Differential D4535 Diff 14225 source/blender/editors/mesh/editmesh_select_similar.c

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source/blender/editors/mesh/editmesh_select_similar.c

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/** \file		/** \file
* \ingroup edmesh		* \ingroup edmesh
*/		*/

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"

#include "BLI_kdtree.h"		#include "BLI_kdtree.h"
		#include "BLI_kdtree_nd.h"
#include "BLI_listbase.h"		#include "BLI_listbase.h"
#include "BLI_math.h"		#include "BLI_math.h"

#include "BKE_context.h"		#include "BKE_context.h"
#include "BKE_editmesh.h"		#include "BKE_editmesh.h"
#include "BKE_layer.h"		#include "BKE_layer.h"
#include "BKE_material.h"		#include "BKE_material.h"
#include "BKE_report.h"		#include "BKE_report.h"
▲ Show 20 Lines • Show All 103 Lines • ▼ Show 20 Lines
}		}

/**		/**
* Note: This is not normal, but the face direction itself and always in		* Note: This is not normal, but the face direction itself and always in
* a positive quadrant (tries z, y then x).		* a positive quadrant (tries z, y then x).
* Also, unlike edge_pos_direction_worldspace_get we don't normalize the direction.		* Also, unlike edge_pos_direction_worldspace_get we don't normalize the direction.
* In fact we scale the direction by the distance of the face center to the origin.		* In fact we scale the direction by the distance of the face center to the origin.
*/		*/
static void face_pos_direction_worldspace_scaled_get(Object ob, BMFace face, float *r_dir)		static void face_to_plane(const Object ob, BMFace face, float r_plane[4])
{		{
float distance;		float normal[3], co[3];
float center[3];		copy_v3_v3(normal, face->no);
		mul_transposed_mat3_m4_v3(ob->imat, normal);
copy_v3_v3(r_dir, face->no);		normalize_v3(normal);
normalize_v3(r_dir);		mul_v3_m4v3(co, ob->obmat, BM_FACE_FIRST_LOOP(face)->v->co);
		plane_from_point_normal_v3(r_plane, co, normal);
BM_face_calc_center_median(face, center);
mul_m4_v3(ob->obmat, center);

distance = dot_v3v3(r_dir, center);
mul_v3_fl(r_dir, distance);

/* Make sure we have a consistent direction regardless of the face orientation.
* This spares us from storing dir and -dir in the tree. */
if (fabs(r_dir[2]) < FLT_EPSILON) {
if (fabs(r_dir[1]) < FLT_EPSILON) {
if (r_dir[0] < 0.0f) {
mul_v3_fl(r_dir, -1.0f);
}
}
else if (r_dir[1] < 0.0f) {
mul_v3_fl(r_dir, -1.0f);
}
}
else if (r_dir[2] < 0.0f) {
mul_v3_fl(r_dir, -1.0f);
}
}		}

/* TODO(dfelinto): `types` that should technically be compared in world space but are not:		/* TODO(dfelinto): `types` that should technically be compared in world space but are not:
* -SIMFACE_AREA		* -SIMFACE_AREA
* -SIMFACE_PERIMETER		* -SIMFACE_PERIMETER
*/		*/
static int similar_face_select_exec(bContext C, wmOperator op)		static int similar_face_select_exec(bContext C, wmOperator op)
{		{
Show All 16 Lines	static int similar_face_select_exec(bContext C, wmOperator op)

if (tot_faces_selected_all == 0) {		if (tot_faces_selected_all == 0) {
BKE_report(op->reports, RPT_ERROR, "No face selected");		BKE_report(op->reports, RPT_ERROR, "No face selected");
MEM_freeN(objects);		MEM_freeN(objects);
return OPERATOR_CANCELLED;		return OPERATOR_CANCELLED;
}		}

KDTree *tree = NULL;		KDTree *tree = NULL;
		KDTreeND *tree_plane = NULL;
GSet *gset = NULL;		GSet *gset = NULL;
GSet **gset_array = NULL;		GSet **gset_array = NULL;
int face_data_value = SIMFACE_DATA_NONE;		int face_data_value = SIMFACE_DATA_NONE;

switch (type) {		switch (type) {
case SIMFACE_AREA:		case SIMFACE_AREA:
case SIMFACE_PERIMETER:		case SIMFACE_PERIMETER:
case SIMFACE_NORMAL:		case SIMFACE_NORMAL:
case SIMFACE_COPLANAR:
tree = BLI_kdtree_new(tot_faces_selected_all);		tree = BLI_kdtree_new(tot_faces_selected_all);
break;		break;
		case SIMFACE_COPLANAR:
		/* 4 components for a plane. */
		tree_plane = BLI_kdtree_nd_new(tot_faces_selected_all, 4);
		break;
case SIMFACE_SIDES:		case SIMFACE_SIDES:
case SIMFACE_MATERIAL:		case SIMFACE_MATERIAL:
gset = BLI_gset_ptr_new("Select similar face");		gset = BLI_gset_ptr_new("Select similar face");
break;		break;
case SIMFACE_FACEMAP:		case SIMFACE_FACEMAP:
gset_array = MEM_callocN(sizeof(GSet ) objects_len, "Select similar face: facemap gset array");		gset_array = MEM_callocN(sizeof(GSet ) objects_len, "Select similar face: facemap gset array");
break;		break;
}		}
▲ Show 20 Lines • Show All 81 Lines • ▼ Show 20 Lines	BM_ITER_MESH (face, &iter, bm, BM_FACES_OF_MESH) {
mul_transposed_mat3_m4_v3(ob->imat, normal);		mul_transposed_mat3_m4_v3(ob->imat, normal);
normalize_v3(normal);		normalize_v3(normal);

