getCookie & default username

libs/core.js

@@ -1403,6 +1403,10 @@ core.prototype.clamp = function (x, a, b) {
     return core.utils.clamp(x, a, b);
 }
 
+core.prototype.getCookie = function (name) {
+    return core.utils.getCookie(name);
+}
+
 ////// Base64加密 //////
 core.prototype.encodeBase64 = function (str) {
     return core.utils.encodeBase64(str);

libs/events.js

@@ -301,7 +301,7 @@ events.prototype.gameOver = function (ending, fromReplay, norank) {
                 doUpload("");
             }
             else {
-                doUpload(prompt("请输入你的ID："));
+                doUpload(prompt("请输入你的ID：", core.getCookie('id')));
             }
         }, function () {
             if (main.isCompetition)

libs/utils.js

@@ -520,6 +520,11 @@ utils.prototype.clamp = function (x, a, b) {
     return Math.min(Math.max(x||0, min), max);
 }
 
+utils.prototype.getCookie = function (name) {
+    var match = document.cookie.match(new RegExp('(^| )' + name + '=([^;]+)'));
+	return match?match[2]:null;
+}
+
 ////// Base64加密 //////
 utils.prototype.encodeBase64 = function (str) {
     return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g, function (match, p1) {