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a520e7c85c83536a81ba53f7c7c6dba665ebad96
blender-archive/source/blender/editors/transform/transform.h
Campbell Barton a520e7c85c Transform: center override 
Hidden option to override transform center.
Needed for manipulators that define their own center.
2017-08-28 16:00:28 +10:00

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/*
* ***** 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 *****
*/
/** \file blender/editors/transform/transform.h
* \ingroup edtransform
*/
#ifndef __TRANSFORM_H__
#define __TRANSFORM_H__
#include "ED_transform.h"
#include "ED_numinput.h"
#include "ED_view3d.h"
#include "DNA_listBase.h"
/* ************************** Types ***************************** */
struct TransInfo;
struct TransData;
struct TransformOrientation;
struct TransSnap;
struct NumInput;
struct Object;
struct View3D;
struct ScrArea;
struct Scene;
struct bConstraint;
struct wmKeyMap;
struct wmKeyConfig;
struct bContext;
struct wmEvent;
struct wmTimer;
struct ARegion;
struct ReportList;
struct EditBone;
struct SnapObjectContext;
/* transinfo->redraw */
typedef enum {
TREDRAW_NOTHING = 0,
TREDRAW_HARD = 1,
TREDRAW_SOFT = 2,
} eRedrawFlag;
typedef struct TransSnapPoint {
struct TransSnapPoint *next, *prev;
float co[3];
} TransSnapPoint;
typedef struct TransSnap {
short mode;
short target;
short modePoint;
short modeSelect;
bool align;
bool project;
bool snap_self;
bool peel;
bool snap_spatial_grid;
short status;
float snapPoint[3]; /* snapping from this point (in global-space)*/
float snapTarget[3]; /* to this point (in global-space)*/
float snapNormal[3];
char snapNodeBorder;
ListBase points;
TransSnapPoint *selectedPoint;
double last;
void (*applySnap)(struct TransInfo *, float *);
void (*calcSnap)(struct TransInfo *, float *);
void (*targetSnap)(struct TransInfo *);
/**
* Get the transform distance between two points (used by Closest snap)
*
* \note Return value can be anything,
* where the smallest absolute value defines whats closest.
*/
float (*distance)(struct TransInfo *, const float p1[3], const float p2[3]);
/**
* Re-usable snap context data.
*/
struct SnapObjectContext *object_context;
} 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) */
int 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 *t);
/* For constraints that needs to draw differently from the other
* uses this instead of the generic draw function */
void (*applyVec)(struct TransInfo *t, struct TransData *td, const float in[3], float out[3], float pvec[3]);
/* Apply function pointer for linear vectorial transformation */
/* The last three parameters are pointers to the in/out/printable vectors */
void (*applySize)(struct TransInfo *t, struct TransData *td, float smat[3][3]);
/* Apply function pointer for size transformation */
void (*applyRot)(struct TransInfo *t, struct TransData *td, float vec[3], float *angle);
/* Apply function pointer for rotation transformation */
} TransCon;
typedef struct TransDataExtension {
float drot[3]; /* Initial object drot */
// float drotAngle; /* Initial object drotAngle, TODO: not yet implemented */
// float drotAxis[3]; /* Initial object drotAxis, TODO: not yet implemented */
float dquat[4]; /* Initial object dquat */
float dscale[3]; /* Initial object dscale */
float *rot; /* Rotation of the data to transform */
float irot[3]; /* Initial rotation */
float *quat; /* Rotation quaternion of the data to transform */
float iquat[4]; /* Initial rotation quaternion */
float *rotAngle; /* Rotation angle of the data to transform */
float irotAngle; /* Initial rotation angle */
float *rotAxis; /* Rotation axis of the data to transform */
float irotAxis[4]; /* Initial rotation axis */
float *size; /* Size of the data to transform */
float isize[3]; /* Initial size */
float obmat[4][4]; /* Object matrix */
float l_smtx[3][3]; /* use instead of td->smtx, It is the same but without the 'bone->bone_mat', see TD_PBONE_LOCAL_MTX_C */
