Worm.javaDenna kod är public domain. Om ni hittar fel eller vill ändra något i koden blir jag jätteglad om ni skickar dessa ändringar till jesper [at] fantasi [punkt] se.
/*
* You may play this game and other on http://www.fantasi.se/jesper
*/
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.net.*;
import java.io.*;
public class Worm extends Applet
{
public static final long serialVersionUID = 1L;
int score;
Label sc;
public void init()
{
setBackground(Color.white);
Panel control = new Panel();
control.add(new Label("Score: "));
control.add(sc = new Label("0"));
setLayout(new BorderLayout());
add("Center", new Field(this));
add("South", control);
}
public void incScore( int i )
{
score += i;
sc.setText("" + score);
}
public void resetScore()
{
score = 0;
sc.setText("0");
}
}
class Field extends Canvas
{
public static final long serialVersionUID = 1L;
public final int SIZE = 10;
public final int WIDTH = 25;
public final int HEIGHT = 25;
public DemoWorm mirre;
public LiveWorm murre;
Coord food;
Worm game;
boolean notActive, info, textmode;
Thread demo;
String hiName[] = new String[8];
String hiScore[] = new String[8];
String textresult;
public Field( Worm theApplet )
{
super();
setFocusable(true);
setBackground(Color.green);
game = theApplet;
info = notActive = true;
mirre = new DemoWorm(0, 0, Color.blue, this, 20);
murre = new LiveWorm((int)(WIDTH / 2), (int)(HEIGHT / 2),
Color.black, this, 10);
food = new Coord();
textresult = new String();
placeFood();
this.addKeyListener(new Stearing());
this.addMouseListener(new FocusOnMe());
demo = new Thread(mirre);
demo.start();
}
public void placeFood()
{
food.setX((int)(Math.random() * WIDTH));
food.setY((int)(Math.random() * HEIGHT));
while (!free(food))
{
food.setX((int)(Math.random() * WIDTH));
food.setY((int)(Math.random() * HEIGHT));
}
if (!notActive)
{
Graphics g = getGraphics();
g.setColor(Color.red);
g.fillOval(food.getX() * SIZE + 2,
food.getY() * SIZE + 2, SIZE, SIZE);
}
}
public boolean free( Coord c )
{
return !murre.occupies(c);
}
public boolean isFood( Coord c )
{
return c.equals(food);
}
public void eatFood()
{
game.incScore(1);
placeFood();
}
public void start()
{
notActive = false;
mirre.active = false;
murre.go = false;
game.resetScore();
repaint();
}
class Stearing extends KeyAdapter
{
public void keyTyped( KeyEvent e )
{
if (notActive)
return;
if (textmode)
{
Graphics g = getGraphics();
g.setColor(Color.black);
g.setFont(new Font("Courier", Font.PLAIN, 14));
char ch = e.getKeyChar();
if (ch > 31)
{
g.drawString(ch + "", 20 + 12 * textresult.length(), 182);
textresult = textresult.concat(new String(ch + ""));
if (textresult.length() == 15)
textmode = false;
}
}
else if (!murre.go)
{
switch(e.getKeyChar())
{
case '8': murre.goUp(); break;
case '2': murre.goDown(); break;
case '4': murre.goLeft(); break;
case '6': murre.goRight(); break;
default : return;
}
if (!murre.active)
{
Thread tr = new Thread(murre);
tr.start();
}
}
}
public void keyPressed( KeyEvent e )
{
if (notActive)
return;
String str = KeyEvent.getKeyText(e.getKeyCode());
if (textmode)
{
if (str.equalsIgnoreCase("enter"))
