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Elias 2024-11-27 13:13:05 +01:00
parent 753bf1f5e9
commit ac45ada088
4 changed files with 237 additions and 0 deletions
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87
src/Bot.java Normal file
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package src;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
import java.net.InetSocketAddress;
public abstract class Bot {
// Ein Bot ist ein Programm, das sich mit einem Server verbindet und
// mit diesem kommuniziert. Der Server sendet dem Bot eine Zeichenkette,
// die das Spielfeld repräsentiert. Der Bot sendet dem Server ein Zeichen,
// das die nächste Bewegung des Bots repräsentiert.
private final String host; // Hostname oder IP-Adresse des Servers
private final int port; // Port des Servers
protected Bot(String[] args) {
host = args.length > 0 ? args[0] : "localhost";
port = args.length > 1 ? Integer.parseInt(args[1]) : 63187;
}
// Diese Methode stellt die Verbindung zum Server her und startet die
// Kommunikation mit dem Server. Die Methode wird von der main-Methode
// aufgerufen.
protected void run() {
try (Socket socket = new Socket()) {
socket.connect(new InetSocketAddress(host, port));
OutputStream out = socket.getOutputStream();
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
View view = new View();
while (true) {
view.read(in);
view.print();
try {
char ch = nextMove(view);
out.write(ch);
}
catch (Exception e) { break; }
}
socket.close();
} catch (IOException e) {
System.err.println("Error: " + e.getMessage());
}
}
// Diese Methode ermittelt den nächsten Zug des Bots. Sie wird von der
// run-Methode aufgerufen, nachdem der Server das Spielfeld gesendet hat.
// Subklassen müssen diese Methode implementieren.
abstract protected char nextMove(View view) throws Exception;
// Diese Klasse repräsentiert das Spielfeld. Sie wird von der run-Methode
// verwendet, um das Spielfeld zu lesen und auszugeben.
// Subklassen können diese Klasse verwenden, um das Spielfeld zu analysieren.
public static class View {
protected String data;
protected int width;
// Diese Methode liest das Spielfeld vom Server.
private void read(BufferedReader in) throws IOException {
StringBuilder sb = new StringBuilder();
data = in.readLine();
if (data == null) {
return;
}
sb.append(data);
width = data.length();
for (int i = 1; i < width; ++i) {
sb.append(in.readLine());
}
data = sb.toString();
}
// Diese Methode gibt das Spielfeld aus.
protected void print() {
if (data == null || width < 1) {
return;
}
for (int i = 0, len = data.length(); i < len; i += width) {
System.out.println(data.substring(i, i + width));
}
}
}
}

47
src/EscapeBot.java Normal file
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package src;
public class EscapeBot extends Bot{
int stepCounter = 0;
int turnCount = 0;
int viewRange = 5;
int straightLength = 1;
protected EscapeBot(String[] args) {
super(args);
}
public static void main(String[] args) {
EscapeBot bot = new EscapeBot(args);
bot.run();
}
@Override
protected char nextMove(View view) throws Exception {
if(!view.data.contains("o")){
if(turnCount == 2){
turnCount = 0;
straightLength++;
}
if(stepCounter < straightLength * viewRange){
stepCounter++;
return '^';
}else{
stepCounter = 0;
turnCount++;
return '>';
}
}else{
if(view.data.substring(0,10).contains("o")){
return '^';
}else if(view.data.substring(10,12).contains("o")){
return '<';
}else if (view.data.substring(13,15).contains("o")) {
return '>';
}else if(view.data.substring(15,25).contains("o")){
return 'v';
}
}
return 0;
}
}

33
src/ManualBot.java Normal file
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package src;
import java.util.Scanner;
public class ManualBot extends Bot{
Scanner scanner = new Scanner(System.in);
protected ManualBot(String[] args) {
super(args);
}
public static void main(String[] args) {
ManualBot bot = new ManualBot(args);
bot.run();
}
@Override
protected char nextMove(View view) throws Exception {
char ch = 0;
if(scanner.hasNextLine()){
ch = scanner.nextLine().toCharArray()[0];
}
return switch (ch) {
case 'w' -> '^';
case 's' -> 'v';
case 'a' -> '<';
case 'd' -> '>';
case 'q' -> throw new Exception();
default -> 'l';
};
}
}

70
src/SnakeBot.java Normal file
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package src;
public class SnakeBot extends Bot {
int stepCounter = 0;
int turnCount = 0;
int viewRange = 5;
int straightLength = 1;
boolean isOnPath = true;
protected SnakeBot(String[] args) {
super(args);
}
public static void main(String[] args) {
SnakeBot bot = new SnakeBot(args);
bot.run();
}
@Override
protected char nextMove(View view) throws Exception {
if (!view.data.contains("@") && isOnPath) {
if (turnCount == 2) {
turnCount = 0;
straightLength++;
}
if (stepCounter < straightLength * viewRange) {
stepCounter++;
return '^';
} else {
stepCounter = 0;
turnCount++;
return '>';
}
} else if (!view.data.contains("@") && !isOnPath) {
} else {
isOnPath = false;
//check for minerals to the left of the rover (high prio)
for (int i = 0; i < view.data.length(); i += viewRange) {
if (view.data.substring(i, i + 2).contains("@")) {
return '<';
}
}
//check for minerals in front of the rover (mid prio)
if (view.data.substring(0, view.data.length() / 2 - viewRange / 2).contains("@")) {
return '^';
}
//check for minerals to the right of the rover (low prio)
for (int i = 3; i < view.data.length(); i += viewRange) {
if (view.data.substring(i, i + 2).contains("@")) {
return '>';
}
}
// if (view.data.substring(0, 10).contains("@")) {
// return '^';
// } else if (view.data.substring(10, 12).contains("@")) {
// return '<';
// } else if (view.data.substring(13, 15).contains("@")) {
// return '>';
// } else if (view.data.substring(15, 25).contains("@")) {
// return 'v';
// }
}
return 0;
}
}