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/**
* $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) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef ED_ANIM_API_H
#define ED_ANIM_API_H
struct ID;
struct ListBase;
struct AnimData;
struct bContext;
struct wmKeyConfig;
struct ScrArea;
struct ARegion;
struct View2D;
struct Scene;
struct Object;
struct bDopeSheet;
struct bActionGroup;
struct FCurve;
struct FModifier;
struct uiBlock;
struct uiLayout;
/* ************************************************ */
/* ANIMATION CHANNEL FILTERING */
/* anim_filter.c */
/* --------------- Context --------------------- */
/* This struct defines a structure used for animation-specific
* 'context' information
*/
typedef struct bAnimContext {
void *data; /* data to be filtered for use in animation editor */
short datatype; /* type of data eAnimCont_Types */
short mode; /* editor->mode */
short spacetype; /* sa->spacetype */
short regiontype; /* active region -> type (channels or main) */
struct ScrArea *sa; /* editor */
struct ARegion *ar; /* region within editor */
struct Scene *scene; /* active scene */
struct Object *obact; /* active object */
ListBase *markers; /* active set of markers */
} bAnimContext;
/* Main Data container types */
// XXX was ACTCONT_*
typedef enum eAnimCont_Types {
ANIMCONT_NONE = 0, /* invalid or no data */
ANIMCONT_ACTION, /* action (bAction) */
ANIMCONT_SHAPEKEY, /* shapekey (Key) */
ANIMCONT_GPENCIL, /* grease pencil (screen) */
ANIMCONT_DOPESHEET, /* dopesheet (bDopesheet) */
ANIMCONT_FCURVES, /* animation F-Curves (bDopesheet) */
ANIMCONT_DRIVERS, /* drivers (bDopesheet) */
ANIMCONT_NLA, /* nla (bDopesheet) */
} eAnimCont_Types;
/* --------------- Channels -------------------- */
/* This struct defines a structure used for quick and uniform access for
* channels of animation data
*/
typedef struct bAnimListElem {
struct bAnimListElem *next, *prev;
void *data; /* source data this elem represents */
int type; /* one of the ANIMTYPE_* values */
int flag; /* copy of elem's flags for quick access */
int index; /* for un-named data, the index of the data in it's collection */
void *key_data; /* motion data - mostly F-Curves, but can be other types too */
short datatype; /* type of motion data to expect */
struct ID *id; /* ID block that channel is attached to */
struct AnimData *adt; /* source of the animation data attached to ID block (for convenience) */
void *owner; /* group or channel which acts as this channel's owner */
short ownertype; /* type of owner */
} bAnimListElem;
/* Some types for easier type-testing
* NOTE: need to keep the order of these synchronised with the channels define code
* which is used for drawing and handling channel lists for
*/
// XXX was ACTTYPE_*
typedef enum eAnim_ChannelType {
ANIMTYPE_NONE= 0,
ANIMTYPE_ANIMDATA,
ANIMTYPE_SPECIALDATA,
ANIMTYPE_SUMMARY,
ANIMTYPE_SCENE,
ANIMTYPE_OBJECT,
ANIMTYPE_GROUP,
ANIMTYPE_FCURVE,
ANIMTYPE_FILLACTD,
ANIMTYPE_FILLDRIVERS,
