/// <summary>
/// Set the _Value to the PossibleAttack value
/// </summary>
/// <param name="value">either hit, miss, destroyed, shotalready</param>
public AttackResult(ResultOfAttack value, string text, int row, int column)
{
_Value = value;
_Text = text;
_Ship = null;
_Row = row;
_Column = column;
}
/// <summary>
/// The tile constructor will know where it is on the grid, and is its a ship
/// </summary>
/// <param name="row">the row on the grid</param>
/// <param name="col">the col on the grid</param>
/// <param name="ship">what ship it is</param>
public Tile(int row, int col, Ship ship)
{
_RowValue = row;
_ColumnValue = col;
_Ship = ship;
}
/// <summary>
/// Clearship will remove the ship from the tile
/// </summary>
public void ClearShip()
{
_Ship = null;
}
private static bool CheckIsValid(Ship ship, List<Ship> ships, int maxRow, int maxCol)
{
if (ship.Orientation == Orientation.Horizontal)
{
if (ship.GetShipLength() + ship.TopLeft.Col > maxCol)
{
return false;
}
foreach (var item in ships)
{
if (item.GetOrientation() == Orientation.Vertical)
{
for (int i = 0; i < item.GetShipLength(); i++)
{
if (ship.TopLeft.Row + i >= item.TopLeft.Row && ship.TopLeft.Row + i <= item.TopLeft.Row + item.GetShipLength())
{
if (ship.TopLeft.Col + ship.GetShipLength() >= item.TopLeft.Col)
{
return false;
}
}
}
}
else
{
if (ship.TopLeft.Row == item.TopLeft.Row && ship.TopLeft.Col + ship.GetShipLength() >= item.TopLeft.Col)
{
return false;
}
}
}
}
else if (ship.Orientation == Orientation.Vertical)
{
if (ship.GetShipLength() + ship.TopLeft.Row > maxRow)
{
return false;
}
foreach (var item in ships)
{
if (item.GetOrientation() == Orientation.Horizontal)
{
for (int i = 0; i < item.GetShipLength(); i++)
{
if (item.TopLeft.Row + i >= ship.TopLeft.Row && item.TopLeft.Row + i <= ship.TopLeft.Row + ship.GetShipLength())
{
if (item.TopLeft.Col + item.GetShipLength() >= ship.TopLeft.Col)
{
return false;
}
}
}
}
else
{
if (ship.TopLeft.Col == item.TopLeft.Col && ship.TopLeft.Row + ship.GetShipLength() >= item.TopLeft.Row)
{
return false;
}
}
}
}
return true;
}
/// <summary>
/// Set the _Value to the PossibleAttack value, and the _Ship to the ship
/// </summary>
/// <param name="value">either hit, miss, destroyed, shotalready</param>
/// <param name="ship">the ship information</param>
public AttackResult(ResultOfAttack value, Ship ship, string text, int row, int column)
: this(value, text, row, column)
{
_Ship = ship;
}
public bool AddShip(Ship ship)
{
bool AddShip = true;
//check if its outside
if (!ship.isOutsideOfSea())
{
if (shipsList.Count > 0)
{
//check if it intersects any ships
foreach (Ship s in shipsList)
{
if (s.isShipIntersecting(ship))
{
AddShip = false;
break;
}
}
}
//else
//we add it since it's the first ship
if (AddShip)
{
shipsList.Add(ship);
PlaceShipInSea(ship);
}
}
else
{
AddShip = false;
}
return AddShip;
}
public void DeleteShip(Ship ship)
{
foreach (Block b in ship.blocks)
blocks[b.yPos, b.xPos] = new EmptySea(b.yPos, b.xPos);
shipsList.Remove(ship);
}
private void PlaceShipInSea(Ship ship)
{
foreach (Block b in ship.blocks)
{
this.blocks[b.yPos, b.xPos] = new Block(b);
this.BlockChanged(this.blocks[b.yPos, b.xPos]);
}
}
public bool isShipIntersecting(Ship ship)
{
bool intersecting = false;
foreach (Block b in this.blocks)
{
foreach (Block b2 in ship.blocks)
{
if (b.xPos == b2.xPos && b.yPos == b2.yPos)
{
intersecting = true;
break;
}
}
if (intersecting) break;
}
return intersecting;
}
/// <summary>
/// AddShip add a ship to the SeaGrid
/// </summary>
/// <param name="row">row coordinate</param>
/// <param name="col">col coordinate</param>
/// <param name="direction">direction of ship</param>
/// <param name="newShip">the ship</param>
private void AddShip(int row, int col, Direction direction, Ship newShip)
{
try {
int size = newShip.Size;
int currentRow = row;
int currentCol = col;
int dRow = 0;
int dCol = 0;
if (direction == Direction.LeftRight) {
dRow = 0;
dCol = 1;
} else {
dRow = 1;
dCol = 0;
}
//place ship's tiles in array and into ship object
int i = 0;
for (i = 0; i <= size - 1; i++) {
if (currentRow < 0 | currentRow >= Width | currentCol < 0 | currentCol >= Height) {
throw new InvalidOperationException("Ship can't fit on the board");
}
_GameTiles[currentRow, currentCol].Ship = newShip;
currentCol += dCol;
currentRow += dRow;
}
newShip.Deployed(direction, row, col);
} catch (Exception e) {
newShip.Remove();
//if fails remove the ship
throw new ApplicationException(e.Message);
} finally {
if (Changed != null) {
Changed(this, EventArgs.Empty);
}
}
}
/// <summary>
/// ProcessDetroy is able to process the destroyed ships targets and remove _LastHit targets.
