*.cform (Collision Form)
About
Contains a solid map structure. All tangible objects with materials live here. Because of this, the game knows with what sound and property objects should react when they are hit by bullets or walked on
Technical information
- Format version: 4
The file consists of one block, which contains the following
| Value | Size | |
|---|---|---|
| Version | 4 for build 1537 and higher | DWord(4) |
| Number of vertices | - | DWord(4) |
| Number of triangles | - | DWord(4) |
| BBox diagonal | - | 24 bytes |
| vertices | - | - |
| triangles | - | - |
BBox
BBox describes the entire map, including absolutely all static objects. The BBox diagonal is represented by two vertices that have the same format as the others:
| Coordinates | Offset | Size |
|---|---|---|
| X coordinate | 0 | Single(4) |
| Z coordinate | 4 | Single(4) |
| Y coordinate | 8 | Single(4) |
Triangle
| Offset | Size | |
|---|---|---|
| First Index | 0 | DWord(4) |
| Second index | 4 | DWord(4) |
| Third index | 8 | DWord(4) |
| Material ID (14 bits) and flags in the two highest bits | 12 | Word(2) |
| Sector number | 14 | Word(2) |