Differential D15406 Diff 53444 source/blender/editors/transform/transform_snap_object.cc

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source/blender/editors/transform/transform_snap_object.cc

Show First 20 Lines • Show All 1,019 Lines • ▼ Show 20 Lines	static void raycast_obj_fn(SnapObjectContext *sctx,
void *data)		void *data)
{		{
RaycastObjUserData dt = static_cast<RaycastObjUserData >(data);		RaycastObjUserData dt = static_cast<RaycastObjUserData >(data);
const uint ob_index = dt->ob_index++;		const uint ob_index = dt->ob_index++;
bool use_occlusion_test = dt->use_occlusion_test;		bool use_occlusion_test = dt->use_occlusion_test;
/* read/write args */		/* read/write args */
float *ray_depth = dt->ray_depth;		float *ray_depth = dt->ray_depth;

		const bool use_retopo_mode = (params->snap_target_select & SCE_SNAP_TARGET_RETOPOLOGY_MODE);
		const bool is_object_edited = BKE_object_is_in_editmode(ob_eval);
		if (use_retopo_mode && is_object_edited) {
		return;
		}

bool retval = false;		bool retval = false;
if (use_occlusion_test) {		if (use_occlusion_test) {
if (ELEM(ob_eval->dt, OB_BOUNDBOX, OB_WIRE)) {		if (ELEM(ob_eval->dt, OB_BOUNDBOX, OB_WIRE)) {
/* Do not hit objects that are in wire or bounding box		/* Do not hit objects that are in wire or bounding box
* display mode. */		* display mode. */
return;		return;
}		}
}		}
▲ Show 20 Lines • Show All 232 Lines • ▼ Show 20 Lines	static bool nearest_world_tree(SnapObjectContext *UNUSED(sctx),

float dist_sq;		float dist_sq;
if (params->keep_on_same_target) {		if (params->keep_on_same_target) {
nearest_world_tree_co(		nearest_world_tree_co(
tree, nearest_cb, treedata, init_co_local, nullptr, nullptr, nullptr, &dist_sq);		tree, nearest_cb, treedata, init_co_local, nullptr, nullptr, nullptr, &dist_sq);
}		}
else {		else {
/* NOTE: when `params->face_nearest_steps == 1`, the return variables of function below contain		/* NOTE: when `params->face_nearest_steps == 1`, the return variables of function below contain
* the answer. We could return immediately after updating r_loc, r_no, r_index, but that would		* the answer. We could return immediately after updating `r_loc`, `r_no`, `r_index`, but that
* also complicate the code. Foregoing slight optimization for code clarity. */		* would also complicate the code. Foregoing slight optimization for code clarity. */
nearest_world_tree_co(		nearest_world_tree_co(
tree, nearest_cb, treedata, curr_co_local, nullptr, nullptr, nullptr, &dist_sq);		tree, nearest_cb, treedata, curr_co_local, nullptr, nullptr, nullptr, &dist_sq);
}		}
if (*r_dist_sq <= dist_sq) {		if (*r_dist_sq <= dist_sq) {
return false;		return false;
}		}
*r_dist_sq = dist_sq;		*r_dist_sq = dist_sq;

▲ Show 20 Lines • Show All 93 Lines • ▼ Show 20 Lines	static void nearest_world_object_fn(SnapObjectContext *sctx,
const struct SnapObjectParams *params,		const struct SnapObjectParams *params,
Object *ob_eval,		Object *ob_eval,
const float obmat[4][4],		const float obmat[4][4],
bool is_object_active,		bool is_object_active,
void *data)		void *data)
{		{
struct NearestWorldObjUserData dt = static_cast<NearestWorldObjUserData >(data);		struct NearestWorldObjUserData dt = static_cast<NearestWorldObjUserData >(data);

		const bool use_retopo_mode = (params->snap_target_select & SCE_SNAP_TARGET_RETOPOLOGY_MODE);
		const bool is_object_edited = BKE_object_is_in_editmode(ob_eval);
		if (use_retopo_mode && is_object_edited) {
		return;
		}

