259 lines
16 KiB
Java
259 lines
16 KiB
Java
package com.pretzel.dev.villagertradelimiter.listeners;
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import com.pretzel.dev.villagertradelimiter.VillagerTradeLimiter;
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import com.pretzel.dev.villagertradelimiter.lib.Util;
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import com.pretzel.dev.villagertradelimiter.nms.*;
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import org.bukkit.Material;
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import org.bukkit.NamespacedKey;
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import org.bukkit.configuration.ConfigurationSection;
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import org.bukkit.enchantments.Enchantment;
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import org.bukkit.enchantments.EnchantmentWrapper;
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import org.bukkit.entity.Player;
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import org.bukkit.entity.Villager;
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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.player.PlayerInteractEntityEvent;
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import org.bukkit.inventory.meta.EnchantmentStorageMeta;
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import org.bukkit.potion.PotionEffect;
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import org.bukkit.potion.PotionEffectType;
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import java.util.Arrays;
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import java.util.List;
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public class PlayerListener implements Listener {
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private static final Material[] MATERIALS = new Material[] { Material.IRON_HELMET, Material.IRON_CHESTPLATE, Material.IRON_LEGGINGS, Material.IRON_BOOTS, Material.BELL, Material.CHAINMAIL_HELMET, Material.CHAINMAIL_CHESTPLATE, Material.CHAINMAIL_LEGGINGS, Material.CHAINMAIL_BOOTS, Material.SHIELD, Material.DIAMOND_HELMET, Material.DIAMOND_CHESTPLATE, Material.DIAMOND_LEGGINGS, Material.DIAMOND_BOOTS, Material.FILLED_MAP, Material.FISHING_ROD, Material.LEATHER_HELMET, Material.LEATHER_CHESTPLATE, Material.LEATHER_LEGGINGS, Material.LEATHER_BOOTS, Material.LEATHER_HORSE_ARMOR, Material.SADDLE, Material.ENCHANTED_BOOK, Material.STONE_AXE, Material.STONE_SHOVEL, Material.STONE_PICKAXE, Material.STONE_HOE, Material.IRON_AXE, Material.IRON_SHOVEL, Material.IRON_PICKAXE, Material.DIAMOND_AXE, Material.DIAMOND_SHOVEL, Material.DIAMOND_PICKAXE, Material.DIAMOND_HOE, Material.DIAMOND_SWORD};
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private static final Material[] MAX_USES_12 = new Material[]{Material.IRON_HELMET, Material.IRON_CHESTPLATE, Material.IRON_LEGGINGS, Material.IRON_BOOTS, Material.IRON_INGOT, Material.BELL, Material.CHAINMAIL_HELMET, Material.CHAINMAIL_CHESTPLATE, Material.CHAINMAIL_LEGGINGS, Material.CHAINMAIL_BOOTS, Material.LAVA_BUCKET, Material.DIAMOND, Material.SHIELD, Material.RABBIT_STEW, Material.DRIED_KELP_BLOCK, Material.SWEET_BERRIES, Material.MAP, Material.FILLED_MAP, Material.COMPASS, Material.ITEM_FRAME, Material.GLOBE_BANNER_PATTERN, Material.WHITE_BANNER, Material.LIGHT_GRAY_BANNER, Material.GRAY_BANNER, Material.BLACK_BANNER, Material.BROWN_BANNER, Material.ORANGE_BANNER, Material.YELLOW_BANNER, Material.LIME_BANNER, Material.GREEN_BANNER, Material.CYAN_BANNER, Material.BLUE_BANNER, Material.LIGHT_BLUE_BANNER, Material.PURPLE_BANNER, Material.MAGENTA_BANNER, Material.PINK_BANNER, Material.RED_BANNER, Material.WHITE_BED, Material.LIGHT_GRAY_BED, Material.GRAY_BED, Material.BLACK_BED, Material.BROWN_BED, Material.ORANGE_BED, Material.YELLOW_BED, Material.LIME_BED, Material.GREEN_BED, Material.CYAN_BED, Material.BLUE_BED, Material.LIGHT_BLUE_BED, Material.PURPLE_BED, Material.MAGENTA_BED, Material.PINK_BED, Material.RED_BED, Material.REDSTONE, Material.GOLD_INGOT, Material.LAPIS_LAZULI, Material.RABBIT_FOOT, Material.GLOWSTONE, Material.SCUTE, Material.GLASS_BOTTLE, Material.ENDER_PEARL, Material.NETHER_WART, Material.EXPERIENCE_BOTTLE, Material.PUMPKIN, Material.PUMPKIN_PIE, Material.MELON, Material.COOKIE, Material.CAKE, Material.SUSPICIOUS_STEW, Material.GOLDEN_CARROT, Material.GLISTERING_MELON_SLICE, Material.CAMPFIRE, Material.TROPICAL_FISH, Material.PUFFERFISH, Material.BIRCH_BOAT, Material.ACACIA_BOAT, Material.OAK_BOAT, Material.DARK_OAK_BOAT, Material.SPRUCE_BOAT, Material.JUNGLE_BOAT, Material.ARROW, Material.FLINT, Material.STRING, Material.TRIPWIRE_HOOK, Material.TIPPED_ARROW, Material.LEATHER_HELMET, Material.LEATHER_CHESTPLATE, Material.LEATHER_LEGGINGS, Material.LEATHER_BOOTS, Material.LEATHER, Material.RABBIT_HIDE, Material.LEATHER_HORSE_ARMOR, Material.SADDLE, Material.BOOK, Material.ENCHANTED_BOOK, Material.BOOKSHELF, Material.INK_SAC, Material.GLASS, Material.WRITABLE_BOOK, Material.CLOCK, Material.NAME_TAG, Material.QUARTZ, Material.QUARTZ_PILLAR, Material.QUARTZ_BLOCK, Material.TERRACOTTA, Material.WHITE_TERRACOTTA, Material.LIGHT_GRAY_TERRACOTTA, Material.GRAY_TERRACOTTA, Material.BLACK_TERRACOTTA, Material.BROWN_TERRACOTTA, Material.ORANGE_TERRACOTTA, Material.YELLOW_TERRACOTTA, Material.LIME_TERRACOTTA, Material.GREEN_TERRACOTTA, Material.CYAN_TERRACOTTA, Material.BLUE_TERRACOTTA, Material.LIGHT_BLUE_TERRACOTTA, Material.PURPLE_TERRACOTTA, Material.MAGENTA_TERRACOTTA, Material.PINK_TERRACOTTA, Material.RED_TERRACOTTA, Material.WHITE_GLAZED_TERRACOTTA, Material.LIGHT_GRAY_GLAZED_TERRACOTTA, Material.GRAY_GLAZED_TERRACOTTA, Material.BLACK_GLAZED_TERRACOTTA, Material.BROWN_GLAZED_TERRACOTTA, Material.ORANGE_GLAZED_TERRACOTTA, Material.YELLOW_GLAZED_TERRACOTTA, Material.LIME_GLAZED_TERRACOTTA, Material.GREEN_GLAZED_TERRACOTTA, Material.CYAN_GLAZED_TERRACOTTA, Material.BLUE_GLAZED_TERRACOTTA, Material.LIGHT_BLUE_GLAZED_TERRACOTTA, Material.PURPLE_GLAZED_TERRACOTTA, Material.MAGENTA_GLAZED_TERRACOTTA, Material.PINK_GLAZED_TERRACOTTA, Material.RED_GLAZED_TERRACOTTA, Material.SHEARS, Material.PAINTING, Material.STONE_AXE, Material.STONE_SHOVEL, Material.STONE_PICKAXE, Material.STONE_HOE};
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private static final Material[] MAX_USES_3 = new Material[]{Material.DIAMOND_HELMET, Material.DIAMOND_CHESTPLATE, Material.DIAMOND_LEGGINGS, Material.DIAMOND_BOOTS, Material.DIAMOND_SWORD, Material.DIAMOND_AXE, Material.DIAMOND_SHOVEL, Material.DIAMOND_PICKAXE, Material.DIAMOND_HOE, Material.IRON_SWORD, Material.IRON_AXE, Material.IRON_SHOVEL, Material.IRON_PICKAXE, Material.FISHING_ROD, Material.BOW, Material.CROSSBOW};
