/// <summary>
/// Iterates through the pack file and records the offsets and headers of each record found
/// </summary>
/// <param name="pathToGgpk">Path to pack file to read</param>
/// <param name="output">Output function</param>
public void ReadRecordOffsets(string pathToGgpk, Action <string> output)
{
var previousPercentComplete = 0.0f;
using (var fs = OpenFile(pathToGgpk, out _isReadOnly))
{
var br = new BinaryReader(fs);
var streamLength = br.BaseStream.Length;
while (br.BaseStream.Position < streamLength)
{
var currentOffset = br.BaseStream.Position;
var record = ReadRecord(br);
RecordOffsets.Add(currentOffset, record);
var percentComplete = currentOffset / (float)streamLength;
if (percentComplete - previousPercentComplete >= 0.10f)
{
output?.Invoke(String.Format("\t{0:00.00}%{1}", 100.0 * percentComplete, Environment.NewLine));
previousPercentComplete = percentComplete;
}
}
if (output != null)
{
var percentReady = 100.0f * br.BaseStream.Position / br.BaseStream.Length;
output(String.Format("\t{0:00.00}%{1}", percentReady, Environment.NewLine));
}
}
}
public void DeserializeRecords(string pathToBin, Action<string> output)
{
if (output != null)
{
output(Environment.NewLine);
output("Deserializing... ");
}
var Serialized = File.OpenRead(pathToBin);
var s = new BinaryReader(Serialized);
while (Serialized.Length - Serialized.Position > 1)
{
long offset = s.ReadInt64();
switch (s.ReadByte())
{
case 1:
RecordOffsets.Add(offset, new FileRecord(s.ReadInt64(), s.ReadUInt32(), s.ReadBytes(32), s.ReadString(), s.ReadInt64(), s.ReadInt64()));
break;
case 2:
long recordBegin = s.ReadInt64();
uint length = s.ReadUInt32();
long[] recordOffsets = new long[s.ReadInt32()];
for (int i = 0; i < recordOffsets.Length; i++)
{
recordOffsets[i] = s.ReadInt64();
}
RecordOffsets.Add(offset, new GgpkRecord(recordBegin, length, recordOffsets));
break;
case 3:
RecordOffsets.Add(offset, new FreeRecord(s.ReadUInt32(), s.ReadInt64(), s.ReadInt64()));
break;
case 4:
long recordBegin2 = s.ReadInt64();
uint length2 = s.ReadUInt32();
byte[] hash = s.ReadBytes(32);
string name = s.ReadString();
long entriesBegin = s.ReadInt64();
int entriesCount = s.ReadInt32();
var entries = new List<DirectoryRecord.DirectoryEntry>(entriesCount);
for (int i = 0; i < entriesCount; i++)
{
entries.Add(new DirectoryRecord.DirectoryEntry
{
EntryNameHash = s.ReadUInt32(),
Offset = s.ReadInt64(),
});
}
RecordOffsets.Add(offset, new DirectoryRecord(recordBegin2, length2, hash, name, entriesBegin, entries));
break;
}
}
Serialized.Flush();
Serialized.Close();
output?.Invoke("Done!" + Environment.NewLine);
}
