jak-project/goal_src/jak1/engine/camera/camera-h.gc

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

;; name: camera-h.gc
;; name in dgo: camera-h
;; dgos: GAME, ENGINE

;; TODO - for cam-layout
(define-extern v-slrp2! (function vector vector vector float vector float vector))
(define-extern v-slrp3! (function vector vector vector vector float vector))
(declare-type camera-slave process)
(declare-type camera-master process)
(declare-type tracking-point structure)
(declare-type cam-rotation-tracker structure)
(declare-type camera-combiner process)
;; TODO - for cam-master
;; TODO - for camera
(define-extern camera-line-rel-len (function vector vector float vector4w none))
(define-extern cam-calc-follow! (function cam-rotation-tracker vector symbol vector))
(define-extern slave-set-rotation! (function cam-rotation-tracker vector float float symbol none))
;; TODO - for cam-combiner
(define-extern paused? (function symbol))
;; TODO - for cam-start
(define-extern cam-master-init (function none :behavior camera-master))


(defenum cam-slave-options
  :bitfield #t
  (BUTT_CAM)
  (SAME_SIDE)
  (MOVE_SPHERICAL)
  (ALLOW_Z_ROT)
  (JUMP_PITCHES)
  (COLLIDE)
  (FIND_HIDDEN_TARGET)
  (DRAG)
  (PLAYER_MOVING_CAMERA)
  (LINE_OF_SIGHT)
  (MOVEMENT_BLOCKED)
  (SHRINK_MAX_ANGLE)
  (GOTO_GOOD_POINT)
  (BLOCK_SHIFT_BUTTONS)
  (BIKE_MODE)
  (NO_ROTATE)
  (STICKY_ANGLE)
  (AIR_EXIT)
  )

(defenum cam-index-options
  :type uint32
  :bitfield #t
  (RADIAL)
  (SPHERICAL)
  )

(defenum slave-los-state
  :type uint32
  (none 0)
  (cw 1)
  (ccw 2)
  (between 3)
  )

;; DECOMP BEGINS

(deftype camera-bank (basic)
  ((collide-move-rad         float)
   (joypad                   uint32)
   (min-detectable-velocity  float)
   (attack-timeout           time-frame)
   (default-string-max-y     meters)
   (default-string-min-y     meters)
   (default-string-max-z     meters)
   (default-string-min-z     meters)
   (default-string-push-z    meters)
   (default-tilt-adjust      degrees)
   )
  )


(define *CAMERA-bank* (new 'static 'camera-bank
                        :collide-move-rad 1638.4
                        :min-detectable-velocity 40.96
                        :attack-timeout (seconds 0.25)
                        :default-string-max-y (meters 3)
                        :default-string-min-y (meters 1)
                        :default-string-max-z (meters 12.5)
                        :default-string-min-z (meters 5)
                        :default-string-push-z (meters 10)
                        :default-tilt-adjust (degrees -6.5000005)
                        )
        )

(deftype cam-index (structure)
  ((flags  cam-index-options)
   (vec    vector  2 :inline :offset  16)
   )
  (:methods
    (cam-index-method-9 (_type_ symbol entity vector curve) symbol)
    (cam-index-method-10 (_type_ vector) float)
    )
  )


(deftype tracking-point (structure)
  ((position     vector  :inline)
   (direction    vector  :inline)
   (tp-length    float)
   (next         int32)
   (incarnation  int32)
   )
  )


(deftype tracking-spline-sampler (structure)
  ((cur-pt      int32)
   (partial-pt  float)
   )
  )


(deftype tracking-spline (structure)
  ((point               tracking-point  32 :inline)
   (summed-len          float)
   (free-point          int32)
   (used-point          int32)
   (partial-point       float)
   (end-point           int32)
   (next-to-last-point  int32)
   (max-move            float)
   (sample-len          float)
   (used-count          int32)
   (old-position        vector          :inline)
   (debug-old-position  vector          :inline)
   (debug-out-position  vector          :inline)
   (debug-last-point    int32)
   )
  (:methods
    (tracking-spline-method-9 (_type_) none)
    (tracking-spline-method-10 (_type_ vector) none)
    (print-nth-point (_type_ int) none)
    (tracking-spline-method-12 (_type_) none)
    (tracking-spline-method-13 (_type_ int) none)
    (tracking-spline-method-14 (_type_ tracking-spline-sampler) none)
    (tracking-spline-method-15 (_type_) none)
    (tracking-spline-method-16 (_type_ float) none)
    (tracking-spline-method-17 (_type_ vector float float symbol) int)
    (tracking-spline-method-18 (_type_ float vector tracking-spline-sampler) vector)
    (tracking-spline-method-19 (_type_ float vector tracking-spline-sampler) vector)
    (tracking-spline-method-20 (_type_ vector int) none)
    (tracking-spline-method-21 (_type_ vector float float) vector)
    (tracking-spline-method-22 (_type_ float) none)
    (tracking-spline-method-23 (_type_) none)
    )
  )


(deftype cam-float-seeker (structure)
  ((target       float)
   (value        float)
   (vel          float)
   (accel        float)
   (max-vel      float)
   (max-partial  float)
   )
  :pack-me
  (:methods
    (init-cam-float-seeker (_type_ float float float float) none)
    (copy-cam-float-seeker (_type_ _type_) none)
    (update! (_type_ float) none)
    (jump-to-target! (_type_ float) float)
    )
  )


(defmethod init-cam-float-seeker ((this cam-float-seeker) (arg0 float) (arg1 float) (arg2 float) (arg3 float))
  (set! (-> this target) arg0)
  (set! (-> this value) arg0)
  (set! (-> this vel) 0.0)
  (set! (-> this accel) arg1)
  (set! (-> this max-vel) arg2)
  (set! (-> this max-partial) arg3)
  0
  (none)
  )

(defmethod copy-cam-float-seeker ((this cam-float-seeker) (arg0 cam-float-seeker))
  (set! (-> this target) (-> arg0 target))
  (set! (-> this value) (-> arg0 value))
  (set! (-> this vel) (-> arg0 vel))
  (set! (-> this accel) (-> arg0 accel))
  (set! (-> this max-vel) (-> arg0 max-vel))
  (set! (-> this max-partial) (-> arg0 max-partial))
  0
  (none)
  )

(defmethod update! ((this cam-float-seeker) (offset float))
  0.0
  0.0
  (let* ((pos-error (- (+ (-> this target) offset) (-> this value)))
         (partial-velocity-limit (* (-> this max-partial) (fabs pos-error)))
         )
    (let ((daccel (* pos-error (* (-> this accel) (-> *display* time-adjust-ratio)))))
      (+! (-> this vel) daccel)
      )
    (let ((abs-vel (fabs (-> this vel)))
          (abs-vel-limit (fmin partial-velocity-limit (-> this max-vel)))
          )
      (if (< abs-vel-limit abs-vel)
          (set! (-> this vel) (* (-> this vel) (/ abs-vel-limit abs-vel)))
          )
      )
    )
  (let ((dpos (* (-> this vel) (-> *display* time-adjust-ratio))))
    (+! (-> this value) dpos)
    )
  0
  (none)
  )

(defmethod jump-to-target! ((this cam-float-seeker) (arg0 float))
  (set! (-> this value) (+ (-> this target) arg0))
  (set! (-> this vel) 0.0)
  )

(deftype cam-vector-seeker (structure)
  ((target       vector  :inline)
   (value        vector  :inline)
   (vel          vector  :inline)
   (accel        float)
   (max-vel      float)
   (max-partial  float)
   )
  (:methods
    (init! (_type_ vector float float float) none)
    (update! (_type_ vector) none)
    )
  )


(defmethod init! ((this cam-vector-seeker) (arg0 vector) (arg1 float) (arg2 float) (arg3 float))
  (cond
    (arg0
      (set! (-> this target quad) (-> arg0 quad))
      (set! (-> this value quad) (-> arg0 quad))
      )
    (else
      (vector-reset! (-> this target))
      (vector-reset! (-> this value))
      )
    )
  (vector-reset! (-> this vel))
  (set! (-> this accel) arg1)
  (set! (-> this max-vel) arg2)
  (set! (-> this max-partial) arg3)
  0
  (none)
  )

(defmethod update! ((this cam-vector-seeker) (arg0 vector))
  (let ((gp-0 (new 'stack-no-clear 'vector)))
    0.0
    (cond
      (arg0
        (vector+! gp-0 (-> this target) arg0)
        (vector-! gp-0 gp-0 (-> this value))
        )
      (else
        (vector-! gp-0 (-> this target) (-> this value))
        )
      )
    (let ((f30-1 (* (-> this max-partial) (vector-length gp-0))))
      (vector-float*! gp-0 gp-0 (* (-> this accel) (-> *display* time-adjust-ratio)))
      (vector+! (-> this vel) (-> this vel) gp-0)
      (let ((f0-4 (vector-length (-> this vel)))
            (f1-2 (fmin f30-1 (-> this max-vel)))
            )
        (if (< f1-2 f0-4)
            (vector-float*! (-> this vel) (-> this vel) (/ f1-2 f0-4))
            )
        )
      )
    (vector-float*! gp-0 (-> this vel) (-> *display* time-adjust-ratio))
    (vector+! (-> this value) (-> this value) gp-0)
    )
  0
  (none)
  )

(deftype cam-rotation-tracker (structure)
  ((inv-mat                  matrix            :inline)
   (no-follow                basic)
   (follow-pt                vector            :inline)
   (follow-off               vector            :inline)
   (follow-blend             float)
   (tilt-adjust              cam-float-seeker  :inline)
   (use-point-of-interest    basic)
   (point-of-interest        vector            :inline)
   (point-of-interest-blend  cam-float-seeker  :inline)
   (underwater-blend         cam-float-seeker  :inline)
   )
  )


(deftype camera-combiner (process)
  ((trans              vector                :inline)
   (inv-camera-rot     matrix                :inline)
   (fov                float)
   (interp-val         float)
   (interp-step        float)
   (dist-from-src      float)
   (dist-from-dest     float)
   (flip-control-axis  vector                :inline)
   (velocity           vector                :inline)
   (tracking-status    uint64)
   (tracking-options   int32)
   (tracking           cam-rotation-tracker  :inline)
   )
  (:states
    cam-combiner-active
    )
  )


(deftype camera-slave (process)
  ((trans                          vector                :inline)
   (fov                            float)
   (fov0                           float)
   (fov1                           float)
   (fov-index                      cam-index             :inline)
   (tracking                       cam-rotation-tracker  :inline)
   (view-off-param                 float)
   (unknown-symbol                 symbol                :offset 412)
   (view-off                       vector                :inline)
   (min-z-override                 float)
   (view-flat                      vector                :inline)
   (string-vel-dir                 uint32)
   (string-trans                   vector                :inline)
   (position-spline                tracking-spline       :inline)
   (pivot-pt                       vector                :inline)
   (pivot-rad                      float)
   (circular-follow                vector                :inline)
   (max-angle-offset               float)
   (max-angle-curr                 float)
   (options                        uint32)
   (cam-entity                     entity)
   (velocity                       vector                :inline)
   (desired-pos                    vector                :inline)
   (time-dist-too-far              uint32)
   (los-state                      slave-los-state)
   (good-point                     vector                :inline)
   (los-tgt-spline-pt              int32)
   (los-tgt-spline-pt-incarnation  int32)
   (los-last-pos                   vector                :inline)
   (intro-curve                    curve                 :inline)
   (intro-offset                   vector                :inline)
   (intro-t                        float)
   (intro-t-step                   float)
   (outro-exit-value               float)
   (spline-exists                  basic)
   (spline-curve                   curve                 :inline)
   (spline-offset                  vector                :inline)
   (index                          cam-index             :inline)
   (saved-pt                       vector                :inline)
   (spline-tt                      float)
   (spline-follow-dist             float)
   (change-event-from              (pointer process-drawable))
   (enter-has-run                  symbol)
   (blend-from-type                uint64)
   (blend-to-type                  uint64)
   (have-phony-joystick            basic)
   (phony-joystick-x               float)
   (phony-joystick-y               float)
   (string-min-val                 vector                :inline)
   (string-max-val                 vector                :inline)
   (string-val-locked              basic)
   )
  (:states
    *camera-base-mode*
    cam-bike
    cam-billy
    cam-circular
    cam-decel
    cam-endlessfall
    cam-eye
    cam-fixed
    cam-fixed-read-entity
    cam-free-floating
    cam-launcher-longfall
    cam-launcher-shortfall
    cam-lookat
    cam-mistycannon
    cam-orbit
    cam-periscope
    cam-point-watch
    cam-pov
    cam-pov-track
    cam-pov180
    cam-robotboss
    cam-spline
    cam-standoff
    cam-standoff-read-entity
    cam-stick
    cam-string
    )
  )


(deftype camera-master (process)
  ((master-options       uint32)
   (num-slaves           int32)
   (slave                (pointer camera-slave)  2)
   (slave-options        uint32)
   (view-off-param-save  float)
   (changer              uint32)
   (cam-entity           entity)
   (stringMinLength      float)
   (stringMaxLength      float)
   (stringMinHeight      float)
   (stringMaxHeight      float)
   (string-min           cam-vector-seeker       :inline)
   (string-max           cam-vector-seeker       :inline)
   (string-push-z        float)
   (stringCliffHeight    float)
   (no-intro             uint32)
   (force-blend          uint32)
   (force-blend-time     uint32)
   (local-down           vector                  :inline)
   (drawable-target      handle)
   (which-bone           int32)
   (pov-handle           handle)
   (pov-bone             int32)
   (being-attacked       symbol)
   (attack-start         time-frame)
   (on-ground            symbol)
   (under-water          int32)
   (on-pole              symbol)
   (tgt-rot-mat          matrix                  :inline)
   (tgt-face-mat         matrix                  :inline)
   (tpos-old             vector                  :inline)
   (tpos-curr            vector                  :inline)
   (target-height        float)
   (tpos-old-adj         vector                  :inline)
   (tpos-curr-adj        vector                  :inline)
   (tpos-tgt             vector                  :inline)
   (upspeed              float)
   (pitch-off            vector                  :inline)
   (foot-offset          float)
   (head-offset          float)
   (target-spline        tracking-spline         :inline)
   (ease-from            vector                  :inline)
   (ease-t               float)
   (ease-step            float)
   (ease-to              vector                  :inline)
   (outro-curve          curve                   :inline)
   (outro-t              float)
   (outro-t-step         float)
   (outro-exit-value     float)
   (water-drip-time      time-frame)
   (water-drip           sparticle-launch-control)
   (water-drip-mult      float)
   (water-drip-speed     float)
   )
  (:states
    cam-master-active
    list-keeper-active
    )
  )