Differential D3101 Diff 10385 source/blender/editors/transform/transform_snap.c

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source/blender/editors/transform/transform_snap.c

Show First 20 Lines • Show All 266 Lines • ▼ Show 20 Lines	#endif

return status;		return status;
}		}

void applyProject(TransInfo *t)		void applyProject(TransInfo *t)
{		{
/* XXX FLICKER IN OBJECT MODE */		/* XXX FLICKER IN OBJECT MODE */
if ((t->tsnap.project) && activeSnap(t) && (t->flag & T_NO_PROJECT) == 0) {		if ((t->tsnap.project) && activeSnap(t) && (t->flag & T_NO_PROJECT) == 0) {
TransData *td = t->data;
float tvec[3];		float tvec[3];
float imat[4][4];
int i;		int i;

		FOREACH_TRANS_DATA_CONTAINER(t, tc) {
		TransData *td = tc->data;

		float imat[4][4];
if (t->flag & (T_EDIT \| T_POSE)) {		if (t->flag & (T_EDIT \| T_POSE)) {
Object *ob = t->obedit ? t->obedit : t->poseobj;		Object *ob = tc->obedit ? tc->obedit : tc->poseobj;
invert_m4_m4(imat, ob->obmat);		invert_m4_m4(imat, ob->obmat);
}		}

for (i = 0; i < t->total; i++, td++) {		for (i = 0; i < tc->data_len; i++, td++) {
float iloc[3], loc[3], no[3];		float iloc[3], loc[3], no[3];
float mval_fl[2];		float mval_fl[2];
float dist_px = TRANSFORM_DIST_MAX_PX;		float dist_px = TRANSFORM_DIST_MAX_PX;

if (td->flag & TD_NOACTION)		if (td->flag & TD_NOACTION)
break;		break;

if (td->flag & TD_SKIP)		if (td->flag & TD_SKIP)
continue;		continue;

if ((t->flag & T_PROP_EDIT) && (td->factor == 0.0f))		if ((t->flag & T_PROP_EDIT) && (td->factor == 0.0f))
continue;		continue;

copy_v3_v3(iloc, td->loc);		copy_v3_v3(iloc, td->loc);
if (t->flag & (T_EDIT \| T_POSE)) {		if (t->flag & (T_EDIT \| T_POSE)) {
Object *ob = t->obedit ? t->obedit : t->poseobj;		Object *ob = tc->obedit ? tc->obedit : tc->poseobj;
mul_m4_v3(ob->obmat, iloc);		mul_m4_v3(ob->obmat, iloc);
}		}
else if (t->flag & T_OBJECT) {		else if (t->flag & T_OBJECT) {
BKE_object_eval_transform_all(G.main->eval_ctx, t->scene, td->ob);		BKE_object_eval_transform_all(G.main->eval_ctx, t->scene, td->ob);
copy_v3_v3(iloc, td->ob->obmat[3]);		copy_v3_v3(iloc, td->ob->obmat[3]);
}		}

if (ED_view3d_project_float_global(t->ar, iloc, mval_fl, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) {		if (ED_view3d_project_float_global(t->ar, iloc, mval_fl, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) {
Show All 25 Lines	// }

/* TODO support constraints for rotation too? see ElementRotation */		/* TODO support constraints for rotation too? see ElementRotation */
}		}
}		}
}		}

