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|
-module(shr_map).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-type id() :: ataxia_id:type().
-record
(
map,
{
owner :: shr_player:id(),
width :: non_neg_integer(),
height :: non_neg_integer(),
tile_instances :: shr_array_tuple:array_tuple(shr_tile_instance:type()),
markers :: shr_map_marker:collection()
}
).
-opaque type() :: #map{}.
-export_type([type/0, id/0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-export
(
[
get_owner/1,
get_width/1,
get_height/1,
get_tile_instances/1,
get_tile_instance/2,
get_markers/1,
get_marker/2,
get_used_tile_ids/1
]
).
%%%% Fields
-export
(
[
get_width_field/0,
get_height_field/0,
get_markers_field/0,
get_tile_instances_field/0
]
).
%%%% Utility
-export
(
[
update_from_list/5,
default/1
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec location_to_index
(
non_neg_integer(),
shr_location:type()
)
-> ('error' | non_neg_integer()).
location_to_index (ArrayWidth, {X, Y}) ->
if
(X < 0) -> error;
(Y < 0) -> error;
(X >= ArrayWidth) -> error;
true -> ((Y * ArrayWidth) + X)
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-spec get_owner (type()) -> shr_player:id().
get_owner (Map) -> Map#map.owner.
-spec get_width (type()) -> non_neg_integer().
get_width (Map) -> Map#map.width.
-spec get_height (type()) -> non_neg_integer().
get_height (Map) -> Map#map.height.
-spec get_tile_instances
(
type()
)
-> shr_array_tuple:array_tuple(shr_tile_instance:type()).
get_tile_instances (Map) -> Map#map.tile_instances.
-spec get_tile_instance
(
shr_location:type(),
type()
)
-> shr_tile_instance:type().
get_tile_instance (Location, Map) ->
TileIX = location_to_index(Map#map.width, Location),
element((TileIX + 1), Map#map.tile_instances).
-spec get_markers (type()) -> shr_map_marker:collection().
get_markers (Map) -> Map#map.markers.
-spec get_marker
(
shr_map_marker:name(),
type()
)
-> ('not_found' | {'ok', shr_map_marker:type()}).
get_marker (Name, Map) ->
shr_map_marker:get(Name, Map#map.markers).
%%%% Fields
-spec get_width_field () -> non_neg_integer().
get_width_field () -> #map.width.
-spec get_height_field () -> non_neg_integer().
get_height_field () -> #map.height.
-spec get_markers_field () -> non_neg_integer().
get_markers_field () -> #map.markers.
-spec get_tile_instances_field () -> non_neg_integer().
get_tile_instances_field () -> #map.tile_instances.
%%%% Utility
-spec get_used_tile_ids (type()) -> ordsets:ordset(shr_tile:id()).
get_used_tile_ids (Map) ->
UsedTileIDs =
lists:foldl
(
fun (TileInstance, CurrentTileIDs) ->
ordsets:add_element
(
shr_tile_instance:get_tile_id(TileInstance),
CurrentTileIDs
)
end,
ordsets:new(),
tuple_to_list(Map#map.tile_instances)
),
UsedTileIDs.
-spec update_from_list
(
type(),
non_neg_integer(),
non_neg_integer(),
shr_map_marker:collection(),
list(map())
)
-> type().
update_from_list (Map, Width, Height, Markers, List) ->
TileInstances = lists:map(fun shr_tile_instance:decode/1, List),
Map#map
{
width = Width,
height = Height,
markers = Markers,
tile_instances = list_to_tuple(TileInstances)
}.
-spec default (binary()) -> type().
default (Owner) ->
DefaultTileInstance = shr_tile_instance:default(),
#map
{
owner = Owner,
width = 32,
height = 32,
markers = shr_map_marker:empty_collection(),
tile_instances = list_to_tuple(lists:duplicate(1024, DefaultTileInstance))
}.
|
