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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) 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 TRANSFORM_H
#define TRANSFORM_H
#include "ED_transform.h"
#include "ED_numinput.h"
#include "DNA_listBase.h"
#include "BLI_editVert.h"
#include "BKE_tessmesh.h"
/* ************************** Types ***************************** */
struct TransInfo;
struct TransData;
struct TransformOrientation;
struct TransSnap;
struct NumInput;
struct Object;
struct View3D;
struct ScrArea;
struct Scene;
struct bPose;
struct bConstraint;
struct BezTriple;
struct wmOperatorType;
struct wmOperator;
struct wmWindowManager;
struct wmKeyMap;
struct wmKeyConfig;
struct bContext;
struct wmEvent;
struct wmTimer;
struct ARegion;
struct ReportList;
typedef struct NDofInput {
int flag;
int axis;
float fval[7];
float factor[3];
} NDofInput;
/*
The ctrl value has different meaning:
0 : No value has been typed
otherwise, |value| - 1 is where the cursor is located after the period
Positive : number is positive
Negative : number is negative
*/
typedef struct TransSnapPoint {
struct TransSnapPoint *next,*prev;
float co[3];
} TransSnapPoint;
typedef struct TransSnap {
short mode;
short target;
short modePoint;
short modeSelect;
short align;
short project;
short peel;
short status;
float snapPoint[3]; /* snapping from this point */
float snapTarget[3]; /* to this point */
float snapNormal[3];
float snapTangent[3];
ListBase points;
float dist; // Distance from snapPoint to snapTarget
double last;
void (*applySnap)(struct TransInfo *, float *);
void (*calcSnap)(struct TransInfo *, float *);
void (*targetSnap)(struct TransInfo *);
float (*distance)(struct TransInfo *, float p1[3], float p2[3]); // Get the transform distance between two points (used by Closest snap)
} TransSnap;
typedef struct TransCon {
short orientation; /**/
char text[50]; /* Description of the Constraint for header_print */
float mtx[3][3]; /* Matrix of the Constraint space */
float imtx[3][3]; /* Inverse Matrix of the Constraint space */
float pmtx[3][3]; /* Projection Constraint Matrix (same as imtx with some axis == 0) */
float center[3]; /* transformation center to define where to draw the view widget
ALWAYS in global space. Unlike the transformation center */
short imval[2]; /* initial mouse value for visual calculation */
/* the one in TransInfo is not garanty to stay the same (Rotates change it) */
int mode; /* Mode flags of the Constraint */
void (*drawExtra)(struct TransInfo *);
/* For constraints that needs to draw differently from the other
uses this instead of the generic draw function */
void (*applyVec)(struct TransInfo *, struct TransData *, float *, float *, float *);
/* Apply function pointer for linear vectorial transformation */
/* The last three parameters are pointers to the in/out/printable vectors */
void (*applySize)(struct TransInfo *, struct TransData *, float [3][3]);
/* Apply function pointer for size transformation */
void (*applyRot)(struct TransInfo *, struct TransData *, float [3], float *);
/* Apply function pointer for rotation transformation */
} TransCon;
typedef struct TransDataExtension {
float drot[3]; /* Initial object drot */
float drotAngle; /* Initial object drotAngle */
float drotAxis[3]; /* Initial object drotAxis */
float dquat[4]; /* Initial object dquat */
float dsize[3]; /* Initial object dsize */
float *rot; /* Rotation of the data to transform (Faculative) */
float irot[3]; /* Initial rotation */
float *quat; /* Rotation quaternion of the data to transform (Faculative) */
float iquat[4]; /* Initial rotation quaternion */
float *rotAngle; /* Rotation angle of the data to transform (Faculative) */
float irotAngle; /* Initial rotation angle */
float *rotAxis; /* Rotation axis of the data to transform (Faculative) */
float irotAxis[4]; /* Initial rotation axis */
float *size; /* Size of the data to transform (Faculative) */
float isize[3]; /* Initial size */
