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package io.github.moulberry.notenoughupdates;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class StreamerMode {
private static final Pattern lobbyPattern = Pattern.compile("(mini|mega)([0-9]{1,3}[A-Z])");
public static String filterLobbyNames(String line) {
Matcher matcher = lobbyPattern.matcher(line);
if(matcher.find() && matcher.groupCount() == 2) {
String lobbyType = matcher.group(1);
String lobbyId = matcher.group(2);
long lobbyNum = Long.parseLong(lobbyId.substring(0, lobbyId.length()-1));
long obfLobbyNum = (lobbyNum*9182739 + 11) % 500;
char obfLobbyLetter = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".charAt((int)(obfLobbyNum%26));
line = line.replaceAll("(mini|mega|m|M)([0-9]{1,3}[A-Z])", lobbyType+obfLobbyNum+obfLobbyLetter);
}
return line;
}
public static String filterScoreboard(String line) {
line = filterLobbyNames(cleanDuplicateColourCodes(line));
return line;
}
public static String filterChat(String line) {
line = filterLobbyNames(line);
return line;
}
private static String cleanDuplicateColourCodes(String line) {
StringBuilder sb = new StringBuilder();
char currentColourCode = 'r';
boolean sectionSymbolLast = false;
for(char c : line.toCharArray()) {
if((int)c > 50000) continue;
if(c == '\u00a7') {
sectionSymbolLast = true;
} else {
if(sectionSymbolLast) {
if(currentColourCode != c) {
sb.append('\u00a7');
sb.append(c);
currentColourCode = c;
}
sectionSymbolLast = false;
} else {
sb.append(c);
}
}
}
return sb.toString();
}
}
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