DKRDS Model (File Format)

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DKRDS Model is the nameless file format used in Diddy Kong Racing DS that stores models and textures.

File Format

The file byte order is always little endian.

Header

The file starts with a header that is 48 bytes long. Unused models that might use an older version of the format have been seen with a 44-byte long header.

Offset	Type	Description
0x00	UInt16	Size flag. This flag indicates how much the vertex data is divided by in the short-to-float conversion: 0 = Divided by 16 (?) 1 = Divided by 4096 (?)
0x02	UInt16	Unknown various flags. Each bit seems to correspond to a different flag: 0 = If 1, bone IDs are attached to each vertex
0x04	UInt16	Number of models.
0x06	UInt16	Unknown.
0x08	UInt16	Number of textures.
0x0A	UInt16	Unknown.
0x0C	Int32	Unknown.
0x10	Byte[12]	Unknown. Padding? In earlier versions this would be an 8-byte padding instead
0x1C	Int32	Model Group offset.
0x20	Int32	Texture Group offset.
0x24	Int32	Texture Reference Table offset.
0x28	Int32	Unknown.
0x2C	Int32	Unknown.
0x30	End of header

Model Group

TBD

Texture Group

See DKRDS Texture Group.

Texture Reference Table

This section lists each 4-byte texture UID directly, in order. The index of each reference is used in the model data to know which texture corresponds to which triangle.

Offset	Type	Description
0x00	Byte[4][Number of Textures in Texture Group]	Texture UID.

Tools

The following tools can handle DKRDS Model:

• (none)