Prepare for 1.20.6

build.gradle.kts

@@ -2,14 +2,14 @@ import xyz.jpenilla.runpaper.task.RunServer
 
 plugins {
     id("java")
-    id("com.github.johnrengelman.shadow") version "8.1.1"
+    id("io.github.goooler.shadow") version "8.1.7"
-    id("io.papermc.paperweight.userdev") version "1.5.11"
+    id("io.papermc.paperweight.userdev") version "1.7.1"
-    id("xyz.jpenilla.run-paper") version "2.2.2"
+    id("xyz.jpenilla.run-paper") version "2.3.0"
     id("net.minecrell.plugin-yml.bukkit") version "0.6.0"
 }
 
 group = "dev.plex"
-version = "2.2.1"
+version = "2.3"
 
 allprojects {
     repositories {
@@ -30,7 +30,7 @@ allprojects {
 
 subprojects {
     apply(plugin = "java")
-    apply(plugin = "com.github.johnrengelman.shadow")
+    apply(plugin = "io.github.goooler.shadow")
     apply(plugin = "io.papermc.paperweight.userdev")
 
     dependencies {
@@ -47,7 +47,7 @@ subprojects {
 }
 
 java {
-    toolchain.languageVersion.set(JavaLanguageVersion.of(17))
+    toolchain.languageVersion.set(JavaLanguageVersion.of(21))
 }
 
 bukkit {
@@ -56,7 +56,7 @@ bukkit {
     description = "A new way to edit your items"
     authors = listOf("Focusvity", "Telesphoreo")
     main = "dev.plex.itemizerx.ItemizerX"
-    apiVersion = "1.17"
+    apiVersion = "1.19"
     foliaSupported = true
     softDepend = listOf("CoreProtect")
     commands {
@@ -70,7 +70,7 @@ bukkit {
 
 // Adapted from PlotSquared
 val supportedVersions =
-        listOf("1.17.1", "1.18.1", "1.18.2", "1.19", "1.19.1", "1.19.2", "1.19.3", "1.19.4", "1.20", "1.20.1", "1.20.2", "1.20.4")
+        listOf("1.19.4", "1.20", "1.20.1", "1.20.2", "1.20.4", "1.20.6")
 tasks {
     supportedVersions.forEach {
         register<RunServer>("runServer-$it") {
@@ -89,7 +89,7 @@ tasks {
 
     compileJava {
         options.encoding = Charsets.UTF_8.name()
-        options.release.set(17)
+        options.release.set(21)
     }
 
     shadowJar {
@@ -98,19 +98,13 @@ tasks {
 }
 
 dependencies {
-    paperweight.paperDevBundle("1.20.2-R0.1-SNAPSHOT")
+    paperweight.paperDevBundle("1.20.6-R0.1-SNAPSHOT")
-    compileOnly("io.papermc.paper:paper-api:1.20.2-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.20.6-R0.1-SNAPSHOT")
-    compileOnly("net.coreprotect:coreprotect:22.2")
+    compileOnly("net.coreprotect:coreprotect:22.4")
     implementation("org.bstats:bstats-base:3.0.2")
     implementation("org.bstats:bstats-bukkit:3.0.2")
     implementation(project(path = ":shared", configuration = "shadow"))
+    implementation(project(path = ":v1_20_R4", configuration = "shadow"))
     implementation(project(path = ":v1_20_R3", configuration = "shadow"))
     implementation(project(path = ":v1_20_R2", configuration = "shadow"))
-    implementation(project(path = ":v1_20_R1", configuration = "shadow"))
-    implementation(project(path = ":v1_19_R3", configuration = "shadow"))
-    implementation(project(path = ":v1_19_R2", configuration = "shadow"))
-    implementation(project(path = ":v1_19_R1", configuration = "shadow"))
-    implementation(project(path = ":v1_18_R2", configuration = "shadow"))
-    implementation(project(path = ":v1_18_R1", configuration = "shadow"))
-    implementation(project(path = ":v1_17_R1", configuration = "shadow"))
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

settings.gradle.kts

@@ -1,15 +1,9 @@
 plugins {
-    id("org.gradle.toolchains.foojay-resolver-convention") version ("0.5.0")
+    id("org.gradle.toolchains.foojay-resolver-convention") version ("0.8.0")
 }
 
 rootProject.name = "ItemizerX"
 include("shared")
+include("v1_20_R4")
 include("v1_20_R3")
 include("v1_20_R2")
-include("v1_20_R1")
-include("v1_19_R3")
-include("v1_19_R2")
-include("v1_19_R1")
-include("v1_18_R2")
-include("v1_18_R1")
-include("v1_17_R1")

src/main/java/dev/plex/itemizerx/ItemizerX.java

@@ -1,6 +1,7 @@
 package dev.plex.itemizerx;
 
