Sims 3:0x01D0E723

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


Vertex Format

This is a Sims 3:RCOL chunk found embedded in MODL and MLOD resources.

DWORD // 'VRTF'
DWORD // 00000002
DWORD // Vertex data length (Bytes)
DWORD // Declaration count
DWORD // Unknown (0)

For each count vertex declaration, a packed form of D3DVERTEXELEMENT
BYTE Usage // 0=position, 1=normal, 2=UV, 3=assignment, 4=skin weight, 5=tangent
BYTE UsageIndex
BYTE Type // compression format (see below)
BYTE Offset // Offset into the vertex declaration for the data
Compression formats:
07 = 3 floats in 4 words. The fourth word is an unsigned scaler, multiply each signed word by 1/scaler (or use 512 if zero)
06 = 2 floats in two words. Multiply the signed values by 1/32767
05 = 3 floats in 4 bytes. Order is little-endian, use the low order byte (4th) as an unsigned scaler value. For each remaining signed byte, if negative, add it, if positive, subtract it, then multiple the result by 1/scaler, or by 1/127 if scaler is 0
04 = 4 small ints.

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

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