diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_fcurve_driver.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_fcurve_driver.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_fcurve_driver.h b/source/blender/blenkernel/BKE_fcurve_driver.h new file mode 100644 index 00000000000..563ed408ed7 --- /dev/null +++ b/source/blender/blenkernel/BKE_fcurve_driver.h @@ -0,0 +1,106 @@ +/* + * 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) 2009 Blender Foundation, Joshua Leung + * All rights reserved. + */ + +#ifndef __BKE_FCURVE_DRIVER_H__ +#define __BKE_FCURVE_DRIVER_H__ + +/** \file + * \ingroup bke + */ + +#include "DNA_curve_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct ChannelDriver; +struct DriverTarget; +struct DriverVar; +struct FCurve; +struct PathResolvedRNA; +struct PointerRNA; +struct PropertyRNA; + +/* ************** F-Curve Drivers ***************** */ + +/* With these iterators for convenience, the variables "tarIndex" and "dtar" can be + * accessed directly from the code using them, but it is not recommended that their + * values be changed to point at other slots... + */ + +/* convenience looper over ALL driver targets for a given variable (even the unused ones) */ +#define DRIVER_TARGETS_LOOPER_BEGIN(dvar) \ + { \ + DriverTarget *dtar = &dvar->targets[0]; \ + int tarIndex = 0; \ + for (; tarIndex < MAX_DRIVER_TARGETS; tarIndex++, dtar++) + +/* convenience looper over USED driver targets only */ +#define DRIVER_TARGETS_USED_LOOPER_BEGIN(dvar) \ + { \ + DriverTarget *dtar = &dvar->targets[0]; \ + int tarIndex = 0; \ + for (; tarIndex < dvar->num_targets; tarIndex++, dtar++) + +/* tidy up for driver targets loopers */ +#define DRIVER_TARGETS_LOOPER_END \ + } \ + ((void)0) + +/* ---------------------- */ + +void fcurve_free_driver(struct FCurve *fcu); +struct ChannelDriver *fcurve_copy_driver(const struct ChannelDriver *driver); + +void driver_variables_copy(struct ListBase *dst_vars, const struct ListBase *src_vars); + +void BKE_driver_target_matrix_to_rot_channels( + float mat[4][4], int auto_order, int rotation_mode, int channel, bool angles, float r_buf[4]); + +void driver_free_variable(struct ListBase *variables, struct DriverVar *dvar); +void driver_free_variable_ex(struct ChannelDriver *driver, struct DriverVar *dvar); + +void driver_change_variable_type(struct DriverVar *dvar, int type); +void driver_variable_name_validate(struct DriverVar *dvar); +struct DriverVar *driver_add_new_variable(struct ChannelDriver *driver); + +float driver_get_variable_value(struct ChannelDriver *driver, struct DriverVar *dvar); +bool driver_get_variable_property(struct ChannelDriver *driver, + struct DriverTarget *dtar, + struct PointerRNA *r_ptr, + struct PropertyRNA **r_prop, + int *r_index); + +bool BKE_driver_has_simple_expression(struct ChannelDriver *driver); +bool BKE_driver_expression_depends_on_time(struct ChannelDriver *driver); +void BKE_driver_invalidate_expression(struct ChannelDriver *driver, + bool expr_changed, + bool varname_changed); + +float evaluate_driver(struct PathResolvedRNA *anim_rna, + struct ChannelDriver *driver, + struct ChannelDriver *driver_orig, + const float evaltime); + +#ifdef __cplusplus +} +#endif + +#endif /* __BKE_FCURVE_DRIVER_H__*/ |