//XXX constraintTransLim(t, td);		//XXX constraintTransLim(t, td);
}		}
		} // FIXME(indent)
}		}
}		}

void applyGridAbsolute(TransInfo *t)		void applyGridAbsolute(TransInfo *t)
{		{
float grid_size = 0.0f;		float grid_size = 0.0f;
GearsType grid_action;		GearsType grid_action;
TransData *td;
float (*obmat)[4] = NULL;		float (*obmat)[4] = NULL;
bool use_obmat = false;		bool use_obmat = false;
int i;		int i;

if (!(activeSnap(t) && (ELEM(t->tsnap.mode, SCE_SNAP_MODE_INCREMENT, SCE_SNAP_MODE_GRID))))		if (!(activeSnap(t) && (ELEM(t->tsnap.mode, SCE_SNAP_MODE_INCREMENT, SCE_SNAP_MODE_GRID))))
return;		return;

grid_action = BIG_GEARS;		grid_action = BIG_GEARS;
if (t->modifiers & MOD_PRECISION)		if (t->modifiers & MOD_PRECISION)
grid_action = SMALL_GEARS;		grid_action = SMALL_GEARS;

switch (grid_action) {		switch (grid_action) {
case NO_GEARS: grid_size = t->snap_spatial[0]; break;		case NO_GEARS: grid_size = t->snap_spatial[0]; break;
case BIG_GEARS: grid_size = t->snap_spatial[1]; break;		case BIG_GEARS: grid_size = t->snap_spatial[1]; break;
case SMALL_GEARS: grid_size = t->snap_spatial[2]; break;		case SMALL_GEARS: grid_size = t->snap_spatial[2]; break;
}		}
/* early exit on unusable grid size */		/* early exit on unusable grid size */
if (grid_size == 0.0f)		if (grid_size == 0.0f)
return;		return;

		FOREACH_TRANS_DATA_CONTAINER(t, tc) {
		TransData *td;

if (t->flag & (T_EDIT \| T_POSE)) {		if (t->flag & (T_EDIT \| T_POSE)) {
Object *ob = t->obedit ? t->obedit : t->poseobj;		Object *ob = tc->obedit ? tc->obedit : tc->poseobj;
obmat = ob->obmat;		obmat = ob->obmat;
use_obmat = true;		use_obmat = true;
}		}

for (i = 0, td = t->data; i < t->total; i++, td++) {		for (i = 0, td = tc->data; i < tc->data_len; i++, td++) {
float iloc[3], loc[3], tvec[3];		float iloc[3], loc[3], tvec[3];

if (td->flag & TD_NOACTION)		if (td->flag & TD_NOACTION)
break;		break;

if (td->flag & TD_SKIP)		if (td->flag & TD_SKIP)
continue;		continue;

Show All 14 Lines	for (i = 0, td = tc->data; i < tc->data_len; i++, td++) {
loc[1] = roundf(loc[1]);		loc[1] = roundf(loc[1]);
loc[2] = roundf(loc[2]);		loc[2] = roundf(loc[2]);
mul_v3_fl(loc, grid_size);		mul_v3_fl(loc, grid_size);

sub_v3_v3v3(tvec, loc, iloc);		sub_v3_v3v3(tvec, loc, iloc);
mul_m3_v3(td->smtx, tvec);		mul_m3_v3(td->smtx, tvec);
add_v3_v3(td->loc, tvec);		add_v3_v3(td->loc, tvec);
}		}
		} // FIXME(indent)
}		}

void applySnapping(TransInfo t, float vec)		void applySnapping(TransInfo t, float vec)
{		{
/* project is not applied this way */		/* project is not applied this way */
if (t->tsnap.project)		if (t->tsnap.project)
return;		return;

▲ Show 20 Lines • Show All 80 Lines • ▼ Show 20 Lines	static bool bm_face_is_snap_target(BMFace f, void UNUSED(user_data))
} while ((l_iter = l_iter->next) != l_first);		} while ((l_iter = l_iter->next) != l_first);

return true;		return true;
}		}

static void initSnappingMode(TransInfo *t)		static void initSnappingMode(TransInfo *t)
{		{
ToolSettings *ts = t->settings;		ToolSettings *ts = t->settings;
Object *obedit = t->obedit;		/* All obedit types will match. */
		const int obedit_type = t->data_container->obedit ? t->data_container->obedit->type : -1;
ViewLayer *view_layer = t->view_layer;		ViewLayer *view_layer = t->view_layer;
Base *base_act = view_layer->basact;		Base *base_act = view_layer->basact;

