diff --git a/src/Dodge/Data/GenWorld.hs b/src/Dodge/Data/GenWorld.hs
index 89d46ef21..14dfac8aa 100644
--- a/src/Dodge/Data/GenWorld.hs
+++ b/src/Dodge/Data/GenWorld.hs
@@ -53,6 +53,7 @@ data PSType
         }
     | PutWall {_pwPoly :: [Point2], _pwWall :: Wall}
     | PutSlideDr Door Wall Float Point2 Point2
+    | PutDoor' Door Wall
     | PutDoor WdBl Float Point2A Point2A
     | RandPS (State StdGen PSType)
     | PutForeground ForegroundShape
@@ -80,6 +81,7 @@ instance ShortShow PSType where
     shortShow PutWall {} = "PutWall"
     shortShow PutSlideDr {} = "PutSlideDr"
     shortShow PutDoor {} = "PutDoor"
+    shortShow PutDoor' {} = "PutDoor'"
     shortShow RandPS {} = "RandPS"
     shortShow PutForeground {} = "PutForeground"
     shortShow PutWorldUpdate {} = "PutWorldUpdate"
diff --git a/src/Dodge/DrWdWd.hs b/src/Dodge/DrWdWd.hs
index 0d2caa273..85c8c98c8 100644
--- a/src/Dodge/DrWdWd.hs
+++ b/src/Dodge/DrWdWd.hs
@@ -1,5 +1,6 @@
 module Dodge.DrWdWd (updateDoor) where
 
+import Dodge.Door.DoorLerp
 import Dodge.LightSource
 import Data.Foldable
 import Dodge.Wall.Delete
@@ -49,9 +50,6 @@ doorLerp speed dr w = fromMaybe (mempty,w) $ do
             soundContinue (WallSound drid) (fst $ doDoorLerp dr x) slideDoorS (Just 1)
         | otherwise = id
 
-doDoorLerp :: Door -> Float -> Point2A
-doDoorLerp dr = lerpP2A (dr ^. drZeroPos) (dr ^. drOnePos)
-
 destroyDoor :: Door -> World -> (S.Set Int2, World)
 destroyDoor dr w =
     (is,w
diff --git a/src/Dodge/Placement/PlaceSpot.hs b/src/Dodge/Placement/PlaceSpot.hs
index f51fe5dfc..2a35d8850 100644
--- a/src/Dodge/Placement/PlaceSpot.hs
+++ b/src/Dodge/Placement/PlaceSpot.hs
@@ -135,9 +135,9 @@ placeSpotID rid ps pt w = case pt of
     PutLS ls -> plNewUpID (gwWorld . cWorld . lWorld . lightSources) lsID (mvLS p' rot ls) w
     RandPS _ -> error "RandPS should not be reachable here" --evaluateRandPS rid rgn ps w
     PutDoor f l p1 p2 -> plDoor f l (pashift p1) (pashift p2) w
+    PutDoor' dr wl -> plDoor' (dr & drZeroPos %~ pashift & drOnePos %~ pashift) wl w
+    PutSlideDr wl dr off a b -> plSlideDoor wl dr off (doShift a) (doShift b) w
     PutCoord cp -> plNewID (gwWorld . coordinates) (doShift cp) w
-    PutSlideDr wl dr off a b ->
-        plSlideDoor wl dr off (doShift a) (doShift b) w
     PutBlock bl wl ps' ->
         plBlock
             (map doShift ps')
diff --git a/src/Dodge/Placement/PlaceSpot/TriggerDoor.hs b/src/Dodge/Placement/PlaceSpot/TriggerDoor.hs
index 425fe96d6..76efce36f 100644
