Protection stacking (LeavesMC#29)

Author: s-yh-china

patches/server/0005-Leaves-Server-Config-And-Command.patch

@@ -78,10 +78,10 @@ index 01d907e3266095bb33d3a73dc56004fd79043943..06c00aa070334deeae96524b35ff1295
                          .withRequiredArg()
 diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..82376b6a310ccdc9d813e20482ea7841c7ea7cf1
+index 0000000000000000000000000000000000000000..837ab6d67fc563042364985ecd5c44cf231e5804
 --- /dev/null
 +++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
-@@ -0,0 +1,864 @@
+@@ -0,0 +1,867 @@
 +package top.leavesmc.leaves;
 +
 +import com.destroystokyo.paper.util.SneakyThrow;
@@ -336,6 +336,9 @@ index 0000000000000000000000000000000000000000..82376b6a310ccdc9d813e20482ea7841
 +        }
 +    }
 +
++    @GlobalConfig(name = "protection-stacking", category = {"modify", "minecraft-old"})
++    public static boolean protectionStacking = false;
++
 +    // Leaves end - modify - minecraft-old
 +
 +    // Leaves start - modify - elytra-aeronautics

patches/server/0127-Protection-stacking.patch

@@ -0,0 +1,22 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: violetc <[email protected]>
+Date: Mon, 15 Jan 2024 20:47:05 +0800
+Subject: [PATCH] Protection stacking
+
+
+diff --git a/src/main/java/net/minecraft/world/item/enchantment/ProtectionEnchantment.java b/src/main/java/net/minecraft/world/item/enchantment/ProtectionEnchantment.java
+index ba8bd0df934f28c5dae6fd8a85ec0b73f6d3aa31..cdb7dea2dc9fcafcdb7eaf8750a7c637bffc00e9 100644
+--- a/src/main/java/net/minecraft/world/item/enchantment/ProtectionEnchantment.java
++++ b/src/main/java/net/minecraft/world/item/enchantment/ProtectionEnchantment.java
+@@ -48,6 +48,11 @@ public class ProtectionEnchantment extends Enchantment {
+ 
+     @Override
+     public boolean checkCompatibility(Enchantment other) {
++        // Leaves start - protection stacking
++        if (top.leavesmc.leaves.LeavesConfig.protectionStacking) {
++            return super.checkCompatibility(other);
++        }
++        // Leaves end - protection stacking
+         if (other instanceof ProtectionEnchantment protectionEnchantment) {
+             if (this.type == protectionEnchantment.type) {
+                 return false;