Sims 3:0x01661233

Sims 3:Main Page -> Sims 3:PackedFileTypes
Sims 3:Main Page -> Sims 3:RCOL

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Object Model

This is a Sims 3:RCOL chunk. The .model files that it is found in are essentially object mesh files, with this chunk included. A few meshes have two MODL chunks, purpose unknown.

DWORD     // 'MODL'
DWORD     version (256 or 258)
DWORD     count number of MLOD references
FLOAT[6]  bounding box for entire object (MinX/MinY/MinZ/MaxX/MaxY/MaxZ)
(if version>=258) DWORD[3]

MLOD Reference

WORD Index in TGI Index of the MODL RCOL
WORD Index Type (0x0000 = Internal resources tgi index , 0x3000 = External resources tgi index)
DWORD unknown
DWORD LOD (0x00000000, 0x00000001, 0x00010000, 0x00010001)
DWORD unknown
DWORD unknown

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Sims 3:Main Page -> Sims 3:PackedFileTypes
Sims 3:Main Page -> Sims 3:RCOL

Based on contributions from karybdis and atavera