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-rw-r--r--patches/server/1061-Improve-exact-choice-recipe-ingredients.patch434
1 files changed, 434 insertions, 0 deletions
diff --git a/patches/server/1061-Improve-exact-choice-recipe-ingredients.patch b/patches/server/1061-Improve-exact-choice-recipe-ingredients.patch
new file mode 100644
index 0000000000..24495c4ce6
--- /dev/null
+++ b/patches/server/1061-Improve-exact-choice-recipe-ingredients.patch
@@ -0,0 +1,434 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <[email protected]>
+Date: Sun, 25 Jun 2023 23:10:14 -0700
+Subject: [PATCH] Improve exact choice recipe ingredients
+
+Fixes exact choices not working with recipe book clicks
+and shapeless recipes.
+
+== AT ==
+public net.minecraft.world.item.ItemStackLinkedSet TYPE_AND_TAG
+
+diff --git a/src/main/java/io/papermc/paper/inventory/recipe/ItemOrExact.java b/src/main/java/io/papermc/paper/inventory/recipe/ItemOrExact.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..5bcc814d5a1b88991e9c1324b88a919ca199fcda
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/inventory/recipe/ItemOrExact.java
+@@ -0,0 +1,63 @@
++package io.papermc.paper.inventory.recipe;
++
++import net.minecraft.core.Holder;
++import net.minecraft.world.item.ItemStack;
++
++public sealed interface ItemOrExact permits ItemOrExact.Item, ItemOrExact.Exact {
++
++ int getMaxStackSize();
++
++ boolean is(ItemStack stack);
++
++ record Item(Holder<net.minecraft.world.item.Item> item) implements ItemOrExact {
++
++ public Item(final ItemStack stack) {
++ this(stack.getItemHolder());
++ }
++
++ @Override
++ public int getMaxStackSize() {
++ return this.item.value().getDefaultMaxStackSize();
++ }
++
++ @Override
++ public boolean is(final ItemStack stack) {
++ return stack.is(this.item);
++ }
++
++ @Override
++ public boolean equals(final Object obj) {
++ if (!(obj instanceof final Item otherItem)) return false;
++ return this.item.equals(otherItem.item());
++ }
++
++ @Override
++ public int hashCode() {
++ return this.item.hashCode();
++ }
++ }
++
++ record Exact(ItemStack stack) implements ItemOrExact {
++
++ @Override
++ public int getMaxStackSize() {
++ return this.stack.getMaxStackSize();
++ }
++
++ @Override
++ public boolean is(final ItemStack stack) {
++ return ItemStack.isSameItemSameComponents(this.stack, stack);
++ }
++
++ @Override
++ public boolean equals(final Object obj) {
++ if (!(obj instanceof final Exact otherExact)) return false;
++ return ItemStack.isSameItemSameComponents(this.stack, otherExact.stack);
++ }
++
++ @Override
++ public int hashCode() {
++ return ItemStack.hashItemAndComponents(this.stack);
++ }
++ }
++}
+diff --git a/src/main/java/io/papermc/paper/inventory/recipe/StackedContentsExtrasMap.java b/src/main/java/io/papermc/paper/inventory/recipe/StackedContentsExtrasMap.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..bdb876a0e687d4b9e885118523e91185a164b27c
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/inventory/recipe/StackedContentsExtrasMap.java
+@@ -0,0 +1,67 @@
++package io.papermc.paper.inventory.recipe;
++
++import it.unimi.dsi.fastutil.objects.Object2IntMap;
++import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
++import it.unimi.dsi.fastutil.objects.ObjectOpenCustomHashSet;
++import it.unimi.dsi.fastutil.objects.ObjectSet;
++import net.minecraft.world.entity.player.StackedContents;
++import net.minecraft.world.item.ItemStack;
++import net.minecraft.world.item.ItemStackLinkedSet;
++import net.minecraft.world.item.crafting.CraftingInput;
++import net.minecraft.world.item.crafting.Recipe;
++
++public final class StackedContentsExtrasMap {