bool retval = false;		bool retval = false;
switch (ob_eval->type) {		switch (ob_eval->type) {
case OB_MESH: {		case OB_MESH: {
const eSnapEditType edit_mode_type = params->edit_mode_type;		const eSnapEditType edit_mode_type = params->edit_mode_type;
bool use_hide = false;		bool use_hide = false;
const Mesh *me_eval = mesh_for_snap(ob_eval, edit_mode_type, &use_hide);		const Mesh *me_eval = mesh_for_snap(ob_eval, edit_mode_type, &use_hide);
if (me_eval) {		if (me_eval) {
retval = nearest_world_mesh(sctx,		retval = nearest_world_mesh(sctx,
▲ Show 20 Lines • Show All 1,655 Lines • ▼ Show 20 Lines	static void snap_obj_fn(SnapObjectContext *sctx,
Object *ob_eval,		Object *ob_eval,
const float obmat[4][4],		const float obmat[4][4],
bool is_object_active,		bool is_object_active,
void *data)		void *data)
{		{
SnapObjUserData dt = static_cast<SnapObjUserData >(data);		SnapObjUserData dt = static_cast<SnapObjUserData >(data);
eSnapMode retval = SCE_SNAP_MODE_NONE;		eSnapMode retval = SCE_SNAP_MODE_NONE;

		const bool use_retopo_mode = (params->snap_target_select & SCE_SNAP_TARGET_RETOPOLOGY_MODE);
		const bool is_object_edited = BKE_object_is_in_editmode(ob_eval);
		if (use_retopo_mode && !is_object_edited) {
		return;
		}

switch (ob_eval->type) {		switch (ob_eval->type) {
case OB_MESH: {		case OB_MESH: {
const eSnapEditType edit_mode_type = params->edit_mode_type;		const eSnapEditType edit_mode_type = params->edit_mode_type;
bool use_hide;		bool use_hide;
const Mesh *me_eval = mesh_for_snap(ob_eval, edit_mode_type, &use_hide);		const Mesh *me_eval = mesh_for_snap(ob_eval, edit_mode_type, &use_hide);
if (me_eval == nullptr) {		if (me_eval == nullptr) {
BMEditMesh *em = BKE_editmesh_from_object(ob_eval);		BMEditMesh *em = BKE_editmesh_from_object(ob_eval);
if (UNLIKELY(!em)) { /* See #mesh_for_snap doc-string. */		if (UNLIKELY(!em)) { /* See #mesh_for_snap doc-string. */
▲ Show 20 Lines • Show All 313 Lines • ▼ Show 20 Lines	static eSnapMode transform_snap_context_project_view3d_mixed_impl(SnapObjectContext *sctx,
Object **r_ob,		Object **r_ob,
float r_obmat[4][4],		float r_obmat[4][4],
float r_face_nor[3])		float r_face_nor[3])
{		{
sctx->runtime.depsgraph = depsgraph;		sctx->runtime.depsgraph = depsgraph;
sctx->runtime.region = region;		sctx->runtime.region = region;
sctx->runtime.v3d = v3d;		sctx->runtime.v3d = v3d;

BLI_assert((snap_to_flag & SCE_SNAP_MODE_GEOM) != 0);		if ((snap_to_flag & SCE_SNAP_MODE_GEOM) == 0) {
		return SCE_SNAP_MODE_NONE;
		}

eSnapMode retval = SCE_SNAP_MODE_NONE;		eSnapMode retval = SCE_SNAP_MODE_NONE;

bool has_hit = false;		bool has_hit = false;
Object *ob_eval = nullptr;		Object *ob_eval = nullptr;
		Object *ob_ray = nullptr;
float loc[3];		float loc[3];
/* Not all snapping callbacks set the normal,		/* Not all snapping callbacks set the normal,
* initialize this since any hit copies both the `loc` and `no`. */		* initialize this since any hit copies both the `loc` and `no`. */
float no[3] = {0.0f, 0.0f, 0.0f};		float no[3] = {0.0f, 0.0f, 0.0f};
float obmat[4][4];		float obmat[4][4];
		float obmat_ray[4][4];
int index = -1;		int index = -1;

const RegionView3D rv3d = static_cast<RegionView3D >(region->regiondata);		const RegionView3D rv3d = static_cast<RegionView3D >(region->regiondata);

