Somewhat simplify RoomPos types

src/Dodge/Data/Room.hs

@@ -64,6 +64,7 @@ data RPLinkStatus
         , _rplsInRoomID :: Int
         }
     | UnusedLink {_rplsType :: S.Set RoomLinkType}
+    | PathNodeRP
     | NotLink
     deriving (Eq, Ord, Show)
 
@@ -71,10 +72,8 @@ data PathFromEdge = PathFromEdge CardinalPoint Int
     deriving (Eq, Ord, Show)
 
 data RoomPosType
-    = RoomPosOnPath {_onPathFromEdges :: S.Set PathFromEdge}
-    | RoomPosOffPath {_offPathFromEdges :: S.Set PathFromEdge}
-    | RoomPosExLink
-    | RoomPosLab Int
+    = RoomPosOnGrid {_onPathFromEdges :: S.Set PathFromEdge}
+    | RoomPosOffGrid {_offPathFromEdges :: S.Set PathFromEdge}
     deriving (Eq, Ord, Show)
 
 data UsedPos

src/Dodge/PlacementSpot.hs

@@ -2,10 +2,9 @@
 module Dodge.PlacementSpot (
     atFstLnkOut,
     atNthLnkOutShiftBy,
-    rpIsOnPath,
+    rpIsOnGrid,
     rpIsOffPath,
     rpOffPathFromEdge,
-    rpOnPathFromEdge,
     useUnusedLnk,
     psRandRanges,
     useRoomPosCond,
@@ -73,16 +72,16 @@ psposAddLabel lab = psSelect %~ (\f rp r -> f rp r & _Just . _2 . rpType %~ S.in
 rprBool :: (RoomPos -> Room -> Bool) -> PlacementSpot
 rprBool t = PSPos (useRoomPosRoomCond (S.singleton UsedPosLow) t) (const id) Nothing
 
-rpIsOnPath :: RoomPos -> Bool
-rpIsOnPath = any f . _rpType
+rpIsOnGrid :: RoomPos -> Bool
+rpIsOnGrid = any f . _rpType
   where
-    f RoomPosOnPath{} = True
+    f RoomPosOnGrid{} = True
     f _ = False
 
 rpIsOffPath :: RoomPos -> Bool
 rpIsOffPath = any f . _rpType
   where
-    f RoomPosOffPath{} = True
+    f RoomPosOffGrid{} = True
     f _ = False
 
 rpOffPathFromEdge :: PathFromEdge -> RoomPos -> Bool
@@ -90,12 +89,6 @@ rpOffPathFromEdge pe = any f . _rpType
   where
     f rt = maybe False (pe `elem`) (rt ^? offPathFromEdges)
 
--- test whether a roomPos is on the path with a given from edge value
-rpOnPathFromEdge :: PathFromEdge -> RoomPos -> Bool
-rpOnPathFromEdge pe = any f . _rpType
-  where
-    f rt = maybe False (pe `elem`) (rt ^? onPathFromEdges)
-
 resetPLUse :: PlacementSpot -> PlacementSpot
 resetPLUse (PSPos f g fallback) = PSPos f' g fallback
   where

src/Dodge/Room/Procedural.hs

@@ -97,7 +97,7 @@ roomRect x y xn yn =
             . zipCountDown
     pth = linksGridToPath lnks 
         $ map (bimap (+.+ V2 20 20) (+.+ V2 20 20)) (makeGrid xd xn yd yn)
-    makeonpos (p, a) = RoomPos p 0 (S.singleton $ RoomPosOnPath $ makerpedges a) 
+    makeonpos (p, a) = RoomPos p 0 (S.singleton $ RoomPosOnGrid $ makerpedges a) 
         NotLink mempty
     makerpedges (a, b) =
         S.fromList
@@ -109,7 +109,7 @@ roomRect x y xn yn =
     posps = map (over _1 (+.+ V2 20 20)) $ gridPoints'' xd (xn + 1) yd (yn + 1)
     interposps = map (over _1 (+.+ V2 (20 + xd / 2) (20 + yd / 2))) $ gridPoints'' xd xn yd yn
     makeoffpos (p, a) = RoomPos 
-        p 0 (S.singleton $ RoomPosOffPath $ makerpedges' a) NotLink mempty
+        p 0 (S.singleton $ RoomPosOffGrid $ makerpedges' a) NotLink mempty
     makerpedges' (a, b) =
         S.fromList
             [ PathFromEdge South b

src/Dodge/Room/Room.hs

@@ -205,7 +205,7 @@ weaponBetweenPillars = do
     (h, hn) <- takeOne [(240, 2), (340, 3)]
     let wpPos = rprBool $ \rp r ->
             and
-                [ rpIsOnPath rp
+                [ rpIsOnGrid rp
                 , null $ _rpPlacementUse rp
                 , _rpLinkStatus rp == NotLink
                 , any ((< 100) . dist (_rpPos rp)) (usedRoomInLinkPoss r)
@@ -215,7 +215,7 @@ weaponBetweenPillars = do
     critPlacementSpots <- replicateM ncrits $
         randDirPS $
             rprBool $ \rp r ->
-                rpIsOnPath rp
+                rpIsOnGrid rp
                     && null (_rpPlacementUse rp)
                     && all ((> 100) . dist (_rpPos rp)) (usedRoomLinkPoss r)
     ( roomPillars 30 w h wn hn
@@ -334,7 +334,7 @@ pistolerRoom = do
         .++~ replicate
             3
             ( psPtPl
-                (rprBool $ \rp _ -> null (_rpPlacementUse rp) && rpIsOnPath rp)
+                (rprBool $ \rp _ -> null (_rpPlacementUse rp) && rpIsOnGrid rp)
                 (PutCrit chaseCrit)
             )
 
@@ -374,7 +374,7 @@ spawnerRoom = do
         roomC x y <&> rmPmnts
             .:~ psPtPl
                 ( rprBool $ \rp _ ->
-                    null (_rpPlacementUse rp) && rpIsOnPath rp
+                    null (_rpPlacementUse rp) && rpIsOnGrid rp
                         && xV2 (_rpPos rp) < x / 2
                         && yV2 (_rpPos rp) < y / 2
                 )

src/Dodge/Room/Tutorial.hs

@@ -1,5 +1,6 @@
 module Dodge.Room.Tutorial where
 
+import Dodge.Room.Pillar
 import Dodge.Item.Held.Utility
 import Control.Monad
 import qualified Data.IntMap.Strict as IM
@@ -43,6 +44,8 @@ tutAnoTree = do
     foldMTRS
         [ tToBTree "TutStartRez" . return . cleatOnward <$> tutRezBox
         , corDoor
+        , tToBTree "x" . return . cleatOnward <$> roomPillarsSquare
+        , corDoor
         , tutHub
         , tutLight
         , tutDrop