meta:
  id: quake_nav
  title: Quake 2021 Re-Release Bot Navigation
  file-extension: nav
  endian: le

seq:
  - id: magic_number
    contents: 'NAV2'
  - id: unknown1
    type: u4
  - id: node_count
    type: u4
  - id: link_count
    type: u4
  - id: traversal_count
    type: u4
  - id: nodes
    type: node
    repeat: expr
    repeat-expr: node_count
  - id: node_origins
    type: vector3
    repeat: expr
    repeat-expr: node_count
  - id: links
    type: link
    repeat: expr
    repeat-expr: link_count
  - id: traversals
    type: traversal
    repeat: expr
    repeat-expr: traversal_count
  - id: edict_count
    type: u4
  - id: edicts
    type: edict
    repeat: expr
    repeat-expr: edict_count

types:
  node:
    seq:
      - id: flags
        type: u2
      - id: connection_count
        type: u2
      - id: connection_start_index
        type: u2
      - id: radius
        type: u2

  vector3:
    seq:
      - id: x
        type: f4
      - id: y
        type: f4
      - id: z
        type: f4

  link:
    seq:
      - id: destination
        type: u2
      - id: type
        type: u2
      - id: traversal_index
        type: u2

  traversal:
    seq:
      - id: node_exit
        type: vector3
      - id: jump_start
        type: vector3
      - id: jump_end
        type: vector3

  edict:
    seq:
      - id: connection_id
        type: u2
      - id: mins
        type: vector3
      - id: maxs
        type: vector3
      - id: targetname_string
        type: u4
      - id: classname_string
        type: u4