 import org.bstats.bukkit.Metrics;
+import org.bukkit.Bukkit;
 import org.bukkit.plugin.java.JavaPlugin;
 
 public class ItemizerX extends JavaPlugin
@@ -23,67 +24,35 @@ public class ItemizerX extends JavaPlugin
         new Metrics(this, 19104);
         cpb.getCoreProtect();
         getCommand("itemizer").setTabCompleter(new ItemizerXTab());
-        switch (getNMSVersion())
+        switch (getServerVersion())
         {
-            case "v1_20_R3" ->
+            case "1.20.5", "1.20.6" ->
+            {
+                getCommand("itemizer").setExecutor(new ItemizerXCommand());
+                attr = new dev.plex.itemizerx.v1_20_R4.AttributeManager();
+            }
+            case "1.20.4" ->
             {
                 getCommand("itemizer").setExecutor(new ItemizerXCommand());
                 attr = new dev.plex.itemizerx.v1_20_R3.AttributeManager();
             }
-            case "v1_20_R2" ->
+            case "1.20.3", "1.20.2" ->
             {
                 getCommand("itemizer").setExecutor(new ItemizerXCommand());
                 attr = new dev.plex.itemizerx.v1_20_R2.AttributeManager();
             }
-            case "v1_20_R1" ->
-            {
-                getCommand("itemizer").setExecutor(new ItemizerXCommand());
-                attr = new dev.plex.itemizerx.v1_20_R1.AttributeManager();
-            }
-            case "v1_19_R3" ->
-            {
-                getCommand("itemizer").setExecutor(new ItemizerXCommand());
-                attr = new dev.plex.itemizerx.v1_19_R3.AttributeManager();
-            }
-            case "v1_19_R2" ->
-            {
-                getCommand("itemizer").setExecutor(new ItemizerXCommand());
-                attr = new dev.plex.itemizerx.v1_19_R2.AttributeManager();
-            }
-            case "v1_19_R1" ->
-            {
-                getCommand("itemizer").setExecutor(new ItemizerXCommand());
-                attr = new dev.plex.itemizerx.v1_19_R1.AttributeManager();
-            }
-            case "v1_18_R2" ->
-            {
-                getCommand("itemizer").setExecutor(new ItemizerXCommand());
-                attr = new dev.plex.itemizerx.v1_18_R2.AttributeManager();
-            }
-            case "v1_18_R1" ->
-            {
-                getCommand("itemizer").setExecutor(new ItemizerXCompatCommand());
-                attr = new dev.plex.itemizerx.v1_18_R1.AttributeManager();
-
-            }
-            case "v1_17_R1" ->
-            {
-                getCommand("itemizer").setExecutor(new ItemizerXCompatCommand());
-                attr = new dev.plex.itemizerx.v1_17_R1.AttributeManager();
-            }
             default ->
             {
                 getLogger().severe("You are trying to run ItemizerX on an incompatible server version.");
-                getLogger().severe("ItemizerX only supports versions 1.17.1 to 1.20.1, disabling plugin.");
+                getLogger().severe("ItemizerX only supports versions 1.20.2 to 1.20.6, disabling plugin.");
                 getServer().getPluginManager().disablePlugin(this);
             }
         }
     }
 
-    public String getNMSVersion()
+    public String getServerVersion()
     {
-        String v = getServer().getClass().getPackage().getName();
+        return Bukkit.getServer().getMinecraftVersion();
-        return v.substring(v.lastIndexOf('.') + 1);
     }
 
     @Override

v1_17_R1/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

v1_17_R1/build.gradle.kts

@@ -1,3 +0,0 @@
-dependencies {
-    paperweight.paperDevBundle("1.17.1-R0.1-SNAPSHOT")
-}

