/** @type {?number} @private */
var unique = null;
+/** @type {boolean} @private */
+var enable_sound = false;
+
/** The current position on the board, represented as a FEN string.
* @type {?string}
* @private
}).done(function(data, textstatus, xhr) {
ims = xhr.getResponseHeader('X-Remoteglot-Last-Modified');
var num_viewers = xhr.getResponseHeader('X-Remoteglot-Num-Viewers');
+ possibly_play_sound(current_analysis_data, data);
current_analysis_data = data;
update_board(current_analysis_data, displayed_analysis_data);
update_num_viewers(num_viewers);
});
}
+var possibly_play_sound = function(old_data, new_data) {
+ if (!enable_sound) {
+ return;
+ }
+ if (old_data === null) {
+ return;
+ }
+ var ding = document.getElementById('ding');
+ if (ding && ding.play !== undefined) {
+ if (old_data['position'] && old_data['position']['fen'] &&
+ new_data['position'] && new_data['position']['fen'] &&
+ (old_data['position']['fen'] !== new_data['position']['fen'] ||
+ old_data['position']['move_num'] !== new_data['position']['move_num'])) {
+ ding.play();
+ }
+ }
+}
+
var clear_arrows = function() {
for (var i = 0; i < arrows.length; ++i) {
if (arrows[i].svg) {
arrow.svg.parentElement.removeChild(arrow.svg);
delete arrow.svg;
}
- if (current_display_line !== null) {
+ if (current_display_line !== null && !current_display_line_is_history) {
return;
}
var update_highlight = function() {
$("#board").find('.square-55d63').removeClass('nonuglyhighlight');
- if (current_display_line === null && highlight_from !== undefined && highlight_to !== undefined) {
+ if ((current_display_line === null || current_display_line_is_history) &&
+ highlight_from !== undefined && highlight_to !== undefined) {
$("#board").find('.square-' + highlight_from).addClass('nonuglyhighlight');
$("#board").find('.square-' + highlight_to).addClass('nonuglyhighlight');
}
document.title = 'analysis.sesse.net';
}
+ // The last move (shown by highlighting the from and to squares).
+ if (data['position'] && data['position']['last_move_uci']) {
+ highlight_from = data['position']['last_move_uci'].substr(0, 2);
+ highlight_to = data['position']['last_move_uci'].substr(2, 2);
+ } else if (current_display_line_is_history && current_display_move >= 0) {
+ // We don't have historic analysis for this position, but we
+ // can reconstruct what the last move was by just replaying
+ // from the start.
+ var hiddenboard = new Chess();
+ for (var i = 0; i <= current_display_move; ++i) {
+ hiddenboard.move(current_display_line.pretty_pv[i]);
+ }
+ var moves = hiddenboard.history({ verbose: true });
+ var last_move = moves.pop();
+ highlight_from = last_move.from;
+ highlight_to = last_move.to;
+ } else {
+ highlight_from = highlight_to = undefined;
+ }
+ update_highlight();
+
if (data['failed']) {
$("#score").text("No analysis for this move");
$("#pv").empty();
$("#refutationlines").empty();
refutation_lines = [];
update_refutation_lines();
+ clear_arrows();
+ update_displayed_line();
return;
}
fen = data['position']['fen'];
update_displayed_line();
- 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, 2);
- } else {
- highlight_from = highlight_to = undefined;
- }
- update_highlight();
-
// Print the PV.
$("#pv").html(add_pv(data['position']['fen'], data['pv_pretty'], data['position']['move_num'], data['position']['toplay']));
board.position(hiddenboard.fen());
}
+/**
+ * @param {boolean} param_enable_sound
+ */
+var set_sound = function(param_enable_sound) {
+ enable_sound = param_enable_sound;
+ if (enable_sound) {
+ $("#soundon").html("<strong>On</strong>");
+ $("#soundoff").html("<a href=\"javascript:set_sound(false)\">Off</a>");
+ } else {
+ $("#soundon").html("<a href=\"javascript:set_sound(true)\">On</a>");
+ $("#soundoff").html("<strong>Off</strong>");
+ }
+}
+window['set_sound'] = set_sound;
+
var init = function() {
unique = get_unique();
+ set_sound(false);
// Create board.
board = new window.ChessBoard('board', 'start');