bool use_occlusion_test = params->use_occlusion_test && !XRAY_ENABLED(v3d);		const bool use_retopo_mode = (params->snap_target_select & SCE_SNAP_TARGET_RETOPOLOGY_MODE);
		const bool use_occlusion_test = params->use_occlusion_test && !XRAY_ENABLED(v3d);
/* Note: if both face raycast and face nearest are enabled, first find result of nearest, then
* override with raycast. */
if ((snap_to_flag & SCE_SNAP_MODE_FACE_NEAREST) && !has_hit) {
has_hit = nearestWorldObjects(
sctx, params, init_co, prev_co, loc, no, &index, &ob_eval, obmat);

if (has_hit) {
retval = SCE_SNAP_MODE_FACE_NEAREST;

copy_v3_v3(r_loc, loc);
if (r_no) {
copy_v3_v3(r_no, no);
}
if (r_ob) {
*r_ob = ob_eval;
}
if (r_obmat) {
copy_m4_m4(r_obmat, obmat);
}
if (r_index) {
*r_index = index;
}
}
}

if (snap_to_flag & SCE_SNAP_MODE_FACE_RAYCAST \|\| use_occlusion_test) {		if (snap_to_flag & SCE_SNAP_MODE_FACE_RAYCAST \|\| use_occlusion_test) {
float ray_start[3], ray_normal[3];		float ray_start[3], ray_normal[3];
if (!ED_view3d_win_to_ray_clipped_ex(		if (!ED_view3d_win_to_ray_clipped_ex(
depsgraph, region, v3d, mval, nullptr, ray_normal, ray_start, true)) {		depsgraph, region, v3d, mval, nullptr, ray_normal, ray_start, true)) {
return retval;		return retval;
}		}

float dummy_ray_depth = BVH_RAYCAST_DIST_MAX;		float dummy_ray_depth = BVH_RAYCAST_DIST_MAX;

has_hit = raycastObjects(sctx,		has_hit = raycastObjects(sctx,
params,		params,
ray_start,		ray_start,
ray_normal,		ray_normal,
&dummy_ray_depth,		&dummy_ray_depth,
loc,		loc,
no,		no,
&index,		&index,
&ob_eval,		&ob_ray,
obmat,		obmat_ray,
nullptr);		nullptr);

if (has_hit) {		if (has_hit) {
if (r_face_nor) {		if (r_face_nor) {
copy_v3_v3(r_face_nor, no);		copy_v3_v3(r_face_nor, no);
}		}

if ((snap_to_flag & SCE_SNAP_MODE_FACE_RAYCAST)) {		if ((snap_to_flag & SCE_SNAP_MODE_FACE_RAYCAST)) {
		/* Record snap results only if face raycast snapping mode is enabled. */
retval = SCE_SNAP_MODE_FACE_RAYCAST;		retval = SCE_SNAP_MODE_FACE_RAYCAST;

copy_v3_v3(r_loc, loc);		copy_v3_v3(r_loc, loc);
if (r_no) {		if (r_no) {
copy_v3_v3(r_no, no);		copy_v3_v3(r_no, no);
}		}
if (r_ob) {		if (r_ob) {
*r_ob = ob_eval;		*r_ob = ob_ray;
}		}
if (r_obmat) {		if (r_obmat) {
copy_m4_m4(r_obmat, obmat);		copy_m4_m4(r_obmat, obmat_ray);
}		}
if (r_index) {		if (r_index) {
*r_index = index;		*r_index = index;
}		}
}		}
		if (use_occlusion_test && !use_retopo_mode) {
		ob_eval = ob_ray;
		copy_m4_m4(obmat, obmat_ray);
		}
}		}
}		}

if (snap_to_flag & (SCE_SNAP_MODE_VERTEX \| SCE_SNAP_MODE_EDGE \| SCE_SNAP_MODE_EDGE_MIDPOINT \|		if (snap_to_flag & (SCE_SNAP_MODE_VERTEX \| SCE_SNAP_MODE_EDGE \| SCE_SNAP_MODE_EDGE_MIDPOINT \|
SCE_SNAP_MODE_EDGE_PERPENDICULAR)) {		SCE_SNAP_MODE_EDGE_PERPENDICULAR)) {
eSnapMode elem_test, elem = SCE_SNAP_MODE_NONE;		eSnapMode elem_test, elem = SCE_SNAP_MODE_NONE;
float dist_px_tmp = *dist_px;		float dist_px_tmp = *dist_px;

