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13
src/main/java/com/kasetoatz/superArmor/Multiplier.java
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13
src/main/java/com/kasetoatz/superArmor/Multiplier.java
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package com.kasetoatz.superArmor;
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public class Multiplier
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{
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public int item;
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public int book;
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public Multiplier(int item, int book)
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{
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this.item = item;
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this.book = book;
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}
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}
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193
src/main/java/com/kasetoatz/superArmor/SuperArmor.java
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193
src/main/java/com/kasetoatz/superArmor/SuperArmor.java
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package com.kasetoatz.superArmor;
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import org.bukkit.Material;
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import org.bukkit.enchantments.Enchantment;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.Listener;
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import org.bukkit.event.inventory.PrepareAnvilEvent;
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import org.bukkit.inventory.AnvilInventory;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.inventory.meta.Damageable;
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import org.bukkit.inventory.meta.EnchantmentStorageMeta;
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import org.bukkit.inventory.meta.ItemMeta;
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import org.bukkit.inventory.meta.Repairable;
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import org.bukkit.inventory.view.AnvilView;
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import org.bukkit.plugin.java.JavaPlugin;
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import java.util.Map;
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import java.util.concurrent.atomic.AtomicInteger;
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public final class SuperArmor extends JavaPlugin implements Listener {
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private final Map<Enchantment, Multiplier> multipliers = Map.ofEntries(
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Map.entry(Enchantment.MENDING, new Multiplier(4, 2)),
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Map.entry(Enchantment.UNBREAKING, new Multiplier(2, 1)),
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Map.entry(Enchantment.THORNS, new Multiplier(8, 4)),
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Map.entry(Enchantment.RESPIRATION, new Multiplier(4, 2)),
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Map.entry(Enchantment.AQUA_AFFINITY, new Multiplier(4, 2)),
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Map.entry(Enchantment.SWIFT_SNEAK, new Multiplier(8, 4)),
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Map.entry(Enchantment.FEATHER_FALLING, new Multiplier(2, 1)),
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Map.entry(Enchantment.SOUL_SPEED, new Multiplier(8, 4)),
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Map.entry(Enchantment.PROTECTION, new Multiplier(1, 1)),
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Map.entry(Enchantment.PROJECTILE_PROTECTION, new Multiplier(2, 1)),
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Map.entry(Enchantment.FIRE_PROTECTION, new Multiplier(2, 1)),
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Map.entry(Enchantment.BLAST_PROTECTION, new Multiplier(4, 2)),
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Map.entry(Enchantment.DEPTH_STRIDER, new Multiplier(4, 2)),
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Map.entry(Enchantment.FROST_WALKER, new Multiplier(4, 2))
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);
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@Override
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public void onEnable()
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{
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getServer().getPluginManager().registerEvents(this, this);
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}
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private Map<Enchantment, Integer> getEnchants(ItemStack item)
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{
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if (item.getItemMeta() instanceof EnchantmentStorageMeta meta)
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{
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return meta.getStoredEnchants();
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}
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return item.getEnchantments();
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}
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private int getPenalty(ItemStack item)
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{
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if (item.getItemMeta() instanceof Repairable meta)
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{
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return (int)Math.pow(2, meta.getRepairCost()) - 1;
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}
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return 0;
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}
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private boolean isProtection(Enchantment enchant)
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{
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return enchant == Enchantment.PROTECTION || enchant == Enchantment.PROJECTILE_PROTECTION || enchant == Enchantment.FIRE_PROTECTION || enchant == Enchantment.BLAST_PROTECTION;
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}
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private boolean isArmor(ItemStack item)
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{
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return switch (item.getType()) {
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case LEATHER_HELMET, LEATHER_CHESTPLATE, LEATHER_LEGGINGS, LEATHER_BOOTS, CHAINMAIL_HELMET,
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CHAINMAIL_CHESTPLATE, CHAINMAIL_LEGGINGS, CHAINMAIL_BOOTS, IRON_HELMET, IRON_CHESTPLATE, IRON_LEGGINGS,
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IRON_BOOTS, GOLDEN_HELMET, GOLDEN_CHESTPLATE, GOLDEN_LEGGINGS, GOLDEN_BOOTS, DIAMOND_HELMET,
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DIAMOND_CHESTPLATE, DIAMOND_LEGGINGS, DIAMOND_BOOTS, NETHERITE_HELMET, NETHERITE_CHESTPLATE,
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NETHERITE_LEGGINGS, NETHERITE_BOOTS, TURTLE_HELMET -> true;
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default -> false;
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};
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}
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private int calculateCost(ItemStack target, ItemStack sacrifice, boolean renamed, boolean repair)
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{
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AtomicInteger cost = new AtomicInteger();
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getEnchants(sacrifice).forEach((enchant, level) -> {
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if (!isValidEnchant(target, enchant))
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{
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return;
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}
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boolean conflict = getEnchants(target).keySet().stream().anyMatch(e -> !(isProtection(enchant) && isProtection(e)) && enchant.conflictsWith(e));
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if (conflict)
