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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation, Joshua Leung
* All rights reserved.
*
* Contributor(s): Joshua Leung (full recode)
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef DNA_ANIM_TYPES_H
#define DNA_ANIM_TYPES_H
#ifdef __cplusplus
extern "C" {
#endif
#include "DNA_ID.h"
#include "DNA_listBase.h"
#include "DNA_action_types.h"
#include "DNA_curve_types.h"
/* ************************************************ */
/* F-Curve DataTypes */
/* Modifiers -------------------------------------- */
/* F-Curve Modifiers (fcm)
*
* These alter the way F-Curves behave, by altering the value that is returned
* when evaluating the curve's data at some time (t).
*/
typedef struct FModifier {
struct FModifier *next, *prev;
void *data; /* pointer to modifier data */
void *edata; /* pointer to temporary data used during evaluation */
char name[64]; /* user-defined description for the modifier */
short type; /* type of f-curve modifier */
short flag; /* settings for the modifier */
float influence; /* the amount that the modifier should influence the value */
} FModifier;
/* Types of F-Curve modifier
* WARNING: order here is important!
*/
typedef enum eFModifier_Types {
FMODIFIER_TYPE_NULL = 0,
FMODIFIER_TYPE_GENERATOR,
FMODIFIER_TYPE_FN_GENERATOR,
FMODIFIER_TYPE_ENVELOPE,
FMODIFIER_TYPE_CYCLES,
FMODIFIER_TYPE_NOISE,
FMODIFIER_TYPE_FILTER, /* unimplemented - for applying: fft, high/low pass filters, etc. */
FMODIFIER_TYPE_PYTHON,
FMODIFIER_TYPE_LIMITS,
FMODIFIER_TYPE_STEPPED,
/* NOTE: all new modifiers must be added above this line */
FMODIFIER_NUM_TYPES
} eFModifier_Types;
/* F-Curve Modifier Settings */
typedef enum eFModifier_Flags {
/* modifier is not able to be evaluated for some reason, and should be skipped (internal) */
FMODIFIER_FLAG_DISABLED = (1<<0),
/* modifier's data is expanded (in UI) */
FMODIFIER_FLAG_EXPANDED = (1<<1),
/* modifier is active one (in UI) for editing purposes */
FMODIFIER_FLAG_ACTIVE = (1<<2),
/* user wants modifier to be skipped */
FMODIFIER_FLAG_MUTED = (1<<3)
} eFModifier_Flags;
/* --- */
/* Generator modifier data */
typedef struct FMod_Generator {
/* general generator information */
float *coefficients; /* coefficients array */
unsigned int arraysize; /* size of the coefficients array */
int poly_order; /* order of polynomial generated (i.e. 1 for linear, 2 for quadratic) */
int mode; /* which 'generator' to use eFMod_Generator_Modes */
/* settings */
int flag; /* settings */
} FMod_Generator;
/* generator modes */
typedef enum eFMod_Generator_Modes {
FCM_GENERATOR_POLYNOMIAL = 0,
FCM_GENERATOR_POLYNOMIAL_FACTORISED
} eFMod_Generator_Modes;
/* generator flags
* - shared by Generator and Function Generator
*/
typedef enum eFMod_Generator_Flags {
/* generator works in conjunction with other modifiers (i.e. doesn't replace those before it) */
FCM_GENERATOR_ADDITIVE = (1<<0)
} eFMod_Generator_Flags;
/* 'Built-In Function' Generator modifier data
*
* This uses the general equation for equations:
* y = amplitude * fn(phase_multiplier*x + phase_offset) + y_offset
*
* where amplitude, phase_multiplier/offset, y_offset are user-defined coefficients,
* x is the evaluation 'time', and 'y' is the resultant value
*/
typedef struct FMod_FunctionGenerator {
/* coefficients for general equation (as above) */
float amplitude;
float phase_multiplier;
float phase_offset;
float value_offset;
/* flags */
int type; /* eFMod_Generator_Functions */
int flag; /* eFMod_Generator_flags */
} FMod_FunctionGenerator;
/* 'function' generator types */
typedef enum eFMod_Generator_Functions {
FCM_GENERATOR_FN_SIN = 0,
FCM_GENERATOR_FN_COS,
FCM_GENERATOR_FN_TAN,
FCM_GENERATOR_FN_SQRT,
FCM_GENERATOR_FN_LN,
FCM_GENERATOR_FN_SINC
} eFMod_Generator_Functions;
/* envelope modifier - envelope data */
typedef struct FCM_EnvelopeData {
float min, max; /* min/max values for envelope at this point (absolute values) */
float time; /* time for that this sample-point occurs */
short f1; /* settings for 'min' control point */
short f2; /* settings for 'max' control point */
} FCM_EnvelopeData;
/* envelope-like adjustment to values (for fade in/out) */
typedef struct FMod_Envelope {
FCM_EnvelopeData *data; /* data-points defining envelope to apply (array) */
int totvert; /* number of envelope points */
float midval; /* value that envelope's influence is centered around / based on */
float min, max; /* distances from 'middle-value' for 1:1 envelope influence */
} FMod_Envelope;
/* cycling/repetition modifier data */
// TODO: we can only do complete cycles...
