251 src/chessProgram/Figure.java
View file
@@ -31,9 +31,9 @@ public static String toString(short type)
* String s = Figure.toString(BLACK,type);
* returns the String-representation of a Figure
***************************** */
public static String toString(Color color, short type)
public static String toString(BlackWhite color, short type)
{
if(color == Color.BLACK)
if(color == BlackWhite.BLACK)
return toString((short)(type+BLACK_OFFSET));
return toString(type);
}
@@ -57,119 +57,113 @@ public static ArrayList<Move> getValidMoves(Board board, short col, short row)
ArrayList<Move> moves = new ArrayList<Move>();
short figureIndex = board.getFigure(col,row);
short figure_type = typeOf(figureIndex);
Color figure_color = Figure.colorOf(figureIndex);
BlackWhite figure_color = Figure.colorOf(figureIndex);
short temp_col;
short temp_row;
if (figureIndex != 0)
{
if (figure_type == PAWN)
{
if(figure_color == Color.WHITE)
temp_row = (figure_color == BlackWhite.WHITE) ? (short)(row+1) : (short)(row-1);

if(
((figure_color == BlackWhite.WHITE && temp_row <= 7)
|| (figure_color == BlackWhite.BLACK && temp_row >= 0)
)
&& board.getFigure(col,temp_row) == 0
)
{
if(figure_color == Color.WHITE)
temp_row = (short)(row+1);
// X
// o
if(
(figure_color == BlackWhite.WHITE && temp_row ==7)
|| (figure_color == BlackWhite.BLACK && temp_row ==0)
)
{
//add moves with promotion! queen, knight, bishop, rook
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.BISHOP));
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.KNIGHT));
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.QUEEN));
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.ROOK));
}
else
temp_row = (short)(row-1);
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,(short)0));

// X
// |
// o
if(figure_color == BlackWhite.WHITE)
temp_row = (short)(row+2);
else
temp_row = (short)(row-2);
if(
((figure_color == Color.WHITE && temp_row <= 7)
|| (figure_color == Color.BLACK && temp_row >= 0)
(
(figure_color == BlackWhite.WHITE && row==1)
|| (figure_color == BlackWhite.BLACK && row==6)
)
&& board.getFigure(col,temp_row) == 0
&& board.getFigure(col, temp_row)==0
)
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,(short)0));
}
// X
// o
int[][] pos;
if(figure_color == BlackWhite.WHITE)
pos = new int[][]{{-1,1},{1,1}};
else
pos = new int[][]{{-1,-1},{1,-1}};

for(int i = 0; i<2; i++)
{
temp_col = (short)(col+pos[i][0]);
temp_row = (short)(row+pos[i][1]);
if(temp_col<0 || temp_col>=8 || temp_row <0 || temp_row >=8)
continue;

if(board.getFigure(temp_col, temp_row) != 0)
{
// X
// o
if(
(figure_color == Color.WHITE && temp_row ==7)
|| (figure_color == Color.BLACK && temp_row ==0)
)
if(isValidDestination(board,figure_color,temp_col,temp_row))
{
//add moves with promotion! queen, knight, bishop, rook
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.BISHOP));
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.KNIGHT));
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.QUEEN));
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,Figure.ROOK));
}
else
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,(short)0));

// X
// |
// o
if(figure_color == Color.WHITE)
temp_row = (short)(row+2);
else
temp_row = (short)(row-2);
if(
(
(figure_color == Color.WHITE && row==1)
|| (figure_color == Color.BLACK && row==6)
if(
(figure_color == BlackWhite.WHITE && temp_row ==7)
|| (figure_color == BlackWhite.BLACK && temp_row ==0)
)
&& board.getFigure(col, temp_row)==0
)
moves.add(new Move(figure_color,Figure.PAWN,col,row,col,temp_row,false,(short)0));
}
// X
// o
int[][] pos;
if(figure_color == Color.WHITE)
pos = new int[][]{{-1,1},{1,1}};
else
pos = new int[][]{{-1,-1},{1,-1}};

