// 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;
}