ANIMTYPE_FILLMATD,
ANIMTYPE_FILLPARTD,
ANIMTYPE_DSMAT,
ANIMTYPE_DSLAM,
ANIMTYPE_DSCAM,
ANIMTYPE_DSCUR,
ANIMTYPE_DSSKEY,
ANIMTYPE_DSWOR,
ANIMTYPE_DSNTREE,
ANIMTYPE_DSPART,
ANIMTYPE_DSMBALL,
ANIMTYPE_DSARM,
ANIMTYPE_SHAPEKEY,
ANIMTYPE_GPDATABLOCK,
ANIMTYPE_GPLAYER,
ANIMTYPE_NLATRACK,
ANIMTYPE_NLAACTION,
/* always as last item, the total number of channel types... */
ANIMTYPE_NUM_TYPES,
} eAnim_ChannelType;
/* types of keyframe data in bAnimListElem */
typedef enum eAnim_KeyType {
ALE_NONE = 0, /* no keyframe data */
ALE_FCURVE, /* F-Curve */
ALE_GPFRAME, /* Grease Pencil Frames */
ALE_NLASTRIP, /* NLA Strips */
ALE_ALL, /* All channels summary */
ALE_SCE, /* Scene summary */
ALE_OB, /* Object summary */
ALE_ACT, /* Action summary */
ALE_GROUP, /* Action Group summary */
} eAnim_KeyType;
/* ----------------- Filtering -------------------- */
/* filtering flags - under what circumstances should a channel be added */
// XXX was ACTFILTER_*
typedef enum eAnimFilter_Flags {
ANIMFILTER_VISIBLE = (1<<0), /* should channels be visible (in terms of hierarchy only) */
ANIMFILTER_SEL = (1<<1), /* should channels be selected */
ANIMFILTER_UNSEL = (1<<2), /* should channels be NOT selected */
ANIMFILTER_FOREDIT = (1<<3), /* does editable status matter */
ANIMFILTER_CURVESONLY = (1<<4), /* don't include summary-channels, etc. */
ANIMFILTER_CHANNELS = (1<<5), /* make list for interface drawing */
ANIMFILTER_ACTGROUPED = (1<<6), /* belongs to the active actiongroup */
ANIMFILTER_CURVEVISIBLE = (1<<7), /* F-Curve is visible for editing/viewing in Graph Editor */
ANIMFILTER_ACTIVE = (1<<8), /* channel should be 'active' */
ANIMFILTER_ANIMDATA = (1<<9), /* only return the underlying AnimData blocks (not the tracks, etc.) data comes from */
ANIMFILTER_NLATRACKS = (1<<10), /* only include NLA-tracks */
ANIMFILTER_SELEDIT = (1<<11), /* link editability with selected status */
/* all filters - the power inside the bracket must be the last power for left-shifts + 1 */
ANIMFILTER_ALLFILTERS = ((1<<12) - 1)
} eAnimFilter_Flags;
/* ---------- Flag Checking Macros ------------ */
// xxx check on all of these flags again...
/* Dopesheet only */
/* 'Scene' channels */
#define SEL_SCEC(sce) ((sce->flag & SCE_DS_SELECTED))
#define EXPANDED_SCEC(sce) ((sce->flag & SCE_DS_COLLAPSED)==0)
/* 'Sub-Scene' channels (flags stored in Data block) */
#define FILTER_WOR_SCED(wo) ((wo->flag & WO_DS_EXPAND))
#define FILTER_NTREE_SCED(ntree) ((ntree->flag & NTREE_DS_EXPAND))
/* 'Object' channels */
#define SEL_OBJC(base) ((base->flag & SELECT))
#define EXPANDED_OBJC(ob) ((ob->nlaflag & OB_ADS_COLLAPSED)==0)
/* 'Sub-object' channels (flags stored in Object block) */
#define FILTER_MAT_OBJC(ob) ((ob->nlaflag & OB_ADS_SHOWMATS))
#define FILTER_PART_OBJC(ob) ((ob->nlaflag & OB_ADS_SHOWPARTS))
/* 'Sub-object' channels (flags stored in Data block) */
#define FILTER_SKE_OBJD(key) ((key->flag & KEY_DS_EXPAND))
#define FILTER_MAT_OBJD(ma) ((ma->flag & MA_DS_EXPAND))
