;;-*-Lisp-*-
(in-package goal)

;; definition of type bsp-node
(deftype bsp-node (structure)
  "A node in the 'BSP' tree. This is really a bounding volume tree, where each volume is an axis-aligned box, containing 2 child boxes.
This is used for precomputed visibility, based on the camera position. This is not used for collision."
  ((front          int16)
   (back           int16)
   (front-box-min  vector4b  :inline)
   (front-box-max  vector4b  :inline)
   (back-box-min   vector4b  :inline)
   (back-box-max   vector4b  :inline)
   )
  :pack-me
  )

;; definition for method 3 of type bsp-node
(defmethod inspect ((this bsp-node))
  (when (not this)
    (set! this this)
    (goto cfg-4)
    )
  (format #t "[~8x] ~A~%" this 'bsp-node)
  (format #t "~1Tfront: ~D~%" (-> this front))
  (format #t "~1Tback: ~D~%" (-> this back))
  (format #t "~1Tfront-box-min: #<vector4b @ #x~X>~%" (-> this front-box-min))
  (format #t "~1Tfront-box-max: #<vector4b @ #x~X>~%" (-> this front-box-max))
  (format #t "~1Tback-box-min: #<vector4b @ #x~X>~%" (-> this back-box-min))
  (format #t "~1Tback-box-max: #<vector4b @ #x~X>~%" (-> this back-box-max))
  (label cfg-4)
  this
  )

;; definition of type bsp-header
(deftype bsp-header (drawable)
  "The bsp-header is really an entire level.
This probably started as a very simple structure, but now it is extremely complicated."
  ((info                     file-info                  :overlay-at id)
   (all-visible-list         (pointer uint16))
   (visible-list-length      int16)
   (extra-vis-list-length    int16)
   (drawable-trees           drawable-tree-array)
   (pat                      pointer)
   (pat-length               int32)
   (texture-remap-table      (pointer uint64))
   (texture-remap-table-len  int32)
   (texture-ids              (pointer texture-id))
   (texture-page-count       int32)
   (unknown-basic            basic)
   (name                     symbol)
   (nickname                 symbol)
   (vis-info                 level-vis-info             8)
   (actors                   drawable-inline-array-actor)
   (cameras                  (array entity-camera))
   (nodes                    (inline-array bsp-node))
   (level                    level)
   (current-leaf-idx         uint16)
   (texture-flags            texture-page-flag          10)
   (cam-outside-bsp          uint8                      :offset 152)
   (cam-using-back           uint8)
   (cam-box-idx              uint16)
   (ambients                 symbol)
   (subdivide-close          float)
   (subdivide-far            float)
   (race-meshes              (array entity-race-mesh))
   (actor-birth-order        (pointer uint32))
   (light-hash               light-hash)
   (nav-meshes               (array entity-nav-mesh))
   (actor-groups             (array actor-group))
   (region-trees             (array drawable-tree-region-prim))
   (region-array             region-array)
   (collide-hash             collide-hash)
   (wind-array               uint32                     :offset 200)
   (wind-array-length        int32                      :offset 204)
   (city-level-info          city-level-info            :offset 208)
   (vis-spheres              vector-array               :offset 216)
   (vis-spheres-length       uint32                     :offset 248)
   (region-tree              drawable-tree-region-prim  :offset 252)
   (tfrag-masks              texture-masks-array)
   (tfrag-closest            (pointer float))
   (tfrag-mask-count         uint32                     :overlay-at tfrag-closest)
   (shrub-masks              texture-masks-array)
   (shrub-closest            (pointer float))
   (shrub-mask-count         uint32                     :overlay-at shrub-closest)
   (alpha-masks              texture-masks-array)
   (alpha-closest            (pointer float))
   (alpha-mask-count         uint32                     :overlay-at alpha-closest)
   (water-masks              texture-masks-array)
   (water-closest            (pointer float))
   (water-mask-count         uint32                     :overlay-at water-closest)
   (bsp-scale                vector                     :inline)
   (bsp-offset               vector                     :inline)
   (end                      uint8                      :offset 399)
   )
  (:methods
    (birth (_type_) none)
    (deactivate-entities (_type_) none)
    )
  )

;; definition of type game-level
(deftype game-level (basic)
  "Unused in Jak 1, 2, and 3!"
  ((master-bsp  basic)
   )
  )

;; definition for method 3 of type game-level
(defmethod inspect ((this game-level))
  (when (not this)
    (set! this this)
    (goto cfg-4)
    )
  (format #t "[~8x] ~A~%" this (-> this type))
  (format #t "~1Tmaster-bsp: ~A~%" (-> this master-bsp))
  (label cfg-4)
  this
  )

;; definition of type view-frustum
(deftype view-frustum (structure)
  "A view frustum, expressed as corners.
This representation is not very useful, and is used in only one spot to generate camera planes
in a very inefficient way."
  ((hither-top-left      vector  :inline)
   (hither-top-right     vector  :inline)
   (hither-bottom-left   vector  :inline)
   (hither-bottom-right  vector  :inline)
   (yon-top-left         vector  :inline)
   (yon-top-right        vector  :inline)
   (yon-bottom-left      vector  :inline)
   (yon-bottom-right     vector  :inline)
   )
  )

