diff --git a/patches/api/0477-Improve-Recipe-validation.patch b/patches/api/0477-Fix-issues-with-recipe-API.patch similarity index 59% rename from patches/api/0477-Improve-Recipe-validation.patch rename to patches/api/0477-Fix-issues-with-recipe-API.patch index 1989238381..d9f853e3e4 100644 --- a/patches/api/0477-Improve-Recipe-validation.patch +++ b/patches/api/0477-Fix-issues-with-recipe-API.patch @@ -1,11 +1,20 @@ From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jake Potrebic Date: Sun, 12 May 2024 10:42:42 -0700 -Subject: [PATCH] Improve Recipe validation +Subject: [PATCH] Fix issues with recipe API +Improves the validation when creating recipes +and RecipeChoices to closer match what is +allowed by the Codecs and StreamCodecs internally. + +Adds RecipeChoice#empty which is allowed in specific +recipes and ingredient slots. + +Also fixes some issues regarding mutability of both ItemStack +and implementations of RecipeChoice. diff --git a/src/main/java/org/bukkit/inventory/CookingRecipe.java b/src/main/java/org/bukkit/inventory/CookingRecipe.java -index f7fa79393aef40027446b78bac8e9490cfafd8bc..a64dae15db89038f3eb599f2a41edf45990f4fda 100644 +index f7fa79393aef40027446b78bac8e9490cfafd8bc..07906ca1a9b39fcc6774870daa498402f7f37917 100644 --- a/src/main/java/org/bukkit/inventory/CookingRecipe.java +++ b/src/main/java/org/bukkit/inventory/CookingRecipe.java @@ -44,10 +44,10 @@ public abstract class CookingRecipe implements Recipe, @@ -17,7 +26,7 @@ index f7fa79393aef40027446b78bac8e9490cfafd8bc..a64dae15db89038f3eb599f2a41edf45 this.key = key; this.output = new ItemStack(result); - this.ingredient = input; -+ this.ingredient = input.validate().clone(); // Paper ++ this.ingredient = input.validate(false).clone(); // Paper this.experience = experience; this.cookingTime = cookingTime; } @@ -26,7 +35,7 @@ index f7fa79393aef40027446b78bac8e9490cfafd8bc..a64dae15db89038f3eb599f2a41edf45 @NotNull public T setInputChoice(@NotNull RecipeChoice input) { - this.ingredient = input; -+ this.ingredient = input.validate().clone(); // Paper ++ this.ingredient = input.validate(false).clone(); // Paper return (T) this; } @@ -43,6 +52,45 @@ index e4bf772f7e06f38215bee68f089b15a4fcb12817..37024b4736dd3897490ca51d08cf0790 this.key = key; this.output = new ItemStack(result); } +diff --git a/src/main/java/org/bukkit/inventory/EmptyRecipeChoice.java b/src/main/java/org/bukkit/inventory/EmptyRecipeChoice.java +new file mode 100644 +index 0000000000000000000000000000000000000000..ed0ab6163f47ec843ba4f7ea4a98bb2fa315eaa1 +--- /dev/null ++++ b/src/main/java/org/bukkit/inventory/EmptyRecipeChoice.java +@@ -0,0 +1,33 @@ ++package org.bukkit.inventory; ++ ++import org.checkerframework.checker.nullness.qual.NonNull; ++import org.checkerframework.framework.qual.DefaultQualifier; ++import org.jetbrains.annotations.ApiStatus; ++ ++@ApiStatus.Internal ++@DefaultQualifier(NonNull.class) ++record EmptyRecipeChoice() implements RecipeChoice { ++ ++ static final RecipeChoice INSTANCE = new EmptyRecipeChoice(); ++ @Override ++ public ItemStack getItemStack() { ++ throw new UnsupportedOperationException("This is an empty RecipeChoice"); ++ } ++ ++ @SuppressWarnings("MethodDoesntCallSuperMethod") ++ @Override ++ public RecipeChoice clone() { ++ return this; ++ } ++ ++ @Override ++ public boolean test(final ItemStack itemStack) { ++ return false; ++ } ++ ++ @Override ++ public RecipeChoice validate(final boolean allowEmptyRecipes) { ++ if (allowEmptyRecipes) return this; ++ throw new IllegalArgumentException("empty RecipeChoice isn't allowed here"); ++ } ++} diff --git a/src/main/java/org/bukkit/inventory/MerchantRecipe.java b/src/main/java/org/bukkit/inventory/MerchantRecipe.java index 39f9766a03d420340d79841197f75c8b1dd49f4a..4e59f5176fd6cf92457ad750081c253a58790b61 100644 --- a/src/main/java/org/bukkit/inventory/MerchantRecipe.java @@ -78,16 +126,36 @@ index 39f9766a03d420340d79841197f75c8b1dd49f4a..4e59f5176fd6cf92457ad750081c253a } } diff --git a/src/main/java/org/bukkit/inventory/RecipeChoice.java b/src/main/java/org/bukkit/inventory/RecipeChoice.java -index db8bcc66bdc4bedfffb4705db6338eda4c0ad29a..c143b0d8b97d514566bac8413d0346cf50822aeb 100644 +index db8bcc66bdc4bedfffb4705db6338eda4c0ad29a..1cd6601c9d2e86ef850011fcb9e59811207b4af7 100644 --- a/src/main/java/org/bukkit/inventory/RecipeChoice.java +++ b/src/main/java/org/bukkit/inventory/RecipeChoice.java -@@ -35,6 +35,13 @@ public interface RecipeChoice extends Predicate, Cloneable { +@@ -19,6 +19,19 @@ import org.jetbrains.annotations.NotNull; + */ + public interface RecipeChoice extends Predicate, Cloneable { + ++ // Paper start - add "empty" choice ++ /** ++ * An "empty" recipe choice. Only valid as a recipe choice in ++ * specific places. Check the javadocs of a method before using it ++ * to be sure it's valid for that recipe and ingredient type. ++ * ++ * @return the empty recipe choice ++ */ ++ static @NotNull RecipeChoice empty() { ++ return EmptyRecipeChoice.INSTANCE; ++ } ++ // Paper end ++ + /** + * Gets a single item stack representative of this stack choice. + * +@@ -35,6 +48,13 @@ public interface RecipeChoice extends Predicate, Cloneable { @Override boolean test(@NotNull ItemStack itemStack); + // Paper start - check valid ingredients + @org.jetbrains.annotations.ApiStatus.Internal -+ default @NotNull RecipeChoice validate() { ++ default @NotNull RecipeChoice validate(final boolean allowEmptyRecipes) { + return this; + } + // Paper end - check valid ingredients @@ -95,7 +163,24 @@ index db8bcc66bdc4bedfffb4705db6338eda4c0ad29a..c143b0d8b97d514566bac8413d0346cf /** * Represents a choice of multiple matching Materials. */ -@@ -185,7 +192,12 @@ public interface RecipeChoice extends Predicate, Cloneable { +@@ -141,6 +161,16 @@ public interface RecipeChoice extends Predicate, Cloneable { + public String toString() { + return "MaterialChoice{" + "choices=" + choices + '}'; + } ++ ++ // Paper start - check valid ingredients ++ @Override ++ public @NotNull RecipeChoice validate(final boolean allowEmptyRecipes) { ++ if (this.choices.stream().anyMatch(Material::isAir)) { ++ throw new IllegalArgumentException("RecipeChoice.MaterialChoice cannot contain air"); ++ } ++ return this; ++ } ++ // Paper end - check valid ingredients + } + + /** +@@ -185,7 +215,12 @@ public interface RecipeChoice extends Predicate, Cloneable { public ExactChoice clone() { try { ExactChoice clone = (ExactChoice) super.clone(); @@ -109,14 +194,14 @@ index db8bcc66bdc4bedfffb4705db6338eda4c0ad29a..c143b0d8b97d514566bac8413d0346cf return clone; } catch (CloneNotSupportedException ex) { throw new AssertionError(ex); -@@ -232,5 +244,15 @@ public interface RecipeChoice extends Predicate, Cloneable { +@@ -232,5 +267,15 @@ public interface RecipeChoice extends