Differential D12048 Diff 42379 source/blender/editors/transform/transform_snap.c

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source/blender/editors/transform/transform_snap.c

Show First 20 Lines • Show All 534 Lines • ▼ Show 20 Lines	static bool bm_face_is_snap_target(BMFace f, void UNUSED(user_data))

return true;		return true;
}		}

static void initSnappingMode(TransInfo *t)		static void initSnappingMode(TransInfo *t)
{		{
ToolSettings *ts = t->settings;		ToolSettings *ts = t->settings;
/* All obedit types will match. */		/* All obedit types will match. */
const int obedit_type = t->data_container->obedit ? t->data_container->obedit->type : -1;		const int obedit_type = t->obedit_type;
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	else {
if ((t->tsnap.mode & SCE_SNAP_MODE_INCREMENT) && (ts->snap_flag & SCE_SNAP_ABS_GRID) &&		if ((t->tsnap.mode & SCE_SNAP_MODE_INCREMENT) && (ts->snap_flag & SCE_SNAP_ABS_GRID) &&
(t->mode == TFM_TRANSLATION)) {		(t->mode == TFM_TRANSLATION)) {
/* Special case in which snap to increments is transformed to snap to grid. */		/* Special case in which snap to increments is transformed to snap to grid. */
t->tsnap.mode &= ~SCE_SNAP_MODE_INCREMENT;		t->tsnap.mode &= ~SCE_SNAP_MODE_INCREMENT;
t->tsnap.mode \|= SCE_SNAP_MODE_GRID;		t->tsnap.mode \|= SCE_SNAP_MODE_GRID;
}		}
}		}

if ((t->spacetype == SPACE_VIEW3D \|\| t->spacetype == SPACE_IMAGE) &&		if (ELEM(t->spacetype, SPACE_VIEW3D, SPACE_IMAGE) && !(t->options & CTX_CAMERA)) {
(t->options & CTX_CAMERA) == 0) {
/* Only 3D view or UV. */		/* Only 3D view or UV. */
/* Not with camera selected in camera view. */		/* Not with camera selected in camera view. */

setSnappingCallback(t);		setSnappingCallback(t);

if ((obedit_type != -1) &&		if (t->options & (CTX_GPENCIL_STROKES \| CTX_CURSOR \| CTX_OBMODE_XFORM_OBDATA)) {
		/* In "Edit Strokes" mode,
		* snap tool can perform snap to selected or active objects (see T49632)
		* TODO: perform self snap in gpencil_strokes.
		*
		* When we're moving the origins, allow snapping onto our own geometry (see T69132). */
		t->tsnap.modeSelect = SNAP_ALL;
		}
		else if ((obedit_type != -1) &&
ELEM(obedit_type, OB_MESH, OB_ARMATURE, OB_CURVE, OB_LATTICE, OB_MBALL)) {		ELEM(obedit_type, OB_MESH, OB_ARMATURE, OB_CURVE, OB_LATTICE, OB_MBALL)) {
/* Edit mode */		/* Edit mode */
/* Temporary limited to edit mode meshes, armature, curves, metaballs. */		/* Temporary limited to edit mode meshes, armature, curves, metaballs. */

if ((obedit_type == OB_MESH) && (t->flag & T_PROP_EDIT)) {		if ((obedit_type == OB_MESH) && (t->flag & T_PROP_EDIT)) {
/* Exclude editmesh if using proportional edit */		/* Exclude editmesh if using proportional 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;
}		}
}		}
else if ((obedit_type == -1) && base_act && base_act->object &&		else if ((obedit_type == -1) && base_act && base_act->object &&
(base_act->object->mode & OB_MODE_PARTICLE_EDIT)) {		(base_act->object->mode & OB_MODE_PARTICLE_EDIT)) {
/* Particles edit mode. */		/* Particles edit mode. */
t->tsnap.modeSelect = SNAP_ALL;		t->tsnap.modeSelect = SNAP_ALL;
}		}
else if (obedit_type == -1) {		else if (obedit_type == -1) {
/* Object mode */		/* Object mode */
if (t->options & (CTX_GPENCIL_STROKES \| CTX_CURSOR \| CTX_OBMODE_XFORM_OBDATA)) {
/* In "Edit Strokes" mode,
* snap tool can perform snap to selected or active objects (see T49632)
* TODO: perform self snap in gpencil_strokes.
*
* When we're moving the origins, allow snapping onto our own geometry (see T69132). */
t->tsnap.modeSelect = SNAP_ALL;
}
else {
t->tsnap.modeSelect = SNAP_NOT_SELECTED;		t->tsnap.modeSelect = SNAP_NOT_SELECTED;
}		}
}
else {		else {
/* Increment if snap is not possible */		/* Increment if snap is not possible */
t->tsnap.mode = SCE_SNAP_MODE_INCREMENT;		t->tsnap.mode = SCE_SNAP_MODE_INCREMENT;
}		}
}		}
else if (t->spacetype == SPACE_NODE) {		else if (t->spacetype == SPACE_NODE) {
setSnappingCallback(t);		setSnappingCallback(t);
t->tsnap.modeSelect = SNAP_NOT_SELECTED;		t->tsnap.modeSelect = SNAP_NOT_SELECTED;
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