#define FILTER_LAM_OBJD(la) ((la->flag & LA_DS_EXPAND))
#define FILTER_CAM_OBJD(ca) ((ca->flag & CAM_DS_EXPAND))
#define FILTER_CUR_OBJD(cu) ((cu->flag & CU_DS_EXPAND))
#define FILTER_PART_OBJD(part) ((part->flag & PART_DS_EXPAND))
#define FILTER_MBALL_OBJD(mb) ((mb->flag2 & MB_DS_EXPAND))
#define FILTER_ARM_OBJD(arm) ((arm->flag & ARM_DS_EXPAND))
/* 'Sub-object/Action' channels (flags stored in Action) */
#define SEL_ACTC(actc) ((actc->flag & ACT_SELECTED))
#define EXPANDED_ACTC(actc) ((actc->flag & ACT_COLLAPSED)==0)
/* 'Sub-AnimData' chanenls */
#define EXPANDED_DRVD(adt) ((adt->flag & ADT_DRIVERS_COLLAPSED)==0)
/* Actions (also used for Dopesheet) */
/* Action Channel Group */
#define EDITABLE_AGRP(agrp) ((agrp->flag & AGRP_PROTECTED)==0)
#define EXPANDED_AGRP(agrp) (agrp->flag & AGRP_EXPANDED)
#define SEL_AGRP(agrp) ((agrp->flag & AGRP_SELECTED) || (agrp->flag & AGRP_ACTIVE))
/* F-Curve Channels */
#define EDITABLE_FCU(fcu) ((fcu->flag & FCURVE_PROTECTED)==0)
#define SEL_FCU(fcu) (fcu->flag & (FCURVE_ACTIVE|FCURVE_SELECTED))
/* ShapeKey mode only */
#define EDITABLE_SHAPEKEY(kb) ((kb->flag & KEYBLOCK_LOCKED)==0)
#define SEL_SHAPEKEY(kb) (kb->flag & KEYBLOCK_SEL)
/* Grease Pencil only */
/* Grease Pencil datablock settings */
#define EXPANDED_GPD(gpd) (gpd->flag & GP_DATA_EXPAND)
/* Grease Pencil Layer settings */
#define EDITABLE_GPL(gpl) ((gpl->flag & GP_LAYER_LOCKED)==0)
#define SEL_GPL(gpl) ((gpl->flag & GP_LAYER_ACTIVE) || (gpl->flag & GP_LAYER_SELECT))
/* NLA only */
#define SEL_NLT(nlt) (nlt->flag & NLATRACK_SELECTED)
#define EDITABLE_NLT(nlt) ((nlt->flag & NLATRACK_PROTECTED)==0)
/* -------------- Channel Defines -------------- */
/* channel heights */
#define ACHANNEL_FIRST -16
#define ACHANNEL_HEIGHT 16
#define ACHANNEL_HEIGHT_HALF 8
#define ACHANNEL_SKIP 2
#define ACHANNEL_STEP (ACHANNEL_HEIGHT + ACHANNEL_SKIP)
/* channel widths */
#define ACHANNEL_NAMEWIDTH 200
/* channel toggle-buttons */
#define ACHANNEL_BUTTON_WIDTH 16
/* -------------- NLA Channel Defines -------------- */
/* NLA channel heights */
#define NLACHANNEL_FIRST -16
#define NLACHANNEL_HEIGHT 24
#define NLACHANNEL_HEIGHT_HALF 12
#define NLACHANNEL_SKIP 2
#define NLACHANNEL_STEP (NLACHANNEL_HEIGHT + NLACHANNEL_SKIP)
/* channel widths */
#define NLACHANNEL_NAMEWIDTH 200
/* channel toggle-buttons */
#define NLACHANNEL_BUTTON_WIDTH 16
/* ---------------- API -------------------- */
/* Obtain list of filtered Animation channels to operate on.
* Returns the number of channels in the list
*/
int ANIM_animdata_filter(bAnimContext *ac, ListBase *anim_data, int filter_mode, void *data, short datatype);
/* Obtain current anim-data context from Blender Context info.
* Returns whether the operation was successful.
*/
short ANIM_animdata_get_context(const struct bContext *C, bAnimContext *ac);
/* Obtain current anim-data context (from Animation Editor) given
* that Blender Context info has already been set.
* Returns whether the operation was successful.