Predicate, Cloneable { public String toString() { return "ExactChoice{" + "choices=" + choices + '}'; } + + // Paper start - check valid ingredients + @Override -+ public @NotNull RecipeChoice validate() { ++ public @NotNull RecipeChoice validate(final boolean allowEmptyRecipes) { + if (this.choices.stream().anyMatch(s -> s.getType().isAir())) { + throw new IllegalArgumentException("RecipeChoice.ExactChoice cannot contain air"); + } @@ -126,7 +211,7 @@ index db8bcc66bdc4bedfffb4705db6338eda4c0ad29a..c143b0d8b97d514566bac8413d0346cf } } diff --git a/src/main/java/org/bukkit/inventory/ShapedRecipe.java b/src/main/java/org/bukkit/inventory/ShapedRecipe.java -index da878c6d4928ddbc16b50ace86d992685a2b7873..0547505987ee954adbac0cbe5a6ada3dfaedf034 100644 +index da878c6d4928ddbc16b50ace86d992685a2b7873..28e8d4e4f354b304f32cd8f14dcff7166a7bb37e 100644 --- a/src/main/java/org/bukkit/inventory/ShapedRecipe.java +++ b/src/main/java/org/bukkit/inventory/ShapedRecipe.java @@ -166,14 +166,15 @@ public class ShapedRecipe extends CraftingRecipe { @@ -134,7 +219,7 @@ index da878c6d4928ddbc16b50ace86d992685a2b7873..0547505987ee954adbac0cbe5a6ada3d Preconditions.checkArgument(ingredients.containsKey(key), "Symbol does not appear in the shape:", key); - ingredients.put(key, ingredient); -+ ingredients.put(key, ingredient.validate().clone()); // Paper ++ ingredients.put(key, ingredient.validate(false).clone()); // Paper return this; } @@ -148,7 +233,7 @@ index da878c6d4928ddbc16b50ace86d992685a2b7873..0547505987ee954adbac0cbe5a6ada3d // Paper end diff --git a/src/main/java/org/bukkit/inventory/ShapelessRecipe.java b/src/main/java/org/bukkit/inventory/ShapelessRecipe.java -index beb798482479c58a8628c314b510ab6349576ce8..6a8195ca224790e3130ec9923188e7b585797263 100644 +index beb798482479c58a8628c314b510ab6349576ce8..8251170314ab25c26270208e453b4e3909435754 100644 --- a/src/main/java/org/bukkit/inventory/ShapelessRecipe.java +++ b/src/main/java/org/bukkit/inventory/ShapelessRecipe.java @@ -131,7 +131,7 @@ public class ShapelessRecipe extends CraftingRecipe { @@ -156,7 +241,7 @@ index beb798482479c58a8628c314b510ab6349576ce8..6a8195ca224790e3130ec9923188e7b5 Preconditions.checkArgument(ingredients.size() + 1 <= 9, "Shapeless recipes cannot have more than 9 ingredients"); - ingredients.add(ingredient); -+ ingredients.add(ingredient.validate().clone()); // Paper ++ ingredients.add(ingredient.validate(false).clone()); // Paper return this; } @@ -170,7 +255,7 @@ index beb798482479c58a8628c314b510ab6349576ce8..6a8195ca224790e3130ec9923188e7b5 ingredients.add(new RecipeChoice.ExactChoice(item)); } diff --git a/src/main/java/org/bukkit/inventory/SmithingRecipe.java b/src/main/java/org/bukkit/inventory/SmithingRecipe.java -index 1ef9a715a2736e88a16083c6873803a8bd6bcf29..a8f451dc1d8d49c2080c3ed3d8348020c3d470cf 100644 +index 1ef9a715a2736e88a16083c6873803a8bd6bcf29..3072858dd4413129ec1737572838c2ea5ffd84bc 100644 --- a/src/main/java/org/bukkit/inventory/SmithingRecipe.java +++ b/src/main/java/org/bukkit/inventory/SmithingRecipe.java @@ -44,12 +44,13 @@ public class SmithingRecipe implements Recipe, Keyed { @@ -184,48 +269,94 @@ index 1ef9a715a2736e88a16083c6873803a8bd6bcf29..a8f451dc1d8d49c2080c3ed3d8348020 this.result = result; - this.base = base; - this.addition = addition; -+ this.base = base.validate().clone(); // Paper -+ this.addition = addition.validate().clone(); // Paper ++ this.base = base.validate(true).clone(); // Paper ++ this.addition = addition.validate(true).clone(); // Paper } /** diff --git a/src/main/java/org/bukkit/inventory/SmithingTransformRecipe.java b/src/main/java/org/bukkit/inventory/SmithingTransformRecipe.java -index 68e7132d77151b7b8312638d8bb79ea59e2fa5a6..d3a7070a51d15531fb6f917ca87196dfa08f83aa 100644 +index 68e7132d77151b7b8312638d8bb79ea59e2fa5a6..60bfdd6b8814be8e3ffdfaef8a5ac7eeff9a5830 100644 --- a/src/main/java/org/bukkit/inventory/SmithingTransformRecipe.java +++ b/src/main/java/org/bukkit/inventory/SmithingTransformRecipe.java -@@ -21,7 +21,7 @@ public class SmithingTransformRecipe extends SmithingRecipe { +@@ -15,13 +15,13 @@ public class SmithingTransformRecipe extends SmithingRecipe { + * + * @param key The unique recipe key + * @param result The item you want the recipe to create. +- * @param template The template item. +- * @param base The base ingredient +- * @param addition The addition ingredient ++ * @param template The template item ({@link RecipeChoice#empty()} can be used) ++ * @param base The base ingredient ({@link RecipeChoice#empty()} can be used) ++ * @param addition The addition ingredient ({@link RecipeChoice#empty()} can be used) */ public SmithingTransformRecipe(@NotNull NamespacedKey key, @NotNull ItemStack result, @NotNull RecipeChoice template, @NotNull RecipeChoice base, @NotNull RecipeChoice addition) { super(key, result, base, addition); - this.template = template; -+ this.template = template.validate().clone(); // Paper ++ this.template = template.validate(true).clone(); // Paper } // Paper start /** +@@ -29,14 +29,14 @@ public class SmithingTransformRecipe extends SmithingRecipe { + * + * @param key The unique recipe key + * @param result The item you want the recipe to create. +- * @param template The template item. +- * @param base The base ingredient +- * @param addition The addition ingredient ++ * @param template The template item ({@link RecipeChoice#empty()} can be used) ++ * @param base The base ingredient ({@link RecipeChoice#empty()} can be used) ++ * @param addition The addition ingredient ({@link RecipeChoice#empty()} can be used) + * @param copyDataComponents whether to copy the data components from the input base item to the output + */ + public SmithingTransformRecipe(@NotNull NamespacedKey key, @NotNull ItemStack result, @NotNull RecipeChoice template, @NotNull RecipeChoice base, @NotNull RecipeChoice addition, boolean copyDataComponents) { + super(key, result, base, addition, copyDataComponents); +- this.template = template; ++ this.template = template.validate(true).clone(); + } + // Paper end + diff --git a/src/main/java/org/bukkit/inventory/SmithingTrimRecipe.java b/src/main/java/org/bukkit/inventory/SmithingTrimRecipe.java -index ce36bb5b030f17e11f74e987235be143c1925aa7..6316112074a0708734106ca9de5ef968df52ce0e 100644 +index ce36bb5b030f17e11f74e987235be143c1925aa7..9ac27cbe7dcff0403ef34727d0461b8201aca6f1 100644 --- a/src/main/java/org/bukkit/inventory/SmithingTrimRecipe.java +++ b/src/main/java/org/bukkit/inventory/SmithingTrimRecipe.java -@@ -21,7 +21,7 @@ public class SmithingTrimRecipe extends SmithingRecipe implements ComplexRecipe +@@ -15,27 +15,27 @@ public class SmithingTrimRecipe extends SmithingRecipe implements ComplexRecipe + * Create a smithing recipe to produce the specified result ItemStack. + * + * @param