+(function() {
+
+var board = [];
var arrows = [];
var arrow_targets = [];
var occupied_by_arrows = [];
+var ims = 0;
+var highlight_from = undefined;
+var highlight_to = undefined;
+var unique = Math.random();
-var request_update = function(board, first) {
+var request_update = function(board) {
$.ajax({
- //url: "http://analysis.sesse.net/analysis.pl?first=" + first
- url: "http://analysis.sesse.net:5000/analysis.pl?first=" + first
- }).done(function(data) {
- update_board(board, data);
+ url: "http://analysis.sesse.net/analysis.pl?ims=" + ims + "&unique=" + unique
+ //url: "http://analysis.sesse.net:5000/analysis.pl?ims=" + ims + "&unique=" + unique
+ }).done(function(data, textstatus, xhr) {
+ ims = xhr.getResponseHeader('X-Remoteglot-Last-Modified');
+ var num_viewers = xhr.getResponseHeader('X-Remoteglot-Num-Viewers');
+ update_board(board, data, num_viewers);
+ }).fail(function() {
+ // Wait ten seconds, then try again.
+ setTimeout(function() { request_update(board); }, 10000);
});
}
var clear_arrows = function() {
for (var i = 0; i < arrows.length; ++i) {
- jsPlumb.detach(arrows[i]);
+ jsPlumb.detach(arrows[i].connection1);
+ jsPlumb.detach(arrows[i].connection2);
}
arrows = [];
}
}
+var redraw_arrows = function() {
+ for (var i = 0; i < arrows.length; ++i) {
+ position_arrow(arrows[i]);
+ }
+}
+
var sign = function(x) {
if (x > 0) {
return 1;
arrow_targets.push(elem);
return elem.id;
}
+
+var position_arrow = function(arrow) {
+ var zoom_factor = $("#board").width() / 400.0;
+ var line_width = arrow.line_width * zoom_factor;
+ var arrow_size = arrow.arrow_size * zoom_factor;
-var create_arrow = function(from_square, to_square, fg_color, line_width, arrow_size) {
- var from_col = from_square.charCodeAt(0) - "a1".charCodeAt(0);
- var from_row = from_square.charCodeAt(1) - "a1".charCodeAt(1);
- var to_col = to_square.charCodeAt(0) - "a1".charCodeAt(0);
- var to_row = to_square.charCodeAt(1) - "a1".charCodeAt(1);
-
- var from_y = (7 - from_row)*49 + 25;
- var to_y = (7 - to_row)*49 + 25;
- var from_x = from_col*49 + 25;
- var to_x = to_col*49 + 25;
+ var square_width = $(".square-a8").width();
+ var from_y = (7 - arrow.from_row + 0.5)*square_width;
+ var to_y = (7 - arrow.to_row + 0.5)*square_width;
+ var from_x = (arrow.from_col + 0.5)*square_width;
+ var to_x = (arrow.to_col + 0.5)*square_width;
var dx = to_x - from_x;
var dy = to_y - from_y;
var len = Math.sqrt(dx * dx + dy * dy);
dx /= len;
dy /= len;
-
- // Create arrow.
- var s1 = add_target();
- var d1 = add_target();
- var s1v = add_target();
- var d1v = add_target();
- var pos = $("#board").position();
- $("#" + s1).css({ top: pos.top + from_y + (0.5 * arrow_size) * dy, left: pos.left + from_x + (0.5 * arrow_size) * dx });
- $("#" + d1).css({ top: pos.top + to_y - (0.5 * arrow_size) * dy, left: pos.left + to_x - (0.5 * arrow_size) * dx });
- $("#" + s1v).css({ top: pos.top + from_y - 0 * dy, left: pos.left + from_x - 0 * dx });
- $("#" + d1v).css({ top: pos.top + to_y + 0 * dy, left: pos.left + to_x + 0 * dx });
- var connection1 = jsPlumb.connect({
- source: s1,
- target: d1,
+ var pos = $(".square-a8").position();
+ $("#" + arrow.s1).css({ top: pos.top + from_y + (0.5 * arrow_size) * dy, left: pos.left + from_x + (0.5 * arrow_size) * dx });
+ $("#" + arrow.d1).css({ top: pos.top + to_y - (0.5 * arrow_size) * dy, left: pos.left + to_x - (0.5 * arrow_size) * dx });
+ $("#" + arrow.s1v).css({ top: pos.top + from_y - 0 * dy, left: pos.left + from_x - 0 * dx });
+ $("#" + arrow.d1v).css({ top: pos.top + to_y + 0 * dy, left: pos.left + to_x + 0 * dx });
+
+ if (arrow.connection1) {
+ jsPlumb.detach(arrow.connection1);
+ }
+ if (arrow.connection2) {
+ jsPlumb.detach(arrow.connection2);
+ }
+ arrow.connection1 = jsPlumb.connect({
+ source: arrow.s1,
+ target: arrow.d1,
connector:["Straight"],
cssClass:"c1",
endpoint:"Blank",
anchor:"Continuous",
paintStyle:{
lineWidth:line_width,
- strokeStyle:fg_color,
+ strokeStyle:arrow.fg_color,
outlineWidth:1,
outlineColor:"#666",
opacity:"60%"
}
- });
- var connection2 = jsPlumb.connect({
- source: s1v,
- target: d1v,
+ });
+ arrow.connection2 = jsPlumb.connect({
+ source: arrow.s1v,
+ target: arrow.d1v,
connector:["Straight"],
cssClass:"vir",
endpoint:"Blank",
anchor:"Continuous",
paintStyle:{
lineWidth:0,
- strokeStyle:fg_color,
+ strokeStyle:arrow.fg_color,
outlineWidth:0,
outlineColor:"#666",
},
["Arrow", {
cssClass:"l1arrow",
location:1.0,
- width: arrow_size, length: arrow_size,
- paintStyle:{
+ width: arrow_size,
+ length: arrow_size,
+ paintStyle: {
lineWidth:line_width,
strokeStyle:"#000",
},
}]
]
});
- arrows.push(connection1);
- arrows.push(connection2);
+}
+
+var create_arrow = function(from_square, to_square, fg_color, line_width, arrow_size) {
+ var from_col = from_square.charCodeAt(0) - "a1".charCodeAt(0);
+ var from_row = from_square.charCodeAt(1) - "a1".charCodeAt(1);
+ var to_col = to_square.charCodeAt(0) - "a1".charCodeAt(0);
+ var to_row = to_square.charCodeAt(1) - "a1".charCodeAt(1);
+
+ // Create arrow.