--- a/src/Dodge/Placement/PlaceSpot/TriggerDoor.hs
+++ b/src/Dodge/Placement/PlaceSpot/TriggerDoor.hs
@@ -1,8 +1,10 @@
 module Dodge.Placement.PlaceSpot.TriggerDoor (
+    plDoor',
     plDoor,
     plSlideDoor,
 ) where
 
+import Dodge.Door.DoorLerp
 import Dodge.Data.GenWorld
 import Dodge.Default.Door
 import Dodge.Default.Wall
@@ -14,11 +16,35 @@ import qualified IntMapHelp as IM
 import LensHelp
 import Linear
 
+plDoor' ::
+    Door ->
+    Wall ->
+    GenWorld ->
+    (Int, GenWorld)
+plDoor' dr wl gw = 
+    ( drid
+    , over gwWorld addWalls $ gw & gwWorld . cWorld . lWorld . doors . at drid ?~ newdr
+    -- carefull with the ordering of addWalls
+    )
+  where
+    isauto = case dr ^. drTrigger of
+        WdBlCrFilterNearPoint{} -> True
+        _ -> False
+    drid = IM.newKey $ gw ^. gwWorld . cWorld . lWorld . doors
+    wlid = IM.newKey $ gw ^. gwWorld . cWorld . lWorld . walls
+    pps = IM.elems $ dr ^. drFootPrint
+    newdr = dr & drID .~ drid & drFootPrint .~ IM.fromList (zip [wlid ..] pps)
+    lerposa = doDoorLerp dr (dr ^. drLerp)
+    addWalls =
+        insertStructureWalls
+            (`DoorPart` isauto)
+            wl
+            (map fst pps & each %~ shiftPointBy lerposa)
+            drid
+            wlid
+
 plDoor ::
-    -- | Opening condition
     WdBl ->
-    -- | Door positions, closed to open.
-    -- Bumped out up and down by 9, not widened
     Float ->
     Point2A ->
     Point2A ->
@@ -55,32 +81,6 @@ plDoor cond l p1 p2 gw =
             drid
             wlid
 
---addWalls w' = foldl' (addDoorWall eo drid $ switchWallCol col) w' $ zip wlids
---    foldl' (addDoorWall isauto eo drid defaultDoorWall) w' $
---        zip wlids $
---            wlps' & each . each %~ shiftPointBy p1
-
---addDoorWall ::
---    Bool ->
---    S.Set EdgeObstacle ->
---    Int ->
---    Wall ->
---    World ->
---    (Int, (Point2, Point2)) ->
---    World
---addDoorWall isauto eo drid wl w (wlid, wlps) =
---    w'
---        & cWorld . lWorld . walls
---            %~ IM.insert
---                wlid
---                wl
---                    { _wlLine = wlps
---                    , _wlID = wlid
---                    , _wlStructure = DoorPart drid isauto
---                    }
---  where
---    w' = uncurry (obstructPathsCrossing eo) wlps w
-
 plSlideDoor ::
     Door ->
     Wall ->
@@ -90,7 +90,6 @@ plSlideDoor ::
     GenWorld ->
     (Int, GenWorld)
 plSlideDoor dr wl shiftOffset a b gw =