for(int i = 0; i<2; i++)
{
temp_col = (short)(col+pos[i][0]);
temp_row = (short)(row+pos[i][1]);
if(temp_col<0 || temp_col>=8 || temp_row <0 || temp_row >=8)
continue;

if(board.getFigure(temp_col, temp_row) != 0)
{
if(isValidDestination(board,figure_color,temp_col,temp_row))
{
if(
(figure_color == Color.WHITE && temp_row ==7)
|| (figure_color == Color.BLACK && temp_row ==0)
)
{
//add moves with promotion! queen, knight, bishop, rook
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.BISHOP));
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.KNIGHT));
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.QUEEN));
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.ROOK));
}
else
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,(short)0));
//add moves with promotion! queen, knight, bishop, rook
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.BISHOP));
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.KNIGHT));
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.QUEEN));
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,Figure.ROOK));
}

else
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,(short)0));
}

}
else
{
//
// *
// X
// o .
if(figure_color == BlackWhite.WHITE)
temp_row = (short)(row+2);
else
temp_row = (short)(row-2);
ArrayList<Move> history = board.getHistory();
if(history.size()>0)
{
//
// *
// X
// o .
if(figure_color == Color.WHITE)
temp_row = (short)(row+2);
else
temp_row = (short)(row-2);
ArrayList<Move> history = board.getHistory();
if(history.size()>0)
{
Move lastMove = history.get(history.size()-1);
if(
lastMove.getType() == Figure.PAWN
&& lastMove.getSourceCol() == temp_col
&& lastMove.getSourceRow() == temp_row
&& lastMove.getDestCol() == temp_col
&& lastMove.getDestRow() == row
)
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,(short)0));
}
Move lastMove = history.get(history.size()-1);
if(
lastMove.getType() == Figure.PAWN
&& lastMove.getSourceCol() == temp_col
&& lastMove.getSourceRow() == temp_row
&& lastMove.getDestCol() == temp_col
&& lastMove.getDestRow() == row
)
moves.add(new Move(figure_color,Figure.PAWN,col,row,temp_col,temp_row,true,(short)0));
}
}
}
}
}
if (figure_type == ROOK || figure_type == QUEEN)
@@ -279,22 +273,43 @@ public static ArrayList<Move> getValidMoves(Board board, short col, short row)
}

