInvChosen	src/Dodge/Data/HUD.hs	26;"	C
+MouseInvSelect	src/Dodge/Data/HUD.hs	24;"	C
 MouseInventorySelection	src/Dodge/Data/HUD.hs	22;"	t
 Mouse_position	src/Dodge/Data/Config.hs	73;"	C
 Move	src/Dodge/Data/ActionPlan.hs	28;"	C
@@ -1253,7 +1253,7 @@ NoIntImp	src/Dodge/Data/CreatureEffect.hs	20;"	C
 NoInvEffect	src/Dodge/Data/Item/Effect.hs	20;"	C
 NoItTargeting	src/Dodge/Data/Item.hs	44;"	C
 NoLighting	src/Dodge/Data/Config.hs	102;"	C
-NoMouseSel	src/Dodge/Data/HUD.hs	22;"	C
+NoMouseSel	src/Dodge/Data/HUD.hs	23;"	C
 NoMvType	src/Dodge/Data/Creature/Misc.hs	38;"	C
 NoNeedWeapon	src/Dodge/Room/NoNeedWeapon.hs	2;"	m
 NoObjShads	src/Dodge/Data/Config.hs	100;"	C
@@ -1264,7 +1264,7 @@ NoRightButtonOptions	src/Dodge/Data/RightButtonOptions.hs	14;"	C
 NoRoomClipBoundaries	src/Dodge/Data/Config.hs	105;"	C
 NoShadowFidelity	src/Shape/Data.hs	25;"	C
 NoShadows	src/Dodge/Data/Config.hs	101;"	C
-NoSubInventory	src/Dodge/Data/HUD.hs	29;"	C
+NoSubInventory	src/Dodge/Data/HUD.hs	32;"	C
 NoWorldEffect	src/Dodge/Data/WorldEffect.hs	24;"	C
 Noclip	src/Dodge/Data/Config.hs	70;"	C
 NodeMTree	src/Dodge/Tree/Compose/Data.hs	9;"	C
@@ -1809,7 +1809,7 @@ Strategy	src/Dodge/Creature/Strategy.hs	1;"	m
 StrategyActions	src/Dodge/Data/ActionPlan.hs	188;"	C
 StrictHelp	src/StrictHelp.hs	1;"	m
 StringHelp	src/StringHelp.hs	1;"	m
-SubInventory	src/Dodge/Data/HUD.hs	28;"	t
+SubInventory	src/Dodge/Data/HUD.hs	31;"	t
 Superfluous	src/Shape/Data.hs	38;"	C
 Surface	src/Shape/Data.hs	41;"	t
 Survive	src/Dodge/Data/Scenario.hs	5;"	C
@@ -2274,15 +2274,15 @@ _camViewDistance	src/Dodge/Data/Camera.hs	30;"	f
 _camViewFrom	src/Dodge/Data/Camera.hs	29;"	f
 _camZoom	src/Dodge/Data/Camera.hs	26;"	f
 _carriage	src/Dodge/Data/Creature/Stance.hs	14;"	f
-_carteCenter	src/Dodge/Data/HUD.hs	42;"	f
-_carteRot	src/Dodge/Data/HUD.hs	44;"	f
-_carteZoom	src/Dodge/Data/HUD.hs	43;"	f
+_carteCenter	src/Dodge/Data/HUD.hs	45;"	f
+_carteRot	src/Dodge/Data/HUD.hs	47;"	f
+_carteZoom	src/Dodge/Data/HUD.hs	46;"	f
 _ceSideEffect	src/Dodge/Data/Universe.hs	62;"	f
 _ceString	src/Dodge/Data/Universe.hs	63;"	f
 _ciInfo	src/Dodge/Data/Combine.hs	8;"	f
 _ciInvIDs	src/Dodge/Data/Combine.hs	6;"	f
 _ciItem	src/Dodge/Data/Combine.hs	7;"	f
-_ciSections	src/Dodge/Data/HUD.hs	34;"	f
+_ciSections	src/Dodge/Data/HUD.hs	37;"	f
 _cigType	src/Dodge/Data/Camera.hs	19;"	f
 _clAlt	src/Dodge/Data/Cloud.hs	23;"	f
 _clPict	src/Dodge/Data/Cloud.hs	21;"	f
@@ -2306,7 +2306,7 @@ _cldtUp	src/Dodge/Data/DoubleTree.hs	46;"	f
 _cldtUp	src/Dodge/Data/DoubleTree.hs	54;"	f
 _clickPos	src/Dodge/Data/Input.hs	26;"	f
 _clickWorldPos	src/Dodge/Data/Input.hs	28;"	f
-_closeObjects	src/Dodge/Data/HUD.hs	45;"	f
+_closeObjects	src/Dodge/Data/HUD.hs	48;"	f
 _cloudEBO	src/Data/Preload/Render.hs	49;"	f
 _cloudShader	src/Data/Preload/Render.hs	48;"	f
 _cloudVBO	src/Data/Preload/Render.hs	47;"	f
@@ -2585,7 +2585,7 @@ _heldPos	src/Dodge/Data/Input.hs	27;"	f
 _heldTriggerType	src/Dodge/Data/Item/Use.hs	42;"	f
 _heldWorldPos	src/Dodge/Data/Input.hs	29;"	f
 _hud	src/Dodge/Data/World.hs	47;"	f
-_hudElement	src/Dodge/Data/HUD.hs	41;"	f
+_hudElement	src/Dodge/Data/HUD.hs	44;"	f
 _humanoidAI	src/Dodge/Data/Creature/Misc.hs	69;"	f
 _iaLoaded	src/Dodge/Data/Item/Use/Consumption.hs	22;"	f
 _iaMax	src/Dodge/Data/Item/Use/Consumption.hs	21;"	f
@@ -2739,10 +2739,10 @@ _mgField	src/Dodge/Data/Magnet.hs	25;"	f
 _mgID	src/Dodge/Data/Magnet.hs	22;"	f
 _mgPos	src/Dodge/Data/Magnet.hs	24;"	f
 _mgUpdate	src/Dodge/Data/Magnet.hs	23;"	f
-_misChosenEnd	src/Dodge/Data/HUD.hs	26;"	f
-_misChosenStart	src/Dodge/Data/HUD.hs	26;"	f
-_misMaybeEnd	src/Dodge/Data/HUD.hs	24;"	f
-_misSelStart	src/Dodge/Data/HUD.hs	24;"	f
+_misChosenEnd	src/Dodge/Data/HUD.hs	28;"	f
+_misChosenStart	src/Dodge/Data/HUD.hs	27;"	f
+_misMaybeEnd	src/Dodge/Data/HUD.hs	25;"	f
+_misSelStart	src/Dodge/Data/HUD.hs	25;"	f
 _moEff	src/Dodge/Data/Universe.hs	101;"	f
 _moEff1	src/Dodge/Data/Universe.hs	105;"	f
 _moEff2	src/Dodge/Data/Universe.hs	106;"	f
@@ -2774,8 +2774,8 @@ _newArcStep	src/Dodge/Data/Item/Params.hs	25;"	f
 _nodeMetaTree	src/Dodge/Tree/Compose/Data.hs	9;"	f
 _nodeTree	src/Dodge/Tree/Compose/Data.hs	9;"	f
 _nodesSearched	src/Dodge/Data/Creature/Memory.hs	15;"	f
-_nsMouseOver	src/Dodge/Data/HUD.hs	31;"	f
-_nsSelected	src/Dodge/Data/HUD.hs	30;"	f
