Version 1.3.0:

* Added per-world disabled trading
* Added per-item disabled trading

README.md

@@ -63,7 +63,13 @@
             </tr>
             <tr>
                 <td><code>DisableTrading:</code></td>
-                <td>Set this to true if you want to completely disable ALL villager trading.</td>
+                <td>Whether to disable all villager trading for all worlds, some worlds, or no worlds. Options:
+                    <ul>
+                        <li>Add world names for worlds that you want to completely disable ALL villager trading.</li>
+                        <li>Set to true to disable trading in all worlds.</li>
+                        <li>Set to false or [] to disable this feature.</li>
+                    </ul>
+                </td>
             </tr>
             <tr>
                 <td><code>MaxHeroLevel:</code></td>
@@ -106,13 +112,17 @@
                 <td><code>&lt;item_name&gt;:</code></td>
                 <td>Override the global settings by adding as many of these as you need. Enchanted books must follow the format of <code>name_level</code> (mending_1). All other items must follow the format of <code>item_name</code> (stone_bricks).</td>
             </tr>
+            <tr>
+                <td><code>.Disabled:</code></td>
+                <td>Disables any trade that contains the item (true/false)</td>
+            </tr>
             <tr>
                 <td><code>.MaxDiscount:</code></td>
-                <td>Sets the maximum discount for this item</td>
+                <td>Sets the maximum discount for this item (-1.0, or between 0.0 to 1.0)</td>
             </tr>
             <tr>
                 <td><code>.MaxDemand:</code></td>
-                <td>Sets the maximum demand for this item</td>
+                <td>Sets the maximum demand for this item (-1, or 0+)</td>
             </tr>
         </table>
     </li>

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.pretzel.dev</groupId>
     <artifactId>VillagerTradeLimiter</artifactId>
-    <version>1.2.1</version>
+    <version>1.3.0</version>
 
     <properties>
         <java.version>1.8</java.version>

src/com/pretzel/dev/villagertradelimiter/VillagerTradeLimiter.java

@@ -54,10 +54,10 @@ public class VillagerTradeLimiter extends JavaPlugin {
     //Registers plugin commands
     private void registerCommands() {
         final String reloaded = Util.replaceColors("&eVillagerTradeLimiter &ahas been reloaded!");
-        final CommandBase vtl = new CommandBase("villagertradelimiter", "villagertradelimiter.use", p -> this.help(p));
+        final CommandBase vtl = new CommandBase("villagertradelimiter", "villagertradelimiter.use", (p,args) -> this.help(p));
-        vtl.addSub(new CommandBase("reload", "villagertradelimiter.reload", p -> {
+        vtl.addSub(new CommandBase("reload", "villagertradelimiter.reload", (p,args) -> {
             loadSettings();
-            if(p != null) p.sendMessage(reloaded);
+            Util.sendMsg(reloaded, p);
         }));
         this.getCommand("villagertradelimiter").setExecutor(vtl);
         this.getCommand("villagertradelimiter").setTabCompleter(vtl);

src/com/pretzel/dev/villagertradelimiter/lib/Callback.java

@@ -1,5 +1,5 @@
 package com.pretzel.dev.villagertradelimiter.lib;
 
 public interface Callback<T> {
-    void call(T result);
+    void call(T result, String[] args);
 }

src/com/pretzel/dev/villagertradelimiter/lib/CommandBase.java

@@ -1,5 +1,6 @@
 package com.pretzel.dev.villagertradelimiter.lib;
 
+import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
@@ -32,8 +33,8 @@ public class CommandBase implements CommandExecutor, TabCompleter {
         final Player player = (sender instanceof Player ? (Player)sender : null);
         if(player != null && !player.hasPermission(this.permission) && !this.permission.isEmpty()) return false;
 
-        if(args.length == 0) {
+        if(args.length == 0 || (args.length == 1 && subs.size() == 0)) {
-            this.callback.call(player);
+            this.callback.call(player, args);
             return true;
         }
 
@@ -54,6 +55,7 @@ public class CommandBase implements CommandExecutor, TabCompleter {
         final List<String> list = new ArrayList<>();
         if(args.length == 0) return null;
         if(args.length == 1) {
+            if(subs.size() == 0) return getPlayerList();
             for(CommandBase cmd : subs)
                 if(player.hasPermission(cmd.getPermission()))
                     list.add(cmd.getName());
@@ -73,6 +75,13 @@ public class CommandBase implements CommandExecutor, TabCompleter {
         return res;
     }
 
