justnukeit/main.ml.old

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OCaml
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(* vim: set ts=2 sw=2 et : *)
open Event;;
type notification_t =
| Graphics_status of Graphics.status
| Tick
;;
type game_event_t =
| MoveLeft
| MoveRight
| MoveUp
| MoveDown
| Action
| ActionTwo
| Help
| Quit
| NoEvent
;;
let dispatch_status optstatus =
let dispatch_keypress key =
match key with
| 'q' -> Quit
| _ ->
Printf.printf "Unknown action for key (%c)\n" key;
NoEvent
in
match optstatus with
| None -> (* only draw *)
NoEvent
| Some st -> (* react depending on sort *)
if st.Graphics.keypressed then dispatch_keypress st.Graphics.key
else NoEvent
;;
let e_receive chan =
Event.sync ( Event.receive chan )
;;
let e_send chan data =
Event.sync ( Event.send chan data )
;;
let tick_run pfd_out req_channel notif_channel =
let buf = String.make 1 ' ' in
while true do
let delay = e_receive req_channel in
try
ignore ( ThreadUnix.timed_read pfd_out buf 0 1 delay );
ignore ( e_send notif_channel Tick );
with
| Unix.Unix_error(Unix.ETIMEDOUT,_,_) ->
ignore ( e_send notif_channel Tick );
done
;;
let graphic_run listen_lst notif_channel =
while true do
let event =
Graphics.wait_next_event listen_lst
in
ignore (e_send notif_channel (Graphics_status event));
done
;;
let game_loop () =
let ( pfd_out, pfd_in ) = Unix.pipe ()
and tick_request_channel = Event.new_channel ()
and tick_notification_channel = Event.new_channel ()
and graphic_notification_channel = Event.new_channel ()
in
let tick_listener = tick_run pfd_out tick_request_channel
and graphic_listener = graphic_run [Graphics.Key_pressed]
in
let thr_tick = Thread.create tick_listener tick_notification_channel
and thr_input = Thread.create graphic_listener graphic_notification_channel
in
let ack () =
ignore ( Unix.write pfd_in "." 0 1 )
in
let time_wait_next_event time lst =
e_send tick_request_channel time;
match Event.select [Event.receive tick_notification_channel;
Event.receive graphic_notification_channel]
with
| Tick -> None
| Graphics_status status ->
ack ();
ignore( e_receive tick_notification_channel );
Some status
in
let continue = ref true
in
while !continue do
let opt_status = time_wait_next_event 0.05 [Graphics.Key_pressed]
in
match dispatch_status opt_status with
| MoveLeft -> print_string "Move Left...\n";
| MoveRight -> print_string "Move Right...\n";
| MoveUp -> print_string "Move up\n";
| MoveDown -> print_string "Move down\n";
| Action -> print_string "Action\n";
| ActionTwo -> print_string "ActionTwo\n";
| Help -> print_string "Help\n";
| NoEvent -> ();
| Quit ->
continue := false ;
print_string "Exiting...\n";
| _ -> print_string "nothing...\n";
done
;;
let main () =
let player1 = Player.create ()
and map1 = Maze.create ()
in
ignore player1 ;
ignore map1 ;
Graphics.open_graph " 320x200+50+50";
Graphics.set_window_title "Just Nuke It";
game_loop ();
Graphics.close_graph ()
;;
main ();