initialisierung
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8955085634
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014e043c13
4
.idea/SnakeBot.iml
generated
4
.idea/SnakeBot.iml
generated
@ -2,7 +2,9 @@
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$" />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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87
Bot.java
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87
Bot.java
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@ -0,0 +1,87 @@
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.net.Socket;
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import java.net.InetSocketAddress;
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public abstract class Bot {
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// Ein Bot ist ein Programm, das sich mit einem Server verbindet und
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// mit diesem kommuniziert. Der Server sendet dem Bot eine Zeichenkette,
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// die das Spielfeld repräsentiert. Der Bot sendet dem Server ein Zeichen,
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// das die nächste Bewegung des Bots repräsentiert.
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private final String host; // Hostname oder IP-Adresse des Servers
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private final int port; // Port des Servers
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protected Bot(String[] args) {
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host = args.length > 0 ? args[0] : "localhost";
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port = args.length > 1 ? Integer.parseInt(args[1]) : 63187;
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}
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// Diese Methode stellt die Verbindung zum Server her und startet die
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// Kommunikation mit dem Server. Die Methode wird von der main-Methode
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// aufgerufen.
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protected void run() {
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try (Socket socket = new Socket()) {
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socket.connect(new InetSocketAddress(host, port));
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OutputStream out = socket.getOutputStream();
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BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
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View view = new View();
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while (true) {
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view.read(in);
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view.print();
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try {
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char ch = nextMove(view);
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out.write(ch);
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}
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catch (Exception e) { break; }
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}
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socket.close();
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} catch (IOException e) {
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System.err.println("Error: " + e.getMessage());
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}
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}
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// Diese Methode ermittelt den nächsten Zug des Bots. Sie wird von der
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// run-Methode aufgerufen, nachdem der Server das Spielfeld gesendet hat.
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// Subklassen müssen diese Methode implementieren.
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abstract protected char nextMove(View view) throws Exception;
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// Diese Klasse repräsentiert das Spielfeld. Sie wird von der run-Methode
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// verwendet, um das Spielfeld zu lesen und auszugeben.
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// Subklassen können diese Klasse verwenden, um das Spielfeld zu analysieren.
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public static class View {
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protected String data;
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protected int width;
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// Diese Methode liest das Spielfeld vom Server.
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private void read(BufferedReader in) throws IOException {
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StringBuilder sb = new StringBuilder();
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data = in.readLine();
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if (data == null) {
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return;
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}
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sb.append(data);
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width = data.length();
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for (int i = 1; i < width; ++i) {
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sb.append(in.readLine());
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}
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data = sb.toString();
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}
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// Diese Methode gibt das Spielfeld aus.
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protected void print() {
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if (data == null || width < 1) {
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return;
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}
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for (int i = 0, len = data.length(); i < len; i += width) {
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System.out.println(data.substring(i, i + width));
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}
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}
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}
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}
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55
EscapeBot.java
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55
EscapeBot.java
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@ -0,0 +1,55 @@
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import java.util.Scanner;
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public class EscapeBot extends Bot {
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int steps = 0;
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int counter = 0;
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public EscapeBot(String [] args) {
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super(args);
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}
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public char found (View view) throws Exception{
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boolean field = view.data.contains("o");
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if(field){
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counter++;
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}
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if(counter % 3 == 0){
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return '<';
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} else {
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return '^';
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}
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}
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@Override
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public char nextMove(View view) throws Exception {
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steps++;
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if(view.data.contains("o")) {
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return found(view);
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}
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switch(steps){
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case 1:
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return '<';
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case 5:
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return '>';
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case 32:
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steps = 0;
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return '^';
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default:
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return '^';
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}
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}
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public static void main(String[] args) {
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EscapeBot bot = new EscapeBot(args);
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bot.run();
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}
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}
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@ -1,4 +1,3 @@
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import java.util.Scanner;
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public class ManualBot extends Bot {
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@ -7,7 +6,7 @@ public class ManualBot extends Bot {
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}
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@Override
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public char nextMove(View view) {
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public char nextMove(Bot.View view) {
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Scanner scanner = new Scanner(System.in);
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System.out.print("Geben Sie einen Steuerbefehl ein (w/s/a/d/q): ");
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String input = scanner.nextLine().trim().toLowerCase();
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