float obmat[4][4]; /* Object matrix */
} TransDataExtension;
typedef struct TransData2D {
float loc[3]; /* Location of data used to transform (x,y,0) */
float *loc2d; /* Pointer to real 2d location of data */
float *h1, *h2; /* Pointer to handle locations, if handles aren't being moved independantly*/
float ih1[2], ih2[2];
} TransData2D;
/* we need to store 2 handles for each transdata incase the other handle wasnt selected */
typedef struct TransDataCurveHandleFlags {
char ih1, ih2;
char *h1, *h2;
} TransDataCurveHandleFlags;
/* for sequencer transform */
typedef struct TransDataSeq {
struct Sequence *seq;
int flag; /* a copy of seq->flag that may be modified for nested strips */
short start_offset; /* use this so we can have transform data at the strips start, but apply correctly to the start frame */
short sel_flag; /* one of SELECT, SEQ_LEFTSEL and SEQ_RIGHTSEL */
} TransDataSeq;
/* for NLA transform (stored in td->extra pointer) */
typedef struct TransDataNla {
ID *id; /* ID-block NLA-data is attached to */
struct NlaTrack *oldTrack; /* Original NLA-Track that the strip belongs to */
struct NlaTrack *nlt; /* Current NLA-Track that the strip belongs to */
struct NlaStrip *strip; /* NLA-strip this data represents */
/* dummy values for transform to write in - must have 3 elements... */
float h1[3]; /* start handle */
float h2[3]; /* end handle */
int trackIndex; /* index of track that strip is currently in */
int handle; /* handle-index: 0 for dummy entry, -1 for start, 1 for end, 2 for both ends */
} TransDataNla;
struct LinkNode;
struct EditEdge;
struct EditVert;
struct GHash;
typedef struct TransDataSlideUv {
float origuv[2];
float *uv_up, *uv_down;
//float *fuv[4];
struct LinkNode *fuv_list;
} TransDataSlideUv;
typedef struct TransDataSlideVert {
struct BMVert vup, vdown;
struct BMVert origvert;
struct BMVert *up, *down;
struct BMVert *v;
float upvec[3], downvec[3];
} TransDataSlideVert;
typedef struct SlideData {
TransDataSlideVert *sv;
int totsv;
/*
TransDataSlideUv *slideuv, *suv_last;
int totuv, uvlay_tot;
struct GHash *vhash, **uvhash;
struct EditVert *nearest;
struct LinkNode *edgelist, *vertlist;
*/
short start[2], end[2];
} SlideData;
typedef struct TransData {
float dist; /* Distance needed to affect element (for Proportionnal Editing) */
float rdist; /* Distance to the nearest element (for Proportionnal Editing) */
float factor; /* Factor of the transformation (for Proportionnal Editing) */
float *loc; /* Location of the data to transform */
float iloc[3]; /* Initial location */
float *val; /* Value pointer for special transforms */
float ival; /* Old value*/
float center[3]; /* Individual data center */
float mtx[3][3]; /* Transformation matrix from data space to global space */
float smtx[3][3]; /* Transformation matrix from global space to data space */
float axismtx[3][3];/* Axis orientation matrix of the data */
struct Object *ob;
struct bConstraint *con; /* for objects/bones, the first constraint in its constraint stack */
TransDataExtension *ext; /* for objects, poses. 1 single malloc per TransInfo! */
TransDataCurveHandleFlags *hdata; /* for curves, stores handle flags for modification/cancel */
void *extra; /* extra data (mirrored element pointer, in editmode mesh to EditVert) (editbone for roll fixing) (...) */
int flag; /* Various flags */
short protectflag; /* If set, copy of Object or PoseChannel protection */
int rotOrder; /* rotation mode, as defined in eRotationModes (DNA_action_types.h) */
} TransData;
typedef struct MouseInput {
void (*apply)(struct TransInfo *, struct MouseInput *, short [2], float [3]);
void (*post)(struct TransInfo *, float [3]);
short imval[2]; /* initial mouse position */
char precision;
short precision_mval[2]; /* mouse position when precision key was pressed */
int center[2];
float factor;
void *data; /* additional data, if needed by the particular function */
} MouseInput;
typedef struct TransInfo {
int mode; /* current mode */
