Differential D16674 Diff 58247 source/blender/blenkernel/intern/mesh_mirror.cc

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source/blender/blenkernel/intern/mesh_mirror.cc

This file was moved from source/blender/blenkernel/intern/mesh_mirror.c.

Show All 36 Lines	Mesh BKE_mesh_mirror_bisect_on_mirror_plane_for_modifier(MirrorModifierData mmd,

const float bisect_distance = mmd->bisect_threshold;		const float bisect_distance = mmd->bisect_threshold;

Mesh *result;		Mesh *result;
BMesh *bm;		BMesh *bm;
BMIter viter;		BMIter viter;
BMVert v, v_next;		BMVert v, v_next;

bm = BKE_mesh_to_bmesh_ex(mesh,		BMeshCreateParams bmesh_create_params{0};
&(struct BMeshCreateParams){0},
&(struct BMeshFromMeshParams){		BMeshFromMeshParams bmesh_from_mesh_params{};
.calc_face_normal = true,		bmesh_from_mesh_params.calc_face_normal = true;
.calc_vert_normal = true,		bmesh_from_mesh_params.calc_vert_normal = true;
.cd_mask_extra = {.vmask = CD_MASK_ORIGINDEX,		bmesh_from_mesh_params.cd_mask_extra.vmask = CD_MASK_ORIGINDEX;
.emask = CD_MASK_ORIGINDEX,		bmesh_from_mesh_params.cd_mask_extra.emask = CD_MASK_ORIGINDEX;
.pmask = CD_MASK_ORIGINDEX},		bmesh_from_mesh_params.cd_mask_extra.pmask = CD_MASK_ORIGINDEX;
});
		bm = BKE_mesh_to_bmesh_ex(mesh, &bmesh_create_params, &bmesh_from_mesh_params);

/* Define bisecting plane (aka mirror plane). */		/* Define bisecting plane (aka mirror plane). */
float plane[4];		float plane[4];
if (!do_bisect_flip_axis) {		if (!do_bisect_flip_axis) {
/* That reversed condition is a little weird, but for some reason that's how you keep		/* That reversed condition is a little weird, but for some reason that's how you keep
* the part of the mesh which is on the non-mirrored side when flip option is disabled.		* the part of the mesh which is on the non-mirrored side when flip option is disabled.
* I think this is the expected behavior. */		* I think this is the expected behavior. */
negate_v3(plane_no);		negate_v3(plane_no);
Show All 9 Lines	Mesh BKE_mesh_mirror_bisect_on_mirror_plane_for_modifier(MirrorModifierData mmd,

/* Delete verts across the mirror plane. */		/* Delete verts across the mirror plane. */
BM_ITER_MESH_MUTABLE (v, v_next, &viter, bm, BM_VERTS_OF_MESH) {		BM_ITER_MESH_MUTABLE (v, v_next, &viter, bm, BM_VERTS_OF_MESH) {
if (plane_point_side_v3(plane_offset, v->co) > 0.0f) {		if (plane_point_side_v3(plane_offset, v->co) > 0.0f) {
BM_vert_kill(bm, v);		BM_vert_kill(bm, v);
}		}
}		}

result = BKE_mesh_from_bmesh_for_eval_nomain(bm, NULL, mesh);		result = BKE_mesh_from_bmesh_for_eval_nomain(bm, nullptr, mesh);
BM_mesh_free(bm);		BM_mesh_free(bm);

