From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: granny <contact@granny.dev>
Date: Thu, 3 Oct 2024 18:33:14 -0700
Subject: [PATCH] ItemStack convenience methods


diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index bfddaa146c1bcb6a3fdd43773ec06f91a259b200..53929a8827e2cf93cff70aaa08b2646505052aed 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -660,4 +660,285 @@ public final class CraftItemStack extends ItemStack {
     }
 
     // Paper end - data component API
+
+    // Purpur start
+    @Override
+    public String getDisplayName() {
+        return getItemMeta().getDisplayName();
+    }
+
+    @Override
+    public void setDisplayName(String name) {
+        ItemMeta itemMeta = getItemMeta();
+        itemMeta.setDisplayName(name);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public boolean hasDisplayName() {
+        return hasItemMeta() && getItemMeta().hasDisplayName();
+    }
+
+    @Override
+    public String getLocalizedName() {
+        return getItemMeta().getLocalizedName();
+    }
+
+    @Override
+    public void setLocalizedName(String name) {
+        ItemMeta itemMeta = getItemMeta();
+        itemMeta.setLocalizedName(name);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public boolean hasLocalizedName() {
+        return hasItemMeta() && getItemMeta().hasLocalizedName();
+    }
+
+    @Override
+    public boolean hasLore() {
+        return hasItemMeta() && getItemMeta().hasLore();
+    }
+
+    @Override
+    public boolean hasEnchant(Enchantment ench) {
+        return hasItemMeta() && getItemMeta().hasEnchant(ench);
+    }
+
+    @Override
+    public int getEnchantLevel(Enchantment ench) {
+        return getItemMeta().getEnchantLevel(ench);
+    }
+
+    @Override
+    public Map<Enchantment, Integer> getEnchants() {
+        return getItemMeta().getEnchants();
+    }
+
+    @Override
+    public boolean addEnchant(Enchantment ench, int level, boolean ignoreLevelRestriction) {
+        ItemMeta itemMeta = getItemMeta();
+        boolean result = itemMeta.addEnchant(ench, level, ignoreLevelRestriction);
+        setItemMeta(itemMeta);
+        return result;
+    }
+
+    @Override
+    public boolean removeEnchant(Enchantment ench) {
+        ItemMeta itemMeta = getItemMeta();
+        boolean result = itemMeta.removeEnchant(ench);
+        setItemMeta(itemMeta);
+        return result;
+    }
+
+    @Override
+    public boolean hasEnchants() {
+        return hasItemMeta() && getItemMeta().hasEnchants();
+    }
+
+    @Override
+    public boolean hasConflictingEnchant(Enchantment ench) {
+        return hasItemMeta() && getItemMeta().hasConflictingEnchant(ench);
+    }
+
+    @Override
+    public void setCustomModelData(Integer data) {
+        ItemMeta itemMeta = getItemMeta();
+        itemMeta.setCustomModelData(data);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public int getCustomModelData() {
+        return getItemMeta().getCustomModelData();
+    }
+
+    @Override
+    public boolean hasCustomModelData() {
+        return hasItemMeta() && getItemMeta().hasCustomModelData();
+    }
+
+    @Override
+    public boolean hasBlockData() {
+        return hasItemMeta() && ((org.bukkit.inventory.meta.BlockDataMeta) getItemMeta()).hasBlockData();
+    }
+
+    @Override
+    public org.bukkit.block.data.BlockData getBlockData(Material material) {
+        return ((org.bukkit.inventory.meta.BlockDataMeta) getItemMeta()).getBlockData(material);
+    }
+
+    @Override
+    public void setBlockData(org.bukkit.block.data.BlockData blockData) {
+        ItemMeta itemMeta = getItemMeta();
+        ((org.bukkit.inventory.meta.BlockDataMeta) itemMeta).setBlockData(blockData);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public int getRepairCost() {
+        return ((org.bukkit.inventory.meta.Repairable) getItemMeta()).getRepairCost();
+    }
+
+    @Override
+    public void setRepairCost(int cost) {
+        ItemMeta itemMeta = getItemMeta();
+        ((org.bukkit.inventory.meta.Repairable) itemMeta).setRepairCost(cost);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public boolean hasRepairCost() {
+        return hasItemMeta() && ((org.bukkit.inventory.meta.Repairable) getItemMeta()).hasRepairCost();
+    }
+
+    @Override
+    public boolean isUnbreakable() {
+        return hasItemMeta() && getItemMeta().isUnbreakable();
+    }
+
+    @Override
+    public void setUnbreakable(boolean unbreakable) {
+        ItemMeta itemMeta = getItemMeta();
+        itemMeta.setUnbreakable(unbreakable);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public boolean hasAttributeModifiers() {