typedef struct FMod_Cycles {
short before_mode; /* extrapolation mode to use before first keyframe */
short after_mode; /* extrapolation mode to use after last keyframe */
short before_cycles; /* number of 'cycles' before first keyframe to do */
short after_cycles; /* number of 'cycles' after last keyframe to do */
} FMod_Cycles;
/* cycling modes */
typedef enum eFMod_Cycling_Modes {
FCM_EXTRAPOLATE_NONE = 0, /* don't do anything */
FCM_EXTRAPOLATE_CYCLIC, /* repeat keyframe range as-is */
FCM_EXTRAPOLATE_CYCLIC_OFFSET, /* repeat keyframe range, but with offset based on gradient between values */
FCM_EXTRAPOLATE_MIRROR /* alternate between forward and reverse playback of keyframe range */
} eFMod_Cycling_Modes;
/* Python-script modifier data */
typedef struct FMod_Python {
struct Text *script; /* text buffer containing script to execute */
IDProperty *prop; /* ID-properties to provide 'custom' settings */
} FMod_Python;
/* limits modifier data */
typedef struct FMod_Limits {
rctf rect; /* rect defining the min/max values */
int flag; /* settings for limiting */
int pad;
} FMod_Limits;
/* limiting flags */
typedef enum eFMod_Limit_Flags {
FCM_LIMIT_XMIN = (1<<0),
FCM_LIMIT_XMAX = (1<<1),
FCM_LIMIT_YMIN = (1<<2),
FCM_LIMIT_YMAX = (1<<3)
} eFMod_Limit_Flags;
/* noise modifier data */
typedef struct FMod_Noise {
float size;
float strength;
float phase;
float pad;
short depth;
short modification;
} FMod_Noise;
/* modification modes */
typedef enum eFMod_Noise_Modifications {
FCM_NOISE_MODIF_REPLACE = 0, /* Modify existing curve, matching it's shape */
FCM_NOISE_MODIF_ADD, /* Add noise to the curve */
FCM_NOISE_MODIF_SUBTRACT, /* Subtract noise from the curve */
FCM_NOISE_MODIF_MULTIPLY /* Multiply the curve by noise */
} eFMod_Noise_Modifications;
/* stepped modifier data */
typedef struct FMod_Stepped {
float step_size; /* Number of frames each interpolated value should be held */
float offset; /* Reference frame number that stepping starts from */
float start_frame; /* start frame of the frame range that modifier works in */
float end_frame; /* end frame of the frame range that modifier works in */
int flag; /* various settings */
} FMod_Stepped;
/* stepped modifier range flags */
typedef enum eFMod_Stepped_Flags {
FCM_STEPPED_NO_BEFORE = (1<<0), /* don't affect frames before the start frame */
FCM_STEPPED_NO_AFTER = (1<<1), /* don't affect frames after the end frame */
} eFMod_Stepped_Flags;
/* Drivers -------------------------------------- */
/* Driver Target (dtar)
*
* Defines how to access a dependency needed for a driver variable.
