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GuildMusicManager.java
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GuildMusicManager.java
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package me.despawningbone.discordbot.command.music;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.ScheduledFuture;
import com.sedmelluq.discord.lavaplayer.filter.equalizer.EqualizerFactory;
import com.sedmelluq.discord.lavaplayer.player.AudioPlayer;
import com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager;
import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.entities.User;
/**
* Guild object to store music specific data and audio player / scheduler;
* Boilerplate from
* https://github.com/sedmelluq/lavaplayer/tree/master/demo-jda/src/main/java/com/sedmelluq/discord/lavaplayer/demo/jda
*/
public class GuildMusicManager {
public final AudioPlayer player;
public final TrackScheduler scheduler;
private HashMap<String, List<String>> votes = new HashMap<>();
public ScheduledFuture<?> clearQueueCleanup = null;
public ScheduledFuture<?> pendingCleanup = null;
public List<AudioTrack> pending = null;
private EqualizerFactory equalizer = new EqualizerFactory();
public int vote(User user, String type, int req) throws UnsupportedOperationException {
List<String> ids = votes.get(type);
if (ids == null) ids = new ArrayList<>();
if (ids.contains(user.getId()))
throw new UnsupportedOperationException("You have already voted!");
ids.add(user.getId());
if (ids.size() < req) {
votes.put(type, ids); //actually shouldnt need to put
return ids.size();
} else { //vote passed
votes.remove(type);
switch (type) { //type specific cleanup stuff
case "tracks":
if (pendingCleanup != null) {
pending = null;
pendingCleanup.cancel(true);
pendingCleanup = null;
}
break;
}
return -1;
}
}
public void clearVotes(String type) {
votes.remove(type);
}
public void clearAllVotes() {
votes.clear();
}
public void setGain(int fromBand, Float... values) throws IllegalArgumentException {
for (int i = fromBand; i < values.length; i++) {
if (values[i] > 0.25) throw new IllegalArgumentException("A band's value is out of range.");
equalizer.setGain(i, values[i]);
}
}
public Float[] getCurrentGain() {
Float[] vals = new Float[15];
for (int i = 0; i < 15; i++) {
vals[i] = equalizer.getGain(i);
}
return vals;
}
public Float[] setPresetGain(String name) throws IllegalArgumentException {
Float[] preset;
switch (name) {
case "bassboost":
preset = new Float[] { 0.08f, 0.06f, 0.05f, 0f, -0.03f, -0.05f, -0.07f, -0.07f, -0.07f, -0.07f, -0.07f, -0.07f, -0.07f, -0.07f, -0.07f };
break;
case "default":
preset = new Float[] { 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f };
break;
case "rock":
preset = new Float[] { 0.07f, 0.05f, 0.05f, -0.01f, -0.02f, -0.02f, -0.04f, -0.04f, 0.01f, 0.01f, 0.03f, 0.05f, 0.07f, 0.08f, 0.08f };
break;
default:
throw new IllegalArgumentException("Unknown preset.");
}
for (int i = 0; i < preset.length; i++) {
equalizer.setGain(i, preset[i]);
}
return preset;
}
//spin up a music instance for the guild
public GuildMusicManager(Guild guild, AudioTrackHandler handler, AudioPlayerManager manager) {
player = manager.createPlayer();
scheduler = new TrackScheduler(guild, handler, player);
player.addListener(scheduler);
player.setFilterFactory(equalizer);
}
public AudioPlayerSendHandler getSendHandler() {
return new AudioPlayerSendHandler(player);
}
}

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Wed, Oct 8, 11:31 PM (52 m, 23 s)
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