/** @param {!string} fen
* @return {!string}
*
- * Return whose side it is to play (W or B), given a FEN.
- * This is in uppercase due to historical reasons, which we
- * should get rid of.
+ * Return whose side it is to play (w or b), given a FEN.
*/
function find_toplay(fen) {
- return fen.split(' ')[1].toUpperCase();
+ return fen.split(' ')[1];
}
/** @param {!string} fen
if (start_display_move_num > 0) {
pv = pv.slice(start_display_move_num);
let to_add = start_display_move_num;
- if (toplay === 'B') {
+ if (toplay === 'b') {
++move_num;
- toplay = 'W';
+ toplay = 'w';
--to_add;
}
if (to_add % 2 == 1) {
- toplay = 'B';
+ toplay = 'b';
--to_add;
}
move_num += to_add / 2;
let i = 0;
if (opt_limit && opt_showlast && 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
+ // We assume here that toplay is 'w'. We also assume that if
// opt_showlast is set, then it is the history, and thus,
// the UI should be to expand the history.
ret.appendChild(document.createTextNode('('));
++i;
}
move_num += i / 2;
- } else if (toplay == 'B' && pv.length > 0) {
+ } else if (toplay == 'b' && pv.length > 0) {
ret.appendChild(document.createTextNode(move_num + '. … '));
}
for (; i < pv.length; ++i) {
in_tb = true;
}
- if (toplay == 'B' && i == 0) {
+ if (toplay == 'b' && i == 0) {
++move_num;
- toplay = 'W';
- } else if (toplay == 'W') {
+ toplay = 'w';
+ } else if (toplay == 'w') {
if (i > opt_limit && !opt_showlast) {
if (in_tb) {
prefix += ')';
}
prefix += ' ' + move_num + '. ';
++move_num;
- toplay = 'B';
+ toplay = 'b';
} else {
prefix += ' ';
- toplay = 'W';
+ toplay = 'w';
}
ret.appendChild(document.createTextNode(prefix));
moves.push(move);
}
- let invert = (find_toplay(base_fen) === 'B');
+ let invert = (find_toplay(base_fen) === 'b');
if (current_display_line && current_display_move % 2 == 0 && !current_display_line_is_history) {
invert = !invert;
}
// Find the previous move.
let previous_move_num, previous_toplay;
let fen = data['position']['fen'];
- if (find_toplay(fen) === 'B') {
+ if (find_toplay(fen) === 'b') {
previous_move_num = find_move_num(fen);
- previous_toplay = 'W';
+ previous_toplay = 'w';
} else {
previous_move_num = find_move_num(fen) - 1;
- previous_toplay = 'B';
+ previous_toplay = 'b';
}
last_move = format_move_with_number(
data['position']['last_move'],
previous_move_num,
- previous_toplay == 'W');
+ previous_toplay == 'w');
headline += ' after ' + last_move;
} else {
last_move = null;
hiddenboard.move(data['pv'][i + 1]); // To keep continuity.
}
- let alt_moves = find_nonstupid_moves(data, 30, toplay === 'B');
+ let alt_moves = find_nonstupid_moves(data, 30, toplay === 'b');
for (let i = 1; i < alt_moves.length && i < 3; ++i) {
hiddenboard = new Chess(base_fen);
let move = patch_move(hiddenboard.move(alt_moves[i]));
// See if all semi-reasonable moves have only one possible response.
if (data['pv'].length >= 2) {
- let nonstupid_moves = find_nonstupid_moves(data, 300, toplay === 'B');
+ let nonstupid_moves = find_nonstupid_moves(data, 300, toplay === 'b');
let hiddenboard = new Chess(base_fen);
hiddenboard.move(data['pv'][0]);
let response = hiddenboard.move(data['pv'][1]);
if (first_move_num !== undefined) {
let fen = data['position']['fen'];
let last_move_num = find_move_num(fen) * 2 - 3;
- if (find_toplay(fen) === 'B') {
+ if (find_toplay(fen) === 'b') {
++last_move_num;
}
if (move === null) return 'snapback';
}
+/**
+ * If we are in admin mode, send this move to the backend.
+ *
+ * @param {string} fen
+ * @param {string} move
+ */
+function send_chosen_move(fen, move) {
+ if (admin_password !== null) {
+ let history = current_analysis_data['position']['history'];
+ let url = '/manual-override.pl';
+ url += '?fen=' + encodeURIComponent(fen);
+ url += '&history=' + encodeURIComponent(JSON.stringify(history));
+ url += '&move=' + encodeURIComponent(move);
+ url += '&player_w=' + encodeURIComponent(current_analysis_data['position']['player_w']);
+ url += '&player_b=' + encodeURIComponent(current_analysis_data['position']['player_b']);
+ url += '&password=' + encodeURIComponent(admin_password);
+
+ console.log(fen, history);
+ fetch(url); // Ignore the result.
+ }
+}
+
function onSnapEnd(source, target) {
if (source === target && recommended_move !== null) {
source = recommended_move.from;
});
if (admin_password !== null) {
- let url = '/manual-override.pl';
- url += '?fen=' + encodeURIComponent(display_fen);
- url += '&history=' + encodeURIComponent(JSON.stringify(current_analysis_data['position']['history']));
- url += '&move=' + encodeURIComponent(move.san);
- url += '&player_w=' + encodeURIComponent(current_analysis_data['position']['player_w']);
- url += '&player_b=' + encodeURIComponent(current_analysis_data['position']['player_b']);
- url += '&password=' + encodeURIComponent(admin_password);
- fetch(url);
+ send_chosen_move(display_fen, move.san);
return;
}