108 lines
2.4 KiB
C#
108 lines
2.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.IO;
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using System.Linq;
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using OpenRA.FileFormats;
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namespace OpenRA.Network
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{
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sealed class ReplayRecorder
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{
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public ReplayMetadata Metadata;
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BinaryWriter writer;
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Func<string> chooseFilename;
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MemoryStream preStartBuffer = new MemoryStream();
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static bool IsGameStart(byte[] data)
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{
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if (data.Length == 5 && data[4] == 0xbf)
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return false;
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if (data.Length >= 5 && data[4] == 0x65)
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return false;
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var frame = BitConverter.ToInt32(data, 0);
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return frame == 0 && data.ToOrderList(null).Any(o => o.OrderString == "StartGame");
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}
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public ReplayRecorder(Func<string> chooseFilename)
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{
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this.chooseFilename = chooseFilename;
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writer = new BinaryWriter(preStartBuffer);
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}
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void StartSavingReplay(byte[] initialContent)
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{
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var filename = chooseFilename();
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var mod = Game.ModData.Manifest.Mod;
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var dir = Platform.ResolvePath("^", "Replays", mod.Id, mod.Version);
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if (!Directory.Exists(dir))
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Directory.CreateDirectory(dir);
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FileStream file = null;
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var id = -1;
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while (file == null)
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{
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var fullFilename = Path.Combine(dir, id < 0 ? "{0}.orarep".F(filename) : "{0}-{1}.orarep".F(filename, id));
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id++;
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try
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{
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file = File.Create(fullFilename);
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}
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catch (IOException) { }
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}
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file.Write(initialContent);
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writer = new BinaryWriter(file);
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}
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public void Receive(int clientID, byte[] data)
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{
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if (disposed) // TODO: This can be removed once NetworkConnection is fixed to dispose properly.
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return;
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if (preStartBuffer != null && IsGameStart(data))
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{
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writer.Flush();
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var preStartData = preStartBuffer.ToArray();
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preStartBuffer = null;
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StartSavingReplay(preStartData);
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}
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writer.Write(clientID);
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writer.Write(data.Length);
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writer.Write(data);
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}
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bool disposed;
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public void Dispose()
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{
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if (disposed)
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return;
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disposed = true;
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if (Metadata != null)
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{
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if (Metadata.GameInfo != null)
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Metadata.GameInfo.EndTimeUtc = DateTime.UtcNow;
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Metadata.Write(writer);
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}
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if (preStartBuffer != null)
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preStartBuffer.Dispose();
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writer.Close();
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}
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}
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}
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