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