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GGS/src/ggs_table.erl
Jeena Paradies dcc1a6086f removed io
2011-02-22 13:56:27 +01:00

119 lines
3.1 KiB
Erlang

%% @doc This module represents a table with players
-module(ggs_table).
-behaviour(gen_server).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
-record(state, { players, game_vm } ).
%% API
-export([start_link/0,
add_player/2,
remove_player/2,
stop/1,
notify/3,
notify_all_players/2,
notify_game/3]).
%% ----------------------------------------------------------------------
% API implementation
% @doc returns a new table
start_link() ->
{ok, Pid} = gen_server:start_link(?MODULE, [], []),
Pid.
%% @private
call(Pid, Msg) ->
gen_server:call(Pid, Msg, infinity).
% @doc adds a player to a table
add_player(Table, Player) ->
call(Table, {add_player, Player}).
% @doc removes player form a table
remove_player(Table, Player) ->
call(Table, {remove_player, Player}).
% @doc stops the table process
stop(Table) ->
gen_server:cast(Table, stop).
% @doc notifies the table with a message from a player
notify(Table, Player, Message) ->
gen_server:cast(Table, {notify, Player, Message}).
notify_all_players(Table, Message) ->
gen_server:cast(Table, {notify_all_players, Message}).
notify_game(Table, From, Message) ->
gen_server:cast(Table, {notify_game, Message, From}).
%% ----------------------------------------------------------------------
%% @private
init([]) ->
GameVM = ggs_gamevm_e:start_link(self()), %% @TODO: Temporary erlang gamevm
{ok, #state {
game_vm = GameVM,
players = [] }}.
%% @private
handle_call({add_player, Player}, _From, #state { players = Players } = State) ->
{reply, ok, State#state { players = [Player | Players] }};
handle_call({remove_player, Player}, _From, #state { players = Players } = State) ->
{reply, ok, State#state { players = Players -- [Player] }};
handle_call(get_player_list, _From, #state { players = Players } = State) ->
{reply, {ok, Players}, State};
handle_call(Msg, _From, State) ->
error_logger:error_report([unknown_msg, Msg]),
{reply, ok, State}.
%% @private
handle_cast({notify, Player, Message}, #state { game_vm = GameVM } = State) ->
case Message of
{server, define, Args} ->
ggs_gamevm_e:define(GameVM, Args);
{game, Command, Args} ->
ggs_gamevm_e:user_command(GameVM, Player, Command, Args)
end,
{noreply, State};
handle_cast({notify_game, Message, From}, #state { game_vm = GameVM } = State) ->
io:format("notify_game message received~n"),
ggs_gamevm_e:user_command(GameVM, From, Message, ""),
{noreply, State};
handle_cast({notify_all_players, Message}, #state{players = Players} = State) ->
lists:foreach(
fun(P) -> ggs_player:notify(P, "Server", Message) end,
Players
),
{noreply, State};
handle_cast(stop, State) ->
{stop, normal, State};
handle_cast(Msg, S) ->
error_logger:error_report([unknown_msg, Msg]),
{noreply, S}.
%% @private
handle_info(Msg, S) ->
error_logger:error_report([unknown_msg, Msg]),
{noreply, S}.
%% @private
terminate(_Reason, _State) ->
ok.
%% @private
code_change(_OldVsn, State, _Extra) ->
{ok, State}.