return result;		return result;
}		}

void BKE_mesh_mirror_apply_mirror_on_axis(struct Main *bmain,		void BKE_mesh_mirror_apply_mirror_on_axis(struct Main *bmain,
Mesh *mesh,		Mesh *mesh,
const int axis,		const int axis,
const float dist)		const float dist)
{		{
BMesh *bm = BKE_mesh_to_bmesh_ex(mesh,		BMeshCreateParams bmesh_create_params{};
&(struct BMeshCreateParams){		bmesh_create_params.use_toolflags = 1;
.use_toolflags = 1,
},		BMeshFromMeshParams bmesh_from_mesh_params{};
&(struct BMeshFromMeshParams){		bmesh_from_mesh_params.calc_face_normal = true;
.calc_face_normal = true,		bmesh_from_mesh_params.calc_vert_normal = true;
.calc_vert_normal = true,		bmesh_from_mesh_params.cd_mask_extra.vmask = CD_MASK_SHAPEKEY;
.cd_mask_extra =
{		BMesh *bm = BKE_mesh_to_bmesh_ex(mesh, &bmesh_create_params, &bmesh_from_mesh_params);
.vmask = CD_MASK_SHAPEKEY,
},
});
BMO_op_callf(bm,		BMO_op_callf(bm,
(BMO_FLAG_DEFAULTS & ~BMO_FLAG_RESPECT_HIDE),		(BMO_FLAG_DEFAULTS & ~BMO_FLAG_RESPECT_HIDE),
"symmetrize input=%avef direction=%i dist=%f use_shapekey=%b",		"symmetrize input=%avef direction=%i dist=%f use_shapekey=%b",
axis,		axis,
dist,		dist,
true);		true);

BM_mesh_bm_to_me(bmain,		BMeshToMeshParams bmesh_to_mesh_params{};
bm,		bmesh_to_mesh_params.calc_object_remap = true;
mesh,
(&(struct BMeshToMeshParams){
.calc_object_remap = true,

}));		BM_mesh_bm_to_me(bmain, bm, mesh, &bmesh_to_mesh_params);
BM_mesh_free(bm);		BM_mesh_free(bm);
}		}

Mesh BKE_mesh_mirror_apply_mirror_on_axis_for_modifier(MirrorModifierData mmd,		Mesh BKE_mesh_mirror_apply_mirror_on_axis_for_modifier(MirrorModifierData mmd,
Object *ob,		Object *ob,
const Mesh *mesh,		const Mesh *mesh,
const int axis,		const int axis,
const bool use_correct_order_on_merge)		const bool use_correct_order_on_merge)
Show All 10 Lines	Mesh BKE_mesh_mirror_apply_mirror_on_axis_for_modifier(MirrorModifierData mmd,
MVert mv, mv_prev;		MVert mv, mv_prev;
MEdge *me;		MEdge *me;
MLoop *ml;		MLoop *ml;
MPoly *mp;		MPoly *mp;
float mtx[4][4];		float mtx[4][4];
float plane_co[3], plane_no[3];		float plane_co[3], plane_no[3];
int i;		int i;
int a, totshape;		int a, totshape;
int vtargetmap = NULL, vtmap_a = NULL, *vtmap_b = NULL;		int vtargetmap = nullptr, vtmap_a = nullptr, *vtmap_b = nullptr;

/* mtx is the mirror transformation */		/* mtx is the mirror transformation */
unit_m4(mtx);		unit_m4(mtx);
mtx[axis][axis] = -1.0f;		mtx[axis][axis] = -1.0f;

Object *mirror_ob = mmd->mirror_ob;		Object *mirror_ob = mmd->mirror_ob;
if (mirror_ob != NULL) {		if (mirror_ob != nullptr) {
float tmp[4][4];		float tmp[4][4];
float itmp[4][4];		float itmp[4][4];

/* tmp is a transform from coords relative to the object's own origin,		/* tmp is a transform from coords relative to the object's own origin,
* to coords relative to the mirror object origin */		* to coords relative to the mirror object origin */
invert_m4_m4(tmp, mirror_ob->object_to_world);		invert_m4_m4(tmp, mirror_ob->object_to_world);
mul_m4_m4m4(tmp, tmp, ob->object_to_world);		mul_m4_m4m4(tmp, tmp, ob->object_to_world);

Show All 24 Lines	if (mirror_ob != nullptr) {
}		}
}		}
else if (do_bisect) {		else if (do_bisect) {
copy_v3_v3(plane_co, mtx[3]);		copy_v3_v3(plane_co, mtx[3]);
/* Need to negate here, since that axis is inverted (for mirror transform). */		/* Need to negate here, since that axis is inverted (for mirror transform). */
negate_v3_v3(plane_no, mtx[axis]);		negate_v3_v3(plane_no, mtx[axis]);
}		}

