2 files changed, 68 insertions, 1 deletions

diff --git a/src/shared/battle-map/BattleMap/Struct/Map.elm b/src/shared/battle-map/BattleMap/Struct/Map.elm
index ed6c587..7b31947 100644
--- a/src/shared/battle-map/BattleMap/Struct/Map.elm
+++ b/src/shared/battle-map/BattleMap/Struct/Map.elm
@@ -15,6 +15,7 @@ module BattleMap.Struct.Map exposing
       get_width,
       new,
       set_tile_to,
+      update_tile_at,
       solve_tiles,
       maybe_get_tile_at
    )
@@ -136,12 +137,36 @@ add_marker marker_name marker map =
          )
    }
 
-set_tile_to : BattleMap.Struct.Location.Type -> BattleMap.Struct.TileInstance.Type -> Type -> Type
+set_tile_to : (
+      BattleMap.Struct.Location.Type ->
+      BattleMap.Struct.TileInstance.Type ->
+      Type ->
+      Type
+   )
 set_tile_to loc tile_inst map =
    {map |
       content = (Array.set (location_to_index loc map) tile_inst map.content)
    }
 
+update_tile_at : (
+      BattleMap.Struct.Location.Type ->
+      (
+         BattleMap.Struct.TileInstance.Type ->
+         BattleMap.Struct.TileInstance.Type
+      ) ->
+      Type ->
+      Type
+   )
+update_tile_at loc fun map =
+   {map |
+      content =
+         (Shared.Util.Array.update
+            (location_to_index loc map)
+            (fun)
+            map.content
+         )
+   }
+
 empty : Type
 empty =
    {
diff --git a/src/shared/battle-map/BattleMap/Struct/TileInstance.elm b/src/shared/battle-map/BattleMap/Struct/TileInstance.elm
index 91e3bf5..8ffeafc 100644
--- a/src/shared/battle-map/BattleMap/Struct/TileInstance.elm
+++ b/src/shared/battle-map/BattleMap/Struct/TileInstance.elm
@@ -24,6 +24,11 @@ module BattleMap.Struct.TileInstance exposing
       error,
       solve,
       set_location_from_index,
+      add_extra_display_effect,
+      remove_extra_display_effect,
+      get_extra_display_effects,
+      get_extra_display_effects_list,
+      reset_extra_display_effects,
       decoder,
       encode
    )
@@ -38,6 +43,9 @@ import Json.Encode
 import Json.Decode
 import Json.Decode.Pipeline
 
+-- Shared ----------------------------------------------------------------------
+import Shared.Util.Set
+
 -- Battle Map ------------------------------------------------------------------
 import BattleMap.Struct.DataSet
 import BattleMap.Struct.Tile
@@ -58,6 +66,7 @@ type alias Type =
       class_id : BattleMap.Struct.Tile.Ref,
       variant_id : BattleMap.Struct.Tile.VariantID,
       tags : (Set.Set String),
+      extra_display_effects : (Set.Set String),
       borders : (List Border)
    }
 
@@ -100,6 +109,7 @@ default tile =
       crossing_cost = (BattleMap.Struct.Tile.get_cost tile),
       family = (BattleMap.Struct.Tile.get_family tile),
       tags = (Set.empty),
+      extra_display_effects = (Set.empty),
       borders = []
    }
 
@@ -112,6 +122,7 @@ error x y =
       family = "0",
       crossing_cost = Constants.Movement.cost_when_out_of_bounds,
       tags = (Set.empty),
+      extra_display_effects = (Set.empty),
       borders = []
    }
 
@@ -186,6 +197,7 @@ decoder =
                   |> (Json.Decode.Pipeline.hardcoded tile_id)
                   |> (Json.Decode.Pipeline.hardcoded variant_id)
                   |> (Json.Decode.Pipeline.hardcoded (Set.empty)) -- tags
+                  |> (Json.Decode.Pipeline.hardcoded (Set.empty)) -- display_effects
                   |>
                      (Json.Decode.Pipeline.hardcoded
                         (list_to_borders borders [])
@@ -260,3 +272,33 @@ remove_tag tag tile_inst =
    {tile_inst |
       tags = (Set.remove tag tile_inst.tags)
    }
+
+add_extra_display_effect : String -> Type -> Type
+add_extra_display_effect effect_name tile =
+   {tile |
+      extra_display_effects =
+         (Set.insert effect_name tile.extra_display_effects)
+   }
+
+toggle_extra_display_effect : String -> Type -> Type
+toggle_extra_display_effect effect_name tile =
+   {tile |
+      extra_display_effects =
+         (Shared.Util.Set.toggle effect_name tile.extra_display_effects)
+   }
+
+remove_extra_display_effect : String -> Type -> Type
+remove_extra_display_effect effect_name tile =
+   {tile |
+      extra_display_effects =
+         (Set.remove effect_name tile.extra_display_effects)
+   }
+
+get_extra_display_effects : Type -> (Set.Set String)
+get_extra_display_effects tile = tile.extra_display_effects
+
+get_extra_display_effects_list : Type -> (List String)
+get_extra_display_effects_list tile = (Set.toList tile.extra_display_effects)
+
+reset_extra_display_effects : Type -> Type
+reset_extra_display_effects tile = {tile | extra_display_effects = (Set.empty)}