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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 "RE_engine.h"
#include "DNA_listBase.h"
#include "DEG_depsgraph.h"
/* ************************** Types ***************************** */
struct Depsgraph;
struct TransInfo;
struct TransDataContainer;
struct TransData;
struct TransformOrientation;
struct TransSnap;
struct NumInput;
struct Object;
struct View3D;
struct ScrArea;
struct Scene;
struct ViewLayer;
struct bConstraint;
struct wmKeyMap;
struct wmKeyConfig;
struct bContext;
struct wmEvent;
struct wmTimer;
struct ARegion;
struct ReportList;
struct RNG;
struct EditBone;
struct RenderEngineType;
struct SnapObjectContext;
#include "DNA_object_enums.h"
/* 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;
/** snapping from this point (in global-space). */
float snapPoint[3];
/** to this point (in global-space). */
float snapTarget[3];
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 *t, const float p1[3], const float p2[3]);
/**
* Re-usable snap context data.
*/
struct SnapObjectContext *object_context;
} TransSnap;
typedef struct TransCon {
short orientation;
/** Description of the Constraint for header_print. */
char text[50];
/** Matrix of the Constraint space. */
float mtx[3][3];
/** Inverse Matrix of the Constraint space. */
float imtx[3][3];
/** Projection Constraint Matrix (same as imtx with some axis == 0). */
float pmtx[3][3];
/** Initial mouse value for visual calculation
* the one in TransInfo is not guarantee to stay the same (Rotates change it). */
int imval[2];
/** Mode flags of the Constraint. */
int mode;
void (*drawExtra)(struct TransInfo *t);
/* Note: if 'tc' is NULL, 'td' must also be NULL.
* For constraints that needs to draw differently from the other
* uses this instead of the generic draw function. */
/** Apply function pointer for linear vectorial transformation
* The last three parameters are pointers to the in/out/printable vectors. */
void (*applyVec)(struct TransInfo *t, struct TransDataContainer *tc, struct TransData *td, const float in[3], float out[3], float pvec[3]);
/** Apply function pointer for size transformation. */
void (*applySize)(struct TransInfo *t, struct TransDataContainer *tc, struct TransData *td, float smat[3][3]);
/** Apply function pointer for rotation transformation */
void (*applyRot)(struct TransInfo *t, struct TransDataContainer *tc, struct TransData *td, float vec[3], float *angle);
} TransCon;
typedef struct TransDataExtension {
/** Initial object drot. */
float drot[3];
// /* Initial object drotAngle, TODO: not yet implemented */
// float drotAngle;
// /* Initial object drotAxis, TODO: not yet implemented */
// float drotAxis[3];
/** Initial object dquat. */
float dquat[4];
/** Initial object dscale. */
float dscale[3];
/** Rotation of the data to transform. */
float *rot;
/** Initial rotation. */
float irot[3];
/** Rotation quaternion of the data to transform. */
float *quat;
/** Initial rotation quaternion. */
float iquat[4];
/** Rotation angle of the data to transform. */
float *rotAngle;
/** Initial rotation angle. */
float irotAngle;
/** Rotation axis of the data to transform. */
float *rotAxis;
/** Initial rotation axis. */
float irotAxis[4];
/** Size of the data to transform. */
float *size;
/** Initial size. */
float isize[3];
/** Object matrix. */
float obmat[4][4];
/** Use instead of td->smtx,
* It is the same but without the 'bone->bone_mat', see TD_PBONE_LOCAL_MTX_C. */
float l_smtx[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_mtx[3][3];
/** Inverse of previous one. */
float r_smtx[3][3];
/** rotation mode, as defined in eRotationModes (DNA_action_types.h). */
int rotOrder;
/** Original object transformation used for rigid bodies. */
float oloc[3], orot[3], oquat[4], orotAxis[3], orotAngle;
} TransDataExtension;
typedef struct TransData2D {
/** Location of data used to transform (x,y,0). */
float loc[3];
/** Pointer to real 2d location of data. */
float *loc2d;
/** Pointer to handle locations, if handles aren't being moved independently. */
float *h1, *h2;
float ih1[2], ih2[2];
} TransData2D;
/* we need to store 2 handles for each transdata in case the other handle wasn't selected */
typedef struct TransDataCurveHandleFlags {
char ih1, ih2;
char *h1, *h2;
} TransDataCurveHandleFlags;
/* for sequencer transform */