+_nsMouseOver	src/Dodge/Data/HUD.hs	34;"	f
+_nsSelected	src/Dodge/Data/HUD.hs	33;"	f
 _numLinkEW	src/Dodge/Data/Room.hs	33;"	f
 _numLinkNS	src/Dodge/Data/Room.hs	34;"	f
 _numberFloorVerxs	src/Dodge/Data/CWorld.hs	32;"	f
@@ -3103,7 +3103,7 @@ _tcEffect	src/Dodge/Data/Terminal.hs	118;"	f
 _tcHelp	src/Dodge/Data/Terminal.hs	117;"	f
 _tcString	src/Dodge/Data/Terminal.hs	115;"	f
 _tempLightSources	src/Dodge/Data/LWorld.hs	138;"	f
-_termID	src/Dodge/Data/HUD.hs	36;"	f
+_termID	src/Dodge/Data/HUD.hs	39;"	f
 _terminals	src/Dodge/Data/LWorld.hs	123;"	f
 _teslaArcs	src/Dodge/Data/LWorld.hs	113;"	f
 _testFloat	src/Dodge/Data/World.hs	45;"	f
@@ -3326,7 +3326,7 @@ addToTrunk	src/TreeHelp.hs	156;"	f
 addWarningTerminal	src/Dodge/Room/Warning.hs	37;"	f
 addZ	src/Geometry/Vector3D.hs	89;"	f
 adjustIMZone	src/Dodge/Base.hs	77;"	f
-advanceScrollAmount	src/Dodge/Update.hs	335;"	f
+advanceScrollAmount	src/Dodge/Update.hs	375;"	f
 advanceSmoothScroll	src/Dodge/SmoothScroll.hs	29;"	f
 advanceStepCounter	src/Dodge/Creature/Impulse/Movement.hs	45;"	f
 aimDelaySweep	src/Dodge/Render/ShapePicture.hs	56;"	f
@@ -3538,6 +3538,7 @@ calcSmoothScroll	src/Dodge/SmoothScroll.hs	7;"	f
 calcTexCoord	src/Tile.hs	17;"	f
 canSee	src/Dodge/Base/Collide.hs	228;"	f
 canSeeIndirect	src/Dodge/Base/Collide.hs	235;"	f
+cardEightVec	src/Dodge/Base/CardinalPoint.hs	16;"	f
 cardList	src/Dodge/Base/CardinalPoint.hs	6;"	f
 cardVec	src/Dodge/Base/CardinalPoint.hs	9;"	f
 cardinalVectors	src/Dodge/FloorItem.hs	39;"	f
@@ -3551,10 +3552,9 @@ centroidNum	src/Geometry/Polygon.hs	133;"	f
 chainCreatureUpdates	src/Dodge/Creature/ChainUpdates.hs	6;"	f
 chainLinkOrientation	src/Dodge/Creature/State.hs	182;"	f
 chainPairs	src/Geometry.hs	363;"	f
-changeSwapClose	src/Dodge/Inventory.hs	149;"	f
-changeSwapInv	src/Dodge/Inventory.hs	165;"	f
-changeSwapSel	src/Dodge/Inventory.hs	141;"	f
-changeSwapWith	src/Dodge/Inventory.hs	200;"	f
+changeSwapClose	src/Dodge/Inventory.hs	150;"	f
+changeSwapSel	src/Dodge/Inventory.hs	142;"	f
+changeSwapWith	src/Dodge/Inventory.hs	205;"	f
 charToTuple	src/Picture/Base.hs	317;"	f
 charToTupleGrad	src/Picture/Text.hs	18;"	f
 chargeIfEquipped	src/Dodge/ItEffect.hs	54;"	f
@@ -3567,7 +3567,7 @@ chaseCritPerceptionUpdate	src/Dodge/Creature/Perception.hs	30;"	f
 chaseCritVocalization	src/Dodge/Creature/ChaseCrit.hs	46;"	f
 checkBlockHP	src/Dodge/Block.hs	46;"	f
 checkDeath	src/Dodge/Creature/State.hs	74;"	f
-checkEndGame	src/Dodge/Update.hs	617;"	f
+checkEndGame	src/Dodge/Update.hs	657;"	f
 checkErrorGL	src/Shader/Compile.hs	255;"	f
 checkFBO	src/Framebuffer/Check.hs	6;"	f
 checkGLError	src/GLHelp.hs	17;"	f
@@ -3593,7 +3593,7 @@ circle	src/Picture/Base.hs	180;"	f
 circleDecoration	src/Dodge/Placement/TopDecoration.hs	56;"	f
 circleSolid	src/Picture/Base.hs	164;"	f
 circleSolidCol	src/Picture/Base.hs	168;"	f
-clClSpringVel	src/Dodge/Update.hs	670;"	f
+clClSpringVel	src/Dodge/Update.hs	710;"	f
 clZoneSize	src/Dodge/Zone/Size.hs	3;"	f
 clZoneSize	src/Dodge/Zoning/Cloud.hs	21;"	f
 clampPath	src/Dodge/Room/Procedural.hs	165;"	f
@@ -3613,14 +3613,14 @@ clipZoom	src/Dodge/Update/Camera.hs	215;"	f
 clockCycle	src/Dodge/Clock.hs	9;"	f
 closeObjEq	src/Dodge/Inventory/CloseObject.hs	15;"	f
 closeObjPos	src/Dodge/Inventory/CloseObject.hs	10;"	f
-closeObjectInfo	src/Dodge/Render/HUD.hs	142;"	f
+closeObjectInfo	src/Dodge/Render/HUD.hs	143;"	f
 closeObjectToSelectionItem	src/Dodge/Inventory/SelectionList.hs	54;"	f
 closeObjectToTextPictures	src/Dodge/Inventory/SelectionList.hs	69;"	f
 closestCreatureID	src/Dodge/Debug.hs	91;"	f
 closestPointOnLine	src/Geometry/Intersect.hs	251;"	f
 closestPointOnLineParam	src/Geometry/Intersect.hs	267;"	f
 closestPointOnSeg	src/Geometry/Intersect.hs	282;"	f
-cloudEffect	src/Dodge/Update.hs	640;"	f
+cloudEffect	src/Dodge/Update.hs	680;"	f
 cloudPoisonDamage	src/Dodge/Update/Cloud.hs	9;"	f
 clsNearCirc	src/Dodge/Zoning/Cloud.hs	18;"	f
 clsNearPoint	src/Dodge/Zoning/Cloud.hs	9;"	f
@@ -3649,7 +3649,7 @@ combinationsOf	src/Multiset.hs	40;"	f
 combinationsTrie	src/Dodge/Combine.hs	41;"	f
 combineAwareness	src/Dodge/Creature/Perception.hs	109;"	f
 combineFloors	src/Dodge/Room/Procedural.hs	171;"	f
-combineInventoryExtra	src/Dodge/Render/HUD.hs	231;"	f
+combineInventoryExtra	src/Dodge/Render/HUD.hs	232;"	f