int flag; /* generic flags for special behaviors */
int modifiers; /* special modifiers, by function, not key */
short state; /* current state (running, canceled,...)*/
int options; /* current context/options for transform */
float val; /* init value for some transformations (and rotation angle) */
float fac; /* factor for distance based transform */
int (*transform)(struct TransInfo *, short *);
/* transform function pointer */
int (*handleEvent)(struct TransInfo *, struct wmEvent *);
/* event handler function pointer RETURN 1 if redraw is needed */
int total; /* total number of transformed data */
TransData *data; /* transformed data (array) */
TransDataExtension *ext; /* transformed data extension (array) */
TransData2D *data2d; /* transformed data for 2d (array) */
TransCon con; /* transformed constraint */
TransSnap tsnap;
NumInput num; /* numerical input */
NDofInput ndof; /* ndof input */
MouseInput mouse; /* mouse input */
char redraw; /* redraw flag */
float prop_size; /* proportional circle radius */
char proptext[20]; /* proportional falloff text */
float center[3]; /* center of transformation */
int center2d[2]; /* center in screen coordinates */
short imval[2]; /* initial mouse position */
short event_type; /* event->type used to invoke transform */
short idx_max; /* maximum index on the input vector */
float snap[3]; /* Snapping Gears */
char frame_side; /* Mouse side of the cfra, 'L', 'R' or 'B' */
float viewmat[4][4]; /* copy from G.vd, prevents feedback, */
float viewinv[4][4]; /* and to make sure we don't have to */
float persmat[4][4]; /* access G.vd from other space types */
float persinv[4][4];
short persp;
short around;
char spacetype; /* spacetype where transforming is */
char helpline; /* helpline modes (not to be confused with hotline) */
float vec[3]; /* translation, to show for widget */
float mat[3][3]; /* rot/rescale, to show for widget */
char *undostr; /* if set, uses this string for undo */
float spacemtx[3][3]; /* orientation matrix of the current space */
char spacename[32]; /* name of the current space */
struct Object *poseobj; /* if t->flag & T_POSE, this denotes pose object */
void *customData; /* Per Transform custom data */
void (*customFree)(struct TransInfo *); /* if a special free function is needed */
/*************** NEW STUFF *********************/
short launch_event; /* event type used to launch transform */
short current_orientation;
short twtype; /* backup from view3d, to restore on end */
short prop_mode;
short mirror;
float values[4];
float auto_values[4];
float axis[3];
void *view;
struct ScrArea *sa;
struct ARegion *ar;
struct Scene *scene;
struct ToolSettings *settings;
struct wmTimer *animtimer;
short mval[2]; /* current mouse position */
struct Object *obedit;
void *draw_handle_apply;
void *draw_handle_view;
void *draw_handle_pixel;
void *draw_handle_cursor;
} TransInfo;
/* ******************** Macros & Prototypes *********************** */
/* NDOFINPUT FLAGS */
#define NDOF_INIT 1
/* transinfo->state */
#define TRANS_STARTING 0
#define TRANS_RUNNING 1
#define TRANS_CONFIRM 2
#define TRANS_CANCEL 3
/* transinfo->redraw */
#define TREDRAW_NOTHING 0
#define TREDRAW_HARD 1
#define TREDRAW_SOFT 2
/* transinfo->flag */
#define T_OBJECT (1 << 0)
#define T_EDIT (1 << 1)
#define T_POSE (1 << 2)
#define T_TEXTURE (1 << 3)
#define T_CAMERA (1 << 4)
// trans on points, having no rotation/scale
#define T_POINTS (1 << 6)
// for manipulator exceptions, like scaling using center point, drawing help lines
#define T_USES_MANIPULATOR (1 << 7)
/* restrictions flags */
#define T_ALL_RESTRICTIONS ((1 << 8)|(1 << 9)|(1 << 10))
#define T_NO_CONSTRAINT (1 << 8)
#define T_NULL_ONE (1 << 9)
#define T_NO_ZERO (1 << 10)
#define T_PROP_EDIT (1 << 11)
#define T_PROP_CONNECTED (1 << 12)
#define T_V3D_ALIGN (1 << 14)
/* for 2d views like uv or ipo */
#define T_2D_EDIT (1 << 15)
#define T_CLIP_UV (1 << 16)
#define T_FREE_CUSTOMDATA (1 << 17)