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private final VillagerTradeLimiter instance;
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public PlayerListener(VillagerTradeLimiter instance) {
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this.instance = instance;
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}
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//Handles villager trading event
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@EventHandler
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public void onPlayerInteract(PlayerInteractEntityEvent event) {
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if(!(event.getRightClicked() instanceof Villager)) return;
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final Villager villager = (Villager)event.getRightClicked();
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if(Util.isNPC(villager)) return; //Skips NPCs
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if(villager.getProfession() == Villager.Profession.NONE || villager.getProfession() == Villager.Profession.NITWIT) return; //Skips non-trading villagers
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if(villager.getRecipeCount() == 0) return; //Skips non-trading villagers
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//DisableTrading feature
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if(instance.getCfg().isBoolean("DisableTrading")) {
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if(instance.getCfg().getBoolean("DisableTrading", false)) {
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event.setCancelled(true);
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return;
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}
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} else {
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List<String> disabledWorlds = instance.getCfg().getStringList("DisableTrading");
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for(String world : disabledWorlds) {
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if(event.getPlayer().getWorld().getName().equals(world)) {
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event.setCancelled(true);
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return;
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}
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}
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}
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final Player player = event.getPlayer();
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if(Util.isNPC(player)) return; //Skips NPCs
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this.hotv(player);
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this.maxDiscount(villager, player);
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this.maxDemand(villager);
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}
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//Hero of the Village effect limiter feature
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private void hotv(final Player player) {
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final PotionEffectType effect = PotionEffectType.HERO_OF_THE_VILLAGE;
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if(!player.hasPotionEffect(effect)) return; //Skips when player doesn't have HotV
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final int maxHeroLevel = instance.getCfg().getInt("MaxHeroLevel", 1);
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if(maxHeroLevel == 0) player.removePotionEffect(effect);
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if(maxHeroLevel <= 0) return; //Skips when disabled in config.yml
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final PotionEffect pot = player.getPotionEffect(effect);
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if(pot == null) return;
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if(pot.getAmplifier() > maxHeroLevel-1) {
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player.removePotionEffect(effect);
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player.addPotionEffect(new PotionEffect(effect, pot.getDuration(), maxHeroLevel-1));
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}
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}
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//Sets an ingredient for a trade
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private void setIngredient(ConfigurationSection item, NBTCompound recipe, String nbtKey, String itemKey) {
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if(!item.contains(itemKey) || recipe.getCompound(nbtKey).getString("id").equals("minecraft:air")) return;
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if(item.contains(itemKey+".Material")) {
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recipe.getCompound(nbtKey).setString("id", "minecraft:" + item.getString(itemKey+".Material"));
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}
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if(item.contains(itemKey+".Amount")) {
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int cost = item.getInt(itemKey+".Amount");
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cost = Math.min(cost, 64);
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cost = Math.max(cost, 1);
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recipe.getCompound(nbtKey).setInteger("Count", cost);
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}
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}
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//MaxDiscount feature - limits the lowest discounted price to a % of the base price
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private void maxDiscount(final Villager villager, final Player player) {
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int majorPositiveValue = 0, minorPositiveValue = 0, tradingValue = 0, minorNegativeValue = 0, majorNegativeValue = 0;
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NBTEntity nbtEntity = new NBTEntity(villager);
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final NBTEntity playerNBT = new NBTEntity(player);
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final String playerUUID = Util.intArrayToString(playerNBT.getIntArray("UUID"));
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if(nbtEntity.hasKey("Gossips")) {
