Defines groups of entities, their behaviors, and attributes.
| Offset | Type | Name | Description |
|---|---|---|---|
| 0x08 | UInt32 | Magic | 0x53696D47 ("SimG"). |
| 0x0C | UInt32 | GUIDHash | Hash of GUID. |
| 0x10 | UInt32 | EntityCount | Number of entities in the group. |
| Type | Name | Description |
|---|---|---|
| UInt8 | SpawnMask | Spawn configuration mask. |
| Byte[16] | GUID | Entity GUID (looked up via GuidOffset in header). |
| UInt32 | BehaviorID | Behavior identifier. |
| Bitfield | Attributes | Bitfield defining which attributes are active. Attributes are 4-byte values (Int, Float, or Pointers). |