+    private static List<String> getPlayerList() {
+        final List<String> players = new ArrayList<>();
+        for(Player p : Bukkit.getOnlinePlayers())
+            players.add(p.getName());
+        return players;
+    }
+
     public String getName() { return this.name; }
     public String getPermission() { return this.permission; }
 }

src/com/pretzel/dev/villagertradelimiter/lib/ConfigUpdater.java

@@ -29,7 +29,7 @@ public class ConfigUpdater {
     }
 
     public FileConfiguration updateConfig(File file, String prefix) {
-        final FileConfiguration cfg = (FileConfiguration)YamlConfiguration.loadConfiguration(file);
+        final FileConfiguration cfg = YamlConfiguration.loadConfiguration(file);
         if(this.isUpdated()) return cfg;
         Util.consoleMsg(prefix+"Updating config.yml...");
 
@@ -49,14 +49,13 @@ public class ConfigUpdater {
                     }
                     out += line+"\n";
                     boolean found = false;
-                    for(int j = 0; j < cfgActive.length; j++) {
+                    for(String line2 : cfgActive) {
-                        String line2 = cfgActive[j];
+                        if (line2.startsWith("  ") && !line2.replace(" ", "").isEmpty()) {
-                        if(line2.startsWith("  ") && !line2.replace(" ", "").isEmpty()) {
+                            out += line2 + "\n";
-                            out += line2+"\n";
                             found = true;
                         }
                     }
-                    if(found == false) {
+                    if(!found) {
                         while(i < cfgDefault.length-1) {
                             i++;
                             String line2 = cfgDefault[i];
@@ -68,7 +67,7 @@ public class ConfigUpdater {
             }
         }
         Util.writeFile(file, out+"\n");
-        return (FileConfiguration)YamlConfiguration.loadConfiguration(file);
+        return YamlConfiguration.loadConfiguration(file);
     }
 
     public boolean isUpdated() {

src/com/pretzel/dev/villagertradelimiter/listeners/PlayerListener.java

@@ -19,10 +19,11 @@ import org.bukkit.inventory.meta.EnchantmentStorageMeta;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class PlayerListener implements Listener {
-    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.IRON_SWORD, Material.DIAMOND_SWORD };
+    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.IRON_SWORD, Material.DIAMOND_SWORD, Material.NETHERITE_AXE, Material.NETHERITE_HOE, Material.NETHERITE_PICKAXE, Material.NETHERITE_SHOVEL, Material.NETHERITE_SWORD, Material.NETHERITE_HELMET, Material.NETHERITE_CHESTPLATE, Material.NETHERITE_LEGGINGS, Material.NETHERITE_BOOTS };
 
     private final VillagerTradeLimiter instance;
     private final NMS nms;
@@ -39,9 +40,21 @@ public class PlayerListener implements Listener {
         if(Util.isNPC(villager)) return; //Skips NPCs
         if(villager.getProfession() == Villager.Profession.NONE || villager.getProfession() == Villager.Profession.NITWIT) return; //Skips non-trading villagers
         if(villager.getRecipeCount() == 0) return; //Skips non-trading villagers
-        if(instance.getCfg().getBoolean("DisableTrading", false)) {
+
-            event.setCancelled(true);
+        //DisableTrading feature
-            return;
+        if(instance.getCfg().isBoolean("DisableTrading")) {
+            if(instance.getCfg().getBoolean("DisableTrading", false)) {
+                event.setCancelled(true);
+                return;
+            }
+        } else {
+            List<String> disabledWorlds = instance.getCfg().getStringList("DisableTrading");
+            for(String world : disabledWorlds) {
+                if(event.getPlayer().getWorld().getName().equals(world)) {
+                    event.setCancelled(true);
+                    return;
+                }
+            }
         }
 
         final Player player = event.getPlayer();
@@ -51,6 +64,7 @@ public class PlayerListener implements Listener {
         this.maxDemand(villager);
     }
 
+    //Hero of the Village effect limiter feature
     private void hotv(final Player player) {
         final PotionEffectType effect = PotionEffectType.HERO_OF_THE_VILLAGE;
         if(!player.hasPotionEffect(effect)) return; //Skips when player doesn't have HotV
@@ -66,6 +80,7 @@ public class PlayerListener implements Listener {
         }
     }
 
