Chat Refactor + Spawn Points Y Axis Fix

Assets/Scripts/Chat/ChatUI.cs

@@ -0,0 +1,107 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+
+// Client-only UI. DO NOT add a NetworkIdentity to this prefab.
+public class ChatUI : MonoBehaviour
+{
+    [Header("UI Elements")]
+    [SerializeField] private TextMeshProUGUI chatHistory;
+    [SerializeField] private Scrollbar scrollbar;
+    [SerializeField] private TMP_InputField chatMessage;
+    [SerializeField] private Button sendButton;
+
+    internal static string localPlayerName;
+
+    private readonly List<string> lines = new();
+    private Player localPlayer;
+
+    void Awake()
+    {
+        if (chatMessage != null)
+        {
+            chatMessage.onValueChanged.AddListener(ToggleButton);
+            chatMessage.onSubmit.AddListener(OnInputSubmit);
+        }
+    }
+
+    // Called by Player.OnStartLocalPlayer to connect the UI to the player's network methods.
+    public void Initialize(Player player)
+    {
+        localPlayer = player;
+    }
+
+    public void SetHistory(string[] history)
+    {
+        lines.Clear();
+        if (history != null && history.Length > 0)
+            lines.AddRange(history);
+
+        RefreshVisual();
+    }
+
+    // Called by Player.RpcReceiveChat / Player.TargetReceiveHistory
+    public void AddMessage(string message)
+    {
+        lines.Add(message);
+        if (chatHistory != null)
+            chatHistory.text += message + "\n";
+
+        StartCoroutine(ScrollNextFrame());
+    }
+
+    IEnumerator ScrollNextFrame()
+    {
+        yield return null;
+        yield return null;
+        if (scrollbar != null)
+            scrollbar.value = 0;
+    }
+
+    void RefreshVisual()
+    {
+        if (chatHistory == null) return;
+
+        chatHistory.text = string.Empty;
+        foreach (var l in lines)
+            chatHistory.text += l + "\n";
+
+        StartCoroutine(ScrollNextFrame());
+    }
+
+    public void ToggleButton(string input)
+    {
+        if (sendButton != null)
+            sendButton.interactable = !string.IsNullOrWhiteSpace(input);
+    }
+
+    private void OnInputSubmit(string input)
+    {
+        if (!string.IsNullOrWhiteSpace(input))
+            SendMessage();
+    }
+
+    public void SendMessage()
+    {
+        if (localPlayer == null)
+        {
+            Debug.LogWarning("ChatUI: local player not set; cannot send chat.");
+            return;
+        }
+
+        if (string.IsNullOrWhiteSpace(chatMessage?.text)) return;
+
+        localPlayer.SendChatToServer(chatMessage.text.Trim());
+
+        chatMessage.text = string.Empty;
+        chatMessage.ActivateInputField();
+    }
+
+    void OnDestroy()
+    {
+        if (chatMessage != null)
+            chatMessage.onValueChanged.RemoveListener(ToggleButton);
+    }
+}