v1_17_R1/src/main/java/dev/plex/itemizerx/v1_17_R1/AttributeManager.java

@@ -1,164 +0,0 @@
-package dev.plex.itemizerx.v1_17_R1;
-
-import dev.plex.itemizerx.Attributes;
-import dev.plex.itemizerx.IAttributeManager;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
-import net.minecraft.nbt.Tag;
-import net.minecraft.world.item.ItemStack;
-import org.apache.commons.lang.StringUtils;
-import org.bukkit.ChatColor;
-import org.bukkit.craftbukkit.v1_17_R1.inventory.CraftItemStack;
-import org.bukkit.entity.Player;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-public class AttributeManager implements IAttributeManager
-{
-    @Override
-    public ListTag getAttrList(final ItemStack item)
-    {
-        ListTag attrmod = item.getOrCreateTag().getList("AttributeModifiers", 10);
-        if (attrmod == null)
-        {
-            item.getTag().put("AttributeModifiers", new CompoundTag());
-        }
-        return item.getTag().getList("AttributeModifiers", 10);
-    }
-
-    @Override
-    public void addAttr(final Player player, final String[] args)
-    {
-        int op;
-        if (args.length < 4)
-        {
-            player.sendMessage(colorize("&b/itemizer attr add <&fname&b> <&fstrength&b> [&fslot&b] &c- "
-                    + "&6Add an attribute"));
-            return;
-        }
-        final Attributes a = Attributes.get(args[2]);
-        if (a == null)
-        {
-            player.sendMessage(colorize("&4\"" + args[2] + "\" is not a valid attribute type."));
-            return;
-        }
-        double amount;
-        try
-        {
-            amount = Double.parseDouble(args[3]);
-        }
-        catch (NumberFormatException ex)
-        {
-            player.sendMessage(colorize("&4\"" + args[3] + "\" is not a valid number."));
-            return;
-        }
-        if (Double.isNaN(amount))
-        {
-            player.sendMessage(colorize("&4Please do not use &f'NaN (Not a Number)'"));
-            return;
-        }
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (c.getString("Name").equals(args[2]))
-            {
-                player.sendMessage(colorize("&4An attribute with the name \"&f" + args[2] + "&4\" already exists!"));
-                return;
-            }
-        }
-        final CompoundTag c = new CompoundTag();
-        c.putString("Name", args[2]);
-        c.putString("AttributeName", a.mcName);
-        c.putDouble("Amount", amount);
-        op = a.op;
-        c.putInt("Operation", op);
-        final Random random = new Random();
-        c.putIntArray("UUID", new int[]
-                {
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt()
-                });
-        if (args.length == 5)
-        {
-            final List<String> options = new ArrayList<>();
-            options.add("mainhand");
-            options.add("offhand");
-            options.add("head");
-            options.add("chest");
-            options.add("legs");
-            options.add("feet");
-            if (!options.contains(args[4].toLowerCase()))
-            {
-                player.sendMessage(colorize("&2Supported options:\n"
-                        + "&e" + StringUtils.join(options, ", ")));
-                return;
-            }
-            c.putString("Slot", args[4].toLowerCase());
-        }
-        attrmod.add(c);
-        nms.getTag().put("AttributeModifiers", attrmod);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(colorize("&2Attribute added!"));
-    }
-
-    @Override
-    public void removeAttr(final Player player, final String string)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        final ListTag newList = new ListTag();
-        boolean r = false;
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (!c.getString("Name").equals(string))
-            {
-                newList.add(nbtBase);
-            }
-            else
-            {
-                r = true;
-            }
-        }
-        if (!r)
-        {
-            player.sendMessage(colorize("&4The attribute \"" + string + "\" doesn't exist!"));
-            return;
-        }
-        nms.getTag().put("AttributeModifiers", newList);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(colorize("&2Attribute removed!"));
-    }
-
-    @Override
-    public void listAttr(final Player player)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        if (attrmod.size() == 0)
-        {
-            player.sendMessage(colorize("&eThis item has no attributes."));
-            return;
-        }
-        player.sendMessage(colorize("&2Item attributes: "));
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            player.sendMessage(colorize("&e" + Attributes.get(c.getString("AttributeName")).mcName
-                    + ", " + c.getDouble("Amount")));
-        }
-    }
-
-    public String colorize(String string)
-    {
-        return ChatColor.translateAlternateColorCodes('&', string);
-    }
-}

v1_18_R1/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

v1_18_R1/build.gradle.kts

@@ -1,3 +0,0 @@
-dependencies {
-    paperweight.paperDevBundle("1.18.1-R0.1-SNAPSHOT")
-}