 combineItemListYouX	src/Dodge/Combine.hs	33;"	f
 combineList	src/Dodge/Combine.hs	20;"	f
 combineRooms	src/Dodge/Room/Procedural.hs	151;"	f
@@ -3690,7 +3690,7 @@ crAdd	src/Dodge/Room/RezBox.hs	102;"	f
 crAwayFromPost	src/Dodge/Creature/Test.hs	77;"	f
 crBlips	src/Dodge/RadarSweep.hs	69;"	f
 crCanSeeCr	src/Dodge/Creature/Test.hs	48;"	f
-crCrSpring	src/Dodge/Update.hs	688;"	f
+crCrSpring	src/Dodge/Update.hs	728;"	f
 crCurrentEquipment	src/Dodge/Creature/Statistics.hs	28;"	f
 crDisplayAwareness	src/Dodge/Creature/Picture/Awareness.hs	37;"	f
 crDisplayVigilance	src/Dodge/Creature/Picture/Awareness.hs	51;"	f
@@ -3710,7 +3710,7 @@ crNearPoint	src/Dodge/Creature/Test.hs	135;"	f
 crNumFreeSlots	src/Dodge/Inventory/CheckSlots.hs	35;"	f
 crOnWall	src/Dodge/WallCreatureCollisions.hs	84;"	f
 crSafeDistFromTarg	src/Dodge/Creature/Test.hs	67;"	f
-crSpring	src/Dodge/Update.hs	683;"	f
+crSpring	src/Dodge/Update.hs	723;"	f
 crStratConMatches	src/Dodge/Creature/Test.hs	72;"	f
 crUpdate	src/Dodge/Creature/State.hs	61;"	f
 crUpdateInvidLocations	src/Dodge/Inventory/Location.hs	50;"	f
@@ -3933,7 +3933,7 @@ denormalEdges	src/Polyhedra.hs	135;"	f
 destroyAt	src/Dodge/Bullet.hs	201;"	f
 destroyBlock	src/Dodge/Block.hs	51;"	f
 destroyDoor	src/Dodge/Block.hs	79;"	f
-destroyInvItem	src/Dodge/Inventory.hs	40;"	f
+destroyInvItem	src/Dodge/Inventory.hs	41;"	f
 destroyLS	src/Dodge/LightSource.hs	91;"	f
 destroyLSFlashAt	src/Dodge/LightSource.hs	101;"	f
 destroyMachine	src/Dodge/Machine/Destroy.hs	12;"	f
@@ -3963,8 +3963,8 @@ displayConfig	src/Dodge/Menu.hs	196;"	f
 displayControls	src/Dodge/Menu.hs	206;"	f
 displayFrameTicks	src/Dodge/Render/Picture.hs	33;"	f
 displayFreeSlots	src/Dodge/DisplayInventory.hs	144;"	f
-displayTerminal	src/Dodge/Render/HUD.hs	258;"	f
-displayTerminalLineString	src/Dodge/Update.hs	363;"	f
+displayTerminal	src/Dodge/Render/HUD.hs	259;"	f
+displayTerminalLineString	src/Dodge/Update.hs	403;"	f
 dist	src/Geometry/Vector.hs	179;"	f
 dist3	src/Geometry/Vector3D.hs	101;"	f
 divTo	src/Geometry/Zone.hs	6;"	f
@@ -4047,7 +4047,7 @@ doWdCrCr	src/Dodge/CreatureEffect.hs	12;"	f
 doWdP2f	src/Dodge/WdP2f.hs	8;"	f
 doWdWd	src/Dodge/WorldEffect.hs	26;"	f
 doWeaponRepetitions	src/Dodge/HeldUse.hs	54;"	f
-doWorldEvents	src/Dodge/Update.hs	345;"	f
+doWorldEvents	src/Dodge/Update.hs	385;"	f
 doWorldPos	src/Dodge/WorldPos.hs	7;"	f
 door	src/Dodge/Room/Door.hs	13;"	f
 doorBetween	src/Dodge/Placement/Instance/Door.hs	39;"	f
@@ -4074,7 +4074,7 @@ drawCPUShadows	src/Dodge/Render/Shadow.hs	19;"	f
 drawCarte	src/Dodge/Render/HUD/Carte.hs	14;"	f
 drawCircFlare	src/Dodge/Flare.hs	25;"	f
 drawCollisionTest	src/Dodge/Debug/Picture.hs	103;"	f
-drawCombineInventory	src/Dodge/Render/HUD.hs	106;"	f
+drawCombineInventory	src/Dodge/Render/HUD.hs	107;"	f
 drawConcurrentMessage	src/Dodge/Render/Picture.hs	58;"	f
 drawCorpse	src/Dodge/Corpse/Draw.hs	6;"	f
 drawCrInfo	src/Dodge/Debug/Picture.hs	341;"	f
@@ -4084,13 +4084,13 @@ drawCross	src/Dodge/Render/Label.hs	24;"	f
 drawCrossCol	src/Dodge/Render/Label.hs	21;"	f
 drawCursorAt	src/Dodge/Render/List.hs	56;"	f
 drawDDATest	src/Dodge/Debug/Picture.hs	254;"	f
-drawDIMouseOver	src/Dodge/Render/HUD.hs	75;"	f
-drawDISelections	src/Dodge/Render/HUD.hs	88;"	f
+drawDIMouseOver	src/Dodge/Render/HUD.hs	76;"	f
+drawDISelections	src/Dodge/Render/HUD.hs	89;"	f
 drawDoorPaths	src/Dodge/Debug/Picture.hs	215;"	f
 drawDoubleLampCover	src/Dodge/Prop/Draw.hs	81;"	f
 drawEnergyBall	src/Dodge/EnergyBall/Draw.hs	8;"	f
 drawEquipment	src/Dodge/Creature/Picture.hs	140;"	f
-drawExamineInventory	src/Dodge/Render/HUD.hs	112;"	f
+drawExamineInventory	src/Dodge/Render/HUD.hs	113;"	f
 drawFarWallDetect	src/Dodge/Debug/Picture.hs	232;"	f
 drawFlame	src/Dodge/Flame/Draw.hs	7;"	f
 drawFlamelet	src/Dodge/EnergyBall/Draw.hs	23;"	f
@@ -4098,12 +4098,12 @@ drawFlare	src/Dodge/Flare.hs	12;"	f
 drawFooterText	src/Dodge/Render/MenuScreen.hs	65;"	f
 drawForceField	src/Dodge/Wall/Draw.hs	11;"	f
 drawGib	src/Dodge/Prop/Draw.hs	28;"	f
-drawHP	src/Dodge/Render/HUD.hs	50;"	f
-drawHUD	src/Dodge/Render/HUD.hs	42;"	f
+drawHP	src/Dodge/Render/HUD.hs	51;"	f
+drawHUD	src/Dodge/Render/HUD.hs	43;"	f
 drawInputMenu	src/Dodge/Render/MenuScreen.hs	18;"	f
 drawInspectWall	src/Dodge/Debug/Picture.hs	207;"	f
 drawInspectWalls	src/Dodge/Debug/Picture.hs	195;"	f
