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|
(**************************************************************************)
(* Lablgtk - Examples *)
(* *)
(* This code is in the public domain. *)
(* You may freely copy parts of it in your application. *)
(* *)
(**************************************************************************)
(* $Id$ *)
(* Tron? Game *)
open GMain
let m_pi = acos (-1.)
let clRed = `NAME "red" (* `BLACK *)
let clBlue = `NAME "blue" (* `WHITE *)
let clBlack = `BLACK
type point = {mutable x: int; mutable y: int}
let main () =
(* Game State *)
let gameSize = 64 in
let gameState =
Array.make_matrix (gameSize+2) (gameSize+2) 0 in
let gameInit _ =
for i=1 to gameSize do
for j=1 to gameSize do
gameState.(i).(j) <- 0;
done
done;
for i=0 to gameSize do
gameState.(0).(i) <- 3; (* left wall *)
gameState.(i).(gameSize+1) <- 3; (* floor *)
gameState.(gameSize+1).(i+1) <- 3; (* right wall *)
gameState.(i+1).(0) <- 3 (* ceiling *)
done in
gameInit ();
let lpos = {x=4; y=4} in
let lspeed = {x=0; y=1} in
let rpos = {x=gameSize-3; y=gameSize-3} in
let rspeed = {x=0; y= -1} in
let keys = Bytes.of_string "asdfhjkl" in
let keyMapL = [|(-1, 0); (0, -1); (0, 1); (1, 0)|] in
let keyMapR = [|(-1, 0); (0, 1); (0, -1); (1, 0)|] in
(* User Interface *)
let window = GWindow.window ~border_width:10 ~title:"tron(?)" () in
window#event#connect#delete
~callback:(fun _ -> prerr_endline "Delete event occured"; false);
window#connect#destroy ~callback:Main.quit;
let vbx = GPack.vbox ~packing:window#add () in
let area = GMisc.drawing_area ~width:((gameSize+2)*4) ~height:((gameSize+2)*4)
~packing:vbx#add () in
let drawing = area#misc#realize (); new GDraw.drawable (area#misc#window) in
let style = area#misc#style#copy in
style#set_bg [`NORMAL,`WHITE];
area#misc#set_style style;
drawing#set_background `WHITE;
let area_expose _ =
for i=0 to gameSize+1 do
for j=0 to gameSize+1 do
if gameState.(i).(j) = 1 then begin
drawing#set_foreground clRed;
drawing#rectangle ~filled:true ~x:(i*4) ~y:(j*4) ~width:4 ~height:4 ()
end
else if gameState.(i).(j) = 2 then begin
drawing#set_foreground clBlue;
drawing#rectangle ~filled:true ~x:(i*4) ~y:(j*4) ~width:4 ~height:4 ()
end
else if gameState.(i).(j) = 3 then begin
drawing#set_foreground clBlack;
drawing#rectangle ~filled:true ~x:(i*4) ~y:(j*4) ~width:4 ~height:4 ()
end
done
done;
false
in
area#event#connect#expose ~callback:area_expose;
let control = GPack.table ~rows:3 ~columns:7 ~packing:vbx#pack () in
let abuttonClicked num (lbl : GMisc.label) _ = begin
let dialog = GWindow.window ~border_width:10 ~title:"Key remap" () in
let dvbx = GPack.box `VERTICAL ~packing:dialog#add () in
let entry = GEdit.entry ~max_length:1 ~packing: dvbx#add () in
let txt = String.make 1 (Bytes.get keys num) in
entry#set_text txt;
let dquit = GButton.button ~label:"OK" ~packing: dvbx#add () in
dquit#connect#clicked ~callback:
begin fun _ ->
let chr = entry#text.[0] in
let txt2 = String.make 1 chr in
lbl#set_text txt2;
Bytes.set keys num chr;
dialog#destroy ()
end;
dialog#show ()
end in
let attach = control#attach ~expand:`BOTH in