textmode = false;
else if (str.equalsIgnoreCase("backspace"))
{
textresult = textresult.substring(0, textresult.length() - 1);
repaint();
}
}
else if (!murre.go)
{
if (str.equalsIgnoreCase("up"))
murre.goUp();
else if (str.equalsIgnoreCase("down"))
murre.goDown();
else if (str.equalsIgnoreCase("left"))
murre.goLeft();
else if (str.equalsIgnoreCase("right"))
murre.goRight();
else return;
if (!murre.active)
{
Thread tr = new Thread(murre);
tr.start();
}
}
}
}
class FocusOnMe extends MouseAdapter
{
public void mousePressed( MouseEvent e )
{
requestFocus();
if (!(textmode || murre.active)) start();
}
}
public void checkScore()
{
loadHiScore();
if (game.score > Integer.parseInt(hiScore[7]))
{
textresult = "";
textmode = true;
repaint();
while (textmode)
{
try { Thread.sleep(10); }
catch (InterruptedException e)
{
System.err.println(e.getMessage());
}
}
saveHiScore();
}
}
public void loadHiScore()
{
int ok = 0;
for (int i = 0; i < 8; i++)
{
hiName[i] = "Worm ";
hiScore[i] = "" + (40 - i * 5);
}
try
{
URL url = new URL(game.getCodeBase(), "Worm.hi");
BufferedReader indata =
new BufferedReader(new InputStreamReader(url.openStream()));
for (int i = 0; i < 8; i++)
{
hiName[i] = indata.readLine();
if (hiName[i].length() > 14)
hiName[i] = hiName[i].substring(0, 14);
hiScore[i] = indata.readLine();
ok = i;
}
}
catch (MalformedURLException e)
{
System.err.println(e.getMessage());
}
catch (IOException e)
{
System.err.println(e.getMessage());
try
{
for (int i = ok; i < 8; i++)
{
URL url = new URL("http://url.to.server/worm.pl?" +
"name=Worm&score=" + (40 - 5 * i));
BufferedReader indata =
new BufferedReader(new InputStreamReader(url.openStream()));
indata.readLine();
}
}
catch (MalformedURLException ex)
{
System.err.println(ex.getMessage());
}
catch (IOException ex)
{
System.err.println(ex.getMessage());
}
}
}
public void saveHiScore()
{
int i;
while ((i = textresult.indexOf(' ')) != -1)
{
textresult = textresult.substring(0, i) + "+" +
textresult.substring(i + 1);
}
try
{
URL url = new URL("http://url.to.server/worm.pl?" +
"name=" + textresult + "&score=" + game.score);
BufferedReader indata =
new BufferedReader(new InputStreamReader(url.openStream()));
indata.readLine();
}
catch (MalformedURLException e)
{
System.err.println(e.getMessage());
}
catch (IOException e)
{
System.err.println(e.getMessage());
}
}
public void paint( Graphics g )
{
g.drawRect(0,0,(WIDTH + 1) * SIZE + 3,(HEIGHT + 1) * SIZE + 3);
g.drawRect(1,1,(WIDTH + 1) * SIZE + 1,(HEIGHT + 1) * SIZE + 1);
if (notActive)
{
if (info)
{
mirre.paint(g);
g.setColor(Color.black);
g.setFont(new Font("Helvetica", Font.BOLD, 40));
g.drawString("the Worm", 20, 60);
g.setFont(new Font("Helvetica", Font.BOLD, 18));
g.drawString("Key control:", 20, 100);
g.drawString("8 - Up", 150, 100);
g.drawString("2 - Down", 150, 125);
g.drawString("4 - Left", 150, 150);
g.drawString("6 - Right", 150, 175);
g.drawString("or use the arrow keys", 20, 200);
g.drawString("Click in window to start", 20, 250);
}
else
{
mirre.paint(g);
g.setColor(Color.black);
g.setFont(new Font("Helvetica", Font.BOLD, 20));