v1_18_R1/src/main/java/dev/plex/itemizerx.v1_18_R1/AttributeManager.java

@@ -1,164 +0,0 @@
-package dev.plex.itemizerx.v1_18_R1;
-
-import dev.plex.itemizerx.Attributes;
-import dev.plex.itemizerx.IAttributeManager;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
-import net.minecraft.nbt.Tag;
-import net.minecraft.world.item.ItemStack;
-import org.apache.commons.lang.StringUtils;
-import org.bukkit.ChatColor;
-import org.bukkit.craftbukkit.v1_18_R1.inventory.CraftItemStack;
-import org.bukkit.entity.Player;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-public class AttributeManager implements IAttributeManager
-{
-    @Override
-    public ListTag getAttrList(final ItemStack item)
-    {
-        ListTag attrmod = item.getOrCreateTag().getList("AttributeModifiers", 10);
-        if (attrmod == null)
-        {
-            item.getTag().put("AttributeModifiers", new CompoundTag());
-        }
-        return item.getTag().getList("AttributeModifiers", 10);
-    }
-
-    @Override
-    public void addAttr(final Player player, final String[] args)
-    {
-        int op;
-        if (args.length < 4)
-        {
-            player.sendMessage(colorize("&b/itemizer attr add <&fname&b> <&fstrength&b> [&fslot&b] &c- "
-                    + "&6Add an attribute"));
-            return;
-        }
-        final Attributes a = Attributes.get(args[2]);
-        if (a == null)
-        {
-            player.sendMessage(colorize("&4\"" + args[2] + "\" is not a valid attribute type."));
-            return;
-        }
-        double amount;
-        try
-        {
-            amount = Double.parseDouble(args[3]);
-        }
-        catch (NumberFormatException ex)
-        {
-            player.sendMessage(colorize("&4\"" + args[3] + "\" is not a valid number."));
-            return;
-        }
-        if (Double.isNaN(amount))
-        {
-            player.sendMessage(colorize("&4Please do not use &f'NaN (Not a Number)'"));
-            return;
-        }
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (c.getString("Name").equals(args[2]))
-            {
-                player.sendMessage(colorize("&4An attribute with the name \"&f" + args[2] + "&4\" already exists!"));
-                return;
-            }
-        }
-        final CompoundTag c = new CompoundTag();
-        c.putString("Name", args[2]);
-        c.putString("AttributeName", a.mcName);
-        c.putDouble("Amount", amount);
-        op = a.op;
-        c.putInt("Operation", op);
-        final Random random = new Random();
-        c.putIntArray("UUID", new int[]
-                {
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt()
-                });
-        if (args.length == 5)
-        {
-            final List<String> options = new ArrayList<>();
-            options.add("mainhand");
-            options.add("offhand");
-            options.add("head");
-            options.add("chest");
-            options.add("legs");
-            options.add("feet");
-            if (!options.contains(args[4].toLowerCase()))
-            {
-                player.sendMessage(colorize("&2Supported options:\n"
-                        + "&e" + StringUtils.join(options, ", ")));
-                return;
-            }
-            c.putString("Slot", args[4].toLowerCase());
-        }
-        attrmod.add(c);
-        nms.getTag().put("AttributeModifiers", attrmod);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(colorize("&2Attribute added!"));
-    }
-
-    @Override
-    public void removeAttr(final Player player, final String string)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        final ListTag newList = new ListTag();
-        boolean r = false;
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (!c.getString("Name").equals(string))
-            {
-                newList.add(nbtBase);
-            }
-            else
-            {
-                r = true;
-            }
-        }
-        if (!r)
-        {
-            player.sendMessage(colorize("&4The attribute \"" + string + "\" doesn't exist!"));
-            return;
-        }
-        nms.getTag().put("AttributeModifiers", newList);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(colorize("&2Attribute removed!"));
-    }
-
-    @Override
-    public void listAttr(final Player player)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        if (attrmod.size() == 0)
-        {
-            player.sendMessage(colorize("&eThis item has no attributes."));
-            return;
-        }
-        player.sendMessage(colorize("&2Item attributes: "));
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            player.sendMessage(colorize("&e" + Attributes.get(c.getString("AttributeName")).mcName
-                    + ", " + c.getDouble("Amount")));
-        }
-    }
-
-    public String colorize(String string)
-    {
-        return ChatColor.translateAlternateColorCodes('&', string);
-    }
-}

v1_18_R2/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

v1_18_R2/build.gradle.kts

@@ -1,3 +0,0 @@
-dependencies {
-    paperweight.paperDevBundle("1.18.2-R0.1-SNAPSHOT")
-}

