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|
-module(battlemap).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-opaque id() :: binary().
-record
(
battlemap,
{
id :: id(),
width :: integer(),
height :: integer(),
tile_ids :: array:array(tile:id())
}
).
-opaque struct() :: #battlemap{}.
-export_type([struct/0, id/0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-export
(
[
get_id/1,
get_width/1,
get_height/1,
get_tile_ids/1
]
).
-export
(
[
random/3
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec generate_random_tile_ids
(
tile:id(),
list(tile:id()),
non_neg_integer(),
non_neg_integer(),
non_neg_integer()
)
-> list(tile:id()).
generate_random_tile_ids (_PreviousTileID, Result, _X, 0, _Width) ->
Result;
generate_random_tile_ids (PreviousTileID, Result, 0, Y, Width) ->
generate_random_tile_ids(PreviousTileID, Result, Width, (Y - 1), Width);
generate_random_tile_ids (PreviousTileID, Result, X, Y, Width) ->
NewTile =
case roll:percentage() of
N when (N >= 10) -> PreviousTileID;
_ -> tile:random_id()
end,
generate_random_tile_ids(NewTile, [NewTile|Result], (X - 1), Y, Width).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-spec get_id (struct()) -> id().
get_id (Battlemap) -> Battlemap#battlemap.id.
-spec get_width (struct()) -> integer().
get_width (Battlemap) -> Battlemap#battlemap.width.
-spec get_height (struct()) -> integer().
get_height (Battlemap) -> Battlemap#battlemap.height.
-spec get_tile_ids (struct()) -> array:array(tile:id()).
get_tile_ids (Battlemap) -> Battlemap#battlemap.tile_ids.
-spec random (id(), non_neg_integer(), non_neg_integer()) -> struct().
random (ID, Width, Height) ->
InitialTile = tile:random_id(),
TileIDs = generate_random_tile_ids(InitialTile, [], Width, Height, Width),
#battlemap
{
id = ID,
width = Width,
height = Height,
tile_ids = array:from_list(TileIDs)
}.
|
