Exemplo n.º 1
0
int BKE_mesh_validate_arrays(Mesh *me, MVert *UNUSED(mverts), unsigned int totvert, MEdge *medges, unsigned int totedge, MFace *mfaces, unsigned int totface, const short do_verbose, const short do_fixes)
{
#	define PRINT if(do_verbose) printf
#	define REMOVE_EDGE_TAG(_med) { _med->v2= _med->v1; do_edge_free= 1; }
#	define REMOVE_FACE_TAG(_mf) { _mf->v3=0; do_face_free= 1; }

//	MVert *mv;
	MEdge *med;
	MFace *mf;
	MFace *mf_prev;
	unsigned int i;

	int do_face_free= FALSE;
	int do_edge_free= FALSE;

	int do_edge_recalc= FALSE;

	EdgeHash *edge_hash = BLI_edgehash_new();

	SortFace *sort_faces= MEM_callocN(sizeof(SortFace) * totface, "search faces");
	SortFace *sf;
	SortFace *sf_prev;
	unsigned int totsortface= 0;

	BLI_assert(!(do_fixes && me == NULL));

	PRINT("ED_mesh_validate: verts(%u), edges(%u), faces(%u)\n", totvert, totedge, totface);

	if(totedge == 0 && totface != 0) {
		PRINT("    locical error, %u faces and 0 edges\n", totface);
		do_edge_recalc= TRUE;
	}

	for(i=0, med= medges; i<totedge; i++, med++) {
		int remove= FALSE;
		if(med->v1 == med->v2) {
			PRINT("    edge %u: has matching verts, both %u\n", i, med->v1);
			remove= do_fixes;
		}
		if(med->v1 >= totvert) {
			PRINT("    edge %u: v1 index out of range, %u\n", i, med->v1);
			remove= do_fixes;
		}
		if(med->v2 >= totvert) {
			PRINT("    edge %u: v2 index out of range, %u\n", i, med->v2);
			remove= do_fixes;
		}

		if(BLI_edgehash_haskey(edge_hash, med->v1, med->v2)) {
			PRINT("    edge %u: is a duplicate of, %d\n", i, GET_INT_FROM_POINTER(BLI_edgehash_lookup(edge_hash, med->v1, med->v2)));
			remove= do_fixes;
		}

		if(remove == FALSE){
			BLI_edgehash_insert(edge_hash, med->v1, med->v2, SET_INT_IN_POINTER(i));
		}
		else {
			REMOVE_EDGE_TAG(med);
		}
	}

	for(i=0, mf=mfaces, sf=sort_faces; i<totface; i++, mf++) {
		int remove= FALSE;
		int fidx;
		unsigned int fv[4];

		fidx = mf->v4 ? 3:2;
		do {
			fv[fidx]= *(&(mf->v1) + fidx);
			if(fv[fidx] >= totvert) {
				PRINT("    face %u: 'v%d' index out of range, %u\n", i, fidx + 1, fv[fidx]);
				remove= do_fixes;
			}
		} while (fidx--);

		if(remove == FALSE) {
			if(mf->v4) {
				if(mf->v1 == mf->v2) { PRINT("    face %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
				if(mf->v1 == mf->v3) { PRINT("    face %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes;  }
				if(mf->v1 == mf->v4) { PRINT("    face %u: verts invalid, v1/v4 both %u\n", i, mf->v1); remove= do_fixes;  }

				if(mf->v2 == mf->v3) { PRINT("    face %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes;  }
				if(mf->v2 == mf->v4) { PRINT("    face %u: verts invalid, v2/v4 both %u\n", i, mf->v2); remove= do_fixes;  }

				if(mf->v3 == mf->v4) { PRINT("    face %u: verts invalid, v3/v4 both %u\n", i, mf->v3); remove= do_fixes;  }
			}
			else {
				if(mf->v1 == mf->v2) { PRINT("    faceT %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
				if(mf->v1 == mf->v3) { PRINT("    faceT %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes; }

				if(mf->v2 == mf->v3) { PRINT("    faceT %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes; }
			}

