Option to prevent NBT copy in smithing recipes (#6671)

patches/api/0332-Option-to-prevent-NBT-copy-in-smithing-recipes.patch

@@ -0,0 +1,56 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Sun, 26 Sep 2021 12:57:35 -0700
+Subject: [PATCH] Option to prevent NBT copy in smithing recipes
+
+
+diff --git a/src/main/java/org/bukkit/inventory/SmithingRecipe.java b/src/main/java/org/bukkit/inventory/SmithingRecipe.java
+index af04071d37e70b8cc9837d57477c8493be8afb9f..00000f1399b053bb3c7b6d4792559b630d414b81 100644
+--- a/src/main/java/org/bukkit/inventory/SmithingRecipe.java
++++ b/src/main/java/org/bukkit/inventory/SmithingRecipe.java
+@@ -13,6 +13,7 @@ public class SmithingRecipe implements Recipe, Keyed {
+     private final ItemStack result;
+     private final RecipeChoice base;
+     private final RecipeChoice addition;
++    private final boolean copyNbt; // Paper
+ 
+     /**
+      * Create a smithing recipe to produce the specified result ItemStack.
+@@ -23,6 +24,21 @@ public class SmithingRecipe implements Recipe, Keyed {
+      * @param addition The addition ingredient
+      */
+     public SmithingRecipe(@NotNull NamespacedKey key, @NotNull ItemStack result, @NotNull RecipeChoice base, @NotNull RecipeChoice addition) {
++        // Paper start
++        this(key, result, base, addition, true);
++    }
++    /**
++     * Create a smithing recipe to produce the specified result ItemStack.
++     *
++     * @param key The unique recipe key
++     * @param result The item you want the recipe to create.
++     * @param base The base ingredient
++     * @param addition The addition ingredient
++     * @param copyNbt whether to copy the nbt from the input base item to the output
++     */
++    public SmithingRecipe(@NotNull NamespacedKey key, @NotNull ItemStack result, @NotNull RecipeChoice base, @NotNull RecipeChoice addition, boolean copyNbt) {
++        this.copyNbt = copyNbt;
++        // Paper end
+         this.key = key;
+         this.result = result;
+         this.base = base;
+@@ -60,4 +76,15 @@ public class SmithingRecipe implements Recipe, Keyed {
+     public NamespacedKey getKey() {
+         return this.key;
+     }
++
++    // Paper start
++    /**
++     * Whether or not to copy the NBT of the input base item to the output.
++     *
++     * @return true to copy the NBT (default for vanilla smithing recipes)
++     */
++    public boolean willCopyNbt() {
++        return copyNbt;
++    }
++    // Paper end
+ }