BLI_kdtree_insert(tree, tree_index++, normal);		BLI_kdtree_insert(tree, tree_index++, normal);
break;		break;
}		}
case SIMFACE_COPLANAR:		case SIMFACE_COPLANAR:
{		{
float dir[3];		float plane[4];
face_pos_direction_worldspace_scaled_get(ob, face, dir);		face_to_plane(ob, face, plane);
BLI_kdtree_insert(tree, tree_index++, dir);		BLI_kdtree_nd_insert(tree_plane, tree_index++, plane);
break;		break;
}		}
case SIMFACE_SMOOTH:		case SIMFACE_SMOOTH:
{		{
if (!face_data_value_set(face, BM_ELEM_SMOOTH, &face_data_value)) {		if (!face_data_value_set(face, BM_ELEM_SMOOTH, &face_data_value)) {
goto face_select_all;		goto face_select_all;
}		}
break;		break;
Show All 25 Lines	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
}		}
}		}

BLI_assert((type != SIMFACE_FREESTYLE) \|\| (face_data_value != SIMFACE_DATA_NONE));		BLI_assert((type != SIMFACE_FREESTYLE) \|\| (face_data_value != SIMFACE_DATA_NONE));

if (tree != NULL) {		if (tree != NULL) {
BLI_kdtree_balance(tree);		BLI_kdtree_balance(tree);
}		}
		if (tree_plane != NULL) {
		BLI_kdtree_nd_balance(tree_plane);
		}

for (uint ob_index = 0; ob_index < objects_len; ob_index++) {		for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
Object *ob = objects[ob_index];		Object *ob = objects[ob_index];
BMEditMesh *em = BKE_editmesh_from_object(ob);		BMEditMesh *em = BKE_editmesh_from_object(ob);
BMesh *bm = em->bm;		BMesh *bm = em->bm;
bool changed = false;		bool changed = false;
Material ***material_array = NULL;		Material ***material_array = NULL;
int custom_data_offset;		int custom_data_offset;
▲ Show 20 Lines • Show All 98 Lines • ▼ Show 20 Lines	BM_ITER_MESH (face, &iter, bm, BM_FACES_OF_MESH) {
if (angle_normalized_v3v3(normal, nearest.co) <= thresh_radians) {		if (angle_normalized_v3v3(normal, nearest.co) <= thresh_radians) {
select = true;		select = true;
}		}
}		}
break;		break;
}		}
case SIMFACE_COPLANAR:		case SIMFACE_COPLANAR:
{		{
float diff[3];		float plane[4];
float dir[3];		face_to_plane(ob, face, plane);
face_pos_direction_worldspace_scaled_get(ob, face, dir);

/* We are treating the direction as coordinates, the "nearest" one will		struct {
* also be the one closest to the angle.		KDTreeNearestND_Base base;
* And since the direction is scaled by the face center distance to the origin,		float co[4];
* the nearest point will also be the closest between the planes. */		} nearest;
KDTreeNearest nearest;		if (BLI_kdtree_nd_find_nearest(tree_plane, plane, &nearest.base) != -1) {
if (BLI_kdtree_find_nearest(tree, dir, &nearest) != -1) {		if (nearest.base.dist <= thresh) {
sub_v3_v3v3(diff, dir, nearest.co);		if (angle_v3v3(plane, nearest.co) <= thresh_radians) {
if (len_v3(diff) <= thresh) {
if (angle_v3v3(dir, nearest.co) <= thresh_radians) {
select = true;		select = true;
}		}
}		}
}		}
break;		break;
}		}
case SIMFACE_SMOOTH:		case SIMFACE_SMOOTH:
if ((BM_elem_flag_test(face, BM_ELEM_SMOOTH) != 0) ==		if ((BM_elem_flag_test(face, BM_ELEM_SMOOTH) != 0) ==
▲ Show 20 Lines • Show All 70 Lines • ▼ Show 20 Lines	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
}		}
EDBM_selectmode_flush(em);		EDBM_selectmode_flush(em);
EDBM_update_generic(em, false, false);		EDBM_update_generic(em, false, false);
}		}
}		}

MEM_freeN(objects);		MEM_freeN(objects);
BLI_kdtree_free(tree);		BLI_kdtree_free(tree);
		BLI_kdtree_nd_free(tree_plane);
if (gset != NULL) {		if (gset != NULL) {
BLI_gset_free(gset, NULL);		BLI_gset_free(gset, NULL);
}		}
if (gset_array != NULL) {		if (gset_array != NULL) {
for (uint ob_index = 0; ob_index < objects_len; ob_index++) {		for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
if (gset_array[ob_index] != NULL) {		if (gset_array[ob_index] != NULL) {
BLI_gset_free(gset_array[ob_index], NULL);		BLI_gset_free(gset_array[ob_index], NULL);
}		}
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