(function() {
+/** @type {window.ChessBoard} @private */
var board = null;
+
+/** @type {window.ChessBoard} @private */
var hiddenboard = null;
+
+/** @type {Array.<{
+ * from_col: number,
+ * from_row: number,
+ * to_col: number,
+ * to_row: number,
+ * line_width: number,
+ * arrow_size: number,
+ * fg_color: string
+ * }>}
+ * @private
+ */
var arrows = [];
+
+/** @type {Array.<Array.<boolean>>} */
var occupied_by_arrows = [];
+
var refutation_lines = [];
+
+/** @type {!number} @private */
var move_num = 1;
+
+/** @type {!string} @private */
var toplay = 'W';
+
+/** @type {number} @private */
var ims = 0;
-var sort_refutation_lines_by_score = 0;
+
+/** @type {boolean} @private */
+var sort_refutation_lines_by_score = false;
+
+/** @type {!string|undefined} @private */
var highlight_from = undefined;
+
+/** @type {!string|undefined} @private */
var highlight_to = undefined;
+
+/** @type {!number} @private */
var unique = Math.random();
+/** The current position on the board, represented as a FEN string.
+ * @type {?string}
+ * @private
+ */
var fen = null;
+
+/** @typedef {{
+ * start_fen: string,
+ * uci_pv: Array.<string>,
+ * pretty_pv: Array.<string>
+ * }} DisplayLine
+ */
+
+/** @type {Array.<DisplayLine>}
+ * @private
+ */
var display_lines = [];
+
+/** @type {?DisplayLine} @private */
var current_display_line = null;
+
+/** @type {?number} @private */
var current_display_move = null;
-var request_update = function(board) {
+var request_update = function() {
$.ajax({
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);
+ update_board(data, num_viewers);
}).fail(function() {
// Wait ten seconds, then try again.
- setTimeout(function() { request_update(board); }, 10000);
+ setTimeout(function() { request_update(); }, 10000);
});
}
}
}
+/** @param {!number} x
+ * @return {!number}
+ */
var sign = function(x) {
if (x > 0) {
return 1;
}
}
-// See if drawing this arrow on the board would cause unduly amount of confusion.
+/** See if drawing this arrow on the board would cause unduly amount of confusion.
+ * @param {!string} from The square the arrow is from (e.g. e4).
+ * @param {!string} to The square the arrow is to (e.g. e4).
+ * @return {boolean}
+ */
var interfering_arrow = function(from, to) {
var from_col = from.charCodeAt(0) - "a1".charCodeAt(0);
var from_row = from.charCodeAt(1) - "a1".charCodeAt(1);
return false;
}
+/** Find a point along the coordinate system given by the given line,
+ * <t> units forward from the start of the line, <u> units to the right of it.
+ * @param {!number} x1
+ * @param {!number} x2
+ * @param {!number} y1
+ * @param {!number} y2
+ * @param {!number} t
+ * @param {!number} u
+ * @return {!string} The point in "x y" form, suitable for SVG paths.
+ */
var point_from_start = function(x1, y1, x2, y2, t, u) {
var dx = x2 - x1;
var dy = y2 - y1;
return x + " " + y;
}
+/** Find a point along the coordinate system given by the given line,
+ * <t> units forward from the end of the line, <u> units to the right of it.
+ * @param {!number} x1
+ * @param {!number} x2
+ * @param {!number} y1
+ * @param {!number} y2
+ * @param {!number} t
+ * @param {!number} u
+ * @return {!string} The point in "x y" form, suitable for SVG paths.
