#include "MEM_guardedalloc.h"
#include "DNA_anim_types.h"
#include "DNA_constraint_types.h"
#include "DNA_object_types.h"
#include "BLI_alloca.h"
#include "BLI_expr_pylike_eval.h"
#include "BLI_math.h"
#include "BLI_string_utils.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "BKE_action.h"
#include "BKE_animsys.h"
#include "BKE_armature.h"
#include "BKE_constraint.h"
#include "BKE_fcurve_driver.h"
#include "BKE_global.h"
#include "BKE_object.h"
#include "RNA_access.h"
#include "atomic_ops.h"
#include "CLG_log.h"

Classes
struct	DriverVarTypeInfo

Functions
Driver Target Utilities
static ID *	dtar_id_ensure_proxy_from (ID *id)

static float	dtar_get_prop_val (ChannelDriver driver, DriverTarget dtar)

bool	driver_get_variable_property (ChannelDriver driver, DriverTarget dtar, PointerRNA r_ptr, PropertyRNA r_prop, int r_index)

static short	driver_check_valid_targets (ChannelDriver driver, DriverVar dvar)

Driver Variable Utilities
static float	dvar_eval_singleProp (ChannelDriver driver, DriverVar dvar)

static float	dvar_eval_rotDiff (ChannelDriver driver, DriverVar dvar)

static float	dvar_eval_locDiff (ChannelDriver driver, DriverVar dvar)

static float	dvar_eval_transChan (ChannelDriver driver, DriverVar dvar)

static void	quaternion_to_angles (float quat[4], int channel)

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])

Driver API
void	driver_free_variable (ListBase variables, DriverVar dvar)

void	driver_free_variable_ex (ChannelDriver driver, DriverVar dvar)

void	driver_variables_copy (ListBase dst_vars, const ListBase src_vars)

void	driver_change_variable_type (DriverVar *dvar, int type)

void	driver_variable_name_validate (DriverVar *dvar)

DriverVar *	driver_add_new_variable (ChannelDriver *driver)

void	fcurve_free_driver (FCurve *fcu)

ChannelDriver *	fcurve_copy_driver (const ChannelDriver *driver)

Driver Evaluation
float	driver_get_variable_value (ChannelDriver driver, DriverVar dvar)

static void	evaluate_driver_sum (ChannelDriver *driver)

static void	evaluate_driver_min_max (ChannelDriver *driver)

static void	evaluate_driver_python (PathResolvedRNA anim_rna, ChannelDriver driver, ChannelDriver driver_orig, const AnimationEvalContext anim_eval_context)

float	evaluate_driver (PathResolvedRNA anim_rna, ChannelDriver driver, ChannelDriver driver_orig, const AnimationEvalContext anim_eval_context)

Variables
static CLG_LogRef	LOG = {"bke.fcurve"}

Driver Variables
#define	BEGIN_DVAR_TYPEDEF(type) {

#define	END_DVAR_TYPEDEF }

typedef struct DriverVarTypeInfo	DriverVarTypeInfo

Driver Expression Evaluation
enum	{ VAR_INDEX_FRAME = 0 , VAR_INDEX_CUSTOM }

static ExprPyLike_Parsed *	driver_compile_simple_expr_impl (ChannelDriver *driver)

static bool	driver_check_simple_expr_depends_on_time (ExprPyLike_Parsed *expr)

static bool	driver_evaluate_simple_expr (ChannelDriver driver, ExprPyLike_Parsed expr, float *result, float time)

static bool	driver_compile_simple_expr (ChannelDriver *driver)

static bool	driver_try_evaluate_simple_expr (ChannelDriver driver, ChannelDriver driver_orig, float *result, float time)

bool	BKE_driver_has_simple_expression (ChannelDriver *driver)

static bool	python_driver_exression_depends_on_time (const char *expression)

bool	BKE_driver_expression_depends_on_time (ChannelDriver *driver)

void	BKE_driver_invalidate_expression (ChannelDriver *driver, bool expr_changed, bool varname_changed)

Driver Variable Type Info
static DriverVarTypeInfo	dvar_types [MAX_DVAR_TYPES]

static const DriverVarTypeInfo *	get_dvar_typeinfo (int type)

Macro Definition Documentation

◆ BEGIN_DVAR_TYPEDEF

#define BEGIN_DVAR_TYPEDEF ( type ) {

Definition at line 79 of file fcurve_driver.c.

