public override void PerformMove(PawnMove pawnMove)
{
if (moveList.Contains(pawnMove) == false)
{
throw new ArgumentException("Invalid move");
}
UpdateBoard(pawnMove);
moveCount++;
SwapPawnColor();
}
protected List <PawnMove> GetCaptureList(Dot pos, BoardState boardState, PawnMove pawnMove)
{
var result = new List <PawnMove>();
result.Add(pawnMove);
result.AddRange(GetCaptureList(pos, boardState, new Dot(1, 1), pawnMove));
result.AddRange(GetCaptureList(pos, boardState, new Dot(-1, -1), pawnMove));
result.AddRange(GetCaptureList(pos, boardState, new Dot(-1, 1), pawnMove));
result.AddRange(GetCaptureList(pos, boardState, new Dot(1, -1), pawnMove));
return(result);
}
protected void UpdateBoard(PawnMove pawnMove)
{
foreach (var pawn in pawnMove.GetCapturedList())
{
pawnList.Remove(pawn);
}
pawnList.Remove(pawnMove.MovedPawn);
var movedPos = pawnMove.GetPosList().Last();
if (pawnMove.TurnDame)
{
pawnList.Add(new DamePawn(movedPos, pawnMove.MovedPawn.GetPawnColor()));
}
else
{
pawnList.Add(pawnMove.MovedPawn.GetMovedToPos(movedPos));
}
}
abstract public void PerformMove(PawnMove pawnMove);
protected abstract List <PawnMove> GetCaptureList(Dot pos, BoardState bState, Dot dir, PawnMove pMove);
protected override List <PawnMove> GetCaptureList(Dot pos, BoardState bState, Dot dir, PawnMove pMove)
{
var capPawn = GetCapturedPawn(pos, bState, dir);
if (capPawn == null)
{
return(new List <PawnMove>());
}
pos = capPawn.GetPosition();
if (pMove.GetCapturedList().Contains(capPawn))
{
return(GetCaptureList(pos, bState, dir, pMove));
}
pos = pos.GetMoved(dir);
var result = new List <PawnMove>();
while (bState.IsOnBoard(pos) && bState.GetColor(pos) == PawnColor.NONE)
{
var destMove = pMove.CreateIncrMove(pos, capPawn, false);
result.AddRange(GetCaptureList(pos, bState, destMove));
pos = pos.GetMoved(dir);
}
return(result);
}
protected override List <PawnMove> GetCaptureList(Dot pos, BoardState bState, Dot dir, PawnMove pMove)
{
if (CanCapture(pos, bState, dir) == false)
{
return(new List <PawnMove>());
}
var capPawn = bState.GetPawn(pos.GetMoved(dir));
if (pMove.GetCapturedList().Contains(capPawn))
{
return(new List <PawnMove>());
}
var destPos = pos.GetMoved(dir.X * 2, dir.Y * 2);
bool isDamePos = IsDameLanePos(destPos, bState);
var destMove = pMove.CreateIncrMove(destPos, capPawn, isDamePos);
return(GetCaptureList(destPos, bState, destMove));
}