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-module(shr_tile_instance).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-type display_data() :: list(binary()).
-opaque type() ::
{
shr_tile:id(),
shr_tile:variant_id(),
display_data(),
ordsets:ordset(shr_map_marker:name())
}.
-export_type([type/0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export
(
[
encode/2,
decode/1,
default/0,
error/0
]
).
-export
(
[
get_tile_id/1,
get_variant_id/1,
get_triggers/1,
add_trigger/2, % TODO
remove_trigger/2, % TODO
ataxia_add_trigger/2, % TODO
ataxia_remove_trigger/2 % TODO
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec get_triggers_field () -> non_neg_integer().
get_triggers_field () -> 3.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec get_tile_id (type()) -> shr_tile:id().
get_tile_id ({TileID, _, _, _}) -> TileID.
-spec get_variant_id (type()) -> shr_tile:variant_id().
get_variant_id ({_, VariantID, _, _}) -> VariantID.
-spec get_triggers (type()) -> list(shr_map_marker:name()).
get_triggers ({_, _, _, Triggers}) -> Triggers.
-spec decode (map()) -> type().
decode (Map) ->
L = maps:get(<<"b">>, Map),
Triggers = maps:get(<<"t">>, Map),
[TileID|[VariantID|DisplayData]] = L,
S0DisplayData =
case (((length(DisplayData) rem 2) == 0)) of
true -> DisplayData;
_ -> []
end,
{TileID, VariantID, S0DisplayData, Triggers}.
-spec encode
(
fun ((shr_map_marker:name()) -> boolean()),
type()
)
-> {list(any())}.
encode (VisibilityFun, {TileID, VariantID, DisplayData, Triggers}) ->
{
[
{<<"b">>, [TileID|[VariantID|DisplayData]]},
{<<"t">>, lists:filter(VisibilityFun, Triggers)}
]
}.
-spec default () -> type().
default () -> {<<"1">>, <<"0">>, [], []}.
-spec error () -> type().
error () -> {<<"0">>, <<"0">>, [], []}.
-spec add_trigger (shr_map_marker:name(), type()) -> type().
add_trigger (TriggerName, {TileID, VariantID, DisplayData, Triggers}) ->
{TileID, VariantID, DisplayData, ordsets:add_element(TriggerName, Triggers)}.
-spec ataxia_add_trigger
(
shr_map_marker:name(),
type()
)
-> {type(), ataxic:basic()}.
ataxia_add_trigger (TriggerName, TileInstance) ->
{
add_trigger(TriggerName, TileInstance),
ataxic:update_field
(
get_triggers_field(),
ataxic:apply_function
(
ordsets,
add_element,
[
ataxic:constant(TriggerName),
ataxic:current_value()
]
)
)
}.
-spec remove_trigger (shr_map_marker:name(), type()) -> type().
remove_trigger (TriggerName, {TileID, VariantID, DisplayData, Triggers}) ->
{TileID, VariantID, DisplayData, ordsets:del_element(TriggerName, Triggers)}.
-spec ataxia_remove_trigger
(
shr_map_marker:name(),
type()
)
-> {type(), ataxic:basic()}.
ataxia_remove_trigger (TriggerName, TileInstance) ->
{
remove_trigger(TriggerName, TileInstance),
ataxic:update_field
(
get_triggers_field(),
ataxic:apply_function
(
ordsets,
del_element,
[
ataxic:constant(TriggerName),
ataxic:current_value()
]
)
)
}.
|
