// 保存存档 public void Save(T datas, string path) { if (IsInSaving) { return; } using (Stream stream = new FileStream(path, FileMode.Create)) { IsInSaving = true; GameDatas = datas ?? throw new ArgumentNullException("datas"); bool IsHash = false; bool IsCompressed = false; //保存文件头 Header.PlayTime = GameDatas.PlayTime; Header.PlayerID = GameDatas.PlayerID; Header.Version = curVersion; Header.IsHide = isHide; Header.SaveTimeTicks = DateTime.Now.Ticks; Header.IsCompressed = IsCompressed; if (IsHash) { Header.ContentHash = FileUtil.Hash(Content); } else { Header.ContentHash = null; } //保存内容 Content = SerializationUtility.SerializeValue(GameDatas, DataFormat.Binary); if (IsCompressed) { Content = FileUtil.GZCompressToBytes(Content); } //写入长度 Header.ContentLength = Content.Length; string headerStr = JsonUtility.ToJson(Header); using (BinaryWriter writer = new BinaryWriter(stream)) { writer.Write(headerStr); writer.Write(Content); writer.Close(); } stream.Close(); IsInSaving = false; } }
// 载入存档 public void Load(string path, string name, int curVersion, bool isReadContent, DateTime fileTime) { ArchiveFile <T> archive = this; archive.Name = name; archive.curVersion = curVersion; archive.FileTime = fileTime; using (Stream stream = File.OpenRead(path)) { try { BinaryReader reader = new BinaryReader(stream); string headerStr = null; //使用try防止无效的存档 headerStr = reader.ReadString(); if (string.IsNullOrEmpty(headerStr)) { archive.IsBroken = true; } else { archive.Header = JsonUtility.FromJson <ArchiveHeader>(headerStr); int contentSize = archive.Header.ContentLength; if (contentSize <= 0) { archive.IsBroken = true; } else { archive.Content = reader.ReadBytes(contentSize); if (!string.IsNullOrEmpty(archive.Header.ContentHash)) { // 内容损坏 if (archive.Header.ContentHash != FileUtil.Hash(archive.Content)) { archive.IsBroken = true; return; } } if (isReadContent && archive.IsCompatible && contentSize > 0) { byte[] toBeDeserialized = null; if (archive.Header.IsCompressed) { toBeDeserialized = FileUtil.GZDecompressToBytes(archive.Content); } else { toBeDeserialized = archive.Content; } archive.GameDatas = SerializationUtility.DeserializeValue <T>(toBeDeserialized, DataFormat.Binary); } } } reader.Close(); } catch (Exception e) { archive.IsBroken = true; CLog.Error("读取存档{0}时出现异常:{1}, 因此认为是损坏的存档。", archive.Name, e.Message); } } return; }