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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) 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 "BIF_transform.h"
/* ************************** Types ***************************** */
struct TransInfo;
struct TransData;
struct TransSnap;
struct NumInput;
struct Object;
struct View3D;
struct ScrArea;
struct Scene;
struct bPose;
struct bConstraint;
struct BezTriple;
struct wmOperatorType;
struct wmOperator;
struct bContext;
struct wmEvent;
struct ARegion;
typedef struct NDofInput {
int flag;
int axis;
float fval[7];
float factor[3];
} NDofInput;
typedef struct NumInput {
short idx;
short idx_max;
short flag; /* Different flags to indicate different behaviors */
float val[3]; /* Direct value of the input */
int ctrl[3]; /* Control to indicate what to do with the numbers that are typed */
} NumInput ;
/*
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 TransSnap {
short modePoint;
short modeTarget;
int mode;
int status;
float snapPoint[3];
float snapTarget[3];
float snapNormal[3];
float snapTangent[3];
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 {
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 TransDataIpokey {
int flag; /* which keys */
float *locx, *locy, *locz; /* channel pointers */
float *rotx, *roty, *rotz;
float *quatx, *quaty, *quatz, *quatw;
float *sizex, *sizey, *sizez;
float oldloc[9]; /* storage old values */
float oldrot[9];
float oldsize[9];
float oldquat[12];
} TransDataIpokey;
typedef struct TransDataExtension {
float drot[3]; /* Initial object drot */
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 *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 */
} 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;
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! */
TransDataIpokey *tdi; /* for objects, ipo keys. per transdata a malloc */
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) (...) */
short flag; /* Various flags */
short protectflag; /* If set, copy of Object or PoseChannel protection */
} TransData;
typedef struct MouseInput {
void (*apply)(struct TransInfo *, struct MouseInput *, short [2], 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;
} 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 propsize; /* 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 idx_max; /* maximum index on the input vector */
float snap[3]; /* Snapping Gears */
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 */
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 */
/*************** NEW STUFF *********************/
float values[4];
void *view;
struct ScrArea *sa;
struct ARegion *ar;
struct Scene *scene;
short mval[2]; /* current mouse position */
struct Object *obedit;
} TransInfo;
/* ******************** Macros & Prototypes *********************** */
/* NUMINPUT FLAGS */
#define NUM_NULL_ONE 2
#define NUM_NO_NEGATIVE 4
#define NUM_NO_ZERO 8
#define NUM_NO_FRACTION 16
#define NUM_AFFECT_ALL 32
/* NDOFINPUT FLAGS */
#define NDOF_INIT 1
/* transinfo->state */
#define TRANS_RUNNING 0
#define TRANS_CONFIRM 1
#define TRANS_CANCEL 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)
/* TransInfo->modifiers */
#define MOD_CONSTRAINT_SELECT 0x01
#define MOD_PRECISION 0x02
#define MOD_SNAP_GEARS 0x04
#define MOD_CONSTRAINT_PLANE 0x08
/* ******************************************************************************** */
/* 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_LOCAL 64
#define CON_USER 128
/* 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 */
/* transsnap->status */
#define SNAP_ON 1
#define TARGET_INIT 2
#define POINT_INIT 4
/* transsnap->modePoint */
#define SNAP_GRID 0
#define SNAP_GEO 1
/* transsnap->modeTarget */
#define SNAP_CLOSEST 0
#define SNAP_CENTER 1
#define SNAP_MEDIAN 2
#define SNAP_ACTIVE 3
void TFM_OT_transform(struct wmOperatorType *ot);
void initTransform(struct bContext *C, struct TransInfo *t, struct wmOperator *op, struct wmEvent *event);
void saveTransform(struct bContext *C, struct TransInfo *t, struct wmOperator *op);
void transformEvent(TransInfo *t, struct wmEvent *event);
void transformApply(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 convertVecToDisplayNum(float *vec, float *num);
void convertDisplayNumToVec(float *num, 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 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]);
/*********************** transform_conversions.c ********** */
struct ListBase;
void flushTransGPactionData(TransInfo *t);
void flushTransIpoData(TransInfo *t);
void flushTransUVs(TransInfo *t);
void flushTransParticles(TransInfo *t);
int clipUVTransform(TransInfo *t, float *vec, int resize);
void flushTransNodes(TransInfo *t);
/*********************** exported from transform_manipulator.c ********** */
void draw_manipulator_ext(struct ScrArea *sa, int type, char axis, int col, float vec[3], float mat[][3]);
int calc_manipulator_stats(struct ScrArea *sa);
float get_drawsize(struct View3D *v3d, struct ScrArea *sa, 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(TransInfo *t);
void transform_autoik_update(TransInfo *t, short mode);
/* auto-keying stuff used by special_aftertrans_update */
short autokeyframe_cfra_can_key(struct Object *ob);
void autokeyframe_ob_cb_func(struct Object *ob, int tmode);
void autokeyframe_pose_cb_func(struct Object *ob, int tmode, short targetless_ik);
/*********************** Constraints *****************************/
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, 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);
void initSnapping(struct TransInfo *t);
void applySnapping(TransInfo *t, float *vec);
void resetSnapping(TransInfo *t);
int handleSnapping(TransInfo *t, struct wmEvent *event);
void drawSnapping(TransInfo *t);
int usingSnappingNormal(TransInfo *t);
int validSnappingNormal(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
} 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]);
/*********************** Generics ********************************/
void initTransInfo(struct bContext *C, TransInfo *t, struct wmEvent *event);
void postTrans (TransInfo *t);
void resetTransRestrictions(TransInfo *t);
void drawLine(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]);
TransInfo * BIF_GetTransInfo(void);
/*********************** NumInput ********************************/
void initNumInput(NumInput *n);
void outputNumInput(NumInput *n, char *str);
short hasNumInput(NumInput *n);
void applyNumInput(NumInput *n, float *vec);
char handleNumInput(NumInput *n, struct wmEvent *event);
/*********************** 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
/*********************** TransSpace ******************************/
int manageObjectSpace(int confirm, int set);
int manageMeshSpace(int confirm, int set);
int manageBoneSpace(int confirm, int set);
/* 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]);
int addMatrixSpace(float mat[3][3], char name[]);
int addObjectSpace(struct Object *ob);
void applyTransformOrientation(void);
#define ORIENTATION_NONE 0
#define ORIENTATION_NORMAL 1
#define ORIENTATION_VERT 2
#define ORIENTATION_EDGE 3
#define ORIENTATION_FACE 4
int getTransformOrientation(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]);
#endif
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