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GameBoard.cs
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GameBoard.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Collections;
using System.Threading;
namespace Battleships
{
class GameBoard
{
public static bool[,] empty = {
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false},
{false,false,false,false,false,false,false,false,false,false}
};
private Ship[,] ships = null;
private bool[,] shipsMatrix;
private static int margin = 15;
private BoardType boardType;
public enum BoardType { MAIN_BOARD, PREVIEW_BOARD };
public GameBoard(BoardType type, bool[,] matrix)
{
shipsMatrix = matrix;
boardType = type;
this.ships = new Ship[matrix.GetLength(0), matrix.GetLength(1)];
for (int i = 0; i < this.ships.GetLength(0); i++)
for (int j = 0; j < this.ships.GetLength(1); j++)
{
ships[i, j] = new Ship(i, j, type, matrix[i, j]);
ships[i, j].Name = i + "" + j;
}
}
#region GUI stuff
public int Margin
{
get { return margin; }
}
public int Width
{
get { return 10 * (new Ship(0, 0, boardType, false).Width + 2) - 2; }
}
public int Height
{
get { return 10 * (new Ship(0, 0, boardType, false).Height + 2) - 2; }
}
private bool visible;
public bool Visible
{
get { return visible; }
set
{
visible = value;
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
ships[i, j].Visible = visible;
}
}
private bool enabled;
public bool Enabled
{
get { return enabled; }
set
{
enabled = value;
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
ships[i, j].Enabled = enabled;
}
}
private EventHandler click = delegate(object o, EventArgs e) { };
public EventHandler Click
{
get { return click; }
set{
click += value;
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
ships[i, j].Click += value;
}
}
private EventHandler doubleClick = delegate(object o, EventArgs e) { };
public EventHandler DoubleClick
{
get { return doubleClick; }
set
{
doubleClick += value;
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
ships[i, j].DoubleClick += value;
}
}
public void setShips(bool[,] matrix)
{
shipsMatrix = matrix;
Thread thread = new Thread(new ThreadStart(delegate()
{
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
ships[i, j].State = matrix[i, j] ? Ship.ShipState.SHIP : Ship.ShipState.NOT_SHIP;
}));
thread.Start();
}
public bool[,] getShips()
{
bool[,] matrix = new bool[10, 10];
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
matrix[i, j] = shipsMatrix[i, j];
return matrix;
}
public void addToWindow(Form window)
{
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
{
window.Controls.Add(ships[i, j]);
ships[i, j].Location = getLocation(j, i, window);
}
}
private System.Drawing.Point getLocation(int x, int y, Form window)
{
int width = window.Width;
int height = window.Height;
if (boardType == BoardType.MAIN_BOARD)
{
margin = width / 2 - 10 * (new Ship(0, 0, BoardType.MAIN_BOARD, false).Width + 2) / 2;
return new System.Drawing.Point(margin + x * (ships[x, y].Width + 2), height - 25 - (margin + (10 - y) * (ships[x, y].Height + 2)));
}
else
return new System.Drawing.Point(margin + x * (ships[x, y].Width + 2), margin + y * (ships[x, y].Height + 2));
}
#endregion
public void setShipSunk(bool[,] matrix)
{
if (matrix != null)
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
if (matrix[i, j])
ships[i, j].State = Ship.ShipState.SUNK;
}
public void ShotResult(ShotResult shotResult)
{
int x = shotResult.getCoordinates().X;
int y = shotResult.getCoordinates().Y;
bool result = shotResult.isHit();
if (result)
ships[x, y].State = Ship.ShipState.HIT;
else
ships[x, y].State = Ship.ShipState.MISSED;
}
public ShotResult Shoot(Coordinates field)
{
int x = field.X;
int y = field.Y;
if (ships[x, y].Shoot())
return markShipAsSunkIfReallyIs(x, y);
else
return new ShotResult(false, false, isGameEnded(), Coordinates.Get(x, y), (bool[,])null);
}
public ShotResult markShipAsSunkIfReallyIs(int x, int y)
{
bool[,] matrix = new bool[10, 10];
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
matrix[i, j] = true;
bool result = isWholeShipSunkRecursive(x, y, ref matrix);
if (result)
{
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
{
matrix[i, j] = matrix[i, j] ^ true; // toggling values
if (matrix[i, j])
ships[i, j].State = Ship.ShipState.SUNK;
}
}
return new ShotResult(true, result, isGameEnded(), Coordinates.Get(x, y), result ? matrix : null);
}
private bool isWholeShipSunkRecursive(int x, int y, ref bool[,] matrix)
{
bool result = true;
matrix[x, y] = false;
if ((x + 1) < 10 && matrix[x + 1, y] && shipsMatrix[x + 1, y])
result = result && ships[x + 1, y].isHit() && isWholeShipSunkRecursive(x + 1, y, ref matrix);
