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https://github.com/open-goal/jak-project
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water111
36 lines
1.1 KiB
Common Lisp
36 lines
1.1 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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;; name: transform-h.gc
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;; name in dgo: transform-h
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;; dgos: GAME, ENGINE
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;; Transformation. w components of vectors should be 1.0
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;; This can represent any rotation, translation, and scaling.
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;; Note that the scaling is applied before rotation (meaning it scales along the axes of the pre-transformed frame).
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(deftype transform (structure)
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((trans vector :inline :offset-assert 0) ;; translation
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(rot vector :inline :offset-assert 16) ;; rotation (rotation vector)
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(scale vector :inline :offset-assert 32) ;; scale (xyz components)
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)
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:method-count-assert 9
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:size-assert #x30
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:flag-assert #x900000030
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)
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;; Like transform, but it's a basic.
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;; some in-game objects have trs as their parent type to represent their location in the game world.
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(deftype trs (basic)
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((trans vector :inline :offset-assert 16)
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(rot vector :inline :offset-assert 32)
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(scale vector :inline :offset-assert 48)
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)
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(:methods
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(new (symbol type) _type_ 0)
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)
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:method-count-assert 9
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:size-assert #x40
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:flag-assert #x900000040
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)
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