1 files changed, 99 insertions, 0 deletions
diff --git a/src/shared/battle-map/BattleMap/Struct/Marker.elm b/src/shared/battle-map/BattleMap/Struct/Marker.elm
new file mode 100644
index 0000000..9af3ece
--- /dev/null
+++ b/src/shared/battle-map/BattleMap/Struct/Marker.elm
@@ -0,0 +1,99 @@
+module BattleMap.Struct.Marker exposing
+   (
+      Type,
+      new,
+      get_locations,
+      is_in_locations,
+      decoder,
+      encode
+   )
+
+-- Elm -------------------------------------------------------------------------
+import Set
+import Json.Decode
+import Json.Encode
+import List
+
+-- Battle Map ------------------------------------------------------------------
+import BattleMap.Struct.Location
+
+--------------------------------------------------------------------------------
+-- TYPES -----------------------------------------------------------------------
+--------------------------------------------------------------------------------
+type alias Type =
+   {
+      permissions : (Set.Set String),
+      locations : (Set.Set BattleMap.Struct.Location.Ref)
+   }
+
+--------------------------------------------------------------------------------
+-- LOCAL -----------------------------------------------------------------------
+--------------------------------------------------------------------------------
+
+--------------------------------------------------------------------------------
+-- EXPORTED --------------------------------------------------------------------
+--------------------------------------------------------------------------------
+
+new : Type
+new =
+   {
+      permissions = (Set.empty),
+      locations = (Set.empty)
+   }
+
+get_locations : Type -> (Set.Set BattleMap.Struct.Location.Ref)
+get_locations marker = marker.locations
+
+is_in_locations : BattleMap.Struct.Location.Ref -> Type -> Bool
+is_in_locations loc_ref marker =
+   (Set.member loc_ref marker.locations)
+
+decoder : (Json.Decode.Decoder Type)
+decoder =
+   (Json.Decode.map2
+      Type
+      (Json.Decode.field
+         "p"
+         (Json.Decode.map
+            (Set.fromList)
+            (Json.Decode.list (Json.Decode.string))
+         )
+      )
+      (Json.Decode.field
+         "l"
+         (Json.Decode.map
+            (Set.fromList)
+            (Json.Decode.list
+               (Json.Decode.map
+                  (BattleMap.Struct.Location.get_ref)
+                  (BattleMap.Struct.Location.decoder)
+               )
+            )
+         )
+      )
+   )
+
+encode : Type -> Json.Encode.Value
+encode marker =
+   (Json.Encode.object
+      [
+         (
+            "p",
+            (Json.Encode.list
+               (Json.Encode.string)
+               (Set.toList marker.permissions)
+            )
+         ),
+         (
+            "l",
+            (Json.Encode.list
+               (\e ->
+                  (BattleMap.Struct.Location.encode
+                     (BattleMap.Struct.Location.from_ref e)
+                  )
+               )
+               (Set.toList marker.locations)
+            )
+         )
+      ]
+   )