230 lines
7.1 KiB
C++
230 lines
7.1 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* Contributor(s): Full recode, Ton Roosendaal, Crete 2005
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* Full recode, Joshua Leung, 2009
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef BKE_ACTION_H
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#define BKE_ACTION_H
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/** \file BKE_action.h
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* \ingroup bke
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* \brief Blender kernel action and pose functionality.
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* \author Reevan McKay
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* \author Ton Roosendaal (full recode 2005)
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* \author Joshua Leung (full recode 2009)
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* \since may 2001
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*/
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#include "DNA_listBase.h"
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/* The following structures are defined in DNA_action_types.h, and DNA_anim_types.h */
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struct bAction;
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struct bActionGroup;
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struct FCurve;
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struct bPose;
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struct bItasc;
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struct bPoseChannel;
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struct Object;
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struct Scene;
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struct ID;
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/* Kernel prototypes */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Action Lib Stuff ----------------- */
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/* Allocate a new bAction with the given name */
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struct bAction *add_empty_action(const char name[]);
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/* Allocate a copy of the given Action and all its data */
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struct bAction *copy_action(struct bAction *src);
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/* Deallocate all of the Action's data, but not the Action itself */
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void free_action(struct bAction *act);
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// XXX is this needed?
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void make_local_action(struct bAction *act);
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/* Action API ----------------- */
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/* types of transforms applied to the given item
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* - these are the return falgs for action_get_item_transforms()
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*/
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typedef enum eAction_TransformFlags {
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/* location */
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ACT_TRANS_LOC = (1<<0),
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/* rotation */
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ACT_TRANS_ROT = (1<<1),
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/* scaling */
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ACT_TRANS_SCALE = (1<<2),
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/* strictly not a transform, but custom properties are also
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* quite often used in modern rigs
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*/
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ACT_TRANS_PROP = (1<<3),
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/* all flags */
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ACT_TRANS_ONLY = (ACT_TRANS_LOC|ACT_TRANS_ROT|ACT_TRANS_SCALE),
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ACT_TRANS_ALL = (ACT_TRANS_ONLY|ACT_TRANS_PROP)
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} eAction_TransformFlags;
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/* Return flags indicating which transforms the given object/posechannel has
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* - if 'curves' is provided, a list of links to these curves are also returned
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* whose nodes WILL NEED FREEING
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*/
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short action_get_item_transforms(struct bAction *act, struct Object *ob, struct bPoseChannel *pchan, ListBase *curves);
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/* Some kind of bounding box operation on the action */
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void calc_action_range(const struct bAction *act, float *start, float *end, short incl_modifiers);
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/* Does action have any motion data at all? */
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short action_has_motion(const struct bAction *act);
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/* Action Groups API ----------------- */
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/* Get the active action-group for an Action */
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struct bActionGroup *get_active_actiongroup(struct bAction *act);
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/* Make the given Action Group the active one */
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void set_active_action_group(struct bAction *act, struct bActionGroup *agrp, short select);
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/* Add a new action group with the given name to the action */
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struct bActionGroup *action_groups_add_new(struct bAction *act, const char name[]);
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/* Add given channel into (active) group */
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void action_groups_add_channel(struct bAction *act, struct bActionGroup *agrp, struct FCurve *fcurve);
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/* Remove the given channel from all groups */
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void action_groups_remove_channel(struct bAction *act, struct FCurve *fcu);
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/* Find a group with the given name */
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struct bActionGroup *action_groups_find_named(struct bAction *act, const char name[]);
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/* Clear all 'temp' flags on all groups */
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void action_groups_clear_tempflags(struct bAction *act);
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/* Pose API ----------------- */
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/**
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* Deallocates a pose channel.
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* Does not free the pose channel itself.
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*/
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void free_pose_channel(struct bPoseChannel *pchan);
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/**
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* Removes and deallocates all channels from a pose.
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* Does not free the pose itself.
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*/
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void free_pose_channels(struct bPose *pose);
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/**
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* Removes the hash for quick lookup of channels, must
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* be done when adding/removing channels.
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*/
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void make_pose_channels_hash(struct bPose *pose);
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void free_pose_channels_hash(struct bPose *pose);
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/**
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* Removes and deallocates all data from a pose, and also frees the pose.
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*/
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void free_pose(struct bPose *pose);
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/**
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* Allocate a new pose on the heap, and copy the src pose and it's channels
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* into the new pose. *dst is set to the newly allocated structure, and assumed to be NULL.
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*/
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void copy_pose(struct bPose **dst, struct bPose *src, int copyconstraints);
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/**
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* Copy the internal members of each pose channel including constraints
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* and ID-Props, used when duplicating bones in editmode.
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*/
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void duplicate_pose_channel_data(struct bPoseChannel *pchan, const struct bPoseChannel *pchan_from);
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/**
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* Return a pointer to the pose channel of the given name
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* from this pose.
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*/
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struct bPoseChannel *get_pose_channel(const struct bPose *pose, const char *name);
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/**
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* Return a pointer to the active pose channel from this Object.
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* (Note: Object, not bPose is used here, as we need layer info from Armature)
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*/
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struct bPoseChannel *get_active_posechannel(struct Object *ob);
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/**
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* Looks to see if the channel with the given name
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* already exists in this pose - if not a new one is
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* allocated and initialized.
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*/
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struct bPoseChannel *verify_pose_channel(struct bPose* pose, const char* name);
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/* Copy the data from the action-pose (src) into the pose */
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void extract_pose_from_pose(struct bPose *pose, const struct bPose *src);
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/* sets constraint flags */
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void update_pose_constraint_flags(struct bPose *pose);
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/* return the name of structure pointed by pose->ikparam */
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const char *get_ikparam_name(struct bPose *pose);
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/* allocate and initialize pose->ikparam according to pose->iksolver */
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void init_pose_ikparam(struct bPose *pose);
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/* initialize a bItasc structure with default value */
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void init_pose_itasc(struct bItasc *itasc);
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/* clears BONE_UNKEYED flags for frame changing */
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// XXX to be depreceated for a more general solution in animsys...
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void framechange_poses_clear_unkeyed(void);
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/* Bone Groups API --------------------- */
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/* Adds a new bone-group */
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void pose_add_group(struct Object *ob);
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/* Remove the active bone-group */
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void pose_remove_group(struct Object *ob);
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/* Assorted Evaluation ----------------- */
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/* Used for the Action Constraint */
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void what_does_obaction(struct Object *ob, struct Object *workob, struct bPose *pose, struct bAction *act, char groupname[], float cframe);
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/* for proxy */
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void copy_pose_result(struct bPose *to, struct bPose *from);
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/* clear all transforms */
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void rest_pose(struct bPose *pose);
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#ifdef __cplusplus
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};
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#endif
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#endif
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