◆ END_DVAR_TYPEDEF

#define END_DVAR_TYPEDEF }

Definition at line 82 of file fcurve_driver.c.

Typedef Documentation

◆ DriverVarTypeInfo

typedef struct DriverVarTypeInfo DriverVarTypeInfo

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
VAR_INDEX_FRAME
VAR_INDEX_CUSTOM

Definition at line 974 of file fcurve_driver.c.

Function Documentation

◆ BKE_driver_expression_depends_on_time()

bool BKE_driver_expression_depends_on_time ( ChannelDriver * driver )

Definition at line 1113 of file fcurve_driver.c.

References BKE_driver_has_simple_expression(), driver_check_simple_expr_depends_on_time(), DRIVER_TYPE_PYTHON, ChannelDriver::expr_simple, ChannelDriver::expression, python_driver_exression_depends_on_time(), and ChannelDriver::type.

◆ BKE_driver_has_simple_expression()

bool BKE_driver_has_simple_expression ( ChannelDriver * driver )

Definition at line 1086 of file fcurve_driver.c.

References BLI_expr_pylike_is_valid(), driver_compile_simple_expr(), and ChannelDriver::expr_simple.

Referenced by BKE_driver_expression_depends_on_time(), and graph_draw_driver_settings_panel().

◆ BKE_driver_invalidate_expression()

void BKE_driver_invalidate_expression	(	ChannelDriver *	driver,
		bool	expr_changed,
		bool	varname_changed
	)

Definition at line 1129 of file fcurve_driver.c.

References BLI_expr_pylike_free(), DRIVER_FLAG_RECOMPILE, DRIVER_FLAG_RENAMEVAR, ChannelDriver::expr_simple, ChannelDriver::flag, and NULL.

Referenced by driver_add_new_variable(), driver_free_variable_ex(), ui_but_anim_expression_create(), and ui_but_anim_expression_set().

◆ BKE_driver_target_matrix_to_rot_channels()

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]
	)

Definition at line 625 of file fcurve_driver.c.

References BLI_assert, DTAR_ROTMODE_AUTO, DTAR_ROTMODE_EULER_MAX, DTAR_ROTMODE_EULER_MIN, DTAR_ROTMODE_QUATERNION, DTAR_ROTMODE_SWING_TWIST_X, DTAR_ROTMODE_SWING_TWIST_Z, mat4_to_eulO(), mat4_to_quat(), NULL, quat_split_swing_and_twist(), quaternion_to_angles(), and zero_v4().

Referenced by dvar_eval_transChan(), and transform_evaluate().

◆ driver_add_new_variable()

DriverVar* driver_add_new_variable ( ChannelDriver * driver )

Definition at line 877 of file fcurve_driver.c.

References BKE_driver_invalidate_expression(), BLI_addtail(), BLI_uniquename(), BLT_I18NCONTEXT_ID_ACTION, CTX_DATA_, driver_change_variable_type(), DVAR_TYPE_SINGLE_PROP, MEM_callocN, DriverVar::name, NULL, and ChannelDriver::variables.

Referenced by add_driver_with_target(), ANIM_add_driver(), ANIM_copy_as_driver(), driver_add_var_cb(), and idriver_to_cdriver().

◆ driver_change_variable_type()

void driver_change_variable_type	(	DriverVar *	dvar,
		int	type
	)

Definition at line 777 of file fcurve_driver.c.

References DRIVER_TARGETS_LOOPER_END, DRIVER_TARGETS_USED_LOOPER_BEGIN, DTAR_FLAG_ID_OB_ONLY, ELEM, get_dvar_typeinfo(), ID_OB, NULL, DriverVarTypeInfo::num_targets, DriverVar::num_targets, DriverVarTypeInfo::target_flags, type, and DriverVar::type.

Referenced by add_driver_with_target(), ANIM_add_driver(), driver_add_new_variable(), and idriver_to_cdriver().

