public static void WriteEntities <I, T>(
IIndexInfo <I> indexInfo,
Dictionary <I, T> entities,
List <Type> types,
string savePath,
out Dictionary <string, int> counts
) where T : class, ISerializable
{
counts = new Dictionary <string, int>();
var typeName = indexInfo.TypeName;
var path = Path.Combine(savePath, typeName);
PathUtility.EnsureDirectory(path);
string idxPath = Path.Combine(path, $"{typeName}.idx");
string tdbPath = Path.Combine(path, $"{typeName}.tdb");
string binPath = Path.Combine(path, $"{typeName}.bin");
using var idx = new BinaryFileWriter(idxPath, false);
using var tdb = new BinaryFileWriter(tdbPath, false);
using var bin = new BinaryFileWriter(binPath, true);
idx.Write(1); // Version
idx.Write(entities.Count);
foreach (var e in entities.Values)
{
long start = bin.Position;
idx.Write(e.TypeRef);
idx.Write(e.Serial);
idx.Write(e.Created.Ticks);
idx.Write(e.LastSerialized.Ticks);
idx.Write(start);
e.SerializeTo(bin);
idx.Write((int)(bin.Position - start));
var type = e.GetType().FullName;
if (type != null)
{
counts[type] = (counts.TryGetValue(type, out var count) ? count : 0) + 1;
}
}
tdb.Write(types.Count);
for (int i = 0; i < types.Count; ++i)
{
tdb.Write(types[i].FullName);
}
}
public static void Register(
string name,
Action <IGenericWriter> serializer,
Action <IGenericReader> deserializer,
int priority = Persistence.DefaultPriority
)
{
BufferWriter saveBuffer = null;
void Serialize()
{
saveBuffer ??= new BufferWriter(true);
saveBuffer.Seek(0, SeekOrigin.Begin);
serializer(saveBuffer);
}
void WriterSnapshot(string savePath)
{
var path = Path.Combine(savePath, name);
PathUtility.EnsureDirectory(path);
string binPath = Path.Combine(path, $"{name}.bin");
using var bin = new BinaryFileWriter(binPath, true);
saveBuffer !.Resize((int)saveBuffer.Position);
bin.Write(saveBuffer.Buffer);
}
void Deserialize(string savePath)
{
var path = Path.Combine(savePath, name);
PathUtility.EnsureDirectory(path);
string binPath = Path.Combine(path, $"{name}.bin");
if (!File.Exists(binPath))
{
return;
}
try
{
using FileStream fs = new FileStream(binPath, FileMode.Open, FileAccess.Read, FileShare.Read);
using var br = new BinaryFileReader(fs);
deserializer(br);
}
catch (Exception e)
{
Utility.PushColor(ConsoleColor.Red);
Console.WriteLine($"***** Bad deserialize of {name} *****");
Console.WriteLine(e.ToString());
Utility.PopColor();
}
}
Persistence.Register(name, Serialize, WriterSnapshot, Deserialize, priority);
}