			if(remove == FALSE) {
				if(totedge) {
					if(mf->v4) {
						if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT("    face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT("    face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v4)) { PRINT("    face %u: edge v3/v4 (%u,%u) is missing egde data\n", i, mf->v3, mf->v4); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v4, mf->v1)) { PRINT("    face %u: edge v4/v1 (%u,%u) is missing egde data\n", i, mf->v4, mf->v1); do_edge_recalc= TRUE; }
					}
					else {
						if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT("    face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT("    face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v1)) { PRINT("    face %u: edge v3/v1 (%u,%u) is missing egde data\n", i, mf->v3, mf->v1); do_edge_recalc= TRUE; }
					}
				}

				sf->index = i;

				if(mf->v4) {
					edge_store_from_mface_quad(sf->es, mf);

					qsort(sf->es, 4, sizeof(int64_t), int64_cmp);
				}
				else {
					edge_store_from_mface_tri(sf->es, mf);
					qsort(sf->es, 3, sizeof(int64_t), int64_cmp);
				}

				totsortface++;
				sf++;
			}
		}
		if(remove) {
			REMOVE_FACE_TAG(mf);
		}
	}

	qsort(sort_faces, totsortface, sizeof(SortFace), search_face_cmp);

	sf= sort_faces;
	sf_prev= sf;
	sf++;

	for(i=1; i<totsortface; i++, sf++) {
		int remove= FALSE;
		/* on a valid mesh, code below will never run */
		if(memcmp(sf->es, sf_prev->es, sizeof(sf_prev->es)) == 0) {
			mf= mfaces + sf->index;

			if(do_verbose) {
				mf_prev= mfaces + sf_prev->index;
				if(mf->v4) {
					PRINT("    face %u & %u: are duplicates (%u,%u,%u,%u) (%u,%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf->v4, mf_prev->v1, mf_prev->v2, mf_prev->v3, mf_prev->v4);
				}
				else {
					PRINT("    face %u & %u: are duplicates (%u,%u,%u) (%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf_prev->v1, mf_prev->v2, mf_prev->v3);
				}
			}

			remove= do_fixes;
		}
		else {
			sf_prev= sf;
		}

		if(remove) {
			REMOVE_FACE_TAG(mf);
		}
	}

	BLI_edgehash_free(edge_hash, NULL);
	MEM_freeN(sort_faces);

	PRINT("BKE_mesh_validate: finished\n\n");

#	 undef PRINT
#	 undef REMOVE_EDGE_TAG
#	 undef REMOVE_FACE_TAG

	if(me) {
		if(do_face_free) {
			mesh_strip_loose_faces(me);
		}

		if (do_edge_free) {
			mesh_strip_loose_edges(me);
		}

		if(do_fixes && do_edge_recalc) {
			BKE_mesh_calc_edges(me, TRUE);
		}
	}

	return (do_face_free || do_edge_free || do_edge_recalc);
}
Exemplo n.º 2
0
int BKE_mesh_validate_arrays( Mesh *me,
                              MVert *mverts, unsigned int totvert,
                              MEdge *medges, unsigned int totedge,
                              MFace *mfaces, unsigned int totface,
                              MDeformVert *dverts, /* assume totvert length */
                              const short do_verbose, const short do_fixes)
{
#	define REMOVE_EDGE_TAG(_med) { _med->v2= _med->v1; do_edge_free= 1; }
#	define REMOVE_FACE_TAG(_mf) { _mf->v3=0; do_face_free= 1; }

//	MVert *mv;
	MEdge *med;
	MFace *mf;
	MFace *mf_prev;
	MVert *mvert= mverts;
	unsigned int i;

	short do_face_free= FALSE;
	short do_edge_free= FALSE;

	short verts_fixed= FALSE;
	short vert_weights_fixed= FALSE;

	int do_edge_recalc= FALSE;

	EdgeHash *edge_hash = BLI_edgehash_new();

	SortFace *sort_faces= MEM_callocN(sizeof(SortFace) * totface, "search faces");
	SortFace *sf;
	SortFace *sf_prev;
	unsigned int totsortface= 0;

	BLI_assert(!(do_fixes && me == NULL));