typedef struct TransDataSeq {
struct Sequence *seq;
/** A copy of seq->flag that may be modified for nested strips. */
int flag;
/** Use this so we can have transform data at the strips start,
* but apply correctly to the start frame. */
int start_offset;
/** one of SELECT, SEQ_LEFTSEL and SEQ_RIGHTSEL. */
short sel_flag;
} 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-block NLA-data is attached to. */
ID *id;
/** Original NLA-Track that the strip belongs to. */
struct NlaTrack *oldTrack;
/** Current NLA-Track that the strip belongs to. */
struct NlaTrack *nlt;
/** NLA-strip this data represents. */
struct NlaStrip *strip;
/* dummy values for transform to write in - must have 3 elements... */
/** start handle. */
float h1[3];
/** end handle. */
float h2[3];
/** index of track that strip is currently in. */
int trackIndex;
/** handle-index: 0 for dummy entry, -1 for start, 1 for end, 2 for both ends. */
int handle;
} 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;
/** map {BMVert: TransDataGenericSlideVert} */
struct GHash *origverts;
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;
int curr_sv_index;
/** when un-clamped - use this index: #TransDataEdgeSlideVert.dir_side */
int curr_side_unclamp;
} EdgeSlideData;
typedef struct EdgeSlideParams {
float perc;
bool use_even;
bool flipped;
} EdgeSlideParams;
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;
int curr_sv_index;
/* result of ED_view3d_ob_project_mat_get */
float proj_mat[4][4];
} VertSlideData;
typedef struct VertSlideParams {
float perc;
bool use_even;
bool flipped;
} VertSlideParams;
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 {
/** Distance needed to affect element (for Proportionnal Editing). */
float dist;
/** Distance to the nearest element (for Proportionnal Editing). */
float rdist;
/** Factor of the transformation (for Proportionnal Editing). */
float factor;
/** Location of the data to transform. */
float *loc;
/** Initial location. */
float iloc[3];
/** Value pointer for special transforms. */
float *val;
/** Old value. */
float ival;
/** Individual data center. */
float center[3];
/** Transformation matrix from data space to global space. */
float mtx[3][3];
/** Transformation matrix from global space to data space. */
float smtx[3][3];
/** Axis orientation matrix of the data. */
float axismtx[3][3];
struct Object *ob;
/** For objects/bones, the first constraint in its constraint stack. */
struct bConstraint *con;
/** For objects, poses. 1 single malloc per TransInfo! */
TransDataExtension *ext;
/** for curves, stores handle flags for modification/cancel. */
TransDataCurveHandleFlags *hdata;
/**
* Extra data (mirrored element pointer, in editmode mesh to BMVert)
* (editbone for roll fixing) (...).
*/
void *extra;
/** Various flags. */
int flag;
/** If set, copy of Object or PoseChannel protection. */
short protectflag;
} 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]);
/** Initial mouse position. */
int imval[2];
bool precision;
float precision_factor;
float center[2];
float factor;
/** Additional data, if needed by the particular function. */
void *data;
/**
* 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 TransDataContainer *tc, struct TransCustomData *custom_data);
unsigned int use_free : 1;
} TransCustomData;
typedef struct TransCenterData {
float global[3];
unsigned int is_set : 1;
} TransCenterData;
/**
* 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).
*/
typedef struct TransCustomDataContainer {
/** Owned by the mode (grab, scale, bend... ).*/
union {
TransCustomData mode, first_elem;
};
TransCustomData type;
} TransCustomDataContainer;
#define TRANS_CUSTOM_DATA_ELEM_MAX (sizeof(TransCustomDataContainer) / sizeof(TransCustomData))
typedef struct TransDataContainer {
/**
* Use for cases we care about the active, eg: active vert of active mesh.
* if set this will _always_ be the first item in the array.
*/
bool is_active;
/** Transformed data (array). */
TransData *data;
/** Total number of transformed data. */
int data_len;
/** Transformed data extension (array). */
TransDataExtension *data_ext;
/** Transformed data for 2d (array). */
TransData2D *data_2d;
struct Object *obedit;
/**
* Use when #T_LOCAL_MATRIX is set.
* Typically: 'obedit->obmat' or 'poseobj->obmat', but may be used elsewhere too.
