Chat Refactor + Spawn Points Y Axis Fix

Assets/Scripts/Chat/LoginUI.cs

@@ -0,0 +1,61 @@
+using UnityEngine;
+using UnityEngine.UI;
+using Mirror;
+using TMPro;
+
+public class LoginUI : MonoBehaviour
+{
+    [Header("UI Elements")]
+    [SerializeField] internal TMP_InputField usernameInput;
+    [SerializeField] internal Button clientButton;
+    [SerializeField] internal Text errorText;
+
+    public static LoginUI instance;
+
+    string originalNetworkAddress;
+
+    void Awake()
+    {
+        instance = this;        
+    }
+
+    void Start() 
+    {
+        if (string.IsNullOrWhiteSpace(NetworkManager.singleton.networkAddress))
+            NetworkManager.singleton.networkAddress = "localhost";
+
+        originalNetworkAddress = NetworkManager.singleton.networkAddress;
+    }
+
+    void Update()
+    {
+        if (string.IsNullOrWhiteSpace(NetworkManager.singleton.networkAddress))
+            NetworkManager.singleton.networkAddress = originalNetworkAddress;
+    }
+
+    public void ToggleButton(string username)
+    {
+        clientButton.interactable = !string.IsNullOrWhiteSpace(username);
+    }
+
+    public void OnClientButton()
+    {
+        var username = usernameInput.text.Trim();
+
+        if (string.IsNullOrWhiteSpace(username))
+        {
+            if (errorText != null) { errorText.text = "Enter a username"; errorText.gameObject.SetActive(true); }
+            return;
+        }
+
+        // set the name on the ChatAuthenticator (if present)
+        var auth = NetworkManager.singleton.GetComponent<ChatAuthenticator>();
+        if (auth != null)
+            auth.SetPlayerName(username);
+        else
+            Debug.LogWarning("LoginUI: ChatAuthenticator not found on NetworkManager.");
+
+        // start client
+        NetworkManager.singleton.StartClient();
+    }
+}