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egs_items_db: Add a function to return an item's description.

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This commit is contained in:
Loïc Hoguin 2010-10-08 17:33:49 +02:00
parent 6cf2c77823
commit 01daa3c6f2
2 changed files with 14 additions and 7 deletions
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7
src/egs_game.erl
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@ -361,12 +361,7 @@ event({hits, Hits}, State) ->
events(Hits, State);
event({item_description_request, ItemID}, State) ->
Filename = io_lib:format("priv/item_descs/~8.16.0b.txt", [ItemID]),
Desc = case filelib:is_regular(Filename) of
false -> << << X:8, 0:8 >> || X <- "Always bet on Dammy." >>;
true -> {ok, File} = file:read_file(Filename), File
end,
psu_proto:send_0a11(ItemID, Desc, State);
psu_proto:send_0a11(ItemID, egs_items_db:desc(ItemID), State);
%% @todo A and B are unknown.
%% Melee uses a format similar to: AAAA--BBCCCC----DDDDDDDDEE----FF with

14
src/egs_items_db.erl
View File

@ -19,7 +19,7 @@
-module(egs_items_db).
-behavior(gen_server).
-export([start_link/0, stop/0, read/1, reload/0]). %% API.
-export([start_link/0, stop/0, desc/1, read/1, reload/0]). %% API.
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]). %% gen_server.
%% Use the module name for the server's name.
@ -38,6 +38,10 @@ start_link() ->
stop() ->
gen_server:call(?SERVER, stop).
%% @spec desc(ItemID) -> string()
desc(ItemID) ->
gen_server:call(?SERVER, {desc, ItemID}).
%% @spec read(ItemID) -> term() | undefined
read(ItemID) ->
gen_server:call(?SERVER, {read, ItemID}).
@ -52,6 +56,14 @@ init([]) ->
error_logger:info_report("egs_items_db started"),
{ok, undefined}.
handle_call({desc, ItemID}, _From, State) ->
Filename = io_lib:format("priv/item_descs/~8.16.0b.txt", [ItemID]),
Desc = case filelib:is_regular(Filename) of
false -> << << X:8, 0:8 >> || X <- "Always bet on Dammy." >>;
true -> {ok, File} = file:read_file(Filename), File
end,
{reply, Desc, State};
handle_call({read, ItemID}, _From, State) ->
{reply, proplists:get_value(ItemID, ?ITEMS), State};