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https://github.com/open-goal/jak-project.git
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fc43870d85
This renames the method object in `defmethod`s to `this` and adds detection for the `set-time!` and `time-elapsed?` macros. Definitely my biggest PR yet...
83 lines
3.3 KiB
Common Lisp
83 lines
3.3 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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;; name: drawable-h.gc
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;; name in dgo: drawable-h
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;; dgos: GAME, ENGINE
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(declare-type ambient-list structure)
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(declare-type collide-list structure)
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(declare-type drawable-error drawable)
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;; These is the base class for the scene graph node.
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;; Note that it doesn't always make sense to call all of these methods on all types,
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;; and that certain methods should only be called at certain times, and may require coordination
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;; with having certain VU0 or scratchpad data present.
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;; In many cases, "draw" simply adds data to a buffer that must later be converted to dma in finish-background
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;; or similar. Or just does nothing.
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;; DECOMP BEGINS
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(deftype drawable (basic)
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((id int16 :offset-assert 4) ;; ID number for visibility (not always used)
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(bsphere vector :inline :offset-assert 16) ;; bounding sphere
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)
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:method-count-assert 18
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:size-assert #x20
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:flag-assert #x1200000020
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(:methods
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;; initialize the drawable after it has been loaded.
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(login (_type_) _type_ 9)
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;; do some sort of drawing... this really does different things for different types.
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(draw (_type_ _type_ display-frame) none 10)
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;; add collision meshes to the given collide list if they intersect the bounding box in *collide-work*
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;; the integer argument can be used to call this method on an inline-array of drawables (only some support this)
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;; this avoids the dynamic dispatch on each element of the array.
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(collide-with-box (_type_ int collide-list) none 11)
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;; similar to above, but only add if the collision mesh intersects with a "y probe"
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(collide-y-probe (_type_ int collide-list) none 12)
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;; similar to above, but only add if the collision mesh intersects a ray of spheres.
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(collide-ray (_type_ int collide-list) none 13)
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;; different for different types, but generally collects debug statistics like numbers of triangles
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(collect-stats (_type_) none 14)
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;; different for different types, but usually does nothing.
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(debug-draw (_type_ drawable display-frame) none 15)
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;; given VIS data (uncompressed), compute the visiblity bit string.
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(unpack-vis (_type_ (pointer int8) (pointer int8)) (pointer int8) 16)
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;; find "ambients" inside the given sphere and add to list.
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(collect-ambients (_type_ sphere int ambient-list) none 17)
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)
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)
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;; A drawable that simply draws a sphere and an error message at the origin of the bounding sphere.
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(deftype drawable-error (drawable)
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((name string :offset-assert 32)
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)
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:method-count-assert 18
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:size-assert #x24
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:flag-assert #x1200000024
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)
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(declare-type process-drawable process)
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(define-extern process-drawable-art-error (state string process-drawable))
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(define-extern foreground-engine-execute (function engine display-frame int int none))
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(define-extern sphere-in-view-frustum? (function sphere symbol))
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(declare-type draw-control basic)
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(define-extern add-process-drawable (function process-drawable draw-control symbol dma-buffer none))
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(define-extern dma-add-process-drawable-hud (function process-drawable draw-control symbol dma-buffer none))
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(define-extern dma-add-process-drawable (function process-drawable draw-control symbol dma-buffer none))
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(define-extern vis-cull (function int symbol))
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(define-extern line-in-view-frustum? (function vector vector symbol)) ;; TODO - not confirmed
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