◆ driver_check_simple_expr_depends_on_time()

static bool driver_check_simple_expr_depends_on_time ( ExprPyLike_Parsed * expr )

static

Definition at line 997 of file fcurve_driver.c.

References BLI_expr_pylike_is_using_param(), and VAR_INDEX_FRAME.

Referenced by BKE_driver_expression_depends_on_time().

◆ driver_check_valid_targets()

static short driver_check_valid_targets	(	ChannelDriver *	driver,
		DriverVar *	dvar
	)

static

Definition at line 273 of file fcurve_driver.c.

References DRIVER_FLAG_INVALID, DRIVER_TARGETS_LOOPER_END, DRIVER_TARGETS_USED_LOOPER_BEGIN, DTAR_FLAG_INVALID, dtar_id_ensure_proxy_from(), ChannelDriver::flag, GS, Object::id, ID_OB, ID::name, and NULL.

Referenced by dvar_eval_locDiff(), and dvar_eval_rotDiff().

◆ driver_compile_simple_expr()

static bool driver_compile_simple_expr ( ChannelDriver * driver )

static

Definition at line 1048 of file fcurve_driver.c.

References atomic_cas_ptr(), BLI_expr_pylike_free(), driver_compile_simple_expr_impl(), DRIVER_TYPE_PYTHON, ChannelDriver::expr_simple, NULL, and ChannelDriver::type.

Referenced by BKE_driver_has_simple_expression(), and driver_try_evaluate_simple_expr().

◆ driver_compile_simple_expr_impl()

static ExprPyLike_Parsed* driver_compile_simple_expr_impl ( ChannelDriver * driver )

static

Definition at line 981 of file fcurve_driver.c.

References BLI_array_alloca, BLI_expr_pylike_parse(), BLI_listbase_count(), ChannelDriver::expression, LISTBASE_FOREACH, names, names_len, VAR_INDEX_CUSTOM, VAR_INDEX_FRAME, and ChannelDriver::variables.

Referenced by driver_compile_simple_expr().

◆ driver_evaluate_simple_expr()

static bool driver_evaluate_simple_expr	(	ChannelDriver *	driver,
		ExprPyLike_Parsed *	expr,
		float *	result,
		float	time
	)

static

Definition at line 1003 of file fcurve_driver.c.

References BLI_array_alloca, BLI_expr_pylike_eval(), BLI_listbase_count(), CLOG_ERROR, DRIVER_FLAG_INVALID, driver_get_variable_value(), EXPR_PYLIKE_DIV_BY_ZERO, EXPR_PYLIKE_MATH_ERROR, EXPR_PYLIKE_SUCCESS, ChannelDriver::expression, ChannelDriver::flag, float(), CCL_NAMESPACE_BEGIN::isfinite(), LISTBASE_FOREACH, LOG, result, time, VAR_INDEX_CUSTOM, VAR_INDEX_FRAME, and ChannelDriver::variables.

Referenced by driver_try_evaluate_simple_expr().

◆ driver_free_variable()

void driver_free_variable	(	ListBase *	variables,
		DriverVar *	dvar
	)

Definition at line 724 of file fcurve_driver.c.

References BLI_freelinkN(), DRIVER_TARGETS_LOOPER_BEGIN, DRIVER_TARGETS_LOOPER_END, MEM_freeN, and NULL.

Referenced by ANIM_driver_vars_copybuf_free(), and driver_free_variable_ex().

◆ driver_free_variable_ex()

void driver_free_variable_ex	(	ChannelDriver *	driver,
		DriverVar *	dvar
	)

Definition at line 749 of file fcurve_driver.c.

References BKE_driver_invalidate_expression(), driver_free_variable(), and ChannelDriver::variables.

Referenced by driver_delete_var_cb(), and fcurve_free_driver().

◆ driver_get_variable_property()

bool driver_get_variable_property	(	ChannelDriver *	driver,
		DriverTarget *	dtar,
		PointerRNA *	r_ptr,
		PropertyRNA **	r_prop,
		int *	r_index
	)

Same as 'dtar_get_prop_val'. but get the RNA property.