	PRINT("%s: verts(%u), edges(%u), faces(%u)\n", __func__, totvert, totedge, totface);

	if(totedge == 0 && totface != 0) {
		PRINT("    locical error, %u faces and 0 edges\n", totface);
		do_edge_recalc= TRUE;
	}

	for(i=1; i<totvert; i++, mvert++) {
		int j;
		int fix_normal= TRUE;

		for(j=0; j<3; j++) {
			if(!finite(mvert->co[j])) {
				PRINT("    vertex %u: has invalid coordinate\n", i);

				if (do_fixes) {
					zero_v3(mvert->co);

					verts_fixed= TRUE;
				}
			}

			if(mvert->no[j]!=0)
				fix_normal= FALSE;
		}

		if(fix_normal) {
			PRINT("    vertex %u: has zero normal, assuming Z-up normal\n", i);
			if (do_fixes) {
				mvert->no[2]= SHRT_MAX;
				verts_fixed= TRUE;
			}
		}
	}

	for(i=0, med= medges; i<totedge; i++, med++) {
		int remove= FALSE;
		if(med->v1 == med->v2) {
			PRINT("    edge %u: has matching verts, both %u\n", i, med->v1);
			remove= do_fixes;
		}
		if(med->v1 >= totvert) {
			PRINT("    edge %u: v1 index out of range, %u\n", i, med->v1);
			remove= do_fixes;
		}
		if(med->v2 >= totvert) {
			PRINT("    edge %u: v2 index out of range, %u\n", i, med->v2);
			remove= do_fixes;
		}

		if(BLI_edgehash_haskey(edge_hash, med->v1, med->v2)) {
			PRINT("    edge %u: is a duplicate of, %d\n", i, GET_INT_FROM_POINTER(BLI_edgehash_lookup(edge_hash, med->v1, med->v2)));
			remove= do_fixes;
		}

		if(remove == FALSE){
			BLI_edgehash_insert(edge_hash, med->v1, med->v2, SET_INT_IN_POINTER(i));
		}
		else {
			REMOVE_EDGE_TAG(med);
		}
	}

	for(i=0, mf=mfaces, sf=sort_faces; i<totface; i++, mf++) {
		int remove= FALSE;
		int fidx;
		unsigned int fv[4];

		fidx = mf->v4 ? 3:2;
		do {
			fv[fidx]= *(&(mf->v1) + fidx);
			if(fv[fidx] >= totvert) {
				PRINT("    face %u: 'v%d' index out of range, %u\n", i, fidx + 1, fv[fidx]);
				remove= do_fixes;
			}
		} while (fidx--);

		if(remove == FALSE) {
			if(mf->v4) {
				if(mf->v1 == mf->v2) { PRINT("    face %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
				if(mf->v1 == mf->v3) { PRINT("    face %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes;  }
				if(mf->v1 == mf->v4) { PRINT("    face %u: verts invalid, v1/v4 both %u\n", i, mf->v1); remove= do_fixes;  }

				if(mf->v2 == mf->v3) { PRINT("    face %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes;  }
				if(mf->v2 == mf->v4) { PRINT("    face %u: verts invalid, v2/v4 both %u\n", i, mf->v2); remove= do_fixes;  }

				if(mf->v3 == mf->v4) { PRINT("    face %u: verts invalid, v3/v4 both %u\n", i, mf->v3); remove= do_fixes;  }
			}
			else {
				if(mf->v1 == mf->v2) { PRINT("    faceT %u: verts invalid, v1/v2 both %u\n", i, mf->v1); remove= do_fixes; }
				if(mf->v1 == mf->v3) { PRINT("    faceT %u: verts invalid, v1/v3 both %u\n", i, mf->v1); remove= do_fixes; }

				if(mf->v2 == mf->v3) { PRINT("    faceT %u: verts invalid, v2/v3 both %u\n", i, mf->v2); remove= do_fixes; }
			}

			if(remove == FALSE) {
				if(totedge) {
					if(mf->v4) {
						if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT("    face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT("    face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v4)) { PRINT("    face %u: edge v3/v4 (%u,%u) is missing egde data\n", i, mf->v3, mf->v4); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v4, mf->v1)) { PRINT("    face %u: edge v4/v1 (%u,%u) is missing egde data\n", i, mf->v4, mf->v1); do_edge_recalc= TRUE; }
					}
					else {
						if(!BLI_edgehash_haskey(edge_hash, mf->v1, mf->v2)) { PRINT("    face %u: edge v1/v2 (%u,%u) is missing egde data\n", i, mf->v1, mf->v2); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v2, mf->v3)) { PRINT("    face %u: edge v2/v3 (%u,%u) is missing egde data\n", i, mf->v2, mf->v3); do_edge_recalc= TRUE; }
						if(!BLI_edgehash_haskey(edge_hash, mf->v3, mf->v1)) { PRINT("    face %u: edge v3/v1 (%u,%u) is missing egde data\n", i, mf->v3, mf->v1); do_edge_recalc= TRUE; }
					}
				}

