/* * 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. */ #pragma once /** \file * \ingroup bke */ #include "BLI_sys_types.h" /* for bool */ #ifdef __cplusplus extern "C" { #endif struct AnimData; struct BlendDataReader; struct BlendExpander; struct BlendLibReader; struct BlendWriter; struct Depsgraph; struct FCurve; struct ID; struct KS_Path; struct KeyingSet; struct ListBase; struct Main; struct NlaKeyframingContext; struct PathResolvedRNA; struct PointerRNA; struct PropertyRNA; struct bAction; struct bActionGroup; struct bContext; /* Container for data required to do FCurve and Driver evaluation. */ typedef struct AnimationEvalContext { /* For drivers, so that they have access to the dependency graph and the current view layer. See * T77086. */ struct Depsgraph *depsgraph; /* FCurves and Drivers can be evaluated at a different time than the current scene time, for * example when evaluating NLA strips. This means that, even though the current time is stored in * the dependency graph, we need an explicit evaluation time. */ float eval_time; } AnimationEvalContext; AnimationEvalContext BKE_animsys_eval_context_construct(struct Depsgraph *depsgraph, float eval_time); AnimationEvalContext BKE_animsys_eval_context_construct_at( const AnimationEvalContext *anim_eval_context, float eval_time); /* ************************************* */ /* KeyingSets API */ /* Used to create a new 'custom' KeyingSet for the user, * that will be automatically added to the stack */ struct KeyingSet *BKE_keyingset_add( struct ListBase *list, const char idname[], const char name[], short flag, short keyingflag); /* Add a path to a KeyingSet */ struct KS_Path *BKE_keyingset_add_path(struct KeyingSet *ks, struct ID *id, const char group_name[], const char rna_path[], int array_index, short flag, short groupmode); /* Find the destination matching the criteria given */ struct KS_Path *BKE_keyingset_find_path(struct KeyingSet *ks, struct ID *id, const char group_name[], const char rna_path[], int array_index, int group_mode); /* Copy all KeyingSets in the given list */ void BKE_keyingsets_copy(struct ListBase *newlist, const struct ListBase *list); /* Free the given Keying Set path */ void BKE_keyingset_free_path(struct KeyingSet *ks, struct KS_Path *ksp); /* Free data for KeyingSet but not set itself */ void BKE_keyingset_free(struct KeyingSet *ks); /* Free all the KeyingSets in the given list */ void BKE_keyingsets_free(struct ListBase *list); void BKE_keyingsets_blend_write(struct BlendWriter *writer, struct ListBase *list); void BKE_keyingsets_blend_read_data(struct BlendDataReader *reader, struct ListBase *list); void BKE_keyingsets_blend_read_lib(struct BlendLibReader *reader, struct ID *id, struct ListBase *list); void BKE_keyingsets_blend_read_expand(struct BlendExpander *expander, struct ListBase *list); /* ************************************* */ /* Path Fixing API */ /* Get a "fixed" version of the given path (oldPath) */ char *BKE_animsys_fix_rna_path_rename(struct ID *owner_id, char *old_path, const char *prefix, const char *oldName, const char *newName, int oldSubscript, int newSubscript, bool verify_paths); /* Fix all the paths for the given ID + Action */ void BKE_action_fix_paths_rename(struct ID *owner_id, struct bAction *act, const char *prefix, const char *oldName, const char *newName, int oldSubscript, int newSubscript, bool verify_paths); /* Fix all the paths for the given ID+AnimData */ void BKE_animdata_fix_paths_rename(struct ID *owner_id, struct AnimData *adt, struct ID *ref_id, const char *prefix, const char *oldName, const char *newName, int oldSubscript, int newSubscript, bool verify_paths); /* Fix all the paths for the entire database... */ void BKE_animdata_fix_paths_rename_all(struct ID *ref_id, const char *prefix, const char *oldName, const char *newName); /* Fix all the paths for the entire bmain with extra parameters. */ void BKE_animdata_fix_paths_rename_all_ex(struct Main *bmain, struct ID *ref_id, const char *prefix, const char *oldName, const char *newName, const int oldSubscript, const int newSubscript, const bool verify_paths); /* Fix the path after removing elements that are not ID (e.g., node). * Return true if any animation data was affected. */ bool BKE_animdata_fix_paths_remove(struct ID *id, const char *path); /* -------------------------------------- */ typedef struct AnimationBasePathChange { struct AnimationBasePathChange *next, *prev; const char *src_basepath; const char *dst_basepath; } AnimationBasePathChange; /* Move animation data from src to destination if its paths are based on basepaths */ void BKE_animdata_transfer_by_basepath(struct Main *bmain, struct ID *srcID, struct ID *dstID, struct ListBase *basepaths); char *BKE_animdata_driver_path_hack(struct bContext *C, struct PointerRNA *ptr, struct PropertyRNA *prop, char *base_path); /* ************************************* */ /* Batch AnimData API */ /* Define for callback looper used in BKE_animdata_main_cb */ typedef void (*ID_AnimData_Edit_Callback)(struct ID *id, struct AnimData *adt, void *user_data); /* Define for callback looper used in BKE_fcurves_main_cb */ typedef void (*ID_FCurve_Edit_Callback)(struct ID *id, struct FCurve *fcu, void *user_data); /* Loop over all datablocks applying callback */ void BKE_animdata_main_cb(struct Main *bmain, ID_AnimData_Edit_Callback func, void *user_data); /* Loop over all datablocks applying callback to all its F-Curves */ void BKE_fcurves_main_cb(struct Main *bmain, ID_FCurve_Edit_Callback func, void *user_data); /* Look over all f-curves of a given ID. */ void BKE_fcurves_id_cb(struct ID *id, ID_FCurve_Edit_Callback func, void *user_data); /* ************************************* */ // TODO: overrides, remapping, and path-finding api's /* ------------ NLA Keyframing --------------- */ typedef struct NlaKeyframingContext NlaKeyframingContext; struct NlaKeyframingContext *BKE_animsys_get_nla_keyframing_context( struct ListBase *cache, struct PointerRNA *ptr, struct AnimData *adt, const struct AnimationEvalContext *anim_eval_context); bool BKE_animsys_nla_remap_keyframe_values(struct NlaKeyframingContext *context, struct PointerRNA *prop_ptr, struct PropertyRNA *prop, float *values, int count, int index, bool *r_force_all); void BKE_animsys_free_nla_keyframing_context_cache(struct ListBase *cache); /* ************************************* */ /* Evaluation API */ /* ------------- Main API -------------------- */ /* In general, these ones should be called to do all animation evaluation */ /* Flags for recalc parameter, indicating which part to recalculate. */ typedef enum eAnimData_Recalc { ADT_RECALC_DRIVERS = (1 << 0), ADT_RECALC_ANIM = (1 << 1), ADT_RECALC_ALL = (ADT_RECALC_DRIVERS | ADT_RECALC_ANIM), } eAnimData_Recalc; bool BKE_animsys_rna_path_resolve(struct PointerRNA *ptr, const char *rna_path, const int array_index, struct PathResolvedRNA *r_result); bool BKE_animsys_read_from_rna_path(struct PathResolvedRNA *anim_rna, float *r_value); bool BKE_animsys_write_to_rna_path(struct PathResolvedRNA *anim_rna, const float value); /* Evaluation loop for evaluating animation data. */ void BKE_animsys_evaluate_animdata(struct ID *id, struct AnimData *adt, const struct AnimationEvalContext *anim_eval_context, eAnimData_Recalc recalc, const bool flush_to_original); /* Evaluation of all ID-blocks with Animation Data blocks - Animation Data Only */ void BKE_animsys_evaluate_all_animation(struct Main *main, struct Depsgraph *depsgraph, float ctime); /* ------------ Specialized API --------------- */ /* There are a few special tools which require these following functions. They are NOT to be used * for standard animation evaluation UNDER ANY CIRCUMSTANCES! * * i.e. Pose Library (PoseLib) uses some of these for selectively applying poses, but * Particles/Sequencer performing funky time manipulation is not ok. */ /* Evaluate Action (F-Curve Bag) */ void animsys_evaluate_action(struct PointerRNA *ptr, struct bAction *act, const struct AnimationEvalContext *anim_eval_context, bool flush_to_original); /* Evaluate Action Group */ void animsys_evaluate_action_group(struct PointerRNA *ptr, struct bAction *act, struct bActionGroup *agrp, const struct AnimationEvalContext *anim_eval_context); /* ************************************* */ /* ------------ Evaluation API --------------- */ struct Depsgraph; void BKE_animsys_eval_animdata(struct Depsgraph *depsgraph, struct ID *id); void BKE_animsys_eval_driver(struct Depsgraph *depsgraph, struct ID *id, int driver_index, struct FCurve *fcu_orig); void BKE_animsys_update_driver_array(struct ID *id); /* ************************************* */ #ifdef __cplusplus } #endif