/*** Castle ***/
if(!canBeHit(board, col,row, figure_color))
if(figure_color == BlackWhite.WHITE)
{
if(figure_color == Color.WHITE)
{
if(board.getWhiteCanCastleQueenSide() && board.getFigure(1, 0) == 0 && board.getFigure(2, 0) == 0 && board.getFigure(3, 0) == 0 && Figure.typeOf(board.getFigure(0, 0)) == Figure.ROOK)
moves.add(new Move("0-0-0",board));
else if(board.getWhiteCanCastleKingSide() && board.getFigure(5, 0) == 0 && board.getFigure(6, 0) == 0 && Figure.typeOf(board.getFigure(7, 0)) == Figure.ROOK)
moves.add(new Move("0-0",board));
}
else
{
if(board.getBlackCanCastleQueenSide() && board.getFigure(1, 7) == 0 && board.getFigure(2, 7) == 0 && board.getFigure(3, 7) == 0 && Figure.typeOf(board.getFigure(0, 7)) == Figure.ROOK)
moves.add(new Move("0-0-0",board));
else if(board.getBlackCanCastleKingSide() && board.getFigure(5, 7) == 0 && board.getFigure(6, 7) == 0 && Figure.typeOf(board.getFigure(7, 7)) == Figure.ROOK)
moves.add(new Move("0-0",board));
}
if(
board.getWhiteCanCastleQueenSide()
&& board.getFigure(1, 0) == 0 && board.getFigure(2, 0) == 0
&& board.getFigure(3, 0) == 0 && Figure.typeOf(board.getFigure(0, 0)) == Figure.ROOK
&& !canBeHit(board, 4,0, figure_color) && !canBeHit(board, 3,0, figure_color)
&& !canBeHit(board, 2,0, figure_color)
)
moves.add(new Move("0-0-0",board));
if(
board.getWhiteCanCastleKingSide()
&& board.getFigure(5, 0) == 0 && board.getFigure(6, 0) == 0
&& Figure.typeOf(board.getFigure(7, 0)) == Figure.ROOK
&& !canBeHit(board, 4,0, figure_color) && !canBeHit(board, 5,0, figure_color)
&& !canBeHit(board, 6,0, figure_color)
)
moves.add(new Move("0-0",board));
}
else
{
if(
board.getBlackCanCastleQueenSide()
&& board.getFigure(1, 7) == 0 && board.getFigure(2, 7) == 0
&& board.getFigure(3, 7) == 0 && Figure.typeOf(board.getFigure(0, 7)) == Figure.ROOK
&& !canBeHit(board, 4,7, figure_color) && !canBeHit(board, 3,7, figure_color)
&& !canBeHit(board, 2,7, figure_color)
)
moves.add(new Move("0-0-0",board));
if(
board.getBlackCanCastleKingSide()
&& board.getFigure(5, 7) == 0 && board.getFigure(6, 7) == 0
&& Figure.typeOf(board.getFigure(7, 7)) == Figure.ROOK
&& !canBeHit(board, 4,7, figure_color) && !canBeHit(board, 5,7, figure_color)
&& !canBeHit(board, 6,7, figure_color)
)
moves.add(new Move("0-0",board));
}
}
}
@@ -305,7 +320,7 @@ else if(board.getBlackCanCastleKingSide() && board.getFigure(5, 7) == 0 && board
* boolean b = canBeHit(b,col,row,c)
* returns if an enemy can hit this spot
***************************** */
private static boolean canBeHit(Board b, int col, int row, Color c)
private static boolean canBeHit(Board b, int col, int row, BlackWhite c)
{
for(int i = 0; i < 8; i++)
for(int j = 0; j<8; j++)
@@ -314,7 +329,7 @@ private static boolean canBeHit(Board b, int col, int row, Color c)
if(fig == 0)
continue;

Color color = colorOf(fig);
BlackWhite color = colorOf(fig);
if(color == c)
continue;

@@ -341,7 +356,7 @@ private static boolean canBeHit(Board b, int col, int row, Color c)
* isValidDestination(b,color,0,0)
* returns if the pot is free or occupied by an enemy
***************************** */
private static boolean isValidDestination(Board board, Color color, int col, int row)
private static boolean isValidDestination(Board board, BlackWhite color, int col, int row)
{
short fig = board.getFigure(col,row);
return fig==0 || Figure.colorOf(fig)!=color;
@@ -351,11 +366,11 @@ private static boolean isValidDestination(Board board, Color color, int col, int
* Color black = colorOf(Figure.PAWN+Figure.BLACK_OFFSET);
* returns the color of a Figure
***************************** */
public static Color colorOf(short figure)
public static BlackWhite colorOf(short figure)
{
if(figure >='A'+BLACK_OFFSET)
return Color.BLACK;
return Color.WHITE;
return BlackWhite.BLACK;
return BlackWhite.WHITE;
}

/*****************************
@@ -364,7 +379,7 @@ public static Color colorOf(short figure)
***************************** */
public static short typeOf(short figure)
{
if(colorOf(figure)==Color.BLACK)
if(colorOf(figure)==BlackWhite.BLACK)
return (short)(figure - BLACK_OFFSET);
return figure;
}
@@ -373,9 +388,9 @@ public static short typeOf(short figure)
* int seven = relativeIndex(0, Color.WHITE);
* returns the type of a Figure
***************************** */
public static int relativeIndex(int i, Color c)
public static int relativeIndex(int i, BlackWhite c)
{
if(c == Color.WHITE)
if(c == BlackWhite.WHITE)
return i;