/* auto-ik is on */
#define T_AUTOIK (1 << 18)
#define T_MIRROR (1 << 19)
#define T_AUTOVALUES (1 << 20)
/* to specificy if we save back settings at the end */
#define T_MODAL (1 << 21)
/* no retopo */
#define T_NO_PROJECT (1 << 22)
#define T_RELEASE_CONFIRM (1 << 23)
/* TransInfo->modifiers */
#define MOD_CONSTRAINT_SELECT 0x01
#define MOD_PRECISION 0x02
#define MOD_SNAP 0x04
#define MOD_SNAP_INVERT 0x08
#define MOD_CONSTRAINT_PLANE 0x10
/* ******************************************************************************** */
/* transinfo->helpline */
#define HLP_NONE 0
#define HLP_SPRING 1
#define HLP_ANGLE 2
#define HLP_HARROW 3
#define HLP_VARROW 4
#define HLP_TRACKBALL 5
/* transinfo->con->mode */
#define CON_APPLY 1
#define CON_AXIS0 2
#define CON_AXIS1 4
#define CON_AXIS2 8
#define CON_SELECT 16
#define CON_NOFLIP 32 /* does not reorient vector to face viewport when on */
#define CON_USER 64
/* transdata->flag */
#define TD_SELECTED 1
#define TD_ACTIVE (1 << 1)
#define TD_NOACTION (1 << 2)
#define TD_USEQUAT (1 << 3)
#define TD_NOTCONNECTED (1 << 4)
#define TD_SINGLESIZE (1 << 5) /* used for scaling of MetaElem->rad */
#define TD_TIMEONLY (1 << 8)
#define TD_NOCENTER (1 << 9)
#define TD_NO_EXT (1 << 10) /* ext abused for particle key timing */
#define TD_SKIP (1 << 11) /* don't transform this data */
#define TD_BEZTRIPLE (1 << 12) /* if this is a bez triple, we need to restore the handles, if this is set transdata->misc.hdata needs freeing */
#define TD_NO_LOC (1 << 13) /* when this is set, don't apply translation changes to this element */
#define TD_NOTIMESNAP (1 << 14) /* for Graph Editor autosnap, indicates that point should not undergo autosnapping */
#define TD_INTVALUES (1 << 15) /* for Graph Editor - curves that can only have int-values need their keyframes tagged with this */
#define TD_MIRROR_EDGE (1 << 16) /* For editmode mirror, clamp to x = 0 */
#define TD_MOVEHANDLE1 (1 << 17) /* For fcurve handles, move them along with their keyframes */
#define TD_MOVEHANDLE2 (1 << 18)
/* transsnap->status */
#define SNAP_FORCED 1
#define TARGET_INIT 2
#define POINT_INIT 4
#define MULTI_POINTS 8
void TRANSFORM_OT_transform(struct wmOperatorType *ot);
int initTransform(struct bContext *C, struct TransInfo *t, struct wmOperator *op, struct wmEvent *event, int mode);
void saveTransform(struct bContext *C, struct TransInfo *t, struct wmOperator *op);
int transformEvent(TransInfo *t, struct wmEvent *event);
void transformApply(const struct bContext *C, TransInfo *t);
int transformEnd(struct bContext *C, TransInfo *t);
void setTransformViewMatrices(TransInfo *t);
void convertViewVec(TransInfo *t, float *vec, short dx, short dy);
void projectIntView(TransInfo *t, float *vec, int *adr);
void projectFloatView(TransInfo *t, float *vec, float *adr);
void applyAspectRatio(TransInfo *t, float *vec);
void removeAspectRatio(TransInfo *t, float *vec);
void initWarp(TransInfo *t);
int handleEventWarp(TransInfo *t, struct wmEvent *event);
int Warp(TransInfo *t, short mval[2]);
void initShear(TransInfo *t);
int handleEventShear(TransInfo *t, struct wmEvent *event);
int Shear(TransInfo *t, short mval[2]);
void initResize(TransInfo *t);
int Resize(TransInfo *t, short mval[2]);
void initTranslation(TransInfo *t);
int Translation(TransInfo *t, short mval[2]);
void initToSphere(TransInfo *t);
int ToSphere(TransInfo *t, short mval[2]);
void initRotation(TransInfo *t);
int Rotation(TransInfo *t, short mval[2]);
void initShrinkFatten(TransInfo *t);
int ShrinkFatten(TransInfo *t, short mval[2]);
void initTilt(TransInfo *t);
int Tilt(TransInfo *t, short mval[2]);
void initCurveShrinkFatten(TransInfo *t);
int CurveShrinkFatten(TransInfo *t, short mval[2]);
void initTrackball(TransInfo *t);
int Trackball(TransInfo *t, short mval[2]);
void initPushPull(TransInfo *t);
int PushPull(TransInfo *t, short mval[2]);
void initBevel(TransInfo *t);
int handleEventBevel(TransInfo *t, struct wmEvent *event);
int Bevel(TransInfo *t, short mval[2]);
