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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup DNA
*/
#pragma once
#include "DNA_listBase.h"
#ifdef __cplusplus
extern "C" {
#endif
struct Ipo;
struct Object;
struct bAction;
/** Simple uniform modifier structure, assumed it can hold all type info. */
typedef struct bActionModifier {
struct bActionModifier *next, *prev;
short type, flag;
char channel[32];
/* noise modifier */
float noisesize, turbul;
short channels;
/* path deform modifier */
short no_rot_axis;
struct Object *ob;
} bActionModifier;
/* NLA-Modifier Types (UNUSED) */
// #define ACTSTRIP_MOD_DEFORM 0
// #define ACTSTRIP_MOD_NOISE 1
typedef struct bActionStrip {
struct bActionStrip *next, *prev;
short flag, mode;
/** Axis 0=x, 1=y, 2=z. */
short stride_axis;
/** Current modifier for buttons. */
short curmod;
/** Blending ipo - was used for some old NAN era experiments. Non-functional currently. */
struct Ipo *ipo;
/** The action referenced by this strip. */
struct bAction *act;
/** For groups, the actual object being nla'ed. */
struct Object *object;
/** The range of frames covered by this strip. */
float start, end;
/** The range of frames taken from the action. */
float actstart, actend;
/** Offset within action, for cycles and striding. */
float actoffs;
/** The stridelength (considered when flag & ACT_USESTRIDE). */
float stridelen;
/** The number of times to repeat the action range. */
float repeat;
/** The amount the action range is scaled by. */
float scale;
/** The number of frames on either end of the strip's length to fade in/out. */
float blendin, blendout;
/** Instead of stridelen, it uses an action channel. */
char stridechannel[32];
/** If repeat, use this bone/channel for defining offset. */
char offs_bone[32];
/** Modifier stack. */
ListBase modifiers;
} bActionStrip;
/* strip->mode (these defines aren't really used, but are here for reference) */
#define ACTSTRIPMODE_BLEND 0
#define ACTSTRIPMODE_ADD 1
/** #bActionStrip.flag */
typedef enum eActStrip_Flag {
ACTSTRIP_SELECT = (1 << 0),
ACTSTRIP_USESTRIDE = (1 << 1),
/* Not implemented. Is not used anywhere */
/* ACTSTRIP_BLENDTONEXT = (1 << 2), */ /* UNUSED */
ACTSTRIP_HOLDLASTFRAME = (1 << 3),
ACTSTRIP_ACTIVE = (1 << 4),
ACTSTRIP_LOCK_ACTION = (1 << 5),
ACTSTRIP_MUTE = (1 << 6),
/* This has yet to be implemented. To indicate that a strip should be played backwards */
ACTSTRIP_REVERSE = (1 << 7),
ACTSTRIP_AUTO_BLENDS = (1 << 11),
} eActStrip_Flag;
#ifdef __cplusplus
}
#endif
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