Definition at line 205 of file fcurve_driver.c.

References CLOG_ERROR, DRIVER_FLAG_INVALID, DTAR_FLAG_INVALID, dtar_id_ensure_proxy_from(), ELEM, DriverTarget::flag, ChannelDriver::flag, G, G_DEBUG, id, DriverTarget::id, LOG, ID::name, NULL, PointerRNA_NULL, ptr, RNA_id_pointer_create(), DriverTarget::rna_path, and RNA_path_resolve_full().

Referenced by pyrna_driver_get_variable_value().

◆ driver_get_variable_value()

float driver_get_variable_value	(	ChannelDriver *	driver,
		DriverVar *	dvar
	)

Definition at line 1156 of file fcurve_driver.c.

References DriverVar::curval, ELEM, get_dvar_typeinfo(), DriverVarTypeInfo::get_value, NULL, and DriverVar::type.

Referenced by BPY_driver_exec(), driver_evaluate_simple_expr(), evaluate_driver_min_max(), and evaluate_driver_sum().

◆ driver_try_evaluate_simple_expr()

static bool driver_try_evaluate_simple_expr	(	ChannelDriver *	driver,
		ChannelDriver *	driver_orig,
		float *	result,
		float	time
	)

static

Definition at line 1073 of file fcurve_driver.c.

References BLI_expr_pylike_is_valid(), driver_compile_simple_expr(), driver_evaluate_simple_expr(), ChannelDriver::expr_simple, result, and time.

Referenced by evaluate_driver_python().

◆ driver_variable_name_validate()

void driver_variable_name_validate ( DriverVar * dvar )

Definition at line 807 of file fcurve_driver.c.

References BPY_string_is_keyword(), DVAR_ALL_INVALID_FLAGS, DVAR_FLAG_INVALID_EMPTY, DVAR_FLAG_INVALID_HAS_DOT, DVAR_FLAG_INVALID_HAS_SPACE, DVAR_FLAG_INVALID_HAS_SPECIAL, DVAR_FLAG_INVALID_NAME, DVAR_FLAG_INVALID_PY_KEYWORD, DVAR_FLAG_INVALID_START_CHAR, DVAR_FLAG_INVALID_START_NUM, DriverVar::flag, IN_RANGE_INCL, DriverVar::name, and NULL.

◆ driver_variables_copy()

void driver_variables_copy	(	ListBase *	dst_vars,
		const ListBase *	src_vars
	)

Definition at line 759 of file fcurve_driver.c.

References BLI_assert, BLI_duplicatelist(), BLI_listbase_is_empty(), DRIVER_TARGETS_LOOPER_BEGIN, DRIVER_TARGETS_LOOPER_END, LISTBASE_FOREACH, and MEM_dupallocN.

Referenced by fcurve_copy_driver().

◆ dtar_get_prop_val()

static float dtar_get_prop_val	(	ChannelDriver *	driver,
		DriverTarget *	dtar
	)

static

Helper function to obtain a value using RNA from the specified source (for evaluating drivers).

Definition at line 102 of file fcurve_driver.c.

References CLOG_ERROR, DRIVER_FLAG_INVALID, DTAR_FLAG_INVALID, dtar_id_ensure_proxy_from(), ELEM, DriverTarget::flag, ChannelDriver::flag, float(), G, G_DEBUG, id, DriverTarget::id, LOG, ID::name, NULL, PROP_BOOLEAN, PROP_ENUM, PROP_FLOAT, PROP_INT, ptr, RNA_id_pointer_create(), DriverTarget::rna_path, RNA_path_resolve_property_full(), RNA_property_array_check(), RNA_property_array_length(), RNA_property_boolean_get(), RNA_property_boolean_get_index(), RNA_property_enum_get(), RNA_property_float_get(), RNA_property_float_get_index(), RNA_property_int_get(), RNA_property_int_get_index(), and RNA_property_type().

Referenced by dvar_eval_singleProp().

◆ dtar_id_ensure_proxy_from()

static ID* dtar_id_ensure_proxy_from ( ID * id )

static

Definition at line 90 of file fcurve_driver.c.

References GS, id, ID_OB, and ID::name.