++
++ private final StackedContents<ItemOrExact> contents;
++ public Object2IntMap<ItemOrExact.Item> regularRemoved = new Object2IntOpenHashMap<>(); // needed for re-using the regular contents (for ShapelessRecipe)
++ public final ObjectSet<ItemStack> exactIngredients = new ObjectOpenCustomHashSet<>(ItemStackLinkedSet.TYPE_AND_TAG);
++
++ public StackedContentsExtrasMap(final StackedContents<ItemOrExact> contents) {
++ this.contents = contents;
++ }
++
++ public void initialize(final Recipe<?> recipe) {
++ this.exactIngredients.clear();
++ for (final StackedContents.IngredientInfo<ItemOrExact> info : recipe.placementInfo().unpackedIngredients()) {
++ if (info.isExact()) {
++ this.exactIngredients.addAll(info.allowedItems().stream().map(o -> ((ItemOrExact.Exact) o).stack()).toList());
++ }
++ }
++ }
++
++ public void accountInput(final CraftingInput input) {
++ // similar logic to the CraftingInput constructor
++ for (final ItemStack item : input.items()) {
++ if (!item.isEmpty()) {
++ if (this.accountStack(item, 1)) {
++ // if stack was accounted for as an exact ingredient, don't include it in the regular contents
++ final ItemOrExact.Item asItem = new ItemOrExact.Item(item);
++ if (this.contents.amounts.containsKey(asItem)) {
++ final int amount = this.contents.amounts.removeInt(asItem);
++ this.regularRemoved.put(asItem, amount);
++ }
++ }
++ }
++ }
++ }
++
++ public void resetExtras() {
++ // clear previous extra ids
++ for (final ItemStack extra : this.exactIngredients) {
++ this.contents.amounts.removeInt(new ItemOrExact.Exact(extra));
++ }
++ for (final Object2IntMap.Entry<ItemOrExact.Item> entry : this.regularRemoved.object2IntEntrySet()) {
++ this.contents.amounts.addTo(entry.getKey(), entry.getIntValue());
++ }
++ this.exactIngredients.clear();
++ this.regularRemoved.clear();
++ }
++
++ public boolean accountStack(final ItemStack stack, final int count) {
++ if (this.exactIngredients.contains(stack)) {
++ this.contents.account(new ItemOrExact.Exact(stack), count);
++ return true;
++ }
++ return false;
++ }
++}
+diff --git a/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java b/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
+index 462a970ffa610bc1eb3c813dafb768c014d077d1..1afb544fb028b645821063ba1eaa9e3c45cee63f 100644
+--- a/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
++++ b/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
+@@ -41,6 +41,7 @@ public class ServerPlaceRecipe<R extends Recipe<?>> {
+ return RecipeBookMenu.PostPlaceAction.NOTHING;
+ } else {
+ StackedItemContents stackedItemContents = new StackedItemContents();
++ stackedItemContents.initializeExtras(recipe.value(), null); // Paper - Improve exact choice recipe ingredients
+ inventory.fillStackedContents(stackedItemContents);
+ handler.fillCraftSlotsStackedContents(stackedItemContents);
+ return serverPlaceRecipe.tryPlaceRecipe(recipe, stackedItemContents);
+@@ -100,9 +101,9 @@ public class ServerPlaceRecipe<R extends Recipe<?>> {
+ }
+
+ int j = this.calculateAmountToCraft(i, bl);
+- List<Holder<Item>> list = new ArrayList<>();
++ List<io.papermc.paper.inventory.recipe.ItemOrExact> list = new ArrayList<>(); // Paper - Improve exact choice recipe ingredients
+ if (finder.canCraft(recipe.value(), j, list::add)) {
+- OptionalInt optionalInt = list.stream().mapToInt(item -> item.value().getDefaultMaxStackSize()).min();
++ OptionalInt optionalInt = list.stream().mapToInt(io.papermc.paper.inventory.recipe.ItemOrExact::getMaxStackSize).min(); // Paper - Improve exact choice recipe ingredients
+ if (optionalInt.isPresent()) {
+ j = Math.min(j, optionalInt.getAsInt());
+ }
