jak-project/goal_src/jak1/engine/geometry/vol-h.gc

;;-*-Lisp-*-
(in-package goal)
(bundles "ENGINE.CGO" "GAME.CGO")
(require "engine/entity/res.gc")
(require "kernel/gstate.gc")
(require "engine/draw/drawable-h.gc")
(require "engine/game/main-h.gc")
(require "engine/entity/entity-h.gc")
(require "engine/game/game-h.gc")

;; DECOMP BEGINS

(deftype plane-volume (structure)
  ((volume-type  symbol)
   (point-count  int16)
   (normal-count int16)
   (first-point  (pointer vector))
   (first-normal (pointer vector))
   (num-planes   int32)
   (plane        (inline-array plane)))
  :pack-me
  (:methods
   (init-vol! (_type_ symbol vector-array vector-array) symbol)
   (debug-draw (_type_) none)
   (point-in-vol? (_type_ vector float) symbol)))

(deftype vol-control (basic)
  ((flags         uint32)
   (process       process-drawable)
   (pos-vol-count int32)
   (pos-vol       plane-volume 32 :inline)
   (neg-vol-count int32)
   (neg-vol       plane-volume 32 :inline)
   (debug-point   vector-array)
   (debug-normal  vector-array))
  (:methods
   (new (symbol type process-drawable) _type_)
   (init! (_type_) symbol)
   (point-in-vol? (_type_ vector) symbol)
   (vol-control-method-11 (_type_) symbol)))

(defmethod new vol-control ((allocation symbol) (type-to-make type) (arg0 process-drawable))
  (let ((gp-0 (the-as object (object-new allocation type-to-make (the-as int (-> type-to-make size))))))
    (when (zero? (the-as vol-control gp-0))
      (go process-drawable-art-error "memory")
      (set! gp-0 0)
      (goto cfg-13))
    (set! (-> (the-as vol-control gp-0) process) arg0)
    (let* ((s5-1 (the-as res-lump (-> (the-as vol-control gp-0) process entity)))
           (s4-0 (-> ((method-of-type res-lump lookup-tag-idx) (the-as entity-actor s5-1) 'vol 'exact 0.0) lo)))
      (when (>= (the-as int s4-0) 0)
        (let ((s3-0 (the-as int s4-0))
              (s2-0 (-> s5-1 tag s4-0)))
          0
          (while (= (-> s2-0 name) (-> s5-1 tag s4-0 name))
            (let ((v1-12 (make-property-data s5-1 0.0 (the-as res-tag-pair s3-0) (the-as pointer #f)))
                  (a0-8 (-> (the-as vol-control gp-0) pos-vol (-> (the-as vol-control gp-0) pos-vol-count))))
              (set! (-> a0-8 num-planes) (the-as int (-> s2-0 elt-count)))
              (set! (-> a0-8 plane) (the-as (inline-array plane) v1-12)))
            (+! (-> (the-as vol-control gp-0) pos-vol-count) 1)
            (+! s3-0 1)
            (set! s2-0 (-> s5-1 tag s3-0))))))
    (let* ((s5-2 (the-as res-lump (-> (the-as vol-control gp-0) process entity)))
           (s4-1 (-> ((method-of-type res-lump lookup-tag-idx) (the-as entity-actor s5-2) 'cutoutvol 'exact 0.0) lo)))
      (when (>= (the-as int s4-1) 0)
        (let ((s3-1 (the-as int s4-1))
              (s2-1 (-> s5-2 tag s4-1)))
          0
          (while (= (-> s2-1 name) (-> s5-2 tag s4-1 name))
            (let ((v1-31 (make-property-data s5-2 0.0 (the-as res-tag-pair s3-1) (the-as pointer #f)))
                  (a0-19 (-> (the-as vol-control gp-0) neg-vol (-> (the-as vol-control gp-0) neg-vol-count))))
              (set! (-> a0-19 num-planes) (the-as int (-> s2-1 elt-count)))
              (set! (-> a0-19 plane) (the-as (inline-array plane) v1-31)))
            (+! (-> (the-as vol-control gp-0) neg-vol-count) 1)
            (+! s3-1 1)
            (set! s2-1 (-> s5-2 tag s3-1))))))
    (label cfg-13)
    (the-as vol-control gp-0)))

(defmethod vol-control-method-11 ((this vol-control))
  (and *display-vol-marks* (logtest? (-> this flags) 1)))