Separate out concrete part of world

appDodge/Main.hs

@@ -97,7 +97,7 @@ updateRenderSplit u = do
 
 playSoundUnlessRewinding :: Universe -> IO (M.Map SoundOrigin Sound)
 playSoundUnlessRewinding u
-    | _timeFlow w == RewindingNow = return M.empty
+    | _timeFlow (_cWorld w) == RewindingNow = return M.empty
     | otherwise = playSoundAndUpdate (_soundData $ _preloadData u) (_playingSounds w) (_toPlaySounds w)
   where
     w = _uvWorld u

src/Dodge/Barreloid.hs

@@ -18,8 +18,8 @@ updateBarreloid cr = case cr ^?! crType . barrelType of
 -- should generate the sparks externally using new random generators
 updateExpBarrel :: Creature -> World -> World
 updateExpBarrel cr w 
-    | _crHP cr > 0 = foldr ($) (hiss w & creatures . at (_crID cr) .~ newCr) pierceSparks
+    | _crHP cr > 0 = foldr ($) (hiss w & cWorld . creatures . at (_crID cr) .~ newCr) pierceSparks
-    | otherwise    = makeExplosionAt (_crPos cr) $ stopSounds w & creatures . at (_crID cr) .~ Nothing
+    | otherwise    = makeExplosionAt (_crPos cr) $ stopSounds w & cWorld . creatures . at (_crID cr) .~ Nothing
   where 
     g = _randGen w
     damages = _csDamage $ _crState cr
@@ -40,7 +40,7 @@ updateExpBarrel cr w
 updateBarrel :: Creature -> World -> World
 updateBarrel cr
     | _crHP cr > 0 = doDamage cr
-    | otherwise    = creatures . at (_crID cr) .~ Nothing
+    | otherwise    = cWorld . creatures . at (_crID cr) .~ Nothing
 
 damToExpBarrel :: [Damage] -> Creature -> Creature
 damToExpBarrel ds cr = foldr damToExpBarrel' (foldr damToExpBarrel' cr pierceDam) otherDam

src/Dodge/Base/Collide.hs

@@ -161,7 +161,7 @@ allVisibleWalls :: World -> [(Point2,Wall)]
 {-# INLINE allVisibleWalls #-}
 allVisibleWalls w = concatMap (flip (visibleWalls vPos) w . (+.+ vPos)) $ nRays 20
   where
-    vPos = _cameraViewFrom w
+    vPos = _cameraViewFrom $ _cWorld w
 
 --allVisibleWalls :: World -> StreamOf (Point2,Wall)
 --{-# INLINE allVisibleWalls #-}
@@ -242,7 +242,7 @@ circOnAnyCr :: Point2 -> Float -> World -> Bool
 {-# INLINE circOnAnyCr #-}
 circOnAnyCr p r w = IS.foldr f False $ crIXsNearPoint p w
   where
-    f cid bl = maybe False (\cr -> dist p (_crPos cr) < r + _crRad cr) (w ^? creatures . ix cid) || bl
+    f cid bl = maybe False (\cr -> dist p (_crPos cr) < r + _crRad cr) (w ^? cWorld . creatures . ix cid) || bl
 
 {- | More general collision tests follow -}
 
@@ -274,22 +274,22 @@ canSee :: Int -> Int -> World -> Bool
 {-# INLINE canSee #-}
 canSee i j w = hasLOS p1 p2 w
   where 
-    p1 = _crPos (_creatures w IM.! i)
+    p1 = _crPos (_creatures (_cWorld w) IM.! i)
-    p2 = _crPos (_creatures w IM.! j)
+    p2 = _crPos (_creatures (_cWorld w) IM.! j)  -- unsafe
 
 canSeeIndirect :: Int -> Int -> World -> Bool
 {-# INLINE canSeeIndirect #-}
 canSeeIndirect i j w = hasLOSIndirect ipos jpos w
   where 
-    ipos = _crPos (_creatures w IM.! i)
+    ipos = _crPos (_creatures (_cWorld w) IM.! i)
-    jpos = _crPos (_creatures w IM.! j)
+    jpos = _crPos (_creatures (_cWorld w) IM.! j)
 
 anythingHitCirc :: Float -> Point2 -> Point2 -> World -> Bool
 anythingHitCirc rad sp ep w = hitCr || isJust (sequence hitWl)
   where
     hitCr    = IS.foldr f False $ crsNearSeg sp ep w
     f cid bl = maybe False (\cr -> null $ intersectCircSeg (_crPos cr) (rad + _crRad cr) sp ep)
-            (w ^? creatures . ix cid)
+            (w ^? cWorld . creatures . ix cid)
         || bl
 
     hitWl    = collideCircWalls sp ep rad $ wlsNearPoint ep w

src/Dodge/Base/Coordinate.hs

@@ -7,31 +7,31 @@ import Geometry
 worldPosToScreenNorm :: Configuration -> World -> Point2 -> Point2
 worldPosToScreenNorm cfig w = doWindowScale cfig . doRotate . doZoom . doTranslate
   where
-    doTranslate p = p -.- _cameraCenter w
+    doTranslate p = p -.- _cameraCenter (_cWorld w)
-    doZoom p      = _cameraZoom w *.* p
+    doZoom p      = _cameraZoom (_cWorld w) *.* p
-    doRotate p    = rotateV (negate $ _cameraRot w) p
+    doRotate p    = rotateV (negate $ _cameraRot (_cWorld w)) p
 {- | Transform world coordinates to scaled screen coordinates. 
  - These have to be scaled according to the size of the window to get actual screen positions.
  - This allows for line thicknesses etc to correspond to pixel sizes.-}
 worldPosToScreen :: World -> Point2 -> Point2
 worldPosToScreen w 
-    = rotateV (negate $ _cameraRot w) 
+    = rotateV (negate $ _cameraRot (_cWorld w)) 
-    . (_cameraZoom w *.*)
+    . (_cameraZoom (_cWorld w) *.*)
-    . (-.- _cameraCenter w)
+    . (-.- _cameraCenter (_cWorld w))
 {- | Transform coordinates from the map position to screen
 coordinates.  -}
 cartePosToScreen :: Configuration -> World -> Point2 -> Point2
 cartePosToScreen cfig w = doWindowScale cfig . doRotate . doZoom . doTranslate
   where
-    doTranslate p       = p -.- _carteCenter (_hud w)
+    doTranslate p       = p -.- _carteCenter (_hud (_cWorld w))
-    doZoom p            = _carteZoom (_hud w) *.* p
+    doZoom p            = _carteZoom (_hud (_cWorld w)) *.* p
-    doRotate p          = rotateV (negate $ _carteRot (_hud w)) p
+    doRotate p          = rotateV (negate $ _carteRot (_hud (_cWorld w))) p
 crToMousePosOffset :: Creature -> World -> (Point2,Float)
 crToMousePosOffset cr w = (mouseWorldPos w -.- _crPos cr,0)
 {- | The mouse position in world coordinates.  -}
 mouseWorldPos :: World -> Point2
-mouseWorldPos w = _cameraCenter w +.+ (1/_cameraZoom w) *.* rotateV (_cameraRot w) (_mousePos w)
+mouseWorldPos w = _cameraCenter (_cWorld w) +.+ (1/_cameraZoom (_cWorld w)) *.* rotateV (_cameraRot (_cWorld w)) (_mousePos (_cWorld w))
 {- | The mouse position in map coordinates -}
 mouseCartePos :: World -> Point2
-mouseCartePos w = _carteCenter (_hud w) +.+ (1/_carteZoom (_hud w)) 
+mouseCartePos w = _carteCenter (_hud (_cWorld w)) +.+ (1/_carteZoom (_hud (_cWorld w))) 
-    *.* rotateV (_carteRot (_hud w)) (_mousePos w)
+    *.* rotateV (_carteRot (_hud (_cWorld w))) (_mousePos (_cWorld w))

src/Dodge/Base/Window.hs

@@ -15,10 +15,10 @@ screenPolygon :: Configuration -> World -> [Point2]
 screenPolygon cfig w = map (scTran . scRot . scZoom) $ screenBox cfig
 --    [tr,tl,bl,br]
   where 
-    scRot  = rotateV (_cameraRot w)
+    scRot  = rotateV (_cameraRot (_cWorld w))
-    scZoom p | _cameraZoom w /= 0 = (1/_cameraZoom w) *.* p
+    scZoom p | _cameraZoom (_cWorld w) /= 0 = (1/_cameraZoom (_cWorld w)) *.* p
              | otherwise = p
-    scTran p = p +.+ _cameraCenter w
+    scTran p = p +.+ _cameraCenter (_cWorld w)
 --    tr = scTran $ scRot $ scZoom (V2 ( halfWidth w) ( halfHeight w)) 
 --    tl = scTran $ scRot $ scZoom (V2 (-halfWidth w) ( halfHeight w)) 
 --    br = scTran $ scRot $ scZoom (V2 ( halfWidth w) (-halfHeight w))
@@ -35,9 +35,9 @@ screenPolygonBord xbord ybord cfig w = [tr,tl,bl,br]
   where 
     hw = halfWidth  cfig - xbord
     hh = halfHeight cfig - ybord
-    scZoom p | _cameraZoom w /= 0   = (1/_cameraZoom w) *.* p
+    scZoom p | _cameraZoom (_cWorld w) /= 0   = (1/_cameraZoom (_cWorld w)) *.* p
              | otherwise            = p
-    theTransform = (+.+ _cameraCenter w) . rotateV (_cameraRot w) . scZoom
+    theTransform = (+.+ _cameraCenter (_cWorld w)) . rotateV (_cameraRot (_cWorld w)) . scZoom
     tr = theTransform (V2   hw    hh ) 
     tl = theTransform (V2 (-hw)   hh ) 
     br = theTransform (V2   hw  (-hh))

src/Dodge/Base/You.hs

@@ -5,7 +5,7 @@ import qualified IntMapHelp as IM
 --import Control.Lens
 
 you :: World -> Creature
-you w = _creatures w IM.! _yourID w
+you w = _creatures (_cWorld w) IM.! _yourID (_cWorld w)
 
 yourItem :: World -> Maybe Item
 yourItem w = _crInv (you w) IM.!? crSel (you w)

src/Dodge/Beam.hs

@@ -27,20 +27,20 @@ flameBeamCombine (p,(a,b,_),(x,y,_))
 lasBeamCombine :: (Point2,(Point2,Point2,Beam),(Point2,Point2,Beam))
     -> World -> World
 lasBeamCombine (p,(a,b,_),(x,y,_)) 
-    = lasers .:~ lasRayAt yellow 11 1 p (argV (normalizeV (b-.-a)+.+normalizeV (y-.-x)))
+    = cWorld . lasers .:~ lasRayAt yellow 11 1 p (argV (normalizeV (b-.-a)+.+normalizeV (y-.-x)))
 
 splitBeamCombine :: (Point2,(Point2,Point2,Beam),(Point2,Point2,Beam))
     -> World -> World
 splitBeamCombine (p,(a,b,_),(x,y,_)) 
-    = (lasers .:~ lasRayAt yellow 11 1 p (dir+0.5*pi))
+    = (cWorld . lasers .:~ lasRayAt yellow 11 1 p (dir+0.5*pi))
-    . (lasers .:~ lasRayAt yellow 11 1 p (dir-0.5*pi))
+    . (cWorld . lasers .:~ lasRayAt yellow 11 1 p (dir-0.5*pi))
   where
     dir = argV (normalizeV (b-.-a)+.+normalizeV (y-.-x))
 
 teslaBeamCombine :: (Point2,(Point2,Point2,Beam),(Point2,Point2,Beam))
     -> World -> World
 teslaBeamCombine (p,(a,b,bm),(x,y,_)) w
-    = w' & pointToItem (_itemPositions w IM.! itid) . itParams . subParams ?~ ip
+    = w' & pointToItem (_itemPositions (_cWorld w) IM.! itid) . itParams . subParams ?~ ip
   where
     itid = fromJust $ _bmOrigin bm
     dir = argV (normalizeV (b-.-a)+.+normalizeV (y-.-x))

src/Dodge/Block.hs

@@ -28,14 +28,14 @@ splinterBlock bl w = foldr unshadowBlock w (_blShadows bl) -- foldr shiftTowardC
         (weakenMatS bm) (_blPos bl)
   where
     bm = fromMaybe Stone $ do
-        wlids <- w ^? blocks . ix (_blID bl) . blWallIDs
+        wlids <- w ^? cWorld . blocks . ix (_blID bl) . blWallIDs
         (wlid,_) <- IS.minView wlids
-        w ^? walls . ix wlid . wlMaterial
+        w ^? cWorld . walls . ix wlid . wlMaterial
 
 unshadowBlock :: Int -> World -> World
-unshadowBlock wlid w = case w ^? walls . ix wlid of
+unshadowBlock wlid w = case w ^? cWorld . walls . ix wlid of
     Just wl -> w
-        & walls . ix wlid . wlUnshadowed .~ True
+        & cWorld . walls . ix wlid . wlUnshadowed .~ True
         & insertWallInZones (wl & wlUnshadowed .~ True)
     Nothing -> w
 
@@ -50,13 +50,13 @@ destroyBlock bl w = w
     & makeBlockDebris bl
     & deleteWallIDs wlids
     & maybeClearPaths (_blObstructs bl) -- must happen after the walls are deleted
-    & blocks %~ IM.delete (_blID bl)
+    & cWorld . blocks %~ IM.delete (_blID bl)
 --    & matDesSound (_blMaterial bl) pos
     & flip (foldr (wlDustAt awl)) (map (pos +.+) ps)
   where
     wlids = _blWallIDs bl
-    awl = _walls w IM.! IS.findMin wlids
+    awl = _walls (_cWorld w) IM.! IS.findMin wlids
-    pos = fst . _wlLine $ _walls w IM.! IS.findMin wlids
+    pos = fst . _wlLine $ _walls (_cWorld w) IM.! IS.findMin wlids
     ps = replicateM 25 (randInCirc 20) & evalState $ _randGen w
 
 -- this does not handle eg doors blocking the path as well
@@ -67,20 +67,20 @@ maybeClearPath :: World -> (Int,Int,PathEdge) -> World
 maybeClearPath w (x,y,pe) 
     | not . null $ overlapSegWalls (_peStart pe) (_peEnd pe) $ wlsNearSeg (_peStart pe) (_peEnd pe) w
         = w
-    | otherwise = w & pathGraph %~ FGL.insEdge (x,y,pe & peObstacles .~ mempty) . FGL.delEdge (x,y) 
+    | otherwise = w & cWorld . pathGraph %~ FGL.insEdge (x,y,pe & peObstacles .~ mempty) . FGL.delEdge (x,y) 
 
 destroyDoor :: Door -> World -> World
 destroyDoor dr w = w
     & doDrWdWd (_drDeath dr) dr
     & deleteWallIDs wlids
-    & doors %~ IM.delete (_drID dr)
+    & cWorld . doors %~ IM.delete (_drID dr)
     & flip (foldr (wlDustAt awl)) (map (pos +.+) ps)
     & stopPushing (_drPushes dr)
     & destroyMounts (_drMounts dr)
   where
     wlids = _drWallIDs dr
-    awl = _walls w IM.! IS.findMin wlids
+    awl = _walls (_cWorld w) IM.! IS.findMin wlids
-    pos = fst . _wlLine $ _walls w IM.! IS.findMin wlids
+    pos = fst . _wlLine $ _walls (_cWorld w) IM.! IS.findMin wlids
     ps = replicateM 25 (randInCirc 20) & evalState $ _randGen w
 
 destroyMounts :: [MountedObject] -> World -> World
@@ -89,11 +89,11 @@ destroyMounts mos w = foldr destroyMount w mos
 destroyMount :: MountedObject -> World -> World
 destroyMount mo = case mo of
     MountedLS lsid -> destroyLS lsid
-    MountedProp prid -> props . at prid .~ Nothing
+    MountedProp prid -> cWorld . props . at prid .~ Nothing
 
 stopPushing :: Maybe Int -> World -> World
 stopPushing mdrid w = fromMaybe w $ do
     drid <- mdrid
-    dr <- w ^? doors . ix drid
+    dr <- w ^? cWorld . doors . ix drid
-    return $ w & doors . ix drid . drMech .~ DrWdId
+    return $ w & cWorld . doors . ix drid . drMech .~ DrWdId
         & stopPushing (_drPushes dr)

src/Dodge/Block/Debris.hs

@@ -20,9 +20,9 @@ makeDoorDebris dr w = w & makeDebris mt col p
   where
     p = uncurry midPoint (_drPos dr)
     (mt,col) = fromMaybe (Stone,greyN 0.5) $ do
-        wlids <- w ^? doors . ix (_drID dr) . drWallIDs
+        wlids <- w ^? cWorld . doors . ix (_drID dr) . drWallIDs
         (wlid,_) <- IS.minView wlids
-        wl <- w ^? walls . ix wlid
+        wl <- w ^? cWorld . walls . ix wlid
         return (_wlMaterial wl,_wlColor wl)
 
 makeBlockDebris :: Block -> World -> World
@@ -32,9 +32,9 @@ makeBlockDebris bl w = foldr (makeDebris mt col) w ps
     dsize = debrisSize mt
     ps = gridInPolygon dsize $ shrinkPolyOnEdges dsize $ reverse (_blFootprint bl)
     (mt,col) = fromMaybe (Stone,greyN 0.5) $ do
-        wlids <- w ^? blocks . ix (_blID bl) . blWallIDs
+        wlids <- w ^? cWorld . blocks . ix (_blID bl) . blWallIDs
         (wlid,_) <- IS.minView wlids
-        wl <- w ^? walls . ix wlid
+        wl <- w ^? cWorld . walls . ix wlid
         return (_wlMaterial wl,_wlColor wl)
 
 makeDebrisToHeight :: Float -> Material -> Color -> Point2 -> World -> World
@@ -46,7 +46,7 @@ makeDebris = makeDebrisDirected 1 2 (2*pi) 0
 makeDebrisDirectedHeight :: Float -> Float -> Float -> Float -> Float -> Material 
     -> Color -> Point2 -> World -> World
 makeDebrisDirectedHeight mindist maxdist arcrad dir maxh bm col p w = w
-        & flip (foldl' (flip $ plNew props prID)) thedebris
+        & flip (foldl' (flip $ plNew (cWorld . props) prID)) thedebris
         & randGen .~ newg
         & originsIDsAt [MaterialSound bm i | i <- [0,1,2]] (destroyMatS bm) p
   where
@@ -75,7 +75,7 @@ makeDebrisDirected :: Float
     -> Point2 
     -> World -> World
 makeDebrisDirected mindist maxdist arcrad dir bm col p w = w
-        & flip (foldl' (flip $ plNew props prID)) thedebris
+        & flip (foldl' (flip $ plNew (cWorld . props) prID)) thedebris
         & randGen .~ newg
         & originsIDsAt [MaterialSound bm i | i <- [0,1,2]] (destroyMatS bm) p
   where

src/Dodge/Bullet.hs

@@ -25,7 +25,7 @@ updateBullet w bu = case _buState bu of
     _ -> mvBullet 1 w bu
 
 useAmmoParams :: Item -> Creature -> World -> World
-useAmmoParams it cr w = w & instantBullets .:~ (_amBullet bultype
+useAmmoParams it cr w = w & cWorld . instantBullets .:~ (_amBullet bultype
     & buPos .~ sp 
     & buTrajectory %~ settrajectory
     & buVel %~ (rotateV dir . (muzvel *.*))
@@ -60,7 +60,7 @@ mvBullet x w bt'
         partspawn <- bulletSpawn bt'
         return $ partspawn p w'
     hitstream = thingsHit p (p +.+ vel) w
-    bt = foldr (\mg b -> doMagnetBuBu (_mgField mg) mg b) bt' (_magnets w)
+    bt = foldr (\mg b -> doMagnetBuBu (_mgField mg) mg b) bt' (_magnets (_cWorld w))
         & buState .~ NormalBulletState
     dodrag = case _buTrajectory bt of
         BasicBulletTrajectory -> buVel .*.*~ drag
@@ -84,7 +84,7 @@ bulletSpawn :: Bullet -> Maybe (Point2 -> World -> World)
 bulletSpawn bu = case _buSpawn bu of
     BulSpark -> Nothing
     BulBall IncBall -> Just incBallAt
-    BulBall ConcBall -> Just $ \p -> shockwaves .:~ concBall p
+    BulBall ConcBall -> Just $ \p -> cWorld . shockwaves .:~ concBall p
     BulBall TeslaBall -> Just makeStaticBall
 
 hitEffFromBul :: Float -> Bullet
@@ -112,8 +112,8 @@ setFromToDams bu p = map f (_buDamages bu)
 
 damageThingHit :: Bullet -> (Point2,Either Creature Wall) -> World -> World
 damageThingHit bu (p,crwl) = case crwl of
-    Left cr -> creatures . ix (_crID cr) . crState . csDamage .++~ dams
+    Left cr -> cWorld . creatures . ix (_crID cr) . crState . csDamage .++~ dams
-    Right wl -> wallDamages %~ IM.insertWith (++) (_wlID wl) dams
+    Right wl -> cWorld . wallDamages %~ IM.insertWith (++) (_wlID wl) dams
   where
     dams = setFromToDams bu p
     

src/Dodge/Button/Event.hs

@@ -9,8 +9,8 @@ doButtonEvent :: ButtonEvent -> Button -> World -> World
 doButtonEvent be = case be of
     ButtonDoNothing -> const id
     ButtonPress newstate newevent thesound f -> \b -> doWorldEffect f
-        . set (buttons . ix (_btID b) . btState) newstate
+        . set (cWorld . buttons . ix (_btID b) . btState) newstate
-        . set (buttons . ix (_btID b) . btEvent) newevent
+        . set (cWorld . buttons . ix (_btID b) . btEvent) newevent
         . soundStart (LeverSound 0) (_btPos b) thesound Nothing
     --ButtonSwitch onstate onevent onsound oneff offstate offevent offsound offeff -> undefined
     ButtonSimpleSwith oneff offeff -> flipSwitch oneff offeff
@@ -19,9 +19,9 @@ doButtonEvent be = case be of
 flipSwitch :: WdWd -> WdWd -> Button -> World -> World
 flipSwitch oneff offeff bt 
     | _btState bt == BtOff = doWorldEffect oneff . dosound
-        . over (buttons . ix (_btID bt)) turnon
+        . over (cWorld . buttons . ix (_btID bt)) turnon
     | otherwise = doWorldEffect offeff . dosound
-        . over (buttons . ix (_btID bt)) turnoff
+        . over (cWorld . buttons . ix (_btID bt)) turnoff
   where
     turnon  = (btState .~ BtOn ) .  (btText .~ "SWITCH\\")
     turnoff = (btState .~ BtOff) .  (btText .~ "SWITCH/")

src/Dodge/Clock.hs

@@ -9,5 +9,5 @@ clockCycle :: Int -> V.Vector a -> World -> a
 clockCycle tPeriod xs w = xs V.! i 
   where
     l = V.length xs
-    t = _worldClock w `mod` (l * tPeriod)
+    t = _worldClock (_cWorld w) `mod` (l * tPeriod)
     i = t `div` tPeriod

src/Dodge/Combine.hs

@@ -86,12 +86,12 @@ fullModuleName :: ItemModuleType -> String
 fullModuleName = fromMaybe "EMPTYMODULE" . moduleName
 
 toggleCombineInv :: World -> World
-toggleCombineInv w = case _hudElement (_hud w) of
+toggleCombineInv w = case _hudElement (_hud (_cWorld w)) of
-    DisplayInventory CombineInventory {} -> w & hud . hudElement .~ DisplayInventory NoSubInventory
+    DisplayInventory CombineInventory {} -> w & cWorld . hud . hudElement .~ DisplayInventory NoSubInventory
     _ -> w & enterCombineInv
 
 enterCombineInv :: World -> World
-enterCombineInv w = w & hud . hudElement .~ DisplayInventory (CombineInventory mi)
+enterCombineInv w = w & cWorld . hud . hudElement .~ DisplayInventory (CombineInventory mi)
   where
     mi = 0 <$ listToMaybe (combineItemListYou w)
 

src/Dodge/Creature/Action.hs

@@ -66,7 +66,7 @@ performAimAt cr w tcid p = ([TurnToward tpos aimSp], Just $ AimAt tcid tpos)
     aimSp = case cr ^? crMvType . mvAimSpeed of
         Just f -> doFloatFloat f $ safeAngleVV (unitVectorAtAngle cdir) (tpos - cpos)
         Nothing -> error "creature without aiming type"
-    tpos | canSee'   = _crPos (_creatures w IM.! tcid)
+    tpos | canSee'   = _crPos (_creatures (_cWorld w) IM.! tcid)
          | otherwise = p
 
 performPathTo :: Creature -> World -> Point2 -> OutAction
@@ -159,8 +159,8 @@ blinkActionFail
     -> World
 blinkActionFail cr w = w
     & soundMultiFrom [TeleSound 0,TeleSound 1] p3 teleS Nothing
-    & distortions .:~ distortionBulge
+    & cWorld . distortions .:~ distortionBulge
-    & creatures . ix cid . crPos .~ p3
+    & cWorld . creatures . ix cid . crPos .~ p3
     & inverseShockwaveAt cpos 40 2 2
   where
     distR = 120
@@ -176,8 +176,8 @@ blinkActionFail cr w = w
 blinkAction :: Creature -> World -> World
 blinkAction cr w = w
     & soundMultiFrom [TeleSound 0,TeleSound 1] p3 teleS Nothing
-    & distortions .++~ distortionBulge 
+    & cWorld . distortions .++~ distortionBulge 
-    & creatures . ix cid . crPos .~ p3
+    & cWorld . creatures . ix cid . crPos .~ p3
     & blinkShockwave cid p3
     & inverseShockwaveAt cpos 40 2 2
   where
@@ -201,13 +201,13 @@ unsafeBlinkAction
     -> World
 unsafeBlinkAction cr w 
     | success = soundMultiFrom [TeleSound 0,TeleSound 1] mwp teleS Nothing
-        . over distortions (distortionBulge ++)
+        . (cWorld . distortions .++~ distortionBulge)
-        . set (creatures . ix cid . crPos) mwp
+        . set (cWorld . creatures . ix cid . crPos) mwp
         . blinkShockwave cid mwp
         $ inverseShockwaveAt cpos 40 2 2 w
     | otherwise = w 
         & blinkActionFail cr
-        & creatures . ix cid . crState . csDamage .:~
+        & cWorld . creatures . ix cid . crState . csDamage .:~
             Damage ENTERREMENT 10000 mwp mwp mwp NoDamageEffect
   where
     success = fromMaybe True $ do
@@ -230,20 +230,20 @@ blinkShockwave
 blinkShockwave i p = makeShockwaveAt [i] p 60 1 2 cyan 
 
 setMinInvSize :: Int -> Creature -> World -> World
-setMinInvSize n cr = creatures . ix (_crID cr) . crInvCapacity .~ n
+setMinInvSize n cr = cWorld . creatures . ix (_crID cr) . crInvCapacity .~ n
 
 -- maybe this should be removed...
 stripNoItems :: Creature -> World -> World
 stripNoItems cr = organiseInvKeys (_crID cr) .
-    ( creatures . ix (_crID cr) . crInv %~ IM.mapMaybe Just )
+    ( cWorld . creatures . ix (_crID cr) . crInv %~ IM.mapMaybe Just )
 
 organiseInvKeys :: Int -> World -> World
-organiseInvKeys cid w = w & creatures . ix cid %~
+organiseInvKeys cid w = w & cWorld . creatures . ix cid %~
     ( ( crInvSel . iselPos .~ newSelKey ) 
     . ( crInv .~ newInv ) 
     . ( crInvSel . iselAction .~ NoInvSelAction) )
   where
-    cr  = _creatures w IM.! cid
+    cr  = _creatures (_cWorld w) IM.! cid
     pairs = IM.toList (_crInv cr)
     newSelKey = fromMaybe 0 $ findIndex ( (== crSel cr) . fst) pairs
     newInv = IM.fromAscList $ zip [0..] $ map snd pairs
@@ -291,8 +291,8 @@ sizeSelf x cr w
     -- | _crPos cr1 == _crPos cr2 = Just $ w
     | not (crOnWall cr1 w) = Just $ w
         & soundMultiFrom [TeleSound 0,TeleSound 1] cpos teleS Nothing
-        & over distortions (distortionBulge :)
+        & cWorld . distortions .:~ distortionBulge
-        & creatures . ix cid %~ 
+        & cWorld . creatures . ix cid %~ 
             ( (crRad .~ 10 * x) 
             . (crMvType . mvSpeed .~ yourDefaultSpeed * x)
             . (crStance . strideLength .~ ceiling (fromIntegral yourDefaultStrideLength * x))
@@ -309,7 +309,7 @@ sizeSelf x cr w
     cpos = _crPos cr
 
 pickUpItemID :: Int -> Int -> World -> World
-pickUpItemID cid flid w = pickUpItem cid (_floorItems w IM.! flid) w
+pickUpItemID cid flid w = pickUpItem cid (_floorItems (_cWorld w) IM.! flid) w
 