-drawInventory	src/Dodge/Render/HUD.hs	59;"	f
+drawInventory	src/Dodge/Render/HUD.hs	60;"	f
 drawLabCrossCol	src/Dodge/Render/Label.hs	8;"	f
 drawLampCover	src/Dodge/Prop/Draw.hs	44;"	f
 drawLaser	src/Dodge/Laser/Draw.hs	6;"	f
@@ -4131,7 +4131,7 @@ drawPointLabel	src/Dodge/Render/Label.hs	13;"	f
 drawProjectile	src/Dodge/Projectile/Draw.hs	13;"	f
 drawProp	src/Dodge/Prop/Draw.hs	15;"	f
 drawProp'	src/Dodge/Prop/Draw.hs	12;"	f
-drawRBOptions	src/Dodge/Render/HUD.hs	160;"	f
+drawRBOptions	src/Dodge/Render/HUD.hs	161;"	f
 drawRadarSweep	src/Dodge/RadarSweep/Draw.hs	7;"	f
 drawRemoteShell	src/Dodge/Projectile/Draw.hs	30;"	f
 drawSelectionCursor	src/Dodge/Render/List.hs	41;"	f
@@ -4145,7 +4145,7 @@ drawShell	src/Dodge/Projectile/Draw.hs	20;"	f
 drawShockwave	src/Dodge/Shockwave/Draw.hs	7;"	f
 drawSpark	src/Dodge/Spark/Draw.hs	6;"	f
 drawStaticBall	src/Dodge/EnergyBall/Draw.hs	14;"	f
-drawSubInventory	src/Dodge/Render/HUD.hs	98;"	f
+drawSubInventory	src/Dodge/Render/HUD.hs	99;"	f
 drawSweep	src/Dodge/Render/ShapePicture.hs	63;"	f
 drawSwitch	src/Dodge/Button/Draw.hs	15;"	f
 drawSwitchWire	src/Dodge/LevelGen/Switch.hs	28;"	f
@@ -4197,7 +4197,7 @@ encircleP	src/Dodge/Creature/Boid.hs	27;"	f
 enterCombineInv	src/Dodge/DisplayInventory.hs	239;"	f
 eqConstr	src/SameConstr.hs	17;"	f
 eqPosText	src/Dodge/Equipment/Text.hs	6;"	f
-equipAllocString	src/Dodge/Render/HUD.hs	203;"	f
+equipAllocString	src/Dodge/Render/HUD.hs	204;"	f
 equipInfo	src/Dodge/Item/Info.hs	103;"	f
 equipItemSPic	src/Dodge/Item/Draw/SPic.hs	65;"	f
 equipPosition	src/Dodge/Item/Draw.hs	29;"	f
@@ -4289,7 +4289,7 @@ flockPointTarget	src/Dodge/Creature/Boid.hs	199;"	f
 flockPointTargetR	src/Dodge/Creature/Boid.hs	266;"	f
 flockToPointUsing	src/Dodge/Creature/Boid.hs	214;"	f
 flockToPointUsing'	src/Dodge/Creature/Boid.hs	227;"	f
-floorItemPickupInfo	src/Dodge/Render/HUD.hs	147;"	f
+floorItemPickupInfo	src/Dodge/Render/HUD.hs	148;"	f
 floorItemSPic	src/Dodge/Render/ShapePicture.hs	165;"	f
 floorWire	src/Dodge/Wire.hs	13;"	f
 foamSprayFadeOutS	src/Dodge/SoundLogic/ExternallyGeneratedSounds.hs	398;"	f
@@ -4367,7 +4367,7 @@ getLaserColor	src/Dodge/HeldUse.hs	193;"	f
 getLaserDamage	src/Dodge/HeldUse.hs	190;"	f
 getLaserPhaseV	src/Dodge/HeldUse.hs	187;"	f
 getLinksOfType	src/Dodge/RoomLink.hs	39;"	f
-getMouseInvSel	src/Dodge/Render/HUD.hs	82;"	f
+getMouseInvSel	src/Dodge/Render/HUD.hs	83;"	f
 getNodePos	src/Dodge/Path.hs	31;"	f
 getPretty	src/AesonHelp.hs	7;"	f
 getPrettyShort	src/AesonHelp.hs	10;"	f
@@ -4556,7 +4556,7 @@ intsToPos	src/Dodge/Room/Modify/Girder.hs	160;"	f
 invAdj	src/Dodge/Item/Grammar.hs	181;"	f
 invDimColor	src/Dodge/DisplayInventory.hs	138;"	f
 invDisplayParams	src/Dodge/ListDisplayParams.hs	29;"	f
-invHead	src/Dodge/Render/HUD.hs	294;"	f
+invHead	src/Dodge/Render/HUD.hs	295;"	f
 invLDT	src/Dodge/Item/Grammar.hs	165;"	f
 invRootMap	src/Dodge/Item/Grammar.hs	174;"	f
 invRootTrees	src/Dodge/Item/Grammar.hs	206;"	f
@@ -4567,12 +4567,14 @@ invSideEff	src/Dodge/Creature/State.hs	161;"	f
 invSize	src/Dodge/Inventory/CheckSlots.hs	41;"	f
 invTrees	src/Dodge/Item/Grammar.hs	194;"	f
 invTrees'	src/Dodge/Item/Grammar.hs	198;"	f
-inventoryExtra	src/Dodge/Render/HUD.hs	212;"	f
-inventoryExtraH	src/Dodge/Render/HUD.hs	223;"	f
+inventoryExtra	src/Dodge/Render/HUD.hs	213;"	f
+inventoryExtraH	src/Dodge/Render/HUD.hs	224;"	f
 inventoryX	src/Dodge/Creature.hs	115;"	f
-inverseSelNumPos	src/Dodge/SelectionSections.hs	180;"	f
-inverseSelSecYint	src/Dodge/SelectionSections.hs	155;"	f
-inverseSelSecYintXPosCheck	src/Dodge/SelectionSections.hs	166;"	f
+inverseSelBoundaryDown	src/Dodge/SelectionSections.hs	204;"	f
+inverseSelBoundaryUp	src/Dodge/SelectionSections.hs	191;"	f
+inverseSelNumPos	src/Dodge/SelectionSections.hs	182;"	f
+inverseSelSecYint	src/Dodge/SelectionSections.hs	157;"	f
+inverseSelSecYintXPosCheck	src/Dodge/SelectionSections.hs	168;"	f
 inverseShockwaveAt	src/Dodge/WorldEvent/Shockwave.hs	43;"	f
 invertEncircleDistP	src/Dodge/Creature/Boid.hs	13;"	f
 invertIntMap	src/IntMapHelp.hs	101;"	f
@@ -4730,7 +4732,7 @@ llleft	src/Dodge/Item/Grammar.hs	105;"	f
 llright	src/Dodge/Item/Grammar.hs	108;"	f
 lmt	src/MatrixHelper.hs	43;"	f
 lnkBothAnd	src/Dodge/Room/Procedural.hs	120;"	f
-lnkMidPosInvSelsCol	src/Dodge/Render/HUD.hs	283;"	f