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{
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cost.getAndIncrement();
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}
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else
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{
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int multiplier = multipliers.get(enchant).item;
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if (sacrifice.getType() == Material.ENCHANTED_BOOK)
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{
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multiplier = multipliers.get(enchant).book;
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}
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int targetLevel = getEnchants(target).getOrDefault(enchant, 0);
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if (targetLevel == level)
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{
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cost.getAndAdd(multiplier * Math.min(level + 1, enchant.getMaxLevel()));
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}
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else
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{
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cost.getAndAdd(multiplier * Math.max(level, targetLevel));
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}
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}
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});
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cost.getAndAdd(getPenalty(target) + getPenalty(sacrifice));
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if (repair)
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{
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cost.getAndAdd(2);
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}
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if (renamed)
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{
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cost.getAndIncrement();
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}
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return cost.get();
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}
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private boolean isValidEnchant(ItemStack item, Enchantment enchant)
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{
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return enchant.canEnchantItem(new ItemStack(item.getType())) || item.getType() == Material.ENCHANTED_BOOK;
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}
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@EventHandler
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public void onAnvilPrepare(PrepareAnvilEvent event)
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{
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AnvilInventory inv = event.getInventory();
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ItemStack left = inv.getItem(0);
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ItemStack right = inv.getItem(1);
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if (left == null || right == null)
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{
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return;
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}
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if (getEnchants(left).keySet().stream().anyMatch(this::isProtection) || getEnchants(right).keySet().stream().anyMatch(this::isProtection))
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{
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ItemStack result = left.clone();
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boolean repair = false;
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getEnchants(right).forEach((enchant, level) -> {
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if (isProtection(enchant))
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{
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if (result.getItemMeta() instanceof EnchantmentStorageMeta meta)
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{
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meta.addStoredEnchant(enchant, level, true);
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result.setItemMeta(meta);
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}
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else
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{
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result.addUnsafeEnchantment(enchant, level);
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}
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}
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});
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if (isArmor(right))
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{
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if (left.getType() != right.getType())
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{
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return;
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}
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int maxDamage = result.getType().getMaxDurability();
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Damageable leftMeta = (Damageable)left.getItemMeta();
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Damageable rightMeta = (Damageable)right.getItemMeta();
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Damageable resultMeta = (Damageable)result.getItemMeta();
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if (leftMeta == null || rightMeta == null || resultMeta == null)
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{
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return;
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}
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int leftDurability = maxDamage - leftMeta.getDamage();
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int rightDurability = maxDamage - rightMeta.getDamage();
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int durability = Math.min(leftDurability + rightDurability, maxDamage);
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int damage = maxDamage - durability;
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repair = resultMeta.getDamage() != damage;
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resultMeta.setDamage(damage);
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result.setItemMeta(resultMeta);
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}
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ItemMeta meta = result.getItemMeta();
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if (meta == null)
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{
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return;
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}
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AnvilView view = event.getView();
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String renameText = view.getRenameText();
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boolean renamed = !meta.getDisplayName().equals(renameText);
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meta.setDisplayName(renameText);
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result.setItemMeta(meta);
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view.setRepairCost(calculateCost(left, right, renamed, repair));
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event.setResult(result);
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}
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}
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}
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4
src/main/resources/plugin.yml
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4
src/main/resources/plugin.yml
Normal file
@@ -0,0 +1,4 @@
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name: SuperArmor
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version: '1.0'
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main: com.kasetoatz.superArmor.SuperArmor
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api-version: '1.21'
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