Refactor lobby particle runtime for multi-entry particles

Tick particles from per-player cached always/move lists, drop the
per-instance listeners in Delayed and RandomParticle, and compute
particle viewers once per tick instead of once per spawned point.

LobbySystem/src/de/steamwar/lobby/particle/ParticleTickData.java

@@ -26,6 +26,8 @@ import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
 
+import java.util.List;
+
 @RequiredArgsConstructor
 @AllArgsConstructor
 @Getter
@@ -36,6 +38,7 @@ public class ParticleTickData {
     private Location location;
     private final double deg;
     private final boolean isMoving;
+    private final List<Player> viewers;
     private boolean onlySelf = false;
     private boolean onlyOthers = false;
 
@@ -65,6 +68,6 @@ public class ParticleTickData {
     }
 
     public ParticleTickData copy() {
-        return new ParticleTickData(world, player, location, deg, isMoving, onlySelf, onlyOthers);
+        return new ParticleTickData(world, player, location, deg, isMoving, viewers, onlySelf, onlyOthers);
     }
 }