Mesh *mesh_bisect = NULL;		Mesh *mesh_bisect = nullptr;
if (do_bisect) {		if (do_bisect) {
mesh_bisect = BKE_mesh_mirror_bisect_on_mirror_plane_for_modifier(		mesh_bisect = BKE_mesh_mirror_bisect_on_mirror_plane_for_modifier(
mmd, mesh, axis, plane_co, plane_no);		mmd, mesh, axis, plane_co, plane_no);
mesh = mesh_bisect;		mesh = mesh_bisect;
}		}

const int maxVerts = mesh->totvert;		const int maxVerts = mesh->totvert;
const int maxEdges = mesh->totedge;		const int maxEdges = mesh->totedge;
Show All 26 Lines	Mesh BKE_mesh_mirror_apply_mirror_on_axis_for_modifier(MirrorModifierData mmd,
* copy from itself because this data may have been created in the checks above. */		* copy from itself because this data may have been created in the checks above. */
CustomData_copy_data(&result->vdata, &result->vdata, 0, maxVerts, maxVerts);		CustomData_copy_data(&result->vdata, &result->vdata, 0, maxVerts, maxVerts);
CustomData_copy_data(&result->edata, &result->edata, 0, maxEdges, maxEdges);		CustomData_copy_data(&result->edata, &result->edata, 0, maxEdges, maxEdges);
/* loops are copied later */		/* loops are copied later */
CustomData_copy_data(&result->pdata, &result->pdata, 0, maxPolys, maxPolys);		CustomData_copy_data(&result->pdata, &result->pdata, 0, maxPolys, maxPolys);

if (do_vtargetmap) {		if (do_vtargetmap) {
/* second half is filled with -1 */		/* second half is filled with -1 */
vtargetmap = MEM_malloc_arrayN(maxVerts, sizeof(int[2]), "MOD_mirror tarmap");		vtargetmap = static_cast<int *>(
		MEM_malloc_arrayN(maxVerts, sizeof(int[2]), "MOD_mirror tarmap"));

vtmap_a = vtargetmap;		vtmap_a = vtargetmap;
vtmap_b = vtargetmap + maxVerts;		vtmap_b = vtargetmap + maxVerts;
}		}

/* mirror vertex coordinates */		/* mirror vertex coordinates */
mv_prev = BKE_mesh_verts_for_write(result);		mv_prev = BKE_mesh_verts_for_write(result);
mv = mv_prev + maxVerts;		mv = mv_prev + maxVerts;
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	if (do_vtargetmap) {
vtmap_a++;		vtmap_a++;
vtmap_b++;		vtmap_b++;
}		}
}		}

/* handle shape keys */		/* handle shape keys */
totshape = CustomData_number_of_layers(&result->vdata, CD_SHAPEKEY);		totshape = CustomData_number_of_layers(&result->vdata, CD_SHAPEKEY);
for (a = 0; a < totshape; a++) {		for (a = 0; a < totshape; a++) {
float(*cos)[3] = CustomData_get_layer_n(&result->vdata, CD_SHAPEKEY, a);		float(cos)[3] = static_cast<float()[3]>(
		CustomData_get_layer_n(&result->vdata, CD_SHAPEKEY, a));
for (i = maxVerts; i < result->totvert; i++) {		for (i = maxVerts; i < result->totvert; i++) {
mul_m4_v3(mtx, cos[i]);		mul_m4_v3(mtx, cos[i]);
}		}
}		}

/* adjust mirrored edge vertex indices */		/* adjust mirrored edge vertex indices */
me = BKE_mesh_edges_for_write(result) + maxEdges;		me = BKE_mesh_edges_for_write(result) + maxEdges;
for (i = 0; i < maxEdges; i++, me++) {		for (i = 0; i < maxEdges; i++, me++) {
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines	if (mmd->flag & (MOD_MIR_MIRROR_U \| MOD_MIR_MIRROR_V) \|\|
const bool do_mirr_u = (mmd->flag & MOD_MIR_MIRROR_U) != 0;		const bool do_mirr_u = (mmd->flag & MOD_MIR_MIRROR_U) != 0;
const bool do_mirr_v = (mmd->flag & MOD_MIR_MIRROR_V) != 0;		const bool do_mirr_v = (mmd->flag & MOD_MIR_MIRROR_V) != 0;
/* If set, flip around center of each tile. */		/* If set, flip around center of each tile. */
const bool do_mirr_udim = (mmd->flag & MOD_MIR_MIRROR_UDIM) != 0;		const bool do_mirr_udim = (mmd->flag & MOD_MIR_MIRROR_UDIM) != 0;