v1_18_R2/src/main/java/dev/plex/itemizerx/v1_18_R2/AttributeManager.java

@@ -1,161 +0,0 @@
-package dev.plex.itemizerx.v1_18_R2;
-
-import dev.plex.itemizerx.Attributes;
-import dev.plex.itemizerx.IAttributeManager;
-import net.kyori.adventure.text.minimessage.MiniMessage;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
-import net.minecraft.nbt.Tag;
-import net.minecraft.world.item.ItemStack;
-import org.apache.commons.lang.StringUtils;
-import org.bukkit.craftbukkit.v1_18_R2.inventory.CraftItemStack;
-import org.bukkit.entity.Player;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-public class AttributeManager implements IAttributeManager
-{
-    private final MiniMessage mm = MiniMessage.miniMessage();
-
-    @Override
-    public ListTag getAttrList(final ItemStack item)
-    {
-        ListTag attrmod = item.getOrCreateTag().getList("AttributeModifiers", 10);
-        if (attrmod == null)
-        {
-            item.getTag().put("AttributeModifiers", new CompoundTag());
-        }
-        return item.getTag().getList("AttributeModifiers", 10);
-    }
-
-    @Override
-    public void addAttr(final Player player, final String[] args)
-    {
-        int op;
-        if (args.length < 4)
-        {
-            player.sendMessage(mm.deserialize("<aqua>/itemizer attr add <<white>name<aqua>> <<white>strength<aqua>>" +
-                    "[<white>slot<aqua>] <red>- <gold>Add an attribute"));
-            return;
-        }
-        final Attributes a = Attributes.get(args[2]);
-        if (a == null)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[2] + "\" is not a valid attribute type."));
-            return;
-        }
-        double amount;
-        try
-        {
-            amount = Double.parseDouble(args[3]);
-        }
-        catch (NumberFormatException ex)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[3] + "\" is not a valid number."));
-            return;
-        }
-        if (Double.isNaN(amount))
-        {
-            player.sendMessage(mm.deserialize("<dark_red>Please do not use <white>'NaN (Not a Number)'"));
-            return;
-        }
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (c.getString("Name").equals(args[2]))
-            {
-                player.sendMessage(mm.deserialize("<dark_red>An attribute with the name \"<white>" + args[2] + "<dark_red>\" already exists!"));
-                return;
-            }
-        }
-        final CompoundTag c = new CompoundTag();
-        c.putString("Name", args[2]);
-        c.putString("AttributeName", a.mcName);
-        c.putDouble("Amount", amount);
-        op = a.op;
-        c.putInt("Operation", op);
-        final Random random = new Random();
-        c.putIntArray("UUID", new int[]
-                {
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt()
-                });
-        if (args.length == 5)
-        {
-            final List<String> options = new ArrayList<>();
-            options.add("mainhand");
-            options.add("offhand");
-            options.add("head");
-            options.add("chest");
-            options.add("legs");
-            options.add("feet");
-            if (!options.contains(args[4].toLowerCase()))
-            {
-                player.sendMessage(mm.deserialize("<dark_green>Supported options:"));
-                player.sendMessage(mm.deserialize("<yellow>" + StringUtils.join(options, ", ")));
-                return;
-            }
-            c.putString("Slot", args[4].toLowerCase());
-        }
-        attrmod.add(c);
-        nms.getTag().put("AttributeModifiers", attrmod);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_aqua>Attribute added!"));
-    }
-
-    @Override
-    public void removeAttr(final Player player, final String string)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        final ListTag newList = new ListTag();
-        boolean r = false;
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (!c.getString("Name").equals(string))
-            {
-                newList.add(nbtBase);
-            }
-            else
-            {
-                r = true;
-            }
-        }
-        if (!r)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>The attribute \"" + string + "\" doesn't exist!"));
-            return;
-        }
-        nms.getTag().put("AttributeModifiers", newList);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_green>Attribute removed!"));
-    }
-
-    @Override
-    public void listAttr(final Player player)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        if (attrmod.size() == 0)
-        {
-            player.sendMessage(mm.deserialize("<yellow>This item has no attributes."));
-            return;
-        }
-        player.sendMessage(mm.deserialize("<dark_green>Item attributes: "));
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            player.sendMessage(mm.deserialize("<yellow>" + Attributes.get(c.getString("AttributeName")).mcName
-                    + ", " + c.getDouble("Amount")));
-        }
-    }
-}

v1_19_R1/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

v1_19_R1/build.gradle.kts

@@ -1,3 +0,0 @@
-dependencies {
-    paperweight.paperDevBundle("1.19.2-R0.1-SNAPSHOT")
-}

