public static ChineseChessPosition FindFirstOpponentOnColumn(Int32 curCol, Int32 startRow,
Dictionary <ChineseChessPosition, Boolean> boardStates, Boolean increase)
{
Int32 nRow = startRow;
if (increase)
{
for (; nRow <= ChineseChessPosition.MaximumRow; nRow++)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = nRow, Column = curCol
};
if (boardStates.ContainsKey(pos))
{
if (boardStates[pos])
{
return(null);
}
else
{
return(pos);
}
}
}
}
else
{
for (; nRow >= ChineseChessPosition.MinimumRow; nRow--)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = nRow, Column = curCol
};
if (boardStates.ContainsKey(pos))
{
if (boardStates[pos])
{
return(null);
}
else
{
return(pos);
}
}
}
}
return(null);
}
public static ChineseChessPosition FindFirstOpponentOnRow(Int32 curRow, Int32 startCol,
Dictionary <ChineseChessPosition, Boolean> boardStates, Boolean increase)
{
Int32 nCol = startCol;
if (increase)
{
for (; nCol <= ChineseChessPosition.MaximumColumn; nCol++)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = curRow, Column = nCol
};
if (boardStates.ContainsKey(pos))
{
if (boardStates[pos])
{
return(null);
}
else
{
return(pos);
}
}
}
}
else
{
for (; nCol >= ChineseChessPosition.MinimumColumn; nCol--)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = curRow, Column = nCol
};
if (boardStates.ContainsKey(pos))
{
if (boardStates[pos])
{
return(null);
}
else
{
return(pos);
}
}
}
}
return(null);
}
private void CaptureOppoPiece(ChineseChessPosition pos)
{
Int32 idx = -1;
for (var i = 0; i < OppoPieces.Count; i++)
{
if (OppoPieces[i].Position == pos)
{
idx = i;
break;
}
}
if (idx != -1)
{
OppoPieces.RemoveAt(idx);
}
}
public ChineseChessPiece(String name = null, Int32?row = null, Int32?column = null)
{
Position = new ChineseChessPosition();
if (!String.IsNullOrEmpty(name))
{
Name = name;
}
if (row != null)
{
Position.Row = row.Value;
}
if (column != null)
{
Position.Column = column.Value;
}
}
public void MovePieceTo(ChineseChessPiece piece, ChineseChessPosition pos, Boolean?isCapture)
{
piece.MoveToPosition(pos);
Boolean bCap = false;
if (isCapture == null)
{
foreach (var piece2 in OppoPieces)
{
if (piece2.Position == pos)
{
bCap = true;
break;
}
}
}
if (bCap)
{
CaptureOppoPiece(pos);
}
}
public void MoveToPosition(ChineseChessPosition pos)
{
Position.Row = pos.Row;
Position.Column = pos.Column;
}
public static List <ChineseChessPosition> PossibleMovesForPao(Int32 curRow, Int32 curCol,
Dictionary <ChineseChessPosition, Boolean> boardStates)
{
List <ChineseChessPosition> listMoves = new List <ChineseChessPosition>();
for (Int32 i = curRow + 1; i <= ChineseChessPosition.MaximumRow; i++)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = i, Column = curCol
};
if (boardStates.ContainsKey(pos))
{
ChineseChessPosition next = FindFirstOpponentOnColumn(curCol, i + 1, boardStates, true);
if (next != null)
{
listMoves.Add(next);
}
break;
}
listMoves.Add(pos);
}
for (Int32 j = curRow - 1; j >= ChineseChessPosition.MinimumRow; j--)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = j, Column = curCol
};
if (boardStates.ContainsKey(pos))
{
ChineseChessPosition next = FindFirstOpponentOnColumn(curCol, j - 1, boardStates, false);
if (next != null)
{
listMoves.Add(next);
}
break;
}
listMoves.Add(pos);
}
for (Int32 i = curCol + 1; i <= ChineseChessPosition.MaximumColumn; i++)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = curRow, Column = i
};
if (boardStates.ContainsKey(pos))
{
ChineseChessPosition next = FindFirstOpponentOnColumn(curRow, i + 1, boardStates, true);
if (next != null)
{
listMoves.Add(next);
}
break;
}
listMoves.Add(pos);
}
for (Int32 j = curCol - 1; j >= ChineseChessPosition.MinimumColumn; j--)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = curRow, Column = j
};
if (boardStates.ContainsKey(pos))
{
ChineseChessPosition next = FindFirstOpponentOnColumn(curRow, j - 1, boardStates, false);
if (next != null)
{
listMoves.Add(next);
}
break;
}
listMoves.Add(pos);
}
return(listMoves);
}
public static List <ChineseChessPosition> MovesOnSameLine(Int32 curRow,
Int32 curCol, Dictionary <ChineseChessPosition, Boolean> boardStates)
{
List <ChineseChessPosition> listMoves = new List <ChineseChessPosition>();
for (Int32 i = curRow + 1; i <= ChineseChessPosition.MaximumRow; i++)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = i, Column = curRow
};
if (boardStates.ContainsKey(pos))
{
if (!boardStates[pos])
{
listMoves.Add(pos);
}
break;
}
listMoves.Add(pos);
}
for (Int32 j = curRow - 1; j >= ChineseChessPosition.MinimumRow; j--)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = j, Column = curCol
};
if (boardStates.ContainsKey(pos))
{
if (!boardStates[pos])
{
listMoves.Add(pos);
}
break;
}
listMoves.Add(pos);
}
for (Int32 i = curCol + 1; i <= ChineseChessPosition.MaximumColumn; i++)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = curRow, Column = i
};
if (boardStates.ContainsKey(pos))
{
if (!boardStates[pos])
{
listMoves.Add(pos);
}
}
listMoves.Add(pos);
}
for (Int32 j = curCol - 1; j >= ChineseChessPosition.MinimumColumn; j--)
{
ChineseChessPosition pos = new ChineseChessPosition()
{
Row = curRow, Column = j
};
if (boardStates.ContainsKey(pos))
{
if (!boardStates[pos])
{
listMoves.Add(pos);
}
break;
}
listMoves.Add(pos);
}
return(listMoves);
}