*/
short ANIM_animdata_context_getdata(bAnimContext *ac);
/* ************************************************ */
/* ANIMATION CHANNELS LIST */
/* anim_channels_*.c */
/* ------------------------ Drawing TypeInfo -------------------------- */
/* flag-setting behaviour */
typedef enum eAnimChannels_SetFlag {
ACHANNEL_SETFLAG_CLEAR = 0,
ACHANNEL_SETFLAG_ADD,
ACHANNEL_SETFLAG_TOGGLE
} eAnimChannels_SetFlag;
/* types of settings for AnimChanels */
typedef enum eAnimChannel_Settings {
ACHANNEL_SETTING_SELECT = 0,
ACHANNEL_SETTING_PROTECT, // warning: for drawing UI's, need to check if this is off (maybe inverse this later)
ACHANNEL_SETTING_MUTE,
ACHANNEL_SETTING_EXPAND,
ACHANNEL_SETTING_VISIBLE, /* only for Graph Editor */
ACHANNEL_SETTING_SOLO, /* only for NLA Tracks */
} eAnimChannel_Settings;
/* Drawing, mouse handling, and flag setting behaviour... */
typedef struct bAnimChannelType {
/* drawing */
/* draw backdrop strip for channel */
void (*draw_backdrop)(bAnimContext *ac, bAnimListElem *ale, float yminc, float ymaxc);
/* get depth of indention (relative to the depth channel is nested at) */
short (*get_indent_level)(bAnimContext *ac, bAnimListElem *ale);
/* get offset in pixels for the start of the channel (in addition to the indent depth) */
short (*get_offset)(bAnimContext *ac, bAnimListElem *ale);
/* get name (for channel lists) */
void (*name)(bAnimListElem *ale, char *name);
/* get icon (for channel lists) */
int (*icon)(bAnimListElem *ale);
/* settings */
/* check if the given setting is valid in the current context */
short (*has_setting)(bAnimContext *ac, bAnimListElem *ale, int setting);
/* get the flag used for this setting */
int (*setting_flag)(int setting, short *neg);
/* get the pointer to int/short where data is stored,
* with type being sizeof(ptr_data) which should be fine for runtime use...
* - assume that setting has been checked to be valid for current context
*/
void *(*setting_ptr)(bAnimListElem *ale, int setting, short *type);
} bAnimChannelType;
/* ------------------------ Drawing API -------------------------- */
/* Get typeinfo for the given channel */
bAnimChannelType *ANIM_channel_get_typeinfo(bAnimListElem *ale);
/* Draw the given channel */
void ANIM_channel_draw(bAnimContext *ac, bAnimListElem *ale, float yminc, float ymaxc);
/* Draw the widgets for the given channel */
void ANIM_channel_draw_widgets(bAnimContext *ac, bAnimListElem *ale, struct uiBlock *block, float yminc, float ymaxc);
/* ------------------------ Editing API -------------------------- */
/* Check if some setting for a channel is enabled
* Returns: 1 = On, 0 = Off, -1 = Invalid
*
* - setting: eAnimChannel_Settings
*/
short ANIM_channel_setting_get(bAnimContext *ac, bAnimListElem *ale, int setting);
/* Change value of some setting for a channel
* - setting: eAnimChannel_Settings
* - mode: eAnimChannels_SetFlag
*/
void ANIM_channel_setting_set(bAnimContext *ac, bAnimListElem *ale, int setting, short mode);
/* Deselect all animation channels */
void ANIM_deselect_anim_channels(void *data, short datatype, short test, short sel);
/* Set the 'active' channel of type channel_type, in the given action */
void ANIM_set_active_channel(bAnimContext *ac, void *data, short datatype, int filter, void *channel_data, short channel_type);
/* ************************************************ */
/* DRAWING API */
/* anim_draw.c */
/* ---------- Current Frame Drawing ---------------- */
/* flags for Current Frame Drawing */
enum {
/* plain time indicator with no special indicators */
DRAWCFRA_PLAIN = 0,
/* draw box indicating current frame number */
DRAWCFRA_SHOW_NUMBOX = (1<<0),
/* time indication in seconds or frames */
DRAWCFRA_UNIT_SECONDS = (1<<1),
/* show time-offset line */
DRAWCFRA_SHOW_TIMEOFS = (1<<2),
} eAnimEditDraw_CurrentFrame;