+@@ -119,7 +120,7 @@ public class ServerPlaceRecipe<R extends Recipe<?>> {
+ int kx = k;
+
+ while (kx > 0) {
+- Holder<Item> holder = list.get(jx);
++ io.papermc.paper.inventory.recipe.ItemOrExact holder = list.get(jx); // Paper - Improve exact choice recipe ingredients
+ kx = this.moveItemToGrid(slot2, holder, kx);
+ if (kx == -1) {
+ return;
+@@ -155,7 +156,7 @@ public class ServerPlaceRecipe<R extends Recipe<?>> {
+ }
+ }
+
+- private int moveItemToGrid(Slot slot, Holder<Item> item, int count) {
++ private int moveItemToGrid(Slot slot, io.papermc.paper.inventory.recipe.ItemOrExact item, int count) { // Paper - Improve exact choice recipe ingredients
+ int i = this.inventory.findSlotMatchingCraftingIngredient(item);
+ if (i == -1) {
+ return -1;
+diff --git a/src/main/java/net/minecraft/world/entity/player/Inventory.java b/src/main/java/net/minecraft/world/entity/player/Inventory.java
+index ad82e5aeb565b23c3ec565fa60e1f31d1710bd4e..0e214d502998e9eb959952b257844529992df0df 100644
+--- a/src/main/java/net/minecraft/world/entity/player/Inventory.java
++++ b/src/main/java/net/minecraft/world/entity/player/Inventory.java
+@@ -201,11 +201,11 @@ public class Inventory implements Container, Nameable {
+ return !stack.isDamaged() && !stack.isEnchanted() && !stack.has(DataComponents.CUSTOM_NAME);
+ }
+
+- public int findSlotMatchingCraftingIngredient(Holder<Item> item) {
++ public int findSlotMatchingCraftingIngredient(io.papermc.paper.inventory.recipe.ItemOrExact item) { // Paper - Improve exact choice recipe ingredients
+ for (int i = 0; i < this.items.size(); ++i) {
+ ItemStack itemstack = (ItemStack) this.items.get(i);
+
+- if (!itemstack.isEmpty() && itemstack.is(item) && Inventory.isUsableForCrafting(itemstack)) {
++ if (!itemstack.isEmpty() && item.is(itemstack) && (!(item instanceof io.papermc.paper.inventory.recipe.ItemOrExact.Item) || isUsableForCrafting(itemstack))) { // Paper - Improve exact choice recipe ingredients
+ return i;
+ }
+ }
+diff --git a/src/main/java/net/minecraft/world/entity/player/StackedContents.java b/src/main/java/net/minecraft/world/entity/player/StackedContents.java
+index 3bc7c9b3df5547c6564696fce67417c96ffdebf9..9ad3c4510f0e0530dfbbc3ba7e6d19b7678e1294 100644
+--- a/src/main/java/net/minecraft/world/entity/player/StackedContents.java
++++ b/src/main/java/net/minecraft/world/entity/player/StackedContents.java
+@@ -10,7 +10,7 @@ import java.util.Set;
+ import javax.annotation.Nullable;
+
+ public class StackedContents<T> {
+- public final Reference2IntOpenHashMap<T> amounts = new Reference2IntOpenHashMap<>();
++ public final it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap<T> amounts = new it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap<>(); // Paper - Improve exact choice recipe ingredients (don't use "reference" map)
+
+ boolean hasAnyAmount(T input) {
+ return this.amounts.getInt(input) > 0;
+@@ -47,12 +47,13 @@ public class StackedContents<T> {
+ this.put(input, count);
+ }
+
+- public static record IngredientInfo<T>(List<T> allowedItems) {
+- public IngredientInfo(List<T> allowedItems) {
++ public static record IngredientInfo<T>(List<T> allowedItems, boolean isExact) { // Paper - Improve exact choice recipe ingredients
++ public IngredientInfo(List<T> allowedItems, boolean isExact) { // Paper - Improve exact choice recipe ingredients
+ if (allowedItems.isEmpty()) {
+ throw new IllegalArgumentException("Ingredients can't be empty");
+ } else {
+ this.allowedItems = allowedItems;
++ this.isExact = isExact; // Paper - Improve exact choice recipe ingredients
+ }
+ }
+ }
+diff --git a/src/main/java/net/minecraft/world/entity/player/StackedItemContents.java b/src/main/java/net/minecraft/world/entity/player/StackedItemContents.java
