jak-project/goal_src/jak3/engine/physics/dynamics-h.gc

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

;; name: dynamics-h.gc
;; name in dgo: dynamics-h
;; dgos: GAME

;; DECOMP BEGINS

(deftype dynamics (basic)
  ((name            symbol)
   (gravity-max     meters)
   (gravity-length  meters)
   (gravity         vector  :inline)
   (gravity-normal  vector  :inline)
   (walk-distance   meters)
   (run-distance    meters)
   )
  (:methods
    (set-gravity-length (_type_ float) none)
    )
  )


(defmethod set-gravity-length ((this dynamics) (arg0 float))
  (set! (-> this gravity-length) arg0)
  (vector-float*! (-> this gravity) (-> this gravity-normal) arg0)
  0
  (none)
  )

(defun time-to-apex ((arg0 float) (arg1 float))
  (the int (/ arg0 (- (* 0.0033333334 arg1))))
  )

(defun time-to-ground ((arg0 float) (arg1 float) (arg2 float))
  (let ((f0-0 0.0)
        (v0-0 0)
        )
    (while (< (- arg2) f0-0)
      (set! arg0 (- arg0 (* 0.0033333334 arg1)))
      (+! f0-0 (* 0.0033333334 arg0))
      (+! v0-0 1)
      )
    v0-0
    )
  )

(define *standard-dynamics* (new 'static 'dynamics
                              :name 'standard
                              :gravity-max (meters 40)
                              :gravity-length (meters 60)
                              :gravity (new 'static 'vector :y 245760.0 :w 1.0)
                              :gravity-normal (new 'static 'vector :y 1.0 :w 1.0)
                              :walk-distance (meters 2)
                              :run-distance (meters 5)
                              )
        )