+ */
var point_from_end = function(x1, y1, x2, y2, t, u) {
var dx = x2 - x1;
var dy = y2 - y1;
var SVG_NS = "http://www.w3.org/2000/svg";
var XHTML_NS = "http://www.w3.org/1999/xhtml";
var svg = document.createElementNS(SVG_NS, "svg");
- svg.setAttribute("width", $("#board").width());
- svg.setAttribute("height", $("#board").height());
+ svg.setAttribute("width", /** @type{number} */ ($("#board").width()));
+ svg.setAttribute("height", /** @type{number} */ ($("#board").height()));
svg.setAttribute("style", "position: absolute");
svg.setAttribute("position", "absolute");
svg.setAttribute("version", "1.1");
head.setAttribute("xmlns", XHTML_NS);
head.setAttribute("stroke", "#000");
head.setAttribute("stroke-width", "1");
- head.setAttribute("fill", "#f66");
+ head.setAttribute("fill", arrow.fg_color);
svg.appendChild(head);
$(svg).css({ top: pos.top, left: pos.left });
arrow.svg = svg;
}
+/**
+ * @param {!string} from_square
+ * @param {!string} to_square
+ * @param {!string} fg_color
+ * @param {number} line_width
+ * @param {number} arrow_size
+ */
var create_arrow = function(from_square, to_square, fg_color, line_width, arrow_size) {
var from_col = from_square.charCodeAt(0) - "a1".charCodeAt(0);
var from_row = from_square.charCodeAt(1) - "a1".charCodeAt(1);
return sa - sb;
}
-// Fake multi-PV using the refutation lines. Find all “relevant” moves,
-// sorted by quality, descending.
+/**
+ * Fake multi-PV using the refutation lines. Find all “relevant” moves,
+ * sorted by quality, descending.
+ *
+ * @param {!Object} data
+ * @param {number} margin The maximum number of centipawns worse than the
+ * best move can be and still be included.
+ * @return {Array.<string>} The UCI representation (e.g. e1g1) of all
+ * moves, in score order.
+ */
var find_nonstupid_moves = function(data, margin) {
// First of all, if there are any moves that are more than 0.5 ahead of
// the primary move, the refutation lines are probably bunk, so just
return moves;
}
+/**
+ * @param {number} x
+ * @return {!string}
+ */
var thousands = function(x) {
return String(x).split('').reverse().join('').replace(/(\d{3}\B)/g, '$1,').split('').reverse().join('');
}
+/**
+ * @param {!string} fen
+ * @param {Array.<string>} uci_pv
+ * @param {Array.<string>} pretty_pv
+ * @param {number} move_num
+ * @param {!string} toplay
+ * @param {number=} opt_limit
+ */
var print_pv = function(fen, uci_pv, pretty_pv, move_num, toplay, opt_limit) {
display_lines.push({
start_fen: fen,
return pv;
}
-var update_highlight = function() {
+var update_highlight = function() {
$("#board").find('.square-55d63').removeClass('nonuglyhighlight');
if (current_display_line === null && highlight_from !== undefined && highlight_to !== undefined) {
$("#board").find('.square-' + highlight_from).addClass('nonuglyhighlight');
}
}
-var update_refutation_lines = function(board) {
+var update_refutation_lines = function() {
+ if (fen === null) {
+ return;
+ }
if (display_lines.length > 1) {
display_lines = [ display_lines[0] ];
}
// 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>");
+ $("#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(1)\">Score</a>");
+ $("#sortbyscore1").html("<a href=\"javascript:resort_refutation_lines(true)\">Score</a>");
}
}
-var update_board = function(board, data, num_viewers) {
+/**
+ * @param {Object} data
+ * @param {number} num_viewers
+ */
+var update_board = function(data, num_viewers) {
display_lines = [];
// The headline.
move_num = data['position']['move_num'];
toplay = data['position']['toplay'];
refutation_lines = data['refutation_lines'];
- update_refutation_lines(board);
+ update_refutation_lines();
// Next update.
- setTimeout(function() { request_update(board); }, 100);
+ setTimeout(function() { request_update(); }, 100);
}
+/**
+ * @param {boolean} sort_by_score
+ */
var resort_refutation_lines = function(sort_by_score) {
sort_refutation_lines_by_score = sort_by_score;
- update_refutation_lines(board);
+ update_refutation_lines();
}
window['resort_refutation_lines'] = resort_refutation_lines;
+/**
+ * @param {number} line_num
+ * @param {number} move_num
+ */
var show_line = function(line_num, move_num) {
if (line_num == -1) {
current_display_line = null;
++current_display_move;
update_displayed_line();
}
-window['next_move'] = prev_move;
+window['next_move'] = next_move;
var update_displayed_line = function() {
if (current_display_line === null) {
board = new window.ChessBoard('board', 'start');
hiddenboard = new window.ChessBoard('hiddenboard', 'start');
- request_update(board);
+ request_update();
$(window).resize(function() {
board.resize();
update_highlight();
projects / remoteglot / blobdiff