key The unique recipe key +- * @param template The template item. +- * @param base The base ingredient +- * @param addition The addition ingredient ++ * @param template The template item ({@link RecipeChoice#empty()} can be used) ++ * @param base The base ingredient ({@link RecipeChoice#empty()} can be used) ++ * @param addition The addition ingredient ({@link RecipeChoice#empty()} can be used) */ public SmithingTrimRecipe(@NotNull NamespacedKey key, @NotNull RecipeChoice template, @NotNull RecipeChoice base, @NotNull RecipeChoice addition) { super(key, new ItemStack(Material.AIR), base, addition); - this.template = template; -+ this.template = template.validate().clone(); // Paper ++ this.template = template.validate(true).clone(); // Paper } // Paper start /** -@@ -35,7 +35,7 @@ public class SmithingTrimRecipe extends SmithingRecipe implements ComplexRecipe + * Create a smithing recipe to produce the specified result ItemStack. + * + * @param key The unique recipe key +- * @param template The template item. +- * @param base The base ingredient +- * @param addition The addition ingredient ++ * @param template The template item. ({@link RecipeChoice#empty()} can be used) ++ * @param base The base ingredient ({@link RecipeChoice#empty()} can be used) ++ * @param addition The addition ingredient ({@link RecipeChoice#empty()} can be used) + * @param copyDataComponents whether to copy the data components from the input base item to the output */ public SmithingTrimRecipe(@NotNull NamespacedKey key, @NotNull RecipeChoice template, @NotNull RecipeChoice base, @NotNull RecipeChoice addition, boolean copyDataComponents) { super(key, new ItemStack(Material.AIR), base, addition, copyDataComponents); - this.template = template; -+ this.template = template.validate().clone(); // Paper ++ this.template = template.validate(true).clone(); // Paper } // Paper end diff --git a/src/main/java/org/bukkit/inventory/StonecuttingRecipe.java b/src/main/java/org/bukkit/inventory/StonecuttingRecipe.java -index bc3440eb72127824b3961fbdae583bb61385f65e..802c23a86d301a5336a97a8256182da7d792ec1d 100644 +index bc3440eb72127824b3961fbdae583bb61385f65e..17b33f8e6e3dc6a22686a498fa944382e8767077 100644 --- a/src/main/java/org/bukkit/inventory/StonecuttingRecipe.java +++ b/src/main/java/org/bukkit/inventory/StonecuttingRecipe.java @@ -35,10 +35,10 @@ public class StonecuttingRecipe implements Recipe, Keyed { @@ -237,7 +368,7 @@ index bc3440eb72127824b3961fbdae583bb61385f65e..802c23a86d301a5336a97a8256182da7 this.key = key; this.output = new ItemStack(result); - this.ingredient = input; -+ this.ingredient = input.validate().clone(); // Paper ++ this.ingredient = input.validate(false).clone(); // Paper } /** @@ -246,7 +377,7 @@ index bc3440eb72127824b3961fbdae583bb61385f65e..802c23a86d301a5336a97a8256182da7 @NotNull public StonecuttingRecipe setInputChoice(@NotNull RecipeChoice input) { - this.ingredient = input; -+ this.ingredient = input.validate().clone(); // Paper ++ this.ingredient = input.validate(false).clone(); // Paper return (StonecuttingRecipe) this; } diff --git a/patches/server/1046-Fix-issues-with-Recipe-API.patch b/patches/server/1046-Fix-issues-with-Recipe-API.patch new file mode 100644 index 0000000000..a5312e5dc7 --- /dev/null +++ b/patches/server/1046-Fix-issues-with-Recipe-API.patch @@ -0,0 +1,116 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jake