--module(time).
+-module(life_time).
-behaviour(gen_server).
%% API
--export([start_link/2
+-export([start_link/3
,tock/2
]).
]).
--define(INTERVAL, 0). % In milliseconds
+-define(INTERVAL, 100). % In milliseconds
-define(CHAR_DEAD, 32). % Space
-define(CHAR_ALIVE, 111). % o
--define(CHAR_BAR, 61). % =
+-define(CHAR_BAR, 45). % -
-record(state, {x :: integer()
+ ,y :: integer()
,cells :: list(atom())
,num_cells :: integer()
,state_pairs :: list(tuple(integer(), integer())) | []
%% API
%% ============================================================================
-start_link(X, Cells) ->
+start_link(X, Y, Cells) ->
ServerName = {local, ?MODULE},
- Args = [X, Cells],
+ Args = [X, Y, Cells],
Opts = [],
gen_server:start_link(ServerName, ?MODULE, Args, Opts).
%% Callbacks
%% ============================================================================
-init([X, Cells]) ->
+init([X, Y, Cells]) ->
State = #state{x=X
+ ,y=Y
,cells=Cells
,num_cells=length(Cells)
,state_pairs=[]
handle_cast({tock, {ID, CellState}},
#state{x=X
+ ,y=Y
,state_pairs=StatePairs
,replies_pending=RepliesPending
,gen_count=GenCount
case NewRepliesPending of
0 ->
NewGenCount = GenCount + 1,
- SortedStatePairs = lists:sort(NewStatePairs),
+ SortedStatePairs = lists:sort(
+ fun({A, _}, {B, _}) -> A < B end,
+ NewStatePairs
+ ),
StateChars = [state_to_char(S) || {_, S} <- SortedStatePairs],
- ok = do_print_bar(X),
+
ok = io:format(
- "CELLS: ~b GENERATIONS: ~b~n",
- [NumCells, NewGenCount]
+ "X: ~b Y: ~b CELLS: ~b GENERATIONS: ~b~n",
+ [X, Y, NumCells, NewGenCount]
),
ok = do_print_bar(X),
+
ok = do_print_state_chars(X, StateChars),
- ok = do_print_bar(X),
+
ok = timer:sleep(?INTERVAL),
schedule_next_tick(),
{noreply, NewState#state{state_pairs=[], gen_count=NewGenCount}};