fix the buffer issue

Assets/PerfectWorld/Scripts/Network/CSNetwork/NetworkManager.cs

@@ -395,7 +395,7 @@ namespace CSNetwork
                     Octets currentData = new Octets(
                         _receiveOctets.RawBuffer,
                         0,
-                        originalBlockLength
+                        _receiveOctets.Size
                     );
                     // Update returns a NEW Octets object with processed data
                     dataToProcess = currentIsec!.Update(currentData);
@@ -473,7 +473,7 @@ namespace CSNetwork
             {
                 // If security was applied and we processed/consumed *any* bytes from the processed stream,
                 // assume the whole original block was consumed.
-                bytesConsumedFromOriginal = processedAnyProtocols ? originalBlockLength : 0;
+                bytesConsumedFromOriginal = totalConsumedFromProcessedStream;
             }
             else
             {
@@ -491,7 +491,7 @@ namespace CSNetwork
         // *** Helper to compact the original receive buffer ***
         private void CompactDecryptedBuffer(int bytesToConsume, int originalLength)
         {
-            if (bytesToConsume <= 0 || _receiveOctets == null) // Add null check
+            if (bytesToConsume <= 0 || _decryptedOctets == null) // Add null check
             {
                 return; // Nothing to consume/compact
             }
@@ -510,15 +510,14 @@ namespace CSNetwork
                     0,
                     remaining
                 );
-                _receiveOctets.SetSize(remaining);
+                _decryptedOctets.SetSize(remaining);
             }
             else // Consumed all
             {
                 // All data processed or skipped, clear buffer
                 // _logger.Log(LogType.Info, $"Clearing original buffer: Consumed {bytesToConsume} >= Original {originalLength}");
-                _receiveOctets.SetSize(0);
+                _decryptedOctets.SetSize(0);
             }
-            _receiveBufferStream.Position = _receiveOctets.Length; // Reset stream pos just in case
         }
 
         // Helper to raise ErrorOccurred event