private static void UpdateUDKOffsets(ExportEntry export, int newDataOffset)
{
if (export.IsDefaultObject)
{
return; //this is not actually instance of that class
}
//update offsets for pcc-stored mips in Textures
if (export.IsTexture())
{
int baseOffset = newDataOffset + export.propsEnd();
MemoryStream binData = new MemoryStream(export.getBinaryData());
binData.Skip(12);
binData.WriteInt32(baseOffset + (int)binData.Position + 4);
for (int i = binData.ReadInt32(); i > 0 && binData.Position < binData.Length; i--)
{
var storageFlags = (StorageFlags)binData.ReadInt32();
if (!storageFlags.HasFlag(StorageFlags.externalFile)) //pcc-stored
{
int uncompressedSize = binData.ReadInt32();
int compressedSize = binData.ReadInt32();
binData.WriteInt32(baseOffset + (int)binData.Position + 4); //update offset
binData.Seek((storageFlags == StorageFlags.noFlags ? uncompressedSize : compressedSize) + 8, SeekOrigin.Current); //skip texture and width + height values
}
else
{
binData.Seek(20, SeekOrigin.Current);//skip whole rest of mip definition
}
}
binData.Skip(40);
binData.WriteInt32(baseOffset + (int)binData.Position + 4);
export.setBinaryData(binData.ToArray());
}
}
private static void UpdateME1Offsets(ExportEntry export, int newDataOffset)
{
if (export.IsDefaultObject)
{
return; //this is not actually instance of that class
}
if (export.IsTexture())
{
int baseOffset = newDataOffset + export.propsEnd();
MemoryStream binData = new MemoryStream(export.getBinaryData());
binData.Skip(12);
binData.WriteInt32(baseOffset + (int)binData.Position + 4);
for (int i = binData.ReadInt32(); i > 0 && binData.Position < binData.Length; i--)
{
var storageFlags = (StorageFlags)binData.ReadInt32();
if (!storageFlags.HasFlag(StorageFlags.externalFile)) //pcc-stored
{
int uncompressedSize = binData.ReadInt32();
int compressedSize = binData.ReadInt32();
binData.WriteInt32(baseOffset + (int)binData.Position + 4); //update offset
binData.Seek((storageFlags == StorageFlags.noFlags ? uncompressedSize : compressedSize) + 8, SeekOrigin.Current); //skip texture and width + height values
}
else
{
binData.Seek(20, SeekOrigin.Current);//skip whole rest of mip definition
}
}
export.setBinaryData(binData.ToArray());
}
else if (export.ClassName == "StaticMeshComponent")
{
int baseOffset = newDataOffset + export.propsEnd();
MemoryStream bin = new MemoryStream(export.Data);
bin.JumpTo(export.propsEnd());
int lodDataCount = bin.ReadInt32();
for (int i = 0; i < lodDataCount; i++)
{
int shadowMapCount = bin.ReadInt32();
bin.Skip(shadowMapCount * 4);
int shadowVertCount = bin.ReadInt32();
bin.Skip(shadowVertCount * 4);
int lightMapType = bin.ReadInt32();
if (lightMapType == 0)
{
continue;
}
int lightGUIDsCount = bin.ReadInt32();
bin.Skip(lightGUIDsCount * 16);
switch (lightMapType)
{
case 1:
bin.Skip(4 + 8);
int bulkDataSize = bin.ReadInt32();
bin.WriteInt32(baseOffset + (int)bin.Position + 4);
bin.Skip(bulkDataSize);
bin.Skip(12 * 4 + 8);
bulkDataSize = bin.ReadInt32();
bin.WriteInt32(baseOffset + (int)bin.Position + 4);
bin.Skip(bulkDataSize);
break;
case 2:
bin.Skip((16) * 4 + 16);
break;
}
}
}
}