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NBTCompoundList gossips = nbtEntity.getCompoundList("Gossips");
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for(NBTCompound gossip : gossips) {
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final String type = gossip.getString("Type");
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final String targetUUID = Util.intArrayToString(gossip.getIntArray("Target"));
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final int value = gossip.getInteger("Value");
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if(targetUUID.equals(playerUUID)) {
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switch (type) {
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case "trading": tradingValue = value; break;
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case "minor_positive": minorPositiveValue = value; break;
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case "minor_negative": minorNegativeValue = value; break;
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case "major_positive": majorPositiveValue = value; break;
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case "major_negative": majorNegativeValue = value; break;
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default: break;
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}
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}
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}
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}
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final ConfigurationSection overrides = instance.getCfg().getConfigurationSection("Overrides");
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final NBTEntity villagerNBT = new NBTEntity(villager);
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NBTCompoundList recipes = villagerNBT.getCompound("Offers").getCompoundList("Recipes");
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for(final NBTCompound recipe : recipes) {
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final int ingredientAmount = recipe.getCompound("buy").getInteger("Count");
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final float priceMultiplier = this.getPriceMultiplier(recipe);
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final int valueModifier = 5 * majorPositiveValue + minorPositiveValue + tradingValue - minorNegativeValue - 5 * majorNegativeValue;
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final float finalValue = ingredientAmount - priceMultiplier * valueModifier;
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boolean disabled = false;
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double maxDiscount = instance.getCfg().getDouble("MaxDiscount", 0.3);
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int maxUses = instance.getCfg().getInt("MaxUses", -1);
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if (overrides != null) {
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for (final String override : overrides.getKeys(false)) {
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final ConfigurationSection item = this.getItem(recipe, override);
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if (item != null) {
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//Set whether trade is disabled and max discount
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disabled = item.getBoolean("Disabled", false);
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maxDiscount = item.getDouble("MaxDiscount", maxDiscount);
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maxUses = item.getInt("MaxUses", maxUses);
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//Set 1st and 2nd ingredients
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setIngredient(item, recipe, "buy", "Item1");
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setIngredient(item, recipe, "buyB", "Item2");
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break;
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}
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}
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}
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//Set max uses
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if(maxUses >= 0) {
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recipe.setInteger("maxUses", maxUses);
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} else {
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if(disabled) recipe.setInteger("maxUses", 0);
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else {
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int uses = 16;
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Material buyMaterial = recipe.getItemStack("buy").getType();
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Material sellMaterial = recipe.getItemStack("sell").getType();
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if (Arrays.asList(MAX_USES_12).contains(buyMaterial) || Arrays.asList(MAX_USES_12).contains(sellMaterial)) {
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uses = 12;
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} else if (Arrays.asList(MAX_USES_3).contains(buyMaterial) || Arrays.asList(MAX_USES_3).contains(sellMaterial)) {
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uses = 3;
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}
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recipe.setInteger("maxUses", uses);
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}
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}
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//Set max discount
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if (maxDiscount >= 0.0 && maxDiscount <= 1.0) {
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if (finalValue < ingredientAmount * (1.0 - maxDiscount) && finalValue != ingredientAmount) {
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recipe.setFloat("priceMultiplier", ingredientAmount * (float) maxDiscount / valueModifier);
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} else {
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recipe.setFloat("priceMultiplier", priceMultiplier);
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}
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} else {
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recipe.setFloat("priceMultiplier", priceMultiplier);
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}
