X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=www%2Fjs%2Fbook.js;h=611678f8f99c52a3e73ea53241e31b88766dd24c;hb=4c5819ccf6f88f4ad0ed870921f8d972a46be8a0;hp=a489a6a3ed3c1a1dc0ef199789b870274ee42032;hpb=64b65677dbce50c97c63d6aa7e31bb141cb183b5;p=remoteglot-book

diff --git a/www/js/book.js b/www/js/book.js
index a489a6a..611678f 100644
--- a/www/js/book.js
+++ b/www/js/book.js
@@ -27,6 +27,20 @@ var get_game = function() {
 }
 
 var update = function() {
+	var text = "";
+	for (var i = 0; i < history.length; ++i) {
+		if (i % 2 == 0) {
+			text += (i/2 + 1) + ". ";
+		}
+		if (i == move_override) {
+			text += '<strong>' + history[i] + '</strong>';
+		} else {
+			text += history[i];
+		}
+		text += " ";
+	}
+	$('#gamehistory').html(text);
+
 	var game = get_game();
 	board.position(game.fen());
 	fetch_analysis();
@@ -97,9 +111,11 @@ var show_lines = function(data, game) {
 	var total_num = 0;
 	for (var i = 0; i < moves.length; ++i) {
 		var move = moves[i];
-		total_num += parseInt(move['white']);
-		total_num += parseInt(move['draw']);
-		total_num += parseInt(move['black']);
+		if (move['move']) {
+			total_num += parseInt(move['white']);
+			total_num += parseInt(move['draw']);
+			total_num += parseInt(move['black']);
+		}
 	}
 
 	var headings_tr = $("#headings");
@@ -177,7 +193,7 @@ var show_lines = function(data, game) {
 		var line = lines[i];
 		var tr = document.createElement("tr");
 
-		if (line[0] === undefined || line[0] === null) {
+		if (line[0] === undefined) {
 			$(tr).addClass("totals");
 		}
 
@@ -189,10 +205,10 @@ var show_lines = function(data, game) {
 				tr.appendChild(td);
 				$(td).addClass("move");
 				if (line[j] !== undefined) {
-					if (history.length % 2 == 0) {
-						$(td).text(((history.length / 2) + 1) + ". ");
+					if (move_override % 2 == 0) {
+						$(td).text(((move_override / 2) + 1) + ". ");
 					} else {
-						$(td).text(((history.length / 2) + 0.5) + ". …");
+						$(td).text(((move_override / 2) + 0.5) + ". …");
 					}
 				}
 
@@ -214,9 +230,14 @@ var show_lines = function(data, game) {
 }
 
 var make_move = function(move) {
-	history.length = move_override;
-	history.push(move);
-	move_override = history.length;
+	if (move_override < history.length && history[move_override] == move) {
+		// User effectively only moved forward in history.
+		++move_override;
+	} else {
+		history.length = move_override;
+		history.push(move);
+		move_override = history.length;
+	}
 	update();
 }
 window['make_move'] = make_move;
@@ -259,8 +280,13 @@ var onDrop = function(source, target) {
 	// illegal move
 	if (move === null) return 'snapback';
 
-	history = game.history({ verbose: true });
+	var new_history = game.history({ verbose: true });
+	history = [];
+	for (var i = 0; i < new_history.length; ++i) {
+		history.push(new_history[i].san);
+	}
 	move_override = history.length;
+	update();
 };
 
 // update the board position after the piece snap