// Function from file: objs.dm
public dynamic handle_internal_lifeform(dynamic lifeform_inside_me = null, bool breath_request = false)
{
GasMixture environment = null;
double breath_percentage = 0;
if ((breath_request ?1:0) > 0)
{
environment = this.return_air();
breath_percentage = 0.5 / environment.return_volume();
return(this.remove_air(environment.total_moles() * breath_percentage));
}
else
{
return(null);
}
}