if (result && (y + 1) < 10 && matrix[x, y + 1] && shipsMatrix[x, y + 1])
result = result && ships[x, y + 1].isHit() && isWholeShipSunkRecursive(x, y + 1, ref matrix);
if (result && (x - 1) >= 0 && matrix[x - 1, y] && shipsMatrix[x - 1, y])
result = result && ships[x - 1, y].isHit() && isWholeShipSunkRecursive(x - 1, y, ref matrix);
if (result && (y - 1) >= 0 && matrix[x, y - 1] && shipsMatrix[x, y - 1])
result = result && ships[x, y - 1].isHit() && isWholeShipSunkRecursive(x, y - 1, ref matrix);
System.Diagnostics.Debug.WriteLine("Matrix for (" + x + "," + y + "), result: " + result);
for (int i = 0; i < 10; i++)
{
for (int j = 0; j < 10; j++)
System.Diagnostics.Debug.Write(" " + (shipsMatrix[i, j] ? "." : "F"));
System.Diagnostics.Debug.WriteLine("");
}
System.Diagnostics.Debug.WriteLine("");
return result;
}
public bool isGameEnded()
{
bool ended = true;
for (int i = 0; i < 10 && ended; i++)
for (int j = 0; j < 10 && ended; j++)
if (!ships[i, j].isFinished())
ended = false;
return ended;
}
public bool isNotShip(int x, int y)
{
return ships[x, y].isNotShip();
}
public void setShipLaF(int x, int y, Ship.LAF laf)
{
ships[x, y].setLaF(laf);
}
public static bool[,] generateMatrix()
{
bool[,] matrix = new bool[10, 10];
ArrayList fields = new ArrayList();
ArrayList tmp = new ArrayList();
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
{
matrix[i, j] = false;
fields.Add(Coordinates.Get(i, j));
}
Random rand = new Random();
for (int size = Global.SHIPS_COUNER.Length - 1; size > 1; size--)
{
for (int no = 0; no < Global.SHIPS_COUNER[size]; no++)
{
ShuffleInPlace(fields);
foreach (Coordinates field in fields)
{
bool possible = true;
bool isHorizontal = rand.Next() % 2 == 0;
tmp.Clear();
if (isHorizontal)
{
for (int i = 1; i < size; i++)
if (field.X + i < 10 && fields.Contains(Coordinates.Get(field.X + i, field.Y)))
tmp.Add(Coordinates.Get(field.X + i, field.Y));
else
possible = false;
if (!possible)
{
tmp.Clear();
for (int i = 1; i < size; i++)
if (field.X - i >= 0 && fields.Contains(Coordinates.Get(field.X - i, field.Y)))
tmp.Add(Coordinates.Get(field.X - i, field.Y));
else
possible = false;
}
}
else
{
for (int i = 1; i < size; i++)
if (field.Y + i < 10 && fields.Contains(Coordinates.Get(field.X, field.Y + i)))
tmp.Add(Coordinates.Get(field.X, field.Y + i));
else
possible = false;
if (!possible)
{
tmp.Clear();
for (int i = 1; i < size; i++)
if (field.Y - i >= 0 && fields.Contains(Coordinates.Get(field.X, field.Y - i)))
tmp.Add(Coordinates.Get(field.X, field.Y - i));
else
possible = false;
}
}
if (possible)
{
tmp.Add(field);
foreach (Coordinates tmpField in tmp)
{
matrix[tmpField.X, tmpField.Y] = true;
fields.Remove(tmpField);
fields.Remove(Coordinates.Get(tmpField.X - 1, tmpField.Y - 1));
fields.Remove(Coordinates.Get(tmpField.X, tmpField.Y - 1));
fields.Remove(Coordinates.Get(tmpField.X + 1, tmpField.Y - 1));
fields.Remove(Coordinates.Get(tmpField.X + 1, tmpField.Y));
fields.Remove(Coordinates.Get(tmpField.X + 1, tmpField.Y + 1));
fields.Remove(Coordinates.Get(tmpField.X, tmpField.Y + 1));
fields.Remove(Coordinates.Get(tmpField.X - 1, tmpField.Y + 1));
fields.Remove(Coordinates.Get(tmpField.X - 1, tmpField.Y));
}
break; // stop searching
}
}
}
}
return matrix;
}
public static void ShuffleInPlace(ArrayList source)
{
Random rnd = new Random();
for (int inx = source.Count - 1; inx > 0; --inx)
{
int position = rnd.Next(inx);
object temp = source[inx];
source[inx] = source[position];
source[position] = temp;
}
}
public void setShootable(bool shootable) {
this.Enabled = shootable;
if(shootable) {
for(int i = 0; i < 10; i++)
for(int j = 0; j < 10; j++)
if(ships[i,j].isNotShip()) {
if(!Global.SHOOTING_TIPS_ENABLED || isFieldShootable(i, j))
ships[i,j].setLaF(Ship.LAF.SHOOTABLE);
else
ships[i,j].setLaF(Ship.LAF.NOT_SHOOTABLE);
}
}
else {
for(int i = 0; i < 10; i++)
for(int j = 0; j < 10; j++)
if(ships[i,j].isNotShip())
ships[i,j].setNotShip();
}
}
public bool isFieldShootable(int x, int y) {
// CORNER CHECK
if((x+1)<10 && (y+1)<10 && (ships[x+1,y+1].isShip() || ships[x+1,y+1].isSunk()))
return false;
if((x-1)>=0 && (y+1)<10 && (ships[x-1,y+1].isShip() || ships[x-1,y+1].isSunk()))
return false;
if((x+1)<10 && (y-1)>=0 && (ships[x+1,y-1].isShip() || ships[x+1,y-1].isSunk()))
return false;
if((x-1)>=0 && (y-1)>=0 && (ships[x-1,y-1].isShip() || ships[x-1,y-1].isSunk()))
return false;
// SIDES CHECK
if((y+1)<10 && (ships[x,y+1].isShip() || ships[x,y+1].isSunk()))
return false;
if((y-1)>=0 && (ships[x,y-1].isShip() || ships[x,y-1].isSunk()))
return false;
if((x+1)<10 && (ships[x+1,y].isShip() || ships[x+1,y].isSunk()))
return false;
if((x-1)>=0 && (ships[x-1,y].isShip() || ships[x-1,y].isSunk()))
return false;
return true;
}
}
}