*/
typedef struct DriverTarget {
ID *id; /* ID-block which owns the target */
char *rna_path; /* RNA path defining the setting to use (for DVAR_TYPE_SINGLE_PROP) */
char pchan_name[32]; /* name of the posebone to use (for vars where DTAR_FLAG_STRUCT_REF is used) */
short transChan; /* transform channel index (for DVAR_TYPE_TRANSFORM_CHAN)*/
short flag; /* flags for the validity of the target (NOTE: these get reset everytime the types change) */
int idtype; /* type of ID-block that this target can use */
} DriverTarget;
/* Driver Target flags */
typedef enum eDriverTarget_Flag {
/* used for targets that use the pchan_name instead of RNA path
* (i.e. rotation difference)
*/
DTAR_FLAG_STRUCT_REF = (1<<0),
/* idtype can only be 'Object' */
DTAR_FLAG_ID_OB_ONLY = (1<<1),
/* toggles localspace (where transforms are manually obtained) */
DTAR_FLAG_LOCALSPACE = (1<<2),
} eDriverTarget_Flag;
/* Transform Channels for Driver Targets */
typedef enum eDriverTarget_TransformChannels {
DTAR_TRANSCHAN_LOCX = 0,
DTAR_TRANSCHAN_LOCY,
DTAR_TRANSCHAN_LOCZ,
DTAR_TRANSCHAN_ROTX,
DTAR_TRANSCHAN_ROTY,
DTAR_TRANSCHAN_ROTZ,
DTAR_TRANSCHAN_SCALEX,
DTAR_TRANSCHAN_SCALEY,
DTAR_TRANSCHAN_SCALEZ,
MAX_DTAR_TRANSCHAN_TYPES
} eDriverTarget_TransformChannels;
/* --- */
/* maximum number of driver targets per variable */
#define MAX_DRIVER_TARGETS 8
/* Driver Variable (dvar)
*
* A 'variable' for use as an input for the driver evaluation.
* Defines a way of accessing some channel to use, that can be
* referred to in the expression as a variable, thus simplifying
* expressions and also Depsgraph building.
*/
typedef struct DriverVar {
struct DriverVar *next, *prev;
char name[64]; /* name of the variable to use in py-expression (must be valid python identifier) */
DriverTarget targets[8]; /* MAX_DRIVER_TARGETS, target slots */
short num_targets; /* number of targets actually used by this variable */
short type; /* type of driver target (eDriverTarget_Types) */
float curval; /* result of previous evaluation */
} DriverVar;
/* Driver Variable Types */
typedef enum eDriverVar_Types {
/* single RNA property */
DVAR_TYPE_SINGLE_PROP = 0,
/* rotation difference (between 2 bones) */
DVAR_TYPE_ROT_DIFF,
/* distance between objects/bones */
DVAR_TYPE_LOC_DIFF,
/* 'final' transform for object/bones */
DVAR_TYPE_TRANSFORM_CHAN,
/* maximum number of variable types
* NOTE: this must always be th last item in this list,
* so add new types above this line
*/
MAX_DVAR_TYPES
} eDriverVar_Types;
/* --- */
/* Channel Driver (i.e. Drivers / Expressions) (driver)
*
* Channel Drivers are part of the dependency system, and are executed in addition to
* normal user-defined animation. They take the animation result of some channel(s), and
* use that (optionally combined with its own F-Curve for modification of results) to define
* the value of some setting semi-procedurally.
*
* Drivers are stored as part of F-Curve data, so that the F-Curve's RNA-path settings (for storing
* what setting the driver will affect). The order in which they are stored defines the order that they're
* evaluated in. This order is set by the Depsgraph's sorting stuff.
*/
typedef struct ChannelDriver {
ListBase variables; /* targets for this driver (i.e. list of DriverVar) */
/* python expression to execute (may call functions defined in an accessory file)
* which relates the target 'variables' in some way to yield a single usable value
*/
char expression[256]; /* expression to compile for evaluation */
void *expr_comp; /* PyObject - compiled expression, dont save this */
float curval; /* result of previous evaluation */
float influence; /* influence of driver on result */ // XXX to be implemented... this is like the constraint influence setting
/* general settings */
int type; /* type of driver */
int flag; /* settings of driver */
} ChannelDriver;
/* driver type */
typedef enum eDriver_Types {
/* target values are averaged together */
DRIVER_TYPE_AVERAGE = 0,
/* python expression/function relates targets */
DRIVER_TYPE_PYTHON,
/* sum of all values */
DRIVER_TYPE_SUM,
/* smallest value */
DRIVER_TYPE_MIN,
/* largest value */
DRIVER_TYPE_MAX
} eDriver_Types;
/* driver flags */
typedef enum eDriver_Flags {
/* driver has invalid settings (internal flag) */
DRIVER_FLAG_INVALID = (1<<0),
/* driver needs recalculation (set by depsgraph) */
DRIVER_FLAG_RECALC = (1<<1),
/* driver does replace value, but overrides (for layering of animation over driver) */
// TODO: this needs to be implemented at some stage or left out...
