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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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/BL DUAL LICENSE BLOCK *****
*/
#ifndef TRANSFORM_H
#define TRANSFORM_H
#include "transform_numinput.h"
#include "BIF_transform.h"
/* ************************** Types ***************************** */
struct TransInfo;
struct TransData;
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 centre 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 rotation transformation (prototype will change */
void (*applyRot)(struct TransInfo *, struct TransData *, float [3]);
/* Apply function pointer for rotation transformation (prototype will change */
} 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[3][3]; /* Object matrix */
void *bone; /* ARGH! old transform demanded it, added for now (ton) */
} TransDataExtension;
typedef struct TransData {
float dist; /* 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;
TransDataExtension *ext; /* for objects, poses. 1 single malloc per TransInfo! */
TransDataIpokey *tdi; /* for objects, ipo keys. per transdata a malloc */
int flag; /* Various flags */
} TransData;
typedef struct TransInfo {
int mode; /* current mode */
int (*transform)(struct TransInfo *, short *);
/* transform function pointer */
char redraw; /* redraw flag */
int flag; /* generic flags for special behaviors */
int total; /* total number of transformed data */
float propsize; /* proportional circle radius */
char proptext[20]; /* proportional falloff text */
float center[3]; /* center of transformation */
short center2d[2]; /* center in screen coordinates */
short imval[2]; /* initial mouse position */
short idx_max;
float snap[3]; /* Snapping Gears */
TransData *data; /* transformed data (array) */
TransDataExtension *ext; /* transformed data extension (array) */
TransCon con; /* transformed constraint */
NumInput num; /* numerical input */
float val; /* init value for some transformations */
float fac; /* factor for distance based transform */
float viewmat[4][4]; /* copy from G.vd, prevents feedback */
float viewinv[4][4];
float persinv[4][4];
float vec[3]; /* translation, to show for widget */
float mat[3][3]; /* rot/rescale, to show for widget */
} TransInfo;
/* ******************** Macros & Prototypes *********************** */
/* MODE AND NUMINPUT FLAGS */
#define NOCONSTRAINT 1
#define NULLONE 2
#define NONEGATIVE 4
#define NOZERO 8
#define NOFRACTION 16
#define AFFECTALL 32
/* transinfo->flag */
#define T_OBJECT 1
#define T_EDIT 2
#define T_POSE 4
#define T_TEXTURE 8
#define T_CAMERA 16
// for manipulator exceptions, like scaling using center point, drawing help lines
#define T_USES_MANIPULATOR 128
/* 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 */
/* transdata->flag */
#define TD_SELECTED 1
#define TD_NOACTION 2
#define TD_USEQUAT 4
void Transform(int mode);
void initWarp(TransInfo *t);
int Warp(TransInfo *t, short mval[2]);
void initShear(TransInfo *t);
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 initTrackball(TransInfo *t);
int Trackball(TransInfo *t, short mval[2]);
/* exported from transform.c */
struct ListBase;
void count_bone_select(struct ListBase *lb, int *counter);
/* exported from transform_manipulator.c */
struct ScrArea;
void draw_manipulator_ext(struct ScrArea *sa, int type, char axis, int col, float vec[3], float mat[][3]);
#endif
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