private bool LoadLadderFile()
{
if (!File.Exists(LadderFile))
{
return(false);
}
try
{
TLadderHeader Header = new TLadderHeader();
TLadderIndex[] LadderIndex = new TLadderIndex[35];
TLadderInfo LadderInfo = new TLadderInfo();
FileStream LadderStream = new FileStream(LadderFile, FileMode.Open, FileAccess.Read);
BinaryReader LadderReader = new BinaryReader(LadderStream);
byte[] buf = new Byte[Marshal.SizeOf(Header)];
int i, j, count = 0;
LadderReader.Read(buf, 0, buf.Length);
Header = (TLadderHeader)D2DBS.core.BytesToStruct(buf, Header.GetType());
for (i = 0; i < MAX_TYPE; i++)
{
buf = new Byte[Marshal.SizeOf(LadderIndex[i])];
LadderReader.Read(buf, 0, buf.Length);
LadderIndex[i] = (TLadderIndex)D2DBS.core.BytesToStruct(buf, LadderIndex[i].GetType());
}
for (i = 0; i < MAX_TYPE; i++)
{
Ladder[i].Clear();
CharIndex[i].Clear();
for (j = 0; j < LadderIndex[i].number; j++)
{
buf = new Byte[Marshal.SizeOf(LadderInfo)];
LadderReader.Read(buf, 0, buf.Length);
LadderInfo = (TLadderInfo)D2DBS.core.BytesToStruct(buf, LadderInfo.GetType());
CharIndex[i][LadderInfo.charname] = Ladder[i].Count;
Ladder[i].Add(LadderInfo);
count++;
}
}
LadderStream.Close();
LadderStream.Dispose();
D2DBS.log.Write("info", "Ladder loaded successfully, " + count.ToString() + " char(s) in total.");
return(true);
}
catch
{
D2DBS.log.Write("error", "Failed to load ladder file, rebuild it.");
}
return(false);
}
private bool SaveLadderFile()
{
lock (LadderLock)
{
TLadderIndex[] LadderIndex = new TLadderIndex[35];
TLadderHeader Header = new TLadderHeader();
TLadderInfo emptydata = new TLadderInfo(true);
int i, j;
int count = 0;
int start = Marshal.SizeOf(Header) + Marshal.SizeOf(LadderIndex[0]) * 35;
for (i = 0; i < MAX_TYPE; i++)
{
LadderIndex[i].type = i;
LadderIndex[i].offset = start;
LadderIndex[i].number = GetNumberByType(i);
start += LadderIndex[i].number * 24;
}
byte[] buf;
MemoryStream MSLadderBuffer = new MemoryStream();
BinaryWriter LadderBuffer = new BinaryWriter(MSLadderBuffer);
Header.maxtype = MAX_TYPE;
LadderBuffer.Write(D2DBS.core.StructToBytes(Header));
for (i = 0; i < MAX_TYPE; i++)
{
LadderBuffer.Write(D2DBS.core.StructToBytes(LadderIndex[i]));
}
for (i = 0; i < MAX_TYPE; i++)
{
for (j = 0; j < LadderIndex[i].number; j++)
{
if (j >= Ladder[i].Count)
{
LadderBuffer.Write(D2DBS.core.StructToBytes(emptydata));
}
else
{
LadderBuffer.Write(D2DBS.core.StructToBytes(Ladder[i][j]));
count++;
}
}
}
LadderBuffer.Close();
buf = MSLadderBuffer.ToArray();
MSLadderBuffer.Close();
MSLadderBuffer.Dispose();
int Checksum = CalcChecksum(buf);
Header.checksum = Checksum;
buf[4] = (byte)(Checksum & 0xFF);
buf[5] = (byte)((Checksum >> 8) & 0xFF);
buf[6] = (byte)((Checksum >> 16) & 0xFF);
buf[7] = (byte)((Checksum >> 24) & 0xFF);
if (D2DBS.config["enablebackup"] != "0" && File.Exists(LadderFile))
{
try
{
if (File.Exists(LadderBakFile))
{
File.Delete(LadderBakFile);
}
File.Move(LadderFile, LadderBakFile);
D2DBS.log.Write("info", "Ladder backup executed.");
}
catch (Exception e)
{
D2DBS.log.Write("error", "Backup failed: " + e.Message);
}
}
FileStream LadderStream = new FileStream(LadderFile, FileMode.Create, FileAccess.Write);
LadderStream.Write(buf, 0, buf.Length);
LadderStream.Close();
LadderStream.Dispose();
D2DBS.log.Write("info", "Ladder saved successfully, " + count.ToString() + " char(s) in total.");
return(true);
}
}