-    --(drid, over gwWorld addDoorWalls $ gw & gwWorld . cWorld . lWorld . doors %~ addDoor)
     (drid, over gwWorld addWalls $ gw & gwWorld . cWorld . lWorld . doors %~ addDoor)
   where
     isauto = case dr ^. drTrigger of
@@ -118,4 +117,3 @@ plSlideDoor dr wl shiftOffset a b gw =
             (map fst pairs)
             drid
             wlid
---    addDoorWalls w' = foldl' (addDoorWall isauto eo drid wl) w' $ zip wlids pairs
diff --git a/src/Dodge/Room/Airlock.hs b/src/Dodge/Room/Airlock.hs
index 6e595d0c3..a8c356bff 100644
--- a/src/Dodge/Room/Airlock.hs
+++ b/src/Dodge/Room/Airlock.hs
@@ -3,6 +3,9 @@
 {- Rooms that contain two doors and a switch alternating both.  -}
 module Dodge.Room.Airlock where
 
+import Dodge.LevelGen.DoorPane
+import Dodge.Default.Door
+import qualified Data.IntMap.Strict as IM
 import Dodge.Default.Wall
 import Dodge.Room.Path
 import Control.Lens
@@ -107,8 +110,20 @@ airlockDoubleDoor ::
     Point2A ->
     Maybe Placement
 airlockDoubleDoor p1 p2 cond l1 x1 y1 l2 x2 y2 =
-    jspsJ p1 0 (PutDoor cond l1 x1 y1) $
-        sPS p2 0 (PutDoor cond l2 x2 y2)
+    jspsJ p1 0 (putDoor cond l1 x1 y1) $
+        sPS p2 0 (putDoor cond l2 x2 y2)
+
+putDoor :: WdBl -> Float -> Point2A -> Point2A -> PSType
+putDoor cond l p1 p2 = PutDoor' dr wl
+  where
+    wl = defaultDoorWall
+    dr = defaultDoor
+        & drTrigger .~ cond
+        & drUpdate .~ DoorLerp 0.01
+        & drZeroPos .~ p1
+        & drOnePos .~ p2
+        & drFootPrint .~ IM.fromList (zip [0..] $ wlps')
+    wlps' = rectanglePairs 9 0 (V2 l 0)
 
 airlockSimple :: Room
 airlockSimple =
diff --git a/src/Dodge/Room/Tutorial.hs b/src/Dodge/Room/Tutorial.hs
index 1c0f41be7..b715d2334 100644
--- a/src/Dodge/Room/Tutorial.hs
+++ b/src/Dodge/Room/Tutorial.hs
@@ -48,10 +48,11 @@ tutAnoTree = do
 --        , tToBTree "lastun" . return . cleatOnward <$> tanksRoom [] []
 --        , return $ tToBTree "cor" $ return $ cleatOnward corridor
 --        , return $ tToBTree "cor" $ return $ cleatOnward corridor
-        , tToBTree "lastun" . return . cleatOnward <$> cenLasTur
+--        , tToBTree "lastun" . return . cleatOnward <$> cenLasTur
 --        , return $ tToBTree "cor" $ return $ cleatOnward corridor
 --        , return $ tToBTree "cor" $ return $ cleatOnward corridor
 --        , return $ tToBTree "cor" $ return $ cleatOnward corridor
+--        , return $ tToBTree "cor" $ return $ cleatOnward airlockSimple
         , return $ tToBTree "cor" $ return $ cleatOnward corridor