if (t->spacetype == SPACE_NODE) {		if (t->spacetype == SPACE_NODE) {
/* force project off when not supported */		/* force project off when not supported */
t->tsnap.project = 0;		t->tsnap.project = 0;

t->tsnap.mode = ts->snap_node_mode;		t->tsnap.mode = ts->snap_node_mode;
Show All 14 Lines	static void initSnappingMode(TransInfo *t)

if ((t->spacetype == SPACE_VIEW3D \|\| t->spacetype == SPACE_IMAGE) && /* Only 3D view or UV */		if ((t->spacetype == SPACE_VIEW3D \|\| t->spacetype == SPACE_IMAGE) && /* Only 3D view or UV */
(t->flag & T_CAMERA) == 0) /* Not with camera selected in camera view */		(t->flag & T_CAMERA) == 0) /* Not with camera selected in camera view */
{		{
setSnappingCallback(t);		setSnappingCallback(t);

/* Edit mode */		/* Edit mode */
if (t->tsnap.applySnap != NULL && // A snapping function actually exist		if (t->tsnap.applySnap != NULL && // A snapping function actually exist
(obedit != NULL && ELEM(obedit->type, OB_MESH, OB_ARMATURE, OB_CURVE, OB_LATTICE, OB_MBALL)) ) // Temporary limited to edit mode meshes, armature, curves, mballs		((obedit_type != -1) && ELEM(obedit_type, OB_MESH, OB_ARMATURE, OB_CURVE, OB_LATTICE, OB_MBALL)) ) // Temporary limited to edit mode meshes, armature, curves, mballs
{		{
/* Exclude editmesh if using proportional edit */		/* Exclude editmesh if using proportional edit */
if ((obedit->type == OB_MESH) && (t->flag & T_PROP_EDIT)) {		if ((obedit_type == OB_MESH) && (t->flag & T_PROP_EDIT)) {
t->tsnap.modeSelect = SNAP_NOT_ACTIVE;		t->tsnap.modeSelect = SNAP_NOT_ACTIVE;
}		}
else {		else {
t->tsnap.modeSelect = t->tsnap.snap_self ? SNAP_ALL : SNAP_NOT_ACTIVE;		t->tsnap.modeSelect = t->tsnap.snap_self ? SNAP_ALL : SNAP_NOT_ACTIVE;
}		}
}		}
/* Particles edit mode*/		/* Particles edit mode*/
else if (t->tsnap.applySnap != NULL && // A snapping function actually exist		else if (t->tsnap.applySnap != NULL && // A snapping function actually exist
(obedit == NULL && base_act && base_act->object && base_act->object->mode & OB_MODE_PARTICLE_EDIT))		((obedit_type == -1) && base_act && base_act->object && base_act->object->mode & OB_MODE_PARTICLE_EDIT))
{		{
t->tsnap.modeSelect = SNAP_ALL;		t->tsnap.modeSelect = SNAP_ALL;
}		}
/* Object mode */		/* Object mode */
else if (t->tsnap.applySnap != NULL && // A snapping function actually exist		else if (t->tsnap.applySnap != NULL && // A snapping function actually exist
(obedit == NULL) ) // Object Mode		(obedit_type == -1) ) // Object Mode
{		{
/* In "Edit Strokes" mode, Snap tool can perform snap to selected or active objects (see T49632)		/* In "Edit Strokes" mode, Snap tool can perform snap to selected or active objects (see T49632)
* TODO: perform self snap in gpencil_strokes */		* TODO: perform self snap in gpencil_strokes */
t->tsnap.modeSelect = ((t->options & CTX_GPENCIL_STROKES) != 0) ? SNAP_ALL : SNAP_NOT_SELECTED;		t->tsnap.modeSelect = ((t->options & CTX_GPENCIL_STROKES) != 0) ? SNAP_ALL : SNAP_NOT_SELECTED;
}		}
else {		else {
/* Grid if snap is not possible */		/* Grid if snap is not possible */
t->tsnap.mode = SCE_SNAP_MODE_INCREMENT;		t->tsnap.mode = SCE_SNAP_MODE_INCREMENT;
▲ Show 20 Lines • Show All 297 Lines • ▼ Show 20 Lines