g.drawString("HiScore:", 90, 40);
loadHiScore();
g.setFont(new Font("Helvetica", Font.BOLD, 16));
for (int i = 0; i < 8; i++)
{
g.drawString(hiName[i], 20, 65 + i * 25);
g.drawString(hiScore[i], 200, 65 + i * 25);
}
}
}
else
{
murre.paint(g);
g.setColor(Color.red);
g.fillOval(food.getX() * SIZE + 2, food.getY() * SIZE + 2, SIZE, SIZE);
if (textmode)
{
g.setColor(new Color(100, 100, 200));
g.setFont(new Font("Helvetica", Font.BOLD, 30));
g.drawString("WoOoW!", 73, 100);
g.setFont(new Font("Helvetica", Font.BOLD, 20));
g.drawString("A new HiScore!", 55, 125);
g.drawString("Enter your name", 50, 150);
g.drawRect(12, 162, 239, 25);
g.setColor(Color.green);
g.fillRect(13, 163, 238, 24);
g.setColor(Color.black);
g.setFont(new Font("Courier", Font.PLAIN, 20));
g.drawString(textresult, 20, 182);
}
}
}
}
class Coord
{
private int x, y;
public Coord()
{
x = 0;
y = 0;
}
public Coord( int ix, int iy )
{
x = ix;
y = iy;
}
public int getX() { return x; }
public int getY() { return y; }
public void setX( int ix ) { x = ix; }
public void setY( int iy ) { y = iy; }
public boolean equals( Coord c )
{
return (( x == c.getX() ) && ( y == c.getY() ));
}
}
class LiveWorm implements Runnable
{
static final int MAXLEN = 200;
static final int UP = 0;
static final int DOWN = 1;
static final int LEFT = 2;
static final int RIGHT = 3;
static final int STOP = 4;
Coord pos[] = new Coord[MAXLEN];
int ix,iy; // Where shall we begin?
int dx,dy; // the Worms direction
int start,end; // Beginning and end of the worm in the array
int length;
boolean active,go; // Is the worm alive?
Color col;
Field battlefield;
int direction;
public LiveWorm( int x, int y, Color c, Field p, int l )
{
battlefield = p;
col = c;
length = l;
ix = x;
iy = y;
go = false;
active = false;
start = length;
end = 0;
dx = 0;
dy = 0;
direction = STOP;
for (int i = 0; i < MAXLEN; i++)
pos[i] = new Coord();
place(ix,iy);
}
public void goUp() { if (direction != DOWN ) { dx = 0; dy = -1; }}
public void goDown() { if (direction != UP ) { dx = 0; dy = 1; }}
public void goLeft() { if (direction != RIGHT ) { dy = 0; dx = -1; }}
public void goRight() { if (direction != LEFT ) { dy = 0; dx = 1; }}
public void place( int x, int y )
{
int i = end;
while ( i != start)
{
pos[i].setX(x);
pos[i].setY(y);
i++;
if (i == MAXLEN) i = 0;
}
pos[i].setX(x);
pos[i].setY(y);
}
public void setDirection()
{
if (dx == 1) direction = RIGHT;
else if (dx == -1) direction = LEFT;
else if (dy == 1) direction = DOWN;
else direction = UP;
}
public void run()
{
Graphics g = battlefield.getGraphics();
active = true;
go = false;
while (active)
{
int next = start + 1;
if (next == MAXLEN) next = 0;
pos[next].setX(pos[start].getX() + dx);
pos[next].setY(pos[start].getY() + dy);
setDirection();
if ( (pos[next].getX() > battlefield.WIDTH) ||
(pos[next].getX() < 0) ||
(pos[next].getY() > battlefield.HEIGHT) ||
(pos[next].getY() < 0) )
{
active = false;
}
else
{
if (battlefield.isFood(pos[next]))
{
battlefield.eatFood();
length++;
if (length == MAXLEN)
length--;
}
else
{
if (occupies(pos[next]))
{
active = false;
}
else
{
end++;