return 7-i;
23 src/chessProgram/Game.java
View file
@@ -23,38 +23,39 @@ public static void runningGame(Player whitePlayer, Player blackPlayer, long seed
while (!whiteMat && !blackMat && !remis && round < MAX_ROUNDS)
{
System.out.println("******** ROUND "+round+" ********");
m = whitePlayer.chooseMove(board, Color.WHITE, MAX_TIME, random);
m = whitePlayer.chooseMove(board, BlackWhite.WHITE, MAX_TIME, random);
System.out.println("WHITE: "+m.toString());
board.executeMove(m);
System.out.println(board.toString());

if(board.isMat(Color.BLACK))

if(board.isMat(BlackWhite.BLACK))
{
blackMat = true;
break;
}

m = blackPlayer.chooseMove(board, Color.BLACK, MAX_TIME, random);
m = blackPlayer.chooseMove(board, BlackWhite.BLACK, MAX_TIME, random);
System.out.println("BLACK: "+m.toString());
board.executeMove(m);
System.out.println(board.toString());

if(board.isMat(Color.WHITE))
if(board.isMat(BlackWhite.WHITE))
{
whiteMat = true;
break;
}

if(MAX_TIME>=500)
if(round>=MAX_ROUNDS)
remis = true;

round++;
}
if (whiteMat)
System.out.println("Result: BLACK wins");
if (blackMat)
else if (blackMat)
System.out.println("Result: WHITE wins");
if (remis || round == MAX_ROUNDS)
else if (remis || round == MAX_ROUNDS)
System.out.println("Result: REMIS");
}

@@ -64,11 +65,11 @@ public static void runningGame(Player whitePlayer, Player blackPlayer, long seed
***************************** */
public static void main(String[] args)
{
long seed = (new Date()).getTime();
Player whitePlayer = new HumanPlayer();
long seed = 234923454;//(new Date()).getTime();
Player whitePlayer = new HumanPlayerGUI();
Player blackPlayer = new MyPlayer();
// Player whitePlayer = new MyPlayer();
// Player blackPlayer = new HumanPlayerGUI();
//Player whitePlayer = new MyPlayer();
//Player blackPlayer = new HumanPlayerGUI();
int MAX_TIME = 500;
runningGame(whitePlayer, blackPlayer, seed, MAX_TIME);
}
4 src/chessProgram/HumanPlayer.java
View file
@@ -19,14 +19,14 @@ public class HumanPlayer implements Player
* Move m = chooseMove(b,color,milliseconds, random);
* chooses a Move in a given time
***************************** */
public Move chooseMove(Board board, Color color, int milliSeconds, java.util.Random random)
public Move chooseMove(Board board, BlackWhite color, int milliSeconds, java.util.Random random)
{
System.out.println(">> PLEASE INPUT A COMMAND:");
String input = scanner.next();
Move out = new Move(input,board);
return out;
}
public double getFitness(Board board, Color color) {
public double getFitness(Board board, BlackWhite color) {
return 0;
}
}
39 src/chessProgram/HumanPlayerGUI.java
View file
@@ -0,0 +1,39 @@
package chessProgram;

import java.util.Random;

public class HumanPlayerGUI implements Player
{
@Override
public double getFitness(Board board, BlackWhite color)
{
return 0;
}

@Override
public Move chooseMove(Board board, BlackWhite color, int milliSeconds, Random random)
{
PlayerGUI theGUI = new PlayerGUI(board, color);
theGUI.setAlwaysOnTop(true);
Thread thread = new Thread(new Runnable()
{
@Override
public void run()
{
theGUI.setBounds(10, 10, 420, 180);
theGUI.show();
}
});
thread.start();
while(theGUI.move == null)
{
try
{
Thread.sleep((int)50);
}
catch(Exception l) {};
}
theGUI.dispose();
return theGUI.move;
}
}
10 src/chessProgram/Move.java
View file
@@ -4,7 +4,7 @@