+ var arrow = {
+ s1: add_target(),
+ d1: add_target(),
+ s1v: add_target(),
+ d1v: add_target(),
+ from_col: from_col,
+ from_row: from_row,
+ to_col: to_col,
+ to_row: to_row,
+ line_width: line_width,
+ arrow_size: arrow_size,
+ fg_color: fg_color
+ };
+
+ position_arrow(arrow);
+ arrows.push(arrow);
}
// Fake multi-PV using the refutation lines. Find all “relevant” moves,
var best_score = undefined;
var pv_score = undefined;
for (var move in data.refutation_lines) {
- var score = data.refutation_lines[move].score_sort_key;
+ var score = parseInt(data.refutation_lines[move].score_sort_key);
if (move == data.pv_uci[0]) {
pv_score = score;
}
// The PV move will always be first.
var moves = [];
for (var move in data.refutation_lines) {
- var score = data.refutation_lines[move].score_sort_key;
+ var score = parseInt(data.refutation_lines[move].score_sort_key);
if (move != data.pv_uci[0] && best_score - score <= margin) {
moves.push(move);
}
}
- moves = moves.sort(function(a, b) { return data.refutation_lines[b].score_sort_key - data.refutation_lines[a].score_sort_key; });
+ moves = moves.sort(function(a, b) { return parseInt(data.refutation_lines[b].score_sort_key) - parseInt(data.refutation_lines[a].score_sort_key); });
moves.unshift(data.pv_uci[0]);
return moves;
if (ska > skb) return 1;
return 0;
};
+
+var update_highlight = function() {
+ $("#board").find('.square-55d63').removeClass('nonuglyhighlight');
+ if (highlight_from !== undefined && highlight_to !== undefined) {
+ $("#board").find('.square-' + highlight_from).addClass('nonuglyhighlight');
+ $("#board").find('.square-' + highlight_to).addClass('nonuglyhighlight');
+ }
+}
-var update_board = function(board, data) {
+var update_board = function(board, data, num_viewers) {
// The headline.
var headline = 'Analysis';
if (data.position.last_move !== 'none') {
headline += '… ';
}
headline += data.position.last_move;
- if (data.id.name) {
- headline += ', ';
- }
}
- if (data.id.name) {
- headline += ' by ' + data.id.name; // + ':';
+ $("#headline").text(headline);
+
+ if (num_viewers === null) {
+ $("#numviewers").text("");
+ } else if (num_viewers == 1) {
+ $("#numviewers").text("You are the only current viewer");
} else {
- //headline += ':';
+ $("#numviewers").text(num_viewers + " current viewers");
}
- $("#headline").text(headline);
// The score.
if (data.score !== null) {
// Update the board itself.
board.position(data.position.fen);
- $("#board").find('.square-55d63').removeClass('nonuglyhighlight');
if (data.position.last_move_uci) {
- var from = data.position.last_move_uci.substr(0, 2);
- var to = data.position.last_move_uci.substr(2, 4);
- $("#board").find('.square-' + from).addClass('nonuglyhighlight');
- $("#board").find('.square-' + to).addClass('nonuglyhighlight');
+ highlight_from = data.position.last_move_uci.substr(0, 2);
+ highlight_to = data.position.last_move_uci.substr(2, 4);
+ } else {
+ highlight_from = highlight_to = undefined;
}
+ update_highlight();
// Print the PV.
var pv = print_pv(data.pv_pretty, data.position.move_num, data.position.toplay);
}
// Next update.
- setTimeout(function() { request_update(board, 0); }, 100);
+ setTimeout(function() { request_update(board); }, 100);
}
var init = function() {
// Create board.
- var board = new ChessBoard('board', 'start');
-
- request_update(board, 1);
+ board = new ChessBoard('board', 'start');
+ request_update(board);
+ $(window).resize(function() {
+ board.resize();
+ update_highlight();
+ redraw_arrows();
+ });
};
$(document).ready(init);
+
+})();