From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Mon, 10 Nov 2014 20:20:55 +0000 (+0100)
Subject: Support promotion when displaying lines.
X-Git-Url: https://git.sesse.net/?p=remoteglot;a=commitdiff_plain;h=bcae12d78459730f30039137cbdbe1cf8f490e5b

Support promotion when displaying lines.
---

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index 078aba6..bf43403 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -763,9 +763,18 @@ var update_displayed_line = function() {
 	hiddenboard.position(current_display_line.start_fen, false);
 	for (var i = 0; i <= current_display_move; ++i) {
 		var move = current_display_line.uci_pv[i];
+		var promo = move.substr(4, 1);
 		move = move.substr(0, 2) + "-" + move.substr(2, 2);
 		hiddenboard.move(move, false);
 
+		// Do promotion if needed.
+		if (promo != "") {
+			var pos = hiddenboard.position();
+			var target = move.substr(3, 2);
+			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.
 		if (move == "e1-g1" && hiddenboard.position().g1 == "wK") {  // white O-O