void initBevelWeight(TransInfo *t);
int BevelWeight(TransInfo *t, short mval[2]);
void initCrease(TransInfo *t);
int Crease(TransInfo *t, short mval[2]);
void initBoneSize(TransInfo *t);
int BoneSize(TransInfo *t, short mval[2]);
void initBoneEnvelope(TransInfo *t);
int BoneEnvelope(TransInfo *t, short mval[2]);
void initBoneRoll(TransInfo *t);
int BoneRoll(TransInfo *t, short mval[2]);
void initEdgeSlide(TransInfo *t);
int EdgeSlide(TransInfo *t, short mval[2]);
void initTimeTranslate(TransInfo *t);
int TimeTranslate(TransInfo *t, short mval[2]);
void initTimeSlide(TransInfo *t);
int TimeSlide(TransInfo *t, short mval[2]);
void initTimeScale(TransInfo *t);
int TimeScale(TransInfo *t, short mval[2]);
void initBakeTime(TransInfo *t);
int BakeTime(TransInfo *t, short mval[2]);
void initMirror(TransInfo *t);
int Mirror(TransInfo *t, short mval[2]);
void initAlign(TransInfo *t);
int Align(TransInfo *t, short mval[2]);
void initSeqSlide(TransInfo *t);
int SeqSlide(TransInfo *t, short mval[2]);
void drawPropCircle(const struct bContext *C, TransInfo *t);
struct wmKeyMap *transform_modal_keymap(struct wmKeyConfig *keyconf);
/*********************** transform_conversions.c ********** */
struct ListBase;
void flushTransGPactionData(TransInfo *t);
void flushTransGraphData(TransInfo *t);
void remake_graph_transdata(TransInfo *t, struct ListBase *anim_data);
void flushTransUVs(TransInfo *t);
void flushTransParticles(TransInfo *t);
int clipUVTransform(TransInfo *t, float *vec, int resize);
void flushTransNodes(TransInfo *t);
void flushTransSeq(TransInfo *t);
/*********************** exported from transform_manipulator.c ********** */
int gimbal_axis(struct Object *ob, float gmat[][3]); /* return 0 when no gimbal for selection */
int calc_manipulator_stats(const struct bContext *C);
float get_drawsize(struct ARegion *ar, float *co);
/*********************** TransData Creation and General Handling *********** */
void createTransData(struct bContext *C, TransInfo *t);
void sort_trans_data_dist(TransInfo *t);
void add_tdi_poin(float *poin, float *old, float delta);
void special_aftertrans_update(struct bContext *C, TransInfo *t);
void transform_autoik_update(TransInfo *t, short mode);
int count_set_pose_transflags(int *out_mode, short around, struct Object *ob);
/* auto-keying stuff used by special_aftertrans_update */
void autokeyframe_ob_cb_func(struct bContext *C, struct Scene *scene, struct View3D *v3d, struct Object *ob, int tmode);
void autokeyframe_pose_cb_func(struct bContext *C, struct Scene *scene, struct View3D *v3d, struct Object *ob, int tmode, short targetless_ik);
/*********************** Constraints *****************************/
void drawConstraint(const struct bContext *C, TransInfo *t);
void getConstraintMatrix(TransInfo *t);
void setConstraint(TransInfo *t, float space[3][3], int mode, const char text[]);
void setLocalConstraint(TransInfo *t, int mode, const char text[]);
void setUserConstraint(TransInfo *t, short orientation, int mode, const char text[]);
void constraintNumInput(TransInfo *t, float vec[3]);
void getConstraintMatrix(TransInfo *t);
int isLockConstraint(TransInfo *t);
int getConstraintSpaceDimension(TransInfo *t);
char constraintModeToChar(TransInfo *t);
void startConstraint(TransInfo *t);
void stopConstraint(TransInfo *t);
void initSelectConstraint(TransInfo *t, float mtx[3][3]);
void selectConstraint(TransInfo *t);
void postSelectConstraint(TransInfo *t);
void setNearestAxis(TransInfo *t);
/*********************** Snapping ********************************/
typedef enum {
NO_GEARS = 0,
BIG_GEARS = 1,
SMALL_GEARS = 2
} GearsType;
void snapGrid(TransInfo *t, float *val);
void snapGridAction(TransInfo *t, float *val, GearsType action);
int activeSnap(TransInfo *t);
int validSnap(TransInfo *t);
void initSnapping(struct TransInfo *t, struct wmOperator *op);
void applyProject(TransInfo *t);
void applySnapping(TransInfo *t, float *vec);
void resetSnapping(TransInfo *t);