public class Move
{
private Color color;
private BlackWhite color;
private short type;
private int sourceCol;
private int sourceRow;
@@ -39,7 +39,7 @@ public Move(String s,Board b)
type = Figure.KING;
sourceCol = 4;
color = b.currentColor();
if(color == Color.WHITE)
if(color == BlackWhite.WHITE)
{
sourceRow = 0;
destRow = 0;
@@ -102,7 +102,7 @@ public Move(String s,Board b)
/*****************************
* Copy-Constructor
***************************** */
public Move(Color color_, short type_, short sourceCol_, short sourceRow_, short destCol_, short destRow_, boolean isHit_, short newType_)
public Move(BlackWhite color_, short type_, short sourceCol_, short sourceRow_, short destCol_, short destRow_, boolean isHit_, short newType_)
{
color = color_;
type = type_;
@@ -190,7 +190,7 @@ else if(destCol == 2)
/*****************************
* Setters
*****************************/
public void setColor(Color color_)
public void setColor(BlackWhite color_)
{
color = color_;
}
@@ -203,7 +203,7 @@ public void setHit(boolean hit)
/*****************************
* Getters
***************************** */
public Color getColor()
public BlackWhite getColor()
{
return color;
}
68 src/chessProgram/MyPlayer.java
View file
@@ -2,11 +2,58 @@

public class MyPlayer implements Player
{
private static short[][] pawnTable = new short[][]
{
{0, 0, 0, 0, 0, 0, 0, 0},
{50, 50, 50, 50, 50, 50, 50, 50},
{10, 10, 20, 30, 30, 20, 10, 10},
{5, 5, 10, 27, 27, 10, 5, 5},
{0, 0, 0, 25, 25, 0, 0, 0},
{5, -5,-10, 0, 0,-10, -5, 5},
{5, 10, 10,-25,-25, 10, 10, 5},
{0, 0, 0, 0, 0, 0, 0, 0}
};
private static short[][] knightTable = new short[][]
{
{-50,-40,-30,-30,-30,-30,-40,-50},
{-40,-20, 0, 0, 0, 0,-20,-40},
{-30, 0, 10, 15, 15, 10, 0,-30},
{-30, 5, 15, 20, 20, 15, 5,-30},
{-30, 0, 15, 20, 20, 15, 0,-30},
{-30, 5, 10, 15, 15, 10, 5,-30},
{-40,-20, 0, 5, 5, 0,-20,-40},
{-50,-40,-20,-30,-30,-20,-40,-50}
};

private static short[][] bishopTable = new short[][]
{
{-20,-10,-10,-10,-10,-10,-10,-20},
{-10, 0, 0, 0, 0, 0, 0,-10},
{-10, 0, 5, 10, 10, 5, 0,-10},
{-10, 5, 5, 10, 10, 5, 5,-10},
{-10, 0, 10, 10, 10, 10, 0,-10},
{-10, 10, 10, 10, 10, 10, 10,-10},
{-10, 5, 0, 0, 0, 0, 5,-10},
{-20,-10,-40,-10,-10,-40,-10,-20},
};

private static short[][] kingTable = new short[][]
{
{-30, -40, -40, -50, -50, -40, -40, -30},
{-30, -40, -40, -50, -50, -40, -40, -30},
{-30, -40, -40, -50, -50, -40, -40, -30},
{-30, -40, -40, -50, -50, -40, -40, -30},
{-20, -30, -30, -40, -40, -30, -30, -20},
{-10, -20, -20, -20, -20, -20, -20, -10},
{20, 20, 0, 0, 0, 0, 20, 20},
{20, 30, 10, 0, 0, 10, 30, 20}
};

/*****************************
* Move b = getFitness(Board b, Color color);
* returns the Fitness of a given board
***************************** */
public double getFitness(Board b, Color color)
public double getFitness(Board b, BlackWhite color)
{
//idea sum up figure qualities
//pawn:1,rook: 5,bishop=knight=3.3, Queen:9,king:10000
@@ -19,25 +66,30 @@ public double getFitness(Board b, Color color)
continue;