 {- | Pick up a specific item. -}
 pickUpItem :: Int -> FloorItem -> World -> World

src/Dodge/Creature/Boid.hs

@@ -175,7 +175,7 @@ swarmUsingCenter updT upd w cr = case _targetCr $ _crIntention cr of
     Just tcr -> updT tcr cenp cr
   where
     cid = _crID cr
-    cenp = _crGroupCenter $ _creatureGroups w IM.! _crGroupID (_crGroup $ _creatures w IM.! cid)
+    cenp = _crGroupCenter $ _creatureGroups (_cWorld w) IM.! _crGroupID (_crGroup $ _creatures (_cWorld w) IM.! cid)
 
 flockChaseTarget
     :: (Creature -> IM.IntMap Creature -> Creature -> Creature) -- ^ Update with target
@@ -188,7 +188,7 @@ flockChaseTarget updT upd w cr = case _targetCr $ _crIntention cr of
     Just tcr -> updT tcr crs cr
   where
     is = _swarm $ _crGroup cr
-    crs = IM.restrictKeys (_creatures w) is
+    crs = IM.restrictKeys (_creatures (_cWorld w)) is
 
 flockPointTarget
     :: (Creature -> IM.IntMap Creature -> Creature -> Point2)
@@ -201,7 +201,7 @@ flockPointTarget f targFunc w cr = case targFunc cr w of
     Just crTarg -> cr & crActionPlan . apImpulse .~ mvPointMeleeTarg p cr crTarg
       where
         is = _swarm $ _crGroup cr
-        crs = IM.restrictKeys (_creatures w) is
+        crs = IM.restrictKeys (_creatures (_cWorld w)) is
         p = f crTarg crs cr
 
 flockToPointUsing
@@ -213,7 +213,7 @@ flockToPointUsing pf mvf cr = reader $ \w -> case _targetCr $ _crIntention cr of
     Nothing -> cr
     Just tcr -> cr & crActionPlan . apImpulse .~ mvf ptarg cr tcr
       where
-        cenp = _crGroupCenter $ _creatureGroups w IM.! _crGroupID (_crGroup cr)
+        cenp = _crGroupCenter $ _creatureGroups (_cWorld w) IM.! _crGroupID (_crGroup cr)
         ptarg = pf tcr cenp cr
 flockToPointUsing'
     :: (Creature -> Point2 -> Creature -> Point2)
@@ -225,7 +225,7 @@ flockToPointUsing' pf mvf w cr = case _targetCr $ _crIntention cr of
     Nothing -> cr
     Just tcr -> cr & crActionPlan . apImpulse .~ mvf ptarg cr tcr
       where
-        cenp = _crGroupCenter $ _creatureGroups w IM.! _crGroupID (_crGroup cr)
+        cenp = _crGroupCenter $ _creatureGroups (_cWorld w) IM.! _crGroupID (_crGroup cr)
         ptarg = pf tcr cenp cr
 
 flockFunc
@@ -237,7 +237,7 @@ flockFunc f targFunc cr = reader $ \w -> case targFunc cr w of
     Nothing -> cr
     Just crTarg -> cr & crActionPlan . apImpulse .~ mvPointMeleeTarg p cr crTarg
       where
-        cenp = _crGroupCenter $ _creatureGroups w IM.! _crGroupID (_crGroup cr)
+        cenp = _crGroupCenter $ _creatureGroups (_cWorld w) IM.! _crGroupID (_crGroup cr)
         p = f crTarg cenp cr
 
 flockCenterFunc
@@ -249,7 +249,7 @@ flockCenterFunc f targFunc cr = reader $ \w -> case targFunc cr w of
     Nothing -> cr
     Just crTarg -> cr & crActionPlan . apImpulse .~ mvPointMeleeTarg p cr crTarg
       where
-        cenp = _crGroupCenter $ _creatureGroups w IM.! _crGroupID (_crGroup cr)
+        cenp = _crGroupCenter $ _creatureGroups (_cWorld w) IM.! _crGroupID (_crGroup cr)
         p = f crTarg cenp cr
 
 flockPointTargetR
@@ -262,7 +262,7 @@ flockPointTargetR f targFunc cr = reader $ \w -> case targFunc cr w of
     Just crTarg -> cr & crActionPlan . apImpulse .~ mvPointMeleeTarg p cr crTarg
       where
         is = _swarm $ _crGroup cr
-        crs = IM.restrictKeys (_creatures w) is
+        crs = IM.restrictKeys (_creatures (_cWorld w)) is
         p = f crTarg crs cr
 
 meleeHeadingMove

src/Dodge/Creature/Damage.hs

@@ -20,7 +20,7 @@ applyCreatureDamage dms cr = case _crMaterial cr of
 
 defaultApplyDamage :: [Damage] -> Creature -> World -> World
 defaultApplyDamage ds cr w = foldl' (applyIndividualDamage cr) w ds'
-    & creatures . ix (_crID cr) %~ doPoisonDam
+    & cWorld . creatures . ix (_crID cr) %~ doPoisonDam
   where 
     (ps,ds') = partition isPoison ds
     isPoison Damage{_dmType=POISONDAM} = True
@@ -31,15 +31,15 @@ defaultApplyDamage ds cr w = foldl' (applyIndividualDamage cr) w ds'
 applyDamageEffect :: Damage -> DamageEffect -> Creature -> World -> World
 applyDamageEffect dm de cr w = case de of
     PushDamage push pushexp pushRad -> w
-        & creatures . ix (_crID cr) . crPos .+.+~ pushAmount *.* squashNormalizeV (_crPos cr -.- fromDir) 
+        & cWorld . creatures . ix (_crID cr) . crPos .+.+~ pushAmount *.* squashNormalizeV (_crPos cr -.- fromDir) 
       where
         pushAmount
             | dist (_crPos cr) fromDir == 0 = 0
             | otherwise = min 5 $ (push*5*pushRad / (dist (_crPos cr) fromDir * _crMass cr))**pushexp
     PushBackDamage pback -> w
-        & creatures . ix (_crID cr) . crPos .+.+~ (pback/_crMass cr) *.* (_dmTo dm -.- fromDir)
+        & cWorld . creatures . ix (_crID cr) . crPos .+.+~ (pback/_crMass cr) *.* (_dmTo dm -.- fromDir)
     TorqueDamage rot -> w
-        & creatures . ix (_crID cr) . crDir +~ rot
+        & cWorld . creatures . ix (_crID cr) . crDir +~ rot
     NoDamageEffect -> w
   where
     fromDir = _dmFrom dm
@@ -62,7 +62,7 @@ applyPiercingDamage cr dm
     p1 = p +.+ 2 *.* squashNormalizeV (p -.- _crPos cr)
 
 damageHP :: Creature -> Int -> World -> World
-damageHP cr x = creatures . ix (_crID cr) %~
+damageHP cr x = cWorld . creatures . ix (_crID cr) %~
     ( (crHP -~ x)
     . (crPastDamage +~ x)
     )

src/Dodge/Creature/Impulse.hs

@@ -24,14 +24,14 @@ impulsiveAIBeforeAfter
     :: (World -> Creature -> Creature)
     -> (World -> Creature -> Creature)
     -> Creature -> World -> World
-impulsiveAIBeforeAfter startup endup cr w = w' & creatures . ix (_crID cr) .~ endup w' cr'
+impulsiveAIBeforeAfter startup endup cr w = w' & cWorld . creatures . ix (_crID cr) .~ endup w' cr'
   where
     w' = g w
     (g,cr') = impulsiveAI startup cr w
 
 impulsiveAIBefore :: (World -> Creature -> Creature)
     -> Creature -> World -> World
-impulsiveAIBefore f cr w = g w & creatures . ix (_crID cr) .~ cr'
+impulsiveAIBefore f cr w = g w & cWorld . creatures . ix (_crID cr) .~ cr'
   where
     (g,cr') = impulsiveAI f cr w
 
@@ -94,9 +94,9 @@ followImpulse cr w imp = case imp of
     cpos = _crPos cr
     cdir = _crDir cr
     cid  = _crID cr
-    posFromID cid' = _crPos $ _creatures w IM.! cid'
+    posFromID cid' = _crPos $ _creatures (_cWorld w) IM.! cid'
     rr a = randomR (-a,a) $ _randGen w
-    hitCr i = (creatures . ix i . crState . csDamage 
+    hitCr i = (cWorld . creatures . ix i . crState . csDamage 
         .:~ Damage BLUNT 100 cpos (posFromID i) (posFromID i) NoDamageEffect
         )
         . soundStart (CrSound cid) cpos hitS Nothing

src/Dodge/Creature/Impulse/UseItem.hs

@@ -20,11 +20,11 @@ import Data.Maybe
 
 useItem :: Creature -> World -> World
 useItem cr' w = fromMaybe (f w) $ do
-    cr <-  w ^? creatures . ix (_crID cr')
+    cr <-  w ^? cWorld . creatures . ix (_crID cr')
     it <- cr ^? crInv . ix (crSel cr)
     return $ itemEffect cr it w
   where
-    f = creatures . ix (_crID cr') . crHammerPosition .~ HammerDown
+    f = cWorld . creatures . ix (_crID cr') . crHammerPosition .~ HammerDown
 
 itemEffect :: Creature -> Item -> World -> World
 itemEffect cr it w = case it ^? itUse of
@@ -40,13 +40,13 @@ itemEffect cr it w = case it ^? itUse of
     hammerTest f = case _crHammerPosition cr of
         HammerUp -> f w
         _ -> w & setuhamdown
-    setuhamdown = creatures . ix (_crID cr) . crHammerPosition .~ HammerDown
+    setuhamdown = cWorld . creatures . ix (_crID cr) . crHammerPosition .~ HammerDown
-    doequipmentchange = setuhamdown $ hammerTest (toggleEquipmentAt (_rbOptions w) (crSel cr) cr
+    doequipmentchange = setuhamdown $ hammerTest (toggleEquipmentAt (_rbOptions (_cWorld w)) (crSel cr) cr
-        . activateEquipmentAt (_rbOptions w) cr)
+        . activateEquipmentAt (_rbOptions (_cWorld w)) cr)
 
 tryReload :: Creature -> Item -> World -> (World -> World) -> World -> World
 tryReload cr it w f
-    | _crID cr == _yourID w && itNeedsLoading it && _mouseButtons w M.!? SDL.ButtonLeft == Just False
+    | _crID cr == _yourID (_cWorld w) && itNeedsLoading it && _mouseButtons (_cWorld w) M.!? SDL.ButtonLeft == Just False
         = crToggleReloading cr
     | otherwise 
         = (runIdentity . pointToItem (_itPos it) (return . (itUse . useHammer .~ HammerDown)))
@@ -58,7 +58,7 @@ itNeedsLoading it = _laLoaded ic == 0 || not (_laPrimed ic)
     ic = _itConsumption it
 
 activateEquipmentAt :: RightButtonOptions -> Creature -> World -> World
-activateEquipmentAt rbo cr = creatures . ix (_crID cr) %~ case (rbo ^? opActivateEquipment . activateEquipment, rbo ^? opActivateEquipment . deactivateEquipment) of
+activateEquipmentAt rbo cr = cWorld . creatures . ix (_crID cr) %~ case (rbo ^? opActivateEquipment . activateEquipment, rbo ^? opActivateEquipment . deactivateEquipment) of
     (Just i,_) -> crLeftInvSel ?~ i
     (_,Just _) -> crLeftInvSel .~ Nothing
     _ -> id
@@ -67,31 +67,36 @@ toggleEquipmentAt :: RightButtonOptions -> Int -> Creature -> World -> World
 toggleEquipmentAt rbops invid cr w = case rbops ^? opAllocateEquipment of
     Just DoNotMoveEquipment -> w
     Just PutOnEquipment {_allocNewPos = newp}
-        -> w & crpoint . crEquipment . at newp ?~ invid
+        -> w 
+            & crpoint . crEquipment . at newp ?~ invid
             & crpoint . crInvEquipped . at invid ?~ newp
             & onequip itm cr
     Just MoveEquipment {_allocNewPos=newp,_allocOldPos = oldp }
-        -> w & crpoint . crEquipment . at newp ?~ invid
+        -> w 
+            & crpoint . crEquipment . at newp ?~ invid
             & crpoint . crEquipment . at oldp .~ Nothing
             & crpoint . crInvEquipped . at invid ?~ newp
     Just SwapEquipment {_allocNewPos=newp, _allocOldPos = oldp, _allocSwapID = sid }
-        -> w & crpoint . crEquipment . at newp ?~ invid
+        -> w 
+            & crpoint . crEquipment . at newp ?~ invid
             & crpoint . crEquipment . at oldp ?~ sid
             & crpoint . crInvEquipped . at invid ?~ newp
             & crpoint . crInvEquipped . at sid ?~ oldp
     Just ReplaceEquipment {_allocNewPos = newp, _allocRemoveID = rid }
-        -> w & crpoint . crEquipment . at newp ?~ invid
+        -> w 
+            & crpoint . crEquipment . at newp ?~ invid
             & crpoint . crInvEquipped . at invid ?~ newp
             & crpoint . crInvEquipped . at rid .~ Nothing
             & onremove (itmat rid) cr
             & onequip itm cr
     Just RemoveEquipment {_allocOldPos = oldp }
-        -> w & crpoint . crEquipment . at oldp .~ Nothing
+        -> w 
+            & crpoint . crEquipment . at oldp .~ Nothing
             & crpoint . crInvEquipped . at invid .~ Nothing
             & onremove itm cr
     Nothing -> error "tried to toggle equipment whilst not prepared"
   where
-    crpoint = creatures . ix (_crID cr)
+    crpoint = cWorld . creatures . ix (_crID cr)
     itmat i = _crInv cr IM.! i
     itm = itmat (crSel cr)
     onequip itm' = useE ((_eqOnEquip . _eqEq . _itUse) itm') itm'
@@ -110,7 +115,7 @@ useLeftItem cid w
             . useL f itm cr 
             $ w
   where
-    cr = _creatures w IM.! cid
+    cr = _creatures (_cWorld w) IM.! cid
     itmShouldBeUsed = isJust (cr ^? crInv . ix (crSel cr) . itUse . cUse)
         || ( isJust (cr ^? crInv . ix (crSel cr) . itUse . eqEq . eqUse)
             && _crLeftInvSel cr /= Just (crSel cr)

src/Dodge/Creature/Perception.hs

@@ -91,7 +91,7 @@ chaseCritAwarenessUpdate w cr = case _cpAttention $ _crPerception cr of
                   in crActionPlan . apStrategy .~ StrategyActions WarningCry 
                         [ImpulsesList ([Bark soundid]: replicate numjits [RandomImpulse thejitter]++
                             [[ChangeStrategy $ CloseToMelee 0] ])
-                        , AimAt 0 (_crPos $ _creatures w IM.! 0)
+                        , AimAt 0 (_crPos $ _creatures (_cWorld w) IM.! 0)
                         ]
             | otherwise = id
 
@@ -139,7 +139,7 @@ newExtraAwareness cr w cid
     | otherwise = Just . Suspicious $ doFloatFloat (_viFOV vi) ang * doFloatFloat (_viDist vi) d * awakeLevelPerception cr
   where
     vi = _cpVision $ _crPerception cr
-    tpos = _crPos $ _creatures w IM.! cid
+    tpos = _crPos $ _creatures (_cWorld w) IM.! cid
     cpos = _crPos cr
     ang  = angleVV (unitVectorAtAngle (_crDir cr)) (tpos - cpos)
     d = dist tpos cpos

src/Dodge/Creature/Picture/Awareness.hs

@@ -21,8 +21,8 @@ creatureDisplayText w cr = setLayer DebugLayer
         ]
         ) w cr
   where
-    campos = _cameraViewFrom w
+    campos = _cameraViewFrom (_cWorld w)
-    theScale = 0.15 / _cameraZoom w
+    theScale = 0.15 / _cameraZoom (_cWorld w)
     cpos = _crPos cr
     v = cpos -.- campos
     (V2 x y) = campos +.+ v +.+ _crRad cr *.* normalizeV v

src/Dodge/Creature/ReaderUpdate.hs

@@ -172,7 +172,7 @@ targetYouWhenCognizant :: World -> Creature -> Creature
 targetYouWhenCognizant w cr = case cr ^? crPerception . cpAwareness . ix 0 of
 -- so this caused a space leak: be careful with ?~
 -- consider changing targeted creature to be just an index
-    Just (Cognizant _)  -> _creatures w IM.! 0 `seq` cr & crIntention . targetCr ?~ _creatures w IM.! 0
+    Just (Cognizant _)  -> _creatures (_cWorld w) IM.! 0 `seq` cr & crIntention . targetCr ?~ _creatures (_cWorld w) IM.! 0
     _                   -> cr & crIntention . targetCr .~ Nothing
 
 searchIfDamaged :: Creature -> Creature

src/Dodge/Creature/SetTarget.hs

@@ -10,6 +10,6 @@ targetYouWhenCognizant
     -> Creature
     -> Creature
 targetYouWhenCognizant w cr = case cr ^? crPerception . cpAwareness . ix 0 of
-    Just (Cognizant _)  -> cr & crIntention . targetCr ?~ _creatures w IM.! 0
+    Just (Cognizant _)  -> cr & crIntention . targetCr ?~ _creatures (_cWorld w) IM.! 0
     _                   -> cr & crIntention . targetCr .~ Nothing
 

src/Dodge/Creature/State.hs

@@ -32,7 +32,7 @@ foldCr :: [Creature -> World -> World]
 --foldCr xs cr w = foldr ($ cr) w xs
 foldCr xs cr w = foldr f w xs
   where
-    f g w' = case w' ^? creatures . ix (_crID cr) of
+    f g w' = case w' ^? cWorld . creatures . ix (_crID cr) of
         Just cr' -> g cr' w'
         Nothing  -> w'
 
@@ -66,15 +66,15 @@ checkDeath cr w
         & corpseOrGib cr
   where
     removecr
-        | _crID cr == 0 = (creatures . ix (_crID cr) . crType .~ NonDrawnCreature)
+        | _crID cr == 0 = (cWorld . creatures . ix (_crID cr) . crType .~ NonDrawnCreature)
-            . (creatures . ix (_crID cr) . crHP   .~ 0) 
+            . (cWorld . creatures . ix (_crID cr) . crHP   .~ 0) 
             -- hack to get around player creature being killed but left with more than 0 hp
-        | otherwise  = creatures . at (_crID cr) .~ Nothing
+        | otherwise  = cWorld . creatures . at (_crID cr) .~ Nothing
 corpseOrGib :: Creature -> World -> World
 corpseOrGib cr w = case maxDamageType (_csDamage (_crState cr)) of
-    Just (FLAMING,_) -> w & plNew corpses cpID (thecorpse & cpSPic %~ scorchSPic)
+    Just (FLAMING,_)    -> w & plNew (cWorld . corpses) cpID (thecorpse & cpSPic %~ scorchSPic)
-    Just (ELECTRICAL,_) -> w & plNew corpses cpID thecorpse
+    Just (ELECTRICAL,_) -> w & plNew (cWorld . corpses) cpID thecorpse
-    Just (POISONDAM,_) -> w & plNew corpses cpID (thecorpse & cpSPic %~ poisonSPic)
+    Just (POISONDAM,_)  -> w & plNew (cWorld . corpses) cpID (thecorpse & cpSPic %~ poisonSPic)
     _ | _crPastDamage cr > 200 -> w & addCrGibs cr
         & bloodPuddleAt cpos
         & bloodPuddleAt cpos
@@ -82,7 +82,7 @@ corpseOrGib cr w = case maxDamageType (_csDamage (_crState cr)) of
     _ -> w
         & bloodPuddleAt cpos
         & bloodPuddleAt cpos
-        & plNew corpses cpID thecorpse
+        & plNew (cWorld . corpses) cpID thecorpse
   where
     cpos = _crPos cr
     thecorpse = makeDefaultCorpse cr
@@ -104,14 +104,14 @@ poisonSPic = over _1 $
 
 bloodPuddleAt :: Point2 -> World -> World
 bloodPuddleAt p w = w
-    & snd . plNewID decorations 
+    & snd . plNewID (cWorld . decorations)
         (color (dark $ dark red) . setDepth 01 . uncurryV translate (p +.+ q) $ circleSolid 10)
     & randGen .~ g
   where
     (q,g) = randInCirc 10 & runState $ _randGen w
 
 internalUpdate :: Creature -> World -> World
-internalUpdate cr = creatures . ix (_crID cr) %~ 
+internalUpdate cr = cWorld . creatures . ix (_crID cr) %~ 
     ( (crHammerPosition %~ moveHammerUp)
     . stepReloading
     . updateMovement
@@ -127,7 +127,7 @@ dropByState cr w = foldr (dropItem cr) w $ case cr ^. crState . csDropsOnDeath o
 
 clearDamage :: Creature -> World -> World
 clearDamage cr w = w
-    & creatures . ix (_crID cr) . crState . csDamage .~ [] 
+    & cWorld . creatures . ix (_crID cr) . crState . csDamage .~ [] 
 
 doDamage :: Creature -> World -> World
 doDamage cr w = w
@@ -140,13 +140,13 @@ doDamage cr w = w
 applyPastDamages :: Creature -> World -> World
 applyPastDamages cr w
     | _crPastDamage cr > 200 = let (p,g) = runState (randInCirc 3) (_randGen w)
-        in w & creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 100))
+        in w & cWorld . creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 100))
             & randGen .~ g
     | _crPastDamage cr > 20 = let (p,g) = runState (randInCirc 2) (_randGen w)
-        in w & creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 10))
+        in w & cWorld . creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 10))
             & randGen .~ g
     | _crPastDamage cr > 0 = let (p,g) = runState (randInCirc 1) (_randGen w)
-        in w & creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 1))
+        in w & cWorld . creatures . ix (_crID cr) %~ (crMvBy p . (crPastDamage -~ 1))
             & randGen .~ g
     | otherwise = w
 
@@ -184,7 +184,7 @@ useEquipment cr i = useE (_eqUse (_eqEq $ _itUse itm)) itm cr
     itm = _crInv cr IM.! i
 -- a map updating all inventory items
 upInv :: Creature -> World -> World
-upInv cr = creatures . ix (_crID cr) . crInv %~ IM.mapWithKey (itemUpdate cr)
+upInv cr = cWorld . creatures . ix (_crID cr) . crInv %~ IM.mapWithKey (itemUpdate cr)
 -- a loop going over equipped items
 equipmentEffects :: Creature -> World -> World
 equipmentEffects cr = flip (foldr $ useEquipment cr) (IM.keys $ _crInvEquipped cr)
@@ -226,7 +226,7 @@ doItemTargeting invid cr w = case cr ^? crInv . ix invid . itTargeting of
     Nothing -> w
     Just NoTargeting -> w
     Just t  -> let (w',t') = updateTargeting (_tgUpdate t) (_crInv cr IM.! invid) cr w t
-        in w' & creatures . ix (_crID cr) . crInv . ix invid . itTargeting .~ t'
+        in w' & cWorld . creatures . ix (_crID cr) . crInv . ix invid . itTargeting .~ t'
 
 weaponReloadSounds :: Creature -> World -> World
 weaponReloadSounds cr w = case cr ^? crInvSel . iselAction of

src/Dodge/Creature/YourControl.hs

@@ -18,12 +18,12 @@ yourControl :: Creature -> World -> World
 yourControl cr w 
     | inTermFocus w = dimCreatureLight cr w & updateUsingInput
     | otherwise = dimCreatureLight cr w
-        & creatures . ix (_crID cr) %~ 
+        & cWorld . creatures . ix (_crID cr) %~ 
-            (wasdWithAiming w (_mvSpeed $ _crMvType cr) . mouseActionsCr (_mouseButtons w))
+            (wasdWithAiming w (_mvSpeed $ _crMvType cr) . mouseActionsCr (_mouseButtons (_cWorld w)))
         & updateUsingInput
 
 dimCreatureLight :: Creature -> World -> World
-dimCreatureLight cr = tempLightSources .:~ tlsTimeRadColPos 1 300 0.1 (addZ 100 $ _crPos cr)
+dimCreatureLight cr = cWorld . tempLightSources .:~ tlsTimeRadColPos 1 300 0.1 (addZ 100 $ _crPos cr)
 
 -- note the order of operation, setting the posture first--this prevents the twist fire bug
 
@@ -35,7 +35,7 @@ wasdWithAiming
     -> Creature
 wasdWithAiming w speed cr
     | isAiming  = addAnyTwist $ set crDir mouseDir $ theMovement cr
-    | crIsReloading cr && SDL.ButtonRight `M.member` _mouseButtons w
+    | crIsReloading cr && SDL.ButtonRight `M.member` _mouseButtons (_cWorld w)
                 = addAnyTwist $ set crDir (mouseDir + anytwist) $ theMovement cr
     | otherwise = theMovement $ theTurn $ removeTwist cr
   where 
@@ -52,12 +52,12 @@ wasdWithAiming w speed cr
         | otherwise = crMvAbsolute (speed *.* movAbs) . set crMvDir dir
     theTurn cr' = creatureTurnTowardDir (_crMvDir cr') 0.2 cr'
     movDir = wasdDir w
-    dir = _cameraRot w + argV movDir
+    dir = _cameraRot (_cWorld w) + argV movDir
-    movAbs   = rotateV (_cameraRot w) $ normalizeV movDir
+    movAbs   = rotateV (_cameraRot (_cWorld w)) $ normalizeV movDir
     isAiming = _posture (_crStance cr) == Aiming
     mouseDir = case cr ^? crInv . ix (crSel cr) . itScope . scopePos of
         Just _ -> argV $ mouseWorldPos w -.- _crPos cr
-        _ -> argV (_mousePos w) + _cameraRot w
+        _ -> argV (_mousePos (_cWorld w)) + _cameraRot (_cWorld w)
 
 wasdM :: SDL.Scancode -> Point2
 wasdM scancode = case scancode of
@@ -68,7 +68,7 @@ wasdM scancode = case scancode of
     _             -> V2   0    0
 
 wasdDir :: World -> Point2
-wasdDir = foldr ((+.+) . wasdM) (V2 0 0) . _keys
+wasdDir = foldr ((+.+) . wasdM) (V2 0 0) . _keys . _cWorld
 
 {- | Set posture according to mouse presses. -}
 mouseActionsCr :: M.Map SDL.MouseButton Bool -> Creature -> Creature

src/Dodge/CreatureEffect.hs

@@ -92,7 +92,7 @@ chooseMovementSpreadGun cr w
   where
     d = dist cpos p
     cpos = _crPos cr
-    tcr = _creatures w IM.! 0
+    tcr = _creatures (_cWorld w) IM.! 0
     p = _crPos tcr
 
 chooseMovementLtAuto :: Creature -> World -> Action
@@ -105,7 +105,7 @@ chooseMovementLtAuto cr w
           = DoImpulses [UseItem,TurnToward p' 0.05, Move (V2 0 3)]
   where
     cpos = _crPos cr
-    tcr = _creatures w IM.! 0
+    tcr = _creatures (_cWorld w) IM.! 0
     p = _crPos tcr
     v = vNormal $ p -.- cpos
     p' = p +.+ 0.5 *.* (v -.- 20 *.* normalizeV v)

src/Dodge/CullBox.hs

@@ -13,15 +13,15 @@ import Control.Lens
 findBoundDists :: Configuration -> World -> (Float,Float,Float,Float)
 findBoundDists cfig w
     | debugOn Bound_box_screen cfig = (hh,-hh,hw,-hw)
-    | otherwise = fromMaybe (0,0,0,0) $ farWallDistDirection (_cameraCenter w) w
+    | otherwise = fromMaybe (0,0,0,0) $ farWallDistDirection (_cameraCenter (_cWorld w)) w
   where
     hw = halfWidth cfig
     hh = halfHeight cfig
 
 updateBounds :: Universe -> Universe
 updateBounds uv = uv
-    & uvWorld . boundDist .~ bdists
+    & uvWorld . cWorld . boundDist .~ bdists
-    & uvWorld . boundBox  .~ map ( (+.+ _cameraCenter w) . rotateV (_cameraRot w) ) (rectNSWE n s w' e)
+    & uvWorld . cWorld . boundBox  .~ map ( (+.+ _cameraCenter (_cWorld w)) . rotateV (_cameraRot (_cWorld w)) ) (rectNSWE n s w' e)
   where
     w = _uvWorld uv
     cfig = _uvConfig uv

src/Dodge/Cuse.hs

@@ -6,4 +6,4 @@ import Control.Lens
 useC :: Cuse -> Item -> Creature -> World -> World
 useC cu = case cu of
     CDoNothing -> const $ const id
-    CHeal x -> const $ \cr -> creatures . ix (_crID cr) . crHP +~ x
+    CHeal x -> const $ \cr -> cWorld . creatures . ix (_crID cr) . crHP +~ x

src/Dodge/Damage.hs

@@ -9,11 +9,11 @@ import qualified Data.Map.Strict as M
 damageCrWlID :: Damage -> CrWlID -> World -> World
 damageCrWlID dam crwl = case crwl of
     NothingID -> id
-    CrID cid  -> creatures . ix cid . crState . csDamage .:~ dam
+    CrID cid  -> cWorld . creatures . ix cid . crState . csDamage .:~ dam
-    WlID wlid -> wallDamages . ix wlid .:~ dam
+    WlID wlid -> cWorld . wallDamages . ix wlid .:~ dam
 
 damageCrWall :: Damage -> Either Creature Wall -> World -> World
-damageCrWall dt (Left cr) = creatures . ix (_crID cr) . crState . csDamage .:~ dt
+damageCrWall dt (Left cr) = cWorld . creatures . ix (_crID cr) . crState . csDamage .:~ dt
 damageCrWall dt (Right wl) = damageWall dt wl
 
 damageDirection :: [Damage] -> Maybe Float

src/Dodge/DamageCircle.hs

@@ -10,8 +10,8 @@ import Data.Foldable
 import qualified IntMapHelp as IM
 damageCircle :: Float -> Point2 -> DamageType -> Int -> World -> World
 damageCircle r sp dt da w = w
-    & wallDamages %~ addwalldamages
+    & cWorld . wallDamages %~ addwalldamages
-    & creatures %~ addcreaturedamages
+    & cWorld . creatures %~ addcreaturedamages
   where
     --addwalldamages wlds = runIdentity $ S.fold_ (damageWlCircle wldam) wlds id wlstodam
     addwalldamages wlds = foldl' (damageWlCircle wldam) wlds wlstodam

src/Dodge/Data.hs

@@ -205,6 +205,12 @@ data GenWorld = GenWorld
     , _genRooms         :: IM.IntMap Room
     }
 data World = World
+    { _cWorld :: CWorld
+    , _randGen :: StdGen
+    , _toPlaySounds     :: M.Map SoundOrigin Sound
+    , _playingSounds    :: M.Map SoundOrigin Sound
+    }
+data CWorld = CWorld 
     { _keys             :: S.Set Scancode
     , _mouseButtons     :: M.Map MouseButton Bool
     , _mousePos         :: Point2
@@ -259,15 +265,12 @@ data World = World
     , _wlZoning         :: IM.IntMap (IM.IntMap IS.IntSet) -- Zoning IM.IntMap Wall
     , _floorItems       :: IM.IntMap FloorItem
     , _floorTiles       :: [(Point3,Point3)]
-    , _randGen          :: StdGen
     , _modifications    :: IM.IntMap Modification
     , _yourID           :: Int
     , _worldEvents      :: [WdWd]
     , _delayedEvents    :: [(Int,WdWd)]
     , _pressPlates      :: IM.IntMap PressPlate
     , _buttons          :: IM.IntMap Button
-    , _toPlaySounds     :: M.Map SoundOrigin Sound
-    , _playingSounds    :: M.Map SoundOrigin Sound
     , _decorations      :: IM.IntMap Picture
     , _foregroundShapes :: IM.IntMap ForegroundShape
     , _corpses          :: IM.IntMap Corpse
@@ -501,6 +504,7 @@ makeLenses ''Equipment
 makeLenses ''ScreenLayer
 makeLenses ''WorldBeams
 makeLenses ''GenWorld
+makeLenses ''CWorld
 