v1_19_R1/src/main/java/dev/plex/itemizerx/v1_19_R1/AttributeManager.java

@@ -1,161 +0,0 @@
-package dev.plex.itemizerx.v1_19_R1;
-
-import dev.plex.itemizerx.Attributes;
-import dev.plex.itemizerx.IAttributeManager;
-import net.kyori.adventure.text.minimessage.MiniMessage;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
-import net.minecraft.nbt.Tag;
-import net.minecraft.world.item.ItemStack;
-import org.apache.commons.lang3.StringUtils;
-import org.bukkit.craftbukkit.v1_19_R1.inventory.CraftItemStack;
-import org.bukkit.entity.Player;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-public class AttributeManager implements IAttributeManager
-{
-    private final MiniMessage mm = MiniMessage.miniMessage();
-
-    @Override
-    public ListTag getAttrList(final ItemStack item)
-    {
-        ListTag attrmod = item.getOrCreateTag().getList("AttributeModifiers", 10);
-        if (attrmod == null)
-        {
-            item.getTag().put("AttributeModifiers", new CompoundTag());
-        }
-        return item.getTag().getList("AttributeModifiers", 10);
-    }
-
-    @Override
-    public void addAttr(final Player player, final String[] args)
-    {
-        int op;
-        if (args.length < 4)
-        {
-            player.sendMessage(mm.deserialize("<aqua>/itemizer attr add <<white>name<aqua>> <<white>strength<aqua>>" +
-                    "[<white>slot<aqua>] <red>- <gold>Add an attribute"));
-            return;
-        }
-        final Attributes a = Attributes.get(args[2]);
-        if (a == null)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[2] + "\" is not a valid attribute type."));
-            return;
-        }
-        double amount;
-        try
-        {
-            amount = Double.parseDouble(args[3]);
-        }
-        catch (NumberFormatException ex)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[3] + "\" is not a valid number."));
-            return;
-        }
-        if (Double.isNaN(amount))
-        {
-            player.sendMessage(mm.deserialize("<dark_red>Please do not use <white>'NaN (Not a Number)'"));
-            return;
-        }
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (c.getString("Name").equals(args[2]))
-            {
-                player.sendMessage(mm.deserialize("<dark_red>An attribute with the name \"<white>" + args[2] + "<dark_red>\" already exists!"));
-                return;
-            }
-        }
-        final CompoundTag c = new CompoundTag();
-        c.putString("Name", args[2]);
-        c.putString("AttributeName", a.mcName);
-        c.putDouble("Amount", amount);
-        op = a.op;
-        c.putInt("Operation", op);
-        final Random random = new Random();
-        c.putIntArray("UUID", new int[]
-                {
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt()
-                });
-        if (args.length == 5)
-        {
-            final List<String> options = new ArrayList<>();
-            options.add("mainhand");
-            options.add("offhand");
-            options.add("head");
-            options.add("chest");
-            options.add("legs");
-            options.add("feet");
-            if (!options.contains(args[4].toLowerCase()))
-            {
-                player.sendMessage(mm.deserialize("<dark_green>Supported options:"));
-                player.sendMessage(mm.deserialize("<yellow>" + StringUtils.join(options, ", ")));
-                return;
-            }
-            c.putString("Slot", args[4].toLowerCase());
-        }
-        attrmod.add(c);
-        nms.getTag().put("AttributeModifiers", attrmod);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_aqua>Attribute added!"));
-    }
-
-    @Override
-    public void removeAttr(final Player player, final String string)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        final ListTag newList = new ListTag();
-        boolean r = false;
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (!c.getString("Name").equals(string))
-            {
-                newList.add(nbtBase);
-            }
-            else
-            {
-                r = true;
-            }
-        }
-        if (!r)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>The attribute \"" + string + "\" doesn't exist!"));
-            return;
-        }
-        nms.getTag().put("AttributeModifiers", newList);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_green>Attribute removed!"));
-    }
-
-    @Override
-    public void listAttr(final Player player)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        if (attrmod.size() == 0)
-        {
-            player.sendMessage(mm.deserialize("<yellow>This item has no attributes."));
-            return;
-        }
-        player.sendMessage(mm.deserialize("<dark_green>Item attributes: "));
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            player.sendMessage(mm.deserialize("<yellow>" + Attributes.get(c.getString("AttributeName")).mcName
-                    + ", " + c.getDouble("Amount")));
-        }
-    }
-}

v1_19_R2/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

v1_19_R2/build.gradle.kts

@@ -1,3 +0,0 @@
-dependencies {
-    paperweight.paperDevBundle("1.19.3-R0.1-SNAPSHOT")
-}

v1_19_R3/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

v1_19_R3/build.gradle.kts

@@ -1,3 +0,0 @@
-dependencies {
-    paperweight.paperDevBundle("1.19.4-R0.1-SNAPSHOT")
-}

