// return the current value for a given output
/*-------------------------------------------------
* output_get_value - return the value of an
* output
* -------------------------------------------------*/
public int get_value(string outname)
{
output_item item = find_item(outname);
// if no item, value is 0
return(item != null?item.get() : 0);
}
/*-------------------------------------------------
* create_new_item - create a new item
* -------------------------------------------------*/
output_item create_new_item(string outname, int value)
{
var output_item = new output_item(this, outname, m_uniqueid++, value);
var ins = m_itemtable.emplace(
//std::piecewise_construct,
outname, //std::forward_as_tuple(outname),
output_item); // std::forward_as_tuple(this, outname, m_uniqueid++, value));
assert(ins); //ins.second);
return(output_item); //ins.first.second;
}
// set the value for a given output
/*-------------------------------------------------
* output_set_value - set the value of an output
* -------------------------------------------------*/
void set_value(string outname, int value)
{
output_item item = find_item(outname);
// if no item of that name, create a new one and force notification
if (item == null)
{
create_new_item(outname, value).notify(value);
}
else
{
item.set(value); // set the new value (notifies on change)
}
}
/*-------------------------------------------------
* create_new_item - create a new item
* -------------------------------------------------*/
output_item create_new_item(string outname, int value)
{
if (OUTPUT_VERBOSE)
{
osd_printf_verbose("Creating output {0} = {1}{2}\n", outname, value, m_save_data != null ? " (will not be saved)" : "");
}
var output_item = new output_item(this, outname, m_uniqueid++, value);
var ins = m_itemtable.emplace(
//std::piecewise_construct,
outname, //std::forward_as_tuple(outname),
output_item); // std::forward_as_tuple(this, outname, m_uniqueid++, value));
assert(ins); //ins.second);
return(output_item); //ins.first.second;
}
// set a notifier on a particular output, or globally if nullptr
/*-------------------------------------------------
* output_set_notifier - sets a notifier callback
* for a particular output, or for all outputs
* if nullptr is specified
* -------------------------------------------------*/
public void set_notifier(string outname, output_notifier_func callback, object param) //void *param)
{
// if an item is specified, find/create it
if (outname != null)
{
output_item item = find_item(outname);
if (item != null)
{
item.set_notifier(callback, param);
}
else
{
create_new_item(outname, 0).set_notifier(callback, param); // (item ? *item : create_new_item(outname, 0)).set_notifier(callback, param);
}
}
else
{
m_global_notifylist.emplace_back(new output_notify(callback, param));
}
}
public output_item find_or_create_item(string outname, s32 value)
{
output_item item = find_item(outname);
return(item != null ? item : create_new_item(outname, value));
}
// set a notifier on a particular output
//-------------------------------------------------
// set_notifier - sets a notifier callback for a
// particular output
//-------------------------------------------------
public void set_notifier(string outname, notifier_func callback, object param) //void set_notifier(std::string_view outname, notifier_func callback, void *param);
{
output_item item = find_item(outname);
(item != null ? item : create_new_item(outname, 0)).set_notifier(callback, param);
}
//item_proxy() = default;
//**************************************************************************
// OUTPUT ITEM PROXY
//**************************************************************************
public void resolve(device_t device, string name)
{
assert(m_item == null);
m_item = device.machine().output().find_or_create_item(name, 0);
}