/* main call to draw current-frame indicator in an Animation Editor */
void ANIM_draw_cfra(const struct bContext *C, struct View2D *v2d, short flag);
/* ------------- Preview Range Drawing -------------- */
/* main call to draw preview range curtains */
void ANIM_draw_previewrange(const struct bContext *C, struct View2D *v2d);
/* ------------- Preview Range Drawing -------------- */
/* standard header buttons for Animation Editors */
short ANIM_headerUI_standard_buttons(const struct bContext *C, struct bDopeSheet *ads, struct uiBlock *block, short xco, short yco);
/* ************************************************* */
/* F-MODIFIER TOOLS */
/* draw a given F-Modifier for some layout/UI-Block */
void ANIM_uiTemplate_fmodifier_draw(const struct bContext *C, struct uiLayout *layout, struct ID *id, ListBase *modifiers, struct FModifier *fcm);
/* ************************************************* */
/* ASSORTED TOOLS */
/* ------------ Animation F-Curves <-> Icons/Names Mapping ------------ */
/* anim_ipo_utils.c */
/* Get icon + name for channel-list displays for F-Curve */
int getname_anim_fcurve(char *name, struct ID *id, struct FCurve *fcu);
/* Automatically determine a color for the nth F-Curve */
void ipo_rainbow(int cur, int tot, float *out);
/* ------------- NLA-Mapping ----------------------- */
/* anim_draw.c */
/* Obtain the AnimData block providing NLA-scaling for the given channel if applicable */
struct AnimData *ANIM_nla_mapping_get(bAnimContext *ac, bAnimListElem *ale);
/* Apply/Unapply NLA mapping to all keyframes in the nominated F-Curve */
void ANIM_nla_mapping_apply_fcurve(struct AnimData *adt, struct FCurve *fcu, short restore, short only_keys);
/* ..... */
/* Perform auto-blending/extend refreshes after some operations */
// NOTE: defined in space_nla/nla_edit.c, not in animation/
void ED_nla_postop_refresh(bAnimContext *ac);
/* ------------- Utility macros ----------------------- */
/* provide access to Keyframe Type info in BezTriple
* NOTE: this is so that we can change it from being stored in 'hide'
*/
#define BEZKEYTYPE(bezt) ((bezt)->hide)
/* set/clear/toggle macro
* - channel - channel with a 'flag' member that we're setting
* - smode - 0=clear, 1=set, 2=toggle
* - sflag - bitflag to set
*/
#define ACHANNEL_SET_FLAG(channel, smode, sflag) \
{ \
if (smode == ACHANNEL_SETFLAG_TOGGLE) (channel)->flag ^= (sflag); \
else if (smode == ACHANNEL_SETFLAG_ADD) (channel)->flag |= (sflag); \
else (channel)->flag &= ~(sflag); \
}
/* set/clear/toggle macro, where the flag is negative
* - channel - channel with a 'flag' member that we're setting
* - smode - 0=clear, 1=set, 2=toggle
* - sflag - bitflag to set
*/
#define ACHANNEL_SET_FLAG_NEG(channel, smode, sflag) \
{ \
if (smode == ACHANNEL_SETFLAG_TOGGLE) (channel)->flag ^= (sflag); \
else if (smode == ACHANNEL_SETFLAG_ADD) (channel)->flag &= ~(sflag); \
else (channel)->flag |= (sflag); \
}
/* --------- anim_deps.c, animation updates -------- */
/* generic update flush, does tagged objects only, reads from Context screen (layers) and scene */
void ED_anim_dag_flush_update(const struct bContext *C);
/* only flush object */
void ED_anim_object_flush_update(const struct bContext *C, struct Object *ob);
/* pose <-> action syncing */
void ANIM_action_to_pose_sync(struct Object *ob);
void ANIM_pose_to_action_sync(struct Object *ob, struct ScrArea *sa);
/* ************************************************* */
/* OPERATORS */
/* generic animation channels */
void ED_operatortypes_animchannels(void);
void ED_keymap_animchannels(struct wmKeyConfig *keyconf);
/* generic time editing */
void ED_operatortypes_anim(void);
void ED_keymap_anim(struct wmKeyConfig *keyconf);
/* ************************************************ */
#endif /* ED_ANIM_API_H */
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