2023-10-10 09:41:05 -04:00
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;;-*-Lisp-*-
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(in-package goal)
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;; name: shadow-cpu-h.gc
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;; name in dgo: shadow-cpu-h
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;; dgos: GAME
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2024-01-31 18:25:06 -05:00
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;; +++shadow-flags
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(defenum shadow-flags
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:bitfield #t
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:type int32
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(shdf00) ;; unused
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(disable-fade)
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(shdf02) ;; only set, never used.
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(shdf03)
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(shdf04) ;; unused
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(disable-draw)
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(shdf06)
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(shdf07)
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2024-03-03 15:15:27 -05:00
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(shdf08)
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2024-01-31 18:25:06 -05:00
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)
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;; ---shadow-flags
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(declare-type shadow-vu1-constants structure)
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2024-03-24 12:27:04 -04:00
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(define-extern shadow-execute-all (function dma-buffer none))
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2024-01-31 18:25:06 -05:00
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2023-10-10 09:41:05 -04:00
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;; DECOMP BEGINS
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2024-01-31 18:25:06 -05:00
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(deftype shadow-settings (structure)
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"Settings used to draw a shadow."
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((center vector :inline)
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2024-03-16 14:50:41 -04:00
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(flags shadow-flags :overlay-at (-> center data 3))
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2024-01-31 18:25:06 -05:00
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(shadow-dir vector :inline)
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2024-03-16 14:50:41 -04:00
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(dist-to-locus float :overlay-at (-> shadow-dir data 3))
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2024-01-31 18:25:06 -05:00
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(bot-plane plane :inline)
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(top-plane plane :inline)
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2024-03-16 14:50:41 -04:00
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(fade-vec vector :inline :offset 64)
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(fade-dist float :overlay-at (-> fade-vec x))
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(fade-start float :overlay-at (-> fade-vec y))
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(dummy-2 int32 :overlay-at (-> fade-vec z))
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(shadow-type int32 :overlay-at (-> fade-vec w))
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2024-01-31 18:25:06 -05:00
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)
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)
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(deftype shadow-control (basic)
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((settings shadow-settings :inline)
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)
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(:methods
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2024-03-30 10:28:02 -04:00
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(new (symbol type float float float vector shadow-flags float) _type_)
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2024-01-31 18:25:06 -05:00
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(enable-draw (shadow-control) int)
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(disable-draw (shadow-control) int)
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(set-top-plane-offset (shadow-control float) int)
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(set-bottom-plane-offset (shadow-control float) int)
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(probe-line-for-shadow (_type_ vector float float float) none)
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(shadow-control-method-14 (_type_ vector vector float float float) none)
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)
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)
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(defmethod enable-draw ((this shadow-control))
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(logclear! (-> this settings flags) (shadow-flags disable-draw))
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0
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)
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(defmethod disable-draw ((this shadow-control))
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(logior! (-> this settings flags) (shadow-flags disable-draw))
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0
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)
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(defmethod set-bottom-plane-offset ((this shadow-control) (arg0 float))
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(set! (-> this settings bot-plane w) (- arg0))
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0
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)
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(defmethod set-top-plane-offset ((this shadow-control) (arg0 float))
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(set! (-> this settings top-plane w) (- arg0))
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0
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)
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(deftype shadow-data (structure)
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"DMA data for the shadow renderer."