/******************** DISTANCE ************************/		/******************** DISTANCE ************************/

static float TranslationBetween(TransInfo *UNUSED(t), const float p1[3], const float p2[3])		static float TranslationBetween(TransInfo *UNUSED(t), const float p1[3], const float p2[3])
{		{
return len_squared_v3v3(p1, p2);		return len_squared_v3v3(p1, p2);
}		}

static float RotationBetween(TransInfo *t, const float p1[3], const float p2[3])		static float RotationBetween(
		TransInfo *t, const float p1[3], const float p2[3])
{		{
float angle, start[3], end[3];		float angle, start[3], end[3];

sub_v3_v3v3(start, p1, t->center_global);		sub_v3_v3v3(start, p1, t->center_global);
sub_v3_v3v3(end, p2, t->center_global);		sub_v3_v3v3(end, p2, t->center_global);

// Angle around a constraint axis (error prone, will need debug)		// Angle around a constraint axis (error prone, will need debug)
if (t->con.applyRot != NULL && (t->con.mode & CON_APPLY)) {		if (t->con.applyRot != NULL && (t->con.mode & CON_APPLY)) {
float axis[3], tmp[3];		float axis[3], tmp[3];

t->con.applyRot(t, NULL, axis, NULL);		t->con.applyRot(t, NULL, NULL, axis, NULL);

project_v3_v3v3(tmp, end, axis);		project_v3_v3v3(tmp, end, axis);
sub_v3_v3v3(end, end, tmp);		sub_v3_v3v3(end, end, tmp);

project_v3_v3v3(tmp, start, axis);		project_v3_v3v3(tmp, start, axis);
sub_v3_v3v3(start, start, tmp);		sub_v3_v3v3(start, start, tmp);

normalize_v3(end);		normalize_v3(end);
▲ Show 20 Lines • Show All 86 Lines • ▼ Show 20 Lines	if (found == true) {
copy_v3_v3(t->tsnap.snapNormal, no);		copy_v3_v3(t->tsnap.snapNormal, no);

t->tsnap.status \|= POINT_INIT;		t->tsnap.status \|= POINT_INIT;
}		}
else {		else {
t->tsnap.status &= ~POINT_INIT;		t->tsnap.status &= ~POINT_INIT;
}		}
}		}
else if (t->spacetype == SPACE_IMAGE && t->obedit != NULL && t->obedit->type == OB_MESH) {		else if (t->spacetype == SPACE_IMAGE && t->obedit_type == OB_MESH) {
/* same as above but for UV's */		/* same as above but for UV's */
Image *ima = ED_space_image(t->sa->spacedata.first);		Image *ima = ED_space_image(t->sa->spacedata.first);
float co[2];		float co[2];

UI_view2d_region_to_view(&t->ar->v2d, t->mval[0], t->mval[1], &co[0], &co[1]);		UI_view2d_region_to_view(&t->ar->v2d, t->mval[0], t->mval[1], &co[0], &co[1]);

if (ED_uvedit_nearest_uv(t->scene, t->obedit, ima, co, t->tsnap.snapPoint)) {		if (ED_uvedit_nearest_uv(t->scene, TRANS_DATA_CONTAINER_FIRST_EVIL(t)->obedit, ima, co, t->tsnap.snapPoint)) {
t->tsnap.snapPoint[0] *= t->aspect[0];		t->tsnap.snapPoint[0] *= t->aspect[0];
t->tsnap.snapPoint[1] *= t->aspect[1];		t->tsnap.snapPoint[1] *= t->aspect[1];