 ----- ROOM LENSES
 

src/Dodge/Debug/LinkDecoration.hs

@@ -14,11 +14,11 @@ import Geometry.Vector
 import Control.Lens
 
 addRoomPolyDecorations :: [Room] -> World -> World
-addRoomPolyDecorations rms w = w & decorations %~ 
+addRoomPolyDecorations rms w = w & cWorld . decorations %~ 
     IM.insertWithNewKeys (map roomPolyDecorations rms)
 
 addRoomLinkDecorations :: [Room] -> World -> World
-addRoomLinkDecorations rms w = w & decorations %~ 
+addRoomLinkDecorations rms w = w & cWorld . decorations %~ 
     IM.insertWithNewKeys (map roomLinkDecorations rms)
 
 roomLinkDecorations :: Room -> Picture

src/Dodge/Debug/Picture.hs

@@ -19,10 +19,10 @@ printRotPoint r p = color white
 outsideScreenPolygon :: Configuration -> World -> [Point2]
 outsideScreenPolygon cfig w = [tr,tl,bl,br]
   where 
-    scRot  = rotateV (_cameraRot w)
+    scRot  = rotateV (_cameraRot (_cWorld w))
-    scZoom p | _cameraZoom w /= 0 = (1/_cameraZoom w) *.* p
+    scZoom p | _cameraZoom (_cWorld w) /= 0 = (1/_cameraZoom (_cWorld w)) *.* p
              | otherwise = error "Trying to set screen zoom to zero"
-    scTran p = p +.+ _cameraCenter w
+    scTran p = p +.+ _cameraCenter (_cWorld w)
     tr = f   3    3
     tl = f (-3)   3
     br = f   3  (-3)
@@ -37,9 +37,9 @@ lineOnScreenCone cfig w p1 p2 = pointInPolygon p1 sp
     || any (isJust . uncurry (intersectSegSeg p1 p2)) sps
   where 
     sp' = screenPolygon cfig w
-    vp = _cameraViewFrom w
+    vp = _cameraViewFrom (_cWorld w)
     sp | pointInPolygon vp sp' = sp'
-       | otherwise = orderPolygon (_cameraViewFrom w : sp')
+       | otherwise = orderPolygon (_cameraViewFrom (_cWorld w) : sp')
     sps = zip sp (tail sp ++ [head sp])
 
 pointOnScreen :: Configuration -> World -> Point2 -> Bool
@@ -52,7 +52,7 @@ drawWallFace cfig w wall
   where 
     (x,y) = _wlLine wall 
     points = extendConeToScreenEdge cfig w sightFrom (x,y)
-    sightFrom = _cameraViewFrom w
+    sightFrom = _cameraViewFrom (_cWorld w)
 
 extendConeToScreenEdge :: Configuration -> World -> Point2 -> (Point2,Point2) -> [Point2]
 extendConeToScreenEdge cfig w c (x,y) = orderPolygon $ wallScreenIntersect ++ [x,y] ++ borderPs ++ cornerPs

src/Dodge/Debug/Terminal.hs

@@ -31,16 +31,16 @@ applyTerminalString ss = case ss of
 applyTerminalCommand :: String -> Universe -> Universe
 applyTerminalCommand s = case s of
     "NOCLIP" -> uvConfig . debug_booleans . at Noclip %~ toggleJust
-    "LOADME" -> (uvWorld . creatures . ix 0 . crInv .~ stackedInventory)
+    "LOADME" -> (uvWorld . cWorld . creatures . ix 0 . crInv .~ stackedInventory)
-        . (uvWorld . creatures . ix 0 . crInvCapacity .~ 50)
+        . (uvWorld . cWorld . creatures . ix 0 . crInvCapacity .~ 50)
     "LM"    -> applyTerminalCommand "LOADME"
     "LT"    -> applyTerminalCommand "LOADTEST"
-    ['L',x]     -> (uvWorld . creatures . ix 0 . crInv .~ IM.fromList (zip [0..] $ inventoryX x))
+    ['L',x]     -> (uvWorld . cWorld . creatures . ix 0 . crInv .~ IM.fromList (zip [0..] $ inventoryX x))
-        . (uvWorld . creatures . ix 0 . crInvCapacity .~ 50)
+        . (uvWorld . cWorld . creatures . ix 0 . crInvCapacity .~ 50)
-    "GODON"     -> uvWorld . creatures . ix 0 . crMaterial .~ Crystal
+    "GODON"     -> uvWorld . cWorld . creatures . ix 0 . crMaterial .~ Crystal
-    "GODOFF"    -> uvWorld . creatures . ix 0 . crMaterial .~ Flesh
+    "GODOFF"    -> uvWorld . cWorld . creatures . ix 0 . crMaterial .~ Flesh
-    "LOADTEST"  -> (uvWorld . creatures . ix 0 . crInv .~ testInventory)
+    "LOADTEST"  -> (uvWorld . cWorld . creatures . ix 0 . crInv .~ testInventory)
-        . (uvWorld . creatures . ix 0 . crInvCapacity .~ 50)
+        . (uvWorld . cWorld . creatures . ix 0 . crInvCapacity .~ 50)
     _ -> id
 --applyTerminalString' ('s': 'e': 't': '_': 'h': 'p': ' ': hp)
 --    | isNothing (readMaybe hp :: Maybe Int) = id
@@ -85,10 +85,10 @@ applySetTerminalString :: String -> Universe -> Universe
 applySetTerminalString [] = id
 applySetTerminalString var = case key' of
     "" -> showTerminalError ("set "++var) ("Unable to read as argument as float: " ++ val)
-    "hp" -> uvWorld . creatures . ix 0 . crHP .~ round (fromJust val')
+    "hp" -> uvWorld . cWorld . creatures . ix 0 . crHP .~ round (fromJust val')
-    "invcap" -> uvWorld . creatures . ix 0 . crInvCapacity .~ round (fromJust val')
+    "invcap" -> uvWorld . cWorld . creatures . ix 0 . crInvCapacity .~ round (fromJust val')
-    "mass" -> uvWorld . creatures . ix 0 . crMass .~ fromJust val'
+    "mass" -> uvWorld . cWorld . creatures . ix 0 . crMass .~ fromJust val'
-    "mvspeed" -> uvWorld . creatures . ix 0 . crMvType .mvSpeed .~ fromJust val'
+    "mvspeed" -> uvWorld . cWorld . creatures . ix 0 . crMvType .mvSpeed .~ fromJust val'
     _ -> showTerminalError ("set "++var) ("Invalid set command: " ++ key) -- never reached?
     where
         (key, val) = getSplitString var

src/Dodge/Default/World.hs

@@ -11,6 +11,14 @@ import Data.Graph.Inductive.Graph hiding ((&))
 --import Data.Graph.Inductive.NodeMap
 defaultWorld :: World
 defaultWorld = World
+    { _cWorld = defaultCWorld
+    , _toPlaySounds = M.empty
+    , _playingSounds = M.empty
+    , _randGen = mkStdGen 2
+    }
+
+defaultCWorld :: CWorld
+defaultCWorld = CWorld
     { _keys             = S.empty
     , _magnets          = IM.empty
     , _mouseButtons     = mempty
@@ -62,15 +70,12 @@ defaultWorld = World
     , _wlZoning     = IM.empty --Zoning IM.empty wlZoneSize zoneOfWall
     , _floorItems = IM.empty
     , _floorTiles = []
-    , _randGen = mkStdGen 2
     , _mousePos = V2 0 0
     , _yourID = 0
     , _worldEvents = []
     , _delayedEvents = []
     , _pressPlates = IM.empty
     , _buttons = IM.empty
-    , _toPlaySounds = M.empty
-    , _playingSounds = M.empty
     , _corpses = IM.empty
     , _decorations = IM.empty
     --, _savedWorlds = M.empty

src/Dodge/DrWdWd.hs

@@ -26,7 +26,7 @@ doorMechanism dr w = case mvDir of
     Just d -> w
         & flip (IS.foldl' (flip (`translateWallID` d))) (_drWallIDs dr)
         & moveUpdate 
-        & doors . ix drid . drPos . each %~ (+.+ d)
+        & cWorld . doors . ix drid . drPos . each %~ (+.+ d)
         & maybeClearDoorPaths (_drObstacleType dr) (_drObstructs dr)
     Nothing -> w
   where
@@ -46,9 +46,9 @@ doorMechanism dr w = case mvDir of
     dop = snd $ _drOpenPos dr
     dcp = snd $ _drClosePos dr
     setStatus
-        | dist dpos dop < 1 = doors . ix drid . drStatus .~ DoorOpen
+        | dist dpos dop < 1 = cWorld . doors . ix drid . drStatus .~ DoorOpen
-        | dist dpos dcp < 1 = doors . ix drid . drStatus .~ DoorClosed
+        | dist dpos dcp < 1 = cWorld . doors . ix drid . drStatus .~ DoorClosed
-        | otherwise                       = doors . ix drid . drStatus .~ DoorHalfway
+        | otherwise         = cWorld . doors . ix drid . drStatus .~ DoorHalfway
 
 -- TODO use vector instead of list, perhaps also memoisation of rectanglePairs
 -- TODO update _drPos
@@ -70,7 +70,7 @@ doorMechanismStepwise nsteps wlids pss dr w
     playSound = soundContinue (WallSound drid) (fst $ head pss) slideDoorS (Just 1)
     toOpen = doWdBl (_drTrigger dr) w
     setWalls n = playSound (foldl' (&) w (zipWith moveWallID wlids newps))
-        & doors . ix drid . drStatus .~ DoorInt n
+        & cWorld . doors . ix drid . drStatus .~ DoorInt n
       where
         newps = uncurry (rectanglePairs 9) (pss !! n)
 -- it is not at all clear that the zoning selects the correct walls

src/Dodge/EnergyBall.hs

@@ -17,7 +17,7 @@ makeFlamelet
     -> World
 makeFlamelet (V2 x y) z vel size time w = w
     & randGen   .~ g
-    & energyBalls .:~ EnergyBall 
+    & cWorld . energyBalls .:~ EnergyBall 
         { _ebVel        = vel
         , _ebColor      = red
         , _ebPos        = V2 x y
@@ -39,7 +39,7 @@ moveEnergyBall w eb
 
 
 incBallAt :: Point2 -> World -> World
-incBallAt p w = w & energyBalls .:~ theincball
+incBallAt p w = w & cWorld . energyBalls .:~ theincball
     & randGen .~ g
   where
     (theincball,g) = runState thestate (_randGen w)
@@ -58,6 +58,6 @@ incBallAt p w = w & energyBalls .:~ theincball
 
 ebFlicker :: EnergyBall -> World -> World
 ebFlicker pt 
-    | _ebTimer pt `mod` 7 == 0 = tempLightSources 
+    | _ebTimer pt `mod` 7 == 0 = cWorld . tempLightSources 
         .:~ tlsTimeRadColPos 1 70 (0.5 *.*.* xyzV4 (_ebColor pt)) (addZ 20 $ _ebPos pt)
     | otherwise = id

src/Dodge/Event.hs

@@ -46,7 +46,7 @@ handleEvent e = case eventPayload e of
     _                          -> return . Just
 
 handleMouseMotionEvent :: MouseMotionEventData -> Universe -> Maybe Universe
-handleMouseMotionEvent mmev u = Just $ u & uvWorld . mousePos .~ V2
+handleMouseMotionEvent mmev u = Just $ u & uvWorld . cWorld . mousePos .~ V2
     (fromIntegral x - 0.5*_windowX cfig)
     (0.5*_windowY cfig - fromIntegral y)
   where
@@ -55,8 +55,8 @@ handleMouseMotionEvent mmev u = Just $ u & uvWorld . mousePos .~ V2
 
 handleMouseButtonEvent :: MouseButtonEventData -> World -> World
 handleMouseButtonEvent mbev = case mouseButtonEventMotion mbev of
-    Released -> mouseButtons . at thebutton .~ Nothing
+    Released -> cWorld . mouseButtons . at thebutton .~ Nothing
-    Pressed  -> mouseButtons . at thebutton ?~ False
+    Pressed  -> cWorld . mouseButtons . at thebutton ?~ False
   where
     thebutton = mouseButtonEventButton mbev
 
@@ -89,19 +89,19 @@ handleMouseWheelEvent mwev w = case _menuLayers w of
     _ -> Just w
 
 wheelEvent :: Float -> World -> World
-wheelEvent y w = case _hudElement $ _hud w of
+wheelEvent y w = case _hudElement $ _hud (_cWorld w) of
     DisplayCarte
-        | rbDown -> w & hud . carteZoom %~ min 0.75 . max 0.05 . ((1+y*0.1) * )
+        | rbDown -> w & cWorld . hud . carteZoom %~ min 0.75 . max 0.05 . ((1+y*0.1) * )
-        | otherwise -> w & selLocation %~ (`mod` numLocs) . (+ yi)
+        | otherwise -> w & cWorld . selLocation %~ (`mod` numLocs) . (+ yi)
     DisplayInventory NoSubInventory
             -- functions that modify the inventory should be centralised so that
             -- this lock can be sensibly applied, perhaps
-        | _crInvLock (_creatures w IM.! _yourID w) -> w
+        | _crInvLock (_creatures (_cWorld w) IM.! _yourID (_cWorld w)) -> w
-        | rbDown -> case (yourItem w ^? _Just . itUse . heldScroll,_rbOptions w) of
+        | rbDown -> case (yourItem w ^? _Just . itUse . heldScroll,_rbOptions (_cWorld w)) of
             (_,EquipOptions{}) -> scrollRBOption y w
             (Nothing,_) -> closeObjScrollDir y w
-            (Just f,_)  -> w & creatures . ix 0 . crInv . ix (crSel $ you w) %~ doHeldScroll f y (you w)
+            (Just f,_)  -> w & cWorld . creatures . ix 0 . crInv . ix (crSel $ you w) %~ doHeldScroll f y (you w)
-        | lbDown -> w & cameraZoom +~ y
+        | lbDown -> w & cWorld . cameraZoom +~ y
         | invKeyDown -> changeSwapInvSel yi w
         | otherwise  -> stopSoundFrom (CrReloadSound 0) $ changeAugInvSel yi w
     DisplayInventory TweakInventory
@@ -110,12 +110,12 @@ wheelEvent y w = case _hudElement $ _hud w of
         | rbDown ->     w & changeTweakParam yi
         | otherwise ->  w & moveTweakSel yi
     DisplayInventory (CombineInventory _) -> w
-        & hud . hudElement . subInventory . combineInvSel . _Just %~ ((`mod` numcombs) . subtract yi)
+        & cWorld . hud . hudElement . subInventory . combineInvSel . _Just %~ ((`mod` numcombs) . subtract yi)
     DisplayInventory (DisplayTerminal tmid)
         | rbDown && inTermFocus w -> guardDisconnectedID tmid w $ w
-            & terminals . ix tmid %~ updatetermsubsel
+            & cWorld . terminals . ix tmid %~ updatetermsubsel
         | inTermFocus w -> w
-            & terminals . ix tmid %~ updatetermsel
+            & cWorld . terminals . ix tmid %~ updatetermsel
     _ -> w
   where
     updatetermsel tm = case tm ^? tmInput . tiSel of
@@ -134,10 +134,10 @@ wheelEvent y w = case _hudElement $ _hud w of
         arg = getArguments' tc tm w' !! j
     numcombs = length $ combineItemListYou w
     yi = round $ signum y
-    numLocs = (fst . IM.findMax $ _seenLocations w) + 1
+    numLocs = (fst . IM.findMax $ _seenLocations (_cWorld w)) + 1
-    rbDown = ButtonRight `M.member` _mouseButtons w
+    rbDown = ButtonRight `M.member` _mouseButtons (_cWorld w)
-    lbDown = ButtonLeft `M.member` _mouseButtons w
+    lbDown = ButtonLeft `M.member` _mouseButtons (_cWorld w)
-    invKeyDown = ScancodeCapsLock `S.member` _keys w
+    invKeyDown = ScancodeCapsLock `S.member` _keys (_cWorld w)
 
 getArguments' :: TerminalCommand -> Terminal -> World -> [String]
 getArguments' tc tm = ("" :) . getArguments tc tm
@@ -159,18 +159,18 @@ nullCommand = TerminalCommand
 
 scrollRBOption :: Float -> World -> World
 scrollRBOption y w
-    | y < 0 = w & rbOptions . opSel %~ (min (length (_opEquip (_rbOptions w))-1) . (+1))
+    | y < 0 = w & cWorld . rbOptions . opSel %~ (min (length (_opEquip (_rbOptions (_cWorld w)))-1) . (+1))
-    | y > 0 = w & rbOptions . opSel %~ (max 0 . subtract 1)
+    | y > 0 = w & cWorld . rbOptions . opSel %~ (max 0 . subtract 1)
     | otherwise = w
 
 moveTweakSel :: Int -> World -> World
 moveTweakSel i w = case yourItem w ^? _Just . itTweaks . tweakParams of
-    Just l -> w & creatures . ix (_yourID w) . crInv . ix (crSel (you w))
+    Just l -> w & cWorld . creatures . ix (_yourID (_cWorld w)) . crInv . ix (crSel (you w))
                     . itTweaks . tweakSel %~ (`mod` length l) . subtract i
     _ -> w
 changeTweakParam :: Int -> World -> World
 changeTweakParam i w = w
-    & creatures . ix (_yourID w) . crInv . ix (crSel (you w)) %~
+    & cWorld . creatures . ix (_yourID (_cWorld w)) . crInv . ix (crSel (you w)) %~
         ( (itTweaks . tweakParams . ix paramid . tweakVal .~ x)
         . doTweak (_tweakType params) x)
   where

src/Dodge/Event/Keyboard.hs

@@ -38,17 +38,17 @@ handleTextInput text u = u
     & menuLayers . ix 0 . scInput %~ updateText
     & updateTerminalText
   where
-    updateTerminalText = case u ^? uvWorld . hud . hudElement . subInventory of
+    updateTerminalText = case u ^? uvWorld . cWorld . hud . hudElement . subInventory of
         Just (DisplayTerminal tmid) | hasfocus tmid 
-            -> uvWorld %~ \w -> guardDisconnectedID tmid w (w & terminals . ix tmid . tmInput . tiText %~ updateText)
+            -> uvWorld %~ \w -> guardDisconnectedID tmid w (w & cWorld . terminals . ix tmid . tmInput . tiText %~ updateText)
         _   -> id
-    hasfocus tmid = fromMaybe False $ u ^? uvWorld . terminals . ix tmid . tmInput . tiFocus
+    hasfocus tmid = fromMaybe False $ u ^? uvWorld . cWorld . terminals . ix tmid . tmInput . tiFocus
     updateText s = case T.unpack text of 
         ";" -> s
         _ -> s `T.append` T.toUpper text
 
 guardDisconnectedID :: Int -> World -> World -> World
-guardDisconnectedID tmid w w' = case w ^? terminals . ix tmid . tmStatus of
+guardDisconnectedID tmid w w' = case w ^? cWorld . terminals . ix tmid . tmStatus of
     Just TerminalReady -> w'
     _ -> w
 
@@ -60,23 +60,23 @@ see 'handlePressedKeyInGame'.
  -}
 handleKeyboardEvent :: KeyboardEventData -> Universe -> IO (Maybe Universe)
 handleKeyboardEvent kev u = case keyboardEventKeyMotion kev of
-    Released    -> return . Just $ u & uvWorld . keys %~ S.delete scode
+    Released    -> return . Just $ u & uvWorld . cWorld . keys %~ S.delete scode
     Pressed     -> handlePressedKey (keyboardEventRepeat kev) scode
-        (u & uvWorld . keys %~ S.insert scode)
+        (u & uvWorld . cWorld . keys %~ S.insert scode)
   where
     scode = (keysymScancode . keyboardEventKeysym) kev
 
 handlePressedKey :: Bool -> Scancode -> Universe -> IO (Maybe Universe)
 handlePressedKey True ScancodeBackspace u 
-    | _backspaceTimer (_uvWorld u) <= 0 = handlePressedKey False ScancodeBackspace u
+    | _backspaceTimer (_cWorld $ _uvWorld u) <= 0 = handlePressedKey False ScancodeBackspace u
-        <&> _Just . uvWorld . backspaceTimer .~ 0
+        <&> _Just . uvWorld . cWorld . backspaceTimer .~ 0
-    | otherwise  = return $ Just $ u & uvWorld . backspaceTimer -~ 1
+    | otherwise  = return $ Just $ u & uvWorld . cWorld . backspaceTimer -~ 1
 handlePressedKey True _    u   = return $ Just u
 handlePressedKey _   scode u = case scode of
     ScancodeF5          -> return . Just $ doQuicksave u
     ScancodeF9          -> return . Just $ loadSaveSlot QuicksaveSlot u
     ScancodeSemicolon   -> return . Just $ gotoTerminal u
-    _ | null (_menuLayers u) -> case u ^? uvWorld . hud . hudElement . subInventory of
+    _ | null (_menuLayers u) -> case u ^? uvWorld . cWorld . hud . hudElement . subInventory of
         Just (DisplayTerminal tmid) | inTermFocus (_uvWorld u) 
           -> return $ uvWorld (Just . handlePressedKeyTerminal tmid scode) u
         _ -> return $ (Just . handlePressedKeyInGame scode)        u
@@ -91,9 +91,9 @@ handlePressedKeyInGame scode uv = case scode of
     ScancodeM       -> over uvWorld toggleMap uv
     ScancodeR       -> over uvWorld (crToggleReloading (you w)) uv
     ScancodeT       -> over uvWorld testEvent uv
-    ScancodeX       -> uv & uvWorld . hud . hudElement %~ toggleTweakInv
+    ScancodeX       -> uv & uvWorld . cWorld . hud . hudElement %~ toggleTweakInv
     ScancodeC       -> over uvWorld toggleCombineInv uv
-    ScancodeI       -> uv & uvWorld . hud . hudElement %~ toggleInspectInv
+    ScancodeI       -> uv & uvWorld . cWorld . hud . hudElement %~ toggleInspectInv
     _               -> uv
   where
     w = _uvWorld uv
@@ -101,11 +101,11 @@ handlePressedKeyInGame scode uv = case scode of
 
 handlePressedKeyTerminal :: Int -> Scancode -> World -> World
 handlePressedKeyTerminal tmid scode w = case scode of
-    ScancodeEscape  -> w & terminals . ix tmid . tmInput . tiFocus %~ const False
+    ScancodeEscape  -> w & cWorld . terminals . ix tmid . tmInput . tiFocus %~ const False
-    ScancodeReturn  -> w & terminalReturnEffect (w ^?! terminals . ix tmid)
+    ScancodeReturn  -> w & terminalReturnEffect (w ^?! cWorld . terminals . ix tmid)
     ScancodeBackspace -> w 
-        & terminals . ix tmid . tmInput . tiText %~ doBackspace
+        & cWorld . terminals . ix tmid . tmInput . tiText %~ doBackspace
-        & backspaceTimer .~ 5
+        & cWorld . backspaceTimer .~ 5
     _               -> w
   where
     doBackspace t = case T.unsnoc t of
@@ -128,26 +128,26 @@ gotoTerminal w = case _menuLayers w of
     _                       -> w & menuLayers .:~ InputScreen T.empty "Enter command"
 
 spaceAction :: World -> World
-spaceAction w = case _hudElement $ _hud w of
+spaceAction w = case _hudElement $ _hud (_cWorld w) of
-    DisplayCarte -> w & hud . carteCenter .~ theLoc
+    DisplayCarte -> w & cWorld . hud . carteCenter .~ theLoc
     DisplayInventory NoSubInventory -> case selectedCloseObject w of
         Just (_,Left flit) -> pickUpItem 0 flit w
         Just (_,Right but) -> doButtonEvent (_btEvent but) but w
         _                  -> w
-    DisplayInventory DisplayTerminal {} -> w & hud . hudElement .~ DisplayInventory NoSubInventory
+    DisplayInventory DisplayTerminal {} -> w & cWorld . hud . hudElement .~ DisplayInventory NoSubInventory
-    _ -> w & hud . hudElement .~ DisplayInventory NoSubInventory
+    _ -> w & cWorld . hud . hudElement .~ DisplayInventory NoSubInventory
   where
-    theLoc = doWorldPos (fst (_seenLocations w IM.! _selLocation w)) w
+    theLoc = doWorldPos (fst (_seenLocations (_cWorld w) IM.! _selLocation (_cWorld w))) w
 --    updateTopCloseObject i w' = w' & closeObjects %~ ( Right (_buttons w' IM.! i) : ) . tail
 
 pauseGame :: Universe -> Universe
 pauseGame = menuLayers .~ [pauseMenu]
 
 toggleMap :: World -> World
-toggleMap w = case _hudElement $ _hud w of
+toggleMap w = case _hudElement $ _hud (_cWorld w) of
-    DisplayCarte -> w & hud . hudElement .~ DisplayInventory NoSubInventory
+    DisplayCarte -> w & cWorld . hud . hudElement .~ DisplayInventory NoSubInventory
-    _            -> w & hud . hudElement .~ DisplayCarte
+    _            -> w & cWorld . hud . hudElement .~ DisplayCarte
 escapeMap :: World -> World
-escapeMap w = case _hudElement $ _hud w of
+escapeMap w = case _hudElement $ _hud (_cWorld w) of
-    DisplayCarte -> w & hud . hudElement .~ DisplayInventory NoSubInventory
+    DisplayCarte -> w & cWorld . hud . hudElement .~ DisplayInventory NoSubInventory
     _            -> w

src/Dodge/Flame.hs

@@ -53,8 +53,8 @@ doDamagesFL :: (Flame -> Point2 -> [Damage])
     -> World
     -> World
 doDamagesFL fdm (p,thhit) bt = case thhit of
-    Left cr -> creatures . ix (_crID cr) . crState . csDamage .++~ dams
+    Left cr -> cWorld . creatures . ix (_crID cr) . crState . csDamage .++~ dams
-    Right wl -> wallDamages %~ IM.insertWith (++) (_wlID wl) dams
+    Right wl -> cWorld . wallDamages %~ IM.insertWith (++) (_wlID wl) dams
   where
     dams = fdm bt p
 
