public GridCell GetNeighborGrid(CellNeighbor nb)
{
switch (nb)
{
case CellNeighbor.Left:
{
GridColumn prevColumn = column.PrevColumn;
if (prevColumn != null)
{
return(prevColumn.GetCell(row.RowIndex));
}
else
{
return(null);
}
}
case CellNeighbor.Right:
{
GridColumn nextColumn = column.NextColumn;
if (nextColumn != null)
{
return(nextColumn.GetCell(row.RowIndex));
}
else
{
return(null);
}
}
case CellNeighbor.Up:
{
if (row.RowIndex > 0)
{
return(column.GetCell(row.RowIndex - 1));
}
else
{
return(null);
}
}
case CellNeighbor.Down:
{
if (row.RowIndex < row.OwnerGridRowCount - 1)
{
return(column.GetCell(row.RowIndex + 1));
}
else
{
return(null);
}
}
default:
{
#if DEBUG
throw new NotSupportedException();
#else
return(null);
#endif
}
}
}
public Cell GetNeighborCell(Cell currentCell, CellNeighbor neighbor)
{
Cell nCell = null;
if (currentCell == null) return null;
try
{
switch (neighbor)
{
case CellNeighbor.Backward:
nCell = _board[GetBoardNumber(currentCell.GetName())][GetCellRow(currentCell.GetName()), GetCellCol(currentCell.GetName()) - 1];
break;
case CellNeighbor.Forward:
nCell = _board[GetBoardNumber(currentCell.GetName())][GetCellRow(currentCell.GetName()), GetCellCol(currentCell.GetName()) + 1];
break;
case CellNeighbor.Up:
nCell = _board[GetBoardNumber(currentCell.GetName()) - 1][GetCellRow(currentCell.GetName()), GetCellCol(currentCell.GetName())];
break;
case CellNeighbor.Down:
nCell = _board[GetBoardNumber(currentCell.GetName()) + 1][GetCellRow(currentCell.GetName()), GetCellCol(currentCell.GetName())];
break;
case CellNeighbor.Left:
nCell = _board[GetBoardNumber(currentCell.GetName())][GetCellRow(currentCell.GetName()) - 1, GetCellCol(currentCell.GetName())];
break;
case CellNeighbor.Right:
nCell = _board[GetBoardNumber(currentCell.GetName())][GetCellRow(currentCell.GetName()) + 1, GetCellCol(currentCell.GetName())];
break;
}
}
catch (Exception)
{
return null;
}
return nCell;
}
public bool IsSameOrOpposite(CellNeighbor direction1, CellNeighbor direction2)
{
if (direction1 == direction2) return true;
switch (direction1)
{
case CellNeighbor.Backward:
return direction2 == CellNeighbor.Forward;
case CellNeighbor.Forward:
return direction2 == CellNeighbor.Backward;
case CellNeighbor.Up:
return direction2 == CellNeighbor.Down;
case CellNeighbor.Down:
return direction2 == CellNeighbor.Up;
case CellNeighbor.Left:
return direction2 == CellNeighbor.Right;
}
return direction2 == CellNeighbor.Left;
}
public GridCell GetNeighborGrid(CellNeighbor nb)
{
switch (nb)
{
case CellNeighbor.Left:
{
GridColumn prevColumn = column.PrevColumn;
if (prevColumn != null)
{
return prevColumn.GetCell(row.RowIndex);
}
else
{
return null;
}
}
case CellNeighbor.Right:
{
GridColumn nextColumn = column.NextColumn;
if (nextColumn != null)
{
return nextColumn.GetCell(row.RowIndex);
}
else
{
return null;
}
}
case CellNeighbor.Up:
{
if (row.RowIndex > 0)
{
return column.GetCell(row.RowIndex - 1);
}
else
{
return null;
}
}
case CellNeighbor.Down:
{
if (row.RowIndex < row.OwnerGridRowCount - 1)
{
return column.GetCell(row.RowIndex + 1);
}
else
{
return null;
}
}
default:
{
#if DEBUG
throw new NotSupportedException();
#else
return null;
#endif
}
}
}
