internal static GrfItem CreateV1(GrfArchive grf, string name, int compressedLength, int compressedLengthAligned, int realLength, GrfFileFlags flags, int position)
{
GrfItem ret = Create(grf, name, compressedLength, compressedLengthAligned, realLength, flags, position);
ret.m_Flags |= (CheckExtension(name) ? GrfFileFlags.Des_0x14 : GrfFileFlags.MixCrypt);
return(ret);
}
private void ReadVer2Info()
{
if (m_IntVersion != 0x200)
{
throw new GrfException();
}
byte[] buf = new byte[8], zbuf;
int len, len2;
FileStream.Read(buf, 0, 8);
len = EndianConverter.LittleEndian(BitConverter.ToInt32(buf, 0));
if (0 == (len2 = EndianConverter.LittleEndian(BitConverter.ToInt32(buf, 4))))
{
return;
}
zbuf = new byte[len];
FileStream.Read(zbuf, 0, len);
using (IntPtrEx pBuffer = new IntPtrEx(ZlibStream.UncompressBuffer(zbuf)))
{
string name = null;
GrfItem item;
try
{
for (int i = 0, offset = 0; i < m_Items.Capacity; i++, offset += 0x11)
{
name = pBuffer.Read <string>(offset);
len = name.Length + 1;
if (len >= GRF_NAMELEN)
{
throw new GrfException();
}
offset += len;
item = GrfItem.CreateV2
(
this,
name,
EndianConverter.LittleEndian(pBuffer.Read <int>(offset)),
EndianConverter.LittleEndian(pBuffer.Read <int>(offset + 4)),
EndianConverter.LittleEndian(pBuffer.Read <int>(offset + 8)),
(GrfFileFlags)pBuffer[offset + 0xC],
EndianConverter.LittleEndian(pBuffer.Read <int>(offset + 0xD)) + GRF_HEADER_FULL_LEN
);
m_Items.GrfAdd(item);
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
}
internal bool CheckExtension()
{
return(GrfItem.CheckExtension(m_Name));
}
private void ReadVer1Info()
{
if (m_IntVersion > 0x103)
{
throw new GrfException();
}
int offset = (int)FileStream.Position;
int len2, len = (int)FileStream.Length - offset;
byte[] buffer = new byte[len], namebuf = new byte[GRF_NAMELEN];
try
{
FileStream.Read(buffer, 0, len);
string name = null;
GrfItem item;
using (IntPtrEx pBuffer = new IntPtrEx(buffer))
{
for (int i = offset = 0; i < m_Items.Capacity; i++)
{
len = EndianConverter.LittleEndian(pBuffer.Read <int>(offset));
offset += 4;
if (m_IntVersion < 0x101)
{
len2 = pBuffer.Read <string>(offset).Length;
if (len2 >= GRF_NAMELEN)
{
throw new GrfException();
}
name = SwapNibbles(pBuffer + offset, len2);
}
else if (m_IntVersion < 0x104)
{
offset += 2;
len2 = len - 6;
if (len2 >= GRF_NAMELEN)
{
throw new GrfException();
}
SwapNibbles(namebuf, pBuffer + offset, len2);
name = GrfCrypt.DecryptNameVer1(namebuf, len2);
len -= 2;
}
offset += len;
item = GrfItem.CreateV1
(
this,
name,
EndianConverter.LittleEndian(pBuffer.Read <int>(offset)) - EndianConverter.LittleEndian(pBuffer.Read <int>(offset + 8)) - 0x02CB,
EndianConverter.LittleEndian(pBuffer.Read <int>(offset + 4)) - 0x92CB,
EndianConverter.LittleEndian(pBuffer.Read <int>(offset + 8)),
(GrfFileFlags)pBuffer[offset + 0xC],
EndianConverter.LittleEndian(pBuffer.Read <int>(offset + 0xD)) + GRF_HEADER_FULL_LEN
);
m_Items.GrfAdd(item);
offset += 0x11;
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}