* @type {Number}
* @const
* @private */
-var SCRIPT_VERSION = 2016113002;
+var SCRIPT_VERSION = 2016113007;
/**
* The current backend URL.
/** @type {number} @private */
var ims = 0;
-/** @type {boolean} @private */
-var sort_refutation_lines_by_score = true;
-
/** @type {boolean} @private */
var truncate_display_history = true;
arrows.push(arrow);
}
-// Note: invert is ignored.
-var compare_by_name = function(refutation_lines, invert, a, b) {
- var ska = refutation_lines[a]['move'];
- var skb = refutation_lines[b]['move'];
- if (ska < skb) return -1;
- if (ska > skb) return 1;
- return 0;
-};
-
var compare_by_score = function(refutation_lines, invert, a, b) {
var sa = compute_score_sort_key(refutation_lines[b]['score'], refutation_lines[b]['depth'], invert);
var sb = compute_score_sort_key(refutation_lines[a]['score'], refutation_lines[a]['depth'], invert);
if (current_display_line && current_display_move % 2 == 0) {
invert = !invert;
}
- var compare = sort_refutation_lines_by_score ? compare_by_score : compare_by_name;
- moves = moves.sort(function(a, b) { return compare(refutation_lines, invert, a, b) });
+ moves = moves.sort(function(a, b) { return compare_by_score(refutation_lines, invert, a, b) });
for (var i = 0; i < moves.length; ++i) {
var line = refutation_lines[moves[i]];
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(false)\">Move</a>");
- $("#sortbyscore1").html("<strong>Score</strong>");
- } else {
- $("#sortbyscore0").html("<strong>Move</strong>");
- $("#sortbyscore1").html("<a href=\"javascript:resort_refutation_lines(true)\">Score</a>");
- }
-
// Update the move highlight, as we've rewritten all the HTML.
update_move_highlight();
}
*/
var chess_from = function(fen, moves, last_move) {
var hiddenboard = new Chess();
- if (fen !== null) {
+ if (fen !== null && fen !== undefined) {
hiddenboard.load(fen);
}
for (var i = 0; i <= last_move; ++i) {
}
}
+/**
+ * If this is a Chess960 castling which doesn't move the king,
+ * move the rook instead.
+*/
+var patch_move = function(move) {
+ if (move === null) return null;
+ if (move.from !== move.to) return move;
+
+ var f = move.rook_sq & 15;
+ var r = move.rook_sq >> 4;
+ var from = ('abcdefgh'.substring(f,f+1) + '87654321'.substring(r,r+1));
+ var to = move.to;
+
+ if (move.to === 'g1') {
+ to = 'f1';
+ } else if (move.to === 'g8') {
+ to = 'f8';
+ } else if (move.to === 'b1') {
+ to = 'c1';
+ } else if (move.to === 'b8') {
+ to = 'c8';
+ }
+
+ return { from: from, to: to };
+}
+
/** Update all the HTML on the page, based on current global state.
*/
var update_board = function() {
// unconditionally taken from current_data (we're not interested in
// historic history).
if (current_data['position']['history']) {
- add_pv('start', current_data['position']['history'], 1, 'W', null, 0, 8, true);
+ var start = (current_data['position'] && current_data['position']['start_fen']) ? current_data['position']['start_fen'] : 'start';
+ add_pv(start, current_data['position']['history'], 1, 'W', null, 0, 8, true);
} else {
display_lines.push(null);
}
// 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 = chess_from(null, current_display_line.pv, current_display_move);
+ var position = (data['position'] && data['position']['start_fen']) ? data['position']['start_fen'] : null;
+ var hiddenboard = chess_from(position, current_display_line.pv, current_display_move);
var moves = hiddenboard.history({ verbose: true });
last_move = moves.pop();
highlight_from = last_move.from;
// draw a continuation arrow as long as it's the same piece
var last_to;
for (var i = 0; i < data['pv'].length; i += 2) {
- var move = hiddenboard.move(data['pv'][i]);
+ var move = patch_move(hiddenboard.move(data['pv'][i]));
+
if ((i >= 2 && move.from != last_to) ||
interfering_arrow(move.from, move.to)) {
break;
var alt_moves = find_nonstupid_moves(data, 30, data['position']['toplay'] === 'B');
for (var i = 1; i < alt_moves.length && i < 3; ++i) {
hiddenboard = new Chess(base_fen);
- var move = hiddenboard.move(alt_moves[i]);
+ var move = patch_move(hiddenboard.move(alt_moves[i]));
if (move !== null) {
create_arrow(move.from, move.to, '#f66', 1, 10);
}
}
}
-/**
- * @param {boolean} sort_by_score
- */
-var resort_refutation_lines = function(sort_by_score) {
- sort_refutation_lines_by_score = sort_by_score;
- if (supports_html5_storage()) {
- localStorage['sort_refutation_lines_by_score'] = sort_by_score ? 1 : 0;
- }
- update_refutation_lines();
-}
-window['resort_refutation_lines'] = resort_refutation_lines;
-
/**
* @param {boolean} truncate_history
*/
}
// Fetch old analysis for this line if it exists.
- var hiddenboard = chess_from(null, current_display_line.pv, current_display_move);
+ var hiddenboard = chess_from(current_display_line.start_fen, current_display_line.pv, current_display_move);
var filename = "/history/move" + (current_display_move + 1) + "-" +
hiddenboard.fen().replace(/ /g, '_').replace(/\//g, '-') + ".json";
} else {
set_sound(false);
}
- if (supports_html5_storage() && localStorage['sort_refutation_lines_by_score']) {
- sort_refutation_lines_by_score = parseInt(localStorage['sort_refutation_lines_by_score']);
- } else {
- sort_refutation_lines_by_score = true;
- }
// Create board.
board = new window.ChessBoard('board', {