 --        , return $ tToBTree "cor" $ return $ cleatOnward corridor
 --        , return $ tToBTree "cor" $ return $ cleatOnward corridor
diff --git a/tags b/tags
index 931faffaa..5449e1caf 100644
--- a/tags
+++ b/tags
@@ -939,10 +939,10 @@ POISONSPRAYER	src/Dodge/Data/Item/Combine.hs	172;"	C
 PORTABLEFUSION	src/Dodge/Data/Item/Combine.hs	87;"	C
 POWERLEGS	src/Dodge/Data/Item/Combine.hs	128;"	C
 PRISM	src/Dodge/Data/Item/Combine.hs	65;"	C
-PS	src/Dodge/Data/GenWorld.hs	94;"	C
-PSNoShiftCont	src/Dodge/Data/GenWorld.hs	95;"	C
-PSPos	src/Dodge/Data/GenWorld.hs	96;"	C
-PSRoomRand	src/Dodge/Data/GenWorld.hs	101;"	C
+PS	src/Dodge/Data/GenWorld.hs	96;"	C
+PSNoShiftCont	src/Dodge/Data/GenWorld.hs	97;"	C
+PSPos	src/Dodge/Data/GenWorld.hs	98;"	C
+PSRoomRand	src/Dodge/Data/GenWorld.hs	103;"	C
 PSType	src/Dodge/Data/GenWorld.hs	31;"	t
 PUMP	src/Dodge/Data/Item/Combine.hs	62;"	C
 PaletteColor	src/Color/Data.hs	11;"	t
@@ -962,8 +962,8 @@ PhysicalSensor	src/Dodge/Data/Machine/Sensor.hs	16;"	C
 Picture	src/Picture/Data.hs	44;"	t
 Piercing	src/Dodge/Data/Damage.hs	16;"	C
 PistolAI	src/Dodge/Data/Creature/Misc.hs	41;"	C
-Placement	src/Dodge/Data/GenWorld.hs	107;"	t
-PlacementSpot	src/Dodge/Data/GenWorld.hs	93;"	t
+Placement	src/Dodge/Data/GenWorld.hs	109;"	t
+PlacementSpot	src/Dodge/Data/GenWorld.hs	95;"	t
 PlainBarrel	src/Dodge/Data/Creature/Misc.hs	86;"	C
 PlantNurserySS	src/Dodge/Data/Scenario.hs	96;"	C
 PlayStatus	src/Sound/Data.hs	21;"	t
@@ -1029,26 +1029,27 @@ PushedBy	src/Dodge/Data/Door.hs	25;"	C
 PushesItself	src/Dodge/Data/Door.hs	24;"	C
 PutBlock	src/Dodge/Data/GenWorld.hs	44;"	C
 PutButton	src/Dodge/Data/GenWorld.hs	40;"	C
-PutChasm	src/Dodge/Data/GenWorld.hs	62;"	C
+PutChasm	src/Dodge/Data/GenWorld.hs	63;"	C
 PutCoord	src/Dodge/Data/GenWorld.hs	45;"	C
 PutCrit	src/Dodge/Data/GenWorld.hs	32;"	C
-PutDoor	src/Dodge/Data/GenWorld.hs	56;"	C
+PutDoor	src/Dodge/Data/GenWorld.hs	57;"	C
+PutDoor'	src/Dodge/Data/GenWorld.hs	56;"	C
 PutFlIt	src/Dodge/Data/GenWorld.hs	43;"	C
-PutForeground	src/Dodge/Data/GenWorld.hs	58;"	C
-PutID	src/Dodge/Data/GenWorld.hs	61;"	C
+PutForeground	src/Dodge/Data/GenWorld.hs	59;"	C
+PutID	src/Dodge/Data/GenWorld.hs	62;"	C
 PutLS	src/Dodge/Data/GenWorld.hs	39;"	C
-PutLabel	src/Dodge/Data/GenWorld.hs	63;"	C
+PutLabel	src/Dodge/Data/GenWorld.hs	64;"	C
 PutLineBlock	src/Dodge/Data/GenWorld.hs	48;"	C
 PutMachine	src/Dodge/Data/GenWorld.hs	33;"	C
 PutMod	src/Dodge/Data/GenWorld.hs	46;"	C
-PutNothing	src/Dodge/Data/GenWorld.hs	60;"	C
+PutNothing	src/Dodge/Data/GenWorld.hs	61;"	C
