public void DetermineTargetCoordinate_ShouldShootANeighborOfAHitSquare()
{
for (int numberOfChecks = 0; numberOfChecks < 5; numberOfChecks++)
{
//Arrange
GridCoordinate hitCoordinate = new GridCoordinateBuilder(_grid.Size).Build();
_gridBuilder.WithSquareStatus(hitCoordinate, GridSquareStatus.Hit);
var ship = new ShipBuilder(ShipKind.Carrier).Build();
_strategy.RegisterShotResult(hitCoordinate, ShotResult.CreateHit(ship, true));
IList <GridCoordinate> expectedCoordinates = new List <GridCoordinate>();
foreach (Direction direction in Direction.BasicDirections)
{
GridCoordinate neighbor = hitCoordinate.GetNeighbor(direction);
if (!neighbor.IsOutOfBounds(_grid.Size))
{
expectedCoordinates.Add(neighbor);
}
}
//Act
GridCoordinate result = _strategy.DetermineTargetCoordinate();
Assert.That(expectedCoordinates.Contains(result), Is.True,
$"Bij een leeg grid met een raak shot op {hitCoordinate} " +
$"moet er geschoten worden op ייn van de volgende coordinaten: {expectedCoordinates.ToArray().Print()}. " +
$"De strategie kiest soms echter {result}");
Setup();
}
}
private void RegisterSunkenShip(ShipKind sunkenShipKind)
{
var shipBuilder = new ShipBuilder(sunkenShipKind).WithSquares(GridSquareStatus.Hit);
var ship = shipBuilder.Build();
for (var index = 0; index < ship.Squares.Length - 1; index++)
{
IGridSquare shipSquare = ship.Squares[index];
_strategy.RegisterShotResult(shipSquare.Coordinate, ShotResult.CreateHit(ship, true));
}
shipBuilder.WithHasSunk(true);
_strategy.RegisterShotResult(ship.Squares[ship.Kind.Size - 1].Coordinate, ShotResult.CreateHit(ship, true));
}
public void DetermineTargetCoordinate_ShouldDetectTheShipWith2HitsWhenANeighborShipAlsoHasAHit()
{
for (int numberOfChecks = 0; numberOfChecks < 10; numberOfChecks++)
{
//Arrange
GridCoordinate hit1 = new GridCoordinate(RandomGenerator.Next(2, _grid.Size - 2), RandomGenerator.Next(2, _grid.Size - 2));
GridCoordinate miss1 = new GridCoordinate(hit1.Row - 1, hit1.Column);
GridCoordinate hit2 = new GridCoordinate(hit1.Row + 1, hit1.Column);
GridCoordinate miss2 = new GridCoordinate(hit2.Row + 1, hit2.Column);
GridCoordinate hit3 = new GridCoordinate(hit2.Row, hit2.Column + 1);
var ship1 = new ShipBuilder(ShipKind.Carrier).Build();
var ship2 = new ShipBuilder(ShipKind.Battleship).Build();
_gridBuilder.WithSquareStatus(miss1, GridSquareStatus.Miss);
_gridBuilder.WithSquareStatus(hit1, GridSquareStatus.Hit);
_strategy.RegisterShotResult(hit1, ShotResult.CreateHit(ship1, true));
_gridBuilder.WithSquareStatus(hit2, GridSquareStatus.Hit);
_strategy.RegisterShotResult(hit2, ShotResult.CreateHit(ship2, true));
_gridBuilder.WithSquareStatus(miss2, GridSquareStatus.Miss);
_gridBuilder.WithSquareStatus(hit3, GridSquareStatus.Hit);
_strategy.RegisterShotResult(hit3, ShotResult.CreateHit(ship2, true));
IList <GridCoordinate> expectedCoordinates = new List <GridCoordinate>
{
new GridCoordinate(hit3.Row, hit3.Column + 1),
new GridCoordinate(hit2.Row, hit2.Column - 1)
};
//Act
GridCoordinate result = _strategy.DetermineTargetCoordinate();
Assert.That(expectedCoordinates.Contains(result), Is.True,
$"Bij een grid met volgende situatie: missers -> {miss1} en {miss2}, rake schoten -> {hit1}, {hit2} en {hit3} " +
$"moet er geschoten worden op ייn van de volgende coordinaten: {expectedCoordinates.ToArray().Print()}. " +
$"De strategie kiest soms echter {result}");
Setup();
}
}
private void RegisterSunkenShip(ShipKind sunkenShipKind, GridCoordinate[] coordinates)
{
// Get ship squares
IGridSquare[] squares = coordinates.Select(c =>
{
GridSquare square = new GridSquare(c);
square.Status = GridSquareStatus.Hit;
return(square);
}).ToArray();
var shipBuilder = new ShipBuilder(sunkenShipKind).WithSquares(squares);
var ship = shipBuilder.Build();
for (var index = 0; index < ship.Squares.Length - 1; index++)
{
IGridSquare shipSquare = ship.Squares[index];
_strategy.RegisterShotResult(shipSquare.Coordinate, ShotResult.CreateHit(ship, true));
}
shipBuilder.WithHasSunk(true);
_strategy.RegisterShotResult(ship.Squares[ship.Kind.Size - 1].Coordinate, ShotResult.CreateHit(ship, true));
}
private void DetectSunkenShipsVertically()
{
for (int j = 0; j < _grid.Size; j++)
{
for (int i = 0; i < _grid.Size; i++)
{
if (_grid.Squares[i, j].Status == GridSquareStatus.Hit)
{
int topIndex = i;
while (i < _grid.Size && _grid.Squares[i, j].Status == GridSquareStatus.Hit)
{
i++;