//DRIVER_FLAG_LAYERING = (1<<2),
/* use when the expression needs to be recompiled */
DRIVER_FLAG_RECOMPILE = (1<<3),
/* the names are cached so they dont need have python unicode versions created each time */
DRIVER_FLAG_RENAMEVAR = (1<<4),
/* intermediate values of driver should be shown in the UI for debugging purposes */
DRIVER_FLAG_SHOWDEBUG = (1<<5)
} eDriver_Flags;
/* F-Curves -------------------------------------- */
/* FPoint (fpt)
*
* This is the bare-minimum data required storing motion samples. Should be more efficient
* than using BPoints, which contain a lot of other unnecessary data...
*/
typedef struct FPoint {
float vec[2]; /* time + value */
int flag; /* selection info */
int pad;
} FPoint;
/* 'Function-Curve' - defines values over time for a given setting (fcu) */
typedef struct FCurve {
struct FCurve *next, *prev;
/* group */
bActionGroup *grp; /* group that F-Curve belongs to */
/* driver settings */
ChannelDriver *driver; /* only valid for drivers (i.e. stored in AnimData not Actions) */
/* evaluation settings */
ListBase modifiers; /* FCurve Modifiers */
/* motion data */
BezTriple *bezt; /* user-editable keyframes (array) */
FPoint *fpt; /* 'baked/imported' motion samples (array) */
unsigned int totvert; /* total number of points which define the curve (i.e. size of arrays in FPoints) */
/* value cache + settings */
float curval; /* value stored from last time curve was evaluated */
short flag; /* user-editable settings for this curve */
short extend; /* value-extending mode for this curve (does not cover */
/* RNA - data link */
int array_index; /* if applicable, the index of the RNA-array item to get */
char *rna_path; /* RNA-path to resolve data-access */
/* curve coloring (for editor) */
int color_mode; /* coloring method to use (eFCurve_Coloring) */
float color[3]; /* the last-color this curve took */
} FCurve;
/* user-editable flags/settings */
typedef enum eFCurve_Flags {
/* curve/keyframes are visible in editor */
FCURVE_VISIBLE = (1<<0),
/* curve is selected for editing */
FCURVE_SELECTED = (1<<1),
/* curve is active one */
FCURVE_ACTIVE = (1<<2),
/* keyframes (beztriples) cannot be edited */
FCURVE_PROTECTED = (1<<3),
/* fcurve will not be evaluated for the next round */
FCURVE_MUTED = (1<<4),
/* fcurve uses 'auto-handles', which stay horizontal... */
FCURVE_AUTO_HANDLES = (1<<5),
/* skip evaluation, as RNA-path cannot be resolved (similar to muting, but cannot be set by user) */
FCURVE_DISABLED = (1<<10),
/* curve can only have whole-number values (integer types) */
FCURVE_INT_VALUES = (1<<11),
/* curve can only have certain discrete-number values (no interpolation at all, for enums/booleans) */
FCURVE_DISCRETE_VALUES = (1<<12),
/* temporary tag for editing */
FCURVE_TAGGED = (1<<15)
} eFCurve_Flags;
/* extrapolation modes (only simple value 'extending') */
typedef enum eFCurve_Extend {
FCURVE_EXTRAPOLATE_CONSTANT = 0, /* just extend min/max keyframe value */
FCURVE_EXTRAPOLATE_LINEAR /* just extend gradient of segment between first segment keyframes */
} eFCurve_Extend;
/* curve coloring modes */
typedef enum eFCurve_Coloring {
FCURVE_COLOR_AUTO_RAINBOW = 0, /* automatically determine color using rainbow (calculated at drawtime) */
FCURVE_COLOR_AUTO_RGB, /* automatically determine color using XYZ (array index) <-> RGB */
FCURVE_COLOR_CUSTOM /* custom color */
} eFCurve_Coloring;
/* ************************************************ */
/* 'Action' Datatypes */
/* NOTE: Although these are part of the Animation System,
* they are not stored here... see DNA_action_types.h instead
*/
/* ************************************************ */
/* Animation Reuse - i.e. users of Actions */
/* Retargetting ----------------------------------- */
/* Retargetting Pair
*
* Defines what parts of the paths should be remapped from 'abc' to 'xyz'.