 PutOnEquipment	src/Dodge/Data/RightButtonOptions.hs	19;"	C
 PutProp	src/Dodge/Data/GenWorld.hs	41;"	C
 PutSlideDr	src/Dodge/Data/GenWorld.hs	55;"	C
 PutTerminal	src/Dodge/Data/GenWorld.hs	42;"	C
 PutTrigger	src/Dodge/Data/GenWorld.hs	47;"	C
 PutWall	src/Dodge/Data/GenWorld.hs	54;"	C
-PutWorldUpdate	src/Dodge/Data/GenWorld.hs	59;"	C
+PutWorldUpdate	src/Dodge/Data/GenWorld.hs	60;"	C
 QFloat	src/Geometry/Data.hs	50;"	t
 QuarterRes	src/Dodge/Data/Config.hs	98;"	C
 QuicksaveSlot	src/Dodge/Data/SaveSlot.hs	8;"	C
@@ -1072,7 +1073,7 @@ RadialDistortion	src/Dodge/Data/Distortion.hs	11;"	C
 RandImpulse	src/Dodge/Data/ActionPlan.hs	49;"	t
 RandImpulseCircMove	src/Dodge/Data/ActionPlan.hs	51;"	C
 RandImpulseList	src/Dodge/Data/ActionPlan.hs	50;"	C
-RandPS	src/Dodge/Data/GenWorld.hs	57;"	C
+RandPS	src/Dodge/Data/GenWorld.hs	58;"	C
 RandomImpulse	src/Dodge/Data/ActionPlan.hs	31;"	C
 RandomTurn	src/Dodge/Data/ActionPlan.hs	30;"	C
 ReactorSS	src/Dodge/Data/Scenario.hs	111;"	C
@@ -1108,7 +1109,7 @@ Rocket	src/Dodge/Data/Projectile.hs	32;"	C
 RocketHoming	src/Dodge/Data/Projectile.hs	39;"	t
 RocketSmoke	src/Dodge/Data/Projectile.hs	52;"	t
 RocketSmoke	src/Dodge/Data/Cloud.hs	22;"	C
-Room	src/Dodge/Data/GenWorld.hs	122;"	t
+Room	src/Dodge/Data/GenWorld.hs	124;"	t
 RoomClipping	src/Dodge/Data/Config.hs	108;"	t
 RoomInt	src/Dodge/Tree/Shift.hs	26;"	t
 RoomLink	src/Dodge/Data/Room.hs	24;"	t
@@ -2074,11 +2075,11 @@ _pjSpin	src/Dodge/Data/Projectile.hs	19;"	f
 _pjTimer	src/Dodge/Data/Projectile.hs	22;"	f
 _pjType	src/Dodge/Data/Projectile.hs	24;"	f
 _pjVel	src/Dodge/Data/Projectile.hs	17;"	f
-_plExternalID	src/Dodge/Data/GenWorld.hs	111;"	f
-_plIDCont	src/Dodge/Data/GenWorld.hs	112;"	f
-_plMID	src/Dodge/Data/GenWorld.hs	110;"	f
-_plSpot	src/Dodge/Data/GenWorld.hs	108;"	f
-_plType	src/Dodge/Data/GenWorld.hs	109;"	f
+_plExternalID	src/Dodge/Data/GenWorld.hs	113;"	f
+_plIDCont	src/Dodge/Data/GenWorld.hs	114;"	f
+_plMID	src/Dodge/Data/GenWorld.hs	112;"	f
+_plSpot	src/Dodge/Data/GenWorld.hs	110;"	f
+_plType	src/Dodge/Data/GenWorld.hs	111;"	f
 _playStatus	src/Sound/Data.hs	15;"	f
 _playingSounds	src/Dodge/Data/World.hs	40;"	f
 _posture	src/Dodge/Data/Creature/Stance.hs	17;"	f
@@ -2099,24 +2100,24 @@ _proxReqEquipment	src/Dodge/Data/Machine/Sensor.hs	36;"	f
 _proxReqMinHealth	src/Dodge/Data/Machine/Sensor.hs	35;"	f
 _proxSensorType	src/Dodge/Data/Machine/Sensor.hs	26;"	f
 _proxToggle	src/Dodge/Data/Machine/Sensor.hs	27;"	f
-_psFallback	src/Dodge/Data/GenWorld.hs	99;"	f
