public Choice GetSecondChoice()
{
Choice result = null;
if (m_SecondChoice != null)
{
result = new Choice(m_SecondChoice);
}
else
{
if (m_FirstChoice != null)
{
if (r_ActiveCellsMemory.ContainsKey(m_FirstChoice.Letter))
{
result = new Choice(r_ActiveCellsMemory[m_FirstChoice.Letter][0]);
}
}
else
{
result = getEducatedGuess();
}
}
m_FirstChoice = null;
m_SecondChoice = null;
return result;
}
public Choice GetFirstChoice()
{
m_FirstChoice = m_SecondChoice = null;
Choice result;
if (knowsAboutPairPosition())
{
result = new Choice(m_FirstChoice);
}
else
{
result = getEducatedGuess();
m_SecondChoice = null;
}
return result;
}
private Choice getEducatedGuess()
{
Choice retChoice = null;
var possibleChoices = new List<Choice>();
for (int i = 0; i < r_BoardLines; ++i)
{
for (int j = 0; j < r_BoardCols; ++j)
{
if (!isCellAlreadyVisibleOnBoard(i, j) && !isInActiveMemory(i, j))
{
possibleChoices.Add(new Choice(i, j));
}
}
}
var random = new Random();
if (possibleChoices.Count >= 1)
{
retChoice = possibleChoices[random.Next(0, possibleChoices.Count - 1)];
}
else if (possibleChoices.Count == 0)
{
bool breakOuterLoop = false;
for (int i = 0; i < r_BoardLines && !breakOuterLoop; ++i)
{
for (int j = 0; j < r_BoardCols; ++j)
{
if (!isCellAlreadyVisibleOnBoard(i, j))
{
retChoice = new Choice(i, j);
breakOuterLoop = true;
break;
}
}
}
}
return retChoice;
}