/// It will also call RemoveShotsAround to remove targets that it was going to shoot at
/// </summary>
/// <param name="row">the row that was shot at and destroyed</param>
/// <param name="col">the row that was shot at and destroyed</param>
/// <param name="ship">the row that was shot at and destroyed</param>
private void ProcessDestroy(int row, int col, Ship ship)
{
bool foundOriginal = false;
Location source = null;
Target current = null;
current = _CurrentTarget;
foundOriginal = false;
//i = 1, as we dont have targets from the current hit...
int i = 0;
for (i = 1; i <= ship.Hits - 1; i++) {
if (!foundOriginal) {
source = current.Source;
//Source is nnothing if the ship was originally hit in
// the middle. This then searched forward, rather than
// backward through the list of targets
if (source == null) {
source = current.ShotAt;
foundOriginal = true;
}
} else {
source = current.ShotAt;
}
//find the source in _LastHit
foreach (Target t in _LastHit) {
if ((!foundOriginal && t.ShotAt == source) || (foundOriginal & t.Source == source)) {
current = t;
_LastHit.Remove(t);
break; // TODO: might not be correct. Was : Exit For
}
}
RemoveShotsAround(current.ShotAt);
}
}
private void PlaceUserShip(Ship sh)
{
ConsoleKeyInfo rkey;
SelectedBlocks sb = new SelectedBlocks(sh.blocks[0].xPos, sh.blocks[0].yPos, sh.length, sh.direction);
UserSea.SelectBlocks(sb);
do
{
rkey = Console.ReadKey(true);
if (rkey.Key != ConsoleKey.Enter &&
(rkey.Key == ConsoleKey.LeftArrow || rkey.Key == ConsoleKey.RightArrow || rkey.Key == ConsoleKey.UpArrow || rkey.Key == ConsoleKey.DownArrow || rkey.Key == ConsoleKey.D))
{
UserSea.UnSelectBlocks(sb);
switch (rkey.Key)
{
case ConsoleKey.LeftArrow:
sb.Move(MoveDirection.Left);
break;
case ConsoleKey.RightArrow:
sb.Move(MoveDirection.Right);
break;
case ConsoleKey.UpArrow:
sb.Move(MoveDirection.Up);
break;
case ConsoleKey.DownArrow:
sb.Move(MoveDirection.Down);
break;
case ConsoleKey.D:
UserSea.ChangeDirection(ref sb);
break;
default:
break;
}
UserSea.SelectBlocks(sb);
}
else
{
for (int i = 0; i < sh.length; i++)
{
sh.blocks[i].xPos = sb.blocks[i].xPos;
sh.blocks[i].yPos = sb.blocks[i].yPos;
}
if (!UserSea.AddShip(sh))
{
//didnt add ship
AddMessage(MessageType.System, this.m.SHIP_INTERSECT);
rkey = new ConsoleKeyInfo();
}
}
} while (rkey.Key != ConsoleKey.Enter);
}
private void PlaceComputerShip(Ship sh)
{
Ship shnew;
ShipDirection direction;
int xpp, ypp;
do
{
direction = (ShipDirection)randomNum(0, 2);
xpp = randomNum(0, SeaConstants.SEA_SIZE);
ypp = randomNum(0, SeaConstants.SEA_SIZE);
shnew = new Ship(sh.shipType, xpp, ypp, sh.length, direction, 0, false, sh.blocks[0].printChar, sh.blocks[0].shipname);
} while (!ComputerSea.AddShip(shnew));
}
private static bool CheckIsValid(Ship ship, List <Ship> ships, int maxRow, int maxCol)
{
if (ship.Orientation == Orientation.Horizontal)
{
if (ship.GetShipLength() + ship.TopLeft.Col > maxCol)
{
return(false);
}
foreach (var item in ships)
{
if (item.GetOrientation() == Orientation.Vertical)
{
for (int i = 0; i < item.GetShipLength(); i++)
{
if (ship.TopLeft.Row + i >= item.TopLeft.Row && ship.TopLeft.Row + i <= item.TopLeft.Row + item.GetShipLength())
{
if (ship.TopLeft.Col + ship.GetShipLength() >= item.TopLeft.Col)
{
return(false);
}
}
}
}
else
{
if (ship.TopLeft.Row == item.TopLeft.Row && ship.TopLeft.Col + ship.GetShipLength() >= item.TopLeft.Col)
{
return(false);
}
}
}
}
else if (ship.Orientation == Orientation.Vertical)
{
if (ship.GetShipLength() + ship.TopLeft.Row > maxRow)
{
return(false);
}
foreach (var item in ships)
{
if (item.GetOrientation() == Orientation.Horizontal)
{
for (int i = 0; i < item.GetShipLength(); i++)
{
if (item.TopLeft.Row + i >= ship.TopLeft.Row && item.TopLeft.Row + i <= ship.TopLeft.Row + ship.GetShipLength())
{
if (item.TopLeft.Col + item.GetShipLength() >= ship.TopLeft.Col)
{
return(false);
}
}
}
}
else
{
if (ship.TopLeft.Col == item.TopLeft.Col && ship.TopLeft.Row + ship.GetShipLength() >= item.TopLeft.Row)
{
return(false);
}
}
}
}
return(true);
}
/// <summary>
/// This method holds the whole game logic.