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((dma-unpack-template dma-packet :inline)
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(dma-cnt dma-tag)
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(vif-nop vif-tag)
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(vif-unpack-v4-8 vif-tag)
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(pdc basic)
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(dist float)
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(waits uint32)
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(inside-volume? uint32)
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)
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)
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(deftype shadow-work (structure)
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((shadow-data shadow-data :inline)
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(inbuf uint128 600)
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)
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)
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(deftype shadow-bucket (structure)
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((first pointer)
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(next pointer)
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(bucket-id bucket-id)
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(shadow-color rgba)
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(constants shadow-vu1-constants)
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)
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:allow-misaligned
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)
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(deftype shadow-globals (structure)
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((num-buckets uint32)
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(cur-bucket uint32)
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(bucket shadow-bucket 3 :inline)
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)
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)
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(define *shadow-globals* (new 'global 'shadow-globals))
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(set! (-> *shadow-globals* bucket 0 bucket-id) (bucket-id shadow))
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(set! (-> *shadow-globals* bucket 1 bucket-id) (bucket-id shadow2))
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(set! (-> *shadow-globals* bucket 2 bucket-id) (bucket-id shadow3))
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(deftype shadow-vertex (structure)
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((x float)
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(y float)
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(z float)
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(weight float)
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)
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)
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(deftype shadow-matrix-ref (structure)
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((joint-0 uint8)
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(joint-1 uint8)
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)
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)
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(deftype shadow-edge (structure)
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((ind-0 uint8)
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(ind-1 uint8)
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(tri-0 uint8)
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(tri-1 uint8)
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)
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)
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2024-03-16 14:50:41 -04:00
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;; ERROR: failed type prop at 14: Could not figure out load: (set! a2 (l.hu gp))
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2024-01-31 18:25:06 -05:00
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(deftype shadow-tri (structure)
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((ind-0 uint8)
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(ind-1 uint8)
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(ind-2 uint8)
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(faces uint8)
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)
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)
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2024-03-16 14:50:41 -04:00
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; (deftype shadow-edge (structure)
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; ((ind-0 uint8)
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; (ind-1 uint8)
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; (tri-0 uint8)
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; (tri-1 uint8)
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; )
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; )
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2024-01-31 18:25:06 -05:00
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(deftype shadow-frag-header (structure)
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((qwc-data uint32)
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(num-joints uint32)
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(num-verts uint16)
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(num-twos uint16)
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(num-single-tris uint16)
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(num-single-edges uint16)
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(num-double-tris uint16)
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(num-double-edges uint16)
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(ofs-verts uint32)
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(ofs-refs uint32)
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(ofs-single-tris uint32)
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(ofs-single-edges uint32)
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(ofs-double-tris uint32)
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(ofs-double-edges uint32)
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)
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)
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(deftype shadow-frag-ref (structure)
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((header shadow-frag-header)
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(qwc uint32)
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)
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:pack-me
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)
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(deftype shadow-geo (art-element)
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"The low poly model used for drawing the shadow."
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((version uint32 :overlay-at (-> pad 0))
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(total-size uint32 :overlay-at (-> pad 4))
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(total-qwc uint32)
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(num-joints uint32)
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(num-fragments uint32)
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(frags shadow-frag-ref :inline :dynamic)
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)
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)
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(defmethod new shadow-control ((allocation symbol)
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(type-to-make type)
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(arg0 float)
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(arg1 float)
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(arg2 float)
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(arg3 vector)
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2024-03-30 10:28:02 -04:00
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(arg4 shadow-flags)
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2024-01-31 18:25:06 -05:00
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(arg5 float)
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)
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(let ((v0-0 (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
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(if arg3
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(set! (-> v0-0 settings center quad) (-> arg3 quad))
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)
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2024-03-30 10:28:02 -04:00
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(set! (-> v0-0 settings flags) arg4)
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2024-01-31 18:25:06 -05:00
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(set-vector! (-> v0-0 settings shadow-dir) 0.0 -1.0 0.0 arg2)
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(set-vector! (-> v0-0 settings bot-plane) 0.0 1.0 0.0 (- arg0))
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(set-vector! (-> v0-0 settings top-plane) 0.0 1.0 0.0 (- arg1))
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(set! (-> v0-0 settings fade-dist) arg5)
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(set! (-> v0-0 settings shadow-type) 0)
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v0-0
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)
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)
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(define *shadow* #f)
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(define *shadow-object* #f)
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(define *shadow-debug* #f)
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(define *shadow-dma-buf* (new 'global 'dma-buffer 512))
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