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-rw-r--r--users/glittershark/xanthous/src/Xanthous/Data/EntityMap/Graphics.hs64
1 files changed, 0 insertions, 64 deletions
diff --git a/users/glittershark/xanthous/src/Xanthous/Data/EntityMap/Graphics.hs b/users/glittershark/xanthous/src/Xanthous/Data/EntityMap/Graphics.hs
deleted file mode 100644
index 19e7b0cdf0..0000000000
--- a/users/glittershark/xanthous/src/Xanthous/Data/EntityMap/Graphics.hs
+++ /dev/null
@@ -1,64 +0,0 @@
---------------------------------------------------------------------------------
-module Xanthous.Data.EntityMap.Graphics
-  ( visiblePositions
-  , visibleEntities
-  , linesOfSight
-  , canSee
-  ) where
---------------------------------------------------------------------------------
-import Xanthous.Prelude hiding (lines)
---------------------------------------------------------------------------------
-import Xanthous.Util (takeWhileInclusive)
-import Xanthous.Data
-import Xanthous.Data.Entities
-import Xanthous.Data.EntityMap
-import Xanthous.Game.State
-import Xanthous.Util.Graphics (circle, line)
---------------------------------------------------------------------------------
-
--- | Returns a set of positions that are visible, when taking into account
--- 'blocksVision', from the given position, within the given radius.
-visiblePositions
-  :: Entity e
-  => Position
-  -> Word -- ^ Vision radius
-  -> EntityMap e
-  -> Set Position
-visiblePositions pos radius
-  = setFromList . positions . visibleEntities pos radius
-
--- | Returns a list of individual lines of sight, each of which is a list of
--- entities at positions on that line of sight
-linesOfSight
-  :: forall e. Entity e
-  => Position
-  -> Word
-  -> EntityMap e
-  -> [[(Position, Vector (EntityID, e))]]
-linesOfSight (view _Position -> pos) visionRadius em
-  = entitiesOnLines
-  <&> takeWhileInclusive
-      (none (view blocksVision . entityAttributes . snd) . snd)
-  where
-    radius = circle pos $ fromIntegral visionRadius
-    lines = line pos <$> radius
-    entitiesOnLines :: [[(Position, Vector (EntityID, e))]]
-    entitiesOnLines = lines <&> map getPositionedAt
-    getPositionedAt :: V2 Int -> (Position, Vector (EntityID, e))
-    getPositionedAt p =
-      let ppos = _Position # p
-      in (ppos, over _2 (view positioned) <$> atPositionWithIDs ppos em)
-
--- | Given a point and a radius of vision, returns a list of all entities that
--- are *visible* (eg, not blocked by an entity that obscures vision) from that
--- point
-visibleEntities :: Entity e => Position -> Word -> EntityMap e -> EntityMap e
-visibleEntities pos visionRadius
-  = fromEIDsAndPositioned
-  . foldMap (\(p, es) -> over _2 (Positioned p) <$> es)
-  . fold
-  . linesOfSight pos visionRadius
-
-canSee :: Entity e => (e -> Bool) -> Position -> Word -> EntityMap e -> Bool
-canSee match pos radius = any match . visibleEntities pos radius
--- ^ this might be optimizable