+lnkMidPosInvSelsCol	src/Dodge/Render/HUD.hs	284;"	f
 lnkPosDir	src/Dodge/RoomLink.hs	97;"	f
 loadDodgeConfig	src/Dodge/Config/Load.hs	9;"	f
 loadMusic	src/Dodge/SoundLogic/LoadSound.hs	21;"	f
@@ -4845,7 +4847,7 @@ makeTlsTimeRadColPos	src/Dodge/LightSource.hs	88;"	f
 makeTypeCraft	src/Dodge/Item/Craftable.hs	13;"	f
 makeTypeCraftNum	src/Dodge/Item/Craftable.hs	7;"	f
 mapOverlay	src/Dodge/Render/HUD/Carte.hs	24;"	f
-markWallSeen	src/Dodge/Update.hs	603;"	f
+markWallSeen	src/Dodge/Update.hs	643;"	f
 maxDamageType	src/Dodge/Damage.hs	37;"	f
 maxShowX	src/Dodge/Combine/Graph.hs	43;"	f
 maxViewDistance	src/Dodge/Viewpoints.hs	26;"	f
@@ -4977,7 +4979,7 @@ mvBullet	src/Dodge/Bullet.hs	33;"	f
 mvButton	src/Dodge/Placement/PlaceSpot.hs	174;"	f
 mvCr	src/Dodge/Placement/PlaceSpot.hs	184;"	f
 mvFS	src/Dodge/Placement/PlaceSpot.hs	187;"	f
-mvGust	src/Dodge/Update.hs	631;"	f
+mvGust	src/Dodge/Update.hs	671;"	f
 mvLS	src/Dodge/Placement/PlaceSpot.hs	215;"	f
 mvP	src/Dodge/Wall/Move.hs	54;"	f
 mvPP	src/Dodge/Placement/PlaceSpot.hs	181;"	f
@@ -5231,7 +5233,7 @@ polysToPic	src/Polyhedra.hs	129;"	f
 popScreen	src/Dodge/Menu/PushPop.hs	6;"	f
 posEventEffect	src/Dodge/PosEvent.hs	16;"	f
 posRms	src/Dodge/Tree/Shift.hs	44;"	f
-posSelSecYint	src/Dodge/SelectionSections.hs	136;"	f
+posSelSecYint	src/Dodge/SelectionSections.hs	138;"	f
 positionRoomsFromTree	src/Dodge/Tree/Shift.hs	35;"	f
 postGenerationProcessing	src/Dodge/LevelGen.hs	33;"	f
 postUniverseLoadSideEffect	src/Dodge/WorldLoad.hs	11;"	f
@@ -5244,7 +5246,7 @@ powlistUpToN	src/Multiset.hs	20;"	f
 powlistUpToN'	src/Multiset.hs	9;"	f
 powlistUpToN''	src/Multiset.hs	27;"	f
 ppDraw	src/Dodge/Render/ShapePicture.hs	162;"	f
-ppEvents	src/Dodge/Update.hs	596;"	f
+ppEvents	src/Dodge/Update.hs	636;"	f
 ppLevelReset	src/Dodge/PressPlate.hs	13;"	f
 preCritStart	src/Dodge/Room/Start.hs	81;"	f
 preloadRender	src/Preload/Render.hs	30;"	f
@@ -5430,7 +5432,7 @@ rightPad	src/Padding.hs	22;"	f
 rightPadNoSquash	src/Padding.hs	26;"	f
 rlPosDir	src/Dodge/RoomLink.hs	94;"	f
 rmInLinks	src/Dodge/RoomLink.hs	138;"	f
-rmInvItem	src/Dodge/Inventory.hs	53;"	f
+rmInvItem	src/Dodge/Inventory.hs	54;"	f
 rmLinksOfType	src/Dodge/RoomLink.hs	135;"	f
 rmOutLinks	src/Dodge/RoomLink.hs	138;"	f
 roomC	src/Dodge/Room/Room.hs	39;"	f
@@ -5523,12 +5525,12 @@ screenPolygon	src/Dodge/Base/Window.hs	17;"	f
 screenPolygonBord	src/Dodge/Base/Window.hs	27;"	f
 screenPosAbs	src/Dodge/ScreenPos.hs	15;"	f
 screenToWorldPos	src/Dodge/Base/Coordinate.hs	53;"	f
-scrollAugInvSel	src/Dodge/Inventory.hs	206;"	f
+scrollAugInvSel	src/Dodge/Inventory.hs	211;"	f
 scrollCommandStrings	src/Dodge/Update/Scroll.hs	134;"	f
 scrollCommands	src/Dodge/Update/Scroll.hs	131;"	f
 scrollDebugInfoInt	src/Dodge/Debug.hs	46;"	f
 scrollRBOption	src/Dodge/Update/Scroll.hs	108;"	f
-scrollSelectionSections	src/Dodge/SelectionSections.hs	25;"	f
+scrollSelectionSections	src/Dodge/SelectionSections.hs	27;"	f
 scrollTimeBack	src/Dodge/Update.hs	201;"	f
 scrollTimeForward	src/Dodge/Update.hs	220;"	f
 scrollWatch	src/Dodge/Item/Weapon/Utility.hs	30;"	f
@@ -5545,16 +5547,16 @@ secondColumnParams	src/Dodge/ListDisplayParams.hs	42;"	f
 seedStartMenu	src/Dodge/Menu.hs	79;"	f
 seedStartOptions	src/Dodge/Menu.hs	82;"	f
 segOnCirc	src/Geometry.hs	116;"	f
-selNumPos	src/Dodge/Render/HUD.hs	354;"	f
-selNumPosCardinal	src/Dodge/Render/HUD.hs	374;"	f
+selNumPos	src/Dodge/Render/HUD.hs	355;"	f
+selNumPosCardinal	src/Dodge/Render/HUD.hs	377;"	f
 selSecDrawCursor	src/Dodge/Render/List.hs	104;"	f
 selSecDrawCursorAt	src/Dodge/Render/List.hs	88;"	f
-selSecSelCol	src/Dodge/Render/HUD.hs	398;"	f
-selSecSelSize	src/Dodge/SelectionSections.hs	132;"	f
-selSecYint	src/Dodge/SelectionSections.hs	141;"	f
+selSecSelCol	src/Dodge/Render/HUD.hs	403;"	f
+selSecSelSize	src/Dodge/SelectionSections.hs	134;"	f
+selSecYint	src/Dodge/SelectionSections.hs	143;"	f
 selectCreatureDebugItem	src/Dodge/Debug.hs	38;"	f
 selectUse	src/Dodge/SelectUse.hs	11;"	f
-selectedCloseObject	src/Dodge/Inventory.hs	216;"	f
+selectedCloseObject	src/Dodge/Inventory.hs	221;"	f
 sensAboveDoor	src/Dodge/Room/SensorDoor.hs	63;"	f
 sensInsideDoor	src/Dodge/Room/SensorDoor.hs	69;"	f
 senseDamage	src/Dodge/Machine/Update.hs	134;"	f