* TODO:
* - Regrex (possibly provided through PY, though having our own module might be faster)
* would be important to have at some point. Current replacements are just simple
* string matches...
*/
typedef struct AnimMapPair {
char from[128]; /* part of path to bed replaced */
char to[128]; /* part of path to replace with */
} AnimMapPair;
/* Retargetting Information for Actions
*
* This should only be used if it is strictly necessary (i.e. user will need to explictly
* add this when they find that some channels do not match, or motion is not going to right
* places). When executing an action, this will be checked to see if it provides any useful
* remaps for the given paths.
*
* NOTE: we currently don't store this in the Action itself, as that causes too many problems.
*/
// FIXME: will this be too clumsy or slow? If we're using RNA paths anyway, we'll have to accept
// such consequences...
typedef struct AnimMapper {
struct AnimMapper *next, *prev;
bAction *target; /* target action */
ListBase mappings; /* remapping table (bAnimMapPair) */
} AnimMapper;
/* ************************************************ */
/* NLA - Non-Linear Animation */
/* NLA Strips ------------------------------------- */
/* NLA Strip (strip)
*
* A NLA Strip is a container for the reuse of Action data, defining parameters
* to control the remapping of the Action data to some destination.
*/
typedef struct NlaStrip {
struct NlaStrip *next, *prev;
ListBase strips; /* 'Child' strips (used for 'meta' strips) */
bAction *act; /* Action that is referenced by this strip (strip is 'user' of the action) */
AnimMapper *remap; /* Remapping info this strip (for tweaking correspondance of action with context) */
ListBase fcurves; /* F-Curves for controlling this strip's influence and timing */ // TODO: move out?
ListBase modifiers; /* F-Curve modifiers to be applied to the entire strip's referenced F-Curves */
char name[64]; /* User-Visible Identifier for Strip */
float influence; /* Influence of strip */
float strip_time; /* Current 'time' within action being used (automatically evaluated, but can be overridden) */
float start, end; /* extents of the strip */
float actstart, actend; /* range of the action to use */
float repeat; /* The number of times to repeat the action range (only when no F-Curves) */
float scale; /* The amount the action range is scaled by (only when no F-Curves) */
float blendin, blendout; /* strip blending length (only used when there are no F-Curves) */
short blendmode; /* strip blending mode (layer-based mixing) */
short extendmode; /* strip extrapolation mode (time-based mixing) */
short pad1;
short type; /* type of NLA strip */
int flag; /* settings */
int pad2;
} NlaStrip;
/* NLA Strip Blending Mode */
typedef enum eNlaStrip_Blend_Mode {
NLASTRIP_MODE_REPLACE = 0,
NLASTRIP_MODE_ADD,
NLASTRIP_MODE_SUBTRACT,
NLASTRIP_MODE_MULTIPLY
} eNlaStrip_Blend_Mode;
/* NLA Strip Extrpolation Mode */
typedef enum eNlaStrip_Extrapolate_Mode {
/* extend before first frame if no previous strips in track, and always hold+extend last frame */
NLASTRIP_EXTEND_HOLD = 0,
/* only hold+extend last frame */
NLASTRIP_EXTEND_HOLD_FORWARD,
/* don't contribute at all */
NLASTRIP_EXTEND_NOTHING
} eNlaStrip_Extrapolate_Mode;
/* NLA Strip Settings */
typedef enum eNlaStrip_Flag {
/* UI selection flags */
/* NLA strip is the active one in the track (also indicates if strip is being tweaked) */