}
int bottomIndex = i - 1;
if (bottomIndex > topIndex)
{
var kind = ShipKind.All.First(kind => kind.Size == bottomIndex - topIndex + 1);
var shipBuilder = new ShipBuilder(kind);
var ship = shipBuilder.Build();
IList <IGridSquare> shipSquares = new List <IGridSquare>();
for (var index = topIndex; index < bottomIndex; index++)
{
shipSquares.Add(_grid.Squares[index, j]);
_strategy.RegisterShotResult(_grid.Squares[index, j].Coordinate,
ShotResult.CreateHit(ship, true));
}
shipSquares.Add(_grid.Squares[bottomIndex, j]);
shipBuilder.WithSquares(shipSquares.ToArray());
shipBuilder.WithHasSunk(true);
_strategy.RegisterShotResult(_grid.Squares[bottomIndex, j].Coordinate,
ShotResult.CreateHit(ship, true));
}
}
}
}
}
private void DetectSunkenShipsHorizontally()
{
for (int i = 0; i < _grid.Size; i++)
{
for (int j = 0; j < _grid.Size; j++)
{
if (_grid.Squares[i, j].Status == GridSquareStatus.Hit)
{
int leftIndex = j;
while (j < _grid.Size && _grid.Squares[i, j].Status == GridSquareStatus.Hit)
{
j++;
}
int rightIndex = j - 1;
if (rightIndex > leftIndex)
{
var kind = ShipKind.All.First(kind => kind.Size == rightIndex - leftIndex + 1);
var shipBuilder = new ShipBuilder(kind);
var ship = shipBuilder.Build();
IList <IGridSquare> shipSquares = new List <IGridSquare>();
for (var index = leftIndex; index < rightIndex; index++)
{
shipSquares.Add(_grid.Squares[i, index]);
_strategy.RegisterShotResult(_grid.Squares[i, index].Coordinate,
ShotResult.CreateHit(ship, true));
}
shipSquares.Add(_grid.Squares[i, rightIndex]);
shipBuilder.WithSquares(shipSquares.ToArray());
shipBuilder.WithHasSunk(true);
_strategy.RegisterShotResult(_grid.Squares[i, rightIndex].Coordinate,
ShotResult.CreateHit(ship, true));
}
}
}
}
}
public ShotResult ShootAt(IPlayer opponent, GridCoordinate coordinate)
{
if (HasBombsLoaded == true)
{
this._HasBombsLoaded = false;
IGridSquare square = opponent.Grid.Shoot(coordinate);
opponent.ReloadBombs();
if (square.Status == GridSquareStatus.Hit)
{
return(ShotResult.CreateHit(opponent.Fleet.FindShipAtCoordinate(coordinate), this.settings.MustReportSunkenShip));
}
if (square.Status == GridSquareStatus.Miss)
{
return(ShotResult.CreateMissed());
}
return(ShotResult.CreateMissed());
}
else
{
return(ShotResult.CreateMisfire("You have no bombs loaded"));
}
}
public ShotResult ShootAt(IPlayer opponent, GridCoordinate coordinate)
{
/* Get the grid of the opponent & shoot */
IGridSquare square = opponent.Grid.Shoot(coordinate);
/* Bomb has been shot */
this.nrOfBombsLoaded = 0;
/* The grid square informas about the result of the shot */
if (square.Status == GridSquareStatus.Hit)
{
/* Ship hit */
return(ShotResult.CreateHit(opponent.Fleet.FindShipAtCoordinate(coordinate), mustReportSunkenShip));
}
else if (square.Status == GridSquareStatus.Miss)
{
/* Missed */
return(ShotResult.CreateMissed());
}
else
{
return(ShotResult.CreateMisfire("out of bound"));
}
}
public void DetermineTargetCoordinate_ShouldShootInTheRightDirectionIfTwoSquaresAreHit()
{
for (int numberOfChecks = 0; numberOfChecks < 10; numberOfChecks++)
{
//Arrange
GridCoordinate hit1 = new GridCoordinate(RandomGenerator.Next(2, _grid.Size - 1), RandomGenerator.Next(2, _grid.Size - 1));
int horizontalStep = RandomGenerator.Next(0, 2);
int verticalStep = horizontalStep == 0 ? 1 : 0;
GridCoordinate hit2 = new GridCoordinate(hit1.Row + verticalStep, hit1.Column + horizontalStep);
var ship = new ShipBuilder(ShipKind.Carrier).Build();
_gridBuilder.WithSquareStatus(hit1, GridSquareStatus.Hit);
_strategy.RegisterShotResult(hit1, ShotResult.CreateHit(ship, true));
_gridBuilder.WithSquareStatus(hit2, GridSquareStatus.Hit);
_strategy.RegisterShotResult(hit2, ShotResult.CreateHit(ship, true));
IList <GridCoordinate> expectedCoordinates = new List <GridCoordinate>();
Direction hit2To1Direction = Direction.FromCoordinates(hit2, hit1);
expectedCoordinates.Add(hit1.GetNeighbor(hit2To1Direction));
Direction hit1To2Direction = hit2To1Direction.Opposite;
expectedCoordinates.Add(hit2.GetNeighbor(hit1To2Direction));
//Act
GridCoordinate result = _strategy.DetermineTargetCoordinate();
Assert.That(expectedCoordinates.Contains(result), Is.True,
$"Bij een grid met 2 rake schoten shot op {hit1} en {hit2} " +
$"moet er geschoten worden op ייn van de volgende coordinaten: {expectedCoordinates.ToArray().Print()}. " +
$"De strategie kiest soms echter {result}");
Setup();
}
}