Differential D16057 Diff 59051 source/blender/geometry/intern/add_curves_on_mesh.cc

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source/blender/geometry/intern/add_curves_on_mesh.cc

Show First 20 Lines • Show All 297 Lines • ▼ Show 20 Lines	AddCurvesOnMeshOutputs add_curves_on_mesh(CurvesGeometry &curves,
for (const int i : new_curves_range) {		for (const int i : new_curves_range) {
curve_offsets[i + 1] += curve_offsets[i];		curve_offsets[i + 1] += curve_offsets[i];
}		}

const int new_points_num = curves.offsets().last();		const int new_points_num = curves.offsets().last();
curves.resize(new_points_num, new_curves_num);		curves.resize(new_points_num, new_curves_num);
MutableSpan<float3> positions_cu = curves.positions_for_write();		MutableSpan<float3> positions_cu = curves.positions_for_write();

		/* The new elements are added at the end of the arrays. */
		outputs.new_points_range = curves.points_range().drop_front(old_points_num);
		outputs.new_curves_range = curves.curves_range().drop_front(old_curves_num);

/* Initialize attachment information. */		/* Initialize attachment information. */
MutableSpan<float2> surface_uv_coords = curves.surface_uv_coords_for_write();		MutableSpan<float2> surface_uv_coords = curves.surface_uv_coords_for_write();
surface_uv_coords.take_back(added_curves_num).copy_from(used_uvs);		surface_uv_coords.take_back(added_curves_num).copy_from(used_uvs);

/* Determine length of new curves. */		/* Determine length of new curves. */
Array<float> new_lengths_cu(added_curves_num);		Array<float> new_lengths_cu(added_curves_num);
if (inputs.interpolate_length) {		if (inputs.interpolate_length) {
interpolate_from_neighbors<float>(		interpolate_from_neighbors<float>(
Show All 19 Lines	AddCurvesOnMeshOutputs add_curves_on_mesh(CurvesGeometry &curves,
Array<float3> new_normals_su(added_curves_num);		Array<float3> new_normals_su(added_curves_num);
threading::parallel_for(IndexRange(added_curves_num), 256, [&](const IndexRange range) {		threading::parallel_for(IndexRange(added_curves_num), 256, [&](const IndexRange range) {
for (const int i : range) {		for (const int i : range) {
new_normals_su[i] = compute_surface_point_normal(		new_normals_su[i] = compute_surface_point_normal(
*looptris[i], bary_coords[i], inputs.corner_normals_su);		*looptris[i], bary_coords[i], inputs.corner_normals_su);
}		}
});		});

/* Update selection arrays when available. */
const VArray<float> points_selection = curves.selection_point_float();
if (points_selection.is_span()) {
MutableSpan<float> points_selection_span = curves.selection_point_float_for_write();
points_selection_span.drop_front(old_points_num).fill(1.0f);
}
const VArray<float> curves_selection = curves.selection_curve_float();
if (curves_selection.is_span()) {
MutableSpan<float> curves_selection_span = curves.selection_curve_float_for_write();
curves_selection_span.slice(new_curves_range).fill(1.0f);
}

/* Initialize position attribute. */		/* Initialize position attribute. */
if (inputs.interpolate_shape) {		if (inputs.interpolate_shape) {
interpolate_position_with_interpolation(curves,		interpolate_position_with_interpolation(curves,
root_positions_cu,		root_positions_cu,
neighbors_per_curve,		neighbors_per_curve,
old_curves_num,		old_curves_num,
new_lengths_cu,		new_lengths_cu,
new_normals_su,		new_normals_su,
*inputs.transforms,		*inputs.transforms,
inputs.surface_looptris,		inputs.surface_looptris,
*inputs.reverse_uv_sampler,		*inputs.reverse_uv_sampler,
inputs.corner_normals_su);		inputs.corner_normals_su);
}		}
else {		else {
interpolate_position_without_interpolation(curves,		interpolate_position_without_interpolation(curves,
old_curves_num,		old_curves_num,
root_positions_cu,		root_positions_cu,
new_lengths_cu,		new_lengths_cu,
new_normals_su,		new_normals_su,
inputs.transforms->surface_to_curves_normal);		inputs.transforms->surface_to_curves_normal);
}		}

curves.fill_curve_types(new_curves_range, CURVE_TYPE_CATMULL_ROM);		curves.fill_curve_types(new_curves_range, CURVE_TYPE_CATMULL_ROM);

/* Explicitly set all other attributes besides those processed above to default values. */
bke::MutableAttributeAccessor attributes = curves.attributes_for_write();		bke::MutableAttributeAccessor attributes = curves.attributes_for_write();
Set<std::string> attributes_to_skip{{"position",
"curve_type",		/* Explicitly set all other attributes besides those processed above to default values. */
"surface_uv_coordinate",		Set<std::string> attributes_to_skip{{"position", "curve_type", "surface_uv_coordinate"}};
".selection_point_float",
".selection_curve_float"}};
attributes.for_all(		attributes.for_all(
[&](const bke::AttributeIDRef &id, const bke::AttributeMetaData /meta_data/) {		[&](const bke::AttributeIDRef &id, const bke::AttributeMetaData /meta_data/) {
if (id.is_named() && attributes_to_skip.contains(id.name())) {		if (id.is_named() && attributes_to_skip.contains(id.name())) {
return true;		return true;
}		}
bke::GSpanAttributeWriter attribute = attributes.lookup_for_write_span(id);		bke::GSpanAttributeWriter attribute = attributes.lookup_for_write_span(id);
/* The new elements are added at the end of the array. */
const int old_elements_num = attribute.domain == ATTR_DOMAIN_POINT ? old_points_num :
old_curves_num;
const CPPType &type = attribute.span.type();		const CPPType &type = attribute.span.type();
GMutableSpan new_data = attribute.span.drop_front(old_elements_num);		GMutableSpan new_data = attribute.span.slice(attribute.domain == ATTR_DOMAIN_POINT ?
		outputs.new_points_range :
		outputs.new_curves_range);
type.fill_assign_n(type.default_value(), new_data.data(), new_data.size());		type.fill_assign_n(type.default_value(), new_data.data(), new_data.size());
attribute.finish();		attribute.finish();
return true;		return true;
});		});

return outputs;		return outputs;
}		}

} // namespace blender::geometry		} // namespace blender::geometry