public OptimizedCell GetCellFromDirection(OptimizedCell firstCell, OptimizedCell secondCell)
{
OptimizedCell destinationCell;
//middle up
if (firstCell.y == secondCell.y && (firstCell.x + 2) == secondCell.x)
{
destinationCell = GetCell(secondCell.x + 2, secondCell.y);
if (destinationCell != null)
{
return(destinationCell);
}
}
//middle down
if (firstCell.y == secondCell.y && (firstCell.x - 2) == secondCell.x)
{
destinationCell = GetCell(secondCell.x - 2, secondCell.y);
if (destinationCell != null)
{
return(destinationCell);
}
}
//middle left
if (firstCell.y - 1 == secondCell.y && firstCell.x == secondCell.x)
{
destinationCell = GetCell(secondCell.x, secondCell.y - 1);
if (destinationCell != null)
{
return(destinationCell);
}
}
//middle right
if (firstCell.y + 1 == secondCell.y && firstCell.x == secondCell.x)
{
destinationCell = GetCell(secondCell.x, secondCell.y + 1);
if (destinationCell != null)
{
return(destinationCell);
}
}
int offsetFirstCell = firstCell.x % 2;
int offsetSecondCell = secondCell.x % 2;
//top left
if ((firstCell.y - 1 + offsetFirstCell) == secondCell.y && (firstCell.x + 1) == secondCell.x)
{
destinationCell = GetCell(secondCell.x + 1, secondCell.y - 1 + offsetSecondCell);
if (destinationCell != null)
{
return(destinationCell);
}
}
//top right
if ((firstCell.y + offsetFirstCell) == secondCell.y && (firstCell.x + 1) == secondCell.x)
{
destinationCell = GetCell(secondCell.x + 1, secondCell.y + offsetSecondCell);
if (destinationCell != null)
{
return(destinationCell);
}
}
//bottom left
if ((firstCell.y - 1 + offsetFirstCell) == secondCell.y && (firstCell.x - 1) == secondCell.x)
{
destinationCell = GetCell(secondCell.x - 1, secondCell.y - 1 + offsetSecondCell);
if (destinationCell != null)
{
return(destinationCell);
}
}
//bottom right
if ((firstCell.y + offsetFirstCell) == secondCell.y && (firstCell.x - 1) == secondCell.x)
{
destinationCell = GetCell(secondCell.x - 1, secondCell.y + offsetSecondCell);
if (destinationCell != null)
{
return(destinationCell);
}
}
return(null);
}
public List <Move> GetAvailableMoves(CellColor color, bool enableJump = true, bool canOnlyJump = false)
{
List <Move> moves = new List <Move>();
int ballsLeft, i, j = 0;
if (color == CellColor.Black)
{
ballsLeft = blackBallsLeft.Count;
}
else
{
ballsLeft = whiteBallsLeft.Count;
}
if (ballsLeft == 0)
{
for (i = 0; i < Cells.Length; ++i)
{
for (j = 0; j < Cells[i].Length; ++j)
{
if (Cells[i][j].color == color)
{
OptimizedCell actualCell = new OptimizedCell();
actualCell.x = i;
actualCell.y = j;
actualCell.color = color;
List <OptimizedCell> cells = GetCellNeighbours(actualCell);
foreach (OptimizedCell cell in cells)
{
if (cell.color == CellColor.None)
{
if (canOnlyJump)
{
continue;
}
Move move = new Move();
move.fromX = actualCell.x;
move.fromY = actualCell.y;
move.toX = cell.x;
move.toY = cell.y;
move.color = actualCell.color;
move.isPoint = cell.isPoint;
moves.Add(move);
}
else if (cell.color != CellColor.NOT_A_CELL && enableJump)
{
OptimizedCell potentialCell = GetCellFromDirection(actualCell, cell);
if (potentialCell != null && potentialCell.color == CellColor.None)
{
Move move = new Move();
move.fromX = actualCell.x;
move.fromY = actualCell.y;
move.toX = potentialCell.x;
move.toY = potentialCell.y;
move.color = actualCell.color;
move.isPoint = actualCell.isPoint;
moves.Add(move);
}
}
}
}
}
}
}
else
{
for (i = 0; i < cells.Length; ++i)
{
for (j = 0; j < cells[i].Length; ++j)
{
if (cells[i][j].color == CellColor.None)
{
Move move = new Move();
move.fromX = -1;
move.fromY = -1;
move.toX = i;
move.toY = j;
move.color = color;
move.isPoint = ((ballsLeft % 2) == 0) ? false : true;
moves.Add(move);
}
}
}
}
return(moves);
}
public List <OptimizedCell> GetCellNeighbours(OptimizedCell cell)
{
List <OptimizedCell> neighbours = new List <OptimizedCell>();
OptimizedCell neighbour = new OptimizedCell();
//middle up
neighbour = GetCell(cell.x + 2, cell.y);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
//middle down
neighbour = GetCell(cell.x - 2, cell.y);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
//middle left
neighbour = GetCell(cell.x, cell.y - 1);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
//middle right
neighbour = GetCell(cell.x, cell.y + 1);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
int offset = cell.x % 2;
//top left
neighbour = GetCell(cell.x + 1, cell.y - 1 + offset);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
//top right
neighbour = GetCell(cell.x + 1, cell.y + offset);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
//bottom left
neighbour = GetCell(cell.x - 1, cell.y - 1 + offset);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
//bottom right
neighbour = GetCell(cell.x - 1, cell.y + offset);
if (neighbour != null)
{
neighbours.Add(neighbour);
}
return(neighbours);
}