Purpur/patches/server/0180-Config-to-allow-for-unsafe-enchants.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Encode42 <me@encode42.dev>
Date: Wed, 24 Mar 2021 17:59:54 -0400
Subject: [PATCH] Config to allow for unsafe enchants


diff --git a/src/main/java/net/minecraft/server/commands/EnchantCommand.java b/src/main/java/net/minecraft/server/commands/EnchantCommand.java
index 514cc0e8805045549eacde6c280859aa2dc4a91d..a3ac6bebcef7b1e1f9c3ebe525656a15e13f9be8 100644
--- a/src/main/java/net/minecraft/server/commands/EnchantCommand.java
+++ b/src/main/java/net/minecraft/server/commands/EnchantCommand.java
@@ -44,7 +44,7 @@ public class EnchantCommand {
     }
 
     private static int enchant(CommandSourceStack source, Collection<? extends Entity> targets, Enchantment enchantment, int level) throws CommandSyntaxException {
-        if (level > enchantment.getMaxLevel()) {
+        if (!net.pl3x.purpur.PurpurConfig.allowUnsafeEnchants && level > enchantment.getMaxLevel()) { // Purpur
             throw ERROR_LEVEL_TOO_HIGH.create(level, enchantment.getMaxLevel());
         } else {
             int i = 0;
@@ -54,7 +54,7 @@ public class EnchantCommand {
                     LivingEntity livingEntity = (LivingEntity)entity;
                     ItemStack itemStack = livingEntity.getMainHandItem();
                     if (!itemStack.isEmpty()) {
-                        if (enchantment.canEnchant(itemStack) && EnchantmentHelper.isEnchantmentCompatible(EnchantmentHelper.getEnchantments(itemStack).keySet(), enchantment)) {
+                        if ((enchantment.canEnchant(itemStack) && EnchantmentHelper.isEnchantmentCompatible(EnchantmentHelper.getEnchantments(itemStack).keySet(), enchantment)) || (net.pl3x.purpur.PurpurConfig.allowUnsafeEnchants && !itemStack.hasEnchantment(enchantment))) { // Purpur
                             itemStack.enchant(enchantment, level);
                             ++i;
                         } else if (targets.size() == 1) {
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 5bd25f8b8a554b965665b3f5686c14189b51f28e..4be9924556e0f447dbe6a53c2d4cb7fb89dac455 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -1140,6 +1140,12 @@ public final class ItemStack {
         return this.tag != null && this.tag.contains("Enchantments", 9) ? !this.tag.getList("Enchantments", 10).isEmpty() : false;
     }
 
+    // Purpur start
+    public boolean hasEnchantment(Enchantment enchantment) {
+        return isEnchanted() && EnchantmentHelper.deserializeEnchantments(getEnchantmentTags()).containsKey(enchantment);
+    }
+    // Purpur end
+
     public void addTagElement(String key, net.minecraft.nbt.Tag tag) {
         this.getOrCreateTag().put(key, tag);
     }
diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
index e4f19ff7c1cf56f014432aba9e2f8788b48f75fb..076f98308c788ed77e829020da1343a45cb8a175 100644
--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -209,6 +209,7 @@ public class PurpurConfig {
 
     public static boolean allowInfinityMending = false;
     public static boolean allowCrossbowInfinity = false;
+    public static boolean allowUnsafeEnchants = false;
     private static void enchantmentSettings() {
         if (version < 5) {
             boolean oldValue = getBoolean("settings.enchantment.allow-infinite-and-mending-together", false);
@@ -217,6 +218,7 @@ public class PurpurConfig {
         }
         allowInfinityMending = getBoolean("settings.enchantment.allow-infinity-and-mending-together", allowInfinityMending);
         allowCrossbowInfinity = getBoolean("settings.enchantment.allow-infinity-on-crossbow", allowCrossbowInfinity);
+        allowUnsafeEnchants = getBoolean("settings.enchantment.allow-unsafe-enchants", allowUnsafeEnchants);
     }
 
     public static boolean endermanShortHeight = false;