@@ -97,7 +97,7 @@ flDamageInArea :: (Creature -> Bool) -> (Wall -> Bool) -> Flame -> World -> Worl
 flDamageInArea crt wlt pt w = damwls damcrs
   where
     p = _flPos pt
-    damcrs = foldl' (flip $ \cr -> fst . hiteff [(p,Left cr)]) w $ IM.filter crt $ _creatures w
+    damcrs = foldl' (flip $ \cr -> fst . hiteff [(p,Left cr)]) w $ IM.filter crt $ _creatures (_cWorld w)
     damwls w' 
         = foldl' 
             (flip $ \wl -> fst . hiteff [(p,Right wl)]) 
@@ -108,12 +108,12 @@ flDamageInArea crt wlt pt w = damwls damcrs
 
 flFlicker :: Flame -> World -> World
 flFlicker pt 
-    | _flTimer pt `mod` 7 == 0 = tempLightSources 
+    | _flTimer pt `mod` 7 == 0 = cWorld . tempLightSources 
         .:~ tlsTimeRadColPos 1 70 (0.5 *.*.* xyzV4 (_flColor pt)) (addZ 10 $ _flPos pt)
     | otherwise = id
 makeFlame :: Point2 -> Point2 -> World -> World
 makeFlame pos vel w = w 
-    & flames .:~ aFlameParticle t pos vel
+    & cWorld . flames .:~ aFlameParticle t pos vel
     & randGen .~ g
   where 
     (t,g) = randomR (99,101) (_randGen w)

src/Dodge/FloorItem.hs

@@ -18,15 +18,15 @@ copyItemToFloor pos it = snd . copyItemToFloorID pos it
 {- | Copy an item to the floor, returns the floor item's id. -}
 copyItemToFloorID :: Point2 -> Item -> World -> (Int, World)
 copyItemToFloorID pos it w = (,) flid $ w'
-    & floorItems %~ IM.insert flid theflit
+    & cWorld . floorItems %~ IM.insert flid theflit
     & updateLocation 
   where
     (p',w') = findWallFreeDropPoint (_dimRad $ _itDimension it) pos w
     rot = fst . randomR (-pi,pi) $ _randGen w
     updateLocation = case it ^? itID of
-        Just (Just i')  -> itemPositions . ix i' .~ OnFloor flid
+        Just (Just i')  -> cWorld . itemPositions . ix i' .~ OnFloor flid
         _ -> id
-    flid = IM.newKey $ _floorItems w
+    flid = IM.newKey $ _floorItems (_cWorld w)
     theflit = FlIt 
         {_flIt = it & itConsumption . icAmount %~ const 1
         ,_flItPos = p'

src/Dodge/HeldUse.hs

@@ -360,10 +360,10 @@ overNozzles = overNozzles' . overNozzle
 
 overNozzles' :: (Item -> Creature -> World -> Nozzle -> (World,Nozzle))
     -> Item -> Creature -> World -> World
-overNozzles' eff it cr w = neww & creatures . ix cid . crInv . ix i . itParams . sprayNozzles .~ newNozzles
+overNozzles' eff it cr w = neww & cWorld . creatures . ix cid . crInv . ix i . itParams . sprayNozzles .~ newNozzles
   where
     cid = _crID cr
-    i = crSel $ _creatures w IM.! cid
+    i = crSel $ _creatures (_cWorld w) IM.! cid
     (neww,newNozzles) = mapAccumR (eff it cr) w $ _sprayNozzles (_itParams it)
 
 overNozzle :: (Nozzle -> Item -> Creature -> World -> World)
@@ -386,12 +386,12 @@ useGasParams nz it cr = createGas (_amCreateGas (_laAmmoType (_itConsumption it)
     pos = _crPos cr +.+ (_nzLength nz *.* unitVectorAtAngle (_crDir cr))
 
 fireRemoteShell :: Item -> Creature -> World -> World
-fireRemoteShell it cr w = set (creatures . ix cid . crInv . ix j . itUse . rUse)
+fireRemoteShell it cr w = set (cWorld . creatures . ix cid . crInv . ix j . itUse . rUse)
         (HeldExplodeRemoteShell itid i)
     $ addRemRocket w'
   where
     (w',itid) = getHeldItemLoc cr w
-    i   = IM.newKey $ _props w
+    i   = IM.newKey $ _props (_cWorld w)
     cid = _crID cr
     addRemRocket = makeShell it cr 
         [ PJSetScope itid

src/Dodge/Humanoid.hs

@@ -170,7 +170,7 @@ chooseMovementPistol' cr w = takeOneWeighted [chargeProb,retreatProb,strafeProb,
   where
     g = _randGen w
     cpos = _crPos cr
-    ycr = _creatures w IM.! 0
+    ycr = _creatures (_cWorld w) IM.! 0
     ypos = _crPos ycr
     chargeProb | dist cpos ypos > 300 = 5
                | dist cpos ypos > 150 = 1

src/Dodge/Initialisation.hs

@@ -13,26 +13,13 @@ import System.Random
 import qualified Data.Set as S
 import qualified IntMapHelp as IM
 import qualified Data.Map as M
+import Control.Lens
 
 initialWorld :: World
 initialWorld = defaultWorld
-    { _keys = S.empty
+    & cWorld . cameraZoom .~ 10
-    , _cameraCenter = V2 0 0
+    & cWorld . creatures .~ IM.fromList [(0,startCr)]
-    , _cameraRot = 0
+    & cWorld . yourID .~ 0
-    , _cameraZoom = 10
+    & cWorld . worldEvents .~ SoundStart BackgroundSound (V2 0 0) foamSprayFadeOutS Nothing 
-    , _creatures = IM.fromList [(0,startCr)]
+                : [MakeStartCloudAt (V3 x y 5) | x <- [-5,-4..5] , y <- [-5,-4..5]]
-    , _props = IM.empty
-    , _walls = IM.empty
-    , _floorItems = IM.empty
-    , _randGen = mkStdGen 2
-    , _mousePos = V2 0 0
-    , _yourID = 0
-    , _worldEvents = SoundStart BackgroundSound (V2 0 0) foamSprayFadeOutS Nothing 
-        : [MakeStartCloudAt (V3 x y 5) | x <- [-5,-4..5] , y <- [-5,-4..5]]
-    , _pressPlates = IM.empty
-    , _buttons = IM.empty
-    , _toPlaySounds = M.empty
-    , _decorations = IM.empty
---    , _menuLayers = [TerminalScreen 300 rezText']
-    }
 

src/Dodge/InputFocus.hs

@@ -6,7 +6,7 @@ import Data.Maybe
 
 inTermFocus :: World -> Bool
 inTermFocus w = fromMaybe False $ do
-    tmid <- w ^? hud . hudElement . subInventory . termID
+    tmid <- w ^? cWorld . hud . hudElement . subInventory . termID
-    hasfocus <- w ^? terminals . ix tmid . tmInput . tiFocus
+    hasfocus <- w ^? cWorld . terminals . ix tmid . tmInput . tiFocus
-    connectionstatus <- w ^? terminals . ix tmid . tmStatus
+    connectionstatus <- w ^? cWorld . terminals . ix tmid . tmStatus
     return $ hasfocus && connectionstatus == TerminalReady

src/Dodge/Inventory.hs

@@ -53,23 +53,24 @@ rmInvItem :: Int      -- ^ Creature id
     -> Int      -- ^ Inventory position
     -> World 
     -> World
-rmInvItem cid invid w = case w ^? creatures . ix cid . crInv . ix invid . itConsumption . icAmount of
+rmInvItem cid invid w = case w ^? cWorld . creatures . ix cid . crInv . ix invid . itConsumption . icAmount of
-    Just x | x > 1 -> w & creatures . ix cid . crInv . ix invid . itConsumption . icAmount %~ subtract 1
+    Just x | x > 1 -> w & cWorld . creatures . ix cid . crInv . ix invid . itConsumption . icAmount %~ subtract 1
-    _ -> w & creatures . ix cid . crInv %~ f
+    _ -> w 
-        & creatures . ix cid . crInvSel %~ stopCrInvSelAction
+        & cWorld . creatures . ix cid . crInv %~ f
-        & creatures . ix cid . crInvSel . iselPos %~ g
+        & cWorld . creatures . ix cid . crInvSel %~ stopCrInvSelAction
-        & creatures . ix cid . crLeftInvSel %~ g'
+        & cWorld . creatures . ix cid . crInvSel . iselPos %~ g
+        & cWorld . creatures . ix cid . crLeftInvSel %~ g'
         & removeAnySlotEquipment
         & dounequipfunction
         & doanyitemeffect
-        & creatures . ix cid . crInvEquipped %~ IM.delete invid
+        & cWorld . creatures . ix cid . crInvEquipped %~ IM.delete invid
-        & creatures . ix cid . crInvEquipped %~ IM.mapKeys g
+        & cWorld . creatures . ix cid . crInvEquipped %~ IM.mapKeys g
                 -- TODO check whether this can be mapKeysMonotonic
   where
     stopCrInvSelAction (InvSel i a)
         | i == invid = InvSel i NoInvSelAction
         | otherwise  = InvSel i a
-    cr = _creatures w IM.! cid
+    cr = _creatures (_cWorld w) IM.! cid
     itm = _crInv cr IM.! invid
     dounequipfunction = fromMaybe id $ do
         rmf <- itm ^? itUse . eqEq . eqOnRemove
@@ -77,10 +78,10 @@ rmInvItem cid invid w = case w ^? creatures . ix cid . crInv . ix invid . itCons
     doanyitemeffect = fromMaybe id $ do
         rmf <- itm ^? itEffect . ieDrop
         return $ doDropEffect rmf itm cr
-    removeAnySlotEquipment = case w ^? creatures . ix cid . crInvEquipped . ix invid of
+    removeAnySlotEquipment = case w ^? cWorld . creatures . ix cid . crInvEquipped . ix invid of
-        Just epos   -> creatures . ix cid . crEquipment . at epos .~ Nothing
+        Just epos   -> cWorld . creatures . ix cid . crEquipment . at epos .~ Nothing
         Nothing     -> id
-    maxk = fmap fst $ IM.lookupMax $ _crInv $ _creatures w IM.! cid
+    maxk = fmap fst $ IM.lookupMax $ _crInv $ _creatures (_cWorld w) IM.! cid
     f inv = let (xs,ys) = IM.split invid inv
         in xs `IM.union` IM.mapKeys (subtract 1) ys
     g x | x > invid || Just x == maxk = max 0 $ x - 1
@@ -92,7 +93,7 @@ rmInvItem cid invid w = case w ^? creatures . ix cid . crInv . ix invid . itCons
         | otherwise = Just x
 
 rmSelectedInvItem :: Int -> World -> World
-rmSelectedInvItem cid w = rmInvItem cid (crSel (_creatures w IM.! cid)) w
+rmSelectedInvItem cid w = rmInvItem cid (crSel (_creatures (_cWorld w) IM.! cid)) w
 
 augmentedInvSizes :: World -> IM.IntMap Int
 augmentedInvSizes = bimapAugmentInv itSlotsTaken closeObjectSize
@@ -100,7 +101,7 @@ augmentedInvSizes = bimapAugmentInv itSlotsTaken closeObjectSize
 bimapAugmentInv :: (Item -> a) -> (Either FloorItem Button -> a) -> World -> IM.IntMap a
 bimapAugmentInv f g w = IM.union
     (f <$> yourInv w)
-    (IM.fromAscList $ zip [length (yourInv w) ..] $ map g $ _closeObjects w)
+    (IM.fromAscList $ zip [length (yourInv w) ..] $ map g $ _closeObjects (_cWorld w))
 
 invSelSize :: Int -> World -> Int
 invSelSize i w = fromMaybe 1 $ augmentedInvSizes w IM.!? i
@@ -154,18 +155,18 @@ updateTerminal :: World -> World
 updateTerminal = checkTermDist
 
 checkTermDist :: World -> World
-checkTermDist w = case w ^? hud . hudElement . subInventory . termID of
+checkTermDist w = case w ^? cWorld . hud . hudElement . subInventory . termID of
-    Just tmid -> fromMaybe (w & hud . hudElement .~ DisplayInventory NoSubInventory) $ do
+    Just tmid -> fromMaybe (w & cWorld . hud . hudElement .~ DisplayInventory NoSubInventory) $ do
-        btid    <- w ^? terminals . ix tmid . tmButtonID
+        btid    <- w ^? cWorld . terminals . ix tmid . tmButtonID
-        btpos   <- w ^? buttons . ix btid . btPos 
+        btpos   <- w ^? cWorld . buttons . ix btid . btPos 
         if dist btpos (_crPos $ you w) < 40 then Just w else Nothing
     Nothing -> w
 
 -- this looks ugly...
 updateCloseObjects :: World -> World
 updateCloseObjects w = w 
-    & closeObjects .~ unionBy closeObjEq oldCloseFiltered currentClose
+    & cWorld . closeObjects .~ unionBy closeObjEq oldCloseFiltered currentClose
-    & creatures . ix (_yourID w) . crInvSel . iselPos %~ updateinvsel
+    & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselPos %~ updateinvsel
   where
     updateinvsel curinvsel
         | length (augmentedInvSizes w) <= curinvsel = max 0 $ length (augmentedInvSizes w) - 1
@@ -175,26 +176,26 @@ updateCloseObjects w = w
     activeButtons = map Right
         . filter ( (/=) BtNoLabel . _btState) 
         . IM.elems 
-        $ _buttons w
+        $ _buttons (_cWorld w)
-    currentClose = filt $ map Left (IM.elems $ _floorItems w) ++ activeButtons
+    currentClose = filt $ map Left (IM.elems $ _floorItems (_cWorld w)) ++ activeButtons
-    oldClose     = filt $ mapMaybe updatebyid $ _closeObjects w
+    oldClose     = filt $ mapMaybe updatebyid $ _closeObjects (_cWorld w)
     oldCloseFiltered = intersectBy closeObjEq oldClose currentClose
-    updatebyid (Left flid) = fmap Left $ w ^? floorItems . ix (_flItID flid)
+    updatebyid (Left flid) = fmap Left $ w ^? cWorld . floorItems . ix (_flItID flid)
-    updatebyid (Right btid) = fmap Right $ w ^? buttons . ix (_btID btid)
+    updatebyid (Right btid) = fmap Right $ w ^? cWorld . buttons . ix (_btID btid)
 
 updateRBList :: World -> World
 updateRBList w 
-    | w ^? rbOptions . opCurInvPos == Just curinvid 
+    | w ^? cWorld . rbOptions . opCurInvPos == Just curinvid 
         = w & setEquipAllocation & setEquipActivation
     | otherwise = case cr ^? crInv . ix curinvid . itUse . eqEq . eqSite of
         Just esite -> w 
-            & rbOptions .~ EquipOptions (equipSiteToPositions esite) 
+            & cWorld . rbOptions .~ EquipOptions (equipSiteToPositions esite) 
                 (chooseEquipmentPosition cr (equipSiteToPositions esite)) 
                 curinvid 
                 DoNotMoveEquipment 
                 NoChangeActivateEquipment
             & setEquipAllocation & setEquipActivation
-        Nothing -> w & rbOptions .~ NoRightButtonOptions
+        Nothing -> w & cWorld . rbOptions .~ NoRightButtonOptions
 --    | otherwise = w & rbOptions .~ NoRightButtonOptions
   where
     curinvid = crSel cr
@@ -211,53 +212,53 @@ chooseFreeSite cr = fromMaybe 0 . findIndex hasnoequipment
     hasnoequipment ep = isNothing $ cr ^? crEquipment . ix ep
 
 setEquipAllocation :: World -> World
-setEquipAllocation w = case _rbOptions w of
+setEquipAllocation w = case _rbOptions (_cWorld w) of
     EquipOptions {_opEquip = es,_opSel=i} ->
         case you w ^? crInvEquipped . ix (crSel (you w)) of
             Just epos | es !! i == epos
-                    -> w & rbOptions . opAllocateEquipment .~ RemoveEquipment
+                    -> w & cWorld . rbOptions . opAllocateEquipment .~ RemoveEquipment
                         {_allocOldPos = epos}
             Just epos | isJust (you w ^? crEquipment . ix (es !! i))
-                    -> w & rbOptions . opAllocateEquipment .~ SwapEquipment
+                    -> w & cWorld . rbOptions . opAllocateEquipment .~ SwapEquipment
                         {_allocOldPos = epos
                         ,_allocNewPos = es !! i
                         ,_allocSwapID = _crEquipment (you w) M.! (es !! i)
                         }
-            Just epos -> w & rbOptions . opAllocateEquipment .~ MoveEquipment
+            Just epos -> w & cWorld . rbOptions . opAllocateEquipment .~ MoveEquipment
                         {_allocOldPos = epos
                         ,_allocNewPos = es !! i
                         }
             Nothing | isJust (you w ^? crEquipment . ix (es !! i))
-                    -> w & rbOptions . opAllocateEquipment .~ ReplaceEquipment
+                    -> w & cWorld . rbOptions . opAllocateEquipment .~ ReplaceEquipment
                         {_allocNewPos = es !! i
                         ,_allocRemoveID = _crEquipment (you w) M.! (es !! i)
                         }
-            Nothing -> w & rbOptions . opAllocateEquipment .~ PutOnEquipment
+            Nothing -> w & cWorld . rbOptions . opAllocateEquipment .~ PutOnEquipment
                         {_allocNewPos = es !! i}
     _ -> w
 --  where
 --    curpos = invSelPos w
 
 setEquipActivation :: World -> World
-setEquipActivation w = case w ^? rbOptions . opAllocateEquipment of
+setEquipActivation w = case w ^? cWorld . rbOptions . opAllocateEquipment of
     Just DoNotMoveEquipment -> w
     Just RemoveEquipment { }
         -> case _crLeftInvSel (you w) of
-            Just i | i == invsel -> w & rbOptions . opActivateEquipment .~ DeactivateEquipment
+            Just i | i == invsel -> w & cWorld . rbOptions . opActivateEquipment .~ DeactivateEquipment
                 {_deactivateEquipment = i}
-            _ -> w & rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
+            _ -> w & cWorld . rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
     Just rbos
         -> case _crLeftInvSel (you w) of
-            Just i | i == invsel -> w & rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
+            Just i | i == invsel -> w & cWorld . rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
-            Just i | invselcanactivate -> w & rbOptions . opActivateEquipment .~ ActivateDeactivateEquipment
+            Just i | invselcanactivate -> w & cWorld . rbOptions . opActivateEquipment .~ ActivateDeactivateEquipment
                 {_activateEquipment = invsel,_deactivateEquipment = i}
             Just i | Just i == rbos ^? allocRemoveID
-                   -> w & rbOptions . opActivateEquipment .~ DeactivateEquipment i
+                   -> w & cWorld . rbOptions . opActivateEquipment .~ DeactivateEquipment i
-            Just _ -> w & rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
+            Just _ -> w & cWorld . rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
-            Nothing | invselcanactivate -> w & rbOptions . opActivateEquipment .~ ActivateEquipment
+            Nothing | invselcanactivate -> w & cWorld . rbOptions . opActivateEquipment .~ ActivateEquipment
                 {_activateEquipment = invsel}
-            Nothing -> w & rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
+            Nothing -> w & cWorld . rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
-    Nothing -> w & rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
+    Nothing -> w & cWorld . rbOptions . opActivateEquipment .~ NoChangeActivateEquipment
   where
     invsel = crSel (you w)
     invselcanactivate = isJust (you w ^? crInv . ix invsel . itUse . lUse)
@@ -274,29 +275,32 @@ equipSiteToPositions es = case es of
 
 closeObjScrollDir :: Float -> World -> World
 closeObjScrollDir x 
-    | x > 0 = over closeObjects rotU
+    | x > 0 = over (cWorld . closeObjects) rotU
-    | x < 0 = over closeObjects rotD
+    | x < 0 = over (cWorld . closeObjects) rotD
     | otherwise = id
 
 changeInvSel :: Int -> World -> World
 changeInvSel i w 
     | n == 0    = w
-    | yourInvSel w < n    =  w & creatures . ix (_yourID w) . crInvSel . iselPos %~ (`mod` n) . subtract i
+    | yourInvSel w < n    =  w 
-        & creatures . ix (_yourID w) . crInvSel . iselAction .~ NoInvSelAction
+        & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselPos %~ (`mod` n) . subtract i
-    | otherwise = w & creatures . ix (_yourID w) . crInvSel . iselPos %~ ((+n) . (`mod` numCO) . subtract (i+n))
+        & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselAction .~ NoInvSelAction
-        & creatures . ix (_yourID w) . crInvSel . iselAction .~ NoInvSelAction
+    | otherwise = w 
+        & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselPos %~ ((+n) . (`mod` numCO) . subtract (i+n))
+        & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselAction .~ NoInvSelAction
     -- arguably this should jump the invpos into the inventory proper
   where 
-    n = length $ _crInv $ _creatures w IM.! _yourID w
+    n = length $ _crInv $ _creatures (_cWorld w) IM.! _yourID (_cWorld w)
-    numCO = length $ _closeObjects w
+    numCO = length $ _closeObjects (_cWorld w)
 
 changeSwapInvSel :: Int -> World -> World
 changeSwapInvSel k w 
     | n == 0    = w
     | yourInvSel w < n    =  w 
-        & creatures . ix (_yourID w) %~ updatecreature
+        & cWorld . creatures . ix (_yourID (_cWorld w)) %~ updatecreature
-    | otherwise = w & creatures . ix (_yourID w) . crInvSel . iselPos .~ ico'
+    | otherwise = w 
-        & closeObjects %~ swapIndices (i - n) (ico' - n)
+        & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselPos .~ ico'
+        & cWorld . closeObjects %~ swapIndices (i - n) (ico' - n)
   where 
     updatecreature = ( crInv %~ IM.safeSwapKeys (i `mod` n) swapi )
         . (crLeftInvSel . _Just %~ updateLeftInvSel)
@@ -315,18 +319,19 @@ changeSwapInvSel k w
     i = crSel cr
     ico' = ( (i - (k+n)) `mod` numCO ) + n
     n = length $ _crInv cr
-    numCO = length $ _closeObjects w
+    numCO = length $ _closeObjects (_cWorld w)
 
 changeAugInvSel :: Int -> World -> World
 changeAugInvSel i w 
     | n == 0    = w
-    | otherwise = w & creatures . ix (_yourID w) . crInvSel . iselPos %~ (`mod` n) . subtract i
+    | otherwise = w 
-        & creatures . ix (_yourID w) . crInvSel . iselAction .~ NoInvSelAction
+        & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselPos %~ (`mod` n) . subtract i
+        & cWorld . creatures . ix (_yourID (_cWorld w)) . crInvSel . iselAction .~ NoInvSelAction
   where 
-    n = length (yourInv w) + length (_closeObjects w)
+    n = length (yourInv w) + length (_closeObjects (_cWorld w))
 
 bestCloseObjectIndex :: World -> Maybe Int
-bestCloseObjectIndex w = findIndex f $ _closeObjects w
+bestCloseObjectIndex w = findIndex f $ _closeObjects (_cWorld w)
   where
     f (Right _) = True
     f (Left flit) = itSlotsTaken (_flIt flit) <= _crInvCapacity ycr - crInvSize ycr
@@ -342,4 +347,4 @@ selectedCloseObject w
     inv = _crInv cr
 
 selectNthCloseObject :: World -> Int -> Maybe (Int,Either FloorItem Button)
-selectNthCloseObject w n = (length (yourInv w) + n,) <$> (_closeObjects w !? n)
+selectNthCloseObject w n = (length (yourInv w) + n,) <$> (_closeObjects (_cWorld w) !? n)

src/Dodge/Inventory/Add.hs

@@ -11,7 +11,7 @@ import qualified IntMapHelp as IM
 
 putItemInInvID :: Int -> Int -> World -> (Maybe Int,World)
 putItemInInvID cid flid w = fromMaybe (Nothing,w) $ do
-    (i,w') <- tryPutItemInInv cid (_floorItems w IM.! flid) w
+    (i,w') <- tryPutItemInInv cid (_floorItems (_cWorld w) IM.! flid) w
     return (Just i,w')
 
 putItemInInvSlot :: Int -> Item -> IM.IntMap Item -> IM.IntMap Item
@@ -23,15 +23,15 @@ tryPutItemInInv cid flit w = case maybeInvSlot of
     Nothing -> Nothing
     Just i  -> Just (i, w
         & updateItLocation i
-        & floorItems %~ IM.delete (_flItID flit)
+        & cWorld . floorItems %~ IM.delete (_flItID flit)
-        & creatures . ix cid . crInv %~ putItemInInvSlot i it
+        & cWorld . creatures . ix cid . crInv %~ putItemInInvSlot i it
         )
   where 
     it = _flIt flit
     maybeInvSlot = checkInvSlotsYou it w
     updateItLocation invid w' = case _itID it of 
         Nothing -> w'
-        Just j  -> w' & itemPositions . ix j .~ InInv cid invid
+        Just j  -> w' & cWorld . itemPositions . ix j .~ InInv cid invid
 
 --{- | Pick up a specific item. -}
 --putItemInInv :: Int -> FloorItem -> World -> World
@@ -48,5 +48,5 @@ tryPutItemInInv cid flit w = case maybeInvSlot of
 --        Nothing -> w'
 --        Just j  -> w' & itemPositions . ix j .~ InInv cid invid
 createPutItem :: Item -> World -> (Maybe Int, World)
-createPutItem it w = uncurry (putItemInInvID (_yourID w))
+createPutItem it w = uncurry (putItemInInvID (_yourID (_cWorld w)))
     $ copyItemToFloorID (_crPos $ you w) (applyModules it) w

src/Dodge/Inventory/Lock.hs

@@ -3,7 +3,7 @@ import Dodge.Data
 import Control.Lens
 
 lockInv :: Int -> World -> World
-lockInv cid = creatures . ix cid . crInvLock %~ (|| True)
+lockInv cid = cWorld . creatures . ix cid . crInvLock %~ (|| True)
 
 unlockInv :: Int -> World -> World
-unlockInv cid = creatures . ix cid . crInvLock %~ (&& False)
+unlockInv cid = cWorld . creatures . ix cid . crInvLock %~ (&& False)

src/Dodge/ItEffect.hs

@@ -29,16 +29,16 @@ onOffEff f g it
 
 rewindEffect :: Item -> Creature -> World -> World
 rewindEffect itm cr w 
-    | Just invid == _crLeftInvSel cr = w & rewindWorlds %~ (take maxcharge . (w' : ))
+    | Just invid == _crLeftInvSel cr = w & cWorld . rewindWorlds %~ (take maxcharge . (w' : ))
-        & ptrWpCharge .~ length (_rewindWorlds w)
+        & ptrWpCharge .~ length (_rewindWorlds (_cWorld w))
-    | otherwise = w & rewindWorlds .~ []
+    | otherwise = w & cWorld . rewindWorlds .~ []
         & ptrWpCharge .~ 0
   where
     invid = _ipInvID $ _itPos itm
-    ptrWpCharge = creatures . ix (_crID cr) . crInv . ix invid . itConsumption . wpCharge
+    ptrWpCharge = cWorld . creatures . ix (_crID cr) . crInv . ix invid . itConsumption . wpCharge
     maxcharge = _wpMaxCharge . _itConsumption $ itm
-    w' = w & rewindWorlds .~ []
+    w' = w & cWorld . rewindWorlds .~ []
-        & timeFlow .~ NormalTimeFlow
+        & cWorld . timeFlow .~ NormalTimeFlow
 
 resetAttachmentEffect :: Item -> Creature -> World -> World
 resetAttachmentEffect itm cr w 
@@ -47,7 +47,7 @@ resetAttachmentEffect itm cr w
   where
     iteff = _itEffect itm
     invid = _ipInvID $ _itPos itm
-    pointToIt = creatures . ix (_crID cr) . crInv . ix invid
+    pointToIt = cWorld . creatures . ix (_crID cr) . crInv . ix invid
 
 createHeldLight :: Item -> Creature -> World -> World
 createHeldLight itm cr = createTorchLightOffset cr itm 0

src/Dodge/Item/Attachment.hs

@@ -15,8 +15,8 @@ import qualified IntMapHelp as IM
 charFiringStratI
     :: [(Char, ChainEffect)] -- ^ Different firing effects for different characters
     -> ChainEffect
-charFiringStratI strats eff item cr w = case w ^? creatures . ix cid . crInv 
+charFiringStratI strats eff item cr w = case w ^? cWorld . creatures . ix cid . crInv 
-        . ix (crSel $ _creatures w IM.! cid) . itAttachment . atCharMode of
+        . ix (crSel $ _creatures (_cWorld w) IM.! cid) . itAttachment . atCharMode of
     Just (c :<| _) -> fromMaybe id (Prelude.lookup c strats) eff item cr w
     _ -> w
   where

src/Dodge/Item/Consumable.hs

@@ -24,8 +24,8 @@ medkit i = defaultConsumable
 heal25 :: Int -> World -> Maybe World
 heal25 = heal 25
 heal :: Int -> Int -> World -> Maybe World
-heal hp n w | _crHP (_creatures w IM.! n) >= 10000 = Nothing
+heal hp n w | _crHP (_creatures (_cWorld w) IM.! n) >= 10000 = Nothing
             | otherwise = Just $ soundStart (CrSound $ _crID cr) (_crPos cr) healS Nothing w
-                & creatures . ix n . crHP %~ min 10000 . (+ hp)
+                & cWorld . creatures . ix n . crHP %~ min 10000 . (+ hp)
   where
-    cr = _creatures w IM.! n
+    cr = _creatures (_cWorld w) IM.! n