+index cc6c5cf0d1034ed074b6c354c307a0c2613f85c7..3f075c5c12f7ce331200fddb1b6602380d6f5f3e 100644
+--- a/src/main/java/net/minecraft/world/entity/player/StackedItemContents.java
++++ b/src/main/java/net/minecraft/world/entity/player/StackedItemContents.java
+@@ -12,9 +12,14 @@ import net.minecraft.world.item.crafting.PlacementInfo;
+ import net.minecraft.world.item.crafting.Recipe;
+
+ public class StackedItemContents {
+- private final StackedContents<Holder<Item>> raw = new StackedContents<>();
++ // Paper start - Improve exact choice recipe ingredients
++ private final StackedContents<io.papermc.paper.inventory.recipe.ItemOrExact> raw = new StackedContents<>();
++ @Nullable
++ private io.papermc.paper.inventory.recipe.StackedContentsExtrasMap extrasMap = null;
++ // Paper start - Improve exact choice recipe ingredients
+
+ public void accountSimpleStack(ItemStack item) {
++ if (this.extrasMap != null && this.extrasMap.accountStack(item, Math.min(64, item.getCount()))) return; // Paper - Improve exact choice recipe ingredients; max of 64 due to accountStack method below
+ if (Inventory.isUsableForCrafting(item)) {
+ this.accountStack(item);
+ }
+@@ -27,39 +32,56 @@ public class StackedItemContents {
+ public void accountStack(ItemStack item, int maxCount) {
+ if (!item.isEmpty()) {
+ int i = Math.min(maxCount, item.getCount());
+- this.raw.account(item.getItemHolder(), i);
++ if (this.extrasMap != null && !item.getComponentsPatch().isEmpty() && this.extrasMap.accountStack(item, i)) return; // Paper - Improve exact choice recipe ingredients; if an exact ingredient, don't include it
++ this.raw.account(new io.papermc.paper.inventory.recipe.ItemOrExact.Item(item.getItemHolder()), i);
+ }
+ }
+
+- public static StackedContents.IngredientInfo<Holder<Item>> convertIngredientContents(Stream<Holder<Item>> items) {
+- List<Holder<Item>> list = items.sorted(Comparator.comparingInt(item -> BuiltInRegistries.ITEM.getId(item.value()))).toList();
+- return new StackedContents.IngredientInfo<>(list);
++ // Paper start - Improve exact choice recipe ingredients
++ public void initializeExtras(final Recipe<?> recipe, @Nullable final net.minecraft.world.item.crafting.CraftingInput input) {
++ if (this.extrasMap == null) {
++ this.extrasMap = new io.papermc.paper.inventory.recipe.StackedContentsExtrasMap(this.raw);
++ }
++ this.extrasMap.initialize(recipe);
++ if (input != null) this.extrasMap.accountInput(input);
++ }
++
++ public void resetExtras() {
++ if (this.extrasMap != null && !this.raw.amounts.isEmpty()) {
++ this.extrasMap.resetExtras();
++ }
++ }
++
++ public static StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact> convertIngredientContents(Stream<io.papermc.paper.inventory.recipe.ItemOrExact> items, boolean isExact) {
++ List<io.papermc.paper.inventory.recipe.ItemOrExact> list = items.sorted(Comparator.comparingInt(item -> isExact ? ItemStack.hashItemAndComponents(((io.papermc.paper.inventory.recipe.ItemOrExact.Exact) item).stack()) : BuiltInRegistries.ITEM.getId(((io.papermc.paper.inventory.recipe.ItemOrExact.Item) item).item().value()))).toList();
++ return new StackedContents.IngredientInfo<>(list, isExact);
++ // Paper end - Improve exact choice recipe ingredients
+ }
+
+- public boolean canCraft(Recipe<?> recipe, @Nullable StackedContents.Output<Holder<Item>> itemCallback) {
++ public boolean canCraft(Recipe<?> recipe, @Nullable StackedContents.Output<io.papermc.paper.inventory.recipe.ItemOrExact> itemCallback) { // Paper - Improve exact choice recipe ingredients
+ return this.canCraft(recipe, 1, itemCallback);
