public Board()
{
for (var i = 0; i < TOTAL_CELL_COUNT; i++)
{
_boardCells[i] = new BoardCell();
}
for (var i = 0; i < TOTAL_CELL_COUNT; i++)
{
InitializeBoardCell(_boardCells[i], i);
}
}
private void FindOccupiedBoardCells(List<BoardCell> occupiedCells, PieceCell pieceCell, BoardCell boardCell)
{
if (pieceCell != null && boardCell != null && !pieceCell.IsProcessed)
{
occupiedCells.Add(boardCell);
/* Neighbouring cells can form loops, which would lead to an
infinite recursion. Avoid this by marking the processed
cells. */
pieceCell.IsProcessed = true;
// Repeat for each neighbour of the piece cell
for (var i = 0; i < Cell.NUMBER_OF_SIDES; i++)
{
FindOccupiedBoardCells(occupiedCells,
(PieceCell) pieceCell.GetNeighbor((CellSide) i),
(BoardCell) boardCell.GetNeighbor((CellSide) i));
}
}
}
private void FindOccupiedBoardCells(List <BoardCell> occupiedCells, PieceCell pieceCell, BoardCell boardCell)
{
if (pieceCell != null && boardCell != null && !pieceCell.IsProcessed)
{
occupiedCells.Add(boardCell);
/* Neighbouring cells can form loops, which would lead to an
* infinite recursion. Avoid this by marking the processed
* cells. */
pieceCell.IsProcessed = true;
// Repeat for each neighbour of the piece cell
for (var i = 0; i < Cell.NUMBER_OF_SIDES; i++)
{
FindOccupiedBoardCells(occupiedCells,
(PieceCell)pieceCell.GetNeighbor((CellSide)i),
(BoardCell)boardCell.GetNeighbor((CellSide)i));
}
}
}
/**
* Initialize the neighbours of the given boardCell at the given
* index on the board
*/
private void InitializeBoardCell(BoardCell boardCell, int index)
{
// define the row of the cell.
var row = index / CELLS_IN_ROW_COUNT;
// check if the cell is last or first in the row.
var isFirst = false;
var isLast = false;
if (index % CELLS_IN_ROW_COUNT == 0)
{
isFirst = true;
}
if ((index + 1) % CELLS_IN_ROW_COUNT == 0)
{
isLast = true;
}
if (row % 2 == 0)
{
// Even rows
if (row != 0)
{
// Northern neighbours
if (!isFirst)
{
boardCell.SetNeighbor(CellSide.NORTH_WEST, _boardCells[index - 6]);
}
boardCell.SetNeighbor(CellSide.NORTH_EAST, _boardCells[index - 5]);
}
if (row != ((TOTAL_CELL_COUNT / CELLS_IN_ROW_COUNT) - 1))
{
// Southern neighbours
if (!isFirst)
{
boardCell.SetNeighbor(CellSide.SOUTH_WEST, _boardCells[index + 4]);
}
boardCell.SetNeighbor(CellSide.SOUTH_EAST, _boardCells[index + 5]);
}
}
else
{
// Uneven rows
// Northern neighbours
if (!isLast)
{
boardCell.SetNeighbor(CellSide.NORTH_EAST, _boardCells[index - 4]);
}
boardCell.SetNeighbor(CellSide.NORTH_WEST, _boardCells[index - 5]);
// Southern neighbours
if (row != ((TOTAL_CELL_COUNT / CELLS_IN_ROW_COUNT) - 1))
{
if (!isLast)
{
boardCell.SetNeighbor(CellSide.SOUTH_EAST, _boardCells[index + (CELLS_IN_ROW_COUNT + 1)]);
}
boardCell.SetNeighbor(CellSide.SOUTH_WEST, _boardCells[index + CELLS_IN_ROW_COUNT]);
}
}
// Set the east and west neighbours
if (!isFirst)
{
boardCell.SetNeighbor(CellSide.WEST, _boardCells[index - 1]);
}
if (!isLast)
{
boardCell.SetNeighbor(CellSide.EAST, _boardCells[index + 1]);
}
}
/**
* Initialize the neighbours of the given boardCell at the given
* index on the board
*/
private void InitializeBoardCell(BoardCell boardCell, int index)
{
// define the row of the cell.
var row = index/CELLS_IN_ROW_COUNT;
// check if the cell is last or first in the row.
var isFirst = false;
var isLast = false;
if (index%CELLS_IN_ROW_COUNT == 0) isFirst = true;
if ((index + 1)%CELLS_IN_ROW_COUNT == 0) isLast = true;
if (row%2 == 0)
{
// Even rows
if (row != 0)
{
// Northern neighbours
if (!isFirst)
{
boardCell.SetNeighbor(CellSide.NORTH_WEST, _boardCells[index - 6]);
}
boardCell.SetNeighbor(CellSide.NORTH_EAST, _boardCells[index - 5]);
}
if (row != ((TOTAL_CELL_COUNT/CELLS_IN_ROW_COUNT) - 1))
{
// Southern neighbours
if (!isFirst)
{
boardCell.SetNeighbor(CellSide.SOUTH_WEST, _boardCells[index + 4]);
}
boardCell.SetNeighbor(CellSide.SOUTH_EAST, _boardCells[index + 5]);
}
}
else
{
// Uneven rows
// Northern neighbours
if (!isLast)
{
boardCell.SetNeighbor(CellSide.NORTH_EAST, _boardCells[index - 4]);
}
boardCell.SetNeighbor(CellSide.NORTH_WEST, _boardCells[index - 5]);
// Southern neighbours
if (row != ((TOTAL_CELL_COUNT/CELLS_IN_ROW_COUNT) - 1))
{
if (!isLast)
{
boardCell.SetNeighbor(CellSide.SOUTH_EAST, _boardCells[index + (CELLS_IN_ROW_COUNT + 1)]);
}
boardCell.SetNeighbor(CellSide.SOUTH_WEST, _boardCells[index + CELLS_IN_ROW_COUNT]);
}
}
// Set the east and west neighbours
if (!isFirst)
{
boardCell.SetNeighbor(CellSide.WEST, _boardCells[index - 1]);
}
if (!isLast)
{
boardCell.SetNeighbor(CellSide.EAST, _boardCells[index + 1]);
}
}