NLASTRIP_FLAG_ACTIVE = (1<<0),
/* NLA strip is selected for editing */
NLASTRIP_FLAG_SELECT = (1<<1),
// NLASTRIP_FLAG_SELECT_L = (1<<2), // left handle selected
// NLASTRIP_FLAG_SELECT_R = (1<<3), // right handle selected
/* NLA strip uses the same action that the action being tweaked uses (not set for the twaking one though) */
NLASTRIP_FLAG_TWEAKUSER = (1<<4),
/* controls driven by local F-Curves */
/* strip influence is controlled by local F-Curve */
NLASTRIP_FLAG_USR_INFLUENCE = (1<<5),
NLASTRIP_FLAG_USR_TIME = (1<<6),
NLASTRIP_FLAG_USR_TIME_CYCLIC = (1<<7),
/* NLA strip length is synced to the length of the referenced action */
NLASTRIP_FLAG_SYNC_LENGTH = (1<<9),
/* playback flags (may be overriden by F-Curves) */
/* NLA strip blendin/out values are set automatically based on overlaps */
NLASTRIP_FLAG_AUTO_BLENDS = (1<<10),
/* NLA strip is played back in reverse order */
NLASTRIP_FLAG_REVERSE = (1<<11),
/* NLA strip is muted (i.e. doesn't contribute in any way) */
NLASTRIP_FLAG_MUTED = (1<<12),
/* NLA Strip is played back in 'ping-pong' style */
NLASTRIP_FLAG_MIRROR = (1<<13),
/* temporary editing flags */
/* NLA-Strip is really just a temporary meta used to facilitate easier transform code */
NLASTRIP_FLAG_TEMP_META = (1<<30),
NLASTRIP_FLAG_EDIT_TOUCHED = (1<<31)
} eNlaStrip_Flag;
/* NLA Strip Type */
typedef enum eNlaStrip_Type {
/* 'clip' - references an Action */
NLASTRIP_TYPE_CLIP = 0,
/* 'transition' - blends between the adjacent strips */
NLASTRIP_TYPE_TRANSITION,
/* 'meta' - a strip which acts as a container for a few others */
NLASTRIP_TYPE_META
} eNlaStrip_Type;
/* NLA Tracks ------------------------------------- */
/* NLA Track (nlt)
*
* A track groups a bunch of 'strips', which should form a continous set of
* motion, on top of which other such groups can be layered. This should allow
* for animators to work in a non-destructive manner, layering tweaks, etc. over
* 'rough' blocks of their work.
*/
typedef struct NlaTrack {
struct NlaTrack *next, *prev;
ListBase strips; /* bActionStrips in this track */
int flag; /* settings for this track */
int index; /* index of the track in the stack (NOTE: not really useful, but we need a pad var anyways!) */
char name[64]; /* short user-description of this track */
} NlaTrack;
/* settings for track */
typedef enum eNlaTrack_Flag {
/* track is the one that settings can be modified on, also indicates if track is being 'tweaked' */
NLATRACK_ACTIVE = (1<<0),
/* track is selected in UI for relevant editing operations */
NLATRACK_SELECTED = (1<<1),
/* track is not evaluated */
NLATRACK_MUTED = (1<<2),
/* track is the only one evaluated (must be used in conjunction with adt->flag) */
NLATRACK_SOLO = (1<<3),
/* track's settings (and strips) cannot be edited (to guard against unwanted changes) */
NLATRACK_PROTECTED = (1<<4),
/* track is not allowed to execute, usually as result of tweaking being enabled (internal flag) */
NLATRACK_DISABLED = (1<<10)
} eNlaTrack_Flag;
/* ************************************ */
/* KeyingSet Datatypes */
/* Path for use in KeyingSet definitions (ksp)
*
* Paths may be either specific (specifying the exact sub-ID
* dynamic data-block - such as PoseChannels - to act upon, ala
* Maya's 'Character Sets' and XSI's 'Marking Sets'), or they may
* be generic (using various placeholder template tags that will be
* replaced with appropriate information from the context).
