var arrows = [];
var arrow_targets = [];
var occupied_by_arrows = [];
-
-var request_update = function(board, first) {
+var refutation_lines = [];
+var move_num = 1;
+var toplay = 'W';
+var ims = 0;
+var sort_refutation_lines_by_score = 0;
+var highlight_from = undefined;
+var highlight_to = undefined;
+var unique = Math.random();
+
+var request_update = function(board) {
$.ajax({
- //url: "http://analysis.sesse.net/analysis.pl?first=" + first
- url: "http://analysis.sesse.net:5000/analysis.pl?first=" + first
- }).done(function(data) {
- update_board(board, data);
+ url: "http://analysis.sesse.net/analysis.pl?ims=" + ims + "&unique=" + unique
+ //url: "http://analysis.sesse.net:5000/analysis.pl?ims=" + ims + "&unique=" + unique
+ }).done(function(data, textstatus, xhr) {
+ ims = xhr.getResponseHeader('X-Remoteglot-Last-Modified');
+ var num_viewers = xhr.getResponseHeader('X-Remoteglot-Num-Viewers');
+ update_board(board, data, num_viewers);
+ }).fail(function() {
+ // Wait ten seconds, then try again.
+ setTimeout(function() { request_update(board); }, 10000);
});
}
var line_width = arrow.line_width * zoom_factor;
var arrow_size = arrow.arrow_size * zoom_factor;
- var square_width = Math.floor(($("#board").width() - 1) / 8);
- var from_y = (7 - arrow.from_row + 0.5)*square_width + 1;
- var to_y = (7 - arrow.to_row + 0.5)*square_width + 1;
- var from_x = (arrow.from_col + 0.5)*square_width + 1;
- var to_x = (arrow.to_col + 0.5)*square_width + 1;
+ 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;
- var pos = $("#board").position();
+ 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 });
arrows.push(arrow);
}
+var compare_by_sort_key = function(refutation_lines, toplay, a, b) {
+ var ska = refutation_lines[a].sort_key;
+ var skb = refutation_lines[b].sort_key;
+ if (ska < skb) return -1;
+ if (ska > skb) return 1;
+ return 0;
+};
+
+var compare_by_score = function(refutation_lines, toplay, a, b) {
+ var sa = parseInt(refutation_lines[b].score_sort_key);
+ var sb = parseInt(refutation_lines[a].score_sort_key);
+ if (toplay == 'B') {
+ return sb - sa;
+ } else {
+ return sa - sb;
+ }
+}
+
// Fake multi-PV using the refutation lines. Find all “relevant” moves,
// sorted by quality, descending.
var find_nonstupid_moves = function(data, margin) {
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 compare_by_score(data.refutation_lines, a, b) });
moves.unshift(data.pv_uci[0]);
return moves;
return pv;
}
-var compare_by_sort_key = function(data, a, b) {
- var ska = data.refutation_lines[a].sort_key;
- var skb = data.refutation_lines[b].sort_key;
- if (ska < skb) return -1;
- 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_refutation_lines = function(board) {
+ var tbl = $("#refutationlines");
+ tbl.empty();
+
+ moves = [];
+ for (var move in refutation_lines) {
+ moves.push(move);
+ }
+ var compare = sort_refutation_lines_by_score ? compare_by_score : compare_by_sort_key;
+ moves = moves.sort(function(a, b) { return compare(refutation_lines, toplay, a, b) });
+ for (var i = 0; i < moves.length; ++i) {
+ var line = refutation_lines[moves[i]];
+
+ var tr = document.createElement("tr");
+
+ var move_td = document.createElement("td");
+ tr.appendChild(move_td);
+ $(move_td).addClass("move");
+ $(move_td).text(line.pretty_move);
+
+ var score_td = document.createElement("td");
+ tr.appendChild(score_td);
+ $(score_td).addClass("score");
+ $(score_td).text(line.pretty_score);
+
+ var depth_td = document.createElement("td");
+ tr.appendChild(depth_td);
+ $(depth_td).addClass("depth");
+ $(depth_td).text("d" + line.depth);
+
+ var pv_td = document.createElement("td");
+ tr.appendChild(pv_td);
+ $(pv_td).addClass("pv");
+ $(pv_td).text(print_pv(line.pv_pretty, move_num, toplay, 10));
-var update_board = function(board, data) {
+ tbl.append(tr);
+ }
+
+ // Make one of the links clickable and the other nonclickable.
+ if (sort_refutation_lines_by_score) {
+ $("#sortbyscore0").html("<a href=\"javascript:resort_refutation_lines(0)\">Move</a>");
+ $("#sortbyscore1").html("<strong>Score</strong>");
+ } else {
+ $("#sortbyscore0").html("<strong>Move</strong>");
+ $("#sortbyscore1").html("<a href=\"javascript:resort_refutation_lines(1)\">Score</a>");
+ }
+}
+
+var update_board = function(board, data, num_viewers) {
// The headline.
var headline = 'Analysis';
if (data.position.last_move !== 'none') {
$("#headline").text(headline);
+ if (num_viewers === null) {
+ $("#numviewers").text("");
+ } else if (num_viewers == 1) {
+ $("#numviewers").text("You are the only current viewer");
+ } else {
+ $("#numviewers").text(num_viewers + " current viewers");
+ }
+
// The score.
if (data.score !== null) {
$("#score").text(data.score);
// 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);
}
}
- // Show the refutation lines.
- var tbl = $("#refutationlines");
- tbl.empty();
-
- moves = [];
- for (var move in data.refutation_lines) {
- moves.push(move);
- }
- moves = moves.sort(function(a, b) { return compare_by_sort_key(data, a, b) });
- for (var i = 0; i < moves.length; ++i) {
- var line = data.refutation_lines[moves[i]];
-
- var tr = document.createElement("tr");
-
- var move_td = document.createElement("td");
- tr.appendChild(move_td);
- $(move_td).addClass("move");
- $(move_td).text(line.pretty_move);
-
- var score_td = document.createElement("td");
- tr.appendChild(score_td);
- $(score_td).addClass("score");
- $(score_td).text(line.pretty_score);
-
- var depth_td = document.createElement("td");
- tr.appendChild(depth_td);
- $(depth_td).addClass("depth");
- $(depth_td).text("d" + line.depth);
-
- var pv_td = document.createElement("td");
- tr.appendChild(pv_td);
- $(pv_td).addClass("pv");
- $(pv_td).text(print_pv(line.pv_pretty, data.position.move_num, data.position.toplay, 10));
-
- tbl.append(tr);
- }
+ // Update the refutation lines.
+ move_num = data.position.move_num;
+ toplay = data.position.toplay;
+ refutation_lines = data.refutation_lines;
+ update_refutation_lines(board);
// Next update.
- setTimeout(function() { request_update(board, 0); }, 100);
+ setTimeout(function() { request_update(board); }, 100);
+}
+
+var resort_refutation_lines = function(sort_by_score) {
+ sort_refutation_lines_by_score = sort_by_score;
+ update_refutation_lines(board);
}
var init = function() {
// Create board.
board = new ChessBoard('board', 'start');
- request_update(board, 1);
+ request_update(board);
$(window).resize(function() {
board.resize();
+ update_highlight();
redraw_arrows();
});
};