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/**
* blenlib/BKE_armature.h (mar-2001 nzc)
*
* $Id$
*
* ***** 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_ARMATURE_H
#define BKE_ARMATURE_H
struct Bone;
struct Main;
struct bArmature;
struct bPose;
struct Object;
struct MDeformVert;
struct Mesh;
struct PoseChain;
struct ListBase;
typedef struct PoseChain
{
struct PoseChain *next, *prev;
struct Bone *root;
struct Bone *target;
struct bPose *pose;
float goal[3];
float tolerance;
int iterations;
float goalinv[4][4];
struct IK_Chain_Extern *solver;
} PoseChain;
/* Core armature functionality */
#ifdef __cplusplus
extern "C" {
#endif
struct bArmature *add_armature(void);
void free_boneChildren(struct Bone *bone);
void free_bones (struct bArmature *arm);
void unlink_armature(struct bArmature *arm);
void free_armature(struct bArmature *arm);
void make_local_armature(struct bArmature *arm);
struct bArmature *copy_armature(struct bArmature *arm);
void apply_pose_armature (struct bArmature* arm, struct bPose* pose, int doit);
void calc_armature_deform (struct Object *ob, float *co, int index);
int verify_boneptr (struct bArmature *arm, struct Bone *tBone);
void init_armature_deform(struct Object *parent, struct Object *ob);
struct bArmature* get_armature (struct Object* ob);
struct Bone *get_named_bone (struct bArmature *arm, const char *name);
struct Bone *get_indexed_bone (struct bArmature *arm, int index);
void make_displists_by_armature (struct Object *ob);
void calc_bone_deform (struct Bone *bone, float weight, float *vec, float *co, float *contrib);
void where_is_armature_time (struct Object *ob, float ctime);
void where_is_armature (struct Object *ob);
void where_is_bone1_time (struct Object *ob, struct Bone *bone, float ctime);
/* Handy bone matrix functions */
void bone_to_mat4(struct Bone *bone, float mat[][4]);
void bone_to_mat3(struct Bone *bone, float mat[][3]);
void make_boneMatrixvr (float outmatrix[][4],float delta[3], float roll);
void make_boneMatrix (float outmatrix[][4], struct Bone *bone);
void get_bone_root_pos (struct Bone* bone, float vec[3], int posed);
void get_bone_tip_pos (struct Bone* bone, float vec[3], int posed);
float get_bone_length (struct Bone *bone);
void get_objectspace_bone_matrix (struct Bone* bone, float M_accumulatedMatrix[][4], int root, int posed);
void precalc_bone_irestmat (struct Bone *bone);
void precalc_armature_posemats (struct bArmature *arm);
void precalc_bonelist_irestmats (struct ListBase* bonelist);
void apply_bonemat(struct Bone *bone);
/* void make_armatureParentMatrices (struct bArmature *arm); */
void precalc_bone_defmat (struct Bone *bone);
void rebuild_bone_parent_matrix (struct Bone *bone);
/* Animation functions */
void where_is_bone_time (struct Object *ob, struct Bone *bone, float ctime);
void where_is_bone (struct Object *ob, struct Bone *bone);
struct PoseChain *ik_chain_to_posechain (struct Object *ob, struct Bone *bone);
void solve_posechain (PoseChain *chain);
void free_posechain (PoseChain *chain);
/* Gameblender hacks */
void GB_init_armature_deform(struct ListBase *defbase, float premat[][4], float postmat[][4]);
void GB_calc_armature_deform (float *co, struct MDeformVert *dvert);
void GB_build_mats (float parmat[][4], float obmat[][4], float premat[][4], float postmat[][4]);
void GB_validate_defgroups (struct Mesh *mesh, struct ListBase *defbase);
/*void make_boneParentMatrix (struct Bone* bone, float mat[][4]);*/
#ifdef __cplusplus
}
#endif
#endif
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