const int totuv = CustomData_number_of_layers(&result->ldata, CD_MLOOPUV);		const int totuv = CustomData_number_of_layers(&result->ldata, CD_MLOOPUV);

for (a = 0; a < totuv; a++) {		for (a = 0; a < totuv; a++) {
MLoopUV *dmloopuv = CustomData_get_layer_n(&result->ldata, CD_MLOOPUV, a);		MLoopUV dmloopuv = static_cast<MLoopUV >(
		CustomData_get_layer_n(&result->ldata, CD_MLOOPUV, a));
int j = maxLoops;		int j = maxLoops;
dmloopuv += j; /* second set of loops only */		dmloopuv += j; /* second set of loops only */
for (; j-- > 0; dmloopuv++) {		for (; j-- > 0; dmloopuv++) {
if (do_mirr_u) {		if (do_mirr_u) {
float u = dmloopuv->uv[0];		float u = dmloopuv->uv[0];
if (do_mirr_udim) {		if (do_mirr_udim) {
dmloopuv->uv[0] = ceilf(u) - fmodf(u, 1.0f) + mmd->uv_offset[0];		dmloopuv->uv[0] = ceilf(u) - fmodf(u, 1.0f) + mmd->uv_offset[0];
}		}
Show All 16 Lines	if (mmd->flag & (MOD_MIR_MIRROR_U \| MOD_MIR_MIRROR_V) \|\|
}		}
}		}

/* handle custom split normals */		/* handle custom split normals */
if (ob->type == OB_MESH && (((Mesh *)ob->data)->flag & ME_AUTOSMOOTH) &&		if (ob->type == OB_MESH && (((Mesh *)ob->data)->flag & ME_AUTOSMOOTH) &&
CustomData_has_layer(&result->ldata, CD_CUSTOMLOOPNORMAL)) {		CustomData_has_layer(&result->ldata, CD_CUSTOMLOOPNORMAL)) {
const int totloop = result->totloop;		const int totloop = result->totloop;
const int totpoly = result->totpoly;		const int totpoly = result->totpoly;
float(loop_normals)[3] = MEM_calloc_arrayN((size_t)totloop, sizeof(loop_normals), __func__);		float(loop_normals)[3] = static_cast<float()[3]>(
		MEM_calloc_arrayN((size_t)totloop, sizeof(*loop_normals), __func__));
CustomData *ldata = &result->ldata;		CustomData *ldata = &result->ldata;
short(*clnors)[2] = CustomData_get_layer(ldata, CD_CUSTOMLOOPNORMAL);		short(clnors)[2] = static_cast<short()[2]>(CustomData_get_layer(ldata, CD_CUSTOMLOOPNORMAL));
MLoopNorSpaceArray lnors_spacearr = {NULL};		MLoopNorSpaceArray lnors_spacearr = {nullptr};

/* The transform matrix of a normal must be		/* The transform matrix of a normal must be
* the transpose of inverse of transform matrix of the geometry... */		* the transpose of inverse of transform matrix of the geometry... */
float mtx_nor[4][4];		float mtx_nor[4][4];
invert_m4_m4(mtx_nor, mtx);		invert_m4_m4(mtx_nor, mtx);
transpose_m4(mtx_nor);		transpose_m4(mtx_nor);

/* calculate custom normals into loop_normals, then mirror first half into second half */		/* calculate custom normals into loop_normals, then mirror first half into second half */

