/// <summary>
/// This method will go through the inputs, and determine if each node needs further evaluation.
/// If not then we will fill the result stack and get ready for expression evaluation
/// </summary>
/// <param name="connectedBlock"></param>
/// <returns></returns>
public override bool EvaluateInternalData(BaseNodeBlock connectedBlock)
{
Console.WriteLine(String.Format("From {0} -> {1}", this.GetType().Name, connectedBlock.GetType().Name));
bool temp = true;
if (connectedBlock is GetConstantNodeBlock block)
{
ResultsStack.Push(block?.InternalData.VarData);
Console.WriteLine(String.Format("Result: {0}", ResultsStack.Peek()));
return(true);
}
else
{
if (connectedBlock.AnswerToOutput != null)
{
ResultsStack.Push(connectedBlock.AnswerToOutput);
Console.WriteLine(String.Format("Result: {0}", ResultsStack.Peek()));
connectedBlock.AnswerToOutput = null;
}
else
{
temp &= connectedBlock.OnStartEvaluateInternalData(); //it's not a constant thus we MUST evaluate this node.
if (temp)
{
this.ResultsStack.Push(connectedBlock.AnswerToOutput);
Console.WriteLine(String.Format("Result: {0}", ResultsStack.Peek()));
connectedBlock.AnswerToOutput = null;
}
}
}
return(temp);
}
/// <summary>
/// NA Do not use
/// </summary>
/// <param name="currentNB"></param>
public override void OnEndNodeBlockExecution(ref BaseNodeBlock currentNB)
{
throw new NotImplementedException();
}
/// <summary>
/// NA DO NOT USE
/// </summary>
/// <param name="currentNB"></param>
/// <returns></returns>
public override bool OnStartNodeBlockExecution(ref BaseNodeBlock currentNB)
{
throw new NotImplementedException();
}