X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=www%2Fjs%2Fbook.js;h=6017fd9d0d5eb6a91a1238089c080a7af460c819;hb=1067590eb03c8571f6e4aafc215b71bcb7a71001;hp=78dfed815cf8c3c782266ab5e47cf377383a58a0;hpb=5f6d20ea4cdcddbd10fd8d2c3f2bef89f1e14f42;p=remoteglot-book

diff --git a/www/js/book.js b/www/js/book.js
index 78dfed8..6017fd9 100644
--- a/www/js/book.js
+++ b/www/js/book.js
@@ -3,6 +3,7 @@
 var board = null;
 var history = [];
 var move_override = 0;
+var includetransp = true;
 
 var entity_map = {
 	"&": "&",
@@ -18,9 +19,14 @@ function escape_html(string) {
 	});
 }
 
-var get_game = function() {
+var get_game = function(skip_last_move) {
+	var moves_to_drop = 0;
+	if (skip_last_move === true) {
+		moves_to_drop = 1;
+	}
+
 	var game = new Chess();
-	for (var i = 0; i < move_override; ++i) {
+	for (var i = 0; i < move_override - moves_to_drop; ++i) {
 		game.move(history[i]);
 	}
 	return game;
@@ -59,8 +65,15 @@ var update = function() {
 
 var fetch_analysis = function() {
 	var game = get_game();
+	var fen = game.fen();
+	var prevfen = "";
+	if (move_override > 0) {
+		prevfen = get_game(true).fen();
+	}
 	$.ajax({
-		url: "/opening-stats.pl?fen=" + encodeURIComponent(game.fen())
+		url: "/opening-stats.pl?fen=" + encodeURIComponent(fen) +
+			";prevfen=" + encodeURIComponent(prevfen) +
+			";includetransp=" + (includetransp ? 1 : 0)
 	}).done(function(data, textstatus, xhr) {
 		show_lines(data, game);
 	});
@@ -240,6 +253,12 @@ var show_lines = function(data, game) {
 	}
 }
 
+var set_includetransp = function(value) {
+	includetransp = value;
+	update();
+}
+window['set_includetransp'] = set_includetransp;
+
 var make_move = function(move) {
 	if (move_override < history.length && history[move_override] == move) {
 		// User effectively only moved forward in history.
@@ -303,7 +322,6 @@ var onDrop = function(source, target) {
 		history.push(new_history[i].san);
 	}
 	move_override = history.length;
-	update();
 };
 
 // update the board position after the piece snap 
@@ -311,7 +329,7 @@ var onDrop = function(source, target) {
 var onSnapEnd = function() {
 	var game = get_game();
 	board.position(game.fen());
-	fetch_analysis();
+	update();
 };
 
 var init = function() {