Referenced by driver_check_valid_targets(), driver_get_variable_property(), dtar_get_prop_val(), dvar_eval_locDiff(), dvar_eval_rotDiff(), and dvar_eval_transChan().

◆ dvar_eval_locDiff()

static float dvar_eval_locDiff	(	ChannelDriver *	driver,
		DriverVar *	dvar
	)

static

Evaluate 'location difference' driver variable.

TODO: this needs to take into account space conversions.

Definition at line 372 of file fcurve_driver.c.

References BKE_constraint_mat_convertspace(), BKE_pose_channel_find_name(), BLI_assert, CLOG_WARN, CONSTRAINT_SPACE_LOCAL, CONSTRAINT_SPACE_POSE, CONSTRAINT_SPACE_WORLD, copy_m4_m4(), copy_v3_v3(), driver_check_valid_targets(), DRIVER_TARGETS_LOOPER_END, DRIVER_TARGETS_USED_LOOPER_BEGIN, DTAR_FLAG_LOCAL_CONSTS, DTAR_FLAG_LOCALSPACE, dtar_id_ensure_proxy_from(), G, G_DEBUG, GS, DriverTarget::id, Object::id, ID_OB, len_v3v3(), bPoseChannel::loc, Object::loc, LOG, mul_m4_v3(), ID::name, NULL, Object::obmat, Object::pose, bPoseChannel::pose_head, bPoseChannel::pose_mat, and DriverVar::targets.

◆ dvar_eval_rotDiff()

static float dvar_eval_rotDiff	(	ChannelDriver *	driver,
		DriverVar *	dvar
	)

static

Definition at line 311 of file fcurve_driver.c.

References angle(), BKE_pose_channel_find_name(), BLI_assert, CLOG_WARN, driver_check_valid_targets(), dtar_id_ensure_proxy_from(), fabsf, float(), G, G_DEBUG, GS, DriverTarget::id, Object::id, ID_OB, invert_qt_normalized(), LOG, M_PI, mat4_to_quat(), mul_qt_qtqt(), ID::name, NULL, Object::obmat, DriverTarget::pchan_name, Object::pose, bPoseChannel::pose_mat, q1, saacos(), and DriverVar::targets.

◆ dvar_eval_singleProp()

static float dvar_eval_singleProp	(	ChannelDriver *	driver,
		DriverVar *	dvar
	)

static

Definition at line 304 of file fcurve_driver.c.

References dtar_get_prop_val(), and DriverVar::targets.

◆ dvar_eval_transChan()

static float dvar_eval_transChan	(	ChannelDriver *	driver,
		DriverVar *	dvar
	)

static

Evaluate 'transform channel' driver variable.

Definition at line 474 of file fcurve_driver.c.

References BKE_constraint_mat_convertspace(), BKE_driver_target_matrix_to_rot_channels(), BKE_object_to_mat4(), BKE_pchan_to_mat4(), BKE_pose_channel_find_name(), BLI_assert, compatible_eul(), CONSTRAINT_SPACE_LOCAL, CONSTRAINT_SPACE_POSE, CONSTRAINT_SPACE_WORLD, copy_m4_m4(), copy_v3_v3(), DRIVER_FLAG_INVALID, DTAR_FLAG_INVALID, DTAR_FLAG_LOCAL_CONSTS, DTAR_FLAG_LOCALSPACE, dtar_id_ensure_proxy_from(), DTAR_ROTMODE_AUTO, DTAR_TRANSCHAN_ROTW, DTAR_TRANSCHAN_ROTX, DTAR_TRANSCHAN_SCALE_AVG, DTAR_TRANSCHAN_SCALEX, DTAR_TRANSCHAN_SCALEY, DTAR_TRANSCHAN_SCALEZ, ELEM, bPoseChannel::eul, DriverTarget::flag, ChannelDriver::flag, GS, DriverTarget::id, Object::id, ID_OB, len_v3(), mat4_to_volume_scale(), MAX_DTAR_TRANSCHAN_TYPES, mul_m4_m4m4(), ID::name, NULL, Object::obmat, DriverTarget::pchan_name, Object::pose, bPoseChannel::pose_mat, Object::rot, ROT_MODE_EUL, DriverTarget::rotation_mode, bPoseChannel::rotmode, Object::rotmode, DriverVar::targets, and DriverTarget::transChan.

