Metro 2033 Redux content.vfx

Metro 2033 Redux content.vfx

struct Header
{
	uint32        Unknown0;
	uint32        Unknown1;
	
	uint32        Unknown2;
	uint32        Unknown3;
	uint32        Unknown4;
	uint32        Unknown5;
	
	uint32        PackFileCount;
	uint32        INodeCount;
	uint32        UnknownCount;
	
	PackFileEntry PackFiles [PackFileCount];
	INodeEntry    INodes    [INodeCount];
	UnknownEntry  Unknowns  [UnknownCount];
	
	uint32        Unknown6 = 0x00000000;
	uint32        Unknown7 = 0x00000000;
};

struct PackFileEntry
{
	stringz       FileName;
	uint32        PathCount;
	stringz       Paths [PathCount];
	uint32        PackFileSize;
};

[SubtypeDiscriminator ("NodeType")]
struct INodeEntry
{
	uint16        NodeType;
};

[Condition ("NodeType == 0x0008")]
struct INodeDirectory : INodeEntry
{
	uint16        ChildINodeCount;
	uint32        Unknown0;
	StringXN8     Name;
};

[Condition ("NodeType == 0x0000")]
struct INodeFile : INodeEntry
{
	uint16        PackFileIndex;
	uint32        Unknown2;
	uint32        Unknown3;
	uint32        Unknown4;
	StringXN8     Name;
};

struct UnknownEntry
{
	uint16        Unknown0;
	uint16        PackFileIndex;
	uint32        Unknown1;
	uint32        Unknown2;
	uint32        Unknown3;
	uint32        Unknown4;
};

struct StringXN8
{
	uint8         Length;
	uint8         XorKey;
	char          EncodedString [Length - 1];
	uint8         NullTerminator = 0x00;
	
	string GetString ()
	{
		char[] decodedString = new char [this.Length - 1];
		
		for (int i = 0; i < this.Length; i++)
		{
			decodedString [i] = xor (this.XorKey, this.EncodedString [i]);
		}
	
		return decodedString;
	}
};