src/Dodge/Item/Equipment.hs

@@ -51,7 +51,7 @@ magShield = defaultEquipment
     & itUse . eqEq . eqSite .~ GoesOnWrist
     & itType . iyBase .~ EQUIP MAGSHIELD
 useMagShield :: Item -> Creature -> World -> World
-useMagShield it cr w = w & magnets . at mgid ?~ themagnet
+useMagShield it cr w = w & cWorld . magnets . at mgid ?~ themagnet
   where
     themagnet = Magnet
         {_mgID = mgid
@@ -61,7 +61,7 @@ useMagShield it cr w = w & magnets . at mgid ?~ themagnet
         }
     mgid = case it ^? itAttachment . atMInt . _Just of
         Just mgid' -> mgid'
-        Nothing -> IM.newKey $ _magnets w
+        Nothing -> IM.newKey $ _magnets (_cWorld w)
 --    it = _crInv cr IM.! invid
 
 flameShield :: Item 
@@ -89,15 +89,15 @@ wristArmour = defaultEquipment
 
 onEquipWristShield :: Item -> Creature -> World -> World
 onEquipWristShield itm cr w = w
-    & creatures . ix (_crID cr) . crInv . ix (_ipInvID (_itPos itm)) . itUse . eqEq . eqParams .~ EquipID i
+    & cWorld . creatures . ix (_crID cr) . crInv . ix (_ipInvID (_itPos itm)) . itUse . eqEq . eqParams .~ EquipID i
-    & walls . at i ?~ forceField {_wlID = i}
+    & cWorld . walls . at i ?~ forceField {_wlID = i}
     & setWristShieldPos (itm & itUse . eqEq . eqParams .~ EquipID i) cr
   where
-    i = IM.newKey (_walls w)
+    i = IM.newKey (_walls (_cWorld w))
 
 onRemoveWristShield :: Item -> Creature -> World -> World
 onRemoveWristShield itm cr w = w
-    & creatures . ix (_crID cr) . crInv . ix (_ipInvID (_itPos itm)) . itUse . eqEq . eqParams .~ NoEquipParams
+    & cWorld . creatures . ix (_crID cr) . crInv . ix (_ipInvID (_itPos itm)) . itUse . eqEq . eqParams .~ NoEquipParams
     & deleteWallID i
   where
     i = _eparamID $ _eqParams $ _eqEq $ _itUse itm
@@ -168,7 +168,7 @@ shieldWall crid = defaultWall
 createShieldWall :: Item -> Creature -> World -> World
 createShieldWall it cr w = case _ieMID $ _itEffect it of
     Nothing -> let (wlid,w') = createWall ((shieldWall crid) {_wlLine = wlline,_wlID = wlid}) w
-        in w' & creatures . ix crid . crInv . ix invid . itEffect . ieMID ?~ wlid
+        in w' & cWorld . creatures . ix crid . crInv . ix invid . itEffect . ieMID ?~ wlid
     Just wid -> moveWallID wid wlline w
   where
     invid = fromJust $ _itID it
@@ -185,7 +185,7 @@ removeShieldWall :: Item -> Creature -> World -> World
 removeShieldWall it cr w = case _ieMID $ _itEffect it of
     Nothing -> w
     Just wid -> w & deleteWallID wid 
-        & creatures . ix crid . crInv . ix invid . itEffect . ieMID .~ Nothing
+        & cWorld . creatures . ix crid . crInv . ix invid . itEffect . ieMID .~ Nothing
   where
     crid = _crID cr
     invid = fromJust (_itID it)
@@ -241,7 +241,7 @@ headLamp = defaultEquipment
 
 
 createHeadLamp :: Item -> Creature -> World -> World
-createHeadLamp _ cr = tempLightSources .:~ tlsTimeRadColPos 1 200 0.7 
+createHeadLamp _ cr = cWorld . tempLightSources .:~ tlsTimeRadColPos 1 200 0.7 
     ((_crPos cr `v2z` 0) +.+.+ rotate3 (_crDir cr) (translatePointToHead cr (V3 5 0 3)))
 
 powerLegs :: Item
@@ -268,4 +268,4 @@ wristInvisibility = defaultEquipment
     & itType . iyBase .~ EQUIP (INVISIBILITYEQUIPMENT GoesOnWrist)
 
 overCID :: (Creature -> Creature) -> Item -> Creature -> World -> World
-overCID f _ cr = creatures . ix (_crID cr) %~ f
+overCID f _ cr = cWorld . creatures . ix (_crID cr) %~ f

src/Dodge/Item/Equipment/Booster.hs

@@ -40,10 +40,10 @@ boostSelfL x itm cr w = case boostPoint x cr w of
     cid = _crID cr
     cpos = _crPos cr
     r = _crRad cr
-    pid = fromMaybe (IM.newKey $ _props w) 
+    pid = fromMaybe (IM.newKey $ _props (_cWorld w)) 
         (cr ^? crInv . ix invid . itAttachment . atInt)
     crEff p ammoEff = addBoostShockwave pid p (r *.* normalizeV (p -.- cpos)) w
-        & creatures . ix cid %~ 
+        & cWorld . creatures . ix cid %~ 
              (crPos .~ p) 
             . (crInv . ix invid %~ 
                 ammoEff
@@ -57,7 +57,7 @@ addBoostShockwave
     -> Point2
     -> World
     -> World
-addBoostShockwave pjid p v w = w & linearShockwaves %~
+addBoostShockwave pjid p v w = w & cWorld . linearShockwaves %~
     IM.insertWith f pjid thePJ
   where
     thePJ = LinearShockwave

src/Dodge/Item/Location.hs

@@ -11,27 +11,27 @@ setHeldItemLoc cr = fst . getHeldItemLoc cr
 getHeldItemLoc :: Creature -> World -> (World,Int)
 getHeldItemLoc cr w = case maybeitid of
     Nothing -> 
-        ( w & creatures . ix cid . crInv . ix j . itID ?~ newitid
+        ( w & cWorld . creatures . ix cid . crInv . ix j . itID ?~ newitid
-            & itemPositions %~ IM.insert newitid (InInv cid j)
+            & cWorld . itemPositions %~ IM.insert newitid (InInv cid j)
         , itid)
     _ -> (w, itid)
   where
     cid = _crID cr
     j = crSel cr
-    newitid = IM.newKey $ _itemPositions w
+    newitid = IM.newKey $ _itemPositions (_cWorld w)
     maybeitid = cr ^? crInv . ix j . itID . _Just
     itid = fromMaybe newitid maybeitid
 
 getItem :: Int -> World -> Maybe Item
 getItem itid w = do
-    itpos <- w ^? itemPositions . ix itid
+    itpos <- w ^? cWorld . itemPositions . ix itid
     case itpos of
-        OnFloor flitid -> w ^? floorItems . ix flitid . flIt
+        OnFloor flitid -> w ^? cWorld . floorItems . ix flitid . flIt
-        InInv cid invid -> w ^? creatures . ix cid . crInv . ix invid
+        InInv cid invid -> w ^? cWorld . creatures . ix cid . crInv . ix invid
         VoidItm -> Nothing
 
 pointToItem :: Applicative f =>
     ItemPos -> (Item -> f Item) -> World -> f World
-pointToItem (InInv cid invid) = creatures . ix cid . crInv . ix invid
+pointToItem (InInv cid invid) = cWorld . creatures . ix cid . crInv . ix invid
-pointToItem (OnFloor flid) = floorItems . ix flid . flIt
+pointToItem (OnFloor flid) = cWorld . floorItems . ix flid . flIt
 pointToItem _ = const pure

src/Dodge/Item/Weapon/BatteryGuns.hs

@@ -276,14 +276,14 @@ tractorGunTweak = TweakParam
 -- | assumes that the item is held
 shootTeslaArc :: Item -> Creature -> World -> World
 shootTeslaArc it cr w = w'
-    & creatures . ix (_crID cr) . crInv . ix (crSel cr) . itParams .~ ip
+    & cWorld . creatures . ix (_crID cr) . crInv . ix (crSel cr) . itParams .~ ip
   where 
     (w',ip) = shootTeslaArc' (_itParams it) pos dir w
     pos = _crPos cr +.+ aimingMuzzlePos cr it *.* unitVectorAtAngle dir
     dir = _crDir cr
 
 shootLaser :: Item -> Creature -> World -> World
-shootLaser it cr = lasers .:~ lasRayAt (_lasColor $ _itParams it) dam phasev pos dir
+shootLaser it cr = cWorld . lasers .:~ lasRayAt (_lasColor $ _itParams it) dam phasev pos dir
   where 
     pos = _crPos cr
     dir = _crDir cr
@@ -294,7 +294,7 @@ shootLaser it cr = lasers .:~ lasRayAt (_lasColor $ _itParams it) dam phasev pos
 circleLaser :: Item -> Creature -> World -> World
 circleLaser it cr w
     | hasLOSIndirect cpos pos w = w
-        & lasers .:~ lasRayAt (_lasColor $ _itParams it) dam phasev pos dir
+        & cWorld . lasers .:~ lasRayAt (_lasColor $ _itParams it) dam phasev pos dir
     | otherwise = w
   where 
     cpos = _crPos cr
@@ -306,8 +306,8 @@ circleLaser it cr w
 
 shootDualLaser :: Item -> Creature -> World -> World
 shootDualLaser it cr w = w'
-    & newBeams . positronBeams .:~ dualRayAt (_lasBeam $ _itParams it) itid w (_lasColor $ _itParams it) dam phasev posl dirl
+    & cWorld . newBeams . positronBeams .:~ dualRayAt (_lasBeam $ _itParams it) itid w (_lasColor $ _itParams it) dam phasev posl dirl
-    & newBeams . electronBeams .:~ basicBeamAt itid w (_lasColor2 $ _itParams it) dam phasev posr dirr
+    & cWorld . newBeams . electronBeams .:~ basicBeamAt itid w (_lasColor2 $ _itParams it) dam phasev posr dirr
   where 
     (w',itid) = getHeldItemLoc cr w
     dir = _crDir cr
@@ -346,7 +346,7 @@ dualRayAt bt itid w col dam phasev pos dir = basicBeamAt itid w col dam phasev p
     & bmType .~ bt
 
 aTractorBeam :: Item -> Creature -> World -> World
-aTractorBeam _ cr w = w & tractorBeams .:~ tractorBeamAt spos outpos dir power
+aTractorBeam _ cr w = w & cWorld . tractorBeams .:~ tractorBeamAt spos outpos dir power
   where 
     cpos = _crPos cr
     spos = cpos +.+ (_crRad cr + 10) *.* unitVectorAtAngle dir

src/Dodge/Item/Weapon/ExtraEffect.hs

@@ -38,11 +38,11 @@ import qualified SDL
 autoEffect :: (Item -> Creature -> World -> World) -> Int -> SoundID -> Item -> Creature -> World -> World
 autoEffect eff t sid itm cr w
     | _eparamInt (_eqParams (_eqEq $ _itUse itm)) < 1 = eff itm cr w 
-        & creatures . ix (_crID cr) . crInv . ix (_ipInvID $ _itPos itm)
+        & cWorld . creatures . ix (_crID cr) . crInv . ix (_ipInvID $ _itPos itm)
                                      . itUse . eqEq . eqParams . eparamInt .~ t
        & soundStart OnceSound (_crPos cr) sid Nothing
     | otherwise = w 
-        & creatures . ix (_crID cr) . crInv . ix (_ipInvID $ _itPos itm)
+        & cWorld . creatures . ix (_crID cr) . crInv . ix (_ipInvID $ _itPos itm)
                                      . itUse . eqEq . eqParams . eparamInt -~ 1
 
 {- | Automatically send out radar pulses that detect walls.  -}
@@ -83,7 +83,7 @@ targetRBCreatureUp it cr w t
         & tgPos .~ Nothing
         & tgActive .~ False
         )
-    | SDL.ButtonRight `M.member` _mouseButtons w && isJust (t ^? tgID . _Just)
+    | SDL.ButtonRight `M.member` _mouseButtons (_cWorld w) && isJust (t ^? tgID . _Just)
         && canSeeTarget = (w, t & updatePos
         & tgActive .~ True
         )
@@ -99,10 +99,10 @@ targetRBCreatureUp it cr w t
     mwp = mouseWorldPos w
     updatePos t' = t' & tgPos .~ posFromMaybeID (_tgID t')
     posFromMaybeID Nothing = Nothing
-    posFromMaybeID (Just i) = w ^? creatures . ix i . crPos
+    posFromMaybeID (Just i) = w ^? cWorld . creatures . ix i . crPos
     canSeeTarget = fromMaybe False $ do
         cid <- t ^? tgID . _Just
-        cpos <- w ^? creatures . ix cid . crPos
+        cpos <- w ^? cWorld . creatures . ix cid . crPos
         Just $ hasLOS cpos (_crPos cr) w
 
 targetUpdateWith :: (World -> Targeting -> Targeting)
@@ -113,7 +113,7 @@ targetUpdateWith f it _ w t
 
 targetCursorUpdate :: World -> Targeting -> Targeting
 targetCursorUpdate w t
-    | SDL.ButtonRight `M.member` _mouseButtons w = t
+    | SDL.ButtonRight `M.member` _mouseButtons (_cWorld w) = t
         & tgPos . _Just .~ mouseWorldPos w
         & tgActive .~ True
     | otherwise = t & tgPos %~ const Nothing
@@ -121,7 +121,7 @@ targetCursorUpdate w t
 
 targetRBPressUpdate :: World -> Targeting -> Targeting
 targetRBPressUpdate w t
-    | SDL.ButtonRight `M.member` _mouseButtons w = t
+    | SDL.ButtonRight `M.member` _mouseButtons (_cWorld w) = t
         & tgPos %~ maybe (Just $ mouseWorldPos w) Just
         & tgActive .~ True
     | otherwise = t & tgPos %~ const Nothing
@@ -140,7 +140,7 @@ targetLaserUpdate _ cr w t
     (mp, _) = reflectLaserAlong 0.2 sp ep w
     sp = _crPos cr +.+ 15 *.* unitVectorAtAngle (_crDir cr)
     ep = sp +.+ 5000 *.* normalizeV (mouseWorldPos w -.- sp)
-    addLaserPic = lasers .:~ LaserStart
+    addLaserPic = cWorld . lasers .:~ LaserStart
         { _lpPhaseV = 1
         , _lpDir    = _crDir cr
         , _lpPos    = sp

src/Dodge/Item/Weapon/Launcher.hs

@@ -99,12 +99,12 @@ explodeRemoteRocket
     -> World 
     -> World
 explodeRemoteRocket itid pjid w = w
-    & projectiles . ix pjid . prjUpdates .~ [PJRetireRemote itid 30 pjid]
+    & cWorld . projectiles . ix pjid . prjUpdates .~ [PJRetireRemote itid 30 pjid]
-    & projectiles . ix pjid . prjDraw   .~ DrawBlankProjectile
+    & cWorld . projectiles . ix pjid . prjDraw   .~ DrawBlankProjectile
     & itPoint . itUse . rUse     .~ HeldDoNothing
     & usePayload (_prjPayload thepj) (_prjPos thepj)
   where 
-    itPoint = pointToItem $ _itemPositions w IM.! itid
+    itPoint = pointToItem $ _itemPositions (_cWorld w) IM.! itid
-    thepj = _projectiles w IM.! pjid
+    thepj = _projectiles (_cWorld w) IM.! pjid
 
 

src/Dodge/Item/Weapon/Remote.hs

@@ -12,17 +12,17 @@ import qualified IntMapHelp as IM
 import Control.Lens
 
 setRemoteBombScope :: Int -> Prop -> World -> World
-setRemoteBombScope itid pj w' = case _itemPositions w' IM.! itid of
+setRemoteBombScope itid pj w' = case _itemPositions (_cWorld w') IM.! itid of
     InInv cid invid 
-        -> w' & creatures . ix cid . crInv . ix invid . itScope 
+        -> w' & cWorld . creatures . ix cid . crInv . ix invid . itScope 
-                . scopePos .~ (_prPos pj -.- _crPos (_creatures w' IM.! cid))
+                . scopePos .~ (_prPos pj -.- _crPos (_creatures (_cWorld w') IM.! cid))
-              & creatures . ix cid . crInv . ix invid . itUse . useAim . aimZoom 
+              & cWorld . creatures . ix cid . crInv . ix invid . itUse . useAim . aimZoom 
                     .~ (defaultItZoom {_itZoomMax = 0.5, _itZoomMin = 0.5})
     _   -> w'
 
 setRemoteScope :: Int -> Point2 -> World -> World
-setRemoteScope itid pos w' = case w' ^? itemPositions . ix itid of
+setRemoteScope itid pos w' = case w' ^? cWorld . itemPositions . ix itid of
     Just (InInv cid' invid )
-        -> w' & creatures . ix cid' . crInv . ix invid . itScope
+        -> w' & cWorld . creatures . ix cid' . crInv . ix invid . itScope
-                . scopePos .~ (pos -.- _crPos (_creatures w' IM.! cid'))
+                . scopePos .~ (pos -.- _crPos (_creatures (_cWorld w') IM.! cid'))
     _   -> w'

src/Dodge/Item/Weapon/Shell.hs

@@ -6,7 +6,7 @@ import Geometry.Vector
 
 import Control.Lens
 decTimMvVel :: Proj -> World -> World
-decTimMvVel pj = projectiles . ix pjid %~
+decTimMvVel pj = cWorld . projectiles . ix pjid %~
     ( (prjTimer -~ 1) 
     . (prjPos   %~ (+.+ vel) )
     . (prjAcc   %~ rotateV rot )

src/Dodge/Item/Weapon/Spawn.hs

@@ -24,9 +24,9 @@ spawnCrNextTo
     -> Creature -- ^ existing creature that will be spawned next to
     -> World 
     -> World
-spawnCrNextTo cr sCr w = w & creatures %~ IM.insert k newCr
+spawnCrNextTo cr sCr w = w & cWorld . creatures %~ IM.insert k newCr
   where
-    k = IM.newKey $ _creatures w
+    k = IM.newKey $ _creatures (_cWorld w)
     newCr = cr
         & crID  .~ k
         & crPos .~ _crPos sCr +.+ unitVectorAtAngle (_crDir sCr)

src/Dodge/Item/Weapon/TriggerType.hs

@@ -95,7 +95,7 @@ type ChainEffect
     -> World
 
 lockInvFor :: Int -> ChainEffect
-lockInvFor i f it cr = f it cr . (delayedEvents .:~ (i, UnlockInv (_crID cr)))
+lockInvFor i f it cr = f it cr . (cWorld . delayedEvents .:~ (i, UnlockInv (_crID cr)))
     . lockInv (_crID cr)
 
 trigDoAlso'
@@ -139,7 +139,7 @@ withThickSmokeI eff item cr w = eff item cr
 ammoCheckI :: ChainEffect
 ammoCheckI eff itm cr w
     | _laLoaded ic <= 0 || not (_laPrimed ic) = w
-    | otherwise = eff itm cr $ w & creatures . ix (_crID cr) %~ crCancelReloading
+    | otherwise = eff itm cr $ w & cWorld . creatures . ix (_crID cr) %~ crCancelReloading
   where
     ic = _itConsumption itm
 
@@ -149,7 +149,7 @@ ammoHammerCheck :: ChainEffect
 ammoHammerCheck eff it cr w
     | _laLoaded ic <= 0 || not (_laPrimed ic) = w -- fromMaybe w (startReloadingWeapon cr w)
     | otherwise = case it ^? itUse . useHammer of
-        Just HammerUp -> eff it cr $ w & creatures . ix (_crID cr) %~ crCancelReloading
+        Just HammerUp -> eff it cr $ w & cWorld . creatures . ix (_crID cr) %~ crCancelReloading
         _             -> w
   where 
     ic = _itConsumption it
@@ -184,7 +184,7 @@ rateIncAB exeffFirst exeffCont eff item cr w
     startRate = _rateMaxMax . _useDelay $ _itUse item
     cid = _crID cr
     itRef = crSel cr
-    pointItem = creatures . ix cid . crInv . ix itRef
+    pointItem = cWorld . creatures . ix cid . crInv . ix itRef
     currentRate = _rateMax (_useDelay (_itUse item))
     repeatFire = crWeaponReady cr && _rateTime (_useDelay (_itUse item)) == 1 
     firstFire  = crWeaponReady cr && _rateTime (_useDelay (_itUse item)) == 0 
@@ -203,7 +203,7 @@ withWarmUp soundID f item cr w
   where 
     cid = _crID cr
     itRef = crSel cr
-    pointerToItem = creatures . ix cid . crInv . ix itRef
+    pointerToItem = cWorld . creatures . ix cid . crInv . ix itRef
     curWarmUp = _warmTime . _useDelay $ _itUse item
     maxWarmUp = _warmMax  . _useDelay $ _itUse item
 withSoundItemChoiceStart
@@ -259,12 +259,12 @@ withSoundForVol vol soundid playTime f item cr
 afterRecoil
     :: Float    -- ^ Recoil amount
     -> ChainEffect
-afterRecoil recoilAmount eff item cr = eff item (pushback cr) . over (creatures . ix cid) pushback
+afterRecoil recoilAmount eff item cr = eff item (pushback cr) . over (cWorld . creatures . ix cid) pushback
   where 
     cid = _crID cr
     pushback = over crPos (+.+ rotateV (_crDir cr) (V2 ((-recoilAmount) / _crMass cr ) 0))
 withRecoil :: ChainEffect
-withRecoil eff it cr = eff it cr . over (creatures . ix cid) pushback
+withRecoil eff it cr = eff it cr . over (cWorld . creatures . ix cid) pushback
   where 
     cid = _crID cr
     recoilAmount = fromMaybe 0 $ it ^? itParams . recoil
@@ -275,7 +275,7 @@ withSidePushI
     :: Float    -- ^ Maximal possible side push amount
     -> ChainEffect
 withSidePushI maxSide eff item cr w = eff item (push cr) $ w 
-    & creatures . ix cid %~ push
+    & cWorld . creatures . ix cid %~ push
     & randGen .~ g
   where 
     cid = _crID cr
@@ -287,7 +287,7 @@ Applied after the underlying effect.  -}
 withSidePushAfterI
     :: Float    -- ^ Maximal possible side push amount
     -> ChainEffect
-withSidePushAfterI maxSide eff item cr w = over (creatures . ix cid) push . eff item cr $ w 
+withSidePushAfterI maxSide eff item cr w = over (cWorld . creatures . ix cid) push . eff item cr $ w 
     & randGen .~ g
   where 
     cid = _crID cr
@@ -295,14 +295,14 @@ withSidePushAfterI maxSide eff item cr w = over (creatures . ix cid) push . eff
     (pushAmount, g) = randomR (-maxSide,maxSide) $ _randGen w
 useAllAmmo :: ChainEffect
 useAllAmmo eff item cr = eff item cr
-    . (creatures . ix (_crID cr) . crInv . ix (crSel cr) . itConsumption . laLoaded .~ 0)
+    . (cWorld . creatures . ix (_crID cr) . crInv . ix (crSel cr) . itConsumption . laLoaded .~ 0)
 useAmmoUpTo :: Int -> ChainEffect
 useAmmoUpTo amAmount eff item cr = eff item cr
-    . (creatures . ix (_crID cr) . crInv . ix (crSel cr) . itConsumption . laLoaded 
+    . (cWorld . creatures . ix (_crID cr) . crInv . ix (crSel cr) . itConsumption . laLoaded 
         %~ (max 0 . subtract amAmount))
 useAmmoAmount :: Int -> ChainEffect
 useAmmoAmount amAmount eff item cr = eff item cr
-    . (creatures . ix (_crID cr) . crInv . ix (crSel cr) . itConsumption . laLoaded -~ amAmount)
+    . (cWorld . creatures . ix (_crID cr) . crInv . ix (crSel cr) . itConsumption . laLoaded -~ amAmount)
 {- | 
 Applies a world effect after an item use cooldown check. -}
 useTimeCheck :: ChainEffect
@@ -311,7 +311,7 @@ useTimeCheck f item cr w = case item ^? itUse . useDelay . rateTime of
     _      -> w
   where
     cid = _crID cr
-    setUseTime = creatures . ix cid . crInv . ix (crSel cr) . itUse . useDelay . rateTime +~ userate
+    setUseTime = cWorld . creatures . ix cid . crInv . ix (crSel cr) . itUse . useDelay . rateTime +~ userate
     userate = fromMaybe 0 $ item ^? itUse . useDelay . rateMax
 {- | Applies a world effect after a hammer position check. -}
 hammerCheckI :: ChainEffect
@@ -332,7 +332,7 @@ ammoUseCheck f item cr w
   where 
     cid = _crID cr
     itRef = crSel cr
-    pointerToItem = creatures . ix cid . crInv . ix itRef
+    pointerToItem = cWorld . creatures . ix cid . crInv . ix itRef
     fireCondition = crWeaponReady cr
         && _rateTime (_useDelay (_itUse item)) == 0
         && _laLoaded (_itConsumption item) > 0
@@ -364,7 +364,7 @@ shootL f item cr w
   where 
     cid = _crID cr
     invid = _ipInvID $ _itPos item
-    pointerToItem = creatures . ix cid . crInv . ix invid
+    pointerToItem = cWorld . creatures . ix cid . crInv . ix invid
     fireCondition = _rateTime (_useDelay (_itUse item)) == 0
         && _arLoaded (_itConsumption item) > 0
 --    reloadCondition = _laLoaded (_itConsumption item) == 0
@@ -373,20 +373,20 @@ withItem g f it = g it f it
 
 -- not ideal
 withItemUpdate' :: (Item -> Item) -> ChainEffect
-withItemUpdate' up f it cr = f (up it) cr . (creatures . ix (_crID cr) . crInv . ix (crSel cr) %~ up)
+withItemUpdate' up f it cr = f (up it) cr . (cWorld . creatures . ix (_crID cr) . crInv . ix (crSel cr) %~ up)
 
 withItemUpdate :: (Item -> Item) -> (Item -> ChainEffect) -> ChainEffect
-withItemUpdate up g f it cr = g it f it cr . (creatures . ix (_crID cr) . crInv . ix (crSel cr) %~ up)
+withItemUpdate up g f it cr = g it f it cr . (cWorld . creatures . ix (_crID cr) . crInv . ix (crSel cr) %~ up)
 withTempLight :: Int -> Float -> V3 Float -> ChainEffect
 withTempLight time rad col eff item cr = eff item cr 
-    . over tempLightSources (theTLS :)
+    . over (cWorld . tempLightSources) (theTLS :)
   where
     theTLS = tlsTimeRadColPos time rad col (V3 x y 10)
     V2 x y = _crPos cr +.+ 15 *.* unitVectorAtAngle (_crDir cr)
 
 modClock :: Int -> ChainEffect -> ChainEffect
 modClock n chainEff eff it cr w
-    | _worldClock w `mod` n == 0 = chainEff eff it cr w
+    | _worldClock (_cWorld w) `mod` n == 0 = chainEff eff it cr w
     | otherwise = eff it cr w
 
 withMuzFlareI :: ChainEffect
@@ -491,9 +491,9 @@ torqueBefore
 torqueBefore torque feff item cr w 
     | cid == 0  = feff item (cr & crDir +~ rot) $ w
         & randGen                    .~ g 
-        & creatures . ix cid . crDir +~ rot
+        & cWorld . creatures . ix cid . crDir +~ rot
-        & cameraRot                  +~ rot
+        & cWorld . cameraRot                  +~ rot
-    | otherwise = feff item cr $ set randGen g $ over (creatures . ix cid . crDir) (+rot) w
+    | otherwise = feff item cr $ set randGen g $ over (cWorld . creatures . ix cid . crDir) (+rot) w
   where 
     cid = _crID cr
     (rot, g) = randomR (-torque,torque) $ _randGen w
@@ -506,9 +506,9 @@ torqueBeforeAtLeast
 torqueBeforeAtLeast minTorque exTorque feff item cr w 
     | cid == 0  = feff item (cr & crDir +~ rot') $ w
         & randGen                    .~ g 
-        & creatures . ix cid . crDir +~ rot'
+        & cWorld . creatures . ix cid . crDir +~ rot'
-        & cameraRot                  +~ rot'
+        & cWorld . cameraRot                  +~ rot'
-    | otherwise = feff item cr $ set randGen g $ over (creatures . ix cid . crDir) (+rot') w
+    | otherwise = feff item cr $ set randGen g $ over (cWorld . creatures . ix cid . crDir) (+rot') w
   where 
     cid = _crID cr
     (rot, g) = randomR (-exTorque,exTorque) $ _randGen w
@@ -518,8 +518,8 @@ torqueBeforeAtLeast minTorque exTorque feff item cr w
 withTorqueAfter :: ChainEffect
 withTorqueAfter feff item cr w 
 --    | cid == 0  = rotateScope $ set randGen g $ over cameraRot (+rot) $ feff item cr w
-    | cid == 0  = set randGen g $ over cameraRot (+rot) $ feff item cr w
+    | cid == 0  = set randGen g $ over (cWorld . cameraRot) (+rot) $ feff item cr w
-    | otherwise = set randGen g $ over (creatures . ix cid . crDir) (+rot) $ feff item cr w
+    | otherwise = set randGen g $ over (cWorld . creatures . ix cid . crDir) (+rot) $ feff item cr w
   where 
     cid = _crID cr
     (rot, g) = randomR (-torque,torque) $ _randGen w
@@ -547,12 +547,12 @@ sideEffectOnFrame :: Int
     -> (Item -> Creature -> WdWd)
     -> ChainEffect
 sideEffectOnFrame i sf f it cr w = f it cr w
-    & delayedEvents .:~ (i, sf it cr)
+    & cWorld . delayedEvents .:~ (i, sf it cr)
 
 torqueSideEffect :: Float -> Item -> Creature -> World -> World
 torqueSideEffect torque _ cr w
-    | cid == 0  = set randGen g $ over cameraRot (+rot) w
+    | cid == 0  = set randGen g $ over (cWorld . cameraRot) (+rot) w
-    | otherwise = set randGen g $ over (creatures . ix cid . crDir) (+rot) w
+    | otherwise = set randGen g $ over (cWorld . creatures . ix cid . crDir) (+rot) w
   where 
     cid = _crID cr
     (rot, g) = randomR (-torque,torque) $ _randGen w

src/Dodge/Item/Weapon/Utility.hs

@@ -90,11 +90,11 @@ useForceFieldGun itm cr w = fromMaybe w $ do
         b = if dist a mwp < 100 then mwp else a +.+ 100 *.* normalizeV (mwp -.- a)
         wlline = (a,b)
     return $ w 
-        & walls %~ IM.insertWith (\_ x -> x) i forceField {_wlID = i}
+        & cWorld . walls %~ IM.insertWith (\_ x -> x) i forceField {_wlID = i}
-        & creatures . ix (_crID cr) . crInv . ix (_ipInvID (_itPos itm)) . itParams . paramMID ?~ i
+        & cWorld . creatures . ix (_crID cr) . crInv . ix (_ipInvID (_itPos itm)) . itParams . paramMID ?~ i
         & moveWallIDUnsafe i wlline
   where
-    i = fromMaybe (IM.newKey (_walls w)) $ itm ^? itParams . paramMID . _Just
+    i = fromMaybe (IM.newKey (_walls (_cWorld w))) $ itm ^? itParams . paramMID . _Just
 