if (end == MAXLEN) end = 0;
}
}
}
if (active)
{
int last = end + 1;
start = next;
if (last == MAXLEN) last = 0;
if (!pos[last].equals(pos[end]))
{
g.setColor(Color.green);
g.fillOval(pos[end].getX() * battlefield.SIZE + 2,
pos[end].getY() * battlefield.SIZE + 2,
battlefield.SIZE, battlefield.SIZE);
}
g.setColor(col);
g.fillOval(pos[start].getX() * battlefield.SIZE + 2,
pos[start].getY() * battlefield.SIZE + 2,
battlefield.SIZE, battlefield.SIZE);
try { Thread.sleep(Math.max(200 - (length * 2), 0)); }
catch (InterruptedException e)
{
System.err.println(e.getMessage());
}
}
}
go = true;
battlefield.repaint();
battlefield.checkScore();
battlefield.notActive = true;
battlefield.info = false;
battlefield.demo = new Thread(battlefield.mirre);
battlefield.demo.start();
length = 10;
start = length;
end = 0;
dx = 0;
dy = 0;
direction = STOP;
place(ix, iy);
}
public void kill() { active = false; }
public boolean occupies( Coord c )
{
int i = end;
while ( i != start)
{
if (c.equals(pos[i]))
return true;
i++;
if (i == MAXLEN) i = 0;
}
if (c.equals(pos[start]))
return true;
return false;
}
public void paint( Graphics g )
{
g.setColor(Color.green);
g.fillOval(pos[end].getX() * battlefield.SIZE + 2,
pos[end].getY() * battlefield.SIZE + 2,
battlefield.SIZE, battlefield.SIZE);
g.setColor(col);
int i = end;
while ( i != start)
{
i++;
if (i == MAXLEN) i = 0;
g.fillOval(pos[i].getX() * battlefield.SIZE + 2,
pos[i].getY() * battlefield.SIZE + 2,
battlefield.SIZE, battlefield.SIZE);
}
if (go)
{
g.setColor(new Color(100, 100, 255));
g.setFont(new Font("Helvetica", Font.BOLD, 40));
g.drawString("Game Over!", 20, 42);
}
}
}
class DemoWorm extends LiveWorm
{
int lap;
public DemoWorm( int x, int y, Color c, Field f, int l )
{
super(x, y, c, f, l);
goRight();
}
public void turn()
{
if (dx == 1) goDown();
else if (dx == -1) goUp();
else if (dy == 1) goLeft();
else { goRight(); lap++; }
}
public void run()
{
try { Thread.sleep(500); }
catch (InterruptedException e)
{
System.err.println(e.getMessage());
}
Graphics g = battlefield.getGraphics();
active = true;
lap = 1;
while (active)
{
int next = start + 1;
if (next == MAXLEN)
next = 0;
pos[next].setX(pos[start].getX() + dx);
pos[next].setY(pos[start].getY() + dy);
if ( (pos[next].getX() > battlefield.WIDTH) ||
(pos[next].getX() < 0) ||
(pos[next].getY() > battlefield.HEIGHT) ||
(pos[next].getY() < 0) )
{
turn();
pos[next].setX(pos[start].getX() + dx);
pos[next].setY(pos[start].getY() + dy);
}
end++;
if (end == MAXLEN)
end = 0;
start = next;
int last = end + 1;
if (last == MAXLEN)
last = 0;
g.setColor(Color.green);
g.fillOval(pos[end].getX() * battlefield.SIZE + 2,
pos[end].getY() * battlefield.SIZE + 2,
battlefield.SIZE, battlefield.SIZE);
g.setColor(col);
g.fillOval(pos[start].getX() * battlefield.SIZE + 2,
pos[start].getY() * battlefield.SIZE + 2,
battlefield.SIZE, battlefield.SIZE);
if (lap == 2)
{
lap = 0;
battlefield.info = !battlefield.info;
battlefield.repaint();
}
try { Thread.sleep(130); }
catch (InterruptedException e)
{
System.err.println(e.getMessage());
}
}
}
}
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