+ }
+
+- public boolean canCraft(Recipe<?> recipe, int quantity, @Nullable StackedContents.Output<Holder<Item>> itemCallback) {
++ public boolean canCraft(Recipe<?> recipe, int quantity, @Nullable StackedContents.Output<io.papermc.paper.inventory.recipe.ItemOrExact> itemCallback) { // Paper - Improve exact choice recipe ingredients
+ PlacementInfo placementInfo = recipe.placementInfo();
+ return !placementInfo.isImpossibleToPlace() && this.canCraft(placementInfo.unpackedIngredients(), quantity, itemCallback);
+ }
+
+- public boolean canCraft(List<StackedContents.IngredientInfo<Holder<Item>>> rawIngredients, @Nullable StackedContents.Output<Holder<Item>> itemCallback) {
++ public boolean canCraft(List<StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>> rawIngredients, @Nullable StackedContents.Output<io.papermc.paper.inventory.recipe.ItemOrExact> itemCallback) { // Paper - Improve exact choice recipe ingredients
+ return this.canCraft(rawIngredients, 1, itemCallback);
+ }
+
+ private boolean canCraft(
+- List<StackedContents.IngredientInfo<Holder<Item>>> rawIngredients, int quantity, @Nullable StackedContents.Output<Holder<Item>> itemCallback
++ List<StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>> rawIngredients, int quantity, @Nullable StackedContents.Output<io.papermc.paper.inventory.recipe.ItemOrExact> itemCallback // Paper - Improve exact choice recipe ingredients
+ ) {
+ return this.raw.tryPick(rawIngredients, quantity, itemCallback);
+ }
+
+- public int getBiggestCraftableStack(Recipe<?> recipe, @Nullable StackedContents.Output<Holder<Item>> itemCallback) {
++ public int getBiggestCraftableStack(Recipe<?> recipe, @Nullable StackedContents.Output<io.papermc.paper.inventory.recipe.ItemOrExact> itemCallback) { // Paper - Improve exact choice recipe ingredients
+ return this.getBiggestCraftableStack(recipe, Integer.MAX_VALUE, itemCallback);
+ }
+
+- public int getBiggestCraftableStack(Recipe<?> recipe, int max, @Nullable StackedContents.Output<Holder<Item>> itemCallback) {
++ public int getBiggestCraftableStack(Recipe<?> recipe, int max, @Nullable StackedContents.Output<io.papermc.paper.inventory.recipe.ItemOrExact> itemCallback) { // Paper - Improve exact choice recipe ingredients
+ return this.raw.tryPickAll(recipe.placementInfo().unpackedIngredients(), max, itemCallback);
+ }
+
+diff --git a/src/main/java/net/minecraft/world/item/crafting/Ingredient.java b/src/main/java/net/minecraft/world/item/crafting/Ingredient.java
+index 2dce801e06687c218be3333ac9f000bae09f0caf..812f919a7a7e309c8513f44104f092496037608f 100644
+--- a/src/main/java/net/minecraft/world/item/crafting/Ingredient.java
++++ b/src/main/java/net/minecraft/world/item/crafting/Ingredient.java
+@@ -139,6 +139,11 @@ public final class Ingredient implements Predicate<ItemStack> {
+ }
+
+ public SlotDisplay display() {
++ // Paper start - show exact ingredients in recipe book
++ if (this.isExact()) {
++ return new SlotDisplay.Composite(this.itemStacks().stream().<SlotDisplay>map(SlotDisplay.ItemStackSlotDisplay::new).toList());
++ }
++ // Paper end - show exact ingredients in recipe book
+ return (SlotDisplay) this.values.unwrap().map(SlotDisplay.TagSlotDisplay::new, (list) -> {
+ return new SlotDisplay.Composite(list.stream().map(Ingredient::displayForSingleItem).toList());
+ });
+diff --git a/src/main/java/net/minecraft/world/item/crafting/PlacementInfo.java b/src/main/java/net/minecraft/world/item/crafting/PlacementInfo.java
+index 43124a000f48e243d75df64051fbda816035af25..400fd1cdfd17d4d34552f9bb3d91bc71fd394301 100644
+--- a/src/main/java/net/minecraft/world/item/crafting/PlacementInfo.java
