public bool Equals(Move m2)
{
return(card == m2.card && from == m2.from && to == m2.to);
}
public void AddValidMoves(List <Move> outMoves, bool winAndCaptureOnly = false)
{
if (board.TopWon() || board.BottomWon())
{
return;
}
var ownMaster = board.GetBitboard(Piece.Master, player);
var ownStudents = board.GetBitboard(Piece.Student, player);
var opponentMaster = board.GetBitboard(Piece.Master, player.Opponent());
var opponentStudents = board.GetBitboard(Piece.Student, player.Opponent());
byte card1, card2;
if (player == Player.Top)
{
card1 = cards.topCard1;
card2 = cards.topCard2;
}
else
{
card1 = cards.bottomCard1;
card2 = cards.bottomCard2;
}
int fromBit = 1;
for (byte from = 0; from < 25; from++, fromBit <<= 1)
{
// Skip if we don't have a piece here
if (((ownMaster | ownStudents) & fromBit) == 0)
{
continue;
}
// Check moves from both cards
for (int cardIndex = 0; cardIndex < 2; cardIndex++)
{
var card = cardIndex == 0 ? card1 : card2;
var destinations = Card.Definitions[card].destinations[(int)player, from];
var goalGate = player == Player.Top ? Board.BottomGateBits : Board.TopGateBits;
for (int i = 0; i < destinations.Length; i++)
{
var dest = destinations[i];
var destBit = 1 << dest;
// Can't capture self
if (((ownMaster | ownStudents) & destBit) != 0)
{
continue;
}
// Check move quality
var quality = MoveQuality.Normal;
if ((opponentMaster & destBit) != 0 || (destBit == goalGate && (ownMaster & fromBit) != 0))
{
quality = MoveQuality.Win;
}
else if ((opponentStudents & destBit) != 0)
{
quality = MoveQuality.Capture;
}
if (winAndCaptureOnly && quality == MoveQuality.Normal)
{
continue;
}
var move = new Move(card, from, dest, quality);
outMoves.Add(move);
}
}
}
// Order moves by quality, in place!
int currentIndex = 0;
for (int i = 0; i < outMoves.Count; i++)
{
if (outMoves[i].quality == (byte)MoveQuality.Win)
{
var tmp = outMoves[currentIndex];
outMoves[currentIndex] = outMoves[i];
outMoves[i] = tmp;
currentIndex++;
}
}
for (int i = currentIndex; i < outMoves.Count; i++)
{
if (outMoves[i].quality == (byte)MoveQuality.Capture)
{
var tmp = outMoves[currentIndex];
outMoves[currentIndex] = outMoves[i];
outMoves[i] = tmp;
currentIndex++;
}
}
}
