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-module(map_map).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-type id() :: binary().
-record
(
map,
{
owner :: binary(),
width :: integer(),
height :: integer(),
tile_instances :: shr_tile:instances_tuple()
}
).
-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
]
).
-export
(
[
get_width_field/0,
get_height_field/0,
get_tile_instances_field/0
]
).
-export
(
[
from_list/4,
update_from_list/4,
default/1
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec location_to_index
(
non_neg_integer(),
map_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()) -> binary().
get_owner (Map) -> Map#map.owner.
-spec get_width (type()) -> integer().
get_width (Map) -> Map#map.width.
-spec get_height (type()) -> integer().
get_height (Map) -> Map#map.height.
-spec get_tile_instances (type()) -> shr_tile:instances_tuple().
get_tile_instances (Map) -> Map#map.tile_instances.
-spec get_tile_instance (map_location:type(), type()) -> shr_tile:instance().
get_tile_instance (Location, Map) ->
TileIX = location_to_index(Map#map.width, Location),
element((TileIX + 1), Map#map.tile_instances).
-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_tile_instances_field () -> non_neg_integer().
get_tile_instances_field () -> #map.tile_instances.
-spec from_list
(
binary(),
non_neg_integer(),
non_neg_integer(),
list(list(binary()))
)
-> type().
from_list (Owner, Width, Height, List) ->
TileInstances = lists:map(fun shr_tile:instance_from_binary_list/1, List),
#map
{
owner = Owner,
width = Width,
height = Height,
tile_instances = list_to_tuple(TileInstances)
}.
-spec update_from_list
(
type(),
non_neg_integer(),
non_neg_integer(),
list(list(binary()))
)
-> type().
update_from_list (Map, Width, Height, List) ->
TileInstances = lists:map(fun shr_tile:instance_from_binary_list/1, List),
Map#map
{
width = Width,
height = Height,
tile_instances = list_to_tuple(TileInstances)
}.
-spec default (binary()) -> type().
default (Owner) ->
DefaultTileInstance = shr_tile:default_tile_instance(),
#map
{
owner = Owner,
width = 32,
height = 32,
tile_instances = list_to_tuple(lists:duplicate(1024, DefaultTileInstance))
}.
|