-_psPos	src/Dodge/Data/GenWorld.hs	94;"	f
-_psRandShift	src/Dodge/Data/GenWorld.hs	103;"	f
-_psRoomEff	src/Dodge/Data/GenWorld.hs	98;"	f
-_psRoomRandPointNum	src/Dodge/Data/GenWorld.hs	102;"	f
-_psRot	src/Dodge/Data/GenWorld.hs	94;"	f
-_psSelect	src/Dodge/Data/GenWorld.hs	97;"	f
+_psFallback	src/Dodge/Data/GenWorld.hs	101;"	f
+_psPos	src/Dodge/Data/GenWorld.hs	96;"	f
+_psRandShift	src/Dodge/Data/GenWorld.hs	105;"	f
+_psRoomEff	src/Dodge/Data/GenWorld.hs	100;"	f
+_psRoomRandPointNum	src/Dodge/Data/GenWorld.hs	104;"	f
+_psRot	src/Dodge/Data/GenWorld.hs	96;"	f
+_psSelect	src/Dodge/Data/GenWorld.hs	99;"	f
 _pulseBalls	src/Dodge/Data/LWorld.hs	113;"	f
 _pulseLasers	src/Dodge/Data/LWorld.hs	112;"	f
 _pulseProgress	src/Dodge/Data/Creature/Misc.hs	54;"	f
 _pulseRate	src/Dodge/Data/Creature/Misc.hs	53;"	f
 _putBlock	src/Dodge/Data/GenWorld.hs	44;"	f
 _putButton	src/Dodge/Data/GenWorld.hs	40;"	f
-_putChasmPoly	src/Dodge/Data/GenWorld.hs	62;"	f
+_putChasmPoly	src/Dodge/Data/GenWorld.hs	63;"	f
 _putEndPoint	src/Dodge/Data/GenWorld.hs	52;"	f
-_putID	src/Dodge/Data/GenWorld.hs	61;"	f
+_putID	src/Dodge/Data/GenWorld.hs	62;"	f
 _putItem	src/Dodge/Data/GenWorld.hs	43;"	f
-_putLabel	src/Dodge/Data/GenWorld.hs	63;"	f
+_putLabel	src/Dodge/Data/GenWorld.hs	64;"	f
 _putMachineMachine	src/Dodge/Data/GenWorld.hs	35;"	f
 _putMachineMaybeItem	src/Dodge/Data/GenWorld.hs	37;"	f
 _putMachinePoly	src/Dodge/Data/GenWorld.hs	34;"	f
@@ -2154,28 +2155,28 @@ _rkSmoke	src/Dodge/Data/Projectile.hs	34;"	f
 _rlDir	src/Dodge/Data/Room.hs	27;"	f
 _rlPos	src/Dodge/Data/Room.hs	26;"	f
 _rlType	src/Dodge/Data/Room.hs	25;"	f
-_rmBound	src/Dodge/Data/GenWorld.hs	137;"	f
-_rmChildren	src/Dodge/Data/GenWorld.hs	148;"	f
-_rmClusterStatus	src/Dodge/Data/GenWorld.hs	150;"	f
-_rmConnectsTo	src/Dodge/Data/GenWorld.hs	145;"	f
-_rmEndWires	src/Dodge/Data/GenWorld.hs	144;"	f
-_rmFloor	src/Dodge/Data/GenWorld.hs	138;"	f
+_rmBound	src/Dodge/Data/GenWorld.hs	139;"	f
+_rmChildren	src/Dodge/Data/GenWorld.hs	150;"	f
+_rmClusterStatus	src/Dodge/Data/GenWorld.hs	152;"	f
+_rmConnectsTo	src/Dodge/Data/GenWorld.hs	147;"	f
+_rmEndWires	src/Dodge/Data/GenWorld.hs	146;"	f
+_rmFloor	src/Dodge/Data/GenWorld.hs	140;"	f
 _rmHeight	src/Dodge/Data/Room.hs	39;"	f
-_rmInPmnt	src/Dodge/Data/GenWorld.hs	136;"	f
-_rmLinkEff	src/Dodge/Data/GenWorld.hs	126;"	f
-_rmLinks	src/Dodge/Data/GenWorld.hs	124;"	f
-_rmMID	src/Dodge/Data/GenWorld.hs	146;"	f
-_rmMParent	src/Dodge/Data/GenWorld.hs	147;"	f
-_rmName	src/Dodge/Data/GenWorld.hs	139;"	f
