public bool isBoat(RowCol pos) =>
pos.Row > -1 && pos.Row <RowCol.MaxRow &&
pos.Col> -1 && pos.Col < RowCol.MaxCol && (
((ShipType)Board.GetValue(pos.Row, pos.Col)) == ShipType.Battleship ||
((ShipType)Board.GetValue(pos.Row, pos.Col)) == ShipType.Cruiser ||
((ShipType)Board.GetValue(pos.Row, pos.Col)) == ShipType.Carrier ||
((ShipType)Board.GetValue(pos.Row, pos.Col)) == ShipType.Destroyer ||
((ShipType)Board.GetValue(pos.Row, pos.Col)) == ShipType.Submarine);
public bool Place(IShip ship)
{
int size = ship.Size;
var startPos = new RowCol(seed.NextRow(), seed.NextColumn());
var endPos = new RowCol((size + startPos.Row) - 1, startPos.Col);
bool canBePlacedHere()
{
if (boatFitsInSpace(startPos, endPos))
{
ship.Position = new Position {
Start = startPos,
End = endPos,
Occupies = AllocateGridPositions(startPos, endPos)
};
foreach (var space in ship.Position.Occupies)
{
Board.SetValue(ship.ShipType, space.Row, space.Col);
}
return(true);
}
return(false);
}
if (canBePlacedHere())
{
return(true);
}
endPos = new RowCol(startPos.Row, (startPos.Col + size) - 1);
if (canBePlacedHere())
{
return(true);
}
endPos = new RowCol(startPos.Row, (startPos.Col - size) + 1);
if (canBePlacedHere())
{
return(true);
}
endPos = new RowCol((startPos.Row - size) + 1, startPos.Col);
if (canBePlacedHere())
{
return(true);
}
return(false);
}
public ShipType TakeTurn(BattleshipBoard enemy)
{
var random = new Random();
int row = random.Next(10);
int col = random.Next(10);
var target = new RowCol(row, col);
if (lastGo.Hit == ShipType.Hit)
{
var temp = lastGo.LastRowCol.FindAdjacentEmptyCell(enemy);
if (temp.IsValid())
{
target = temp;
}
}
lastGo.Hit = ShipType.Miss;
while (!enemy.findPossibleTarget(target))
{
row = random.Next(10);
col = random.Next(10);
target = new RowCol(row, col);
}
lastGo.Hit = enemy.FireMissile(target);
lastGo.LastRowCol = target;
switch (lastGo.Hit)
{
case ShipType.Battleship:
case ShipType.Carrier:
case ShipType.Cruiser:
case ShipType.Destroyer:
case ShipType.Submarine:
Console.WriteLine($"You hit my {lastGo.Hit.ToString()}");
lastGo.Hit = ShipType.Hit;
break;
case ShipType.Water:
Console.WriteLine($"Miss!!!");
lastGo.Hit = ShipType.Miss;
break;
}
return(lastGo.Hit);
}
public bool boatFitsInSpace(RowCol startPos, RowCol endPos)
{
var positions = AllocateGridPositions(startPos, endPos);
bool valid = true;
foreach (var position in positions)
{
if (!isWater(position))
{
valid = false;
break;
}
}
return(valid);
}
public ShipType FireMissile(RowCol pos)
{
Console.WriteLine($"Fire: {pos.Row}{pos.Col}");
var square = (ShipType)Board.GetValue(pos.Row, pos.Col);
if (isBoat(pos))
{
Board.SetValue(ShipType.Hit, pos.Row, pos.Col);
Fleet.First(x => x.ShipType == square).Hits++;
}
else
{
Board.SetValue(ShipType.Miss, pos.Row, pos.Col);
}
return(square);
}
public List <RowCol> AllocateGridPositions(RowCol start, RowCol end)
{
var positions = new List <RowCol>();
var cols = Enumerable.Range(Math.Min(start.Col, end.Col), Math.Abs(end.Col - start.Col) + 1).Select(x => x);
var rows = Enumerable.Range(Math.Min(start.Row, end.Row), Math.Abs(end.Row - start.Row) + 1).Select(x => x);
// set middle placements
foreach (var col in cols)
{
foreach (var row in rows)
{
positions.Add(new RowCol(row, col));
}
}
return(positions);
}
public bool findPossibleTarget(RowCol pos) => ((ShipType)Board.GetValue(pos.Row, pos.Col)) != ShipType.Hit && ((ShipType)Board.GetValue(pos.Row, pos.Col)) != ShipType.Miss;
public bool isWater(RowCol pos) =>
pos.Row > -1 && pos.Row <RowCol.MaxRow &&
pos.Col> -1 && pos.Col < RowCol.MaxCol &&
((ShipType)Board.GetValue(pos.Row, pos.Col)) == ShipType.Water;
