// Token: 0x060012BE RID: 4798 RVA: 0x0006D6F8 File Offset: 0x0006B8F8
private void WriteLzxPatch(Stream stream, DataPatching patchGenerator, byte[] oldBuffer, int oldSize, byte[] newBuffer, int newSize)
{
if (oldBuffer.Length != oldSize)
{
oldBuffer = DiffFileGenerator.GetArraySegment(oldBuffer, 0, oldSize);
}
if (newBuffer.Length != newSize)
{
newBuffer = DiffFileGenerator.GetArraySegment(newBuffer, 0, newSize);
}
byte[] array;
if (patchGenerator.TryGenerate(oldBuffer, newBuffer, out array))
{
uint crc = OABCRC.ComputeCRC(OABCRC.DefaultSeed, newBuffer);
this.WritePatchBlock(stream, oldBuffer.Length, newBuffer.Length, array, array.Length, crc);
return;
}
byte[][] array2 = DiffFileGenerator.SplitByteArray(oldBuffer);
byte[][] array3 = DiffFileGenerator.SplitByteArray(newBuffer);
for (int i = 0; i < 2; i++)
{
if (patchGenerator.TryGenerate(array2[i], array3[i], out array))
{
uint crc2 = OABCRC.ComputeCRC(OABCRC.DefaultSeed, array3[i]);
this.WritePatchBlock(stream, array2[i].Length, array3[i].Length, array, array.Length, crc2);
}
}
}