;; definition for method 3 of type view-frustum
(defmethod inspect ((this view-frustum))
  (when (not this)
    (set! this this)
    (goto cfg-4)
    )
  (format #t "[~8x] ~A~%" this 'view-frustum)
  (format #t "~1Thither-top-left: #<vector @ #x~X>~%" (-> this hither-top-left))
  (format #t "~1Thither-top-right: #<vector @ #x~X>~%" (-> this hither-top-right))
  (format #t "~1Thither-bottom-left: #<vector @ #x~X>~%" (-> this hither-bottom-left))
  (format #t "~1Thither-bottom-right: #<vector @ #x~X>~%" (-> this hither-bottom-right))
  (format #t "~1Tyon-top-left: #<vector @ #x~X>~%" (-> this yon-top-left))
  (format #t "~1Tyon-top-right: #<vector @ #x~X>~%" (-> this yon-top-right))
  (format #t "~1Tyon-bottom-left: #<vector @ #x~X>~%" (-> this yon-bottom-left))
  (format #t "~1Tyon-bottom-right: #<vector @ #x~X>~%" (-> this yon-bottom-right))
  (label cfg-4)
  this
  )

;; definition for method 3 of type bsp-header
(defmethod inspect ((this bsp-header))
  (format #t "[~8x] ~A~%" this (-> this type))
  (format #t "~Tall-visible-list: #x~X~%" (-> this all-visible-list))
  (format #t "~Tvisible-list-length: ~D~%" (-> this visible-list-length))
  (format #t "~Tdrawable-trees: ~A~%" (-> this drawable-trees))
  (format #t "~Tpat: #x~X~%" (-> this pat))
  (format #t "~Tpat-length: ~D~%" (-> this pat-length))
  (inspect-bsp-tree this (-> this nodes 0))
  this
  )

;; definition (debug) for function inspect-bsp-tree
;; WARN: Return type mismatch bsp-header vs none.
(defun-debug inspect-bsp-tree ((arg0 bsp-header) (arg1 bsp-node))
  "Attempt to print a bsp-tree, but it is actually broken since the jak 2 bsp format change"
  (cond
    ((zero? arg1)
     )
    (else
      (format #t "_#x~X________________~%" arg1)
      (inspect arg1)
      (let ((s4-0 *print-column*))
        (set! *print-column* (+ *print-column* 64))
        (if (> (-> arg1 front) 0)
            (inspect-bsp-tree arg0 (the-as bsp-node (-> arg1 front)))
            (format #t "_#x~X________________~%" arg1)
            )
        (if (> (-> arg1 back) 0)
            (inspect-bsp-tree arg0 (the-as bsp-node (-> arg1 back)))
            (format #t "_#x~X________________~%" arg1)
            )
        (set! *print-column* s4-0)
        )
      )
    )
  (none)
  )

;; definition for function map-bsp-tree
;; WARN: Return type mismatch bsp-header vs none.
(defun map-bsp-tree ((arg0 (function bsp-node none)) (arg1 bsp-header) (arg2 bsp-node))
  "Attempt to call a function on all bsp-tree nodes, but it is actually broken since the jak 2 bsp format"
  (cond
    ((zero? arg2)
     )
    (else
      (if (> (-> arg2 front) 0)
          (map-bsp-tree arg0 arg1 (the-as bsp-node (-> arg2 front)))
          (arg0 arg2)
          )
      (if (> (-> arg2 back) 0)
          (map-bsp-tree arg0 arg1 (the-as bsp-node (-> arg2 back)))
          (arg0 arg2)
          )
      )
    )
  (none)
  )

;; definition of type collide-stats
(deftype collide-stats (structure)
  "Very strange collide stats type. It has been somewhat broken in all versions of the game.
The final stopwatch is cut off. For jak 3, I just fixed it."
  ((calls              uint32)
   (spheres            uint32)
   (nodes              uint32)
   (frags              uint32)
   (tris               uint32)
   (output             uint32)
   (pad0               uint32  2)
   (total-target       uint32  8)
   (target-cache-fill  uint32  8)
   (target-ray-poly    uint32  6)
   )
  )

;; definition for method 3 of type collide-stats
(defmethod inspect ((this collide-stats))
  (when (not this)
    (set! this this)
    (goto cfg-4)
    )
  (format #t "[~8x] ~A~%" this 'collide-stats)
  (format #t "~1Tcalls: ~D~%" (-> this calls))
  (format #t "~1Tspheres: ~D~%" (-> this spheres))
  (format #t "~1Tnodes: ~D~%" (-> this nodes))
  (format #t "~1Tfrags: ~D~%" (-> this frags))
  (format #t "~1Ttris: ~D~%" (-> this tris))
  (format #t "~1Toutput: ~D~%" (-> this output))
  (format #t "~1Ttotal-target: #<stopwatch @ #x~X>~%" (&-> this pad0 1))
  (format #t "~1Ttarget-cache-fill: #<stopwatch @ #x~X>~%" (&-> this total-target 7))
  (format #t "~1Ttarget-ray-poly: #<stopwatch @ #x~X>~%" (&-> this target-cache-fill 7))
  (label cfg-4)
  this
  )

;; failed to figure out what this is:
0