*/
typedef struct KS_Path {
struct KS_Path *next, *prev;
ID *id; /* ID block that keyframes are for */
char group[64]; /* name of the group to add to */
int idtype; /* ID-type that path can be used on */
short groupmode; /* group naming (eKSP_Grouping) */
short pad;
char *rna_path; /* dynamically (or statically in the case of predefined sets) path */
int array_index; /* index that path affects */
short flag; /* various settings, etc. */
short keyingflag; /* settings to supply insertkey() with */
} KS_Path;
/* KS_Path->flag */
typedef enum eKSP_Settings {
/* entire array (not just the specified index) gets keyframed */
KSP_FLAG_WHOLE_ARRAY = (1<<0)
} eKSP_Settings;
/* KS_Path->groupmode */
typedef enum eKSP_Grouping {
/* path should be grouped using group name stored in path */
KSP_GROUP_NAMED = 0,
/* path should not be grouped at all */
KSP_GROUP_NONE,
/* path should be grouped using KeyingSet's name */
KSP_GROUP_KSNAME,
/* path should be grouped using name of inner-most context item from templates
* - this is most useful for relative KeyingSets only
*/
KSP_GROUP_TEMPLATE_ITEM
} eKSP_Grouping;
/* KS_Path->templates (Template Flags)
*
* Templates in paths are used to substitute information from the
* active context into relavent places in the path strings. This
* enum here defines the flags which define which templates are
* required by a path before it can be used
*/
typedef enum eKSP_TemplateTypes {
KSP_TEMPLATE_OBJECT = (1<<0), /* #obj - selected object */
KSP_TEMPLATE_PCHAN = (1<<1), /* #pch - selected posechannel */
KSP_TEMPLATE_CONSTRAINT = (1<<2), /* #con - active only */
KSP_TEMPLATE_NODE = (1<<3), /* #nod - selected node */
KSP_TEMPLATE_MODIFIER = (1<<4), /* #mod - active only */
KSP_TEMPLATE_ROT = (1<<16) /* modify rotation paths based on rotation mode of Object or Pose Channel */
} eKSP_TemplateTypes;
/* ---------------- */
/* KeyingSet definition (ks)
*
* A KeyingSet defines a group of properties that should
* be keyframed together, providing a convenient way for animators
* to insert keyframes without resorting to Auto-Keyframing.
*
* A few 'generic' (non-absolute and dependant on templates) KeyingSets
* are defined 'built-in' to facilitate easy animating for the casual
* animator without the need to add extra steps to the rigging process.
*/
typedef struct KeyingSet {
struct KeyingSet *next, *prev;
ListBase paths; /* (KS_Path) paths to keyframe to */
char name[64]; /* user-viewable name for KeyingSet (for menus, etc.) */
char typeinfo[64]; /* name of the typeinfo data used for the relative paths */
short flag; /* settings for KeyingSet */
short keyingflag; /* settings to supply insertkey() with */
int active_path; /* index of the active path */
} KeyingSet;
/* KeyingSet settings */
typedef enum eKS_Settings {
/* keyingset cannot be removed (and doesn't need to be freed) */
KEYINGSET_BUILTIN = (1<<0),
/* keyingset does not depend on context info (i.e. paths are absolute) */
KEYINGSET_ABSOLUTE = (1<<1)
} eKS_Settings;
/* Flags for use by keyframe creation/deletion calls */
typedef enum eInsertKeyFlags {
INSERTKEY_NEEDED = (1<<0), /* only insert keyframes where they're needed */
INSERTKEY_MATRIX = (1<<1), /* insert 'visual' keyframes where possible/needed */
INSERTKEY_FAST = (1<<2), /* don't recalculate handles,etc. after adding key */
INSERTKEY_FASTR = (1<<3), /* don't realloc mem (or increase count, as array has already been set out) */
INSERTKEY_REPLACE = (1<<4), /* only replace an existing keyframe (this overrides INSERTKEY_NEEDED) */
INSERTKEY_XYZ2RGB = (1<<5) /* transform F-Curves should have XYZ->RGB color mode */
} eInsertKeyFlags;
/* ************************************************ */
/* Animation Data */
/* AnimOverride ------------------------------------- */
/* Animation Override (aor)
*
* This is used to as temporary storage of values which have been changed by the user, but not
* yet keyframed (thus, would get overwritten by the animation system before the user had a chance
* to see the changes that were made).