int c = (Figure.colorOf(fig)==color) ? 1 : -1;
int isWhite = (Figure.colorOf(fig)==BlackWhite.WHITE)?1:-1;
switch(Figure.typeOf(fig))
{
case Figure.PAWN:
sum += c*1;
sum += c*100;
sum += c*pawnTable[(8-isWhite*j)%8][(8-isWhite*i)%8];
break;
case Figure.BISHOP:
sum += c*3.3;
sum += c*325;
sum += c*bishopTable[(8-isWhite*j)%8][(8-isWhite*i)%8];
break;
case Figure.KNIGHT:
sum += c*3.3;
sum += c*320;
sum += c*knightTable[(8-isWhite*j)%8][(8-isWhite*i)%8];
break;
case Figure.QUEEN:
sum += c*9;
sum += c*975;
break;
case Figure.KING:
sum += c*10000;
sum += c*40000;
sum += c*kingTable[(8-isWhite*j)%8][(8-isWhite*i)%8];
break;
case Figure.ROOK:
sum += c*5;
sum += c*500;
break;
default:
throw(new RuntimeException("getFitness is floored!"));
@@ -51,7 +103,7 @@ public double getFitness(Board b, Color color)
* Move m = chooseMove(b,color,milliseconds, random);
* chooses a Move in a given time
***************************** */
public Move chooseMove(Board board ,Color color ,int time_limit ,java.util.Random random)
public Move chooseMove(Board board ,BlackWhite color ,int time_limit ,java.util.Random random)
{
Thinker thinker = new Thinker(board,color, this, random); //interface runnable!!!!
Thread t = new Thread(thinker);
4 src/chessProgram/Player.java
View file
@@ -2,6 +2,6 @@

public interface Player
{
Move chooseMove(Board b,Color color,int milliseconds, java.util.Random random);
double getFitness(Board b, Color color);
Move chooseMove(Board b,BlackWhite color,int milliseconds, java.util.Random random);
double getFitness(Board b, BlackWhite color);
}
190 src/chessProgram/PlayerGUI.java
View file
@@ -0,0 +1,190 @@
package chessProgram;

import javax.swing.JFrame;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.net.URL;
import java.util.ArrayList;

public class PlayerGUI extends JFrame
{
private static final long serialVersionUID = 1L;
private Board board;
BlackWhite myColor;
Move move = null;

final int CELLSIZE = 72;
final int RIGHTOFFSET = 8;
final int LEFTOFFSET = 8;
final int TOPOFFSET = 31;
final int BOTTOMOFFSET = 8;

//Constructor
public PlayerGUI(Board board, BlackWhite color)
{
this.board = board;
myColor = color;
this.getContentPane().setLayout(null);
this.initWindow();
}

protected void initWindow()
{
this.setTitle("Schach");
this.addWindowListener(new WindowListener()
{

@Override
public void windowActivated(WindowEvent e) {}
@Override
public void windowClosed(WindowEvent e)
{
}
@Override
public void windowClosing(WindowEvent e) {
CloseWindow();
}
@Override
public void windowDeactivated(WindowEvent e) {}
@Override
public void windowDeiconified(WindowEvent e) {}
@Override
public void windowIconified(WindowEvent e) {}
@Override
public void windowOpened(WindowEvent e) {}
});
this.addMouseListener(new MouseListener()
{
@Override
public void mouseClicked(MouseEvent arg0) {}
@Override
public void mouseEntered(MouseEvent e) {}
@Override
public void mouseExited(MouseEvent e) {}
@Override
public void mousePressed(MouseEvent e) {}
@Override
public void mouseReleased(MouseEvent e)
{
reactOnClick(e.getX(), e.getY());
}
});
}

