public override void SetEnablePositions(ISituation situation, out Positions enableMovein, out Positions enableCapture)
{
enableCapture = new Positions();
enableMovein = new Positions();
Position aPos = this.Position.ShiftWestNorth();
Position bPos = this.Position.ShiftEastNorth();
Position cPos = this.Position.ShiftWestSouth();
Position dPos = this.Position.ShiftEastSouth();
if (aPos != Position.Empty)
{
Position.Shift(this.GameSide, situation, aPos.ShiftNorth(), enableMovein, enableCapture);
Position.Shift(this.GameSide, situation, aPos.ShiftWest(), enableMovein, enableCapture);
}
if (bPos != Position.Empty)
{
Position.Shift(this.GameSide, situation, bPos.ShiftNorth(), enableMovein, enableCapture);
Position.Shift(this.GameSide, situation, bPos.ShiftEast(), enableMovein, enableCapture);
}
if (cPos != Position.Empty)
{
Position.Shift(this.GameSide, situation, cPos.ShiftWest(), enableMovein, enableCapture);
Position.Shift(this.GameSide, situation, cPos.ShiftSouth(), enableMovein, enableCapture);
}
if (dPos != Position.Empty)
{
Position.Shift(this.GameSide, situation, dPos.ShiftEast(), enableMovein, enableCapture);
Position.Shift(this.GameSide, situation, dPos.ShiftSouth(), enableMovein, enableCapture);
}
}
/// <summary>
/// 车的基本路线(即横平竖直)
/// </summary>
internal static void RookShift(
Enums.GameSide side, ISituation situation, Position position,
Positions moveInPs, Positions capturePs)
{
bool canContine = true;
Position tgtPos = Position.Empty;
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftEast();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftSouth();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftWest();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftNorth();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
}
/// <summary>
/// 车的基本路线(即横平竖直)
/// </summary>
internal static void RookShift(
Enums.GameSide side, ISituation situation, Position position,
Positions moveInPs, Positions capturePs)
{
bool canContine = true;
Position tgtPos = Position.Empty;
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftEast();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftSouth();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftWest();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
canContine = true;
tgtPos = position;
while (canContine)
{
tgtPos = tgtPos.ShiftNorth();
canContine = Position.Shift(side, situation, tgtPos, moveInPs, capturePs);
}
}
public override void SetEnablePositions(ISituation situation, out Positions enableMovein, out Positions enableCapture)
{
enableMovein = new Positions();
enableCapture = new Positions();
if (this.GameSide == Enums.GameSide.White)
{
#region 白兵
if (this.Position.Y < 1)
{
return; //白兵怎么也不可能在第一行上
}
Position tmpPos = Position.Empty;
//向北
tmpPos = this.Position.ShiftNorth();
if (tmpPos == Position.Empty)
{
return;
}
if (!situation.ContainsPiece(tmpPos.Dot))
{
enableMovein.Add(tmpPos);
}
//再向北(仅当在兵从未动过时)
if (this.Position.Y == 1)
{
tmpPos = tmpPos.ShiftNorth();
if (!situation.ContainsPiece(tmpPos.Dot))
{
enableMovein.Add(tmpPos);
}
}
//吃过路兵的判断
if (this.Position.Y == 4)
{
#region 过路兵
//西北
tmpPos = this.Position.ShiftWest();
if (tmpPos != null)
{
Piece pawn;
Game game = (Game)situation;
if (game.TryGetPiece(tmpPos.Dot, out pawn))
{
if (pawn is PiecePawn)
{
if (((PiecePawn)pawn).EnableEnPassanted)
{
enableMovein.Add(this.Position.ShiftWestNorth());
enableCapture.Add(tmpPos);
}
}
}
}
//东北
tmpPos = this.Position.ShiftEast();
if (tmpPos != null)
{
Piece pawn;
Game game = (Game)situation;
if (game.TryGetPiece(tmpPos.Dot, out pawn))
{
if (pawn is PiecePawn)
{
if (((PiecePawn)pawn).EnableEnPassanted)
{
enableMovein.Add(this.Position.ShiftEastNorth());
enableCapture.Add(tmpPos);
}
}
}
}
#endregion
}
//剑指西北
Position.Shift(this.GameSide, situation, this.Position.ShiftWestNorth(), enableMovein, enableCapture, false);
//剑指东北
Position.Shift(this.GameSide, situation, this.Position.ShiftEastNorth(), enableMovein, enableCapture, false);
#endregion
}
else
{
#region 黑兵
if (this.Position.Y > 6)
{
return;
}
Position tmpPos = Position.Empty;
//向南
tmpPos = this.Position.ShiftSouth();
if (tmpPos == Position.Empty)
{
return;
}
if (!situation.ContainsPiece(tmpPos.Dot))
{
enableMovein.Add(tmpPos);
}
//再向南(仅当在兵从未动过时)
if (this.Position.Y == 6)
{
tmpPos = tmpPos.ShiftSouth();
if (!situation.ContainsPiece(tmpPos.Dot))
{
enableMovein.Add(tmpPos);
}
}
//吃过路兵的判断
if (this.Position.Y == 3)
{
#region 过路兵
//西南
tmpPos = this.Position.ShiftWest();
if (tmpPos != null)
{
Piece pawn;
Game game = (Game)situation;
if (game.TryGetPiece(tmpPos.Dot, out pawn))
{
if (pawn is PiecePawn)
{
if (((PiecePawn)pawn).EnableEnPassanted)
{
enableMovein.Add(this.Position.ShiftWestSouth());
enableCapture.Add(tmpPos);
}
}
}
}
//东南
tmpPos = this.Position.ShiftEast();
if (tmpPos != null)
{
Piece pawn;
Game game = (Game)situation;
if (game.TryGetPiece(tmpPos.Dot, out pawn))
{
if (pawn is PiecePawn)
{
if (((PiecePawn)pawn).EnableEnPassanted)
{
enableMovein.Add(this.Position.ShiftEastSouth());
enableCapture.Add(tmpPos);
}
}
}
}
#endregion
}
//剑指西南
Position.Shift(this.GameSide, situation, this.Position.ShiftWestSouth(), enableMovein, enableCapture, false);
//剑指东南
Position.Shift(this.GameSide, situation, this.Position.ShiftEastSouth(), enableMovein, enableCapture, false);
#endregion
}
}