public function onUnloadChunk(ChunkUnloadEvent $event)
 {
     if ($event->getLevel()->getName() !== "world_pvp") {
         return;
     }
     $chunk = $event->getChunk();
     $hash = Level::chunkHash($chunk->getX(), $chunk->getZ());
     if (isset($this->modelLocs[$hash])) {
         foreach ($this->modelLocs[$hash] as $id => $model) {
             if (isset($this->models[$id])) {
                 $this->models[$id]->_kill();
                 unset($this->models[$id]);
             }
         }
     }
     if (isset($this->shopLocs[$hash])) {
         foreach ($this->shopLocs[$hash] as $col => $loc) {
             if (isset($this->shops[$col])) {
                 $this->shops[$col]->_kill();
                 unset($this->shops[$col]);
             }
         }
     }
     if ($hash === $this->bowHash) {
         $this->bow->_kill();
         $this->bow = null;
     }
 }
 public function onUnload(ChunkUnloadEvent $event)
 {
     if ($event->getLevel() === $this->level) {
         foreach ($this->locs[Level::chunkHash($event->getChunk()->getX(), $event->getChunk()->getZ())] as $id => $spawn) {
             if (isset($this->spawns[$spawn->getId()])) {
                 $this->level->removeEntity($this->spawns[$spawn->getId()]);
             }
         }
     }
 }