float r_mtx[3][3]; /* The rotscale matrix of pose bone, to allow using snap-align in translation mode,
* when td->mtx is the loc pose bone matrix (and hence can't be used to apply rotation in some cases,
* namely when a bone is in "NoLocal" or "Hinge" mode)... */
float r_smtx[3][3]; /* Invers of previous one. */
int rotOrder; /* rotation mode, as defined in eRotationModes (DNA_action_types.h) */
float oloc[3], orot[3], oquat[4], orotAxis[3], orotAngle; /* Original object transformation used for rigid bodies */
} 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 independently */
float ih1[2], ih2[2];
} TransData2D;
/* we need to store 2 handles for each transdata in case 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 */
int 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;
typedef struct TransSeq {
TransDataSeq *tdseq;
int min;
int max;
bool snap_left;
} TransSeq;
/* 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 GHash;
/* header of TransDataEdgeSlideVert, TransDataEdgeSlideEdge */
typedef struct TransDataGenericSlideVert {
struct BMVert *v;
struct LinkNode **cd_loop_groups;
float co_orig_3d[3];
} TransDataGenericSlideVert;
typedef struct TransDataEdgeSlideVert {
/* TransDataGenericSlideVert */
struct BMVert *v;
struct LinkNode **cd_loop_groups;
float v_co_orig[3];
/* end generic */
float edge_len;
struct BMVert *v_side[2];
/* add origvert.co to get the original locations */
float dir_side[2][3];
int loop_nr;
} TransDataEdgeSlideVert;
/* store original data so we can correct UV's and similar when sliding */
typedef struct SlideOrigData {
/* flag that is set when origfaces is initialized */
bool use_origfaces;
int cd_loop_mdisp_offset;
struct GHash *origverts; /* map {BMVert: TransDataGenericSlideVert} */
struct GHash *origfaces;
struct BMesh *bm_origfaces;
struct MemArena *arena;
/* number of math BMLoop layers */
int layer_math_map_num;
/* array size of 'layer_math_map_num'
* maps TransDataVertSlideVert.cd_group index to absolute CustomData layer index */
int *layer_math_map;
/* array of slide vert data especially for mirror verts */
TransDataGenericSlideVert *sv_mirror;
int totsv_mirror;
} SlideOrigData;
typedef struct EdgeSlideData {
TransDataEdgeSlideVert *sv;
int totsv;
int mval_start[2], mval_end[2];
struct BMEditMesh *em;
SlideOrigData orig_data;
float perc;
bool use_even;
bool flipped;
int curr_sv_index;
/** when un-clamped - use this index: #TransDataEdgeSlideVert.dir_side */
int curr_side_unclamp;
} EdgeSlideData;
typedef struct TransDataVertSlideVert {
/* TransDataGenericSlideVert */
struct BMVert *v;
struct LinkNode **cd_loop_groups;
float co_orig_3d[3];
/* end generic */
float (*co_link_orig_3d)[3];
int co_link_tot;
int co_link_curr;
} TransDataVertSlideVert;
typedef struct VertSlideData {
TransDataVertSlideVert *sv;
int totsv;
struct BMEditMesh *em;
SlideOrigData orig_data;
float perc;
bool use_even;
bool flipped;
int curr_sv_index;
/* result of ED_view3d_ob_project_mat_get */
float proj_mat[4][4];
} VertSlideData;
typedef struct BoneInitData {
struct EditBone *bone;
float tail[3];
float rad_tail;
float roll;
float head[3];
float dist;
float xwidth;
float zwidth;
} BoneInitData;
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 BMVert) (editbone for roll fixing) (...) */
int flag; /* Various flags */
short protectflag; /* If set, copy of Object or PoseChannel protection */
} TransData;
typedef struct MouseInput {
void (*apply)(struct TransInfo *t, struct MouseInput *mi, const double mval[2], float output[3]);
void (*post)(struct TransInfo *t, float values[3]);
int imval[2]; /* initial mouse position */
bool precision;
float precision_factor;
float center[2];
float factor;
void *data; /* additional data, if needed by the particular function */
/**
* Use virtual cursor, which takes precision into account
* keeping track of the cursors 'virtual' location,
* to avoid jumping values when its toggled.