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}
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}
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//MaxDemand feature - limits demand-based price increases
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private void maxDemand(final Villager villager) {
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final NBTEntity villagerNBT = new NBTEntity(villager);
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final ConfigurationSection overrides = instance.getCfg().getConfigurationSection("Overrides");
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if (villagerNBT.hasKey("Offers")) {
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NBTCompoundList recipes = villagerNBT.getCompound("Offers").getCompoundList("Recipes");
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for (NBTCompound recipe : recipes) {
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final int demand = recipe.getInteger("demand");
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int maxDemand = instance.getCfg().getInt("MaxDemand", -1);
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if (overrides != null) {
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for (String override : overrides.getKeys(false)) {
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final ConfigurationSection item = this.getItem(recipe, override);
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if(item != null) {
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maxDemand = item.getInt("MaxDemand", maxDemand);
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break;
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}
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}
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}
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if(maxDemand >= 0 && demand > maxDemand) {
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recipe.setInteger("demand", maxDemand);
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}
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}
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}
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}
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//Returns the price multiplier for a given trade
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private float getPriceMultiplier(final NBTCompound recipe) {
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float p = 0.05f;
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final Material type = recipe.getItemStack("sell").getType();
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for(int length = MATERIALS.length, i = 0; i < length; ++i) {
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if(type == MATERIALS[i]) {
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p = 0.2f;
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break;
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}
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}
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return p;
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}
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//Returns the configured settings for a trade
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private ConfigurationSection getItem(final NBTCompound recipe, final String k) {
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final ConfigurationSection item = instance.getCfg().getConfigurationSection("Overrides."+k);
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if(item == null) return null;
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if(!k.contains("_")) {
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//Return the item if the item name is valid
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if(this.verify(recipe, Material.matchMaterial(k))) return item;
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return null;
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}
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final String[] words = k.split("_");
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try {
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//Return the enchanted book item if there's a number in the item name
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final int level = Integer.parseInt(words[words.length-1]);
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if(recipe.getItemStack("sell").getType() == Material.ENCHANTED_BOOK) {
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final EnchantmentStorageMeta meta = (EnchantmentStorageMeta) recipe.getItemStack("sell").getItemMeta();
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final Enchantment enchantment = EnchantmentWrapper.getByKey(NamespacedKey.minecraft(k.substring(0, k.lastIndexOf("_"))));
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if (meta == null || enchantment == null) return null;
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if (meta.hasStoredEnchant(enchantment) && meta.getStoredEnchantLevel(enchantment) == level) return item;
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}
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} catch(NumberFormatException e) {
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//Return the item if the item name is valid
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if(this.verify(recipe, Material.matchMaterial(k)))
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return item;
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return null;
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} catch(Exception e2) {
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//Send an error message
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Util.errorMsg(e2);
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}
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return null;
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}
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//Verifies that an item exists in the villager's trade
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private boolean verify(final NBTCompound recipe, final Material material) {
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return ((recipe.getItemStack("sell").getType() == material) || (recipe.getItemStack("buy").getType() == material));
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}
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}
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