(tools, client, server) feat: Complete ProtoBuf message transmission with both TCP and UDP

Client/Assets/Scripts/Test/UdpClientTest.cs

@@ -1,5 +1,7 @@
+using Google.Protobuf;
 using Network;
-using System.Text;
+using Protocol;
+using System.Collections.Generic;
 using UnityEngine;
 
 namespace Test
@@ -8,12 +10,30 @@ namespace Test
     {
         private async void Start()
         {
-            var sendBytes = Encoding.UTF8.GetBytes("This is a test string sent via UDP.");
+            var request = new LoginRequest
+            {
+                Username = "原神，启动！（谁会通过UDP启动啊喂！）",
+                Password = "20200928",
+            };
 
-            var receivedBytes = await UnityUdpClient.Instance.SendAndReceiveData(sendBytes);
-            var receivedString = Encoding.UTF8.GetString(receivedBytes);
+            var requestBytes = new byte[request.CalculateSize()];
+            request.WriteTo(requestBytes);
 
-            Debug.Log($"Received string: {receivedString}");
+            var sendBytes = new List<byte>
+            {
+                (byte)MessageType.LoginRequest
+            };
+            sendBytes.AddRange(requestBytes);
+
+            var responseBytes = await UnityUdpClient.Instance.SendAndReceiveData(sendBytes.ToArray());
+
+            if (responseBytes.Length == 0) return;
+            else if (responseBytes[0] == (byte)MessageType.LoginResponse)
+            {
+                var response = LoginResponse.Parser.ParseFrom(responseBytes[1..]);
+
+                Debug.Log($"Received response: {response}");
+            }
         }
     }
 }