*/
bool use_local_mat;
float mat[4][4];
float imat[4][4];
/** 3x3 copies of matrices above. */
float mat3[3][3];
float imat3[3][3];
/** Normalized 'mat3' */
float mat3_unit[3][3];
/** if 't->flag & T_POSE', this denotes pose object */
struct Object *poseobj;
/** Center of transformation (in local-space), Calculated from #TransInfo.center_global. */
float center_local[3];
TransCustomDataContainer custom;
} TransDataContainer;
typedef struct TransInfo {
TransDataContainer *data_container;
int data_container_len;
/** Combine length of all #TransDataContainer.data_len
* Use to check if nothing is selected or if we have a single selection. */
int data_len_all;
/** Current mode. */
int mode;
/** Generic flags for special behaviors. */
int flag;
/** Special modifiers, by function, not key. */
int modifiers;
/** Current state (running, canceled. */
short state;
/** Current context/options for transform. */
int options;
/** Init value for some transformations (and rotation angle). */
float val;
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 */
/** transformed constraint. */
TransCon con;
TransSnap tsnap;
/** numerical input. */
NumInput num;
/** mouse input. */
MouseInput mouse;
/** redraw flag. */
eRedrawFlag redraw;
/** proportional circle radius. */
float prop_size;
/** proportional falloff text. */
char proptext[20];
/**
* Spaces using non 1:1 aspect, (uv's, f-curve, movie-clip... etc)
* use for conversion and snapping.
*/
float aspect[3];
/** center of transformation (in global-space) */
float center_global[3];
/** center in screen coordinates. */
float center2d[2];
/* Lazy initialize center data for when we need other center values.
* V3D_AROUND_ACTIVE + 1 (static assert checks this) */
TransCenterData center_cache[5];
/** maximum index on the input vector. */
short idx_max;
/** Snapping Gears. */
float snap[3];
/** Spatial snapping gears(even when rotating, scaling... etc). */
float snap_spatial[3];
/** Mouse side of the cfra, 'L', 'R' or 'B' */
char frame_side;
/** copy from G.vd, prevents feedback. */
float viewmat[4][4];
/** and to make sure we don't have to. */
float viewinv[4][4];
/** access G.vd from other space types. */
float persmat[4][4];
float persinv[4][4];
short persp;
short around;
/** spacetype where transforming is. */
char spacetype;
/** Choice of custom cursor with or without a help line from the gizmo to the mouse position. */
char helpline;
/** Avoid looking inside TransDataContainer obedit. */
short obedit_type;
/** translation, to show for widget. */
float vec[3];
/** rot/rescale, to show for widget. */
float mat[3][3];
/** orientation matrix of the current space. */
float spacemtx[3][3];
/** name of the current space, MAX_NAME. */
char spacename[64];
/*************** NEW STUFF *********************/
/** event type used to launch transform. */
short launch_event;
struct {
short user;
/* Used when user is global. */
short user_alt;
short index;
short *types[2];
/* this gets used when custom_orientation is V3D_MANIP_CUSTOM */
TransformOrientation *custom;
} orientation;
/** backup from view3d, to restore on end. */
short gizmo_flag;
short prop_mode;
short mirror;
float values[4];
/** Offset applied ontop of modal input. */
float values_modal_offset[4];
float auto_values[4];
float axis[3];
/** TransCon can change 'axis', store the original value here. */
float axis_orig[3];
float axis_ortho[3];
/** remove elements if operator is canceled. */
bool remove_on_cancel;
void *view;
/** Only valid (non null) during an operator called function. */
struct bContext *context;
struct ScrArea *sa;
struct ARegion *ar;
struct Depsgraph *depsgraph;
struct Scene *scene;
struct ViewLayer *view_layer;
struct ToolSettings *settings;
struct wmTimer *animtimer;
/** so we can do lookups for header text. */
struct wmKeyMap *keymap;
/** assign from the operator, or can be NULL. */
struct ReportList *reports;
/** current mouse position. */
int mval[2];
/** use for 3d view. */
float zfac;
