added Anti Player Loot despawn

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/metaGameplay/antiPlayerLootDespawn/AntiPlayerLootDespawn.java

@@ -0,0 +1,14 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.metaGameplay.antiPlayerLootDespawn;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class AntiPlayerLootDespawn extends Appliance {
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(new AntiPlayerLootDespawnListener());
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/metaGameplay/antiPlayerLootDespawn/AntiPlayerLootDespawnListener.java

@@ -0,0 +1,51 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.metaGameplay.antiPlayerLootDespawn;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.Location;
+import org.bukkit.NamespacedKey;
+import org.bukkit.entity.Item;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.ItemDespawnEvent;
+import org.bukkit.event.entity.ItemSpawnEvent;
+import org.bukkit.event.entity.PlayerDeathEvent;
+import org.bukkit.persistence.PersistentDataContainer;
+import org.bukkit.persistence.PersistentDataType;
+
+import java.util.Locale;
+
+public class AntiPlayerLootDespawnListener extends ApplianceListener<AntiPlayerLootDespawn> {
+    private static final int extraCycles = 5;
+    private static final String namespace = AntiPlayerLootDespawnListener.class.getSimpleName().toLowerCase(Locale.ROOT);
+    public static NamespacedKey cyclesKey = new NamespacedKey(namespace, "item_deaths_cycles".toLowerCase());
+    private Location lastDeathLocation;
+    private long lastDeathTick = -1;
+
+    @EventHandler
+    public void onDeath(PlayerDeathEvent event) {
+        this.lastDeathLocation = event.getEntity().getLocation();
+        this.lastDeathTick = event.getPlayer().getWorld().getGameTime();
+    }
+
+    @EventHandler
+    public void onItemSpawn(ItemSpawnEvent event) {
+        Item item = event.getEntity();
+
+        if(this.lastDeathLocation == null) return;
+        if(!item.getWorld().equals(this.lastDeathLocation.getWorld())) return;
+        if (item.getWorld().getGameTime() != this.lastDeathTick) return;
+        if(item.getLocation().distanceSquared(this.lastDeathLocation) > 9) return;
+
+        item.getPersistentDataContainer().set(cyclesKey, PersistentDataType.INTEGER, extraCycles);
+    }
+
+    @EventHandler
+    public void onItemDespawn(ItemDespawnEvent event) {
+        PersistentDataContainer data = event.getEntity().getPersistentDataContainer();
+        Integer cycles = data.get(cyclesKey, PersistentDataType.INTEGER);
+
+        if(cycles == null || cycles <= 0) return;
+
+        data.set(cyclesKey, PersistentDataType.INTEGER, cycles - 1);
+        event.setCancelled(true);
+    }
+}