				sf->index = i;

				if(mf->v4) {
					edge_store_from_mface_quad(sf->es, mf);

					qsort(sf->es, 4, sizeof(int64_t), int64_cmp);
				}
				else {
					edge_store_from_mface_tri(sf->es, mf);
					qsort(sf->es, 3, sizeof(int64_t), int64_cmp);
				}

				totsortface++;
				sf++;
			}
		}
		if(remove) {
			REMOVE_FACE_TAG(mf);
		}
	}

	qsort(sort_faces, totsortface, sizeof(SortFace), search_face_cmp);

	sf= sort_faces;
	sf_prev= sf;
	sf++;

	for(i=1; i<totsortface; i++, sf++) {
		int remove= FALSE;
		/* on a valid mesh, code below will never run */
		if(memcmp(sf->es, sf_prev->es, sizeof(sf_prev->es)) == 0) {
			mf= mfaces + sf->index;

			if(do_verbose) {
				mf_prev= mfaces + sf_prev->index;
				if(mf->v4) {
					PRINT("    face %u & %u: are duplicates (%u,%u,%u,%u) (%u,%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf->v4, mf_prev->v1, mf_prev->v2, mf_prev->v3, mf_prev->v4);
				}
				else {
					PRINT("    face %u & %u: are duplicates (%u,%u,%u) (%u,%u,%u)\n", sf->index, sf_prev->index, mf->v1, mf->v2, mf->v3, mf_prev->v1, mf_prev->v2, mf_prev->v3);
				}
			}

			remove= do_fixes;
		}
		else {
			sf_prev= sf;
		}

		if(remove) {
			REMOVE_FACE_TAG(mf);
		}
	}

	BLI_edgehash_free(edge_hash, NULL);
	MEM_freeN(sort_faces);


	/* fix deform verts */
	if (dverts) {
		MDeformVert *dv;
		for(i=0, dv= dverts; i<totvert; i++, dv++) {
			MDeformWeight *dw;
			unsigned int j;

			for(j=0, dw= dv->dw; j < dv->totweight; j++, dw++) {
				/* note, greater then max defgroups is accounted for in our code, but not < 0 */
				if (!finite(dw->weight)) {
					PRINT("    vertex deform %u, group %d has weight: %f\n", i, dw->def_nr, dw->weight);
					if (do_fixes) {
						dw->weight= 0.0f;
						vert_weights_fixed= TRUE;
					}
				}
				else if (dw->weight < 0.0f || dw->weight > 1.0f) {
					PRINT("    vertex deform %u, group %d has weight: %f\n", i, dw->def_nr, dw->weight);
					if (do_fixes) {
						CLAMP(dw->weight, 0.0f, 1.0f);
						vert_weights_fixed= TRUE;
					}
				}

				if (dw->def_nr < 0) {
					PRINT("    vertex deform %u, has invalid group %d\n", i, dw->def_nr);
					if (do_fixes) {
						defvert_remove_group(dv, dw);
						if (dv->dw) {
							/* re-allocated, the new values compensate for stepping
							 * within the for loop and may not be valid */
							j--;
							dw= dv->dw + j;

							vert_weights_fixed= TRUE;
						}
						else { /* all freed */
							break;
						}
					}
				}
			}
		}
	}


	PRINT("BKE_mesh_validate: finished\n\n");

#	 undef REMOVE_EDGE_TAG
#	 undef REMOVE_FACE_TAG

	if(me) {
		if(do_face_free) {
			mesh_strip_loose_faces(me);
		}

		if (do_edge_free) {
			mesh_strip_loose_edges(me);
		}

		if(do_fixes && do_edge_recalc) {
			BKE_mesh_calc_edges(me, TRUE);
		}
	}

	return (verts_fixed || vert_weights_fixed || do_face_free || do_edge_free || do_edge_recalc);
}