-_rmPath	src/Dodge/Data/GenWorld.hs	134;"	f
-_rmPmnts	src/Dodge/Data/GenWorld.hs	135;"	f
-_rmPolys	src/Dodge/Data/GenWorld.hs	123;"	f
-_rmPos	src/Dodge/Data/GenWorld.hs	133;"	f
-_rmRandPSs	src/Dodge/Data/GenWorld.hs	142;"	f
-_rmShift	src/Dodge/Data/GenWorld.hs	140;"	f
-_rmStartWires	src/Dodge/Data/GenWorld.hs	143;"	f
-_rmType	src/Dodge/Data/GenWorld.hs	149;"	f
-_rmViewpoints	src/Dodge/Data/GenWorld.hs	141;"	f
+_rmInPmnt	src/Dodge/Data/GenWorld.hs	138;"	f
+_rmLinkEff	src/Dodge/Data/GenWorld.hs	128;"	f
+_rmLinks	src/Dodge/Data/GenWorld.hs	126;"	f
+_rmMID	src/Dodge/Data/GenWorld.hs	148;"	f
+_rmMParent	src/Dodge/Data/GenWorld.hs	149;"	f
+_rmName	src/Dodge/Data/GenWorld.hs	141;"	f
+_rmPath	src/Dodge/Data/GenWorld.hs	136;"	f
+_rmPmnts	src/Dodge/Data/GenWorld.hs	137;"	f
+_rmPolys	src/Dodge/Data/GenWorld.hs	125;"	f
+_rmPos	src/Dodge/Data/GenWorld.hs	135;"	f
+_rmRandPSs	src/Dodge/Data/GenWorld.hs	144;"	f
+_rmShift	src/Dodge/Data/GenWorld.hs	142;"	f
+_rmStartWires	src/Dodge/Data/GenWorld.hs	145;"	f
+_rmType	src/Dodge/Data/GenWorld.hs	151;"	f
+_rmViewpoints	src/Dodge/Data/GenWorld.hs	143;"	f
 _rmWidth	src/Dodge/Data/Room.hs	38;"	f
 _rpDir	src/Dodge/Data/Room.hs	17;"	f
 _rpFlags	src/Dodge/Data/Room.hs	18;"	f
@@ -2515,12 +2516,11 @@ aimStanceInfo	src/Dodge/Item/Info.hs	243;"	f
 aimTurn	src/Dodge/Creature/YourControl.hs	181;"	f
 airlock	src/Dodge/Room/Airlock.hs	24;"	f
 airlock0	src/Dodge/Room/Airlock.hs	72;"	f
-airlock90	src/Dodge/Room/Airlock.hs	199;"	f
-airlockCrystal	src/Dodge/Room/Airlock.hs	244;"	f
-airlockDoor	src/Dodge/Room/Airlock.hs	98;"	f
-airlockDoubleDoor	src/Dodge/Room/Airlock.hs	101;"	f
-airlockSimple	src/Dodge/Room/Airlock.hs	116;"	f
-airlockZ	src/Dodge/Room/Airlock.hs	154;"	f
+airlock90	src/Dodge/Room/Airlock.hs	196;"	f
+airlockCrystal	src/Dodge/Room/Airlock.hs	241;"	f
+airlockDoubleDoor	src/Dodge/Room/Airlock.hs	98;"	f
+airlockSimple	src/Dodge/Room/Airlock.hs	113;"	f
+airlockZ	src/Dodge/Room/Airlock.hs	151;"	f
 allVisibleWalls	src/Dodge/Base/Collide.hs	223;"	f
 alongSegBy	src/Geometry.hs	40;"	f
 alteRifle	src/Dodge/Item/Held/Cane.hs	22;"	f
@@ -3105,7 +3105,7 @@ deleteWallIDs	src/Dodge/Wall/Delete.hs	28;"	f
 denormalEdges	src/Polyhedra.hs	136;"	f
 destroyAllInvItems	src/Dodge/Inventory.hs	53;"	f
 destroyBlock	src/Dodge/Block.hs	17;"	f
-destroyDoor	src/Dodge/DrWdWd.hs	55;"	f
+destroyDoor	src/Dodge/DrWdWd.hs	53;"	f
 destroyInvItem	src/Dodge/Inventory.hs	40;"	f
 destroyItem	src/Dodge/Inventory.hs	62;"	f
 destroyLS	src/Dodge/LightSource.hs	32;"	f
