add 新增远程连接，实现多人游戏

Scripts/Controllers/Menu.cs

@@ -0,0 +1,136 @@
+using Godot;
+using Godot.Collections;
+
+public partial class Menu : Control
+{
+	Global global = null;
+	ItemList lists = null;
+	ConfirmationDialog dialog = null;
+	LineEdit nameLineEdit = null;
+	LineEdit urlLineEdit = null;
+	ColorRect colorRect = null;
+	Timer timer = null;
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready()
+	{
+		global = GetNode<Global>("/root/Global");
+		nameLineEdit = GetNode<LineEdit>("Name/LineEdit");
+		urlLineEdit = GetNode<LineEdit>("URL");
+		urlLineEdit.Text = global.URL;
+		urlLineEdit.Set("text_submitted", Callable.From(()=>{
+			global.URL = urlLineEdit.Text;
+		}));
+
+		lists = GetNode<ItemList>("Server/ItemList");
+		dialog = GetNode<ConfirmationDialog>("Dialogs/ConfirmationDialog");
+		colorRect = GetNode<ColorRect>("Server/ColorRect");
+		dialog.DialogAutowrap = true;
+		dialog.MinSize = new Vector2I(400, 200);
+		dialog.Canceled += () => {
+			if (dialog.Title == "Session Created")
+			global.RPClient.SessionAckCreate(dialog.GetMeta("sessionId").ToString(), false);
+		};
+		dialog.Confirmed += () => {
+			// GD.PrintErr("confirm", dialog.GetLabel().Text);
+			// goToSignle();
+			if (dialog.Title == "Session Created")
+			global.RPClient.SessionAckCreate(dialog.GetMeta("sessionId").ToString(), true);
+		};
+
+		global.RPClient.RegSessionAckCreateCallback((
+			sessionId,
+			res,
+			reqUserId,
+			reqUserName) => {
+			if (reqUserId != null) {
+				dialog.Title = "Session Created";
+				dialog.SetMeta("reqUserName", reqUserName);
+				dialog.SetMeta("reqUserId", reqUserId);
+				dialog.SetMeta("sessionId", sessionId);
+				// dialog.GetLabel==>Text = $"{sessdata["reqUserName"]}";
+				dialog.DialogText = $"username: {reqUserName}\n" +
+					$"reqUserId: {reqUserId}\n";
+				dialog.Visible = true;
+			} else {
+				if (res) {
+					global.sessionId = sessionId;
+					global.GotoScene("res://Scenes/ChessGame.tscn");
+				} else {
+					dialog.Title = "Failed";
+					dialog.DialogText = $"session create failed";
+					dialog.Visible = true;
+				}
+			}
+			return true;
+		});
+
+		timer = new Timer();
+		AddChild(timer);
+		timer.Connect("timeout", Callable.From(() => {
+			if (global.RPClient.GetIsConnected()) {
+				colorRect.Color = Colors.Green;
+			} else {
+				colorRect.Color = Colors.Red;
+			}
+		}));
+		timer.Start(1);
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+	}
+
+	private void OnItemSelected(int index) {
+		Dictionary item = lists.GetItemMetadata(index).AsGodotDictionary();
+		GD.Print($"Item {index} selected, {item}");
+		string[] strings = { item["id"].ToString() };
+		global.RPClient.SessionCreate(strings);
+	}
+
+	private void FlushData()
+	{
+		global.RPClient.RegionInspect("server", (data) => {
+			GD.Print(data);
+			lists.Clear();
+			foreach (Dictionary<string, string> user in data) {
+				string userId = user["id"].ToString();
+				string userName = user["name"].ToString();
+				if (userId == global.RPClient.GetUserId()) {
+					lists.SetItemDisabled(
+						lists.AddItem($"Name: {userName}"),
+						true);
+					continue;
+				}
+				var idx = lists.AddItem($"Name: {userName}");
+				lists.SetItemMetadata(idx, user);
+				lists.SetItemTooltip(idx, $"User ID: {userId}");
+			}
+			return true;
+		});
+	}
+
+	public void Connect()
+	{
+		GD.Print("Connect");
+		global.RPClient.ExitServer();
+		global.RPClient.ConnectToUrlEx(urlLineEdit.Text);
+		global.SetProcess(true);
+	}
+
+	public void EnterName() {
+		var newLine = nameLineEdit.Text;
+		global.RPClient.UserRename(newLine);
+		nameLineEdit.Text = newLine;
+	}
+
+	private void goToHome() {
+		global.RPClient.ExitServer();
+		global.GotoScene("res://Main.tscn");
+	}
+
+	// private void OnItemListItemClicked(int index, Vector2 atPosition, int mouse_button_index)
+	// {
+	// 	GD.Print($"Item {index} clicked at {atPosition} with mouse button index {mouse_button_index}");
+	// }
+}