Show All 18 Lines	planes_from_projmat(sctx->runtime.pmat,
nullptr,		nullptr,
sctx->runtime.clip_plane[0],		sctx->runtime.clip_plane[0],
sctx->runtime.clip_plane[1]);		sctx->runtime.clip_plane[1]);

sctx->runtime.clip_plane_len = 2;		sctx->runtime.clip_plane_len = 2;
sctx->runtime.has_occlusion_plane = false;		sctx->runtime.has_occlusion_plane = false;

/* By convention we only snap to the original elements of a curve. */		/* By convention we only snap to the original elements of a curve. */
if (has_hit && ob_eval->type != OB_CURVES_LEGACY) {		if (has_hit && ob_ray->type != OB_CURVES_LEGACY) {
/* Compute the new clip_pane but do not add it yet. */		/* Compute the new clip_pane but do not add it yet. */
float new_clipplane[4];		float new_clipplane[4];
BLI_ASSERT_UNIT_V3(no);		BLI_ASSERT_UNIT_V3(no);
plane_from_point_normal_v3(new_clipplane, loc, no);		plane_from_point_normal_v3(new_clipplane, loc, no);
if (dot_v3v3(sctx->runtime.clip_plane[0], new_clipplane) > 0.0f) {		if (dot_v3v3(sctx->runtime.clip_plane[0], new_clipplane) > 0.0f) {
/* The plane is facing the wrong direction. */		/* The plane is facing the wrong direction. */
negate_v4(new_clipplane);		negate_v4(new_clipplane);
}		}

/* Small offset to simulate a kind of volume for edges and vertices. */		/* Small offset to simulate a kind of volume for edges and vertices. */
new_clipplane[3] += 0.01f;		new_clipplane[3] += 0.01f;

/* Try to snap only to the polygon. */		/* Try to snap only to the polygon. */
elem_test = snap_mesh_polygon(sctx, params, ob_eval, obmat, &dist_px_tmp, loc, no, &index);		elem_test = snap_mesh_polygon(
if (elem_test) {		sctx, params, ob_ray, obmat_ray, &dist_px_tmp, loc, no, &index);
		if (elem_test && !use_retopo_mode) {
elem = elem_test;		elem = elem_test;
}		}

/* Add the new clip plane to the beginning of the list. */		/* Add the new clip plane to the beginning of the list. */
for (int i = sctx->runtime.clip_plane_len; i != 0; i--) {		for (int i = sctx->runtime.clip_plane_len; i != 0; i--) {
copy_v4_v4(sctx->runtime.clip_plane[i], sctx->runtime.clip_plane[i - 1]);		copy_v4_v4(sctx->runtime.clip_plane[i], sctx->runtime.clip_plane[i - 1]);
}		}
copy_v4_v4(sctx->runtime.clip_plane[0], new_clipplane);		copy_v4_v4(sctx->runtime.clip_plane[0], new_clipplane);
Show All 30 Lines	if (elem & snap_to_flag) {
if (r_index) {		if (r_index) {
*r_index = index;		*r_index = index;
}		}

*dist_px = dist_px_tmp;		*dist_px = dist_px_tmp;
}		}
}		}

		/* Note: Perform face nearest snapping only if no other method snapped source geometry. */
		if ((snap_to_flag & SCE_SNAP_MODE_FACE_NEAREST) && !has_hit) {
		has_hit = nearestWorldObjects(
		sctx, params, init_co, prev_co, loc, no, &index, &ob_eval, obmat);

		if (has_hit) {
		retval = SCE_SNAP_MODE_FACE_NEAREST;

		copy_v3_v3(r_loc, loc);
		if (r_no) {
		copy_v3_v3(r_no, no);
		}
		if (r_ob) {
		*r_ob = ob_eval;
		}
		if (r_obmat) {
		copy_m4_m4(r_obmat, obmat);
		}
		if (r_index) {
		*r_index = index;
		}
		}
		}

return retval;		return retval;
}		}

eSnapMode ED_transform_snap_object_project_view3d_ex(SnapObjectContext *sctx,		eSnapMode ED_transform_snap_object_project_view3d_ex(SnapObjectContext *sctx,
Depsgraph *depsgraph,		Depsgraph *depsgraph,
const ARegion *region,		const ARegion *region,
const View3D *v3d,		const View3D *v3d,
const eSnapMode snap_to,		const eSnapMode snap_to,
▲ Show 20 Lines • Show All 83 Lines • Show Last 20 Lines