Add support for other servers

index.html

@@ -11,18 +11,27 @@
             RUNIC
         </h1>
         <input id="runic_username" class="username" placeholder="Username" maxlength="16"><br>
+        <input id="runic_server_url" class="username" placeholder="example.com:8080"><br>
         <input type="button" class="play" onclick="play()" value="PLAY">
     </div>
     <script>
         var usernameinput = document.getElementById("runic_username");
+        var urlinput = document.getElementById("runic_server_url");
         function play() {
-            var username = usernameinput.value;
+            /*if (username != "") {
-            if (username != "") {
                 window.location = "game.html" + "?name=" + username;
             }
             else {
                 window.location = "game.html";
+            }*/
+            let parameters = new String();
+            if (usernameinput.value != "") {
+              parameters += "?name=" + usernameinput.value;
             }
+            if (urlinput.value != "") {
+              parameters += "&?server_url=" + urlinput.value;
+            }
+            window.location = "game.html" + parameters;
         }
         usernameinput.addEventListener("keypress", function(event) {
             if (event.key === "Enter") {

script/game.js

@@ -18,15 +18,29 @@ var username;
 //set name from URL
 try {
 	let URL = window.location.search;
-	params = new URLSearchParams(URL);
+	let params = new URLSearchParams(URL);
 	username = params.get("name"); //this will get foo from <url>?name=foo
 	if (username === null) {
 		username = "Anonymous";
 	}
 }
 catch(err) {
-	console.error("Failed to get name from url", err);
+	console.error("Failed to get username from URL parameters", err);
 }
+
+var server_url;
+try {
+	let URL = window.location.search;
+	params = new URLSearchParams(URL);
+	server_url = "ws://" + params.get("server_url");
+	if (server_url === "ws://null"/*Javascript why*/) {
+		server_url = "ws://" + "localhost:8080";
+	}
+}
+catch(err) {
+	console.error("Failed to get server from URL parameters", err);
+}
+
 var game_data = {
 	"character": {
 		"variants": [