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/* BKE_action.h May 2001
*
* Blender kernel action functionality
*
* Reevan McKay
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef BKE_ACTION_H
#define BKE_ACTION_H
#include "DNA_listBase.h"
/**
* The following structures are defined in DNA_action_types.h
*/
struct bAction;
struct bActionChannel;
struct bPose;
struct bPoseChannel;
struct Object;
/* Kernel prototypes */
#ifdef __cplusplus
extern "C" {
#endif
/**
* Allocate a new pose channel on the heap and binary copy the
* contents of the src pose channel.
*/
struct bPoseChannel *
copy_pose_channel (
const struct bPoseChannel *src
);
/**
* Removes and deallocates all channels from a pose.
* Does not free the pose itself.
*/
void
clear_pose (
struct bPose *pose
);
/* Sets the value of a pose channel */
struct bPoseChannel *
set_pose_channel (
struct bPose *pose,
struct bPoseChannel *chan
);
/**
* Allocate a new pose on the heap, and copy the src pose and it's channels
* into the new pose. *dst is set to the newly allocated structure.
*/
void
copy_pose(
struct bPose **dst,
const struct bPose *src,
int copyconstraints
);
/**
* Deallocate the action's channels including constraint channels.
* does not free the action structure.
*/
void
free_action(
struct bAction * id
);
void
make_local_action(
struct bAction *act
);
void
do_all_actions(
void
);
/**
* Return a pointer to the pose channel of the given name
* from this pose.
*/
struct bPoseChannel *
get_pose_channel (
const struct bPose *pose,
const char *name
);
/**
* Looks to see if the channel with the given name
* already exists in this pose - if not a new one is
* allocated and initialized.
*/
void
verify_pose_channel (
struct bPose* pose,
const char* name
);
/**
* Allocate a new bAction on the heap and copy
* the contents of src into it. If src is NULL NULL is returned.
*/
struct bAction*
copy_action(
const struct bAction *src
);
/**
* Some kind of bounding box operation on the action.
*/
float
calc_action_start (
const struct bAction *act
);
float
calc_action_end (
const struct bAction *act
);
/**
* Evaluate the pose from the given action.
* If the pose does not exist, a new one is created.
* Some deep calls into blender are made here.
*/
void
get_pose_from_action (
struct bPose **pose,
struct bAction *act,
float ctime
);
/**
* I think this duplicates the src into *pose.
* If the pose does not exist, a new one is created.
* If the pose does not contain channels from src
* new channels are created.
*/
void
get_pose_from_pose (
struct bPose **pose,
const struct bPose *src
);
void
clear_pose_constraint_status (
struct Object *ob
);
/**
* Blends the common subset of channels from dst and src.
* and writes result to dst.
*/
void
blend_poses (
struct bPose *dst,
const struct bPose *src,
float srcweight,
short mode
);
/**
* Iterate through the action channels of the action
* and return the channel with the given name.
* Returns NULL if no channel.
*/
struct bActionChannel *
get_named_actionchannel (
struct bAction *act,
const char *name
);
#ifdef __cplusplus
};
#endif
enum {
POSE_BLEND = 0,
POSE_ADD
};
enum {
POSE_KEY = 0x10000000,
POSE_LOC = 0x00000001,
POSE_ROT = 0x00000002,
POSE_SIZE = 0x00000004,
POSE_UNUSED1 = 0x00000008,
POSE_UNUSED2 = 0x00000010,
POSE_UNUSED3 = 0x00000020,
POSE_UNUSED4 = 0x00000040,
POSE_UNUSED5 = 0x00000080,
POSE_OBMAT = 0x00000100,
POSE_PARMAT = 0x00000200,
PCHAN_DONE = 0x00000400
};
#endif
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