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); } }