BKE_mesh_normals_loop_split(BKE_mesh_verts(result),		BKE_mesh_normals_loop_split(BKE_mesh_verts(result),
BKE_mesh_vertex_normals_ensure(result),		BKE_mesh_vertex_normals_ensure(result),
result->totvert,		result->totvert,
BKE_mesh_edges(result),		BKE_mesh_edges(result),
result->totedge,		result->totedge,
BKE_mesh_loops(result),		BKE_mesh_loops(result),
loop_normals,		loop_normals,
totloop,		totloop,
BKE_mesh_polys(result),		BKE_mesh_polys(result),
BKE_mesh_poly_normals_ensure(result),		BKE_mesh_poly_normals_ensure(result),
totpoly,		totpoly,
true,		true,
mesh->smoothresh,		mesh->smoothresh,
NULL,		nullptr,
&lnors_spacearr,		&lnors_spacearr,
clnors);		clnors);

/* mirroring has to account for loops being reversed in polys in second half */		/* mirroring has to account for loops being reversed in polys in second half */
MPoly *result_polys = BKE_mesh_polys_for_write(result);		MPoly *result_polys = BKE_mesh_polys_for_write(result);
mp = result_polys;		mp = result_polys;
for (i = 0; i < maxPolys; i++, mp++) {		for (i = 0; i < maxPolys; i++, mp++) {
MPoly *mpmirror = result_polys + maxPolys + i;		MPoly *mpmirror = result_polys + maxPolys + i;
Show All 13 Lines	if (ob->type == OB_MESH && (((Mesh *)ob->data)->flag & ME_AUTOSMOOTH) &&

MEM_freeN(loop_normals);		MEM_freeN(loop_normals);
BKE_lnor_spacearr_free(&lnors_spacearr);		BKE_lnor_spacearr_free(&lnors_spacearr);
}		}

/* handle vgroup stuff */		/* handle vgroup stuff */
if ((mmd->flag & MOD_MIR_VGROUP) && CustomData_has_layer(&result->vdata, CD_MDEFORMVERT)) {		if ((mmd->flag & MOD_MIR_VGROUP) && CustomData_has_layer(&result->vdata, CD_MDEFORMVERT)) {
MDeformVert *dvert = BKE_mesh_deform_verts_for_write(result) + maxVerts;		MDeformVert *dvert = BKE_mesh_deform_verts_for_write(result) + maxVerts;
int *flip_map = NULL, flip_map_len = 0;		int *flip_map = nullptr, flip_map_len = 0;

flip_map = BKE_object_defgroup_flip_map(ob, false, &flip_map_len);		flip_map = BKE_object_defgroup_flip_map(ob, false, &flip_map_len);

if (flip_map) {		if (flip_map) {
for (i = 0; i < maxVerts; dvert++, i++) {		for (i = 0; i < maxVerts; dvert++, i++) {
/* merged vertices get both groups, others get flipped */		/* merged vertices get both groups, others get flipped */
if (use_correct_order_on_merge && do_vtargetmap && (vtargetmap[i + maxVerts] != -1)) {		if (use_correct_order_on_merge && do_vtargetmap && (vtargetmap[i + maxVerts] != -1)) {
BKE_defvert_flip_merged(dvert - maxVerts, flip_map, flip_map_len);		BKE_defvert_flip_merged(dvert - maxVerts, flip_map, flip_map_len);
Show All 15 Lines	if (do_vtargetmap) {
* users may leave this on and not realize there is nothing to merge - campbell */		* users may leave this on and not realize there is nothing to merge - campbell */
if (tot_vtargetmap) {		if (tot_vtargetmap) {
result = BKE_mesh_merge_verts(		result = BKE_mesh_merge_verts(
result, vtargetmap, tot_vtargetmap, MESH_MERGE_VERTS_DUMP_IF_MAPPED);		result, vtargetmap, tot_vtargetmap, MESH_MERGE_VERTS_DUMP_IF_MAPPED);
}		}
MEM_freeN(vtargetmap);		MEM_freeN(vtargetmap);
}		}

if (mesh_bisect != NULL) {		if (mesh_bisect != nullptr) {
BKE_id_free(NULL, mesh_bisect);		BKE_id_free(nullptr, mesh_bisect);
}		}

return result;		return result;
}		}