let new_my_button ~label:label ~left:left ~top:top =
let str = String.make 1 (Bytes.get keys label) in
let btn = GButton.button ~packing:(attach ~left:left ~top:top) () in
let lbl = GMisc.label ~text:str ~packing:(btn#add) () in
btn#connect#clicked ~callback:(abuttonClicked label lbl);
btn
in
new_my_button ~label:0 ~left:1 ~top:2;
new_my_button ~label:1 ~left:2 ~top:1;
new_my_button ~label:2 ~left:2 ~top:3;
new_my_button ~label:3 ~left:3 ~top:2;
new_my_button ~label:4 ~left:5 ~top:2;
new_my_button ~label:5 ~left:6 ~top:3;
new_my_button ~label:6 ~left:6 ~top:1;
new_my_button ~label:7 ~left:7 ~top:2;
let quit =
GButton.button ~label:"Quit" ~packing:(attach ~left:4 ~top:2) () in
quit#connect#clicked ~callback:window#destroy;
let message = GMisc.label ~text:"tron(?) game" ~packing:vbx#pack () in
let game_step () =
let lx = lpos.x in let ly = lpos.y in
gameState.(lx).(ly) <- 1;
drawing#set_foreground clRed;
drawing#rectangle ~filled:true ~x:(lx*4) ~y:(ly*4) ~width:4 ~height:4 ();
let rx = rpos.x in let ry = rpos.y in
gameState.(rx).(ry) <- 2;
drawing#set_foreground clBlue;
drawing#rectangle ~filled:true ~x:(rx*4) ~y:(ry*4) ~width:4 ~height:4 ()
in
game_step ();
let keyDown ev = begin
let key = GdkEvent.Key.keyval ev in
for i=0 to (Array.length keyMapL)-1 do
let (x, y) = keyMapL.(i) in
let k = Bytes.get keys i in
if key = Char.code k then begin
lspeed.x <- x;
lspeed.y <- y
end;
let (x, y) = keyMapR.(i) in
let k = Bytes.get keys (i+4) in
if key = Char.code k then begin
rspeed.x <- x;
rspeed.y <- y
end
done;
false end in
window#event#connect#key_press ~callback:keyDown;
let safe_check _ =
if lpos.x == rpos.x && lpos.y == rpos.y then
3
else
(* player 1 *)
(if gameState.(lpos.x).(lpos.y) != 0 then 2 else 0)
+
(* player 2 *)
(if gameState.(rpos.x).(rpos.y) != 0 then 1 else 0)
in
let timerID = ref (* dummy *) (Timeout.add ~ms:100 ~callback:(fun _ -> true)) in
let timerTimer _ = begin
lpos.x <- lpos.x+lspeed.x;
lpos.y <- lpos.y+lspeed.y;
rpos.x <- rpos.x+rspeed.x;
rpos.y <- rpos.y+rspeed.y;
let result = safe_check() in
if result!=0 then begin
Timeout.remove (!timerID);
message#set_text ("player "^string_of_int result^" won.")
end
else begin
game_step()
end;
true
end in
let count = ref 3 in
let timerTimer2 _ = begin
(* message#set_label (string_of_int (!count)); *)
if (!count==0) then begin
Timeout.remove (!timerID);
timerID := Timeout.add ~ms:100 ~callback:timerTimer
end
else begin
count := !count-1;
end;
true
end in
let restartClicked () =
Timeout.remove !timerID;
gameInit();
lpos.x <- 4; lpos.y <- 4;
lspeed.x <- 0; lspeed.y <- 1;
rpos.x <- gameSize-3; rpos.y <- gameSize-3;
rspeed.x <- 0; rspeed.y <- -1;
drawing#set_foreground `WHITE;
drawing#rectangle ~filled:true ~x:0 ~y:0
~width:((gameSize+2)*4) ~height:((gameSize+2)*4) ();
area_expose();
count := 3;
timerID := Timeout.add ~ms:300 ~callback:timerTimer2;
in
let restart =
GButton.button ~label: "Restart" ~packing:(attach ~left:4 ~top:3) () in
restart#connect#clicked ~callback:restartClicked;
restartClicked ();
window#show ();
Main.main ()
let _ = Printexc.print main ()
|