*
* This works well for scaling drag motion,
* but not for rotating around a point (rotaton needs its own custom accumulator)
*/
bool use_virtual_mval;
struct {
double prev[2];
double accum[2];
} virtual_mval;
} MouseInput;
typedef struct TransCustomData {
void *data;
void (*free_cb)(struct TransInfo *, struct TransCustomData *);
unsigned int use_free : 1;
} TransCustomData;
typedef struct TransCenterData {
float local[3], global[3];
unsigned int is_set : 1;
} TransCenterData;
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) */
void (*transform)(struct TransInfo *, const int[2]);
/* transform function pointer */
eRedrawFlag (*handleEvent)(struct TransInfo *, const 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 */
MouseInput mouse; /* mouse input */
eRedrawFlag redraw; /* redraw flag */
float prop_size; /* proportional circle radius */
char proptext[20]; /* proportional falloff text */
float aspect[3]; /* spaces using non 1:1 aspect, (uv's, f-curve, movie-clip... etc)
* use for conversion and snapping. */
float center[3]; /* center of transformation (in local-space) */
float center_global[3]; /* center of transformation (in global-space) */
float center2d[2]; /* center in screen coordinates */
/* Lazy initialize center data for when we need other center values.
* V3D_AROUND_ACTIVE + 1 (static assert checks this) */
TransCenterData center_cache[5];
short idx_max; /* maximum index on the input vector */
float snap[3]; /* Snapping Gears */
float snap_spatial[3]; /* Spatial snapping gears(even when rotating, scaling... etc) */
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 */
float spacemtx[3][3]; /* orientation matrix of the current space */
char spacename[64]; /* name of the current space, MAX_NAME */
struct Object *poseobj; /* if t->flag & T_POSE, this denotes pose object */
/**
* Rule of thumb for choosing between mode/type:
* - If transform mode uses the data, assign to `mode`
* (typically in transform.c).
* - If conversion uses the data as an extension to the #TransData, assign to `type`
* (typically in transform_conversion.c).
*/
struct {
/* owned by the mode (grab, scale, bend... )*/
union {
TransCustomData mode, first_elem;
};
/* owned by the type (mesh, armature, nla...) */
TransCustomData type;
} custom;
#define TRANS_CUSTOM_DATA_ELEM_MAX (sizeof(((TransInfo *)NULL)->custom) / sizeof(TransCustomData))
/*************** 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];
float axis_orig[3]; /* TransCon can change 'axis', store the original value here */
bool remove_on_cancel; /* remove elements if operator is canceled */
void *view;
struct bContext *context; /* Only valid (non null) during an operator called function. */
struct ScrArea *sa;
struct ARegion *ar;
struct Scene *scene;
struct ToolSettings *settings;
struct wmTimer *animtimer;
struct wmKeyMap *keymap; /* so we can do lookups for header text */
struct ReportList *reports; /* assign from the operator, or can be NULL */
int mval[2]; /* current mouse position */
float zfac; /* use for 3d view */
struct Object *obedit;
float obedit_mat[3][3]; /* normalized editmode matrix (T_EDIT only) */
void *draw_handle_apply;
void *draw_handle_view;
void *draw_handle_pixel;
void *draw_handle_cursor;
} TransInfo;
/* ******************** Macros & Prototypes *********************** */
/* transinfo->state */
#define TRANS_STARTING 0
#define TRANS_RUNNING 1
#define TRANS_CONFIRM 2
#define TRANS_CANCEL 3
/* transinfo->flag */
#define T_OBJECT (1 << 0)
#define T_EDIT (1 << 1)
#define T_POSE (1 << 2)
#define T_TEXTURE (1 << 3)
/* transforming the camera while in camera view */
#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_PROP_PROJECTED (1 << 25)
#define T_PROP_EDIT_ALL (T_PROP_EDIT | T_PROP_CONNECTED | T_PROP_PROJECTED)
#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)
/* 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)
/* alternative transformation. used to add offset to tracking markers */
#define T_ALT_TRANSFORM (1 << 24)
/** #TransInfo.center has been set, don't change it. */
#define T_OVERRIDE_CENTER (1 << 25)
/* 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
/* use node center for transform instead of upper-left corner.