public void paint(Graphics g)
{
setSize(CELLSIZE*8+RIGHTOFFSET+LEFTOFFSET,CELLSIZE*8+TOPOFFSET+BOTTOMOFFSET);
int w = getWidth(), h = getHeight();
g.setColor(Color.BLACK);
g.fillRect(1, 1, w, h);
g.setColor(Color.WHITE);
for(int i = 0; i < 8; i += 2)
{
for(int j = 0; j < 8; j += 2)
{
g.fillRect(LEFTOFFSET + j * CELLSIZE, TOPOFFSET + i * CELLSIZE, CELLSIZE, CELLSIZE);
g.fillRect(LEFTOFFSET + (j + 1) * CELLSIZE, TOPOFFSET + (i + 1) * CELLSIZE, CELLSIZE, CELLSIZE);
}
}
URL u = getClass().getProtectionDomain().getCodeSource().getLocation();
String directoryname = u.getPath() + "img/";
directoryname = directoryname.substring(1);
directoryname = directoryname.replace("%20", " ");
for(int row = 0; row < 8; row++)
for(int col = 0; col < 8; col++)
{
short figureIndex = board.getFigures()[col][row];
if(figureIndex == 0)
continue;

int figureType = Figure.typeOf(figureIndex);
BlackWhite figureColor = Figure.colorOf(figureIndex);
BlackWhite cellColor;
if((row+col+1)%2==0)
cellColor = BlackWhite.WHITE;
else
cellColor = BlackWhite.BLACK;
String filename = directoryname;
switch(figureType)
{
case Figure.PAWN:
filename += "pawn";
break;
case Figure.KNIGHT:
filename += "knight";
break;
case Figure.BISHOP:
filename += "bishop";
break;
case Figure.KING:
filename += "king";
break;
case Figure.QUEEN:
filename += "queen";
break;
case Figure.ROOK:
filename += "rook";
break;
}
filename += figureColor==BlackWhite.WHITE?"_white":"_black";
filename += cellColor==BlackWhite.WHITE?"_white":"_black";
filename += ".gif";
Image pic = getToolkit().getImage(filename);
g.drawImage(pic, LEFTOFFSET + col * CELLSIZE, TOPOFFSET + (7 - row) * CELLSIZE, this);
}
}

boolean notYetClicked = true;
short sourceCol;
short sourceRow;

public void reactOnClick(int x, int y)
{
short col = (short)((x - LEFTOFFSET)/CELLSIZE);
short row = (short)(7 - (y - TOPOFFSET)/CELLSIZE);
if(notYetClicked)
{
//firstClick
short figureIndex = board.getFigures()[col][row];
if(figureIndex == 0)
return;

BlackWhite figureColor = Figure.colorOf(figureIndex);
if(figureColor != myColor)
return;

sourceCol = col;
sourceRow = row;
notYetClicked = false;
System.out.println("clicked:"+col+","+row);
}
else
{
//secondClick
short figureIndex = board.getFigures()[col][row];

ArrayList<Move> validMoves = Figure.getValidMoves(board, sourceCol, sourceRow);
short newType;
if((Figure.typeOf(board.getFigures()[sourceCol][sourceRow]) == Figure.PAWN) && (row == 0 || row == 7))
newType = Figure.QUEEN;
else
newType = (short)0;
Move temp_move = new Move(myColor, Figure.typeOf(board.getFigures()[sourceCol][sourceRow]), sourceCol, sourceRow, col, row, !(figureIndex==0), newType);
if(Move.MovesListIncludesMove(validMoves, temp_move))
move = temp_move;
else
notYetClicked = true;
}
}

public void CloseWindow()
{
System.exit(-1);
}
}
4 src/chessProgram/RandomPlayer.java
View file
@@ -8,7 +8,7 @@ public class RandomPlayer implements Player
* Move b = getFitness(Board b, Color color);
* returns the Fitness of a given board
***************************** */
public double getFitness(Board b, Color color)
public double getFitness(Board b, BlackWhite color)
{
return 0;
}
@@ -17,7 +17,7 @@ public double getFitness(Board b, Color color)
* Move m = chooseMove(b,color,milliseconds, random);
* chooses a Move in a given time
***************************** */
public Move chooseMove(Board b,Color color,int milliseconds, java.util.Random random)
public Move chooseMove(Board b,BlackWhite color,int milliseconds, java.util.Random random)
{
ArrayList<Move> moves = b.getValidMoves(color);
//break if no move is possible (throw exeption)
2 src/chessProgram/Testing.java
View file
@@ -51,7 +51,7 @@ public static void BoardClass()
System.out.println("Board b2 = b.cloneIncompletely();");
Board b2 = b.cloneIncompletely();
BoardDebug(b2);
System.out.println("b2.isMat(Color.BLACK)="+b2.isMat(Color.BLACK));
System.out.println("b2.isMat(Color.BLACK)="+b2.isMat(BlackWhite.BLACK));

