add limit char for chat

Assets/PerfectWorld/ScriptableObjects/ChatSystems/ChatSystemSO.asset

@@ -47,3 +47,4 @@ MonoBehaviour:
     iconName: 
     icon: {fileID: 0}
     prefix: '!#'
+  maxRawCharactersPerMessage: 80

Assets/PerfectWorld/Scripts/Chat/ChatWireTmpCodec.cs

@@ -11,6 +11,7 @@ namespace BrewMonster.Scripts.Chat
     public static class ChatWireTmpCodec
     {
         private static readonly Regex SpriteTagRegex = new Regex(@"<sprite\s[^>]*>", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        private static readonly Regex OrphanSpriteFragmentRegex = new Regex(@"^\s*sprite\s[^>]*>", RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         /// <summary>
         /// Tạo một đoạn wire marshal cho một emotion (set:index) — gửi server đúng protocol.
@@ -45,19 +46,40 @@ namespace BrewMonster.Scripts.Chat
             int last = 0;
             foreach (Match m in SpriteTagRegex.Matches(tmpBody))
             {
-                sb.Append(tmpBody, last, m.Index - last);
+                AppendSanitizedPlainText(sb, tmpBody, last, m.Index - last);
                 string tag = m.Value;
                 if (TryMatchSpriteTagToEmotion(map, tag, out int es, out int ei))
                     sb.Append(BuildMarshaledEmotionWire(es, ei));
                 else
                     sb.Append(tag);
                 last = m.Index + m.Length;
+
+                // Defensive: TMP_InputField can transiently expose an orphan fragment like
+                // `sprite anim="..."` right after a valid <sprite ...> tag when input updates race.
+                // Skip it so we do not leak malformed rich-text into wire text.
+                var orphan = OrphanSpriteFragmentRegex.Match(tmpBody, last);
+                if (orphan.Success)
+                    last += orphan.Length;
             }
 
-            sb.Append(tmpBody, last, tmpBody.Length - last);
+            AppendSanitizedPlainText(sb, tmpBody, last, tmpBody.Length - last);
             return sb.ToString();
         }
 
+        private static void AppendSanitizedPlainText(StringBuilder sb, string source, int start, int length)
+        {
+            if (length <= 0)
+                return;
+
+            int end = start + length;
+            for (int i = start; i < end; i++)
+            {
+                char ch = source[i];
+                if (!AUICommon.IsEditboxItemCode(ch))
+                    sb.Append(ch);
+            }
+        }
+
         /// <summary>
         /// Khớp tag với EmotionTMPTagBuilder — duyệt (set,index) đủ nhỏ.
         /// Match tag to EmotionTMPTagBuilder output — brute-force over (set,index) within reasonable bounds.

Assets/PerfectWorld/Scripts/Chat/ScriptableObjects/ChatSystemSO.cs

@@ -23,5 +23,34 @@ namespace BrewMonster.Scripts.ChatUI
 
         [Header("Channel Icons")]
         public List<ChannelIconMapping> channelIcons = new List<ChannelIconMapping>();
+
+        [Header("Message Limits")]
+        [Tooltip("Giới hạn số ký tự thô cho một tin nhắn. <= 0 nghĩa là không giới hạn. " +
+                 "TMP tag như <sprite ...> cũng được tính theo đúng số ký tự của tag.")]
+        public int maxRawCharactersPerMessage = 60;
+
+        /// <summary>
+        /// Đếm số ký tự thô (raw) của nội dung đang nhập.
+        /// Count raw characters from current input text.
+        /// </summary>
+        public int CountRawCharacters(string rawText)
+        {
+            if (string.IsNullOrEmpty(rawText))
+                return 0;
+            return rawText.Length;
+        }
+
+        /// <summary>
+        /// Kiểm tra có thể dùng thêm reserveChars mà vẫn không vượt giới hạn ký tự thô.
+        /// Check whether reserveChars can be added without exceeding raw character limit.
+        /// </summary>
+        public bool CanUseRawCharacters(string rawText, int reserveChars, out int usedChars, out int limitChars)
+        {
+            limitChars = maxRawCharactersPerMessage;
+            usedChars = CountRawCharacters(rawText) + Mathf.Max(0, reserveChars);
+            if (limitChars <= 0)
+                return true;
+            return usedChars <= limitChars;
+        }
     }
 }