* disabled since it makes absolute snapping not work so nicely
*/
// #define USE_NODE_CENTER
/* ******************************************************************************** */
/* 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_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_INDIVIDUAL_SCALE (1 << 8) /* Scale relative to individual element center */
#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)
#define TD_PBONE_LOCAL_MTX_P (1 << 19) /* exceptional case with pose bone rotating when a parent bone has 'Local Location' option enabled and rotating also transforms it. */
#define TD_PBONE_LOCAL_MTX_C (1 << 20) /* same as above but for a child bone */
/* transsnap->status */
#define SNAP_FORCED 1
#define TARGET_INIT 2
#define POINT_INIT 4
#define MULTI_POINTS 8
/* Hard min/max for proportional size. */
#define T_PROP_SIZE_MIN 1e-6f
#define T_PROP_SIZE_MAX 1e12f
bool initTransform(struct bContext *C, struct TransInfo *t, struct wmOperator *op, const struct wmEvent *event, int mode);
void saveTransform(struct bContext *C, struct TransInfo *t, struct wmOperator *op);
int transformEvent(TransInfo *t, const struct wmEvent *event);
void transformApply(struct bContext *C, TransInfo *t);
int transformEnd(struct bContext *C, TransInfo *t);
void setTransformViewMatrices(TransInfo *t);
void setTransformViewAspect(TransInfo *t, float r_aspect[3]);
void convertViewVec(TransInfo *t, float r_vec[3], double dx, double dy);
void projectIntViewEx(TransInfo *t, const float vec[3], int adr[2], const eV3DProjTest flag);
void projectIntView(TransInfo *t, const float vec[3], int adr[2]);
void projectFloatViewEx(TransInfo *t, const float vec[3], float adr[2], const eV3DProjTest flag);
void projectFloatView(TransInfo *t, const float vec[3], float adr[2]);
void applyAspectRatio(TransInfo *t, float vec[2]);
void removeAspectRatio(TransInfo *t, float vec[2]);
void drawPropCircle(const struct bContext *C, TransInfo *t);
struct wmKeyMap *transform_modal_keymap(struct wmKeyConfig *keyconf);
/*********************** transform_conversions.c ********** */
struct ListBase;
void flushTransIntFrameActionData(TransInfo *t);
void flushTransGraphData(TransInfo *t);
void remake_graph_transdata(TransInfo *t, struct ListBase *anim_data);
void flushTransUVs(TransInfo *t);
void flushTransParticles(TransInfo *t);
bool clipUVTransform(TransInfo *t, float vec[2], const bool resize);
void clipUVData(TransInfo *t);
void flushTransNodes(TransInfo *t);
void flushTransSeq(TransInfo *t);
void flushTransTracking(TransInfo *t);
void flushTransMasking(TransInfo *t);
void flushTransPaintCurve(TransInfo *t);
void restoreBones(TransInfo *t);
/*********************** exported from transform_manipulator.c ********** */
bool gimbal_axis(struct Object *ob, float gmat[3][3]); /* return 0 when no gimbal for selection */
/*********************** TransData Creation and General Handling *********** */
void createTransData(struct bContext *C, TransInfo *t);
void sort_trans_data_dist(TransInfo *t);
void special_aftertrans_update(struct bContext *C, TransInfo *t);
int special_transform_moving(TransInfo *t);
void transform_autoik_update(TransInfo *t, short mode);
bool transdata_check_local_islands(TransInfo *t, short around);
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(TransInfo *t);
void getConstraintMatrix(TransInfo *t);
void setConstraint(TransInfo *t, float space[3][3], int mode, const char text[]);
void setAxisMatrixConstraint(TransInfo *t, 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]);
bool 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 snapGridIncrement(TransInfo *t, float *val);
void snapGridIncrementAction(TransInfo *t, float *val, GearsType action);
void snapSequenceBounds(TransInfo *t, const int mval[2]);
bool activeSnap(TransInfo *t);
bool validSnap(TransInfo *t);
void initSnapping(struct TransInfo *t, struct wmOperator *op);
void freeSnapping(struct TransInfo *t);
void applyProject(TransInfo *t);
void applyGridAbsolute(TransInfo *t);
void applySnapping(TransInfo *t, float *vec);
void resetSnapping(TransInfo *t);
eRedrawFlag handleSnapping(TransInfo *t, const struct wmEvent *event);
