WDD

WDD is the format used for ped models and lod models in GTA IV.

File Format
RSC CPU section (Size found from the flags @ 0x08 of RSC file header)

-Note on RSC (24 + 8) pointer structure:

* CPU Offsets are of form [xx xx xx 50] * Data Offsets are of form [xx xx xx 60]

WDD Header --- Offset	Size	Type	Data			Description --- 0x00	4b	LONG	VTable		0xA4536900 0x04	4b	Offset	BlockMapAdress		Marks end of Header 0x08	4b	LONG	ParentDictionary	(Usually 0) 0x0C	4b	LONG	UsageCount		(Usually 1) 0x10	8b	SimpleCollection	Contains hashes of the models 0x18	8b	PointerCollection		Contains Pointers to WDR files 0x1C	4b	LONG	Unknown 0x20	12b	0xCD Padding till 0x0F

PointerCollection (BlockSize 0x08) Contains pointers to the data of the given type 0x00	4b	Offset	Offset to the Pointers 0x04	2b	Short	Number of Pointers 0x06	2b	Short

SimpleCollection (BlockSize 0x08) Contains data of the given type 0x00	4b	Offset	Offset to the Data 0x04	2b	Short	Data Count 0x06	2b	Short	Data Size