public void IsInsideBoard_Test()
{
var c1 = new Coords(3, 4);
Assert.IsTrue(c1.IsInsideBoard(8));
Assert.IsFalse(c1.IsInsideBoard(4));
c1 = new Coords(-1, 3);
Assert.IsFalse(c1.IsInsideBoard(8));
c1 = new Coords(1, -1);
Assert.IsFalse(c1.IsInsideBoard(8));
}
/// <summary>
/// </summary>
private static bool IsDirectionValid(FieldValue color, Coords start, Coords dir, IBoardReader board)
{
bool isValid = false;
Coords current = start + dir;
FieldValue oppositeColor = color.OppositeColor();
//Make sure next is oppositecolor, otherwise move is invalid.
if (current.IsInsideBoard(board.Size) && board.GetFieldValue(current) == oppositeColor)
{
current += dir;
while (current.IsInsideBoard(board.Size))
{
//Found one of ours, direction is valid, break
if (board.GetFieldValue(current) == color)
{
isValid = true;
break;
}
//Did not find one of ours, direction is invalid, break.
else if (board.GetFieldValue(current) == FieldValue.Empty)
{
break;
}
//Else, continue looking
current += dir;
}
}
return(isValid);
}
public FieldValue GetFieldValue(Coords coords)
{
if (!coords.IsInsideBoard(Size))
{
throw new ArgumentOutOfRangeException("Row or column index out of range");
}
return(m_fields[coords.X, coords.Y]);
}
public void SetFieldValue(FieldValue value, Coords coords)
{
if (!coords.IsInsideBoard(Size))
{
throw new ArgumentOutOfRangeException("Row or column index out of range");
}
if (m_fields[coords.X, coords.Y] != value)
{
m_fields[coords.X, coords.Y] = value;
if (BoardChanged != null)
{
BoardChanged(coords, value);
}
}
}
public void FlipPiece(Coords coords)
{
if (!coords.IsInsideBoard(Size))
{
throw new ArgumentOutOfRangeException("Row or column index out of range");
}
var value = m_fields[coords.X, coords.Y];
if (value != FieldValue.Black && value != FieldValue.White)
{
throw new ArgumentException("No piece to flip!");
}
SetFieldValue(value.OppositeColor(), coords);
}
/// <summary>
/// Flips one direction. Make sure the direction is a valid direction
/// before flipping. Otherwise it will flip all pieces.
/// </summary>
private void FlipDirection(FieldValue color, Coords start, Coords dir)
{
Coords current = start + dir;
FieldValue oppositeColor = color.OppositeColor();
FieldValue currentValue;
while (current.IsInsideBoard(m_board.Size))
{
currentValue = m_board.GetFieldValue(current);
if (currentValue == FieldValue.Empty)
{
throw new InvalidOperationException("Tried to flip invalid direction.");
}
if (currentValue == color)
{
break;
}
m_board.FlipPiece(current);
current += dir;
}
}
/// <summary>
/// </summary>
private static bool IsDirectionValid(FieldValue color, Coords start, Coords dir, IBoardReader board)
{
bool isValid = false;
Coords current = start + dir;
FieldValue oppositeColor = color.OppositeColor();
//Make sure next is oppositecolor, otherwise move is invalid.
if(current.IsInsideBoard(board.Size) && board.GetFieldValue(current) == oppositeColor)
{
current += dir;
while(current.IsInsideBoard(board.Size))
{
//Found one of ours, direction is valid, break
if (board.GetFieldValue(current) == color)
{
isValid = true;
break;
}
//Did not find one of ours, direction is invalid, break.
else if(board.GetFieldValue(current) == FieldValue.Empty)
{
break;
}
//Else, continue looking
current += dir;
}
}
return isValid;
}
public void SetFieldValue(FieldValue value, Coords coords)
{
if (!coords.IsInsideBoard(Size))
{
throw new ArgumentOutOfRangeException("Row or column index out of range");
}
if (m_fields[coords.X, coords.Y] != value)
{
m_fields[coords.X, coords.Y] = value;
if (BoardChanged != null)
{
BoardChanged(coords, value);
}
}
}
public FieldValue GetFieldValue(Coords coords)
{
if (!coords.IsInsideBoard(Size))
{
throw new ArgumentOutOfRangeException("Row or column index out of range");
}
return m_fields[coords.X, coords.Y];
}
public void FlipPiece(Coords coords)
{
if (!coords.IsInsideBoard(Size))
{
throw new ArgumentOutOfRangeException("Row or column index out of range");
}
var value = m_fields[coords.X, coords.Y];
if (value != FieldValue.Black && value != FieldValue.White)
{
throw new ArgumentException("No piece to flip!");
}
SetFieldValue(value.OppositeColor(), coords);
}