add limit char for chat

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;
+        }
     }
 }