fix: prevent overlapping fade and loop playback
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2026-08-04 05:55:41 +02:00
parent b8215dffb9
commit f11366088c
2 changed files with 13 additions and 10 deletions
@@ -35,21 +35,21 @@ public final class PlaybackService {
float volume = volumeFor(zone, player);
if (sound == null) {
play(player, zone, volume);
current.put(zone.normalizedName(), new ActiveSound(zone, Long.MAX_VALUE, now, volume));
current.put(zone.normalizedName(), new ActiveSound(zone, Long.MAX_VALUE, now, now, volume));
} else if (zone.loop() && loopRestartTicks > 0 && now - sound.startedAtTick() >= loopRestartTicks) {
play(player, zone, volume);
current.put(zone.normalizedName(), new ActiveSound(zone, Long.MAX_VALUE, now, volume));
} else if (followPlayer && Math.abs(sound.volume() - volume) >= 0.05f) {
// A sound packet has no mutable volume. Re-emit only when the fade changed materially;
// inside the zone the packet remains attached to the player and is not restarted.
current.put(zone.normalizedName(), new ActiveSound(zone, Long.MAX_VALUE, now, now, volume));
} else if (followPlayer && now - sound.lastPacketTick() >= 40 && Math.abs(sound.volume() - volume) >= 0.10f) {
// Bukkit has no volume-update packet. Rate-limit fade packets and stop the previous
// packet first; otherwise repeated entity sound packets overlap on the client.
play(player, zone, volume);
current.put(zone.normalizedName(), new ActiveSound(zone, Long.MAX_VALUE, sound.startedAtTick(), volume));
current.put(zone.normalizedName(), new ActiveSound(zone, Long.MAX_VALUE, sound.startedAtTick(), now, volume));
}
}
for (Iterator<Map.Entry<String, ActiveSound>> it = current.entrySet().iterator(); it.hasNext();) {
Map.Entry<String, ActiveSound> entry = it.next(); ActiveSound sound = entry.getValue();
if (desired.contains(entry.getKey())) { entry.setValue(new ActiveSound(sound.zone(), Long.MAX_VALUE, sound.startedAtTick(), sound.volume())); continue; }
if (sound.stopAtTick() == Long.MAX_VALUE) { entry.setValue(new ActiveSound(sound.zone(), now + leaveGraceTicks, sound.startedAtTick(), sound.volume())); continue; }
if (desired.contains(entry.getKey())) { entry.setValue(new ActiveSound(sound.zone(), Long.MAX_VALUE, sound.startedAtTick(), sound.lastPacketTick(), sound.volume())); continue; }
if (sound.stopAtTick() == Long.MAX_VALUE) { entry.setValue(new ActiveSound(sound.zone(), now + leaveGraceTicks, sound.startedAtTick(), sound.lastPacketTick(), sound.volume())); continue; }
if (now >= sound.stopAtTick()) { player.stopSound(sound.zone().sound(), sound.zone().category()); it.remove(); }
}
if (current.isEmpty()) active.remove(player.getUniqueId());
@@ -63,6 +63,9 @@ public final class PlaybackService {
} active.clear();
}
private void play(Player player, AudioZone zone, float volume) {
// A sound event is not a handle. Stop the matching event before re-emitting it so
// fade updates and loop restarts cannot layer copies of the same sound.
player.stopSound(zone.sound(), zone.category());
if (followPlayer) player.playSound(player, zone.sound(), zone.category(), volume, zone.pitch());
else player.playSound(zone.originLocation(player.getWorld()), zone.sound(), zone.category(), zone.volume(), zone.pitch());
}
@@ -73,5 +76,5 @@ public final class PlaybackService {
double multiplier = fade == 0 ? (distance == 0 ? 1 : 0) : Math.max(0, 1 - distance / fade);
return (float) Math.max(0.001, zone.volume() * multiplier);
}
private record ActiveSound(AudioZone zone, long stopAtTick, long startedAtTick, float volume) { }
private record ActiveSound(AudioZone zone, long stopAtTick, long startedAtTick, long lastPacketTick, float volume) { }
}