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→SOBJ
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Vertex groups come in a number of different formats. Typically the first vertex group entry is of format 0x40000002 and contains the actual vertex array.
Vertex group format 0x40000002:
Vertex group format 0x40000001: (?)
{| class="wikitable"
{| class="wikitable"
| 0x0
| 0x0
| 0x4
| 0x4
| Flags (0x40000001)
| Flags (0x40000002)
|-
|-
| 0x4
| 0x4
| 0x4
| 0x4
| Type ?
| ?
|-
|-
| 0x8
| 0x8
|-
|-
| 0x24
| 0x24
| 0x1
| 0x4
| ?
| Vertex stride/size in bytes (see below)
|-
|-
| 0x28
| 0x28
| 0x4
| 0x4
| ?
| Unknown3 count
|-
|-
| 0x2C
| 0x2C
| 0x4
| 0x4
| ? (float)
| Offset (self-relative) to component declaration offset array
|}
|}
Vertex group format 0x40000002:
Each mesh's primary vertex group contains an array of vertex component declaration objects, defining the parameters for each of a vertex's components.
Vertex component declaration:
{| class="wikitable"
{| class="wikitable"
| 0x0
| 0x0
| 0x4
| 0x4
| Flags (0x40000002)
| Flags (0x40000001)
|-
|-
| 0x4
| 0x4
| 0x4
| 0x4
| ?
| Vertex component type (see below)
|-
|-
| 0x8
| 0x8
| 0x14
| 0x14
| 0x4
| 0x4
| Vertex array size (in bytes)
| ?
|-
|-
| 0x18
| 0x18
| 0x4
| 0x4
| Offset (self-relative) to vertex array
| ?
|-
|-
| 0x1C
| 0x1C
|-
|-
| 0x24
| 0x24
| 0x4
| 0x1
| Vertex stride/size in bytes (see below)
| Component data type (see below)
|-
| 0x25
| 0x1
| ?
|-
| 0x26
| 0x1
| ?
|-
| 0x27
| 0x1
| ?
|-
|-
| 0x28
| 0x28
| 0x4
| 0x4
| Unknown3 count
| Number of values in this component (e.g. XYZ->3, UV->2)
|-
|-
| 0x2C
| 0x2C
| 0x4
| 0x4
| Offset (self-relative) to 0x40000001 offset array
| Multiplier for this component's values (float)
|-
| 0x30
| 0x4
| Position of this component within vertex stride
|}
|}
Observed sample vertex format sizes:
{| class="wikitable"
{| class="wikitable"
|}
|}
Vertex format 0x28 (and possibly others) supports multiple bone assignment. In this case, the sum of all bone weights is 0x64.
Vertex formats with bone data support multiple bone assignment. In this case, the sum of all bone weights is 0x64.
== TXOB ==
== TXOB ==