#W# Initial Commit: Avatars Conquest

Source/Persistence/BinaryMemoryWriter.cs

@@ -0,0 +1,86 @@
+/***************************************************************************
+ *                            BinaryMemoryWriter.cs
+ *                            -------------------
+ *   begin                : May 1, 2002
+ *   copyright            : (C) The RunUO Software Team
+ *   email                : info@runuo.com
+ *
+ *   $Id$
+ *
+ ***************************************************************************/
+
+/***************************************************************************
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ ***************************************************************************/
+
+using System;
+using System.IO;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Server {
+	public sealed class BinaryMemoryWriter : BinaryFileWriter {
+		private MemoryStream stream;
+
+		protected override int BufferSize {
+			get { return 512; }
+		}
+
+		public BinaryMemoryWriter()
+		 : base( new MemoryStream( 512 ), true ) {
+			this.stream = this.UnderlyingStream as MemoryStream;
+		}
+
+		private static byte[] indexBuffer;
+
+		public int CommitTo( SequentialFileWriter dataFile, SequentialFileWriter indexFile, int typeCode, int serial ) {
+			Flush();
+
+			byte[] buffer = stream.GetBuffer();
+			int length = ( int ) stream.Length;
+
+			long position = dataFile.Position;
+
+			dataFile.Write( buffer, 0, length );
+
+			if ( indexBuffer == null ) {
+				indexBuffer = new byte[20];
+			}
+
+			indexBuffer[0] = ( byte ) ( typeCode );
+			indexBuffer[1] = ( byte ) ( typeCode >> 8 );
+			indexBuffer[2] = ( byte ) ( typeCode >> 16 );
+			indexBuffer[3] = ( byte ) ( typeCode >> 24 );
+
+			indexBuffer[4] = ( byte ) ( serial );
+			indexBuffer[5] = ( byte ) ( serial >> 8 );
+			indexBuffer[6] = ( byte ) ( serial >> 16 );
+			indexBuffer[7] = ( byte ) ( serial >> 24 );
+
+			indexBuffer[8] = ( byte ) ( position );
+			indexBuffer[9] = ( byte ) ( position >> 8 );
+			indexBuffer[10] = ( byte ) ( position >> 16 );
+			indexBuffer[11] = ( byte ) ( position >> 24 );
+			indexBuffer[12] = ( byte ) ( position >> 32 );
+			indexBuffer[13] = ( byte ) ( position >> 40 );
+			indexBuffer[14] = ( byte ) ( position >> 48 );
+			indexBuffer[15] = ( byte ) ( position >> 56 );
+
+			indexBuffer[16] = ( byte ) ( length );
+			indexBuffer[17] = ( byte ) ( length >> 8 );
+			indexBuffer[18] = ( byte ) ( length >> 16 );
+			indexBuffer[19] = ( byte ) ( length >> 24 );
+
+			indexFile.Write( indexBuffer, 0, indexBuffer.Length );
+
+			stream.SetLength( 0 );
+
+			return length;
+		}
+	}
+}