新增附魔书堆叠

README.md

@@ -68,6 +68,14 @@ EssentialsX，其中D代表Deer。
 
 使用 `enderchest` 可以快速打开末影箱。
 
+### 9. 附魔书堆叠
+
+使用两本书可以合成堆叠为2的附魔书：
+
+![](https://ssl.lunadeer.cn:14437/i/2024/03/19/65f86b5f25303.png)
+
+此种特殊堆叠可以用于实现大吸力漏斗等特殊效果（详情可自行搜索学习）。
+
 ## 管理员指南
 
 ### 1. 无敌模式

pom.xml

@@ -6,7 +6,7 @@
 
   <groupId>cn.lunadeer</groupId>
   <artifactId>EssentialsD</artifactId>
-  <version>1.8.0</version>
+  <version>1.9.1</version>
   <packaging>jar</packaging>
 
   <name>EssentialsD</name>

src/main/java/cn/lunadeer/essentialsd/EssentialsD.java

@@ -4,6 +4,7 @@ import cn.lunadeer.essentialsd.commands.*;
 import cn.lunadeer.essentialsd.recipes.Crowbar;
 import cn.lunadeer.essentialsd.recipes.InvisibleGlowItemFrame;
 import cn.lunadeer.essentialsd.recipes.InvisibleItemFrame;
+import cn.lunadeer.essentialsd.recipes.StackedEnchantBook;
 import cn.lunadeer.essentialsd.utils.ConfigManager;
 import cn.lunadeer.essentialsd.utils.XLogger;
 import org.bukkit.Bukkit;
@@ -39,6 +40,7 @@ public final class EssentialsD extends JavaPlugin {
         this.getServer().addRecipe(InvisibleItemFrame.getRecipe());
         this.getServer().addRecipe(InvisibleGlowItemFrame.getRecipe());
         this.getServer().addRecipe(Crowbar.getRecipe());
+        this.getServer().addRecipe(StackedEnchantBook.getRecipe());
 
         XLogger.info("EssentialsD 已加载");
         XLogger.info("版本: " + getPluginMeta().getVersion());

src/main/java/cn/lunadeer/essentialsd/Events.java

@@ -5,6 +5,7 @@ import cn.lunadeer.essentialsd.recipes.Crowbar;
 import cn.lunadeer.essentialsd.recipes.InvisibleGlowItemFrame;
 import cn.lunadeer.essentialsd.recipes.InvisibleItemFrame;
 import cn.lunadeer.essentialsd.utils.Notification;
+import org.bukkit.Chunk;
 import org.bukkit.Material;
 import org.bukkit.NamespacedKey;
 import org.bukkit.block.Block;
@@ -16,6 +17,7 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
 import org.bukkit.event.entity.ExpBottleEvent;
+import org.bukkit.event.entity.ItemDespawnEvent;
 import org.bukkit.event.hanging.HangingBreakByEntityEvent;
 import org.bukkit.event.hanging.HangingPlaceEvent;
 import org.bukkit.event.inventory.InventoryClickEvent;
@@ -27,6 +29,8 @@ import org.bukkit.inventory.InventoryView;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.persistence.PersistentDataType;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Objects;
 
 public class Events implements Listener {
@@ -185,9 +189,9 @@ public class Events implements Listener {
 
     // on throw ExpBottle set multiplier for ExpBottle
     @EventHandler(priority = EventPriority.HIGHEST)
-    public void onExpBottleUsage(ExpBottleEvent event){
+    public void onExpBottleUsage(ExpBottleEvent event) {
         int exp = event.getExperience();
-        if (exp < 0){
+        if (exp < 0) {
             event.setExperience(0);
         }
         event.setExperience((int) (exp * EssentialsD.config.getExpBottleRatio()));

src/main/java/cn/lunadeer/essentialsd/recipes/StackedEnchantBook.java

@@ -0,0 +1,24 @@
+package cn.lunadeer.essentialsd.recipes;
+
+import cn.lunadeer.essentialsd.EssentialsD;
+import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.ShapelessRecipe;
+
+public class StackedEnchantBook {
+
+    public static ShapelessRecipe getRecipe() {
+        NamespacedKey key = new NamespacedKey(EssentialsD.instance, "two_curse_of_vanishing_books");
+        ItemStack item = stackedEnchantBook();
+        ShapelessRecipe recipe = new ShapelessRecipe(key, item);
+        recipe.addIngredient(Material.BOOK);
+        recipe.addIngredient(Material.BOOK);
+        return recipe;
+    }
+
+    public static ItemStack stackedEnchantBook() {
+        return new ItemStack(Material.ENCHANTED_BOOK, 2);
+    }
+}