private IEnumerable InvokeCoroutineDelegate(ControlInput input)
{
var instructions = input.coroutineAction(this);
while (true)
{
object instruction;
try
{
if (!instructions.MoveNext())
{
break;
}
instruction = instructions.Current;
}
catch (Exception ex)
{
input.unit.HandleException(stack, ex);
throw;
}
yield return(instruction);
}
}
protected override void Definition()
{
enter = ControlInput("enter", ProcessInternal);
exit = ControlOutput("exit");
Succession(enter, exit);
}
protected ControlInput ControlInputCoroutine(string key, Func <Flow, ControlOutput> action, Func <Flow, IEnumerator> coroutineAction)
{
EnsureUniqueInput(key);
var port = new ControlInput(key, action, coroutineAction);
controlInputs.Add(port);
return(port);
}
protected ControlInput ControlInput(string key, Func <Flow, ControlOutput> action)
{
EnsureUniqueInput(key);
var port = new ControlInput(key, action);
controlInputs.Add(port);
return(port);
}
protected override void Definition()
{
enterTrue = ControlInput("true", ProcessTrue);
enterFalse = ControlInput("false", ProcessFalse);
exit = ControlOutput("exit");
valueOut = ValueOutput("value", (flow) => m_value);
Succession(enterTrue, exit);
Succession(enterFalse, exit);
}
private ControlOutput InvokeDelegate(ControlInput input)
{
try
{
if (input.requiresCoroutine)
{
throw new InvalidOperationException($"Port '{input.key}' on '{input.unit}' can only be triggered in a coroutine.");
}
return(input.action(this));
}
catch (Exception ex)
{
input.unit.HandleException(stack, ex);
throw;
}
}
/// <summary>
/// Triggering the source may trigger the destination.
/// </summary>
protected void Succession(ControlInput source, ControlOutput destination)
{
Relation(source, destination);
}
/// <summary>
/// Triggering the source may assign the destination value on the flow.
/// </summary>
protected void Assignment(ControlInput source, ValueOutput destination)
{
Relation(source, destination);
}
/// <summary>
/// Triggering the destination may fetch the source value.
/// </summary>
protected void Requirement(ValueInput source, ControlInput destination)
{
Relation(source, destination);
}
protected override void Definition()
{
trigger = ControlInput(nameof(trigger), Trigger);
}
protected override void Definition()
{
enter = ControlInput(nameof(enter), Operation);
}