static void sound_save(int config_type, xml_data_node *parentnode)
{
int mixernum;
/* we only care about game files */
if (config_type != CONFIG_TYPE_GAME)
return;
/* iterate over mixer channels */
if (parentnode != NULL)
for (mixernum = 0; mixernum < MAX_MIXER_CHANNELS; mixernum++)
{
float defvol = sound_get_default_gain(mixernum);
float newvol = sound_get_user_gain(mixernum);
if (defvol != newvol)
{
xml_data_node *channelnode = xml_add_child(parentnode, "channel", NULL);
if (channelnode != NULL)
{
xml_set_attribute_int(channelnode, "index", mixernum);
xml_set_attribute_float(channelnode, "defvol", defvol);
xml_set_attribute_float(channelnode, "newvol", newvol);
}
}
}
}
void laserdisc_device::config_save(config_type cfg_type, xml_data_node *parentnode)
{
// we only care about game files
if (cfg_type != config_type::CONFIG_TYPE_GAME)
return;
// create a node
xml_data_node *ldnode = xml_add_child(parentnode, "device", nullptr);
if (ldnode != nullptr)
{
// output the basics
xml_set_attribute(ldnode, "tag", tag().c_str());
// add an overlay node
xml_data_node *overnode = xml_add_child(ldnode, "overlay", nullptr);
bool changed = false;
if (overnode != nullptr)
{
// output the positioning controls
if (m_overposx != m_orig_config.m_overposx)
{
xml_set_attribute_float(overnode, "hoffset", m_overposx);
changed = true;
}
if (m_overscalex != m_orig_config.m_overscalex)
{
xml_set_attribute_float(overnode, "hstretch", m_overscalex);
changed = true;
}
if (m_overposy != m_orig_config.m_overposy)
{
xml_set_attribute_float(overnode, "voffset", m_overposy);
changed = true;
}
if (m_overscaley != m_orig_config.m_overscaley)
{
xml_set_attribute_float(overnode, "vstretch", m_overscaley);
changed = true;
}
}
// if nothing changed, kill the node
if (!changed)
xml_delete_node(ldnode);
}
}