Environment
File id	$00	12	File id
Level id	$04	17	Level id
PNTA-link	$08	12	Link to the 3D Point Array
PLEA-link	$0C	12	Link to the Plane Equation Array
TXCA-link	$10	12	Link to the Texture Coordinate Array
AGQG-link	$14	12	Link to the Gunk Quad General Array
AGQR-link	$18	12	Link to the Gunk Quad Render Array
AGQC-link	$1C	12	Link to the Gunk Quad Collision Array
AGDB-link	$20	12	Link to the Gunk Quad Debug Array
TXMA-link	$24	12	Link to the Texture Map Array
AKVA-link	$28	12	Link to the BNV Node Array
AKBA-link	$2C	12	Link to the Side Array
IDXA-link	$30	12	Link to the Index Array
IDXA-link	$34	12	Link to the Index Array
AKBP-link	$38	12	Link to the BSP Node Array
ABNA-link	$3C	12	Link to the BSP Tree Node Array
AKOT-link	$40	12	Link to the Oct Tree
AKAA-link	$44	12	Link to the Adjacency Array
AKDA-link	$48	12	Link to the Door Frame Array
Neg. x-coordinate	$4C	9	Maximal negative x-coordinate of the level model
Neg. y-coordinate	$50	9	Maximal negative y-coordinate of the level model
Neg. z-coordinate	$54	9	Maximal negative z-coordinate (height) of the level model
Pos. x-coordinate	$58	9	Maximal positive x-coordinate of the level model
Pos. y-coordinate	$5C	9	Maximal positive y-coordinate (height) of the level model
Pos. z-coordinate	$60	9	Maximal positive z-coordinate of the level model
Not used	$64	1024	Not used
Unknown	$7C	9	Unknown; maybe the tolerance