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/**
* blenlib/BKE_ipo.h (mar-2001 nzc)
*
* $Id$
*
* ***** BEGIN GPL 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.
*
* 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 LICENSE BLOCK *****
*/
#ifndef BKE_IPO_H
#define BKE_IPO_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct CfraElem {
struct CfraElem *next, *prev;
float cfra;
int sel;
} CfraElem;
struct Ipo;
struct IpoCurve;
struct MTex;
struct Material;
struct Object;
struct Sequence;
struct ListBase;
struct BezTriple;
struct ID;
struct bPoseChannel;
struct bActionChannel;
struct rctf;
/* ------------ Time Management ------------ */
float frame_to_float(int cfra);
/* ------------ IPO Management ---------- */
void free_ipo_curve(struct IpoCurve *icu);
void free_ipo(struct Ipo *ipo);
void ipo_default_v2d_cur(int blocktype, struct rctf *cur);
struct Ipo *add_ipo(char *name, int idcode);
struct Ipo *copy_ipo(struct Ipo *ipo);
void ipo_idnew(struct Ipo *ipo);
struct IpoCurve *find_ipocurve(struct Ipo *ipo, int adrcode);
short has_ipo_code(struct Ipo *ipo, int code);
/* -------------- Make Local -------------- */
void make_local_obipo(struct Ipo *ipo);
void make_local_matipo(struct Ipo *ipo);
void make_local_keyipo(struct Ipo *ipo);
void make_local_ipo(struct Ipo *ipo);
/* ------------ IPO-Curve Sanity ---------------- */
void calchandles_ipocurve(struct IpoCurve *icu);
void testhandles_ipocurve(struct IpoCurve *icu);
void sort_time_ipocurve(struct IpoCurve *icu);
int test_time_ipocurve(struct IpoCurve *icu);
/* -------- IPO-Curve (Bezier) Calculations ---------- */
void correct_bezpart(float *v1, float *v2, float *v3, float *v4);
int findzero(float x, float q0, float q1, float q2, float q3, float *o);
void berekeny(float f1, float f2, float f3, float f4, float *o, int b);
void berekenx(float *f, float *o, int b);
/* -------- IPO Curve Calculation and Evaluation --------- */
float eval_icu(struct IpoCurve *icu, float ipotime);
void calc_icu(struct IpoCurve *icu, float ctime);
float calc_ipo_time(struct Ipo *ipo, float ctime);
void calc_ipo(struct Ipo *ipo, float ctime);
/* ------------ Keyframe Column Tools -------------- */
void add_to_cfra_elem(struct ListBase *lb, struct BezTriple *bezt);
void make_cfra_list(struct Ipo *ipo, struct ListBase *elems);
/* ---------------- IPO DataAPI ----------------- */
void write_ipo_poin(void *poin, int type, float val);
float read_ipo_poin(void *poin, int type);
void *give_mtex_poin(struct MTex *mtex, int adrcode );
void *get_pchan_ipo_poin(struct bPoseChannel *pchan, int adrcode);
void *get_ipo_poin(struct ID *id, struct IpoCurve *icu, int *type);
void set_icu_vars(struct IpoCurve *icu);
/* ---------------- IPO Execution --------------- */
void execute_ipo(struct ID *id, struct Ipo *ipo);
void execute_action_ipo(struct bActionChannel *achan, struct bPoseChannel *pchan);
void do_ipo_nocalc(struct Ipo *ipo);
void do_ipo(struct Ipo *ipo);
void do_mat_ipo(struct Material *ma);
void do_ob_ipo(struct Object *ob);
void do_seq_ipo(struct Sequence *seq, int cfra);
void do_ob_ipodrivers(struct Object *ob, struct Ipo *ipo, float ctime);
void do_all_data_ipos(void);
short calc_ipo_spec(struct Ipo *ipo, int adrcode, float *ctime);
void clear_delta_obipo(struct Ipo *ipo);
/* ----------- IPO <-> GameEngine API ---------------- */
/* the short is an IPO_Channel... */
short IPO_GetChannels(struct Ipo *ipo, short *channels);
float IPO_GetFloatValue(struct Ipo *ipo, short c, float ctime);
#ifdef __cplusplus
};
#endif
#endif
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