void drawSnapping(const struct bContext *C, TransInfo *t);
bool usingSnappingNormal(TransInfo *t);
bool validSnappingNormal(TransInfo *t);
void getSnapPoint(TransInfo *t, float vec[3]);
void addSnapPoint(TransInfo *t);
eRedrawFlag updateSelectedSnapPoint(TransInfo *t);
void removeSnapPoint(TransInfo *t);
/********************** Mouse Input ******************************/
typedef enum {
INPUT_NONE,
INPUT_VECTOR,
INPUT_SPRING,
INPUT_SPRING_FLIP,
INPUT_SPRING_DELTA,
INPUT_ANGLE,
INPUT_ANGLE_SPRING,
INPUT_TRACKBALL,
INPUT_HORIZONTAL_RATIO,
INPUT_HORIZONTAL_ABSOLUTE,
INPUT_VERTICAL_RATIO,
INPUT_VERTICAL_ABSOLUTE,
INPUT_CUSTOM_RATIO,
INPUT_CUSTOM_RATIO_FLIP,
} MouseInputMode;
void initMouseInput(TransInfo *t, MouseInput *mi, const float center[2], const int mval[2], const bool precision);
void initMouseInputMode(TransInfo *t, MouseInput *mi, MouseInputMode mode);
eRedrawFlag handleMouseInput(struct TransInfo *t, struct MouseInput *mi, const struct wmEvent *event);
void applyMouseInput(struct TransInfo *t, struct MouseInput *mi, const int mval[2], float output[3]);
void setCustomPoints(TransInfo *t, MouseInput *mi, const int start[2], const int end[2]);
void setInputPostFct(MouseInput *mi, void (*post)(struct TransInfo *t, float values[3]));
/*********************** Generics ********************************/
void initTransInfo(struct bContext *C, TransInfo *t, struct wmOperator *op, const struct wmEvent *event);
void postTrans(struct bContext *C, TransInfo *t);
void resetTransModal(TransInfo *t);
void resetTransRestrictions(TransInfo *t);
void drawLine(TransInfo *t, const float center[3], const float dir[3], char axis, short options);
/* DRAWLINE options flags */
#define DRAWLIGHT 1
void applyTransObjects(TransInfo *t);
void restoreTransObjects(TransInfo *t);
void recalcData(TransInfo *t);
void calculateCenter2D(TransInfo *t);
void calculateCenterGlobal(
TransInfo *t, const float center_local[3],
float r_center_global[3]);
const TransCenterData *transformCenter_from_type(TransInfo *t, int around);
void calculateCenter(TransInfo *t);
/* API functions for getting center points */
void calculateCenterBound(TransInfo *t, float r_center[3]);
void calculateCenterMedian(TransInfo *t, float r_center[3]);
void calculateCenterCursor(TransInfo *t, float r_center[3]);
void calculateCenterCursor2D(TransInfo *t, float r_center[2]);
void calculateCenterCursorGraph2D(TransInfo *t, float r_center[2]);
bool calculateCenterActive(TransInfo *t, bool select_only, float r_center[3]);
void calculatePropRatio(TransInfo *t);
void getViewVector(TransInfo *t, float coord[3], float vec[3]);
void transform_data_ext_rotate(TransData *td, float mat[3][3], bool use_drot);
/*********************** Transform Orientations ******************************/
void initTransformOrientation(struct bContext *C, TransInfo *t);
/* Those two fill in mat and return non-zero on success */
bool createSpaceNormal(float mat[3][3], const float normal[3]);
bool createSpaceNormalTangent(float mat[3][3], const float normal[3], const float tangent[3]);
struct TransformOrientation *addMatrixSpace(struct bContext *C, float mat[3][3],
const char *name, const bool overwrite);
bool applyTransformOrientation(const struct bContext *C, float mat[3][3], char r_name[64], int index);
#define ORIENTATION_NONE 0
#define ORIENTATION_NORMAL 1
#define ORIENTATION_VERT 2
#define ORIENTATION_EDGE 3
#define ORIENTATION_FACE 4
int getTransformOrientation_ex(const struct bContext *C, float normal[3], float plane[3], const short around);
int getTransformOrientation(const struct bContext *C, float normal[3], float plane[3]);
void freeEdgeSlideTempFaces(EdgeSlideData *sld);
void freeEdgeSlideVerts(TransInfo *t, TransCustomData *custom_data);
void projectEdgeSlideData(TransInfo *t, bool is_final);
void freeVertSlideTempFaces(VertSlideData *sld);
void freeVertSlideVerts(TransInfo *t, TransCustomData *custom_data);
void projectVertSlideData(TransInfo *t, bool is_final);
/* TODO. transform_queries.c */
bool checkUseAxisMatrix(TransInfo *t);
#define TRANSFORM_DIST_MAX_PX 1000.0f
#define TRANSFORM_SNAP_MAX_PX 100.0f
#define TRANSFORM_DIST_INVALID -FLT_MAX
#endif
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