int handleSnapping(TransInfo *t, struct wmEvent *event);
void drawSnapping(const struct bContext *C, TransInfo *t);
int usingSnappingNormal(TransInfo *t);
int validSnappingNormal(TransInfo *t);
void getSnapPoint(TransInfo *t, float vec[3]);
void addSnapPoint(TransInfo *t);
void removeSnapPoint(TransInfo *t);
/********************** Mouse Input ******************************/
typedef enum {
INPUT_NONE,
INPUT_VECTOR,
INPUT_SPRING,
INPUT_SPRING_FLIP,
INPUT_ANGLE,
INPUT_TRACKBALL,
INPUT_HORIZONTAL_RATIO,
INPUT_HORIZONTAL_ABSOLUTE,
INPUT_VERTICAL_RATIO,
INPUT_VERTICAL_ABSOLUTE,
INPUT_CUSTOM_RATIO
} MouseInputMode;
void initMouseInput(TransInfo *t, MouseInput *mi, int center[2], short mval[2]);
void initMouseInputMode(TransInfo *t, MouseInput *mi, MouseInputMode mode);
int handleMouseInput(struct TransInfo *t, struct MouseInput *mi, struct wmEvent *event);
void applyMouseInput(struct TransInfo *t, struct MouseInput *mi, short mval[2], float output[3]);
void setCustomPoints(TransInfo *t, MouseInput *mi, short start[2], short end[2]);
void setInputPostFct(MouseInput *mi, void (*post)(struct TransInfo *, float [3]));
/*********************** Generics ********************************/
int initTransInfo(struct bContext *C, TransInfo *t, struct wmOperator *op, struct wmEvent *event);
void postTrans (struct bContext *C, TransInfo *t);
void resetTransRestrictions(TransInfo *t);
void drawLine(TransInfo *t, float *center, float *dir, char axis, short options);
TransDataCurveHandleFlags *initTransDataCurveHandes(TransData *td, struct BezTriple *bezt);
/* DRAWLINE options flags */
#define DRAWLIGHT 1
#define DRAWDASHED 2
#define DRAWBOLD 4
void applyTransObjects(TransInfo *t);
void restoreTransObjects(TransInfo *t);
void restoreTransNodes(TransInfo *t);
void recalcData(TransInfo *t);
void calculateCenter(TransInfo *t);
void calculateCenter2D(TransInfo *t);
void calculateCenterBound(TransInfo *t);
void calculateCenterMedian(TransInfo *t);
void calculateCenterCursor(TransInfo *t);
void calculateCenterCursor2D(TransInfo *t);
void calculatePropRatio(TransInfo *t);
void getViewVector(TransInfo *t, float coord[3], float vec[3]);
/*********************** NDofInput ********************************/
void initNDofInput(NDofInput *n);
int hasNDofInput(NDofInput *n);
void applyNDofInput(NDofInput *n, float *vec);
int handleNDofInput(NDofInput *n, struct wmEvent *event);
/* handleNDofInput return values */
#define NDOF_REFRESH 1
#define NDOF_NOMOVE 2
#define NDOF_CONFIRM 3
#define NDOF_CANCEL 4
/*********************** Transform Orientations ******************************/
void initTransformOrientation(struct bContext *C, TransInfo *t);
struct TransformOrientation *createObjectSpace(struct bContext *C, struct ReportList *reports, char *name, int overwrite);
struct TransformOrientation *createMeshSpace(struct bContext *C, struct ReportList *reports, char *name, int overwrite);
struct TransformOrientation *createBoneSpace(struct bContext *C, struct ReportList *reports, char *name, int overwrite);
/* Those two fill in mat and return non-zero on success */
int createSpaceNormal(float mat[3][3], float normal[3]);
int createSpaceNormalTangent(float mat[3][3], float normal[3], float tangent[3]);
struct TransformOrientation *addMatrixSpace(struct bContext *C, float mat[3][3], char name[], int overwrite);
int addObjectSpace(struct bContext *C, struct Object *ob);
void applyTransformOrientation(const struct bContext *C, float mat[3][3], char *name);
#define ORIENTATION_NONE 0
#define ORIENTATION_NORMAL 1
#define ORIENTATION_VERT 2
#define ORIENTATION_EDGE 3
#define ORIENTATION_FACE 4
int getTransformOrientation(const struct bContext *C, float normal[3], float plane[3], int activeOnly);
int createSpaceNormal(float mat[3][3], float normal[3]);
int createSpaceNormalTangent(float mat[3][3], float normal[3], float tangent[3]);
void freeSlideVerts(TransInfo *t);
#endif
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