v1_19_R3/src/main/java/dev/plex/itemizerx/v1_19_R3/AttributeManager.java

@@ -1,161 +0,0 @@
-package dev.plex.itemizerx.v1_19_R3;
-
-import dev.plex.itemizerx.Attributes;
-import dev.plex.itemizerx.IAttributeManager;
-import net.kyori.adventure.text.minimessage.MiniMessage;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
-import net.minecraft.nbt.Tag;
-import net.minecraft.world.item.ItemStack;
-import org.apache.commons.lang3.StringUtils;
-import org.bukkit.craftbukkit.v1_19_R3.inventory.CraftItemStack;
-import org.bukkit.entity.Player;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-public class AttributeManager implements IAttributeManager
-{
-    private final MiniMessage mm = MiniMessage.miniMessage();
-
-    @Override
-    public ListTag getAttrList(final ItemStack item)
-    {
-        ListTag attrmod = item.getOrCreateTag().getList("AttributeModifiers", 10);
-        if (attrmod == null)
-        {
-            item.getTag().put("AttributeModifiers", new CompoundTag());
-        }
-        return item.getTag().getList("AttributeModifiers", 10);
-    }
-
-    @Override
-    public void addAttr(final Player player, final String[] args)
-    {
-        int op;
-        if (args.length < 4)
-        {
-            player.sendMessage(mm.deserialize("<aqua>/itemizer attr add <<white>name<aqua>> <<white>strength<aqua>>" +
-                    "[<white>slot<aqua>] <red>- <gold>Add an attribute"));
-            return;
-        }
-        final Attributes a = Attributes.get(args[2]);
-        if (a == null)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[2] + "\" is not a valid attribute type."));
-            return;
-        }
-        double amount;
-        try
-        {
-            amount = Double.parseDouble(args[3]);
-        }
-        catch (NumberFormatException ex)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[3] + "\" is not a valid number."));
-            return;
-        }
-        if (Double.isNaN(amount))
-        {
-            player.sendMessage(mm.deserialize("<dark_red>Please do not use <white>'NaN (Not a Number)'"));
-            return;
-        }
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (c.getString("Name").equals(args[2]))
-            {
-                player.sendMessage(mm.deserialize("<dark_red>An attribute with the name \"<white>" + args[2] + "<dark_red>\" already exists!"));
-                return;
-            }
-        }
-        final CompoundTag c = new CompoundTag();
-        c.putString("Name", args[2]);
-        c.putString("AttributeName", a.mcName);
-        c.putDouble("Amount", amount);
-        op = a.op;
-        c.putInt("Operation", op);
-        final Random random = new Random();
-        c.putIntArray("UUID", new int[]
-                {
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt()
-                });
-        if (args.length == 5)
-        {
-            final List<String> options = new ArrayList<>();
-            options.add("mainhand");
-            options.add("offhand");
-            options.add("head");
-            options.add("chest");
-            options.add("legs");
-            options.add("feet");
-            if (!options.contains(args[4].toLowerCase()))
-            {
-                player.sendMessage(mm.deserialize("<dark_green>Supported options:"));
-                player.sendMessage(mm.deserialize("<yellow>" + StringUtils.join(options, ", ")));
-                return;
-            }
-            c.putString("Slot", args[4].toLowerCase());
-        }
-        attrmod.add(c);
-        nms.getTag().put("AttributeModifiers", attrmod);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_aqua>Attribute added!"));
-    }
-
-    @Override
-    public void removeAttr(final Player player, final String string)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        final ListTag newList = new ListTag();
-        boolean r = false;
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (!c.getString("Name").equals(string))
-            {
-                newList.add(nbtBase);
-            }
-            else
-            {
-                r = true;
-            }
-        }
-        if (!r)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>The attribute \"" + string + "\" doesn't exist!"));
-            return;
-        }
-        nms.getTag().put("AttributeModifiers", newList);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_green>Attribute removed!"));
-    }
-
-    @Override
-    public void listAttr(final Player player)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        if (attrmod.size() == 0)
-        {
-            player.sendMessage(mm.deserialize("<yellow>This item has no attributes."));
-            return;
-        }
-        player.sendMessage(mm.deserialize("<dark_green>Item attributes: "));
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            player.sendMessage(mm.deserialize("<yellow>" + Attributes.get(c.getString("AttributeName")).mcName
-                    + ", " + c.getDouble("Amount")));
-        }
-    }
-}

v1_20_R1/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

v1_20_R1/build.gradle.kts

@@ -1,3 +0,0 @@
-dependencies {
-    paperweight.paperDevBundle("1.20.1-R0.1-SNAPSHOT")
-}