 -- grapGun = defaultGun 
 --     { _itName = "grapGun"

src/Dodge/Lampoid.hs

@@ -10,16 +10,16 @@ import LensHelp
 import qualified IntMapHelp as IM
 updateLampoid :: Creature -> World -> World
 updateLampoid cr w = case cr ^?! crType . lampLSID of
-    Nothing -> let i = IM.newKey (_lightSources w)
+    Nothing -> let i = IM.newKey (_lightSources (_cWorld w))
-        in w & lightSources %~ IM.insert i (lsColPosID lcol (addZ h cpos) i)
+        in w & cWorld . lightSources %~ IM.insert i (lsColPosID lcol (addZ h cpos) i)
     Just i 
         | _crHP cr < 0 -> w
             & explosionFlashAt cpos 
             & originsIDsAt [MaterialSound Glass n | n <- [0,1,2]] (destroyMatS Glass) cpos 
-            & lightSources . at i .~ Nothing
+            & cWorld . lightSources . at i .~ Nothing
-            & creatures . at cid .~ Nothing
+            & cWorld . creatures . at cid .~ Nothing
         | otherwise -> w 
-            & lightSources . ix i . lsParam . lsPos .~ addZ h cpos
+            & cWorld . lightSources . ix i . lsParam . lsPos .~ addZ h cpos
             & doDamage cr
   where
     cpos = _crPos cr

src/Dodge/Layout.hs

@@ -41,12 +41,11 @@ generateLevelFromRoomList gr' w = over gwWorld initWallZoning
     . doIndividualPlacements
     . setFloors
     . worldToGenWorld rs'
-    $ w { _walls        = wallsFromRooms rs
+    $ w & cWorld . walls .~ wallsFromRooms rs
-        , _gameRooms    = gameRoomsFromRooms (IM.elems rs')
+        & cWorld . gameRooms .~ gameRoomsFromRooms (IM.elems rs')
-        , _pathGraph    = path
+        & cWorld . pathGraph .~ path
-        }
+        & cWorld . pnZoning   .~ foldl' (flip zonePn) mempty (labNodes path)
-        & pnZoning   .~ foldl' (flip zonePn) mempty (labNodes path)
+        & cWorld . peZoning   .~ foldl' (flip zonePe) mempty (labEdges path)
-        & peZoning   .~ foldl' (flip zonePe) mempty (labEdges path)
   where
     (_,path) = pairsToGraph pairPath'
     pairPath = foldMap _rmPath rs
@@ -55,10 +54,10 @@ generateLevelFromRoomList gr' w = over gwWorld initWallZoning
     rs'= mapM shuffleRoomPos gr' & evalState $ _randGen w
 
 randomCompass :: World -> World
-randomCompass w = w & cameraRot .~ (takeOne [0,0.5*pi,pi,1.5*pi] & evalState $ _randGen w)
+randomCompass w = w & cWorld . cameraRot .~ (takeOne [0,0.5*pi,pi,1.5*pi] & evalState $ _randGen w)
 
 putFloorTiles :: GenWorld -> GenWorld
-putFloorTiles gw = gw & gwWorld . floorTiles .~ floorsFromGenWorld gw
+putFloorTiles gw = gw & gwWorld . cWorld . floorTiles .~ floorsFromGenWorld gw
 
 setFloors :: GenWorld -> GenWorld
 setFloors = putFloorTiles . setTiles
@@ -124,7 +123,7 @@ doRoomPlacements :: GenWorld -> Room -> (GenWorld, Room)
 doRoomPlacements w rm = foldl' (\wr -> fst . placeSpot wr) (w,rm) $ _rmPmnts rm
 
 setupWorldBounds :: World -> World
-setupWorldBounds w = w & worldBounds %~
+setupWorldBounds w = w & cWorld . worldBounds %~
     ( (bdMinX .~ f minx)
     . (bdMaxX .~ f maxx)
     . (bdMinY .~ f miny)
@@ -132,7 +131,7 @@ setupWorldBounds w = w & worldBounds %~
     )
   where
     f = fromMaybe 0
-    ps = IM.map (fst . _wlLine) $ _walls w
+    ps = IM.map (fst . _wlLine) $ _walls (_cWorld w)
     (minx,maxx,miny,maxy) = L.fold ((,,,) 
         <$> L.premap fstV2 L.minimum
         <*> L.premap fstV2 L.maximum
@@ -144,7 +143,7 @@ setupWorldBounds w = w & worldBounds %~
 --polyhedrasToEdges = concatMap tflat4 . concatMap polyToEdges
 
 initWallZoning :: World -> World
-initWallZoning w = foldl' (flip insertWallInZones) (w & wlZoning .~ IM.empty) (_walls w)
+initWallZoning w = foldl' (flip insertWallInZones) (w & cWorld . wlZoning .~ IM.empty) (_walls (_cWorld w))
 
 --makePath :: Tree Room -> [(Point2,Point2)]
 --makePath = concatMap _rmPath . flatten

src/Dodge/LevelGen.hs

@@ -29,17 +29,17 @@ generateWorldFromSeed i = do
     return -- $ saveLevelStartSlot 
         $ postGenerationProcessing
         $ _gwWorld (generateLevelFromRoomList roomList initialWorld{_randGen=mkStdGen i})
-        & roomClipping .~ bounds
+        & cWorld . roomClipping .~ bounds
 
 postGenerationProcessing :: World -> World
-postGenerationProcessing w = foldl' assignPushDoors w (_doors w)
+postGenerationProcessing w = foldl' assignPushDoors w (_doors (_cWorld w))
 
 generateGraphs :: IO ()
 generateGraphs = TIO.writeFile "graph/itemCombinations.gv" combinationsDotGraph
 
 assignPushDoors :: World -> Door -> World
 assignPushDoors w dr = case dr ^?! drPushedBy of
-    PushedBy i -> w & doors . ix i . drPushes ?~ _drID dr
+    PushedBy i -> w & cWorld . doors . ix i . drPushes ?~ _drID dr
     _ -> w
 
 layoutLevelFromSeed :: Int -> Int -> IO (IM.IntMap Room,[ConvexPoly])

src/Dodge/LevelGen/LevelStructure.hs

@@ -18,7 +18,7 @@ import qualified Data.Map.Strict as M
 
 worldToGenWorld :: IM.IntMap Room -> World -> GenWorld
 worldToGenWorld rms w = GenWorld 
-    { _gwWorld = w & genParams .~ evalState generateGenParams (_randGen w)
+    { _gwWorld = w & cWorld . genParams .~ evalState generateGenParams (_randGen w)
     , _genRooms = rms
     , _genPlacements = mempty
     }

src/Dodge/LightSource.hs

@@ -84,19 +84,19 @@ tlsTimeRadColPos t rmax col (V3 x y z) = TLS
     }
 
 makeTlsTimeRadColPos :: Int -> Float -> Point3 -> Point3 -> World -> World
-makeTlsTimeRadColPos i rad (V3 r g b) p = tempLightSources .:~ tlsTimeRadColPos i rad (V3 r g b) p
+makeTlsTimeRadColPos i rad (V3 r g b) p = cWorld . tempLightSources .:~ tlsTimeRadColPos i rad (V3 r g b) p
 
 destroyLS :: Int -> World -> World
 destroyLS lsid w = w
-    & lightSources . at lsid .~ Nothing
+    & cWorld . lightSources . at lsid .~ Nothing
     & destroyLSFlashAt p3
     & originsIDsAt [MaterialSound Glass n | n <- [0,1,2]] (destroyMatS Glass) (xyV3 p3)
   where
-    ls = w ^?! lightSources . ix lsid
+    ls = w ^?! cWorld . lightSources . ix lsid  -- unsafe
     p3 = _lsPos $ _lsParam ls
 
 destroyLSFlashAt :: Point3 -> World -> World
-destroyLSFlashAt (V3 x' y' z') = tempLightSources .:~ tlsTimeRadFunPos 20 150 
+destroyLSFlashAt (V3 x' y' z') = cWorld . tempLightSources .:~ tlsTimeRadFunPos 20 150 
     (TLSFade 1 10)
     (addZ z' p)
   where 

src/Dodge/LightSource/Torch.hs

@@ -6,7 +6,7 @@ import Dodge.Item.Draw  -- heldItemOffset needs to be moved somewhere more sensi
 import Dodge.LightSource -- this needs to be split!
 
 createTorchLightOffset :: Creature -> Item -> Point3 -> World -> World
-createTorchLightOffset cr it off = tempLightSources .:~ tlsTimeRadColPos 1 250 0.7 
+createTorchLightOffset cr it off = cWorld . tempLightSources .:~ tlsTimeRadColPos 1 250 0.7 
         (p +.+.+ rotate3 (_crDir cr) (heldItemOffset it cr (off +.+.+ V3 8 0 1.5)))
   where
     p = addZ 0 $ _crPos cr

src/Dodge/LinearShockwave/Update.hs

@@ -7,8 +7,8 @@ import Control.Lens
 
 updateLinearShockwave :: LinearShockwave -> World -> World
 updateLinearShockwave lw w
-    | t < 1 = w & linearShockwaves %~ IM.delete lwid
+    | t < 1 = w & cWorld . linearShockwaves %~ IM.delete lwid
-    | otherwise = w & linearShockwaves . ix lwid . lwTimer -~ 1
+    | otherwise = w & cWorld . linearShockwaves . ix lwid . lwTimer -~ 1
   where
     lwid = _lwID lw
     t = _lwTimer lw

src/Dodge/Luse.hs

@@ -16,18 +16,18 @@ useL lu = case lu of
     LBoost -> boostSelfL 10
 
 useRewindGun :: Item -> Creature -> World -> World
-useRewindGun _ _ w = case _rewindWorlds w of
+useRewindGun _ _ w = case _rewindWorlds (_cWorld w) of
     [w']        -> rewindusing w' [w']
     (w':ws)   -> rewindusing w' ws
     _           -> w
   where
     rewindusing w' ws = w
-        & maybeWorld .~ Just' ( w'
+        & cWorld . maybeWorld .~ Just' ( w'
 --        & creatures . ix (_crID cr) .~ cr
         & upbuts
-        & rewindWorlds .~ ws
+        & cWorld . rewindWorlds .~ ws
         )
-    upbuts = (keys .~ _keys w) .  (mouseButtons .~ _mouseButtons w)
+    upbuts = (cWorld . keys .~ _keys (_cWorld w)) .  (cWorld . mouseButtons .~ _mouseButtons (_cWorld w))
 
 -- be careful changing this around; potential problems include updating the
 -- creature but using the old crInvSel value
@@ -39,5 +39,5 @@ useShrinkGun it cr w = if _atBool $ _itAttachment it
   where
     invid = _ipInvID $ _itPos it
     tryResize x g = maybe w g $ sizeSelf x cr w
-    f isInUse cstatus = creatures . ix (_crID cr) . crInv . ix invid %~
+    f isInUse cstatus = cWorld . creatures . ix (_crID cr) . crInv . ix invid %~
         ( (itAttachment . atBool .~ isInUse) . (itCurseStatus .~ cstatus) )

src/Dodge/Machine.hs

@@ -19,9 +19,9 @@ machineUpdateLiveDieEff
     -> Machine -> World -> World
 machineUpdateLiveDieEff livef dief mc
     | _mcHP mc < 1 = dief mc 
-        . (machines %~ IM.delete mcid)
+        . (cWorld . machines %~ IM.delete mcid)
         . deleteWallIDs (_mcWallIDs mc)
-    | otherwise = livef mc . (machines . ix mcid %~ ( (mcDamage .~ []) . (mcHP -~ dams) ))
+    | otherwise = livef mc . (cWorld . machines . ix mcid %~ ( (mcDamage .~ []) . (mcHP -~ dams) ))
   where
     dams = sum $ map _dmAmount $ _mcDamage mc 
     mcid = _mcID mc
@@ -30,9 +30,9 @@ machineUpdateDeathEff :: (Machine -> World -> World)
     -> Machine -> World -> World
 machineUpdateDeathEff f mc
     | _mcHP mc < 1 = f mc 
-        . (machines %~ IM.delete mcid)
+        . (cWorld . machines %~ IM.delete mcid)
         . deleteWallIDs (_mcWallIDs mc)
-    | otherwise = machines . ix mcid %~ ( (mcDamage .~ []) . (mcHP -~ dams) )
+    | otherwise = cWorld . machines . ix mcid %~ ( (mcDamage .~ []) . (mcHP -~ dams) )
   where
     dams = sum $ map _dmAmount $ _mcDamage mc 
     mcid = _mcID mc

src/Dodge/Machine/Damage.hs

@@ -3,7 +3,7 @@ import Dodge.Data
 import LensHelp
 
 basicMachineApplyDamage :: Machine -> World -> World
-basicMachineApplyDamage mc = machines . ix mcid %~ ( (mcDamage .~ []) . (mcHP -~ dams) )
+basicMachineApplyDamage mc = cWorld . machines . ix mcid %~ ( (mcDamage .~ []) . (mcHP -~ dams) )
   where
     dams = sum $ map _dmAmount $ _mcDamage mc 
     mcid = _mcID mc

src/Dodge/Machine/Destroy.hs

@@ -9,7 +9,7 @@ import Data.Maybe
 import qualified IntMapHelp as IM
 
 destroyMachine :: Machine -> World -> World
-destroyMachine mc = (machines %~ IM.delete (_mcID mc))
+destroyMachine mc = (cWorld . machines %~ IM.delete (_mcID mc))
     . deleteWallIDs (_mcWallIDs mc)
     . makeExplosionAt (_mcPos mc)
     . mcKillTerm mc
@@ -18,11 +18,11 @@ destroyMachine mc = (machines %~ IM.delete (_mcID mc))
 mcKillTerm :: Machine -> World -> World
 mcKillTerm mc w = fromMaybe w $ do
     tmid <- mc ^? mcMounts . ix ObTerminal
-    tm <- w ^? terminals . ix tmid 
+    tm <- w ^? cWorld . terminals . ix tmid 
     return $ w 
         & doTmWdWd (_tmDeathEffect tm) tm
 
 mcKillBut :: Machine -> World -> World
 mcKillBut mc w = fromMaybe w $ do
     btid <- mc ^? mcMounts . ix ObButton
-    return $ w & buttons . at btid .~ Nothing
+    return $ w & cWorld . buttons . at btid .~ Nothing

src/Dodge/Machine/Update.hs

@@ -34,7 +34,7 @@ mcTurretUpdate mc = case _mcType mc of
 -- this needs a major cleanup
 updateTurret :: Float -> Machine -> World -> World
 updateTurret rotSpeed mc w 
-    | _mcHP mc < 1 = w & machines %~ IM.delete mcid
+    | _mcHP mc < 1 = w & cWorld . machines %~ IM.delete mcid
         & deleteWallIDs (_mcWallIDs mc)
         & makeExplosionAt mcpos
         & copyItemToFloor mcpos lasGun
@@ -47,12 +47,12 @@ updateTurret rotSpeed mc w
   where
     deleteHomonculus = case _tuMCrID (_mcType mc) of
         Nothing -> id
-        Just cid -> creatures . at cid .~ Nothing
+        Just cid -> cWorld . creatures . at cid .~ Nothing
-    initHomonculus w' = case w' ^? machines . ix mcid . mcType . tuMCrID . _Just of
+    initHomonculus w' = case w' ^? cWorld . machines . ix mcid . mcType . tuMCrID . _Just of
-        Nothing -> w' & machines . ix mcid . mcType . tuMCrID ?~ cid
+        Nothing -> w' & cWorld . machines . ix mcid . mcType . tuMCrID ?~ cid
-            & creatures . at cid ?~ thecreature
+            & cWorld . creatures . at cid ?~ thecreature
           where
-            cid = IM.newKey (_creatures w')
+            cid = IM.newKey (_creatures (_cWorld w'))
             thecreature = defaultCreature
                 & crID .~ cid
                 & crInv . at 0 ?~ (_tuWeapon (_mcType mc) & itUse . useAim . aimHandlePos -~ 10
@@ -65,9 +65,9 @@ updateTurret rotSpeed mc w
                 & crStance . posture .~ Aiming
                 & crMaterial .~ Crystal
         Just cid -> w'
-            & creatures . ix cid . crPos .~ mcpos
+            & cWorld . creatures . ix cid . crPos .~ mcpos
-            & creatures . ix cid . crDir .~ mcdir
+            & cWorld . creatures . ix cid . crDir .~ mcdir
-    dodamage = machines . ix mcid %~ 
+    dodamage = cWorld . machines . ix mcid %~ 
         ( (mcDamage .~ [Damage ELECTRICAL (min 2500 $ max 0 (elecDam - 10)) 0 0 0 NoDamageEffect])
         . (mcHP -~ dam)
         )
@@ -78,7 +78,7 @@ updateTurret rotSpeed mc w
         | _tuFireTime (_mcType mc) > 0
             = fromMaybe id $ do
                 cid <- _tuMCrID (_mcType mc)
-                return $ creatures . ix cid . crActionPlan . apImpulse .~ [UseItem]
+                return $ cWorld . creatures . ix cid . crActionPlan . apImpulse .~ [UseItem]
         | otherwise = id
     mcid = _mcID mc
     ypos = _crPos $ you w
@@ -89,18 +89,18 @@ updateTurret rotSpeed mc w
     dam = sum $ map _dmAmount dams
     elecDam = sum $ map _dmAmount elecDams
     doTurn  
-        | seesYou = machines . ix mcid . mcDir %~ turnTo rotSpeed mcpos ypos
+        | seesYou = cWorld . machines . ix mcid . mcDir %~ turnTo rotSpeed mcpos ypos
         | otherwise = id
     closeFireAngle = seesYou -- && angleVV (ypos -.- mcpos) (unitVectorAtAngle mcdir) < 1
     updateFiringStatus 
-        | closeFireAngle = machines . ix mcid . mcType . tuFireTime .~ 20
+        | closeFireAngle = cWorld . machines . ix mcid . mcType . tuFireTime .~ 20
-        | otherwise      = machines . ix mcid . mcType . tuFireTime %~ (max 0 . subtract 1)
+        | otherwise      = cWorld . machines . ix mcid . mcType . tuFireTime %~ (max 0 . subtract 1)
 
 mcSensorTriggerUpdate :: Machine -> World -> World
 mcSensorTriggerUpdate mc = fromMaybe id $ do
     trid <- mc ^? mcMounts . ix ObTrigger
     bval <- mcTriggerVal mc
-    return $ triggers . ix trid .~ bval
+    return $ cWorld . triggers . ix trid .~ bval
 
 mcTriggerVal :: Machine -> Maybe Bool
 mcTriggerVal mc = case mc ^. mcSensor of
@@ -119,7 +119,7 @@ mcPlaySound mc w = case _mcCloseSound mc of
 
 mcApplyDamage :: [Damage] -> Machine -> World -> World
 mcApplyDamage ds mc = case _mcSensor mc of
-    NoSensor -> machines . ix (_mcID mc) %~
+    NoSensor -> cWorld . machines . ix (_mcID mc) %~
         ( (mcDamage .~ []) . (mcHP -~ sum (map _dmAmount ds)) )
     _ -> id
 
@@ -137,12 +137,12 @@ mcProximitySensorUpdate mc w = case
         , dist (_crPos ycr) (_mcPos mc) < _proxDist sens) of
     (_,True,_,_) -> w
     (_,False,True,True) -> w 
-            & machines . ix (_mcID mc) . mcSensor . sensToggle .~ True
+            & cWorld . machines . ix (_mcID mc) . mcSensor . sensToggle .~ True
             & playsound dedaS
-            & machines . ix (_mcID mc) . mcSensor . proxStatus .~ IsClose
+            & cWorld . machines . ix (_mcID mc) . mcSensor . proxStatus .~ IsClose
     (NotClose,_,False,True) -> w & playsound dedumS
-            & machines . ix (_mcID mc) . mcSensor . proxStatus .~ IsClose
+            & cWorld . machines . ix (_mcID mc) . mcSensor . proxStatus .~ IsClose
-    (_,_,_,False) -> w & machines . ix (_mcID mc) . mcSensor . proxStatus .~ NotClose
+    (_,_,_,False) -> w & cWorld . machines . ix (_mcID mc) . mcSensor . proxStatus .~ NotClose
     _ -> w
  where
     playsound sid = soundContinue (MachineAltSound (_mcID mc)) (_mcPos mc) sid Nothing
@@ -158,7 +158,7 @@ mcProxTest mc w = case mc ^? mcSensor . proxRequirement of
     cr = you w
     
 senseDamage :: DamageType -> Machine -> World -> World
-senseDamage dt mc = (machines . ix mcid %~ upmc)
+senseDamage dt mc = (cWorld . machines . ix mcid %~ upmc)
     . updatels
   where
     upmc = mcSensor . sensAmount %~ min 1000 . max 0 . (+ (newsense - 5))
@@ -167,7 +167,7 @@ senseDamage dt mc = (machines . ix mcid %~ upmc)
     ni = fromIntegral (_sensAmount $ _mcSensor mc) / 1000
     updatels = fromMaybe id $ do
         lsid <- mc ^? mcMounts . ix ObLightSource
-        return $ lightSources . ix lsid . lsParam . lsCol .~ V3 ni ni ni
+        return $ cWorld . lightSources . ix lsid . lsParam . lsCol .~ V3 ni ni ni
 
 damageUsing :: DamageType -> Damage -> Either Int Int
 damageUsing dt dm

src/Dodge/ModificationEffect.hs

@@ -7,11 +7,11 @@ import Control.Lens
 doModificationEffect :: MdWdWd -> Modification -> World -> World
 doModificationEffect mww = case mww of
     MdWdId -> const id
-    MdTrigIf ftrue ffalse -> \md w -> if w ^?! triggers . ix (_mdExternalID2 md)
+    MdTrigIf ftrue ffalse -> \md w -> if w ^?! cWorld . triggers . ix (_mdExternalID2 md)
         then w & doModificationEffect ftrue md
         else w & doModificationEffect ffalse md
         -- note this uses the second external ix
-    MdSetLSCol col -> \md w -> w & lightSources . ix (_mdExternalID1 md) . lsParam . lsCol .~ col
+    MdSetLSCol col -> \md w -> w & cWorld . lightSources . ix (_mdExternalID1 md) . lsParam . lsCol .~ col
         -- note this uses the first external ix, this should be made more
         -- transparent
     MdFlickerUpdate -> flickerUpdate

src/Dodge/Path.hs

@@ -34,13 +34,13 @@ import qualified Streaming.Prelude as S
 --import Data.Graph.Inductive.Graph hiding ((&))
 
 getNodePos :: Int -> World -> Maybe Point2
-getNodePos i w = _pathGraph w `lab` i
+getNodePos i w = _pathGraph (_cWorld w) `lab` i
 
 makePathBetween :: Point2 -> Point2 -> World -> Maybe [Int]
 makePathBetween a b w = do -- join $ sp <$> a' <*> b' <*> return (_pathGraph w)
     na <- walkableNodeNear w a
     nb <- walkableNodeNear w b
-    sp na nb (second _peDist (efilter (not . pathEdgeObstructed . (^. _3)) $ _pathGraph w))
+    sp na nb (second _peDist (efilter (not . pathEdgeObstructed . (^. _3)) $ _pathGraph (_cWorld w)))
 
 pathEdgeObstructed :: PathEdge -> Bool
 pathEdgeObstructed pe = DoorObstacle `Set.member` obs || BlockObstacle `Set.member` obs
@@ -53,15 +53,15 @@ walkableNodeNear :: World -> Point2 -> Maybe Int
 walkableNodeNear w p = fmap fst . find (flip (isWalkable p) w . snd) $ nodesNear
   where
     --nodesNear = runIdentity . S.toList_ $ nearPoint _pnZoning p w
-    nodesNear = zonesExtract (w ^. pnZoning) $ zonesAroundPoint pnZoneSize p
+    nodesNear = zonesExtract (w ^. cWorld . pnZoning) $ zonesAroundPoint pnZoneSize p
 
 makePathBetweenPs :: Point2 -> Point2 -> World -> Maybe [Point2]
-makePathBetweenPs a b w = mapMaybe (lab $ _pathGraph w) <$> makePathBetween a b w
+makePathBetweenPs a b w = mapMaybe (lab $ _pathGraph (_cWorld w)) <$> makePathBetween a b w
 
 bfsNodePoints :: Int -> World -> [Point2]
 bfsNodePoints n w = mapMaybe (lab g) $ bfs n g
   where
-    g = _pathGraph w
+    g = _pathGraph (_cWorld w)
 
 
 pointTowardsImpulse :: Point2 -> Point2 -> World -> Maybe Point2
@@ -137,7 +137,7 @@ addEdges nodemap gr = runIdentity . S.fold_ f (mempty,gr) id
 
 obstructPathsCrossing :: EdgeObstacle -> Point2 -> Point2 -> World -> ( World, [(Int,Int,PathEdge)])
 obstructPathsCrossing obstacletype sp' ep w = 
-    ( w & pathGraph %~ updateedges
+    ( w & cWorld . pathGraph %~ updateedges
     , es
     )
   where

src/Dodge/Picture/SizeInvariant.hs

@@ -20,9 +20,9 @@ fixedSizePicAt pic p w
     . scale theScale theScale 
     $ pic 
   where
-    campos = _cameraViewFrom w
+    campos = _cameraViewFrom (_cWorld w)
     v = p -.- campos
-    theScale = 1 / _cameraZoom w
+    theScale = 1 / _cameraZoom (_cWorld w)
     (V2 x y) = campos +.+ v
 
 fixedSizePicClamp
@@ -40,11 +40,11 @@ fixedSizePicClamp xbord ybord pic p cfig w
     . scale theScale theScale 
     $ pic 
   where
-    r = negate $ _cameraRot w
+    r = negate $ _cameraRot (_cWorld w)
-    z = _cameraZoom w
+    z = _cameraZoom (_cWorld w)
-    campos = _cameraViewFrom w
+    campos = _cameraViewFrom (_cWorld w)
     v = p -.- campos
-    theScale = 1 / _cameraZoom w
+    theScale = 1 / _cameraZoom (_cWorld w)
     (V2 x y) = campos +.+ rotateV (negate r) (V2 xr' yr')
     (V2 xr yr) = rotateV r v
     xr' = absClamp ((halfWidth cfig  - fromIntegral xbord) / z) xr
@@ -71,8 +71,8 @@ fixedSizePicClampArrow xbord ybord pic p cfig w = pictures
         Nothing -> blank
         Just bp -> thickLine 5 [bp, fromMaybe p windowPoint]
     (V2 x y) = fromMaybe p borderPoint
-    campos = _cameraCenter w
+    campos = _cameraCenter (_cWorld w)
-    theScale = 1 / _cameraZoom w
+    theScale = 1 / _cameraZoom (_cWorld w)
 
 absClamp 
     :: Float -- ^ clamping value, assumed positive

src/Dodge/Placement/Instance/LightSource/Flicker.hs

@@ -18,13 +18,13 @@ flickerMod pl = Just $ sps0 $ PutMod $ ModIDTimerPoint3Bool
 
 flickerUpdate :: Modification -> World -> World
 flickerUpdate md w 
-    | _mdTimer md > 0 = w & modifications . ix mdid . mdTimer -~ 1
+    | _mdTimer md > 0 = w & cWorld . modifications . ix mdid . mdTimer -~ 1
-    | otherwise = w & lightSources . ix lsid . lsParam . lsCol .~ mdcol
+    | otherwise = w & cWorld . lightSources . ix lsid . lsParam . lsCol .~ mdcol
-        & modifications . ix mdid 
+        & cWorld . modifications . ix mdid 
             %~ ( (mdTimer .~ newtime) . (mdPoint3 .~ lscol) . (mdBool %~ not) )
   where
     mdcol = _mdPoint3 md
-    lscol = _lsCol $ _lsParam $ _lightSources w IM.! lsid
+    lscol = w ^?! cWorld . lightSources . ix lsid . lsParam . lsCol -- _lsCol $ _lsParam $ _lightSources w IM.! lsid
     lsid = _mdExternalID md
     mdid = _mdID md
     timerange 