+    //MaxDiscount feature - limits the lowest discounted price to a % of the base price
     private void maxDiscount(final Villager villager, final Player player) {
         final List<MerchantRecipe> recipes = villager.getRecipes();
         int a = 0, b = 0, c = 0, d = 0, e = 0;
@@ -92,16 +107,20 @@ public class PlayerListener implements Listener {
             }
         }
         final ConfigurationSection overrides = instance.getCfg().getConfigurationSection("Overrides");
+
+        final ArrayList<MerchantRecipe> finalRecipes = new ArrayList<>();
         for (final MerchantRecipe recipe : recipes) {
             final int x = recipe.getIngredients().get(0).getAmount();
             final float p0 = this.getPriceMultiplier(recipe);
             final int w = 5 * a + b + c - d - 5 * e;
             final float y = x - p0 * w;
+            boolean disabled = false;
             double maxDiscount = instance.getCfg().getDouble("MaxDiscount", 0.3);
             if(overrides != null) {
-                for (final String k : overrides.getKeys(false)) {
+                for(final String k : overrides.getKeys(false)) {
                     final ConfigurationSection item = this.getItem(recipe, k);
-                    if (item != null) {
+                    if(item != null) {
+                        disabled = item.getBoolean("Disabled", false);
                         maxDiscount = item.getDouble("MaxDiscount", maxDiscount);
                         break;
                     }
@@ -116,9 +135,13 @@ public class PlayerListener implements Listener {
             } else {
                 recipe.setPriceMultiplier(p0);
             }
+            if(!disabled) finalRecipes.add(recipe);
         }
+        villager.setRecipes(finalRecipes);
+        Bukkit.getScheduler().runTaskLater(instance, () -> villager.setRecipes(recipes), 0);
     }
 
+    //MaxDemand feature - limits demand-based price increases
     private void maxDemand(final Villager villager) {
         List<MerchantRecipe> recipes = villager.getRecipes();
         final NBTContainer vnbt = new NBTContainer(this.nms, villager);
@@ -147,6 +170,7 @@ public class PlayerListener implements Listener {
         vnbt.saveTag(villager, vtag);
     }
 
+    //Returns the price multiplier for a given trade
     private float getPriceMultiplier(final MerchantRecipe recipe) {
         float p = 0.05f;
         final Material type = recipe.getResult().getType();
@@ -159,6 +183,7 @@ public class PlayerListener implements Listener {
         return p;
     }
 
+    //Returns the configured settings for a trade
     private ConfigurationSection getItem(final MerchantRecipe recipe, final String k) {
         final ConfigurationSection item = instance.getCfg().getConfigurationSection("Overrides."+k);
         if(item == null) return null;
@@ -176,6 +201,7 @@ public class PlayerListener implements Listener {
             if(recipe.getResult().getType() != Material.ENCHANTED_BOOK) return null;
             final EnchantmentStorageMeta meta = (EnchantmentStorageMeta)recipe.getResult().getItemMeta();
             final Enchantment enchantment = EnchantmentWrapper.getByKey(NamespacedKey.minecraft(k.substring(0, k.lastIndexOf("_"))));
+            if(meta == null || enchantment == null) return null;
             if(meta.hasStoredEnchant(enchantment) && meta.getStoredEnchantLevel(enchantment) == level) return item;
             return null;
         } catch(NumberFormatException e) {

src/main/resources/config.yml

@@ -1,6 +1,6 @@
 #---------------------------------------------------------------------------------#
 #                          VTL ~ VillagerTradeLimiter                             #
-#                                Version: 1.2.1                                   #
+#                                Version: 1.3.0                                   #
 #                                By: PretzelJohn                                  #
 #---------------------------------------------------------------------------------#
 
@@ -9,8 +9,10 @@
 # This helps me keep track of what server versions are being used. Please leave this set to true.
 bStats: true
 
-# Set this to true if you want to completely disable ALL villager trading.
+# Add world names for worlds that you want to completely disable ALL villager trading. Set to [] to disable this feature.
-DisableTrading: false
+DisableTrading:
+  - world_nether
+  - world_the_end
 
 # The maximum level of the "Hero of the Village" (HotV) effect that a player can have. This limits HotV price decreases.
 #   * Set to -1 to disable this feature and keep vanilla behavior.
@@ -34,7 +36,7 @@ MaxDemand: -1
 # To enable, add items below!
 #   * Enchanted books must follow the format: enchantment_name_level (ex: mending_1)
 #   * All other items must follow the format: item_name (ex: stone_bricks)
-# For each item you add, you can override MaxDiscount and/or MaxDemand.
+# For each item you add, you can disable the trade (set Disabled: true), or override MaxDiscount and/or MaxDemand.
 Overrides:
   mending_1:
     MaxDiscount: 0.1
@@ -47,4 +49,4 @@ Overrides:
   clock:
     MaxDemand: 12
   paper:
-    MaxDiscount: 0.1
+    Disabled: true

src/main/resources/plugin.yml

@@ -1,7 +1,7 @@
 name: VillagerTradeLimiter
 author: PretzelJohn
 main: com.pretzel.dev.villagertradelimiter.VillagerTradeLimiter
-version: 1.2.1
+version: 1.3.0
 api-version: 1.14
 
 commands: