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

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

(define-extern art-group type)

;; This type didn't have an inspect method, so these field names are made up.
(deftype load-dir (basic)
  ((unknown basic)
   (string-array (array string)) ;; these are the names
   (data-array (array basic))    ;; this is the file data.
   )
  :flag-assert #xb00000010
  (:methods
   (new (symbol type int basic) _type_ 0)
   (dummy-9 () none 9)
   (dummy-10 () none 10)
   )
  )

;; specialization of load-dir where the data-array holds art-groups.
(deftype load-dir-art-group (load-dir)
  ()
  (:methods
   (new (symbol type int basic) _type_ 0)
   )
  :flag-assert #xb00000010
  )


(defmethod new load-dir ((allocation symbol) (type-to-make type) (length int) (unk basic))
  "Allocate a new load-dir with room for length entries"
  (let ((obj (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
    (set! (-> obj unknown) unk)
    ;; create the name array
    (set! (-> obj string-array)
          (the-as (array string)
                  ((method-of-type array new) allocation array string length)
                  )
          )
    (set! (-> obj string-array length) 0)
    ;; create the data array
    (set! (-> obj data-array)
          (the-as (array basic)
                  ((method-of-type array new) allocation array basic length)
                  ))
    (set! (-> obj data-array length) 0)
    obj
    )
  )

(defmethod new load-dir-art-group ((allocation symbol) (type-to-make type) (length int) (unk basic))
  "Allocate a new load-dir with room for length art-groups"
  ;; call parent ctor.
  (let ((obj ((method-of-type load-dir new) allocation type-to-make length unk)))
    ;; override the content type
    (set! (-> obj data-array content-type) art-group)
    ;; and cast to child.
    (the-as load-dir-art-group obj)
    )
  )

(deftype external-art-buffer (basic)
  ((index                      int32          :offset-assert 4)
   (other                      external-art-buffer          :offset-assert 8)
   (status                     basic          :offset-assert 12)
   (locked?                    basic          :offset-assert 16)
   (frame-lock                 basic          :offset-assert 20)
   (heap                       kheap  :inline :offset-assert 32)
   (pending-load-file          basic          :offset-assert 48)
   (pending-load-file-part     int32          :offset-assert 52)
   (pending-load-file-owner    uint64         :offset-assert 56)
   (pending-load-file-priority float          :offset-assert 64)
   (load-file                  basic          :offset-assert 68)
   (load-file-part             int32          :offset-assert 72)
   (load-file-owner            uint64         :offset-assert 80)
   (load-file-priority         float          :offset-assert 88)
   (buf                        uint32         :offset-assert 92)
   (len                        int32          :offset-assert 96)
   (art-group                  basic          :offset-assert 100)
   )
  :method-count-assert 16
  :size-assert         #x68
  :flag-assert         #x1000000068
  (:methods
   (new (symbol type int) _type_ 0)
   (dummy-9 () none 9)
   (dummy-10 () none 10)
   (dummy-11 () none 11)
   (dummy-12 () none 12)
   (dummy-13 () none 13)
   (dummy-14 () none 14)
   (dummy-15 () none 15)
   )
  )

(defmethod new external-art-buffer ((allocation symbol) (type-to-make type) (idx int))
  "Allocate a new external-art-buffer"
  (let ((obj (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
   (set! (-> obj index) idx)
   (set! (-> obj load-file) #f)
   (set! (-> obj load-file-part) -1)
   (set! (-> obj load-file-owner) (the-as uint #f))
   (set! (-> obj load-file-priority) 100000000.0)
   (set! (-> obj pending-load-file) #f)
   (set! (-> obj pending-load-file-part) -1)
   (set! (-> obj pending-load-file-owner) (the-as uint #f))
   (set! (-> obj pending-load-file-priority) 100000000.0)
   (set! (-> obj art-group) #f)
   (set! (-> obj status) 'initialize)
   (set! (-> obj locked?) #f)
   (set! (-> obj other) #f)
   obj
   )
  )

(deftype spool-anim (basic)
  ((name         basic   :offset 16) ;; why?
   (index        int32   :offset-assert 20)
   (parts        int32   :offset-assert 24)
   (priority     float   :offset-assert 28)
   (owner        uint64  :offset-assert 32)
   (command-list basic   :offset-assert 40)
   )
  :pack-me
  :method-count-assert 9
  :size-assert         #x2c
  :flag-assert         #x90000002c
  )

(deftype external-art-control (basic)
  ((buffer               external-art-buffer    2       :offset-assert 4)
   (rec             spool-anim 3 :inline)
   (spool-lock           uint64             :offset-assert 160)
   (reserve-buffer       basic              :offset-assert 168)
   (reserve-buffer-count int32              :offset-assert 172)
   (active-stream        basic              :offset-assert 176)
   (preload-stream       spool-anim :inline :offset-assert 184)
   (last-preload-stream  spool-anim :inline :offset-assert 232)
   (end-pad uint32)
   )
  :method-count-assert 17
  :size-assert         #x118
  :flag-assert         #x1100000118
  (:methods
   (new (symbol type) _type_ 0)
   (dummy-9 () none 9)
   (dummy-10 () none 10)
   (dummy-11 () none 11)
   (dummy-12 () none 12)
   (dummy-13 () none 13)
   (dummy-14 () none 14)
   (dummy-15 () none 15)
   (dummy-16 () none 16)
   )
  )

(defmethod new external-art-control ((allocation symbol) (type-to-make type))
  (let ((obj (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
    ;; allocate buffers.
    (dotimes (buff-idx 2)
      (set! (-> obj buffer buff-idx)
            ((method-of-type external-art-buffer new) allocation external-art-buffer buff-idx)
            )
      )
    ;; point buffers to each other
    (set! (-> obj buffer 0 other) (-> obj buffer 1))
    (set! (-> obj buffer 1 other) (-> obj buffer 0))
    ;; set up recs
    (dotimes (rec-idx 3)
      (set! (-> obj rec rec-idx name) #f)
      (set! (-> obj rec rec-idx priority) 100000000.0)
      (set! (-> obj rec rec-idx owner) (the-as uint #f))
      )
    ;; set up defaults.
    (set! (-> obj spool-lock) (the-as uint #f))
    (set! (-> obj reserve-buffer) #f)
    (set! (-> obj active-stream) #f)
    (set! (-> obj preload-stream name) #f)
    (set! (-> obj preload-stream priority) 100000000.0)
    (set! (-> obj preload-stream owner) (the-as uint #f))
    (set! (-> obj last-preload-stream name) #f)
    (set! (-> obj last-preload-stream priority) 100000000.0)
    (set! (-> obj last-preload-stream owner) (the-as uint #f))
    obj
    )
  )