X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=www%2Fjs%2Fremoteglot.js;h=d89da33b3d5339f5b581c356ba2fb68af78f3389;hb=6b412ffcd5797613037e4d69c39f8b4a3f0254f9;hp=ff566ab85c81c4ba4b33ff8a9853bec23d8f89ca;hpb=01a8eaa3db2c015b25c0cf53df96b12493f3db58;p=remoteglot

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index ff566ab..d89da33 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -7,7 +7,7 @@
  * @type {Number}
  * @const
  * @private */
-var SCRIPT_VERSION = 2016113002;
+var SCRIPT_VERSION = 2016113007;
 
 /**
  * The current backend URL.
@@ -298,7 +298,9 @@ var request_update = function() {
 		}
 
 		// Next update.
-		current_analysis_request_timer = setTimeout(function() { request_update(); }, timeout);
+		if (!backend_url.match(/history/)) {
+			current_analysis_request_timer = setTimeout(function() { request_update(); }, timeout);
+		}
 	}).fail(function(jqXHR, textStatus, errorThrown) {
 		if (textStatus === "abort") {
 			// Aborted because we are switching backends. Abandon and don't retry,
@@ -474,17 +476,25 @@ var position_arrow = function(arrow) {
 		return;
 	}
 
-	var pos = $(".square-a8").position();
-
 	var zoom_factor = $("#board").width() / 400.0;
 	var line_width = arrow.line_width * zoom_factor;
 	var arrow_size = arrow.arrow_size * zoom_factor;
 
 	var square_width = $(".square-a8").width();
-	var from_y = (7 - arrow.from_row + 0.5)*square_width;
-	var to_y = (7 - arrow.to_row + 0.5)*square_width;
-	var from_x = (arrow.from_col + 0.5)*square_width;
-	var to_x = (arrow.to_col + 0.5)*square_width;
+	var pos, from_y, to_y, from_x, to_x;
+	if (board.orientation() === 'black') {
+		pos = $(".square-h1").position();
+		from_y = (arrow.from_row + 0.5)*square_width;
+		to_y = (arrow.to_row + 0.5)*square_width;
+		from_x = (7 - arrow.from_col + 0.5)*square_width;
+		to_x = (7 - arrow.to_col + 0.5)*square_width;
+	} else {
+		pos = $(".square-a8").position();
+		from_y = (7 - arrow.from_row + 0.5)*square_width;
+		to_y = (7 - arrow.to_row + 0.5)*square_width;
+		from_x = (arrow.from_col + 0.5)*square_width;
+		to_x = (arrow.to_col + 0.5)*square_width;
+	}
 
 	var SVG_NS = "http://www.w3.org/2000/svg";
 	var XHTML_NS = "http://www.w3.org/1999/xhtml";
@@ -930,6 +940,18 @@ var update_game_list = function(games) {
  * and switch to it if we're not already displaying it.
  */
 var possibly_switch_game_from_hash = function() {
+	var history_match = window.location.hash.match(/^#history=([a-zA-Z0-9_-]+)/);
+	if (history_match !== null) {
+		var game_id = history_match[1];
+		var fake_game = {
+			url: '/history/' + game_id + '.json',
+			hashurl: '',
+			id: 'history=' + game_id
+		};
+		switch_backend(fake_game);
+		return;
+	}
+
 	if (current_games === null) {
 		return;
 	}
@@ -945,6 +967,32 @@ var possibly_switch_game_from_hash = function() {
 	}
 }
 
+/**
+ * If this is a Chess960 castling which doesn't move the king,
+ * move the rook instead.
+*/
+var patch_move = function(move) {
+	if (move === null) return null;
+	if (move.from !== move.to) return move;
+
+	var f = move.rook_sq & 15;
+	var r = move.rook_sq >> 4;
+	var from = ('abcdefgh'.substring(f,f+1) + '87654321'.substring(r,r+1));
+	var to = move.to;
+
+	if (move.to === 'g1') {
+		to = 'f1';
+	} else if (move.to === 'g8') {
+		to = 'f8';
+	} else if (move.to === 'b1') {
+		to = 'c1';
+	} else if (move.to === 'b8') {
+		to = 'c8';
+	}
+
+	return { from: from, to: to };
+}
+
 /** Update all the HTML on the page, based on current global state.
  */
 var update_board = function() {
@@ -1174,20 +1222,21 @@ var update_board = function() {
 		// draw a continuation arrow as long as it's the same piece
 		var last_to;
 		for (var i = 0; i < data['pv'].length; i += 2) {
-			var move = hiddenboard.move(data['pv'][i]);
+			var move = patch_move(hiddenboard.move(data['pv'][i]));
+
 			if ((i >= 2 && move.from != last_to) ||
 			     interfering_arrow(move.from, move.to)) {
 				break;
 			}
 			create_arrow(move.from, move.to, '#f66', 6, 20);
-			last_to = move.from;
+			last_to = move.to;
 			hiddenboard.move(data['pv'][i + 1]);  // To keep continuity.
 		}
 
 		var alt_moves = find_nonstupid_moves(data, 30, data['position']['toplay'] === 'B');
 		for (var i = 1; i < alt_moves.length && i < 3; ++i) {
 			hiddenboard = new Chess(base_fen);
-			var move = hiddenboard.move(alt_moves[i]);
+			var move = patch_move(hiddenboard.move(alt_moves[i]));
 			if (move !== null) {
 				create_arrow(move.from, move.to, '#f66', 1, 10);
 			}
@@ -2160,6 +2209,8 @@ var switch_backend = function(game) {
 }
 window['switch_backend'] = switch_backend;
 
+window['flip'] = function() { board.flip(); redraw_arrows(); };
+
 var init = function() {
 	unique = get_unique();
 
@@ -2204,6 +2255,7 @@ var init = function() {
 		}
 	});
 	window.addEventListener('hashchange', possibly_switch_game_from_hash, false);
+	possibly_switch_game_from_hash();
 };
 $(document).ready(init);