egs_accounts: Add tmp_gid/0. Remove the table/record counters.

include/records.hrl

@@ -101,9 +101,6 @@
 	faceboxx=65535, faceboxy=65535
 }).
 
-%% @doc Table containing counters current values.
--record(counters, {name, id}).
-
 %% @doc Character main or class level data structure.
 
 -record(level, {number, exp}).

src/egs_accounts.erl

@@ -20,7 +20,7 @@
 -module(egs_accounts).
 -behaviour(gen_server).
 
--export([start_link/0, stop/0, get_folder/1, key_auth/2, key_auth_init/1, key_auth_timeout/1, login_auth/2]). %% API.
+-export([start_link/0, stop/0, get_folder/1, key_auth/2, key_auth_init/1, key_auth_timeout/1, login_auth/2, tmp_gid/0]). %% API.
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]). %% gen_server.
 
 -define(SERVER, ?MODULE).
@@ -36,8 +36,9 @@
 }).
 
 -record(state, {
-	accounts = []		:: list(#accounts{}),
-	next_gid = 10000001	:: integer()
+	accounts = []			:: list(#accounts{}),
+	next_gid = 10000001		:: integer(),
+	tmp_gid  = 16#ff000001	:: integer()
 }).
 
 %% API.
@@ -76,6 +77,11 @@ key_auth_timeout(GID) ->
 login_auth(Username, Password) ->
 	gen_server:call(?SERVER, {login_auth, Username, Password}).
 
+-spec tmp_gid() -> GID::integer().
+%% @doc Return an unused temporary GID for initial connection and APC characters.
+tmp_gid() ->
+	gen_server:call(?SERVER, tmp_gid).
+
 %% gen_server.
 
 init([]) ->
@@ -109,6 +115,10 @@ handle_call({login_auth, Username, Password}, _From, State) ->
 	Account = #accounts{gid=GID, username=Username, password=Password},
 	{reply, {ok, GID}, State#state{next_gid=GID + 1, accounts=[{GID, Account}|State#state.accounts]}};
 
+handle_call(tmp_gid, _From, State) ->
+	GID = State#state.tmp_gid,
+	{reply, GID, State#state{tmp_gid=GID + 1}};
+
 handle_call(stop, _From, State) ->
 	{stop, normal, stopped, State};
 

src/egs_app.erl

@@ -67,7 +67,6 @@ db_init() ->
 	error_logger:info_report("mnesia schema created"),
 	error_logger:info_report("starting mnesia"),
 	mnesia:start(),
-	mnesia:create_table(counters, [{attributes, record_info(fields, counters)}]),
 	mnesia:create_table(users, [{attributes, record_info(fields, users)}]),
 	error_logger:info_report("mnesia tables created"),
 	ok.

src/egs_game_server.erl

@@ -58,7 +58,6 @@ on_exit(Pid) ->
 init(Socket) ->
 	egs_game_server_exit_mon ! {link, self()},
 	timer:send_interval(5000, {egs, keepalive}),
-	TmpGID = 16#ff000000 + mnesia:dirty_update_counter(counters, tmpgid, 1),
-	State = #state{socket=Socket, gid=TmpGID},
+	State = #state{socket=Socket, gid=egs_accounts:tmp_gid()},
 	psu_proto:send_0202(State),
 	egs_network:recv(<< >>, egs_login, State).

src/egs_login_server.erl

@@ -35,7 +35,6 @@ on_exit(_Pid) ->
 
 %% @doc Initialize the game state and start receiving messages.
 init(Socket) ->
-	TmpGID = 16#ff000000 + mnesia:dirty_update_counter(counters, tmpgid, 1),
-	State = #state{socket=Socket, gid=TmpGID},
+	State = #state{socket=Socket, gid=egs_accounts:tmp_gid()},
 	psu_proto:send_0202(State),
 	egs_network:recv(<< >>, egs_login, State).

src/egs_npc_db.erl

@@ -61,7 +61,7 @@ handle_call(all, _From, State) ->
 
 %% @todo Handle stats, experience, based on level.
 handle_call({create, NPCid, BaseLevel}, _From, State) ->
-	NPCGID = 16#ff000000 + mnesia:dirty_update_counter(counters, tmpgid, 1),
+	NPCGID = egs_accounts:tmp_gid(),
 	#npc{name=Name, race=Race, gender=Gender, class=Class, level_diff=LevelDiff, appearance=Appearance} = proplists:get_value(NPCid, ?NPC),
 	TmpUCS2Name = << << X:8, 0:8 >> || X <- Name >>,
 	Padding = 8 * (64 - byte_size(TmpUCS2Name)),