v1_20_R1/src/main/java/dev/plex/itemizerx/v1_20_R1/AttributeManager.java

@@ -1,161 +0,0 @@
-package dev.plex.itemizerx.v1_20_R1;
-
-import dev.plex.itemizerx.Attributes;
-import dev.plex.itemizerx.IAttributeManager;
-import net.kyori.adventure.text.minimessage.MiniMessage;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
-import net.minecraft.nbt.Tag;
-import net.minecraft.world.item.ItemStack;
-import org.apache.commons.lang3.StringUtils;
-import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
-import org.bukkit.entity.Player;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-public class AttributeManager implements IAttributeManager
-{
-    private final MiniMessage mm = MiniMessage.miniMessage();
-
-    @Override
-    public ListTag getAttrList(final ItemStack item)
-    {
-        ListTag attrmod = item.getOrCreateTag().getList("AttributeModifiers", 10);
-        if (attrmod == null)
-        {
-            item.getTag().put("AttributeModifiers", new CompoundTag());
-        }
-        return item.getTag().getList("AttributeModifiers", 10);
-    }
-
-    @Override
-    public void addAttr(final Player player, final String[] args)
-    {
-        int op;
-        if (args.length < 4)
-        {
-            player.sendMessage(mm.deserialize("<aqua>/itemizer attr add <<white>name<aqua>> <<white>strength<aqua>>" +
-                    "[<white>slot<aqua>] <red>- <gold>Add an attribute"));
-            return;
-        }
-        final Attributes a = Attributes.get(args[2]);
-        if (a == null)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[2] + "\" is not a valid attribute type."));
-            return;
-        }
-        double amount;
-        try
-        {
-            amount = Double.parseDouble(args[3]);
-        }
-        catch (NumberFormatException ex)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>\"" + args[3] + "\" is not a valid number."));
-            return;
-        }
-        if (Double.isNaN(amount))
-        {
-            player.sendMessage(mm.deserialize("<dark_red>Please do not use <white>'NaN (Not a Number)'"));
-            return;
-        }
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (c.getString("Name").equals(args[2]))
-            {
-                player.sendMessage(mm.deserialize("<dark_red>An attribute with the name \"<white>" + args[2] + "<dark_red>\" already exists!"));
-                return;
-            }
-        }
-        final CompoundTag c = new CompoundTag();
-        c.putString("Name", args[2]);
-        c.putString("AttributeName", a.mcName);
-        c.putDouble("Amount", amount);
-        op = a.op;
-        c.putInt("Operation", op);
-        final Random random = new Random();
-        c.putIntArray("UUID", new int[]
-                {
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt(),
-                        random.nextInt()
-                });
-        if (args.length == 5)
-        {
-            final List<String> options = new ArrayList<>();
-            options.add("mainhand");
-            options.add("offhand");
-            options.add("head");
-            options.add("chest");
-            options.add("legs");
-            options.add("feet");
-            if (!options.contains(args[4].toLowerCase()))
-            {
-                player.sendMessage(mm.deserialize("<dark_green>Supported options:"));
-                player.sendMessage(mm.deserialize("<yellow>" + StringUtils.join(options, ", ")));
-                return;
-            }
-            c.putString("Slot", args[4].toLowerCase());
-        }
-        attrmod.add(c);
-        nms.getTag().put("AttributeModifiers", attrmod);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_aqua>Attribute added!"));
-    }
-
-    @Override
-    public void removeAttr(final Player player, final String string)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        final ListTag newList = new ListTag();
-        boolean r = false;
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            if (!c.getString("Name").equals(string))
-            {
-                newList.add(nbtBase);
-            }
-            else
-            {
-                r = true;
-            }
-        }
-        if (!r)
-        {
-            player.sendMessage(mm.deserialize("<dark_red>The attribute \"" + string + "\" doesn't exist!"));
-            return;
-        }
-        nms.getTag().put("AttributeModifiers", newList);
-        final org.bukkit.inventory.ItemStack is = CraftItemStack.asCraftMirror(nms);
-        player.getInventory().setItemInMainHand(is);
-        player.sendMessage(mm.deserialize("<dark_green>Attribute removed!"));
-    }
-
-    @Override
-    public void listAttr(final Player player)
-    {
-        final ItemStack nms = CraftItemStack.asNMSCopy(player.getInventory().getItemInMainHand());
-        final ListTag attrmod = getAttrList(nms);
-        if (attrmod.size() == 0)
-        {
-            player.sendMessage(mm.deserialize("<yellow>This item has no attributes."));
-            return;
-        }
-        player.sendMessage(mm.deserialize("<dark_green>Item attributes: "));
-        for (Tag nbtBase : attrmod)
-        {
-            final CompoundTag c = (CompoundTag) nbtBase;
-            player.sendMessage(mm.deserialize("<yellow>" + Attributes.get(c.getString("AttributeName")).mcName
-                    + ", " + c.getDouble("Amount")));
-        }
-    }
-}

v1_20_R4/build.gradle.kts

@@ -0,0 +1,3 @@
+dependencies {
+    paperweight.paperDevBundle("1.20.6-R0.1-SNAPSHOT")
+}

v1_20_R4/src/main/java/dev/plex/itemizerx/v1_20_R4/AttributeManager.java

@@ -1,4 +1,4 @@
-package dev.plex.itemizerx.v1_19_R2;
+/*package dev.plex.itemizerx.v1_20_R4;
 
 import dev.plex.itemizerx.Attributes;
 import dev.plex.itemizerx.IAttributeManager;
@@ -8,7 +8,7 @@ import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.world.item.ItemStack;
 import org.apache.commons.lang3.StringUtils;
-import org.bukkit.craftbukkit.v1_19_R2.inventory.CraftItemStack;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
@@ -25,7 +25,7 @@ public class AttributeManager implements IAttributeManager
         ListTag attrmod = item.getOrCreateTag().getList("AttributeModifiers", 10);
         if (attrmod == null)
         {
-            item.getTag().put("AttributeModifiers", new CompoundTag());
+            item.put("AttributeModifiers", new CompoundTag());
         }
         return item.getTag().getList("AttributeModifiers", 10);
     }
@@ -159,3 +159,4 @@ public class AttributeManager implements IAttributeManager
         }
     }
 }
+*/