/// It contains hit, miss, sunk and game won actions and feedbacks to the user.
/// </summary>
/// <param name="grid">a grid object</param>
/// <param name="destroyer1">a ship of type destroyer</param>
/// <param name="destroyer2">a ship of type destroyer</param>
/// <param name="battleship1">a ship of type battleship</param>
/// <param name="totalAttempts">the total valid inputs by the user</param>
/// <returns>an updated board</returns>
public static Grid CallUserInput(Grid grid, Ship destroyer1, Ship destroyer2, Ship battleship1, int totalAttempts)
{
string constantMessage = "Enter coordinates (row, col), e.g. A5";
string feedbackMiss = "*** Miss ***";
string feedbackHit = "*** Hit ***";
string feedbackSunk = "*** Sunk ***";
string error = "*** Error ***";
string topMessage = string.Empty;
bool validInput = false;
string userInput = null;
// This While Loop makes sure the user's input is in the correct format - [letter from A to J / number from 1 to 10]
while (validInput == false)
{
userInput = Console.ReadLine();
if (userInput == "show" || userInput == "hide" || userInput == "reset")
{
EnableCheatMode(userInput, grid);
userInput = Console.ReadLine();
}
string patternRegex = @"^[A-J](10|[1-9])$";
Regex inputRegex = new Regex(patternRegex);
bool validPattern = inputRegex.IsMatch(userInput);
if (validPattern && userInput.Length <= 3)
{
validInput = true;
}
else
{
topMessage = error;
Console.Clear();
Console.WriteLine(topMessage);
Console.WriteLine();
Grid.PrintGrid(grid);
Console.WriteLine();
Console.WriteLine(constantMessage);
}
}
int rowInput = userInput[0] - 65;
int colInput = userInput.Length == 2 ? int.Parse(userInput[1].ToString()) - 1 : 9;
// Next conditional statement holds the logic behind a "hit or miss" action.
// It also holds the condition when the game is won - when all ships are sunk
if (grid.Board[rowInput, colInput] == '\0' || grid.Board[rowInput, colInput] == '-')
{
grid.Board[rowInput, colInput] = '-'; // Miss logic - grid position is updated with a '-' char on the missed spot
topMessage = feedbackMiss; // Miss logic - feedback
}
else if (grid.Board[rowInput, colInput] == 'H')
{
topMessage = feedbackMiss;
}
else
{
grid.Board[rowInput, colInput] = 'H'; // Hit action - 'H' marks a hit position on the grid
if (
(destroyer1.Sunk == false && Ship.CriticalHit(destroyer1, grid) == true) || // sunk ship from current hit condition
(destroyer2.Sunk == false && Ship.CriticalHit(destroyer2, grid) == true) || // sunk ship from current hit condition
(battleship1.Sunk == false && Ship.CriticalHit(battleship1, grid) == true) // sunk ship from current hit condition
)
{
if (destroyer1.Sunk == false && Ship.CriticalHit(destroyer1, grid) == true)
{
destroyer1.Sunk = true;
topMessage = feedbackSunk;
}
else if (destroyer2.Sunk == false && Ship.CriticalHit(destroyer2, grid) == true)
{
destroyer2.Sunk = true;
topMessage = feedbackSunk;
}
else if (battleship1.Sunk == false && Ship.CriticalHit(battleship1, grid) == true)
{
battleship1.Sunk = true;
topMessage = feedbackSunk;
}
}
else
{
topMessage = feedbackHit; // Hit without Sink
}
}
if (IsGameWon(destroyer1, destroyer2, battleship1))
{
constantMessage = "Well done! You completed the game in " + (totalAttempts + 1) + " shots"; // game won - final message
topMessage = feedbackSunk;
grid.AllShipsDestroyed = true;
}
Console.Clear();
Console.WriteLine(topMessage);
Console.WriteLine();
Grid.PrintGrid(grid);
Console.WriteLine();
Console.WriteLine(constantMessage);
return(grid);
}