X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=www%2Fjs%2Fremoteglot.js;h=f88e1e0dabaa6fbbdbe0bae0fee9ea6c39fddd85;hp=b42aa8e4ce0eb139e18ff95be8d28dd5d58b9aa1;hb=80b7eedfd414c122038def7ec9e229766219be92;hpb=aacc612ada3aa00ac9db0bbf785ea7b464deb344
diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index b42aa8e..f88e1e0 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -48,8 +48,8 @@ var highlight_to = undefined;
/** @type {?jQuery} @private */
var highlighted_move = null;
-/** @type {!number} @private */
-var unique = Math.random();
+/** @type {?number} @private */
+var unique = null;
/** The current position on the board, represented as a FEN string.
* @type {?string}
@@ -76,6 +76,28 @@ var current_display_line = null;
/** @type {?number} @private */
var current_display_move = null;
+var supports_html5_storage = function() {
+ try {
+ return 'localStorage' in window && window['localStorage'] !== null;
+ } catch (e) {
+ return false;
+ }
+}
+
+// Make the unique token persistent so people refreshing the page won't count twice.
+// Of course, you can never fully protect against people deliberately wanting to spam.
+var get_unique = function() {
+ var use_local_storage = supports_html5_storage();
+ if (use_local_storage && localStorage['unique']) {
+ return localStorage['unique'];
+ }
+ var unique = Math.random();
+ if (use_local_storage) {
+ localStorage['unique'] = unique;
+ }
+ return unique;
+}
+
var request_update = function() {
$.ajax({
url: "http://analysis.sesse.net/analysis.pl?ims=" + ims + "&unique=" + unique
@@ -407,7 +429,7 @@ var add_pv = function(fen, uci_pv, pretty_pv, move_num, toplay, opt_limit, opt_s
var print_pv = function(line_num, pretty_pv, move_num, toplay, opt_limit, opt_showlast) {
var pv = '';
var i = 0;
- if (opt_limit && opt_showlast) {
+ if (opt_limit && opt_showlast && pretty_pv.length > opt_limit) {
// Truncate the PV at the beginning (instead of at the end).
// We assume here that toplay is 'W'. We also assume that if
// opt_showlast is set, then it is the history, and thus,
@@ -418,7 +440,7 @@ var print_pv = function(line_num, pretty_pv, move_num, toplay, opt_limit, opt_sh
++i;
}
move_num += i / 2;
- } else if (toplay == 'B') {
+ } else if (toplay == 'B' && pretty_pv.length > 0) {
var move = "" + pretty_pv[0] + "";
pv = move_num + '. ⦠' + move;
toplay = 'W';
@@ -455,7 +477,7 @@ var update_highlight = function() {
}
var update_history = function() {
- if (display_lines[0] === null) {
+ if (display_lines[0] === null || display_lines[0].pretty_pv.length == 0) {
$("#history").html("No history");
} else if (truncate_display_history) {
$("#history").html(print_pv(0, display_lines[0].pretty_pv, 1, 'W', 8, true));
@@ -579,9 +601,16 @@ var update_board = function(data, num_viewers) {
if (data['score'] !== null) {
$("#score").text(data['score']);
}
+ if (data['short_score'] !== undefined && data['short_score'] !== null) {
+ document.title = '(' + data['short_score'] + ') analysis.sesse.net';
+ } else {
+ document.title = 'analysis.sesse.net';
+ }
// The search stats.
- if (data['nodes'] && data['nps'] && data['depth']) {
+ if (data['tablebase'] == 1) {
+ $("#searchstats").text("Tablebase result");
+ } else if (data['nodes'] && data['nps'] && data['depth']) {
var stats = thousands(data['nodes']) + ' nodes, ' + thousands(data['nps']) + ' nodes/sec, depth ' + data['depth'] + ' ply';
if (data['seldepth']) {
stats += ' (' + data['seldepth'] + ' selective)';
@@ -595,6 +624,8 @@ var update_board = function(data, num_viewers) {
}
$("#searchstats").text(stats);
+ } else {
+ $("#searchstats").text("");
}
// Update the board itself.
@@ -603,7 +634,7 @@ var update_board = function(data, num_viewers) {
if (data['position']['last_move_uci']) {
highlight_from = data['position']['last_move_uci'].substr(0, 2);
- highlight_to = data['position']['last_move_uci'].substr(2, 4);
+ highlight_to = data['position']['last_move_uci'].substr(2, 2);
} else {
highlight_from = highlight_to = undefined;
}
@@ -627,7 +658,7 @@ var update_board = function(data, num_viewers) {
for (var i = 0; i < data['pv_uci'].length; i += 2) {
var from = data['pv_uci'][i].substr(0, 2);
var to = data['pv_uci'][i].substr(2,4);
- if ((i >= 2 && from != data['pv_uci'][i - 2].substr(2, 4)) ||
+ if ((i >= 2 && from != data['pv_uci'][i - 2].substr(2, 2)) ||
interfering_arrow(from, to)) {
break;
}
@@ -637,7 +668,7 @@ var update_board = function(data, num_viewers) {
var alt_moves = find_nonstupid_moves(data, 30);
for (var i = 1; i < alt_moves.length && i < 3; ++i) {
create_arrow(alt_moves[i].substr(0, 2),
- alt_moves[i].substr(2, 4), '#f66', 1, 10);
+ alt_moves[i].substr(2, 2), '#f66', 1, 10);
}
}
@@ -668,7 +699,7 @@ var update_board = function(data, num_viewers) {
if (nonstupid_moves.length > 0 && response !== undefined) {
create_arrow(response.substr(0, 2),
- response.substr(2, 4), '#66f', 6, 20);
+ response.substr(2, 2), '#66f', 6, 20);
}
}
@@ -749,7 +780,7 @@ var update_displayed_line = function() {
$("#linenav").show();
$("#linemsg").hide();
- if (current_display_move == 0) {
+ if (current_display_move <= 0) {
$("#prevmove").html("Previous");
} else {
$("#prevmove").html("Previous");
@@ -762,9 +793,32 @@ var update_displayed_line = function() {
hiddenboard.position(current_display_line.start_fen, false);
for (var i = 0; i <= current_display_move; ++i) {
+ var pos = hiddenboard.position();
var move = current_display_line.uci_pv[i];
- move = move.substr(0, 2) + "-" + move.substr(2, 4);
+ var source = move.substr(0, 2);
+ var target = move.substr(2, 2);
+ var promo = move.substr(4, 1);
+
+ // Check if we need to do en passant.
+ var piece = pos[source];
+ if (piece == "wP" || piece == "bP") {
+ if (source.substr(0, 1) != target.substr(0, 1) &&
+ pos[target] === undefined) {
+ var ep_square = target.substr(0, 1) + source.substr(1, 1);
+ delete pos[ep_square];
+ hiddenboard.position(pos, false);
+ }
+ }
+
+ move = source + "-" + target;
hiddenboard.move(move, false);
+ pos = hiddenboard.position();
+
+ // Do promotion if needed.
+ if (promo != "") {
+ pos[target] = pos[target].substr(0, 1) + promo.toUpperCase();
+ hiddenboard.position(pos, false);
+ }
// chessboard.js does not automatically move the rook on castling
// (issue #51; marked as won't fix), so update it ourselves.
@@ -786,6 +840,8 @@ var update_displayed_line = function() {
}
var init = function() {
+ unique = get_unique();
+
// Create board.
board = new window.ChessBoard('board', 'start');
hiddenboard = new window.ChessBoard('hiddenboard', 'start');