System.out.println("END testing Board...");
}
31 src/chessProgram/Thinker.java
View file
@@ -7,14 +7,14 @@ class Thinker implements Runnable

Player player;
Board b;
Color color;
BlackWhite color;
Move best_move;
java.util.Random random;

/*****************************
* Constructor
***************************** */
Thinker(Board b_,Color color_,Player player_, java.util.Random random_)
Thinker(Board b_,BlackWhite color_,Player player_, java.util.Random random_)
{
b = b_;
color = color_;
@@ -28,25 +28,29 @@ class Thinker implements Runnable
***************************** */
public void run()
{
int level = 1;
int level = 3;//1;
while(true)
{
ArrayList<Move> moves = b.getValidMoves(color);
int n = moves.size();
Move temp_best_move = null;
ArrayList<Move> temp_best_moves = new ArrayList<Move>();
double best_fitness = 0;
for(int i = 0; i< n; i++)
{
Board temp = b.cloneIncompletely();//corrent information+previous move
temp.executeMove(moves.get(i));
double q = evaluate(temp,Board.FlipColor(color), level-1); //apponant color
if(i == 0 || q>best_fitness || (q == best_fitness && random.nextInt(2)==0))
double q = evaluate(temp,Board.FlipColor(color), level-1,0); //apponant color
if(i == 0 || q>best_fitness)
{
temp_best_move = moves.get(i);
temp_best_moves = new ArrayList<Move>();
temp_best_moves.add(moves.get(i));
best_fitness = q;
}
else if(q == best_fitness)
temp_best_moves.add(moves.get(i));
}
best_move = temp_best_move;

best_move = temp_best_moves.get(random.nextInt(temp_best_moves.size()));
System.out.println("level:"+level+", fit:"+best_fitness);
level++;
}
@@ -56,7 +60,7 @@ public void run()
* double fitness = evaluate(b, color,level);
* evaluates (recursively) the state of the board
***************************** */
private double evaluate(Board b, Color color, int level)
private double evaluate(Board b, BlackWhite color, int level, double current_min)
{
if(level==0)
{
@@ -73,10 +77,13 @@ private double evaluate(Board b, Color color, int level)
{
Board temp = b.cloneIncompletely();
temp.executeMove(moves.get(i));
double d = evaluate(temp,Board.FlipColor(color), level-1);
if(i == 0)
double d = evaluate(temp,Board.FlipColor(color), level-1,min);
if(current_min>d) //alpha-beta-search
{
min = d;
else if(d < min)
break;
}
if(d < min || i == 0)
min=d;
}
return -min;
26 src/chessProgram/main.java
View file
@@ -1,37 +1,15 @@
//10h
package chessProgram;


public class main {

public static void main(String[] args)
{
try
{
/*Board b = new Board();
Player p1 = new HumanPlayer();
Player p2 = new MyPlayer();//RandomPlayer();
Move m;
int time = 6000;
System.out.println(b.toString());
for(int i = 0; true; i++)
{
System.out.println("******** TURN "+i+" ********");
m = p1.chooseMove(b, Color.WHITE, time, new Random(845823893));
System.out.println("WHITE: "+m.toString());
b.executeMove(m);
System.out.println(b.toString());
if(b.isMat(Color.BLACK))
break;
m = p2.chooseMove(b, Color.BLACK, time, new Random(845823893));
System.out.println("BLACK: "+m.toString());
b.executeMove(m);
System.out.println(b.toString());
if(b.isMat(Color.WHITE))
break;
}*/
Game.main(args);
//Testing.PlayerClass();
}
catch(Exception e)
{
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