void *draw_handle_apply;
void *draw_handle_view;
void *draw_handle_pixel;
void *draw_handle_cursor;
/** Currently only used for random curve of proportional editing. */
struct RNG *rng;
/** Typically for mode settings. */
TransCustomDataContainer custom;
} TransInfo;
/* ******************** Macros & Prototypes *********************** */
/* transinfo->state */
enum {
TRANS_STARTING = 0,
TRANS_RUNNING = 1,
TRANS_CONFIRM = 2,
TRANS_CANCEL = 3,
};
/* transinfo->flag */
enum {
T_OBJECT = 1 << 0,
/** \note We could remove 'T_EDIT' and use 'obedit_type', for now ensure they're in sync. */
T_EDIT = 1 << 1,
T_POSE = 1 << 2,
T_TEXTURE = 1 << 3,
/** Transforming the camera while in camera view. */
T_CAMERA = 1 << 4,
/** Transforming the 3D cursor. */
T_CURSOR = 1 << 5,
/** Transform points, having no rotation/scale. */
T_POINTS = 1 << 6,
/**
* Apply matrix #TransDataContainer.matrix, this avoids having to have duplicate check all over
* that happen to apply to spesiifc modes (edit & pose for eg). */
T_LOCAL_MATRIX = 1 << 7,
/** restrictions flags */
T_NO_CONSTRAINT = 1 << 8,
T_NULL_ONE = 1 << 9,
T_NO_ZERO = 1 << 10,
T_ALL_RESTRICTIONS = T_NO_CONSTRAINT | T_NULL_ONE | T_NO_ZERO,
T_PROP_EDIT = 1 << 11,
T_PROP_CONNECTED = 1 << 12,
T_PROP_PROJECTED = 1 << 13,
T_PROP_EDIT_ALL = T_PROP_EDIT | T_PROP_CONNECTED | T_PROP_PROJECTED,
T_V3D_ALIGN = 1 << 14,
/** For 2d views like uv or fcurve. */
T_2D_EDIT = 1 << 15,
T_CLIP_UV = 1 << 16,
/** Auto-ik is on. */
T_AUTOIK = 1 << 18,
T_MIRROR = 1 << 19,
T_AUTOVALUES = 1 << 20,
/** To specify if we save back settings at the end. */
T_MODAL = 1 << 21,
/** No retopo. */
T_NO_PROJECT = 1 << 22,
T_RELEASE_CONFIRM = 1 << 23,
/** Alternative transformation. used to add offset to tracking markers. */
T_ALT_TRANSFORM = 1 << 24,
/** #TransInfo.center has been set, don't change it. */
T_OVERRIDE_CENTER = 1 << 25,
T_MODAL_CURSOR_SET = 1 << 26,
T_CLNOR_REBUILD = 1 << 27,
};
/** #TransInfo.modifiers */
enum {
MOD_CONSTRAINT_SELECT = 1 << 0,
MOD_PRECISION = 1 << 1,
MOD_SNAP = 1 << 2,
MOD_SNAP_INVERT = 1 << 3,
MOD_CONSTRAINT_PLANE = 1 << 4,
};
/* 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 */
enum {
HLP_NONE = 0,
HLP_SPRING = 1,
HLP_ANGLE = 2,
HLP_HARROW = 3,
HLP_VARROW = 4,
HLP_CARROW = 5,
HLP_TRACKBALL = 6,
};
/* transinfo->con->mode */
enum {
CON_APPLY = 1 << 0,
CON_AXIS0 = 1 << 1,
CON_AXIS1 = 1 << 2,
CON_AXIS2 = 1 << 3,
CON_SELECT = 1 << 4,
/** Does not reorient vector to face viewport when on. */
CON_NOFLIP = 1 << 5,
CON_USER = 1 << 6,
};
/* transdata->flag */
enum {
TD_SELECTED = 1 << 0,
TD_NOACTION = 1 << 2,
TD_USEQUAT = 1 << 3,
TD_NOTCONNECTED = 1 << 4,
/** Used for scaling of #MetaElem.rad */
TD_SINGLESIZE = 1 << 5,
/** Scale relative to individual element center */
TD_INDIVIDUAL_SCALE = 1 << 8,
TD_NOCENTER = 1 << 9,
/** #TransData.ext abused for particle key timing. */
TD_NO_EXT = 1 << 10,
/** don't transform this data */
TD_SKIP = 1 << 11,
/** if this is a bez triple, we need to restore the handles,
* if this is set #TransData.hdata needs freeing */
TD_BEZTRIPLE = 1 << 12,
/** when this is set, don't apply translation changes to this element */
TD_NO_LOC = 1 << 13,
/** for Graph Editor autosnap, indicates that point should not undergo autosnapping */
TD_NOTIMESNAP = 1 << 14,
/** for Graph Editor - curves that can only have int-values need their keyframes tagged with this */
TD_INTVALUES = 1 << 15,
/** For editmode mirror, clamp to x = 0 */
TD_MIRROR_EDGE = 1 << 16,
/** For fcurve handles, move them along with their keyframes */
TD_MOVEHANDLE1 = 1 << 17,
TD_MOVEHANDLE2 = 1 << 18,
/** Exceptional case with pose bone rotating when a parent bone has 'Local Location'
* option enabled and rotating also transforms it. */
TD_PBONE_LOCAL_MTX_P = 1 << 19,
/** Same as above but for a child bone. */
TD_PBONE_LOCAL_MTX_C = 1 << 20,
};
/* transsnap->status */
enum {
SNAP_FORCED = 1 << 0,
TARGET_INIT = 1 << 1,
POINT_INIT = 1 << 2,
MULTI_POINTS = 1 << 3,
};