◆ evaluate_driver()

float evaluate_driver	(	PathResolvedRNA *	anim_rna,
		ChannelDriver *	driver,
		ChannelDriver *	driver_orig,
		const AnimationEvalContext *	anim_eval_context
	)

Evaluate an Channel-Driver to get a 'time' value to use instead of anim_eval_context->eval_time.

anim_eval_context->eval_time is the frame at which F-Curve is being evaluated.
Has to return a float value.
driver_orig is where we cache Python expressions, in case of COW

Definition at line 1280 of file fcurve_driver.c.

References ChannelDriver::curval, DRIVER_FLAG_INVALID, DRIVER_TYPE_AVERAGE, DRIVER_TYPE_MAX, DRIVER_TYPE_MIN, DRIVER_TYPE_PYTHON, DRIVER_TYPE_SUM, evaluate_driver_min_max(), evaluate_driver_python(), evaluate_driver_sum(), ChannelDriver::flag, and ChannelDriver::type.

◆ evaluate_driver_min_max()

static void evaluate_driver_min_max ( ChannelDriver * driver )

static

Definition at line 1211 of file fcurve_driver.c.

References ChannelDriver::curval, driver_get_variable_value(), DRIVER_TYPE_MAX, ListBase::first, DriverVar::next, DriverVar::prev, ChannelDriver::type, and ChannelDriver::variables.

Referenced by evaluate_driver().

◆ evaluate_driver_python()

static void evaluate_driver_python	(	PathResolvedRNA *	anim_rna,
		ChannelDriver *	driver,
		ChannelDriver *	driver_orig,
		const AnimationEvalContext *	anim_eval_context
	)

static

Definition at line 1247 of file fcurve_driver.c.

References BLI_mutex_lock(), BLI_mutex_unlock(), BPY_driver_exec(), ChannelDriver::curval, DRIVER_FLAG_INVALID, driver_try_evaluate_simple_expr(), AnimationEvalContext::eval_time, ChannelDriver::expression, ChannelDriver::flag, and UNUSED_VARS.

Referenced by evaluate_driver().

◆ evaluate_driver_sum()

static void evaluate_driver_sum ( ChannelDriver * driver )

static

Definition at line 1180 of file fcurve_driver.c.

References BLI_listbase_is_single(), ChannelDriver::curval, driver_get_variable_value(), DRIVER_TYPE_AVERAGE, ListBase::first, float(), DriverVar::next, ChannelDriver::type, and ChannelDriver::variables.

Referenced by evaluate_driver().

◆ fcurve_copy_driver()

ChannelDriver* fcurve_copy_driver ( const ChannelDriver * driver )

Definition at line 943 of file fcurve_driver.c.

References BLI_listbase_clear(), driver_variables_copy(), ChannelDriver::expr_comp, ChannelDriver::expr_simple, MEM_dupallocN, NULL, and ChannelDriver::variables.

◆ fcurve_free_driver()

void fcurve_free_driver ( FCurve * fcu )

Definition at line 910 of file fcurve_driver.c.

References BLI_expr_pylike_free(), BPY_DECREF(), FCurve::driver, driver_free_variable_ex(), ELEM, ChannelDriver::expr_comp, ChannelDriver::expr_simple, ListBase::first, MEM_freeN, DriverVar::next, NULL, and ChannelDriver::variables.

Referenced by BKE_fcurve_free().

◆ get_dvar_typeinfo()

static const DriverVarTypeInfo* get_dvar_typeinfo ( int type )

static

Definition at line 707 of file fcurve_driver.c.

References dvar_types, MAX_DVAR_TYPES, NULL, and type.

Referenced by driver_change_variable_type(), and driver_get_variable_value().

◆ python_driver_exression_depends_on_time()

static bool python_driver_exression_depends_on_time ( const char * expression )

static

Definition at line 1093 of file fcurve_driver.c.

References NULL.

Referenced by BKE_driver_expression_depends_on_time().

