Prepare for 1.20.6

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

@@ -0,0 +1,162 @@
+/*package dev.plex.itemizerx.v1_20_R4;
+
+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.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.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")));
+        }
+    }
+}
+*/