*
* It is probably not needed for overriding keyframed values in most cases, as those will only get evaluated
* on frame-change now. That situation may change in future.
*/
typedef struct AnimOverride {
struct AnimOverride *next, *prev;
char *rna_path; /* RNA-path to use to resolve data-access */
int array_index; /* if applicable, the index of the RNA-array item to get */
float value; /* value to override setting with */
} AnimOverride;
/* AnimData ------------------------------------- */
/* Animation data for some ID block (adt)
*
* This block of data is used to provide all of the necessary animation data for a datablock.
* Currently, this data will not be reusable, as there shouldn't be any need to do so.
*
* This information should be made available for most if not all ID-blocks, which should
* enable all of its settings to be animatable locally. Animation from 'higher-up' ID-AnimData
* blocks may override local settings.
*
* This datablock should be placed immediately after the ID block where it is used, so that
* the code which retrieves this data can do so in an easier manner. See blenkernel/intern/anim_sys.c for details.
*/
typedef struct AnimData {
/* active action - acts as the 'tweaking track' for the NLA */
bAction *action;
/* temp-storage for the 'real' active action (i.e. the one used before the tweaking-action
* took over to be edited in the Animation Editors)
*/
bAction *tmpact;
/* remapping-info for active action - should only be used if needed
* (for 'foreign' actions that aren't working correctly)
*/
AnimMapper *remap;
/* nla-tracks */
ListBase nla_tracks;
/* active NLA-strip (only set/used during tweaking, so no need to worry about dangling pointers) */
NlaStrip *actstrip;
/* 'drivers' for this ID-block's settings - FCurves, but are completely
* separate from those for animation data
*/
ListBase drivers; /* standard user-created Drivers/Expressions (used as part of a rig) */
ListBase overrides; /* temp storage (AnimOverride) of values for settings that are animated (but the value hasn't been keyframed) */
/* settings for animation evaluation */
int flag; /* user-defined settings */
int recalc; /* depsgraph recalculation flags */
/* settings for active action evaluation (based on NLA strip settings) */
short act_blendmode; /* accumulation mode for active action */
short act_extendmode; /* extrapolation mode for active action */
float act_influence; /* influence for active action */
} AnimData;
/* Animation Data settings (mostly for NLA) */
typedef enum eAnimData_Flag {
/* only evaluate a single track in the NLA */
ADT_NLA_SOLO_TRACK = (1<<0),
/* don't use NLA */
ADT_NLA_EVAL_OFF = (1<<1),
/* NLA is being 'tweaked' (i.e. in EditMode) */
ADT_NLA_EDIT_ON = (1<<2),
/* active Action for 'tweaking' does not have mapping applied for editing */
ADT_NLA_EDIT_NOMAP = (1<<3),
/* NLA-Strip F-Curves are expanded in UI */
ADT_NLA_SKEYS_COLLAPSED = (1<<4),
/* drivers expanded in UI */
ADT_DRIVERS_COLLAPSED = (1<<10),
/* don't execute drivers */
ADT_DRIVERS_DISABLED = (1<<11),
/* AnimData block is selected in UI */
ADT_UI_SELECTED = (1<<14),
/* AnimData block is active in UI */
ADT_UI_ACTIVE = (1<<15),
/* F-Curves from this AnimData block are not visible in the Graph Editor */
ADT_CURVES_NOT_VISIBLE = (1<<16)
} eAnimData_Flag;
/* Animation Data recalculation settings (to be set by depsgraph) */
typedef enum eAnimData_Recalc {
ADT_RECALC_DRIVERS = (1<<0),
ADT_RECALC_ANIM = (1<<1),
ADT_RECALC_ALL = (ADT_RECALC_DRIVERS|ADT_RECALC_ANIM)
} eAnimData_Recalc;
/* Base Struct for Anim ------------------------------------- */
/* Used for BKE_animdata_from_id()
* All ID-datablocks which have their own 'local' AnimData
* should have the same arrangement in their structs.
*/
typedef struct IdAdtTemplate {
ID id;
AnimData *adt;
} IdAdtTemplate;
/* ************************************************ */
#ifdef __cplusplus
};
#endif
#endif /* DNA_ANIM_TYPES_H */
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