t->tsnap.status \|= POINT_INIT;		t->tsnap.status \|= POINT_INIT;
}		}
else {		else {
t->tsnap.status &= ~POINT_INIT;		t->tsnap.status &= ~POINT_INIT;
}		}
▲ Show 20 Lines • Show All 58 Lines • ▼ Show 20 Lines	static void TargetSnapCenter(TransInfo *t)
}		}
}		}

static void TargetSnapActive(TransInfo *t)		static void TargetSnapActive(TransInfo *t)
{		{
/* Only need to calculate once */		/* Only need to calculate once */
if ((t->tsnap.status & TARGET_INIT) == 0) {		if ((t->tsnap.status & TARGET_INIT) == 0) {
if (calculateCenterActive(t, true, t->tsnap.snapTarget)) {		if (calculateCenterActive(t, true, t->tsnap.snapTarget)) {
if (t->flag & (T_EDIT \| T_POSE)) {
Object *ob = t->obedit ? t->obedit : t->poseobj;
mul_m4_v3(ob->obmat, t->tsnap.snapTarget);
}

TargetSnapOffset(t, NULL);		TargetSnapOffset(t, NULL);

t->tsnap.status \|= TARGET_INIT;		t->tsnap.status \|= TARGET_INIT;
}		}
/* No active, default to median */		/* No active, default to median */
else {		else {
t->tsnap.target = SCE_SNAP_TARGET_MEDIAN;		t->tsnap.target = SCE_SNAP_TARGET_MEDIAN;
t->tsnap.targetSnap = TargetSnapMedian;		t->tsnap.targetSnap = TargetSnapMedian;
TargetSnapMedian(t);		TargetSnapMedian(t);
}		}
}		}
}		}

static void TargetSnapMedian(TransInfo *t)		static void TargetSnapMedian(TransInfo *t)
{		{
// Only need to calculate once		// Only need to calculate once
if ((t->tsnap.status & TARGET_INIT) == 0) {		if ((t->tsnap.status & TARGET_INIT) == 0) {
TransData *td = NULL;		int i_accum = 0;
int i;

t->tsnap.snapTarget[0] = 0;		t->tsnap.snapTarget[0] = 0;
t->tsnap.snapTarget[1] = 0;		t->tsnap.snapTarget[1] = 0;
t->tsnap.snapTarget[2] = 0;		t->tsnap.snapTarget[2] = 0;

for (td = t->data, i = 0; i < t->total && td->flag & TD_SELECTED; i++, td++) {		FOREACH_TRANS_DATA_CONTAINER (t, tc) {
		Object *ob_xform = NULL;
		if (t->flag & (T_EDIT \| T_POSE)) {
		ob_xform = tc->obedit ? tc->obedit : tc->poseobj;
		}
		TransData *td = tc->data;
		int i;
		for (i = 0; i < tc->data_len && td->flag & TD_SELECTED; i++, td++) {
		/* TODO(campbell): perform the global transformation once per TransDataContainer */
		if (ob_xform) {
		float v[3];
		mul_v3_m4v3(v, ob_xform->obmat, td->center);
		add_v3_v3(t->tsnap.snapTarget, v);
		}
		else {
add_v3_v3(t->tsnap.snapTarget, td->center);		add_v3_v3(t->tsnap.snapTarget, td->center);
}		}

mul_v3_fl(t->tsnap.snapTarget, 1.0 / i);

if (t->flag & (T_EDIT \| T_POSE)) {
Object *ob = t->obedit ? t->obedit : t->poseobj;
mul_m4_v3(ob->obmat, t->tsnap.snapTarget);
}		}
		i_accum += i;
		}

		mul_v3_fl(t->tsnap.snapTarget, 1.0 / i_accum);

