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/*
* 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
*/
#include "BLI_compiler_compat.h"
struct Object;
namespace blender {
namespace io {
namespace alembic {
/* 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. */
BLI_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;
}
BLI_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. */
BLI_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;
}
BLI_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);
} // namespace alembic
} // namespace io
} // namespace blender
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