Differential D4719 Diff 14953 source/blender/bmesh/tools/bmesh_bevel.c

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source/blender/bmesh/tools/bmesh_bevel.c

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	BMIter iter;	BMIter iter;
	EdgeHalf *e;	EdgeHalf *e;
	float weight, z;	float weight, z;
		float vert_axis[3];
	int i, ccw_test_sum;	int i, ccw_test_sum;
	int nsel = 0;	int nsel = 0;
	int ntot = 0;	int ntot = 0;
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	bv->vmesh = (VMesh *)BLI_memarena_alloc(bp->mem_arena, sizeof(VMesh));	bv->vmesh = (VMesh *)BLI_memarena_alloc(bp->mem_arena, sizeof(VMesh));
	bv->vmesh->seg = bp->seg;	bv->vmesh->seg = bp->seg;

	if (bp->vertex_only) {
	/* if weighted, modify offset by weight */
	if (bp->dvert != NULL && bp->vertex_group != -1) {
	weight = defvert_find_weight(bp->dvert + BM_elem_index_get(v), bp->vertex_group);
	if (weight <= 0.0f) {
	BM_elem_flag_disable(v, BM_ELEM_TAG);
	return NULL;
	}
	bv->offset *= weight;
	}
	else if (bp->use_weights) {
	weight = BM_elem_float_data_get(&bm->vdata, v, CD_BWEIGHT);
	bv->offset *= weight;
	}
	}
	BLI_ghash_insert(bp->vert_hash, v, bv);	BLI_ghash_insert(bp->vert_hash, v, bv);

	find_bevel_edge_order(bm, bv, first_bme);	find_bevel_edge_order(bm, bv, first_bme);
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	}	}
	}	}

		if (bp->vertex_only) {
		/* if weighted, modify offset by weight */
		if (bp->dvert != NULL && bp->vertex_group != -1) {
		weight = defvert_find_weight(bp->dvert + BM_elem_index_get(v), bp->vertex_group);
		if (weight <= 0.0f) {
		BM_elem_flag_disable(v, BM_ELEM_TAG);
		return NULL;
		}
		bv->offset *= weight;
		}
		else if (bp->use_weights) {
		weight = BM_elem_float_data_get(&bm->vdata, v, CD_BWEIGHT);
		bv->offset *= weight;
		}
		/* Find center axis. Note: Don't use vert normal, can give unwanted results. */
		if (ELEM(bp->offset_type, BEVEL_AMT_WIDTH, BEVEL_AMT_DEPTH)) {
		float edge_dir[3];
		for (i = 0, e = bv->edges; i < ntot; i++, e++) {
		v2 = BM_edge_other_vert(e->e, bv->v);
		sub_v3_v3v3(edge_dir, bv->v->co, v2->co);
		normalize_v3(edge_dir);
		add_v3_v3v3(vert_axis, vert_axis, edge_dir);
		}
		mul_v3_fl(vert_axis, 1 / ntot);
		}
		}

	for (i = 0, e = bv->edges; i < ntot; i++, e++) {	for (i = 0, e = bv->edges; i < ntot; i++, e++) {
	e->next = &bv->edges[(i + 1) % ntot];	e->next = &bv->edges[(i + 1) % ntot];
	e->prev = &bv->edges[(i + ntot - 1) % ntot];	e->prev = &bv->edges[(i + ntot - 1) % ntot];
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	}	}
	else if (bp->vertex_only) {	else if (bp->vertex_only) {
	/* Weight has already been applied to bv->offset, if present.	/* Weight has already been applied to bv->offset, if present.
	* Transfer to e->offset_[lr]_spec and treat percent as special case */	* Transfer to e->offset_[lr]_spec according to offset_type. */
	if (bp->offset_type == BEVEL_AMT_PERCENT) {	float edge_dir[3];
	v2 = BM_edge_other_vert(e->e, bv->v);	switch (bp->offset_type) {
	e->offset_l_spec = BM_edge_calc_length(e->e) * bv->offset / 100.0f;	case BEVEL_AMT_OFFSET: {
	}	e->offset_l_spec = bv->offset;
	else {	break;
	e->offset_l_spec = bv->offset;	}
		case BEVEL_AMT_WIDTH: {
		v2 = BM_edge_other_vert(e->e, bv->v);
		sub_v3_v3v3(edge_dir, bv->v->co, v2->co);
		normalize_v3(edge_dir);
		z = fabsf(2.0f * sinf(angle_normalized_v3v3(vert_axis, edge_dir)));
		if (z < BEVEL_EPSILON) {
		e->offset_l_spec = 0.01f * bp->offset; /* undefined behavior, so tiny bevel. */
		}
		else {
		e->offset_l_spec = bp->offset / z;
		}
		break;
		}
		case BEVEL_AMT_DEPTH: {
		v2 = BM_edge_other_vert(e->e, bv->v);
		sub_v3_v3v3(edge_dir, bv->v->co, v2->co);
		normalize_v3(edge_dir);
		z = fabsf(cosf(angle_normalized_v3v3(vert_axis, edge_dir)));
		if (z < BEVEL_EPSILON) {
		e->offset_l_spec = 0.01f * bp->offset; /* undefined behavior, so tiny bevel. */
		}
		else {
		e->offset_l_spec = bp->offset / z;
		}
		break;
		}
		case BEVEL_AMT_PERCENT: {
		e->offset_l_spec = BM_edge_calc_length(e->e) * bv->offset / 100.0f;
		break;
		}
	}	}
	e->offset_r_spec = e->offset_l_spec;	e->offset_r_spec = e->offset_l_spec;
	}	}
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