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Alembic: allow copy_{z,y}up_from_{y,z}up() to be called with yup=zup

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This allows in-place conversion between z-up and y-up, by passing the
same variable to both arguments.
This commit is contained in:
Sybren A. Stüvel 2017-02-15 15:13:24 +01:00
parent 00e0a94b3c
commit b0967e9d42
1 changed files with 8 additions and 4 deletions
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12
source/blender/alembic/intern/abc_util.h
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@ -118,32 +118,36 @@ AbcObjectReader *create_reader(const Alembic::AbcGeom::IObject &object, ImportSe
ABC_INLINE void copy_zup_from_yup(float zup[3], const float yup[3])
{
const float old_yup1 = yup[1]; /* in case zup == yup */
zup[0] = yup[0];
zup[1] = -yup[2];
zup[2] = yup[1];
zup[2] = old_yup1;
}
ABC_INLINE void copy_zup_from_yup(short zup[3], const short yup[3])
{
const short old_yup1 = yup[1]; /* in case zup == yup */
zup[0] = yup[0];
zup[1] = -yup[2];
zup[2] = yup[1];
zup[2] = old_yup1;
}
/* Copy from Z-up to Y-up. */
ABC_INLINE void copy_yup_from_zup(float yup[3], const float zup[3])
{
const float old_zup1 = zup[1]; /* in case yup == zup */
yup[0] = zup[0];
yup[1] = zup[2];
yup[2] = -zup[1];
yup[2] = -old_zup1;
}
ABC_INLINE void copy_yup_from_zup(short yup[3], const short zup[3])
{
const short old_zup1 = zup[1]; /* in case yup == zup */
yup[0] = zup[0];
yup[1] = zup[2];
yup[2] = -zup[1];
yup[2] = -old_zup1;
}
/* *************************** */