src/Dodge/Placement/Instance/Sensor.hs

@@ -29,7 +29,7 @@ damageSensor dt wdth mtrid ps = pContID ps (PutLS $ lsPosCol (V3 0 0 30) 0.1)
             & mcColor .~ yellow
             & mcMounts . at ObTrigger .~ mtrid
             & mcMounts . at ObLightSource ?~ lsid
-            & mcDraw .~ MachineDrawDamageSensor wdth (_sensorCoding (_genParams gw) M.! dt)
+            & mcDraw .~ MachineDrawDamageSensor wdth (_sensorCoding (_genParams (_cWorld gw)) M.! dt)
             & mcSensor .~ DamageSensor False 0 dt
         )
         defaultSensorWall

src/Dodge/Placement/Instance/Terminal.hs

@@ -29,10 +29,10 @@ putTerminal mc tm
     $ \mcpl -> Just $ sps0 $ PutWorldUpdate $ const (setids tmpl btpl mcpl) 
   where
     setids tmpl btpl mcpl w = w
-        & terminals . ix tmid . tmButtonID .~ btid
+        & cWorld . terminals . ix tmid . tmButtonID .~ btid
-        & terminals . ix tmid . tmMachineID .~ mcid
+        & cWorld . terminals . ix tmid . tmMachineID .~ mcid
-        & machines  . ix mcid . mcMounts . at ObTerminal ?~ tmid
+        & cWorld . machines  . ix mcid . mcMounts . at ObTerminal ?~ tmid
-        & buttons   . ix btid . btTermMID ?~ tmid
+        & cWorld . buttons   . ix btid . btTermMID ?~ tmid
       where
         tmid = fromJust (_plMID tmpl)
         btid = fromJust (_plMID btpl)

src/Dodge/Placement/Instance/Turret.hs

@@ -39,7 +39,7 @@ lasTurret = Turret
 -- this needs a major cleanup
 updateTurret :: Float -> Machine -> World -> World
 updateTurret rotSpeed mc w 
-    | _mcHP mc < 1 = w & machines %~ IM.delete mcid
+    | _mcHP mc < 1 = w & cWorld . machines %~ IM.delete mcid
         & deleteWallIDs (_mcWallIDs mc)
         & makeExplosionAt mcpos
         & copyItemToFloor mcpos lasGun
@@ -52,12 +52,12 @@ updateTurret rotSpeed mc w
   where
     deleteHomonculus = case _tuMCrID (_mcType mc) of
         Nothing -> id
-        Just cid -> creatures . at cid .~ Nothing
+        Just cid -> cWorld . creatures . at cid .~ Nothing
-    initHomonculus w' = case w' ^? machines . ix mcid . mcType . tuMCrID . _Just of
+    initHomonculus w' = case w' ^? cWorld . machines . ix mcid . mcType . tuMCrID . _Just of
-        Nothing -> w' & machines . ix mcid . mcType . tuMCrID ?~ cid
+        Nothing -> w' & cWorld . machines . ix mcid . mcType . tuMCrID ?~ cid
-            & creatures . at cid ?~ thecreature
+            & cWorld . creatures . at cid ?~ thecreature
           where
-            cid = IM.newKey (_creatures w')
+            cid = IM.newKey (_creatures (_cWorld w'))
             thecreature = defaultCreature
                 & crID .~ cid
                 & crInv . at 0 ?~ (_tuWeapon (_mcType mc) & itUse . useAim . aimHandlePos -~ 10
@@ -70,9 +70,9 @@ updateTurret rotSpeed mc w
                 & crStance . posture .~ Aiming
                 & crMaterial .~ Crystal
         Just cid -> w'
-            & creatures . ix cid . crPos .~ mcpos
+            & cWorld . creatures . ix cid . crPos .~ mcpos
-            & creatures . ix cid . crDir .~ mcdir
+            & cWorld . creatures . ix cid . crDir .~ mcdir
-    dodamage = machines . ix mcid %~ 
+    dodamage = cWorld . machines . ix mcid %~ 
         ( (mcDamage .~ [Damage ELECTRICAL (min 2500 $ max 0 (elecDam - 10)) 0 0 0 NoDamageEffect])
         . (mcHP -~ dam)
         )
@@ -83,7 +83,7 @@ updateTurret rotSpeed mc w
         | _tuFireTime (_mcType mc) > 0
             = fromMaybe id $ do
                 cid <- _tuMCrID (_mcType mc)
-                return $ creatures . ix cid . crActionPlan . apImpulse .~ [UseItem]
+                return $ cWorld . creatures . ix cid . crActionPlan . apImpulse .~ [UseItem]
         | otherwise = id
     mcid = _mcID mc
     ypos = _crPos $ you w
@@ -94,12 +94,12 @@ updateTurret rotSpeed mc w
     dam = sum $ map _dmAmount dams
     elecDam = sum $ map _dmAmount elecDams
     doTurn  
-        | seesYou = machines . ix mcid . mcDir %~ turnTo rotSpeed mcpos ypos
+        | seesYou = cWorld . machines . ix mcid . mcDir %~ turnTo rotSpeed mcpos ypos
         | otherwise = id
     closeFireAngle = seesYou -- && angleVV (ypos -.- mcpos) (unitVectorAtAngle mcdir) < 1
     updateFiringStatus 
-        | closeFireAngle = machines . ix mcid . mcType . tuFireTime .~ 20
+        | closeFireAngle = cWorld . machines . ix mcid . mcType . tuFireTime .~ 20
-        | otherwise      = machines . ix mcid . mcType . tuFireTime %~ (max 0 . subtract 1)
+        | otherwise      = cWorld . machines . ix mcid . mcType . tuFireTime %~ (max 0 . subtract 1)
     
 
 drawTurret :: Machine -> SPic

src/Dodge/Placement/PlaceSpot.hs

@@ -88,21 +88,21 @@ placeSpotID ps pt gw = let (i,w) = placeSpotID' ps pt (_gwWorld gw)
 -- the Int here is some id that is assigned when the placement is placed
 placeSpotID' :: PlacementSpot -> PSType -> World -> (Int, World)
 placeSpotID' ps pt w = case pt of
-    PutTrigger  cnd         -> plNewID   triggers cnd w
+    PutTrigger  cnd         -> plNewID   (cWorld . triggers) cnd w
-    PutMod      mdi         -> plNewUpID modifications mdID mdi w
+    PutMod      mdi         -> plNewUpID (cWorld . modifications) mdID mdi w
-    PutProp     prp         -> plNewUpID props prID (mvProp p rot prp) w
+    PutProp     prp         -> plNewUpID (cWorld . props) prID (mvProp p rot prp) w
-    PutButton   bt          -> plNewUpID buttons btID (mvButton p rot bt) w
+    PutButton   bt          -> plNewUpID (cWorld . buttons) btID (mvButton p rot bt) w
-    PutTerminal tm          -> plNewUpID terminals tmID tm w
+    PutTerminal tm          -> plNewUpID (cWorld . terminals) tmID tm w
-    PutFlIt     itm         -> plNewUpID floorItems flItID (createFlIt p rot itm) w
+    PutFlIt     itm         -> plNewUpID (cWorld . floorItems) flItID (createFlIt p rot itm) w
-    PutCrit     cr          -> plNewUpID creatures crID (mvCr p rot cr) w
+    PutCrit     cr          -> plNewUpID (cWorld . creatures) crID (mvCr p rot cr) w
-    PutForeground fs        -> plNewUpID foregroundShapes fsID (mvFS p rot fs) w
+    PutForeground fs        -> plNewUpID (cWorld . foregroundShapes) fsID (mvFS p rot fs) w
-    PutDecoration pic       -> plNewID decorations (shiftDec p rot pic) w
+    PutDecoration pic       -> plNewID   (cWorld . decorations) (shiftDec p rot pic) w
     PutMachine  pps mc wl   -> plMachine (map doShift pps) mc wl p rot w
-    PutLS       ls          -> plNewUpID lightSources lsID (mvLS p' rot ls) w
+    PutLS       ls          -> plNewUpID (cWorld . lightSources) lsID (mvLS p' rot ls) w
-    PutPPlate   pp          -> plNewUpID pressPlates ppID (mvPP p rot pp) w
+    PutPPlate   pp          -> plNewUpID (cWorld . pressPlates) ppID (mvPP p rot pp) w
     RandPS      rgn         -> evaluateRandPS rgn ps w
     PutDoor     col eo f   pss -> plDoor col eo f (map (bimap doShift doShift) pss) w
-    PutCoord    cp          -> plNewID   coordinates (doShift cp) w
+    PutCoord    cp          -> plNewID   (cWorld . coordinates) (doShift cp) w
     PutSlideDr  wl dr eo off  a   b 
                             -> plSlideDoor wl dr eo off (doShift a) (doShift b) w
     PutBlock    bl wl  ps'  -> plBlock (map doShift ps') (bl & blPos %~ doShift & blDir .~ rot)
@@ -148,7 +148,7 @@ placeWallPoly qs wl w = foldl' (addPane wl) w pairs
 
 addPane :: Wall -> World -> (Point2,Point2) -> World
 --addPane wl w l = w & walls %~ IM.insert wlid (wl { _wlLine = l, _wlID = wlid })
-addPane wl w l = w & plNew walls wlID (wl & wlLine .~ l)
+addPane wl w l = w & plNew (cWorld . walls) wlID (wl & wlLine .~ l)
     & fst . uncurry (obstructPathsCrossing WallObstacle) l
 --  where
 --    wlid = IM.newKey (_walls w)
@@ -174,14 +174,14 @@ mvFS p a = (fsDir +~ a) . (fsPos %~ ( (p +.+) . rotateV a ))
 
 plMachine :: [Point2] -> Machine -> Wall -> Point2 -> Float -> World -> (Int,World)
 plMachine wallpoly mc wl p rot gw = (mcid
-    , gw & machines  %~ addMc
+    , gw & cWorld . machines  %~ addMc
-         & walls     %~ placeMachineWalls wl col wallpoly mcid wlid
+         & cWorld . walls     %~ placeMachineWalls wl col wallpoly mcid wlid
     )
   where 
     col = _mcColor mc
     w' = gw
-    mcid = IM.newKey $ _machines w'
+    mcid = IM.newKey $ _machines (_cWorld w')
-    wlid = IM.newKey $ _walls w'
+    wlid = IM.newKey $ _walls (_cWorld w')
     wlids = IS.fromList [wlid .. wlid + length wallpoly - 1]
     --addMc = IM.insert mcid (mc {_mcPos = centroid wallpoly,_mcDir = rot,_mcID = mcid, _mcWallIDs = wlids})
     addMc = IM.insert mcid (mc {_mcPos = p,_mcDir = rot,_mcID = mcid, _mcWallIDs = wlids})

src/Dodge/Placement/PlaceSpot/Block.hs

@@ -23,7 +23,7 @@ plBlock
     -> (Int,World)
 plBlock [] _ _ _ = error "Trying to add a block with incomplete polygon"
 plBlock (p:ps) bl wl w = (,) blid $ w
-    & blocks . at blid ?~ bl 
+    & cWorld . blocks . at blid ?~ bl 
         { _blID = blid
         , _blWallIDs = IS.fromList is
         , _blShadows = []
@@ -31,9 +31,9 @@ plBlock (p:ps) bl wl w = (,) blid $ w
         }
     & insertWalls blid wls
   where 
-    blid = IM.newKey $ _blocks w
+    blid = IM.newKey $ _blocks (_cWorld w)
     lns = zip (p:ps) (ps ++ [p])
-    i = IM.newKey $ _walls w
+    i = IM.newKey $ _walls (_cWorld w)
     is = [i.. i + length lns-1]
     wls = zipWith 
         (\j ln -> wl & wlLine .~ ln & wlID .~ j & wlStructure .~ BlockPart blid) 
@@ -62,11 +62,11 @@ plLineBlock basePane blwidth a b gw = ( 0
     cornerPoints = reverse $ rectWH halfBlockWidth depth -- goes clockwise around the block
     cornersAt p = fmap ( (p +.+) . rotateV (argV (b -.- a)) ) cornerPoints
     linesAt p = loopPairs $ cornersAt p
-    wlid = IM.newKey $ _walls gw
+    wlid = IM.newKey $ _walls (_cWorld gw)
-    blid = IM.newKey $ _blocks gw
+    blid = IM.newKey $ _blocks (_cWorld gw)
     insertBlock (i,p) = 
         insertWalls (i + blid) (makeWallAt p i)
-        . over blocks (IM.insert (i+blid) Block 
+        . over (cWorld . blocks) (IM.insert (i+blid) Block 
         { _blID = i + blid, _blWallIDs = IS.fromList $ ksAtI i
         , _blHP = 1000, _blShadows = shadowsAt i
         , _blDir = 0    -- THIS IS NOT SENSIBLE. TODO rethink block positioning
@@ -96,10 +96,10 @@ plLineBlock basePane blwidth a b gw = ( 0
 
 -- | Must be done after inserting the block
 insertWalls :: Int -> [Wall] -> World -> World
-insertWalls blid wls w = w' & blocks . ix blid . blObstructs .~ concat paths
+insertWalls blid wls w = w' & cWorld . blocks . ix blid . blObstructs .~ concat paths
   where
     (w',paths) = mapAccumR (flip insertWall) w wls
 
 insertWall :: Wall -> World -> (World,[(Int,Int,PathEdge)])
 insertWall wl = uncurry (obstructPathsCrossing BlockObstacle) (_wlLine wl)
-    . (walls . at (_wlID wl) ?~ wl)
+    . (cWorld . walls . at (_wlID wl) ?~ wl)

src/Dodge/Placement/PlaceSpot/TriggerDoor.hs

@@ -27,9 +27,9 @@ plDoor :: Color
                     -- Bumped out up and down by 9, not widened
     -> World
     -> (Int,World)
-plDoor col eo cond pss gw = (drid, addWalls $ gw & doors %~ addDoor) -- carefull with the ordering of addWalls
+plDoor col eo cond pss gw = (drid, addWalls $ gw & cWorld . doors %~ addDoor) -- carefull with the ordering of addWalls
   where
-    drid = IM.newKey $ _doors gw
+    drid = IM.newKey $ _doors (_cWorld gw)
     addDoor = IM.insert drid $ defaultDoor
         { _drID = drid
         , _drWallIDs = IS.fromList wlids
@@ -42,18 +42,18 @@ plDoor col eo cond pss gw = (drid, addWalls $ gw & doors %~ addDoor) -- carefull
         , _drObstacleType = eo
         }
     nsteps = length pss - 1
-    wlids = take 4 [IM.newKey $ _walls gw ..]
+    wlids = take 4 [IM.newKey $ _walls (_cWorld gw) ..]
     wlps' = uncurry (rectanglePairs 9) $ head pss
     addWalls w' = foldl' (addDoorWall eo drid $ switchWallCol col) w' $ zip wlids wlps'
 
 addDoorWall :: EdgeObstacle -> Int -> Wall -> World -> (Int,(Point2,Point2)) -> World
 addDoorWall eo drid wl w (wlid,wlps) = w' 
-    & walls %~ IM.insert wlid wl
+    & cWorld . walls %~ IM.insert wlid wl
         { _wlLine = wlps
         , _wlID = wlid
         , _wlStructure = DoorPart drid
         }
-    & doors . ix drid . drObstructs .++~ es
+    & cWorld . doors . ix drid . drObstructs .++~ es
   where
     (w',es) = uncurry (obstructPathsCrossing eo) wlps w
 
@@ -63,9 +63,9 @@ maybeClearDoorPaths eo es w = foldl' (maybeClearDoorPath eo) w es
 maybeClearDoorPath :: EdgeObstacle -> World -> (Int,Int,PathEdge) -> World
 maybeClearDoorPath eo w (x,y,pe)
     | not . null $ overlapSegWalls (_peStart pe) (_peEnd pe) $ wlsNearSeg (_peStart pe) (_peEnd pe) w 
-        = w & pathGraph %~ FGL.insEdge (x,y,pe & peObstacles . at eo ?~ ()) . FGL.delEdge (x,y)
+        = w & cWorld . pathGraph %~ FGL.insEdge (x,y,pe & peObstacles . at eo ?~ ()) . FGL.delEdge (x,y)
     | otherwise 
-        = w & pathGraph %~ FGL.insEdge (x,y,pe & peObstacles . at eo .~ Nothing) . FGL.delEdge (x,y) 
+        = w & cWorld . pathGraph %~ FGL.insEdge (x,y,pe & peObstacles . at eo .~ Nothing) . FGL.delEdge (x,y) 
 
 plSlideDoor 
     :: Door 
@@ -77,9 +77,9 @@ plSlideDoor
     -> World
     -> (Int, World)
 plSlideDoor dr wl eo shiftOffset a b gw 
-    = (drid, addDoorWalls $ gw & doors %~ addDoor)
+    = (drid, addDoorWalls $ gw & cWorld . doors %~ addDoor)
   where
-    drid = IM.newKey $ _doors gw
+    drid = IM.newKey $ _doors (_cWorld gw)
     addDoor = IM.insert drid $ dr
         { _drID = drid
         , _drWallIDs = IS.fromList wlids
@@ -93,7 +93,7 @@ plSlideDoor dr wl eo shiftOffset a b gw
     addDoorWalls w' = foldl' (addDoorWall eo drid wl) w' $ zip wlids pairs
     pairs = rectanglePairs 9 a b
     shiftLeft  = (+.+ (a -.- b +.+ shiftOffset *.* normalizeV (b -.- a)))
-    wlids = take 4 [IM.newKey $ _walls gw ..]
+    wlids = take 4 [IM.newKey $ _walls (_cWorld gw) ..]
 -- old code that may help with pathing
 --import Dodge.LevelGen.Pathing
 --import Data.Graph.Inductive hiding ((&))

src/Dodge/Projectile/Create.hs

@@ -22,7 +22,7 @@ fireShell it cr = makeShell it cr
     spinamount = _shellSpinAmount params
     thrustdelay = _shellThrustDelay params
 makeShell :: Item -> Creature -> [ProjectileUpdate] -> World -> World
-makeShell it cr theupdate w = w & projectiles %~ IM.insert i Shell 
+makeShell it cr theupdate w = w & cWorld . projectiles %~ IM.insert i Shell 
     { _prjPos = pos
     , _prjZ   = 20
     , _prjStartPos = pos
@@ -38,7 +38,7 @@ makeShell it cr theupdate w = w & projectiles %~ IM.insert i Shell
     , _prjMITID = _itID it
     }
   where
-    i = IM.newKey $ _props w
+    i = IM.newKey $ _props (_cWorld w)
     dir = _crDir cr
     pos = _crPos cr +.+ rotateV dir (V2 (_crRad cr + 1) 0)
     am = _itConsumption it

src/Dodge/Projectile/Update.hs

@@ -46,7 +46,7 @@ updateRemoteShell pj w
     doExplode = w
         & usePayload (_prjPayload pj) oldPos 
         & stopSoundFrom (ShellSound i)
-        & projectiles %~ IM.delete i
+        & cWorld . projectiles %~ IM.delete i
     i = _prjID pj
     oldPos   = _prjPos pj
     vel      = _prjVel pj
@@ -58,15 +58,15 @@ explodeRemoteRocket'
     -> World 
     -> World
 explodeRemoteRocket' mitid thepj w = w
-    & projectiles . ix pjid . prjDraw   .~ DrawBlankProjectile
+    & cWorld . projectiles . ix pjid . prjDraw   .~ DrawBlankProjectile
     & usePayload (_prjPayload thepj) (_prjPos thepj)
     & updateitem
   where 
-    updateitem = fromMaybe (projectiles . at pjid .~ Nothing) $ do
+    updateitem = fromMaybe (cWorld . projectiles . at pjid .~ Nothing) $ do
         itid <- mitid
-        itpos <- w ^? itemPositions . ix itid
+        itpos <- w ^? cWorld . itemPositions . ix itid
         return $ (pointToItem itpos . itUse . rUse     .~ HeldDoNothing)
-            . (projectiles . ix pjid . prjUpdates .~ [PJRetireRemote itid 30 pjid])
+            . (cWorld . projectiles . ix pjid . prjUpdates .~ [PJRetireRemote itid 30 pjid])
     pjid = _prjID thepj
 
 updateShell :: Proj -> World -> World
@@ -82,7 +82,7 @@ updateShell pj w
     doExplode = w
         & usePayload (_prjPayload pj) oldPos 
         & stopSoundFrom (ShellSound i)
-        & projectiles %~ IM.delete i
+        & cWorld . projectiles %~ IM.delete i
     i = _prjID pj
     oldPos   = _prjPos pj
     vel      = _prjVel pj
@@ -108,7 +108,7 @@ upProjectile pu pj = case pu of
         | otherwise -> id
     PJSetScope itid -> setRemoteScope itid (_prjPos pj)
     PJRetireRemote itid 0 pjid -> retireRemoteProj'' itid pjid
-    PJRetireRemote _ _ pjid -> projectiles . ix pjid . prjUpdates . ix 0 . pjuTimer -~ 1
+    PJRetireRemote _ _ pjid -> cWorld . projectiles . ix pjid . prjUpdates . ix 0 . pjuTimer -~ 1
   where
     time = _prjTimer pj
     act st et = time <= st && time >= et
@@ -116,26 +116,26 @@ upProjectile pu pj = case pu of
 
 retireRemoteProj'' :: Int -> Int -> World -> World
 retireRemoteProj'' itid pjid w = w
-    & pointToItem (_itemPositions w IM.! itid) %~ 
+    & pointToItem (_itemPositions (_cWorld w) IM.! itid) %~ 
         ( (itScope . scopePos .~ V2 0 0)
         . (itUse . rUse .~ HeldFireRemoteShell)
         )
-    & props %~ IM.delete pjid
+    & cWorld . props %~ IM.delete pjid
 
 setRemoteDir :: Int -> Int -> Proj -> World -> World
-setRemoteDir cid itid pj w = w & projectiles . ix i . prjDir .~ newdir
+setRemoteDir cid itid pj w = w & cWorld . projectiles . ix i . prjDir .~ newdir
   where
     i       = _prjID pj
     newdir 
-        | SDL.ButtonRight `M.member` _mouseButtons w
+        | SDL.ButtonRight `M.member` _mouseButtons (_cWorld w)
-            && w ^? creatures . ix cid . crInvSel . iselPos == w ^? itemPositions . ix itid . ipInvID
+            && w ^? cWorld . creatures . ix cid . crInvSel . iselPos == w ^? cWorld . itemPositions . ix itid . ipInvID
-                  = _cameraRot w + argV (_mousePos w)
+                  = _cameraRot (_cWorld w) + argV (_mousePos (_cWorld w))
         | otherwise = _prjDir pj
 
 doThrust' :: Proj -> World -> World
 doThrust' pj w = w
     & randGen .~ g
-    & projectiles . ix i . prjVel    %~ (\v -> accel +.+ frict *.* v)
+    & cWorld . projectiles . ix i . prjVel    %~ (\v -> accel +.+ frict *.* v)
     & soundContinue (ShellSound i) newPos missileLaunchS (Just 1)
     & makeFlamelet (oldPos -.- vel) 0 (vel +.+ rotateV (pi+sparkD) accel) 3 10
     & shellTrailCloud (addZ 20 (oldPos +.+ r1 +.+ 30 *.* normalizeV (oldPos -.- newPos)))
@@ -155,11 +155,11 @@ trySpinByCID'
     -> Proj
     -> World 
     -> World
-trySpinByCID' cid i pj w = w & projectiles . ix pjid . prjSpin .~ newSpin
+trySpinByCID' cid i pj w = w & cWorld . projectiles . ix pjid . prjSpin .~ newSpin
   where
     pjid = _prjID pj
     dir      = argV $ _prjVel pj
-    newSpin   = case w ^? creatures . ix cid of
+    newSpin   = case w ^? cWorld . creatures . ix cid of
         Just cr -> negate $ min 0.2 $ max (-0.2) $ normalizeAnglePi (dir - _crDir cr) / spinFactor
         _ -> 0
     spinFactor = 5 * (6 - fromIntegral i)
@@ -169,9 +169,9 @@ pjTrack' itid pj w = rotateToTarget pj w
   where
     rotateToTarget _ = fromMaybe id $ do
         tpos <- w ^? itPoint . itTargeting . tgPos . _Just
-        return $ projectiles . ix (_prjID pj) . prjSpin .~ turnToAmount 0.15 (_prjPos pj) tpos 
+        return $ cWorld . projectiles . ix (_prjID pj) . prjSpin .~ turnToAmount 0.15 (_prjPos pj) tpos 
             (argV $ _prjAcc pj)
-    itPoint = pointToItem $ _itemPositions w IM.! itid
+    itPoint = pointToItem $ _itemPositions (_cWorld w) IM.! itid
 
 reduceSpinBy' :: Float -> Proj -> World -> World
-reduceSpinBy' x pj = projectiles . ix (_prjID pj) .  prjSpin *~ x
+reduceSpinBy' x pj = cWorld . projectiles . ix (_prjID pj) .  prjSpin *~ x

src/Dodge/Prop/Gib.hs

@@ -68,7 +68,7 @@ addGibsAtDir dir minh maxh col p w = foldl' (flip $ addGib4 p col) w (zip4 vels
   
 addGib4 :: Point2 -> Color -> (Point2, Float, Q.Quaternion Float, Float)
     -> World -> World
-addGib4 p col (v,zs,q,h) = plNew props prID (aGib & prPos .~ p +.+ (5 *.* normalizeV v)
+addGib4 p col (v,zs,q,h) = plNew (cWorld . props) prID (aGib & prPos .~ p +.+ (5 *.* normalizeV v)
     & prColor .~ col
     & prVel .~ v
     & prQuatSpin .~ Q.axisAngle (vNormal v `v2z` 0) (-0.1)
@@ -79,7 +79,7 @@ addGib4 p col (v,zs,q,h) = plNew props prID (aGib & prPos .~ p +.+ (5 *.* normal
 
 addGibAt :: Float -> Color -> Point2 -> World -> World
 addGibAt h col p w = w
-    & plNew props prID gib
+    & plNew (cWorld . props) prID gib
     & randGen .~ newg
   where
     (gib,newg) = runState f $ _randGen w
@@ -100,7 +100,7 @@ addGibAt h col p w = w
 
 addGibAtDir :: Float -> Float -> Color -> Point2 -> World -> World
 addGibAtDir dir h col p w = w
-    & plNew props prID gib
+    & plNew (cWorld . props) prID gib
     & randGen .~ newg
   where
     (gib,newg) = runState f $ _randGen w

src/Dodge/Prop/Moving.hs

@@ -9,12 +9,12 @@ import LensHelp
 fallSmallBounceDamage :: Prop -> World -> World
 fallSmallBounceDamage pr w = w 
     & dodamage
-    & props . ix (_prID pr) %~ fallSmallBounce' w
+    & cWorld . props . ix (_prID pr) %~ fallSmallBounce' w
   where
     p = _prPos pr
     v = _prVel pr
     dodamage
-        | _prPosZ pr < 25 = creatures %~ fmap dodamage'
+        | _prPosZ pr < 25 = cWorld . creatures %~ fmap dodamage'
         | otherwise = id
     dodamage' cr
         | dist (_crPos cr) p < _crRad cr + 5 = cr & crState . csDamage 
@@ -23,7 +23,7 @@ fallSmallBounceDamage pr w = w
 
 fallSmallBounce :: Prop -> World -> World
 fallSmallBounce pr w = w 
-    & props . ix (_prID pr) %~ fallSmallBounce' w
+    & cWorld . props . ix (_prID pr) %~ fallSmallBounce' w
 
 fallSmallBounce' :: World -> Prop -> Prop
 fallSmallBounce' w pr

src/Dodge/Prop/Update.hs

@@ -17,7 +17,7 @@ updateProp pr = case _prUpdate pr of
     PropRotate x -> rotateProp x pr
     PropSetToggleAnd wb pu -> propSetToggleAnd wb pu pr
     PropUpdates pus -> doPropUpdates pr pus
-    PropUpdateLS lsid x -> \w -> w & lightSources . ix lsid %~ doPrWdLsLs x pr w
+    PropUpdateLS lsid x -> \w -> w & cWorld . lightSources . ix lsid %~ doPrWdLsLs x pr w
     PropUpdatePosition x -> propUpdatePosition x pr
     PropUpdateWhen t x -> propUpdateIf t x PropUpdateId pr
     PropUpdateAnd x y -> doPropUpdates pr [x,y]
@@ -32,8 +32,8 @@ propUpdateIf wb x y pr w
 