patches/server/0809-Option-to-prevent-NBT-copy-in-smithing-recipes.patch

@@ -0,0 +1,84 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Sun, 26 Sep 2021 12:57:28 -0700
+Subject: [PATCH] Option to prevent NBT copy in smithing recipes
+
+
+diff --git a/src/main/java/net/minecraft/world/item/crafting/UpgradeRecipe.java b/src/main/java/net/minecraft/world/item/crafting/UpgradeRecipe.java
+index 21e9ce106cb7c1cdeabbad38a83d2439570e452b..88d99451748bfbd2cd24b1f29971a275dc6df597 100644
+--- a/src/main/java/net/minecraft/world/item/crafting/UpgradeRecipe.java
++++ b/src/main/java/net/minecraft/world/item/crafting/UpgradeRecipe.java
+@@ -26,8 +26,15 @@ public class UpgradeRecipe implements net.minecraft.world.item.crafting.Recipe<C
+     final Ingredient addition;
+     final ItemStack result;
+     private final ResourceLocation id;
++    final boolean copyNbt; // Paper
+ 
+     public UpgradeRecipe(ResourceLocation id, Ingredient base, Ingredient addition, ItemStack result) {
++        // Paper start
++        this(id, base, addition, result, true);
++    }
++    public UpgradeRecipe(ResourceLocation id, Ingredient base, Ingredient addition, ItemStack result, boolean copyNbt) {
++        this.copyNbt = copyNbt;
++        // Paper end
+         this.id = id;
+         this.base = base;
+         this.addition = addition;
+@@ -42,11 +49,13 @@ public class UpgradeRecipe implements net.minecraft.world.item.crafting.Recipe<C
+     @Override
+     public ItemStack assemble(Container inventory) {
+         ItemStack itemstack = this.result.copy();
++        if (copyNbt) { // Paper - copy nbt conditionally
+         CompoundTag nbttagcompound = inventory.getItem(0).getTag();
+ 
+         if (nbttagcompound != null) {
+             itemstack.setTag(nbttagcompound.copy());
+         }
++        } // Paper
+ 
+         return itemstack;
+     }
+@@ -97,7 +106,7 @@ public class UpgradeRecipe implements net.minecraft.world.item.crafting.Recipe<C
+     public Recipe toBukkitRecipe() {
+         CraftItemStack result = CraftItemStack.asCraftMirror(this.result);
+ 
+-        CraftSmithingRecipe recipe = new CraftSmithingRecipe(CraftNamespacedKey.fromMinecraft(this.id), result, CraftRecipe.toBukkit(this.base), CraftRecipe.toBukkit(this.addition));
++        CraftSmithingRecipe recipe = new CraftSmithingRecipe(CraftNamespacedKey.fromMinecraft(this.id), result, CraftRecipe.toBukkit(this.base), CraftRecipe.toBukkit(this.addition), this.copyNbt); // Paper
+ 
+         return recipe;
+     }
+diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingRecipe.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingRecipe.java
+index 0353ba44015cb72efa3892c527568902c9fa626b..bfd6b859fcfed89d0ebaca5200b7ca6f5d353d04 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingRecipe.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingRecipe.java
+@@ -8,15 +8,21 @@ import org.bukkit.inventory.RecipeChoice;
+ import org.bukkit.inventory.SmithingRecipe;
+ 
+ public class CraftSmithingRecipe extends SmithingRecipe implements CraftRecipe {
++    @Deprecated // Paper
+     public CraftSmithingRecipe(NamespacedKey key, ItemStack result, RecipeChoice base, RecipeChoice addition) {
+         super(key, result, base, addition);
+     }
++    // Paper start
++    public CraftSmithingRecipe(NamespacedKey key, ItemStack result, RecipeChoice base, RecipeChoice addition, boolean copyNbt) {
++        super(key, result, base, addition, copyNbt);
++    }
++    // Paper end
+ 
+     public static CraftSmithingRecipe fromBukkitRecipe(SmithingRecipe recipe) {
+         if (recipe instanceof CraftSmithingRecipe) {
+             return (CraftSmithingRecipe) recipe;
+         }
+-        CraftSmithingRecipe ret = new CraftSmithingRecipe(recipe.getKey(), recipe.getResult(), recipe.getBase(), recipe.getAddition());
++        CraftSmithingRecipe ret = new CraftSmithingRecipe(recipe.getKey(), recipe.getResult(), recipe.getBase(), recipe.getAddition(), recipe.willCopyNbt()); // Paper
+         return ret;
+     }
+ 
+@@ -24,6 +30,6 @@ public class CraftSmithingRecipe extends SmithingRecipe implements CraftRecipe {
+     public void addToCraftingManager() {
+         ItemStack result = this.getResult();
+ 
+-        MinecraftServer.getServer().getRecipeManager().addRecipe(new net.minecraft.world.item.crafting.UpgradeRecipe(CraftNamespacedKey.toMinecraft(this.getKey()), toNMS(this.getBase(), true), toNMS(this.getAddition(), true), CraftItemStack.asNMSCopy(result)));
++        MinecraftServer.getServer().getRecipeManager().addRecipe(new net.minecraft.world.item.crafting.UpgradeRecipe(CraftNamespacedKey.toMinecraft(this.getKey()), toNMS(this.getBase(), true), toNMS(this.getAddition(), true), CraftItemStack.asNMSCopy(result), this.willCopyNbt())); // Paper
+     }
+ }