@@ -3113,8 +3113,8 @@ destroyLSFlashAt	src/Dodge/LightSource.hs	42;"	f
 destroyMachine	src/Dodge/Machine/Destroy.hs	13;"	f
 destroyMatS	src/Dodge/Material/Sound.hs	7;"	f
 destroyMcType	src/Dodge/Machine/Destroy.hs	22;"	f
-destroyMount	src/Dodge/DrWdWd.hs	73;"	f
-destroyMounts	src/Dodge/DrWdWd.hs	70;"	f
+destroyMount	src/Dodge/DrWdWd.hs	71;"	f
+destroyMounts	src/Dodge/DrWdWd.hs	68;"	f
 destroyProjectile	src/Dodge/Projectile/Update.hs	108;"	f
 detV	src/Geometry/Vector.hs	94;"	f
 detector	src/Dodge/Item/Held/Utility.hs	27;"	f
@@ -3171,7 +3171,7 @@ doDebugTestF12	src/Dodge/Update/Input/DebugTest.hs	84;"	f
 doDebugTestF6	src/Dodge/Update/Input/DebugTest.hs	41;"	f
 doDebugTestF7	src/Dodge/Update/Input/DebugTest.hs	51;"	f
 doDebugTestF8	src/Dodge/Update/Input/DebugTest.hs	59;"	f
-doDoorLerp	src/Dodge/DrWdWd.hs	52;"	f
+doDoorLerp	src/Dodge/Door/DoorLerp.hs	5;"	f
 doDrag	src/Dodge/Update/Input/InGame.hs	127;"	f
 doDrawing	src/Dodge/Render.hs	34;"	f
 doDrawing'	src/Dodge/Render.hs	45;"	f
@@ -4347,7 +4347,8 @@ pistol	src/Dodge/Item/Held/Stick.hs	40;"	f
 pistolerRoom	src/Dodge/Room/Room.hs	330;"	f
 pjRemoteSetDirection	src/Dodge/Projectile/Update.hs	172;"	f
 plBlock	src/Dodge/Placement/PlaceSpot/Block.hs	20;"	f
-plDoor	src/Dodge/Placement/PlaceSpot/TriggerDoor.hs	17;"	f
+plDoor	src/Dodge/Placement/PlaceSpot/TriggerDoor.hs	46;"	f
+plDoor'	src/Dodge/Placement/PlaceSpot/TriggerDoor.hs	19;"	f
 plLineBlock	src/Dodge/Placement/PlaceSpot/Block.hs	54;"	f
 plMachine	src/Dodge/Placement/PlaceSpot.hs	203;"	f
 plNew	src/Dodge/Base/NewID.hs	19;"	f
@@ -4355,7 +4356,7 @@ plNewID	src/Dodge/Base/NewID.hs	7;"	f
 plNewUpID	src/Dodge/Base/NewID.hs	13;"	f
 plNewUsing	src/Dodge/Base/NewID.hs	27;"	f
 plRRpt	src/Dodge/LevelGen/PlacementHelper.hs	33;"	f
-plSlideDoor	src/Dodge/Placement/PlaceSpot/TriggerDoor.hs	83;"	f
+plSlideDoor	src/Dodge/Placement/PlaceSpot/TriggerDoor.hs	84;"	f
 placeChasm	src/Dodge/Placement/PlaceSpot.hs	161;"	f
 placeMachineWalls	src/Dodge/Placement/PlaceSpot.hs	230;"	f
 placePlainPSSpot	src/Dodge/Placement/PlaceSpot.hs	43;"	f
@@ -5055,7 +5056,7 @@ stone4S	src/Dodge/SoundLogic/ExternallyGeneratedSounds.hs	484;"	f
 stone5S	src/Dodge/SoundLogic/ExternallyGeneratedSounds.hs	626;"	f
 stopAllSounds	src/Sound.hs	125;"	f
 stopBulletAt	src/Dodge/Bullet.hs	200;"	f
-stopPushing	src/Dodge/DrWdWd.hs	78;"	f
+stopPushing	src/Dodge/DrWdWd.hs	76;"	f
 stopSoundFrom	src/Dodge/SoundLogic.hs	220;"	f
 strFromEquipment	src/Dodge/Creature/Statistics.hs	53;"	f
 strFromHeldItem	src/Dodge/Creature/Statistics.hs	67;"	f