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