@@ -5572,7 +5574,7 @@ setClusterID	src/Dodge/Combine/Graph.hs	103;"	f
 setDepth	src/Picture/Base.hs	128;"	f
 setDirPS	src/Dodge/PlacementSpot.hs	49;"	f
 setFallback	src/Dodge/PlacementSpot.hs	127;"	f
-setFirstPosSelectionSections	src/Dodge/SelectionSections.hs	31;"	f
+setFirstPosSelectionSections	src/Dodge/SelectionSections.hs	33;"	f
 setFromToDams	src/Dodge/Bullet.hs	171;"	f
 setHotkey	src/Dodge/Hotkey.hs	38;"	f
 setInLinks	src/Dodge/RoomLink.hs	51;"	f
@@ -5586,7 +5588,7 @@ setLinkTypePD	src/Dodge/RoomLink.hs	67;"	f
 setMinInvSize	src/Dodge/Creature/Action.hs	150;"	f
 setMusicVolume	src/Sound.hs	161;"	f
 setMvPos	src/Dodge/Creature/ReaderUpdate.hs	51;"	f
-setOldPos	src/Dodge/Update.hs	387;"	f
+setOldPos	src/Dodge/Update.hs	427;"	f
 setOutLinks	src/Dodge/RoomLink.hs	48;"	f
 setOutLinksByType	src/Dodge/RoomLink.hs	57;"	f
 setOutLinksPD	src/Dodge/RoomLink.hs	77;"	f
@@ -5642,6 +5644,8 @@ shiftDec	src/Dodge/Placement/PlaceSpot.hs	136;"	f
 shiftDraw	src/Dodge/Render/ShapePicture.hs	107;"	f
 shiftDraw'	src/Dodge/Render/ShapePicture.hs	113;"	f
 shiftInBy	src/Dodge/PlacementSpot.hs	236;"	f
+shiftInvItemsDown	src/Dodge/Update.hs	350;"	f
+shiftInvItemsUp	src/Dodge/Update.hs	340;"	f
 shiftLinkBy	src/Dodge/Room/Link.hs	87;"	f
 shiftPSBy	src/Dodge/Placement/Shift.hs	12;"	f
 shiftPathBy	src/Dodge/Room/Link.hs	92;"	f
@@ -5681,9 +5685,9 @@ showEquipItem	src/Dodge/Item/Display.hs	68;"	f
 showEquipmentNumber	src/Dodge/Item/Display.hs	110;"	f
 showInt	src/Dodge/Item/Info.hs	31;"	f
 showIntsString	src/Dodge/Tree/Compose.hs	129;"	f
-showManObj	src/Dodge/TestString.hs	45;"	f
+showManObj	src/Dodge/TestString.hs	44;"	f
 showTerminalError	src/Dodge/Debug/Terminal.hs	76;"	f
-showTimeFlow	src/Dodge/TestString.hs	92;"	f
+showTimeFlow	src/Dodge/TestString.hs	91;"	f
 shrinkPolyOnEdges	src/Geometry/Polygon.hs	136;"	f
 shrinkVert	src/Geometry/Polygon.hs	140;"	f
 shuffle	src/RandomHelp.hs	46;"	f
@@ -5691,7 +5695,7 @@ shuffleLinks	src/Dodge/Room/Link.hs	30;"	f
 shuffleRoomPos	src/Dodge/Layout.hs	78;"	f
 shuffleTail	src/RandomHelp.hs	55;"	f
 sigmoid	src/Dodge/Base.hs	129;"	f
-simpleCrSprings	src/Dodge/Update.hs	679;"	f
+simpleCrSprings	src/Dodge/Update.hs	719;"	f
 simpleDamFL	src/Dodge/Flame.hs	41;"	f
 simpleTermMessage	src/Dodge/Terminal.hs	249;"	f
 sineRaisePitchOneSecS	src/Dodge/SoundLogic/ExternallyGeneratedSounds.hs	486;"	f
@@ -5774,19 +5778,19 @@ square	src/Geometry/Polygon.hs	46;"	f
 squareDecoration	src/Dodge/Placement/TopDecoration.hs	41;"	f
 squashIntersectCirclePoint	src/Dodge/WallCreatureCollisions.hs	110;"	f
 squashNormalizeV	src/Geometry/Vector.hs	146;"	f
-ssLookupDown	src/Dodge/SelectionSections.hs	82;"	f
-ssLookupGE'	src/Dodge/SelectionSections.hs	125;"	f
-ssLookupGT	src/Dodge/SelectionSections.hs	112;"	f
-ssLookupGT'	src/Dodge/SelectionSections.hs	118;"	f
-ssLookupLE'	src/Dodge/SelectionSections.hs	100;"	f
-ssLookupLT	src/Dodge/SelectionSections.hs	87;"	f
-ssLookupLT'	src/Dodge/SelectionSections.hs	93;"	f
-ssLookupMax	src/Dodge/SelectionSections.hs	72;"	f
-ssLookupMin	src/Dodge/SelectionSections.hs	107;"	f
-ssLookupUp	src/Dodge/SelectionSections.hs	77;"	f
-ssScrollUsing	src/Dodge/SelectionSections.hs	36;"	f
-ssScrollUsing'	src/Dodge/SelectionSections.hs	46;"	f
-ssSetCursor	src/Dodge/SelectionSections.hs	60;"	f
+ssLookupDown	src/Dodge/SelectionSections.hs	84;"	f
+ssLookupGE'	src/Dodge/SelectionSections.hs	127;"	f
+ssLookupGT	src/Dodge/SelectionSections.hs	114;"	f
+ssLookupGT'	src/Dodge/SelectionSections.hs	120;"	f
+ssLookupLE'	src/Dodge/SelectionSections.hs	102;"	f
+ssLookupLT	src/Dodge/SelectionSections.hs	89;"	f
+ssLookupLT'	src/Dodge/SelectionSections.hs	95;"	f
+ssLookupMax	src/Dodge/SelectionSections.hs	74;"	f
+ssLookupMin	src/Dodge/SelectionSections.hs	109;"	f
+ssLookupUp	src/Dodge/SelectionSections.hs	79;"	f
+ssScrollUsing	src/Dodge/SelectionSections.hs	38;"	f
+ssScrollUsing'	src/Dodge/SelectionSections.hs	48;"	f
+ssSetCursor	src/Dodge/SelectionSections.hs	62;"	f
 ssfold	src/FoldableHelp.hs	105;"	f
 stackPicturesAt	src/Dodge/Render/List.hs	82;"	f
 stackPicturesAtOff	src/Dodge/Render/List.hs	85;"	f
@@ -5825,6 +5829,7 @@ subMap	src/TreeHelp.hs	118;"	f
 subZipWith	src/Dodge/Placement/Instance/Wall.hs	115;"	f
 swapInOutLinks	src/Dodge/RoomLink.hs	80;"	f
 swapIndices	src/ListHelp.hs	50;"	f
+swapInvItems	src/Dodge/Inventory.hs	167;"	f
