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package soundbot;
import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
import com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager;
import com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager;
import com.sedmelluq.discord.lavaplayer.source.AudioSourceManagers;
import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
import net.dv8tion.jda.core.AccountType;
import net.dv8tion.jda.core.JDA;
import net.dv8tion.jda.core.JDABuilder;
import net.dv8tion.jda.core.entities.Guild;
import net.dv8tion.jda.core.entities.TextChannel;
import net.dv8tion.jda.core.entities.VoiceChannel;
import net.dv8tion.jda.core.events.message.MessageReceivedEvent;
import net.dv8tion.jda.client.events.call.voice.CallVoiceJoinEvent;
import net.dv8tion.jda.core.hooks.ListenerAdapter;
import net.dv8tion.jda.core.managers.AudioManager;
import java.util.HashMap;
import java.util.Map;
public class Main extends ListenerAdapter {
public static void main(String[] args) throws Exception {
JDA jda = new JDABuilder(AccountType.BOT)
.setToken(System.getProperty("botToken"))
.buildBlocking();
jda.addEventListener(new Main());
}
private final AudioPlayerManager playerManager;
private final Map<Long, GuildMusicManager> musicManagers;
private Main() {
this.musicManagers = new HashMap<>();
this.playerManager = new DefaultAudioPlayerManager();
AudioSourceManagers.registerRemoteSources(playerManager);
AudioSourceManagers.registerLocalSource(playerManager);
}
private synchronized GuildMusicManager getGuildAudioPlayer(Guild guild) {
long guildId = Long.parseLong(guild.getId());
GuildMusicManager musicManager = musicManagers.get(guildId);
if (musicManager == null) {
musicManager = new GuildMusicManager(playerManager);
musicManagers.put(guildId, musicManager);
}
guild.getAudioManager().setSendingHandler(musicManager.getSendHandler());
return musicManager;
}
@Override
public void onCallVoiceJoin(CallVoiceJoinEvent event){
}
@Override
public void onMessageReceived(MessageReceivedEvent event) {
String[] command = event.getMessage().getContentRaw().split(" ", 2);
Guild guild = event.getGuild();
if (guild != null) {
if ("~play".equals(command[0]) && command.length == 2) {
loadAndPlay(event.getTextChannel(), command[1]);
} else if ("~skip".equals(command[0])) {
skipTrack(event.getTextChannel());
} else if ("~volume".equals(command[0]) && command.length == 2) {
changeVolume(event.getTextChannel(), command[1]);
} else if ("~pause".equals(command[0])) {
pauseTrack(event.getTextChannel());
} else if ("~unpause".equals(command[0])) {
unpauseTrack(event.getTextChannel());
}
}
super.onMessageReceived(event);
}
private void changeVolume(final TextChannel channel, final String volume) {
GuildMusicManager musicManager = getGuildAudioPlayer(channel.getGuild());
musicManager.player.setVolume(Integer.parseInt(volume));
channel.sendMessage("Volume now set to " + volume + "%").queue();
}
private void pauseTrack(final TextChannel channel){
GuildMusicManager musicManager = getGuildAudioPlayer(channel.getGuild());
musicManager.player.setPaused(true);
channel.sendMessage("Playback Paused.").queue();
}
private void unpauseTrack(final TextChannel channel){
GuildMusicManager musicManager = getGuildAudioPlayer(channel.getGuild());
musicManager.player.setPaused(false);
channel.sendMessage("Unpaused playback.").queue();
}
private void loadAndPlay(final TextChannel channel, final String trackUrl) {
GuildMusicManager musicManager = getGuildAudioPlayer(channel.getGuild());
playerManager.loadItemOrdered(musicManager, trackUrl, new AudioLoadResultHandler() {
@Override
public void trackLoaded(AudioTrack track) {
int timeStart = trackUrl.lastIndexOf('=');
if(timeStart != -1){
String timeString = trackUrl.substring(timeStart);
//The format will be 1h2m53s, need to parse that into seconds and then call
//track.setPosition(long position)
}
channel.sendMessage("Adding to queue " + track.getInfo().title).queue();
play(channel.getGuild(), musicManager, track);
}
@Override
public void playlistLoaded(AudioPlaylist playlist) {
AudioTrack firstTrack = playlist.getSelectedTrack();
if (firstTrack == null) {
firstTrack = playlist.getTracks().get(0);
}
channel.sendMessage("Adding to queue " + firstTrack.getInfo().title + " (first track of playlist " + playlist.getName() + ")").queue();
play(channel.getGuild(), musicManager, firstTrack);
}
@Override
public void noMatches() {
channel.sendMessage("Nothing found by " + trackUrl).queue();
}
@Override
public void loadFailed(FriendlyException exception) {
channel.sendMessage("Could not play: " + exception.getMessage()).queue();
}
});
}
private void play(Guild guild, GuildMusicManager musicManager, AudioTrack track) {
connectToFirstVoiceChannel(guild.getAudioManager());
musicManager.scheduler.queue(track);
}
private void skipTrack(TextChannel channel) {
GuildMusicManager musicManager = getGuildAudioPlayer(channel.getGuild());
musicManager.scheduler.nextTrack();
channel.sendMessage("Skipped to next track.").queue();
}
private static void connectToFirstVoiceChannel(AudioManager audioManager) {
if (!audioManager.isConnected() && !audioManager.isAttemptingToConnect()) {
for (VoiceChannel voiceChannel : audioManager.getGuild().getVoiceChannels()) {
audioManager.openAudioConnection(voiceChannel);
break;
}
}
}
}
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