Assets/PerfectWorld/Scripts/Chat/UI/EmojiPickerUI.cs

@@ -164,8 +164,9 @@ namespace BrewMonster.Scripts.ChatUI
             TryAutoWireIfNeeded();
             if (_chatInput != null)
             {
-                EmotionTMPTagBuilder.InsertEmotionTag(_chatInput.inputField, _emotionSpriteMap, emotionSet,
-                    emotionIndex);
+                // Keep wire body as source of truth to avoid TMP tag race/corruption
+                // when player taps emoji repeatedly.
+                _chatInput.InsertEmoji(emotionSet, emotionIndex);
                 Debug.Log("[Cuong] HandleEmojiClicked.");
             }
             else

Assets/Prefabs/ChatSystem/prefab_ChatSystemUI.prefab

@@ -277,7 +277,7 @@ MonoBehaviour:
   _gridContent: {fileID: 7741139062211830239}
   _cellPrefab: {fileID: 4685469653980001717, guid: 616f563fe32927844be2a17dbb408331, type: 3}
   _cellSize: {x: 64, y: 64}
-  _cellSpacing: {x: 4, y: 4}
+  _cellSpacing: {x: 0, y: 4}
   _columnCount: 8
   _chatInput: {fileID: 5889020827802476297}
   _chatSystemUI: {fileID: 2621697629504226575}
@@ -746,7 +746,7 @@ MonoBehaviour:
     m_PressedTrigger: Pressed
     m_SelectedTrigger: Selected
     m_DisabledTrigger: Disabled
-  m_Interactable: 0
+  m_Interactable: 1
   m_TargetGraphic: {fileID: 2689844286198437230}
   m_OnClick:
     m_PersistentCalls:
@@ -1061,7 +1061,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 0.392}
+  m_Color: {r: 1, g: 1, b: 1, a: 0}
   m_RaycastTarget: 1
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1

Assets/Scripts/ChatInputHandler.cs

@@ -259,6 +259,9 @@ namespace BrewMonster.Scripts.ChatUI
             FilterBadWords(ref strText);
             _chatWireBody = strText;
 
+            if (!CanUseRawCharacters(0))
+                return;
+
             if (HandleDebugCommand(routingLine))
                 return;
 
@@ -752,6 +755,14 @@ namespace BrewMonster.Scripts.ChatUI
             string segment = ChatWireTmpCodec.BuildMarshaledEmotionWire(emotionSet, emotionIndex);
             if (string.IsNullOrEmpty(segment))
                 return;
+
+            int reserveChars = 0;
+            if (_spriteMap != null && EmotionTMPTagBuilder.TryBuildEmotionTag(_spriteMap, emotionSet, emotionIndex, out string tag))
+                reserveChars = tag.Length;
+
+            if (!CanUseRawCharacters(reserveChars))
+                return;
+
             _chatWireBody += segment;
             RefreshInputDisplayFromWire();
         }
@@ -766,5 +777,18 @@ namespace BrewMonster.Scripts.ChatUI
         {
             AppendEmotionWire(emotionSet, emotionIndex);
         }
+
+        private bool CanUseRawCharacters(int reserveChars)
+        {
+            if (chatSystem == null)
+                return true;
+
+            string rawBody = ExtractMessageBodyFromVisual(inputField != null ? inputField.text ?? "" : "");
+            if (chatSystem.CanUseRawCharacters(rawBody, reserveChars, out int usedChars, out int limitChars))
+                return true;
+
+            //AddChatMessage($"Tin nhan vuot gioi han: {usedChars}/{limitChars} ky tu.", ChatChannel.GP_CHAT_MISC);
+            return false;
+        }
     }
 }