◆ quaternion_to_angles()

static void quaternion_to_angles	(	float	quat[4],
		int	channel
	)

static

Definition at line 607 of file fcurve_driver.c.

References saacosf(), and saasinf().

Referenced by BKE_driver_target_matrix_to_rot_channels().

Variable Documentation

◆ dvar_types

DriverVarTypeInfo dvar_types[MAX_DVAR_TYPES]

static

Initial value:

= {
    BEGIN_DVAR_TYPEDEF(DVAR_TYPE_SINGLE_PROP) dvar_eval_singleProp, 
    1,                                                              
    {"Property"},                                                   
    {0}                                                             
    END_DVAR_TYPEDEF,
 
    BEGIN_DVAR_TYPEDEF(DVAR_TYPE_ROT_DIFF) dvar_eval_rotDiff, 
    2,                                                        
    {"Object/Bone 1", "Object/Bone 2"},                       
    {DTAR_FLAG_STRUCT_REF | DTAR_FLAG_ID_OB_ONLY,
     DTAR_FLAG_STRUCT_REF | DTAR_FLAG_ID_OB_ONLY} 
    END_DVAR_TYPEDEF,
 
    BEGIN_DVAR_TYPEDEF(DVAR_TYPE_LOC_DIFF) dvar_eval_locDiff, 
    2,                                                        
    {"Object/Bone 1", "Object/Bone 2"},                       
    {DTAR_FLAG_STRUCT_REF | DTAR_FLAG_ID_OB_ONLY,
     DTAR_FLAG_STRUCT_REF | DTAR_FLAG_ID_OB_ONLY} 
    END_DVAR_TYPEDEF,
 
    BEGIN_DVAR_TYPEDEF(DVAR_TYPE_TRANSFORM_CHAN) dvar_eval_transChan, 
    1,                                                                
    {"Object/Bone"},                                                  
    {DTAR_FLAG_STRUCT_REF | DTAR_FLAG_ID_OB_ONLY}                     
    END_DVAR_TYPEDEF,
}

Definition at line 678 of file fcurve_driver.c.

Referenced by get_dvar_typeinfo().

◆ LOG

CLG_LogRef LOG = {"bke.fcurve"}

static

Definition at line 61 of file fcurve_driver.c.

Referenced by driver_evaluate_simple_expr(), driver_get_variable_property(), dtar_get_prop_val(), dvar_eval_locDiff(), and dvar_eval_rotDiff().

Classes

Functions

Variables

Driver Variables

Driver Expression Evaluation

Driver Variable Type Info

Macro Definition Documentation

◆ BEGIN_DVAR_TYPEDEF

◆ END_DVAR_TYPEDEF

Typedef Documentation

◆ DriverVarTypeInfo

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ BKE_driver_expression_depends_on_time()

◆ BKE_driver_has_simple_expression()

◆ BKE_driver_invalidate_expression()

◆ BKE_driver_target_matrix_to_rot_channels()

◆ driver_add_new_variable()

◆ driver_change_variable_type()

◆ driver_check_simple_expr_depends_on_time()

◆ driver_check_valid_targets()

◆ driver_compile_simple_expr()

◆ driver_compile_simple_expr_impl()

◆ driver_evaluate_simple_expr()

◆ driver_free_variable()

◆ driver_free_variable_ex()

◆ driver_get_variable_property()

◆ driver_get_variable_value()

◆ driver_try_evaluate_simple_expr()

◆ driver_variable_name_validate()

◆ driver_variables_copy()

◆ dtar_get_prop_val()

◆ dtar_id_ensure_proxy_from()

◆ dvar_eval_locDiff()

◆ dvar_eval_rotDiff()

◆ dvar_eval_singleProp()

◆ dvar_eval_transChan()

◆ evaluate_driver()

◆ evaluate_driver_min_max()

◆ evaluate_driver_python()

◆ evaluate_driver_sum()

◆ fcurve_copy_driver()

◆ fcurve_free_driver()

◆ get_dvar_typeinfo()

◆ python_driver_exression_depends_on_time()

◆ quaternion_to_angles()

Variable Documentation

◆ dvar_types

◆ LOG