 swarmCrit	src/Dodge/Creature/SwarmCrit.hs	10;"	f
 swarmUsingCenter	src/Dodge/Creature/Boid.hs	171;"	f
 switchDoor	src/Dodge/Placement/Instance/Door.hs	96;"	f
@@ -5911,7 +5916,7 @@ titleOptionsMenu	src/Dodge/Menu.hs	99;"	f
 titleOptionsNoWrite	src/Dodge/Menu.hs	102;"	f
 tlsTimeRadColPos	src/Dodge/LightSource.hs	69;"	f
 tlsTimeRadFunPos	src/Dodge/LightSource.hs	26;"	f
-tmUpdate	src/Dodge/Update.hs	367;"	f
+tmUpdate	src/Dodge/Update.hs	407;"	f
 toBothLnk	src/Dodge/RoomLink.hs	121;"	f
 toClosestMultiple	src/HelpNum.hs	3;"	f
 toColor8	src/Color.hs	148;"	f
@@ -5938,7 +5943,7 @@ tone440sawtoothquietS	src/Dodge/SoundLogic/ExternallyGeneratedSounds.hs	320;"	f
 topInvW	src/Dodge/ListDisplayParams.hs	51;"	f
 topPrismEdgeIndices	src/Shader/Poke.hs	327;"	f
 topPrismIndices	src/Shader/Poke.hs	402;"	f
-topTestPart	src/Dodge/TestString.hs	40;"	f
+topTestPart	src/Dodge/TestString.hs	39;"	f
 torch	src/Dodge/Item/Held/Utility.hs	26;"	f
 torchShape	src/Dodge/Item/Draw/SPic.hs	213;"	f
 torqueCr	src/Dodge/WorldEffect.hs	70;"	f
@@ -6053,39 +6058,39 @@ updateBarreloid	src/Dodge/Barreloid.hs	13;"	f
 updateBounds	src/Dodge/Update/Camera.hs	245;"	f
 updateBulVel	src/Dodge/Bullet.hs	50;"	f
 updateBullet	src/Dodge/Bullet.hs	28;"	f
-updateBullets	src/Dodge/Update.hs	462;"	f
+updateBullets	src/Dodge/Update.hs	502;"	f
 updateCamera	src/Dodge/Update/Camera.hs	31;"	f
-updateCloseObjects	src/Dodge/Inventory.hs	112;"	f
-updateCloud	src/Dodge/Update.hs	645;"	f
-updateClouds	src/Dodge/Update.hs	491;"	f
+updateCloseObjects	src/Dodge/Inventory.hs	113;"	f
+updateCloud	src/Dodge/Update.hs	685;"	f
+updateClouds	src/Dodge/Update.hs	531;"	f
 updateCombinePositioning	src/Dodge/DisplayInventory.hs	37;"	f
 updateCombineSections	src/Dodge/DisplayInventory.hs	42;"	f
 updateCreature	src/Dodge/Creature/Update.hs	10;"	f
-updateCreatureGroups	src/Dodge/Update.hs	431;"	f
-updateCreatureSoundPositions	src/Dodge/Update.hs	409;"	f
+updateCreatureGroups	src/Dodge/Update.hs	471;"	f
+updateCreatureSoundPositions	src/Dodge/Update.hs	449;"	f
 updateDebugMessageOffset	src/Dodge/Update.hs	93;"	f
-updateDelayedEvents	src/Dodge/Update.hs	708;"	f
+updateDelayedEvents	src/Dodge/Update.hs	748;"	f
 updateDisplaySections	src/Dodge/DisplayInventory.hs	92;"	f
 updateDistortion	src/Dodge/Distortion.hs	5;"	f
-updateDistortions	src/Dodge/Update.hs	452;"	f
+updateDistortions	src/Dodge/Update.hs	492;"	f
 updateEnergyBall	src/Dodge/EnergyBall.hs	46;"	f
-updateEnergyBalls	src/Dodge/Update.hs	479;"	f
+updateEnergyBalls	src/Dodge/Update.hs	519;"	f
 updateEnterRegex	src/Dodge/Update/Input/InGame.hs	189;"	f
 updateExpBarrel	src/Dodge/Barreloid.hs	19;"	f
 updateFBOTO	src/Framebuffer/Update.hs	97;"	f
 updateFBOTO3	src/Framebuffer/Update.hs	131;"	f
 updateFlame	src/Dodge/Flame.hs	71;"	f
-updateFlames	src/Dodge/Update.hs	476;"	f
+updateFlames	src/Dodge/Update.hs	516;"	f
 updateFlare	src/Dodge/Flare.hs	7;"	f
 updateFloatingCamera	src/Dodge/Update/Camera.hs	36;"	f
-updateGusts	src/Dodge/Update.hs	628;"	f
+updateGusts	src/Dodge/Update.hs	668;"	f
 updateHeldRootItem	src/Dodge/Creature/State.hs	166;"	f
 updateHumanoid	src/Dodge/Humanoid.hs	12;"	f
-updateIMl	src/Dodge/Update.hs	423;"	f
-updateIMl'	src/Dodge/Update.hs	427;"	f
+updateIMl	src/Dodge/Update.hs	463;"	f
+updateIMl'	src/Dodge/Update.hs	467;"	f
 updateInGameCamera	src/Dodge/Update/Camera.hs	70;"	f
 updateInitialPressInGame	src/Dodge/Update/Input/InGame.hs	109;"	f
-updateInstantBullets	src/Dodge/Update.hs	568;"	f
+updateInstantBullets	src/Dodge/Update.hs	608;"	f
 updateInv	src/Dodge/Creature/State.hs	151;"	f
 updateInventoryPositioning	src/Dodge/DisplayInventory.hs	87;"	f
 updateItemTargeting	src/Dodge/Creature/State.hs	267;"	f
@@ -6094,20 +6099,21 @@ updateKeyInGame	src/Dodge/Update/Input/InGame.hs	103;"	f
 updateKeysInTerminal	src/Dodge/Update/Input/InGame.hs	92;"	f
 updateLampoid	src/Dodge/Lampoid.hs	12;"	f
 updateLaser	src/Dodge/Laser/Update.hs	13;"	f
-updateLasers	src/Dodge/Update.hs	352;"	f
-updateLightSources	src/Dodge/Update.hs	455;"	f
+updateLasers	src/Dodge/Update.hs	392;"	f
+updateLightSources	src/Dodge/Update.hs	495;"	f
 updateLinearShockwave	src/Dodge/LinearShockwave/Update.hs	8;"	f
 updateLongPressInGame	src/Dodge/Update/Input/InGame.hs	129;"	f
-updateMIM	src/Dodge/Update.hs	581;"	f
