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ERChess
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Kaj Bjorklund 10 years ago
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2 changed files with 37 additions and 34 deletions
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  1. 12
      chess.html
  2. 59
      chess.min.js

12
chess.html
View File

@ -4,7 +4,7 @@
<meta http-equiv="x-ua-compatible" content="IE=edge">
<meta charset="utf-8">
<title>Chess</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.10.0/themes/base/jquery-ui.css">
<link rel="stylesheet" href="https://code.jquery.com/ui/1.10.0/themes/base/jquery-ui.css">
<link rel="stylesheet" href="chess.css">
<link rel="shortcut icon" href="chess.ico">
</head>
@ -24,14 +24,14 @@
</div>
<div id="footer"></div>
<div id="dim"></div>
<script src="//code.jquery.com/jquery-1.9.0.min.js"></script>
<script src="//code.jquery.com/ui/1.10.0/jquery-ui.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jqueryui-touch-punch/0.2.2/jquery.ui.touch-punch.min.js"></script>
<!--[if lt IE 9]><script src="//cdnjs.cloudflare.com/ajax/libs/augment.js/1.0.0/augment.min.js"></script><![endif]-->
<script src="https://code.jquery.com/jquery-1.9.0.min.js"></script>
<script src="https://code.jquery.com/ui/1.10.0/jquery-ui.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui-touch-punch/0.2.2/jquery.ui.touch-punch.min.js"></script>
<!--[if lt IE 9]><script src="https://cdnjs.cloudflare.com/ajax/libs/augment.js/1.0.0/augment.min.js"></script><![endif]-->
<script src="chess.min.js"></script>
<script>
$(makeChessGame);
</script>
<a href="https://github.com/kbjorklu/chess"><img style="position: absolute; top: 0; right: 0; border: 0;" src="//s3.amazonaws.com/github/ribbons/forkme_right_gray_6d6d6d.png" alt="Fork me on GitHub"></a>
<a href="https://github.com/kbjorklu/chess"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_gray_6d6d6d.png" alt="Fork me on GitHub"></a>
</body>
</html>