TargetSnapOffset(t, NULL);		TargetSnapOffset(t, NULL);

t->tsnap.status \|= TARGET_INIT;		t->tsnap.status \|= TARGET_INIT;
}		}
}		}

static void TargetSnapClosest(TransInfo *t)		static void TargetSnapClosest(TransInfo *t)
{		{
// Only valid if a snap point has been selected		// Only valid if a snap point has been selected
if (t->tsnap.status & POINT_INIT) {		if (t->tsnap.status & POINT_INIT) {
float dist_closest = 0.0f;		float dist_closest = 0.0f;
TransData closest = NULL, td = NULL;		TransData *closest = NULL;

/* Object mode */		/* Object mode */
if (t->flag & T_OBJECT) {		if (t->flag & T_OBJECT) {
int i;		int i;
for (td = t->data, i = 0; i < t->total && td->flag & TD_SELECTED; i++, td++) {		FOREACH_TRANS_DATA_CONTAINER(t, tc) {
		TransData *td = tc->data;
		for (td = tc->data, i = 0; i < tc->data_len && td->flag & TD_SELECTED; i++, td++) {
struct BoundBox *bb = BKE_object_boundbox_get(td->ob);		struct BoundBox *bb = BKE_object_boundbox_get(td->ob);

/* use boundbox if possible */		/* use boundbox if possible */
if (bb) {		if (bb) {
int j;		int j;

for (j = 0; j < 8; j++) {		for (j = 0; j < 8; j++) {
float loc[3];		float loc[3];
Show All 25 Lines	if (t->flag & T_OBJECT) {
if ((dist != TRANSFORM_DIST_INVALID) &&		if ((dist != TRANSFORM_DIST_INVALID) &&
(closest == NULL \|\| fabsf(dist) < fabsf(dist_closest)))		(closest == NULL \|\| fabsf(dist) < fabsf(dist_closest)))
{		{
copy_v3_v3(t->tsnap.snapTarget, loc);		copy_v3_v3(t->tsnap.snapTarget, loc);
closest = td;		closest = td;
}		}
}		}
}		}
		} // FIXME(indent)
}		}
else {		else {
		FOREACH_TRANS_DATA_CONTAINER(t, tc) {
		TransData *td = tc->data;
int i;		int i;
for (td = t->data, i = 0; i < t->total && td->flag & TD_SELECTED; i++, td++) {		for (i = 0; i < tc->data_len && td->flag & TD_SELECTED; i++, td++) {
float loc[3];		float loc[3];
float dist;		float dist;

copy_v3_v3(loc, td->center);		copy_v3_v3(loc, td->center);

if (t->flag & (T_EDIT \| T_POSE)) {		if (t->flag & (T_EDIT \| T_POSE)) {
Object *ob = t->obedit ? t->obedit : t->poseobj;		Object *ob = tc->obedit ? tc->obedit : tc->poseobj;
mul_m4_v3(ob->obmat, loc);		mul_m4_v3(ob->obmat, loc);
}		}

dist = t->tsnap.distance(t, loc, t->tsnap.snapPoint);		dist = t->tsnap.distance(t, loc, t->tsnap.snapPoint);

if ((dist != TRANSFORM_DIST_INVALID) &&		if ((dist != TRANSFORM_DIST_INVALID) &&
(closest == NULL \|\| fabsf(dist) < fabsf(dist_closest)))		(closest == NULL \|\| fabsf(dist) < fabsf(dist_closest)))
{		{
copy_v3_v3(t->tsnap.snapTarget, loc);		copy_v3_v3(t->tsnap.snapTarget, loc);
closest = td;		closest = td;
dist_closest = dist;		dist_closest = dist;
}		}
}		}
		} // FIXME(indent)
}		}

TargetSnapOffset(t, closest);		TargetSnapOffset(t, closest);

t->tsnap.status \|= TARGET_INIT;		t->tsnap.status \|= TARGET_INIT;
}		}
}		}

▲ Show 20 Lines • Show All 332 Lines • Show Last 20 Lines