+updateMIM	src/Dodge/Update.hs	621;"	f
 updateMachine	src/Dodge/Machine/Update.hs	16;"	f
 updateMouseInventorySelection	src/Dodge/Update.hs	297;"	f
-updateMouseOverInventory	src/Dodge/Update.hs	320;"	f
+updateMouseInventorySelection'	src/Dodge/Update.hs	303;"	f
+updateMouseOverInventory	src/Dodge/Update.hs	360;"	f
 updateMovement	src/Dodge/Creature/State.hs	330;"	f
-updateObjCatMaybes	src/Dodge/Update.hs	443;"	f
-updateObjMapMaybe	src/Dodge/Update.hs	436;"	f
-updatePastWorlds	src/Dodge/Update.hs	341;"	f
+updateObjCatMaybes	src/Dodge/Update.hs	483;"	f
+updateObjMapMaybe	src/Dodge/Update.hs	476;"	f
+updatePastWorlds	src/Dodge/Update.hs	381;"	f
 updatePosEvent	src/Dodge/PosEvent.hs	11;"	f
-updatePosEvents	src/Dodge/Update.hs	488;"	f
+updatePosEvents	src/Dodge/Update.hs	528;"	f
 updatePreload	src/Preload/Update.hs	20;"	f
 updatePressedButtonsCarte	src/Dodge/Update/Input/InGame.hs	67;"	f
 updatePressedButtonsCarte'	src/Dodge/Update/Input/InGame.hs	70;"	f
@@ -6115,9 +6121,9 @@ updateProjectile	src/Dodge/Projectile/Update.hs	22;"	f
 updateProp	src/Dodge/Prop/Update.hs	11;"	f
 updateRBList	src/Dodge/Inventory/RBList.hs	16;"	f
 updateRadarBlip	src/Dodge/RadarBlip.hs	8;"	f
-updateRadarBlips	src/Dodge/Update.hs	458;"	f
+updateRadarBlips	src/Dodge/Update.hs	498;"	f
 updateRadarSweep	src/Dodge/RadarSweep.hs	25;"	f
-updateRadarSweeps	src/Dodge/Update.hs	482;"	f
+updateRadarSweeps	src/Dodge/Update.hs	522;"	f
 updateRandNode	src/TreeHelp.hs	108;"	f
 updateRenderSplit	appDodge/Main.hs	105;"	f
 updateRootItemID	src/Dodge/Inventory/Location.hs	37;"	f
@@ -6126,19 +6132,19 @@ updateScopeZoom'	src/Dodge/Update/Camera.hs	132;"	f
 updateScrollTestValue	src/Dodge/ScrollValue.hs	6;"	f
 updateSection	src/Dodge/DisplayInventory.hs	171;"	f
 updateSectionsPositioning	src/Dodge/DisplayInventory.hs	150;"	f
-updateSeenWalls	src/Dodge/Update.hs	599;"	f
+updateSeenWalls	src/Dodge/Update.hs	639;"	f
 updateShockwave	src/Dodge/Shockwave/Update.hs	12;"	f
-updateShockwaves	src/Dodge/Update.hs	473;"	f
+updateShockwaves	src/Dodge/Update.hs	513;"	f
 updateSingleNodes	src/TreeHelp.hs	97;"	f
 updateSound	src/Sound.hs	71;"	f
 updateSounds	src/Sound.hs	66;"	f
 updateSpark	src/Dodge/Spark.hs	19;"	f
-updateSparks	src/Dodge/Update.hs	485;"	f
+updateSparks	src/Dodge/Update.hs	525;"	f
 updateTempLightSource	src/Dodge/LightSource/Update.hs	7;"	f
 updateTeslaArc	src/Dodge/Tesla/Arc.hs	29;"	f
-updateTeslaArcs	src/Dodge/Update.hs	467;"	f
+updateTeslaArcs	src/Dodge/Update.hs	507;"	f
 updateTractorBeam	src/Dodge/TractorBeam/Update.hs	9;"	f
-updateTractorBeams	src/Dodge/Update.hs	470;"	f
+updateTractorBeams	src/Dodge/Update.hs	510;"	f
 updateTurret	src/Dodge/Machine/Update.hs	31;"	f
 updateUniverse	src/Dodge/Update.hs	73;"	f
 updateUniverseFirst	src/Dodge/Update.hs	84;"	f
@@ -6149,7 +6155,7 @@ updateUseInputOnScreen	src/Dodge/Update/Input/ScreenLayer.hs	20;"	f
 updateWalkCycle	src/Dodge/Creature/State/WalkCycle.hs	12;"	f
 updateWallDamages	src/Dodge/Update/WallDamage.hs	10;"	f
 updateWheelEvent	src/Dodge/Update/Scroll.hs	20;"	f
-updateWheelEvents	src/Dodge/Update.hs	328;"	f
+updateWheelEvents	src/Dodge/Update.hs	368;"	f
 updateWorldEventFlag	src/Dodge/Update.hs	113;"	f
 updateWorldEventFlags	src/Dodge/Update.hs	104;"	f
 upperBody	src/Dodge/Creature/Picture.hs	133;"	f
@@ -6302,7 +6308,7 @@ yV2	src/Geometry/Vector.hs	203;"	f
 yellow	src/Color.hs	17;"	f
 you	src/Dodge/Base/You.hs	18;"	f
 youDropItem	src/Dodge/Creature/Action.hs	184;"	f
-yourAugmentedItem	src/Dodge/Render/HUD.hs	154;"	f
+yourAugmentedItem	src/Dodge/Render/HUD.hs	155;"	f
 yourControl	src/Dodge/Creature/YourControl.hs	22;"	f
 yourDefaultSpeed	src/Dodge/Default/Creature.hs	134;"	f
 yourDefaultStrideLength	src/Dodge/Default/Creature.hs	137;"	f
@@ -6319,9 +6325,9 @@ zipCount	src/Dodge/Tree/Shift.hs	129;"	f
 zipCountDown	src/Dodge/Room/Procedural.hs	117;"	f
 zipWithDefaults	src/Dodge/Item/Display.hs	21;"	f
 zoneCloud	src/Dodge/Zoning/Cloud.hs	27;"	f
-zoneClouds	src/Dodge/Update.hs	360;"	f
+zoneClouds	src/Dodge/Update.hs	400;"	f
 zoneCreature	src/Dodge/Zoning/Creature.hs	52;"	f
-zoneCreatures	src/Dodge/Update.hs	404;"	f
+zoneCreatures	src/Dodge/Update.hs	444;"	f
 zoneExtract	src/Dodge/Zoning/Base.hs	50;"	f
 zoneMonoid	src/Dodge/Zoning/Base.hs	80;"	f
 zoneOfCirc	src/Dodge/Zoning/Base.hs	22;"	f