Potrebic +Date: Sun, 12 May 2024 15:49:36 -0700 +Subject: [PATCH] Fix issues with Recipe API + + +diff --git a/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java b/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java +index 482d7b12b80328fba97a01bcfeb974b7ac4bcdb7..fb4c8a2a15e8e3e26454b7da920454e9861336c6 100644 +--- a/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java ++++ b/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java +@@ -91,7 +91,7 @@ public class ShapedRecipe extends io.papermc.paper.inventory.recipe.RecipeBookEx + char c = 'a'; + for (Ingredient list : this.pattern.ingredients()) { + RecipeChoice choice = CraftRecipe.toBukkit(list); +- if (choice != null) { ++ if (choice != RecipeChoice.empty()) { // Paper + recipe.setIngredient(c, choice); + } + +diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java +index 6ba29875d78ede4aa7978ff689e588f7fed11528..c76c78bb7757d407102271463e14716a1b012deb 100644 +--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java ++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java +@@ -29,6 +29,10 @@ public interface CraftRecipe extends Recipe { + } else if (bukkit instanceof RecipeChoice.ExactChoice) { + stack = new Ingredient(((RecipeChoice.ExactChoice) bukkit).getChoices().stream().map((mat) -> new net.minecraft.world.item.crafting.Ingredient.ItemValue(CraftItemStack.asNMSCopy(mat)))); + stack.exact = true; ++ // Paper start - support "empty" choices ++ } else if (bukkit == RecipeChoice.empty()) { ++ stack = Ingredient.EMPTY; ++ // Paper end + } else { + throw new IllegalArgumentException("Unknown recipe stack instance " + bukkit); + } +@@ -45,7 +49,7 @@ public interface CraftRecipe extends Recipe { + list.getItems(); + + if (list.itemStacks.length == 0) { +- return null; ++ return RecipeChoice.empty(); // Paper - null breaks API contracts + } + + if (list.exact) { +diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTransformRecipe.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTransformRecipe.java +index 38690b28b6f67624d68877c1e89ebe30b402b233..3aec771478a6b17353d57e82baac53dd24779e7b 100644 +--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTransformRecipe.java ++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTransformRecipe.java +@@ -30,6 +30,6 @@ public class CraftSmithingTransformRecipe extends SmithingTransformRecipe implem + public void addToCraftingManager() { + ItemStack result = this.getResult(); + +- MinecraftServer.getServer().getRecipeManager().addRecipe(new RecipeHolder<>(CraftNamespacedKey.toMinecraft(this.getKey()), new net.minecraft.world.item.crafting.SmithingTransformRecipe(this.toNMS(this.getTemplate(), true), this.toNMS(this.getBase(), true), this.toNMS(this.getAddition(), true), CraftItemStack.asNMSCopy(result), this.willCopyDataComponents()))); // Paper - Option to prevent data components copy ++ MinecraftServer.getServer().getRecipeManager().addRecipe(new RecipeHolder<>(CraftNamespacedKey.toMinecraft(this.getKey()), new net.minecraft.world.item.crafting.SmithingTransformRecipe(this.toNMS(this.getTemplate(), false), this.toNMS(this.getBase(), false), this.toNMS(this.getAddition(), false), CraftItemStack.asNMSCopy(result), this.willCopyDataComponents()))); // Paper - Option to prevent data components copy & support empty RecipeChoice + } + } +diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTrimRecipe.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTrimRecipe.java +index 5d7782b168138383c606a2c52fbdebe1732364ac..61af2fe3534ff67f10310c6c7dec39cff0f93ee3 100644 +--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTrimRecipe.java ++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftSmithingTrimRecipe.java +@@ -28,6 +28,6 @@ public class CraftSmithingTrimRecipe extends SmithingTrimRecipe implements Craft + + @Override + public void addToCraftingManager() { +- MinecraftServer.getServer().getRecipeManager().addRecipe(new RecipeHolder<>(CraftNamespacedKey.toMinecraft(this.getKey()), new net.minecraft.world.item.crafting.SmithingTrimRecipe(this.toNMS(this.getTemplate(), true), this.toNMS(this.getBase(), true), this.toNMS(this.getAddition(), true), this.willCopyDataComponents()))); // Paper - Option to prevent data components copy ++ MinecraftServer.getServer().getRecipeManager().addRecipe(new RecipeHolder<>(CraftNamespacedKey.toMinecraft(this.getKey()), new net.minecraft.world.item.crafting.SmithingTrimRecipe(this.toNMS(this.getTemplate(), false), this.toNMS(this.getBase(), false), this.toNMS(this.getAddition(), false), this.willCopyDataComponents()))); // Paper - Option to prevent data components copy & support empty RecipeChoice + } + } +diff --git a/src/test/java/io/papermc/paper/inventory/recipe/TestRecipeChoice.java b/src/test/java/io/papermc/paper/inventory/recipe/TestRecipeChoice.java +new file mode 100644 +index 0000000000000000000000000000000000000000..b6816485a2360b936c049b398183658ee18813ec +--- /dev/null ++++ b/src/test/java/io/papermc/paper/inventory/recipe/TestRecipeChoice.java +@@ -0,0 +1,24 @@ ++package io.papermc.paper.inventory.recipe; ++ ++import java.util.Iterator; ++import org.bukkit.Bukkit; ++import org.bukkit.inventory.Recipe; ++import org.bukkit.support.AbstractTestingBase; ++import org.junit.jupiter.api.Test; ++ ++import static org.junit.jupiter.api.Assertions.assertDoesNotThrow; ++import static org.junit.jupiter.api.Assertions.assertTrue; ++ ++class TestRecipeChoice extends AbstractTestingBase { ++ ++ @Test ++ void testRecipeChoices() { ++ final Iterator iter = Bukkit.recipeIterator(); ++ boolean foundRecipes = false; ++ while (iter.hasNext()) { ++ foundRecipes = true; ++ assertDoesNotThrow(iter::next, "Failed to convert a recipe to Bukkit recipe!"); ++ } ++ assertTrue(foundRecipes, "No recipes found!"); ++ } ++} +diff --git a/src/test/java/org/bukkit/support/DummyServer.java b/src/test/java/org/bukkit/support/DummyServer.java +index d7e24766f383f75ed46123fff1bd0ec926a635b4..a73c16bb7923957113e688fa6fe46cbd68837d3e 100644 +--- a/src/test/java/org/bukkit/support/DummyServer.java ++++ b/src/test/java/org/bukkit/support/DummyServer.java +@@ -56,6 +56,14 @@ public final class DummyServer { + when(instance.getTag(anyString(), any(org.bukkit.NamespacedKey.class), any())).thenAnswer(ignored -> new io.papermc.paper.util.EmptyTag()); + // paper end - testing additions + ++ // Paper start - add test for recipe conversion ++ when(instance.recipeIterator()).thenAnswer(ignored -> { ++ return com.google.common.collect.Iterators.transform( ++ AbstractTestingBase.DATA_PACK.getRecipeManager().byType.entries().iterator(), ++ input -> input.getValue().toBukkitRecipe()); ++ }); ++ // Paper end - add test for recipe conversion ++ + Bukkit.setServer(instance); + } catch (Throwable t) { + throw new Error(t);