/* 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(TransDataContainer *tc);
/*********************** transform_gizmo.c ********** */
#define GIZMO_AXIS_LINE_WIDTH 2.0f
/* return 0 when no gimbal for selection */
bool gimbal_axis(struct Object *ob, float gmat[3][3]);
void drawDial3d(const TransInfo *t);
/*********************** 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(struct Object *ob, const int mode, const short around, bool has_translate_rotate[2]);
/* Auto-keyframe applied after transform, returns true if motion paths need to be updated. */
void autokeyframe_object(
struct bContext *C, struct Scene *scene, struct ViewLayer *view_layer, struct Object *ob, int tmode);
void autokeyframe_pose(
struct bContext *C, struct Scene *scene, struct Object *ob, int tmode, short targetless_ik);
/* Test if we need to update motion paths for a given object. */
bool motionpath_need_update_object(struct Scene *scene, struct Object *ob);
bool motionpath_need_update_pose(struct Scene *scene, struct Object *ob);
/*********************** 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;
bool transformModeUseSnap(const TransInfo *t);
void snapGridIncrement(TransInfo *t, float *val);
void snapGridIncrementAction(TransInfo *t, float *val, GearsType action);
void snapSequenceBounds(TransInfo *t, const int mval[2]);
bool activeSnap(const TransInfo *t);
bool validSnap(const 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(const TransInfo *t);
bool validSnappingNormal(const TransInfo *t);
void getSnapPoint(const 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 setCustomPointsFromDirection(TransInfo *t, MouseInput *mi, const float dir[2]);
void setInputPostFct(MouseInput *mi, void (*post)(struct TransInfo *t, float values[3]));
/*********************** Generics ********************************/
void initTransDataContainers_FromObjectData(TransInfo *t, struct Object *obact, struct Object **objects, uint objects_len);
void initTransInfo(struct bContext *C, TransInfo *t, struct wmOperator *op, const struct wmEvent *event);
void freeTransCustomDataForMode(TransInfo *t);
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 calculateCenterLocal(TransInfo *t, const float 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(const TransInfo *t, const 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 TransformOrientation *ts, float r_mat[3][3], char r_name[64]);
enum {
ORIENTATION_NONE = 0,
ORIENTATION_NORMAL = 1,
ORIENTATION_VERT = 2,
ORIENTATION_EDGE = 3,
ORIENTATION_FACE = 4,
};
#define ORIENTATION_USE_PLANE(ty) \
ELEM(ty, ORIENTATION_NORMAL, ORIENTATION_EDGE, ORIENTATION_FACE)
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 freeCustomNormalArray(TransInfo *t, TransDataContainer *tc, TransCustomData *custom_data);
void freeEdgeSlideTempFaces(EdgeSlideData *sld);
void freeEdgeSlideVerts(TransInfo *t, TransDataContainer *tc, TransCustomData *custom_data);
void projectEdgeSlideData(TransInfo *t, bool is_final);
void freeVertSlideTempFaces(VertSlideData *sld);
void freeVertSlideVerts(TransInfo *t, TransDataContainer *tc, TransCustomData *custom_data);
void projectVertSlideData(TransInfo *t, bool is_final);
/* TODO. transform_query.c */
bool checkUseAxisMatrix(TransInfo *t);
#define TRANSFORM_SNAP_MAX_PX 100.0f
#define TRANSFORM_DIST_INVALID -FLT_MAX
/* Temp macros. */
#define TRANS_DATA_CONTAINER_FIRST_OK(t) (&(t)->data_container[0])
/* For cases we _know_ there is only one handle. */
#define TRANS_DATA_CONTAINER_FIRST_SINGLE(t) (BLI_assert((t)->data_container_len == 1), (&(t)->data_container[0]))
#define FOREACH_TRANS_DATA_CONTAINER(t, th) \
for (TransDataContainer *tc = t->data_container, *tc_end = t->data_container + t->data_container_len; \
th != tc_end; \
th++)
#define FOREACH_TRANS_DATA_CONTAINER_INDEX(t, th, i) \
for (TransDataContainer *tc = ((i = 0), t->data_container), *tc_end = t->data_container + t->data_container_len; \
th != tc_end; \
th++, i++)
#endif
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