+        return hasItemMeta() && getItemMeta().hasAttributeModifiers();
+    }
+
+    @Override
+    public com.google.common.collect.Multimap<org.bukkit.attribute.Attribute, org.bukkit.attribute.AttributeModifier> getAttributeModifiers() {
+        return getItemMeta().getAttributeModifiers();
+    }
+
+    @Override
+    public com.google.common.collect.Multimap<org.bukkit.attribute.Attribute, org.bukkit.attribute.AttributeModifier> getAttributeModifiers(org.bukkit.inventory.EquipmentSlot slot) {
+        return getItemMeta().getAttributeModifiers(slot);
+    }
+
+    @Override
+    public java.util.Collection<org.bukkit.attribute.AttributeModifier> getAttributeModifiers(org.bukkit.attribute.Attribute attribute) {
+        return getItemMeta().getAttributeModifiers(attribute);
+    }
+
+    @Override
+    public boolean addAttributeModifier(org.bukkit.attribute.Attribute attribute, org.bukkit.attribute.AttributeModifier modifier) {
+        ItemMeta itemMeta = getItemMeta();
+        boolean result = itemMeta.addAttributeModifier(attribute, modifier);
+        setItemMeta(itemMeta);
+        return result;
+    }
+
+    @Override
+    public void setAttributeModifiers(com.google.common.collect.Multimap<org.bukkit.attribute.Attribute, org.bukkit.attribute.AttributeModifier> attributeModifiers) {
+        ItemMeta itemMeta = getItemMeta();
+        itemMeta.setAttributeModifiers(attributeModifiers);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public boolean removeAttributeModifier(org.bukkit.attribute.Attribute attribute) {
+        ItemMeta itemMeta = getItemMeta();
+        boolean result = itemMeta.removeAttributeModifier(attribute);
+        setItemMeta(itemMeta);
+        return result;
+    }
+
+    @Override
+    public boolean removeAttributeModifier(org.bukkit.inventory.EquipmentSlot slot) {
+        ItemMeta itemMeta = getItemMeta();
+        boolean result = itemMeta.removeAttributeModifier(slot);
+        setItemMeta(itemMeta);
+        return result;
+    }
+
+    @Override
+    public boolean removeAttributeModifier(org.bukkit.attribute.Attribute attribute, org.bukkit.attribute.AttributeModifier modifier) {
+        ItemMeta itemMeta = getItemMeta();
+        boolean result = itemMeta.removeAttributeModifier(attribute, modifier);
+        setItemMeta(itemMeta);
+        return result;
+    }
+
+    @Override
+    public boolean hasDamage() {
+        return hasItemMeta() && ((org.bukkit.inventory.meta.Damageable) getItemMeta()).hasDamage();
+    }
+
+    @Override
+    public int getDamage() {
+        return ((org.bukkit.inventory.meta.Damageable) getItemMeta()).getDamage();
+    }
+
+    @Override
+    public void setDamage(int damage) {
+        ItemMeta itemMeta = getItemMeta();
+        ((org.bukkit.inventory.meta.Damageable) itemMeta).setDamage(damage);
+        setItemMeta(itemMeta);
+    }
+
+    @Override
+    public void repair() {
+        repair(1);
+    }
+
+    @Override
+    public boolean damage() {
+        return damage(1);
+    }
+
+    @Override
+    public void repair(int amount) {
+        damage(-amount);
+    }
+
+    @Override
+    public boolean damage(int amount) {
+        return damage(amount, false);
+    }
+
+    @Override
+    public boolean damage(int amount, boolean ignoreUnbreaking) {
+        org.bukkit.inventory.meta.Damageable damageable = (org.bukkit.inventory.meta.Damageable) getItemMeta();
+        if (amount > 0) {
+            int unbreaking = getEnchantLevel(Enchantment.UNBREAKING);
+            int reduce = 0;
+            for (int i = 0; unbreaking > 0 && i < amount; ++i) {
+                if (reduceDamage(java.util.concurrent.ThreadLocalRandom.current(), unbreaking)) {
+                    ++reduce;
+                }
+            }
+            amount -= reduce;
+            if (amount <= 0) {
+                return isBroke(damageable.getDamage());
+            }
+        }
+        int damage = damageable.getDamage() + amount;
+        damageable.setDamage(damage);
+        setItemMeta((ItemMeta) damageable);
+        return isBroke(damage);
+    }
+
+    private boolean isBroke(int damage) {
+        if (damage > getType().getMaxDurability()) {
+            if (getAmount() > 0) {
+                // ensure it "breaks"
+                setAmount(0);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    private boolean reduceDamage(java.util.Random random, int unbreaking) {
+        if (getType().isArmor()) {
+            return random.nextFloat() < 0.6F;
+        }
+        return random.nextInt(unbreaking + 1) > 0;
+    }
+    // Purpur end
 }