public RegionFile(string file)
{
// Referenced classes of package net.minecraft.src:
// RegionFileChunkBuffer
lastModified = 0L;
fileName = file;
Debugln((new java.lang.StringBuilder()).Append("REGION LOAD ").Append(fileName).ToString
());
sizeDelta = 0;
try
{
if (File.Exists(file))
{
lastModified = new DateTimeOffset(File.GetLastWriteTime(file)).ToUnixTimeMilliseconds();
}
string dir = System.IO.Path.GetDirectoryName(file);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
fs = File.Open(file, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
dataFile = new DataOutputStream(fs); //new java.io.RandomAccessFile(file, "rw");
dataFileIn = new DataInputStream(fs);
if (dataFile.Length < 4096L)
{
for (int i = 0; i < 1024; i++)
{
dataFile.WriteInt(0);
}
for (int j = 0; j < 1024; j++)
{
dataFile.WriteInt(0);
}
sizeDelta += 8192;
}
if ((dataFile.Length & 4095L) != 0L)
{
for (int k = 0; (long)k < (dataFile.Length & 4095L); k++)
{
dataFile.Write(0);
}
}
int l = (int)dataFile.Length / 4096;
sectorFree = new System.Collections.ArrayList(l);
for (int i1 = 0; i1 < l; i1++)
{
sectorFree.Add(true);
}
sectorFree[0] = false;
sectorFree[1] = false;
dataFile.Seek(0L);
for (int j1 = 0; j1 < 1024; j1++)
{
int l1 = dataFileIn.ReadInt();
offsets[j1] = l1;
if (l1 == 0 || (l1 >> 8) + (l1 & 0xff) > sectorFree.Count)
{
continue;
}
for (int j2 = 0; j2 < (l1 & 0xff); j2++)
{
sectorFree[(l1 >> 8) + j2] = false;
}
}
for (int k1 = 0; k1 < 1024; k1++)
{
int i2 = dataFileIn.ReadInt();
chunkTimestamps[k1] = i2;
}
}
catch (System.IO.IOException ioexception)
{
Sharpen.Runtime.PrintStackTrace(ioexception);
}
}