public static byte[] CreateBlankAssets(string engineVersion, List <Type_0D> types)
{
using (MemoryStream ms = new MemoryStream())
using (AssetsFileWriter writer = new AssetsFileWriter(ms))
{
AssetsFileHeader header = new AssetsFileHeader()
{
metadataSize = 0,
fileSize = 0x1000,
format = 0x11,
offs_firstFile = 0x1000,
endianness = 0,
unknown = new byte[] { 0, 0, 0 }
};
TypeTree typeTree = new TypeTree()
{
unityVersion = engineVersion,
version = 0x5,
hasTypeTree = true,
fieldCount = (uint)types.Count(),
pTypes_Unity5 = types.ToArray()
};
header.Write(writer.Position, writer);
writer.bigEndian = false;
typeTree.Write(writer.Position, writer, 0x11);
writer.Write((uint)0);
writer.Align();
//preload table and dependencies
writer.Write((uint)0);
writer.Write((uint)0);
//due to a write bug in at.net we have to pad to 0x1000
while (ms.Position < 0x1000)
{
writer.Write((byte)0);
}
return(ms.ToArray());
}
}
public static void CreateBlankAssets(MemoryStream ms, string engineVersion, uint formatVersion, uint typeTreeVersion, bool hasTypeTree = false)
{
AssetsFileWriter writer = new AssetsFileWriter(ms);
AssetsFileHeader header = new AssetsFileHeader()
{
metadataSize = 0,
fileSize = -1,
format = formatVersion,
firstFileOffset = -1,
endianness = 0,
unknown = new byte[] { 0, 0, 0 }
};
TypeTree typeTree = new TypeTree()
{
unityVersion = engineVersion,
version = typeTreeVersion,
hasTypeTree = hasTypeTree,
fieldCount = 0,
unity5Types = new List <Type_0D>()
};
header.Write(writer);
typeTree.Write(writer, formatVersion);
writer.Write((uint)0); //AssetCount
writer.Align();
//preload table and dependencies
writer.Write((uint)0);
writer.Write((uint)0);
//secondaryTypeCount
if (header.format >= 0x14)
{
writer.Write(0);
}
uint metadataSize = (uint)(writer.Position - 0x13);
if (header.format >= 0x16)
{
metadataSize -= 0x1c;
}
if (writer.Position < 0x1000)
{
while (writer.Position < 0x1000)
{
writer.Write((byte)0x00);
}
}
else
{
if (writer.Position % 16 == 0)
{
writer.Position += 16;
}
else
{
writer.Align16();
}
}
long endPosition = writer.Position;
header.fileSize = endPosition;
header.firstFileOffset = endPosition;
header.metadataSize = metadataSize;
writer.Position = 0;
header.Write(writer);
writer.Position = endPosition;
}