100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 2016 Kévin Dietrich & Blender Foundation.
|
|
* All rights reserved.
|
|
*/
|
|
#pragma once
|
|
|
|
/** \file
|
|
* \ingroup Alembic
|
|
*/
|
|
|
|
struct Object;
|
|
|
|
#ifdef _MSC_VER
|
|
# define ABC_INLINE static __forceinline
|
|
#else
|
|
# define ABC_INLINE static inline
|
|
#endif
|
|
|
|
/* TODO(kevin): for now keeping these transformations hardcoded to make sure
|
|
* everything works properly, and also because Alembic is almost exclusively
|
|
* used in Y-up software, but eventually they'll be set by the user in the UI
|
|
* like other importers/exporters do, to support other axis. */
|
|
|
|
/* Copy from Y-up to Z-up. */
|
|
|
|
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] = 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] = 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] = -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] = -old_zup1;
|
|
}
|
|
|
|
/* Names are given in (dst, src) order, just like
|
|
* the parameters of copy_m44_axis_swap() */
|
|
typedef enum {
|
|
ABC_ZUP_FROM_YUP = 1,
|
|
ABC_YUP_FROM_ZUP = 2,
|
|
} AbcAxisSwapMode;
|
|
|
|
/* Create a rotation matrix for each axis from euler angles.
|
|
* Euler angles are swapped to change coordinate system. */
|
|
void create_swapped_rotation_matrix(float rot_x_mat[3][3],
|
|
float rot_y_mat[3][3],
|
|
float rot_z_mat[3][3],
|
|
const float euler[3],
|
|
AbcAxisSwapMode mode);
|
|
|
|
void copy_m44_axis_swap(float dst_mat[4][4], float src_mat[4][4], AbcAxisSwapMode mode);
|
|
|
|
typedef enum {
|
|
ABC_MATRIX_WORLD = 1,
|
|
ABC_MATRIX_LOCAL = 2,
|
|
} AbcMatrixMode;
|
|
|
|
void create_transform_matrix(Object *obj,
|
|
float r_transform_mat[4][4],
|
|
AbcMatrixMode mode,
|
|
Object *proxy_from);
|