 propUpdatePosition :: WdP2f -> Prop -> World -> World
 propUpdatePosition x pr w = w
-    & props . ix (_prID pr) . prPos .~ fst (doWdP2f x w)
+    & cWorld . props . ix (_prID pr) . prPos .~ fst (doWdP2f x w)
-    & props . ix (_prID pr) . prRot .~ snd (doWdP2f x w)
+    & cWorld . props . ix (_prID pr) . prRot .~ snd (doWdP2f x w)
 
 doPropUpdates :: Prop -> [PropUpdate] -> World -> World
 doPropUpdates pr pus w = foldl' f w pus
@@ -45,9 +45,9 @@ propSetToggleAnd wb pu pr = setToggle (doWdBl wb) pr . updateProp (pr & prUpdate
     -- fugly
 
 setToggle :: (World -> Bool) -> Prop -> World -> World
-setToggle cond pr w = w & props . ix (_prID pr) . prToggle .~ cond w
+setToggle cond pr w = w & cWorld . props . ix (_prID pr) . prToggle .~ cond w
 
 rotateProp :: Float -> Prop -> World -> World
 rotateProp rotAmount pr w = w
-    & props . ix (_prID pr) . prRot +~ rotAmount
+    & cWorld . props . ix (_prID pr) . prRot +~ rotAmount
 

src/Dodge/RadarSweep.hs

@@ -9,7 +9,7 @@ import Data.Maybe
 import qualified IntMapHelp as IM
 
 aRadarPulse :: Object -> Creature -> World -> World
-aRadarPulse ob cr = radarSweeps .:~ RadarSweep
+aRadarPulse ob cr = cWorld . radarSweeps .:~ RadarSweep
     { _rsTimer  = 100
     , _rsRad    = 0
     , _rsPos    = _crPos cr
@@ -29,7 +29,7 @@ updateRadarSweep w pt
     blipsF = findBlips ob
     bf = makeBlip ob
     x = _rsTimer pt
-    putBlips = radarBlips .++~ blips
+    putBlips = cWorld . radarBlips .++~ blips
     blips = map bf circPoints
     circPoints = blipsF p r w
     r = fromIntegral (400 - x*4)
@@ -58,13 +58,13 @@ blipAt r col i p = RadarBlip
     }
 
 crBlips :: Point2 -> Float -> World -> [Point2]
-crBlips p r = IM.elems . IM.filter f . fmap _crPos .  IM.filter g . _creatures
+crBlips p r = IM.elems . IM.filter f . fmap _crPos .  IM.filter g . _creatures . _cWorld
   where
     f q = dist p q <= r && dist p q > r - 100
     g cr = _crID cr /= 0
 
 itemBlips :: Point2 -> Float -> World -> [Point2]
-itemBlips p r = IM.elems . IM.filter f . fmap _flItPos . _floorItems
+itemBlips p r = IM.elems . IM.filter f . fmap _flItPos . _floorItems . _cWorld
   where
     f q = dist p q <= r && dist p q > r - 4
 

src/Dodge/Reloading.hs

@@ -37,12 +37,12 @@ tryNextLoadAction cr = case cr ^? crInv . ix (crSel cr) . itConsumption . laProg
 
 crToggleReloading :: Creature -> World -> World
 crToggleReloading cr w = case cr ^?! crInvSel . iselAction of
-    ReloadAction {} -> w & creatures . ix (_crID cr) . crInvSel . iselAction .~ NoInvSelAction
+    ReloadAction {} -> w & cWorld . creatures . ix (_crID cr) . crInvSel . iselAction .~ NoInvSelAction
-    _ -> w & creatures . ix (_crID cr) %~ tryStartLoading
+    _ -> w & cWorld . creatures . ix (_crID cr) %~ tryStartLoading
 
 crHoldReloading :: Creature -> World -> World
 crHoldReloading cr w = w 
-    & creatures . ix (_crID cr) . crInvSel . iselAction . actionHammer .~ HasHammer HammerDown
+    & cWorld . creatures . ix (_crID cr) . crInvSel . iselAction . actionHammer .~ HasHammer HammerDown
 
 tryStartLoading :: Creature -> Creature
 tryStartLoading cr = case ic ^? laProgress . _Just . ix 0 of

src/Dodge/Render.hs

@@ -34,14 +34,14 @@ doDrawing pdata u = do
     sTicks <- SDL.ticks
     let w       = _uvWorld u
         cfig    = _uvConfig u
-        rot     = _cameraRot w
+        rot     = _cameraRot (_cWorld w)
-        camzoom = _cameraZoom w
+        camzoom = _cameraZoom (_cWorld w)
-        trans   = _cameraCenter w
+        trans   = _cameraCenter (_cWorld w)
         wins@(V2 winx winy) = V2 (_windowX cfig) (_windowY cfig)
         resFact             = resFactorNum $ cfig ^. graphics_resolution_factor
         (wallPointsCol,windowPoints,wallSPics) = wallsToDraw w
         lightPoints             = lightsToRender cfig w
-        viewFroms@(V2 vfx vfy)  = _cameraViewFrom w
+        viewFroms@(V2 vfx vfy)  = _cameraViewFrom (_cWorld w)
         viewFrom3d              = Vector3 vfx vfy 20
         shadV   = _pictureShaders pdata
         lwShad  = _lightingWallShadShader pdata
@@ -64,7 +64,7 @@ doDrawing pdata u = do
                 (shadVBOptr $ _textureArrayShader pdata)
                 wallPointsCol
                 windowPoints
-                (_floorTiles w)
+                (_floorTiles (_cWorld w))
             )
             ( pokeShape'
                 (_vboPtr $ _vaoVBO $ _shadVAO $ _shapeShader pdata)
@@ -248,7 +248,7 @@ doDrawing pdata u = do
     depthFunc $= Just Always
     blendFunc $= (One,Zero)
     -- perform any radial distortion
-    case _distortions w of
+    case _distortions (_cWorld w) of
         [] -> do
             bindTO $ fst $ snd $ _fboBase pdata
             bindFramebuffer Framebuffer $= defaultFramebufferObject

src/Dodge/Render/HUD.hs

@@ -34,7 +34,7 @@ import qualified Data.Text as T
 --import Data.Bifunctor
 
 hudDrawings :: Universe -> Picture
-hudDrawings uv = case _hudElement $ _hud w of
+hudDrawings uv = case _hudElement $ _hud (_cWorld w) of
     DisplayCarte -> drawCarte cfig w
     DisplayInventory subinv -> drawInGameHUD uv
         <> subInventoryDisplay subinv cfig w
@@ -59,7 +59,7 @@ inventoryDisplay cfig w = listPicturesAt 0 0 cfig invlist
     inv = _crInv cr
     invlist = concatMap (itemText' cr) (IM.toList inv)
         ++ displayFreeSlots
-        ++ concatMap (closeObjectToTextPictures nfreeslots) (_closeObjects w)
+        ++ concatMap (closeObjectToTextPictures nfreeslots) (_closeObjects (_cWorld w))
 --        ++ map floorItemsColor (concatMap (closeObjectToTextPictures nfreeslots) (_closeObjects w))
 --    floorItemsColor = case _hudElement (_hud w) of
 --        DisplayInventory NoSubInventory -> id
@@ -131,7 +131,7 @@ subInventoryDisplay subinv cfig w = case subinv of
     selcursor' ct = fromMaybe mempty $ ct 0 0 cfig curpos itcol (determineInvSelCursorWidth w) cury <$ it
     selcursor = selcursor' selcursortype
     selcursortype
-        | ButtonRight `M.member` _mouseButtons w = listCursorNESW
+        | ButtonRight `M.member` _mouseButtons (_cWorld w) = listCursorNESW
         | otherwise = listCursorNSW
     curpos = invSelPos w
     cury   = fromMaybe 1 $ augmentedInvSizes w IM.!? crSel (you w)
@@ -140,8 +140,8 @@ subInventoryDisplay subinv cfig w = case subinv of
         _ -> mempty
     equipcursors = IM.foldMapWithKey (f yellow) (_crInvEquipped cr)
     f col invid epos = listTextPictureAt 144 0 cfig (selNumPos invid w) . color col $ text $ eqPosText epos
-    rboptions = if ButtonRight `M.member` _mouseButtons w
+    rboptions = if ButtonRight `M.member` _mouseButtons (_cWorld w)
-        then drawRBOptions cfig w (_rbOptions w)
+        then drawRBOptions cfig w (_rbOptions (_cWorld w))
         else mempty
 
 itmInfo :: Maybe Item -> [String]
@@ -151,7 +151,7 @@ itmInfo mit = fromMaybe [] $ do
 
 displayTerminal :: Int -> Configuration -> World -> Picture
 displayTerminal tid cfig w = fromMaybe mempty $ do
-    tm <- w ^? terminals . ix tid
+    tm <- w ^? cWorld . terminals . ix tid
     return $ pictures
         [ invHead cfig (_tmTitle tm ++ ":T" ++ show tid)
         , renderListAt subInvX 60 cfig 
@@ -187,7 +187,7 @@ drawRBOptions cfig w EquipOptions{_opEquip = es,_opSel=i, _opAllocateEquipment=a
   where
     midtext str = listTextPictureAt 252 0 cfig curpos (text str)
     extratext str = listTextPictureAt 432 0 cfig curpos (text (str ++ deactivatetext))
-    deactivatetext = case w ^? rbOptions . opActivateEquipment . deactivateEquipment of
+    deactivatetext = case w ^? cWorld . rbOptions . opActivateEquipment . deactivateEquipment of
         Just k -> " DEACTIVATES " ++ show (_iyBase $ _itType (_crInv (you w) IM.! k))
         Nothing -> ""
     curpos = invSelPos w
@@ -255,9 +255,9 @@ topCursorTypeWidth ctype width cfig w i
     = ctype 0 0 cfig (selNumPos i w) (selNumCol i w) width (selNumSlots i w)
 
 determineInvSelCursorWidth :: World -> Int
-determineInvSelCursorWidth w = case _rbOptions w of
+determineInvSelCursorWidth w = case _rbOptions (_cWorld w) of
     NoRightButtonOptions -> topInvW
-    EquipOptions {} -> if ButtonRight `M.member` _mouseButtons w 
+    EquipOptions {} -> if ButtonRight `M.member` _mouseButtons (_cWorld w) 
         then 47
         else topInvW
 
@@ -309,9 +309,9 @@ drawCarte cfig w = pictures $
     ++ mapOverlay cfig w
     ++ [mainListCursor white iPos cfig]
   where
-    iPos = _selLocation w
+    iPos = _selLocation (_cWorld w)
-    locs = map (\(_,s) -> (s,white)) . IM.elems . _seenLocations $ w
+    locs = map (\(_,s) -> (s,white)) . IM.elems . _seenLocations $ (_cWorld w)
-    locPoss = map (cartePosToScreen cfig w . ($ w) . doWorldPos . fst) . IM.elems . _seenLocations $ w
+    locPoss = map (cartePosToScreen cfig w . ($ w) . doWorldPos . fst) . IM.elems . _seenLocations $ (_cWorld w)
     locTexts = map fst locs
 
 displayListEndCoords :: Configuration -> [String] -> [Point2]
@@ -325,7 +325,7 @@ displayListEndCoords cfig ss = map (doWindowScale cfig) $ zipWith h ss $ map f [
 
 mapOverlay :: Configuration -> World -> [Picture]
 mapOverlay cfig w = (color (withAlpha 0.5 black) . polygon $ reverse $ rectNSWE 1 (-1) 1 (-1)) : 
-            (mapMaybe (mapWall cfig w) . IM.elems $ _walls w)
+            (mapMaybe (mapWall cfig w) . IM.elems $ _walls (_cWorld w))
 
 mapWall :: Configuration -> World -> Wall -> Maybe Picture
 mapWall cfig w wl =
@@ -419,4 +419,4 @@ displayHP cid cfig w = translate (halfWidth cfig-80) (halfHeight cfig-20)
     . leftPad 5 ' ' 
     . show
     . _crHP 
-    $ _creatures w IM.! cid
+    $ _creatures (_cWorld w) IM.! cid

src/Dodge/Render/Lights.hs

@@ -9,13 +9,13 @@ import Data.Maybe
 import qualified IntMapHelp as IM
 
 lightsToRender :: Configuration -> World -> [(Point3,Float,Point3)]
-lightsToRender cfig w = mapMaybe getLS (IM.elems $ _lightSources w) 
+lightsToRender cfig w = mapMaybe getLS (IM.elems $ _lightSources (_cWorld w)) 
-    ++ mapMaybe getTLS (_tempLightSources w)
+    ++ mapMaybe getTLS (_tempLightSources (_cWorld w))
   where 
     getLS  = getlsparam . _lsParam
     getTLS = getlsparam . _tlsParam 
-    cbox = _boundBox w
+    cbox = _boundBox (_cWorld w)
-    cpos = _cameraCenter w
+    cpos = _cameraCenter (_cWorld w)
     getlsparam ls
         | not (pointInPolygon lpos cbox) && extraculltest = Nothing
         | otherwise = Just ( _lsPos ls,  rad^(2::Int) , _lsCol ls)

src/Dodge/Render/Picture.hs

@@ -23,6 +23,6 @@ fixedCoordPictures u = case _menuLayers u of
 
 customMouseCursor :: Configuration -> World -> Picture
 customMouseCursor cfig w = winScale cfig
-    . uncurryV translate (_mousePos w)
+    . uncurryV translate (_mousePos (_cWorld w))
     . color white
     $ pictures [ line [V2 (-5) 0,V2 5 0] , line [V2 0 (-5),V2 0 5] ]

src/Dodge/Render/ShapePicture.hs

@@ -78,7 +78,7 @@ worldSPic cfig w
     <> singleSPic (anyTargeting cfig w)
   where
     foldup = foldMap'
-    filtOn f g = IM.filter (pointIsClose . f) (g w)
+    filtOn f g = IM.filter (pointIsClose . f) (g (_cWorld w))
     pointIsClose = cullPoint cfig w
 
 anyTargeting :: Configuration -> World -> SPic
@@ -128,30 +128,30 @@ shiftDraw' fpos fdir fdraw x = uncurryV translateSPf (fpos x)
 
 cullPoint :: Configuration -> World -> Point2 -> Bool
 cullPoint cfig w p 
-    | debugOn Close_shape_culling cfig = pointInPolygon p (_boundBox w)
+    | debugOn Close_shape_culling cfig = pointInPolygon p (_boundBox (_cWorld w))
-    | otherwise = dist (_cameraCenter w) p < _viewDistance w
+    | otherwise = dist (_cameraCenter (_cWorld w)) p < _viewDistance (_cWorld w)
 
 extraPics :: Configuration -> World -> Picture
-extraPics cfig w = pictures (_decorations w)
+extraPics cfig w = pictures (_decorations (_cWorld w))
-    <> concatMapPic drawTractorBeam (_tractorBeams w)
+    <> concatMapPic drawTractorBeam (_tractorBeams (_cWorld w))
-    <> concatMapPic drawLinearShockwave (_linearShockwaves w)
+    <> concatMapPic drawLinearShockwave (_linearShockwaves (_cWorld w))
-    <> concatMapPic drawShockwave (_shockwaves w)
+    <> concatMapPic drawShockwave (_shockwaves (_cWorld w))
-    <> concatMapPic drawLaser (_lasersToDraw w)
+    <> concatMapPic drawLaser (_lasersToDraw (_cWorld w))
-    <> concatMapPic drawTeslaArc (_teslaArcs w)
+    <> concatMapPic drawTeslaArc (_teslaArcs (_cWorld w))
 --    <> concatMapPic drawParticle (_particles    w)
-    <> concatMapPic drawRadarSweep (_radarSweeps    w)
+    <> concatMapPic drawRadarSweep (_radarSweeps    (_cWorld w))
-    <> concatMapPic drawFlame (_flames    w)
+    <> concatMapPic drawFlame (_flames    (_cWorld w))
-    <> concatMapPic drawEnergyBall (_energyBalls    w)
+    <> concatMapPic drawEnergyBall (_energyBalls    (_cWorld w))
-    <> concatMapPic drawSpark (_sparks    w)
+    <> concatMapPic drawSpark (_sparks    (_cWorld w))
-    <> concatMapPic drawBul (_bullets w)
+    <> concatMapPic drawBul (_bullets (_cWorld w))
-    <> concatMapPic drawBlip (_radarBlips    w)
+    <> concatMapPic drawBlip (_radarBlips    (_cWorld w))
-    <> concatMapPic drawFlare (_flares    w)
+    <> concatMapPic drawFlare (_flares    (_cWorld w))
-    <> concatMapPic (dbArg (drawBeam . _bmDraw)) (_positronBeams $ _beams w)
+    <> concatMapPic (dbArg (drawBeam . _bmDraw)) (_positronBeams $ _beams (_cWorld w))
-    <> concatMapPic (dbArg (drawBeam . _bmDraw)) (_electronBeams $ _beams w)
+    <> concatMapPic (dbArg (drawBeam . _bmDraw)) (_electronBeams $ _beams (_cWorld w))
-    <> concatMapPic (dbArg (drawLightSource . _lsPict)) (_lightSources w)
+    <> concatMapPic (dbArg (drawLightSource . _lsPict)) (_lightSources (_cWorld w))
     <> testPic cfig w
-    <> concatMapPic clDraw (_clouds w      )
+    <> concatMapPic clDraw (_clouds (_cWorld w)      )
-    <> concatMapPic ppDraw (_pressPlates w )
+    <> concatMapPic ppDraw (_pressPlates (_cWorld w) )
     <> viewClipBounds cfig w
     <> debugDraw cfig w
 
@@ -196,7 +196,7 @@ debugDraw' cfig w bl = case bl of
     rdraw   pic = (mempty,pic)
 
 drawCreatureDisplayTexts :: World -> Picture
-drawCreatureDisplayTexts w = foldMap (creatureDisplayText w) (_creatures w)
+drawCreatureDisplayTexts w = foldMap (creatureDisplayText w) (_creatures (_cWorld w))
 
 drawPathBetween :: World -> Picture
 drawPathBetween w = setLayer DebugLayer
@@ -207,22 +207,22 @@ drawPathBetween w = setLayer DebugLayer
   where
     nodepos = (`getNodePos` w)
     nodelist = makePathBetween sp ep w
-    sp = _lSelect w
+    sp = _lSelect (_cWorld w)
-    ep = _rSelect w
+    ep = _rSelect (_cWorld w)
 
 drawNodesNearSelect :: World -> Picture
 drawNodesNearSelect w = setLayer DebugLayer 
     $  runIdentity (S.foldMap_ (drawZoneCol orange pnZoneSize) (zoneAroundPoint pnZoneSize sp))
     <> color green (drawCross sp)
   where
-    sp = _lSelect w
+    sp = _lSelect (_cWorld w)
 
 drawInspectWalls :: World -> Picture
 drawInspectWalls w = foldMap (drawInspectWall w) 
     $ filter (isJust . uncurry (intersectSegSeg a b) . _wlLine)
-    $ IM.elems $ _walls w
+    $ IM.elems $ _walls (_cWorld w)
   where
-    (a,b) = _lLine w
+    (a,b) = _lLine (_cWorld w)
 
 drawInspectWall :: World -> Wall -> Picture
 drawInspectWall w wl = setLayer DebugLayer
@@ -233,7 +233,7 @@ drawInspectWall w wl = setLayer DebugLayer
 
 drawDoorPaths :: World -> Int -> Picture
 drawDoorPaths w drid = fromMaybe mempty $ do
-    paths <- w ^? doors . ix drid . drObstructs
+    paths <- w ^? cWorld . doors . ix drid . drObstructs
     return $ foldMap (drawPathEdge . (^. _3)) paths
 
 drawPathEdge :: PathEdge -> Picture
@@ -252,8 +252,8 @@ drawWorldSelect w = setLayer DebugLayer
     $  color cyan (line [a,b])
     <> color magenta (line [c,d])
   where
-    (a,b) = _lLine w
+    (a,b) = _lLine (_cWorld w)
-    (c,d) = _rLine w
+    (c,d) = _rLine (_cWorld w)
 
 drawFarWallDetect :: World -> Picture
 drawFarWallDetect w = setLayer DebugLayer 
@@ -264,7 +264,7 @@ drawFarWallDetect w = setLayer DebugLayer
         ]   )
     $ runIdentity $ S.toList_ $ streamViewpoints p w
   where
-    p = _cameraViewFrom w
+    p = _cameraViewFrom (_cWorld w)
 
 drawDDATest :: World -> Picture
 drawDDATest w = runIdentity (S.foldMap_ (drawZoneCol orange 50) ps)
@@ -273,12 +273,12 @@ drawDDATest w = runIdentity (S.foldMap_ (drawZoneCol orange 50) ps)
     <> color blue (runIdentity (S.foldMap_ drawCross qs'))
     <> setLayer DebugLayer (color yellow (line [cvf,mwp]))
   where
-    cvf = _cameraViewFrom w
+    cvf = _cameraViewFrom (_cWorld w)
     mwp = mouseWorldPos w
     ps = ddaStreamX 50 cvf mwp
-    ps' = ddaStreamY 50 (_cameraViewFrom w) (mouseWorldPos w)
+    ps' = ddaStreamY 50 (_cameraViewFrom (_cWorld w)) (mouseWorldPos w)
-    qs = xIntercepts 50 (_cameraViewFrom w) (mouseWorldPos w)
+    qs  = xIntercepts 50 (_cameraViewFrom (_cWorld w)) (mouseWorldPos w)
-    qs' = yIntercepts 50 (_cameraViewFrom w) (mouseWorldPos w)
+    qs' = yIntercepts 50 (_cameraViewFrom (_cWorld w)) (mouseWorldPos w)
 
 drawCross :: Point2 -> Picture
 drawCross p = setLayer DebugLayer . color red . uncurryV translate p $ crossPic 5
@@ -299,7 +299,7 @@ drawWallSearchRays :: World -> Picture
 drawWallSearchRays w = foldMap (f . fst) $ allVisibleWalls w
   where
     f p = setLayer DebugLayer $ color yellow $ uncurryV translate p (circle 5)
-        <> line [_cameraViewFrom w, p]
+        <> line [_cameraViewFrom (_cWorld w), p]
 
 testPic :: Configuration -> World -> Picture
 testPic _ _ = mempty
@@ -307,7 +307,7 @@ testPic _ _ = mempty
 drawBoundingBox :: World -> Picture
 drawBoundingBox w = setLayer DebugLayer $ color green $ line $ (x:xs) ++ [x]
   where
-    (x:xs) = _boundBox w
+    (x:xs) = _boundBox (_cWorld w)
 
 clDraw :: Cloud -> Picture
 clDraw c = translate3 (_clPos c) (drawCloud (_clPict c) c)
@@ -329,7 +329,7 @@ soundPic cfig w s = fixedSizePicClampArrow 50 50 thePic p cfig w
   where
     p = _soundPos s
     thePic 
-        = rotate (_cameraRot w) 
+        = rotate (_cameraRot (_cWorld w)) 
         . scale theScale theScale 
         . centerText 
         . soundToOnomato 
@@ -348,7 +348,7 @@ drawMousePosition cfig w = setLayer FixedCoordLayer . winScale cfig
     mwp = mouseWorldPos w
 
 drawWlIDs :: Configuration -> World -> Picture
-drawWlIDs cfig w = setLayer FixedCoordLayer $ foldMap f (_walls w)
+drawWlIDs cfig w = setLayer FixedCoordLayer $ foldMap f (_walls (_cWorld w))
   where
     f wl 
         | dist (_crPos $ you w) (fst (_wlLine wl)) > 200 = mempty  -- this should be improved with a better "on screen test"
@@ -374,7 +374,7 @@ drawPathing cfig w = setLayer DebugLayer
     <> foldMap dispInc (graphToIncidence gr)
   where
     dispInc (p,n) = setDepth 2 . uncurryV translate p . scale 0.1 0.1 $ text $ show n
-    gr = _pathGraph w
+    gr = _pathGraph (_cWorld w)
 
 crDisplayInfo :: Configuration -> World -> Creature -> Maybe (Point2,[String])
 crDisplayInfo cfig w cr 
@@ -401,7 +401,7 @@ fpreShow str = fmap (((rightPad 7 '.'str ++ "...") ++) . show)
 drawCrInfo :: Configuration -> World -> Picture
 drawCrInfo cfig w = setLayer FixedCoordLayer 
         $ renderInfoListsAt (2*hw - 400) 0 cfig w
-        $ mapMaybe (crDisplayInfo cfig w) $ IM.elems $ _creatures w
+        $ mapMaybe (crDisplayInfo cfig w) $ IM.elems $ _creatures (_cWorld w)
   where
     hw = halfWidth cfig
 
@@ -410,14 +410,14 @@ viewBoundaries w = setLayer DebugLayer $ color green (foldMap (polygonWire . _gr
     <> color yellow (foldMap (\q -> line [p,q]) $ farWallPoints p w)
   where
     p = _crPos $ you w
-    grs = filter (pointInOrOnPolygon p . _grBound) (_gameRooms w)
+    grs = filter (pointInOrOnPolygon p . _grBound) (_gameRooms (_cWorld w))
 
 viewClipBounds :: Configuration -> World -> Picture
 viewClipBounds cfig w
     | _debug_view_clip_bounds cfig == AllRoomClipBoundaries
-         = setLayer DebugLayer $ color green $ foldMap (polygonWire . _cpPoints) (_roomClipping w)
+         = setLayer DebugLayer $ color green $ foldMap (polygonWire . _cpPoints) (_roomClipping (_cWorld w))
     | _debug_view_clip_bounds cfig == IntersectingRoomClipBoundaries
-        = setLayer DebugLayer $ f (_roomClipping w)
+        = setLayer DebugLayer $ f (_roomClipping (_cWorld w))
     | otherwise = mempty
   where
     f (x:xs) = g x xs <> f xs

src/Dodge/Render/Walls.hs

@@ -23,7 +23,7 @@ wallsToDraw w
         <$> L.prefilter wlOpaqueDraw (L.premap f L.list)
         <*> L.prefilter wlSeeThroughDraw (L.premap f L.list)
         <*> L.premap getWallSPic L.mconcat
-        ) (wlsFromIXs w $ zonesExtract (w ^. wlZoning) $ zoneOfSight' wlZoneSize w)
+        ) (wlsFromIXs w $ zonesExtract (w ^. cWorld . wlZoning) $ zoneOfSight' wlZoneSize w)
 --wallsToDraw
 --    :: World
 --    -> ( [((Point2,Point2),Point4)]  ,[((Point2,Point2),Point4)], SPic )

src/Dodge/Room/LongDoor.hs

@@ -105,7 +105,7 @@ addButtonSlowDoor x h rm = do
                 (V3 15 xoff 89) (aShape (V2 15 0) (V3 15 xoff 90)) 
         $ \plls plpr -> Just $ ptCont (PutWorldUpdate (const $ setmount dr plls plpr))
         $ const mpl
-    setmount pldr plls plpr = doors . ix (fromJust $ _plMID pldr) . drMounts .++~
+    setmount pldr plls plpr = cWorld . doors . ix (fromJust $ _plMID pldr) . drMounts .++~
         [MountedLS (fromJust $ _plMID plls), MountedProp (fromJust $ _plMID plpr)]
     -- TODO make the height of this light source and of other mounted lights
     -- be taken from a single consistent source

src/Dodge/Save.hs

@@ -28,7 +28,7 @@ doQuicksave :: Universe -> Universe
 doQuicksave = saveWorldInSlot QuicksaveSlot
 
 clearKeys :: World -> World
-clearKeys = (keys .~ mempty) . (mouseButtons .~ mempty)
+clearKeys = (cWorld . keys .~ mempty) . (cWorld . mouseButtons .~ mempty)
 
 saveLevelStartSlot :: Universe -> Universe
 --saveLevelStartSlot = id

src/Dodge/Shockwave/Update.hs

@@ -28,7 +28,7 @@ moveShockwave w sw
     t    = _swTimer sw
     tFraction = fromIntegral t / fromIntegral (_swMaxTime sw)
     rad = r - (3/4) * r * tFraction
-    doDams w' = over creatures (IM.map damCr) 
+    doDams w' = over (cWorld . creatures) (IM.map damCr) 
         $ foldl'
             (flip $ damageWall (Damage EXPLOSIVE 10000 p p p NoDamageEffect))
             w'
@@ -56,7 +56,7 @@ moveInverseShockwave w sw
     r = _swRad sw
     t = _swTimer sw
     rad = r - 0.1 * r * fromIntegral (10 - t)
-    dams = over creatures (IM.map damCr) -- . flip (foldr (damageBlocksBy 1)) hitBlocks
+    dams = over (cWorld . creatures) (IM.map damCr) -- . flip (foldr (damageBlocksBy 1)) hitBlocks
 --    hitBlocks = wallsOnCirc' p rad $ wallsNearPoint' p w 
     damCr cr 
         | dist (_crPos cr) p >= rad + _crRad cr = cr

src/Dodge/SoundLogic.hs

@@ -146,9 +146,9 @@ soundAngle p w
       . radToDeg 
       . normalizeAngle 
       . (+ pi)
-      $ argV (vNormal (p -.- earPos)) - _cameraRot w
+      $ argV (vNormal (p -.- earPos)) - _cameraRot (_cWorld w)
   where
-    earPos = _cameraViewFrom w
+    earPos = _cameraViewFrom (_cWorld w)
 
 {-| Uses the first free origin from a list.
 Does nothing if all origins are already creating sounds.  -}