59
chess.min.js
View File

@ -1,29 +1,32 @@
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function jb(a){function b(a){function b(a){var c=N(a)&4?(1+(a.a>>>19&7))/(1+O(a)):0,c=6*c+O(a),c=16*c+N(a),c=64*c+(a.a&63);return c=64*c+M(a)}a.sort(function(a,c){return b(c)-b(a)});return a}function d(a,c,g){if(Wa(a))return 0;var f,n;n=gb(a,0)-gb(a,1);f=hb(a,0)-hb(a,1);f=n+f;++e;if(n=0===a.c){if(f>=g)return g;c=f>c?f:c}else{if(f<=c)return c;g=f<g?f:g}f=b(S(a,!0,!T(a)));for(var l=0;l<f.length;++l)if(X(a,f[l])){var m=d(a,c,g);Y(a);if(n){if(m>=g)return g;c=m>c?m:c}else{if(m<=c)return c;g=m<g?m:g}}return n?
c:g}function c(a,e,g,f){if(1>e)return d(a,g,f);for(var n=b(S(a,!0,!1)),l=0===a.c,m=!1,D=0;D<n.length;++D)if(X(a,n[D])){var m=!0,ea=c(a,e-1,g,f);Y(a);l?g=ea>g?ea:g:f=ea<f?ea:f;if(f<=g)break}if(!m){if(!T(a))return 0;a=db[5];return l?-a:a}return Wa(a)?0:l?g:f}for(var e=0,f=null,g=-Infinity,n=Infinity,l=b(S(a,!0)),D=0;D<l.length;++D)if(X(a,l[D])){var m=c(a,3,g,n);Y(a);0===a.c?m>g&&(g=m,f=l[D]):m<n&&(n=m,f=l[D])}return f};function kb(){this.a=new P}
function lb(){var a=$("<table>"),b="<tr><th></th>"+"abcdefgh".split("").map(function(a){return'<th class="file">'+a+"</th>"}).join("")+"<th></th></tr>";a.append(b);for(var d=0;8>d;++d){var c=7-d,e=$("<tr>");a.append(e);var f='<th class="rank">'+(8-d)+"</th>";e.append(f);for(var g=0;8>g;++g){var n=$("<td>"),l=(c+g)%2?"light":"dark";n.attr("id",ba(c,g));n.attr("title","Algebraic: "+ba(c,g)+"\nRank: "+c+"\nFile: "+g+"\nIndex: "+(g+8*c)+"\nColor: "+l);n.addClass(l);e.append(n)}e.append(f)}a.append(b);$("#chessboard").append(a)}
function mb(){$("#chessboard table tr td, #chessboard table tr td div").removeClass("from to positional capture double-push en-passant promotion castle king-castle queen-castle")}function nb(){$("#chessboard table tr td div.ui-draggable").draggable("destroy");$("#chessboard table tr td.ui-droppable").droppable("destroy")}function ob(a,b){X(a.a,b);var d="#"+a.a.h().trim();1===a.a.c?window.history.pushState(null,b.h(),d):window.history.replaceState(null,b.h(),d)}
function pb(a){var b=S(a.a);$("#moves").html('<a href="#" id="undo" class="'+(a.a.g.length?"can":"cannot")+'">undo</a><br/><a href="#" id="auto" class="'+(0<b.length?"can":"cannot")+'">auto</a><br/>'+b.map(function(a,b){return'<a href="#" id="'+b+'">'+a.h()+"</a><br/>"}).join(""));$("#chessboard table tr td, #chessboard table tr td div").removeClass("can-move");b.forEach(function(a){a=$("#"+h(M(a)));a.add(a.children()).addClass("can-move")});var d=!1;$("#chessboard table tr td div.can-move").mouseenter(function(){if(!d){var c=
$(this),e=c.parent(),f=ca(""+e.attr("id")),e=e.add(c);e.toggleClass("from",b.some(function(a){return M(a)===f}));e.hasClass("from")&&(b.forEach(function(a){if(M(a)===f){var b=$("#"+h(a.a&63)),b=b.add(b.children());b.addClass("to");b.addClass(0===N(a)?"positional":"");b.addClass(N(a)&4?"capture":"");b.addClass(1===N(a)?"double-push":"");b.addClass(5===N(a)?"en-passant":"");b.addClass(N(a)&8?"promotion":"");b.addClass(Ia(a)?"castle":"");b.addClass(2===N(a)?"king-castle":"");b.addClass(3===N(a)?"queen-castle":
"")}}),nb(),$("#chessboard table tr td.to").droppable({drop:function(){var c=ca(""+$(this).attr("id")),d=b.filter(function(a){return M(a)===f&&(a.a&63)===c});0<d.length?(ob(a,d[0]),Z(a)):(mb(),nb())}}),c.draggable({start:function(){d=!0},stop:function(){d=!1},containment:"#chessboard table",zIndex:10,revert:"invalid"}))}}).mouseleave(function(){d||mb()});$("#moves a").click(function(){var c=$(this).attr("id");"undo"===c?(Y(a.a),Y(a.a),Z(a)):"auto"===c?qb(a):(ob(a,b[parseInt(c,10)]),Z(a))})}
function qb(a){$("#moves").html("");var b=$("#dim");b.fadeIn(function(){var d=jb(a.a);if(!d)throw Error("Move not found");ob(a,d);var c=$("#"+h(M(d))),d=$("#"+h(d.a&63)),e=d.offset().left-c.offset().left,f=d.offset().top-c.offset().top,g=c.children("div");g.css({position:"relative",top:"0px",left:"0px"});b.fadeOut(function(){g.animate({top:f+"px",left:e+"px"},function(){Z(a)})})})}
function Z(a){mb();nb();$("#chessboard table tr td div").remove();$("#chessboard table tr td").removeClass("white black turn last-move "+aa.join(" "));for(var b=a.a.a[6],d=a.a.a[7],c=0;64>c;++c)for(var e=$("#"+h(c)),f=0;5>=f;++f)if(!r(a.a.a[f],c)){var g=0===a.a.c?!r(b,c):!r(d,c),n=$("<div>");n.attr("title",e.attr("title")+"\nPiece: "+aa[f]+"\nColor: "+(r(b,c)?"black":"white"));n.text("\u2659\u265f\u2658\u265e\u2657\u265d\u2656\u265c\u2655\u265b\u2654\u265a".charAt(2*f+(r(b,c)?1:0)));var l=n.add(e);
l.addClass(aa[f]);l.toggleClass("white",!r(b,c));l.toggleClass("black",!r(d,c));l.toggleClass("turn",g);e.append(n);break}b=a.a;b=b.g.length?b.g[b.g.length-1]:null;null!==b&&($("#"+h(M(b))).addClass("last-move"),$("#"+h(b.a&63)).addClass("last-move"));b=a.a;b=S(b).length?100<=b.j?3:Ua(b)?4:Va(b)?5:0:T(b)?1:2;0===b&&1===a.a.c?qb(a):(pb(a),$("#dim").css({display:"none"}),1===b?$("#moves").append("&#35;<br/>"+(a.a.c?"1-0":"0-1")):0!==b&&$("#moves").append("&frac12;-&frac12;"))}
kb.prototype.b=function(){var a=window.location.href.split("#");this.a=1<a.length?cb(a[1]):new P;Z(this)};window.makeChessGame=function(){lb();var a=new kb;a.b();Z(a);window.onpopstate=a.b.bind(a)};})();

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