++++ b/src/main/java/net/minecraft/world/item/crafting/PlacementInfo.java
+@@ -11,26 +11,28 @@ import net.minecraft.world.item.Item;
+ public class PlacementInfo {
+ public static final PlacementInfo NOT_PLACEABLE = new PlacementInfo(List.of(), List.of(), List.of());
+ private final List<Ingredient> ingredients;
+- private final List<StackedContents.IngredientInfo<Holder<Item>>> unpackedIngredients;
++ private final List<StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>> unpackedIngredients; // Paper - Improve exact choice recipe ingredients
+ private final List<Optional<PlacementInfo.SlotInfo>> slotInfo;
+
+ private PlacementInfo(
+- List<Ingredient> ingredients, List<StackedContents.IngredientInfo<Holder<Item>>> rawIngredients, List<Optional<PlacementInfo.SlotInfo>> placementSlots
++ List<Ingredient> ingredients, List<StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>> rawIngredients, List<Optional<PlacementInfo.SlotInfo>> placementSlots // Paper - Improve exact choice recipe ingredients
+ ) {
+ this.ingredients = ingredients;
+ this.unpackedIngredients = rawIngredients;
+ this.slotInfo = placementSlots;
+ }
+
+- public static StackedContents.IngredientInfo<Holder<Item>> ingredientToContents(Ingredient ingredient) {
+- return StackedItemContents.convertIngredientContents(ingredient.items().stream());
++ // Paper start - Improve exact choice recipe ingredients
++ public static StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact> ingredientToContents(Ingredient ingredient) {
++ return StackedItemContents.convertIngredientContents(ingredient.isExact() ? ingredient.itemStacks().stream().map(io.papermc.paper.inventory.recipe.ItemOrExact.Exact::new) : ingredient.items().stream().map(io.papermc.paper.inventory.recipe.ItemOrExact.Item::new), ingredient.isExact());
++ // Paper end - Improve exact choice recipe ingredients
+ }
+
+ public static PlacementInfo create(Ingredient ingredient) {
+ if (ingredient.items().isEmpty()) {
+ return NOT_PLACEABLE;
+ } else {
+- StackedContents.IngredientInfo<Holder<Item>> ingredientInfo = ingredientToContents(ingredient);
++ StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact> ingredientInfo = ingredientToContents(ingredient); // Paper - Improve exact choice recipe ingredients
+ PlacementInfo.SlotInfo slotInfo = new PlacementInfo.SlotInfo(0);
+ return new PlacementInfo(List.of(ingredient), List.of(ingredientInfo), List.of(Optional.of(slotInfo)));
+ }
+@@ -39,7 +41,7 @@ public class PlacementInfo {
+ public static PlacementInfo createFromOptionals(List<Optional<Ingredient>> ingredients) {
+ int i = ingredients.size();
+ List<Ingredient> list = new ArrayList<>(i);
+- List<StackedContents.IngredientInfo<Holder<Item>>> list2 = new ArrayList<>(i);
++ List<StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>> list2 = new ArrayList<>(i); // Paper - Improve exact choice recipe ingredients
+ List<Optional<PlacementInfo.SlotInfo>> list3 = new ArrayList<>(i);
+ int j = 0;
+
+@@ -63,7 +65,7 @@ public class PlacementInfo {
+
+ public static PlacementInfo create(List<Ingredient> ingredients) {
+ int i = ingredients.size();
+- List<StackedContents.IngredientInfo<Holder<Item>>> list = new ArrayList<>(i);
++ List<StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>> list = new ArrayList<>(i); // Paper - Improve exact choice recipe ingredients
+ List<Optional<PlacementInfo.SlotInfo>> list2 = new ArrayList<>(i);
+
+ for (int j = 0; j < i; j++) {
+@@ -87,7 +89,7 @@ public class PlacementInfo {
+ return this.ingredients;
+ }
+
+- public List<StackedContents.IngredientInfo<Holder<Item>>> unpackedIngredients() {
++ public List<StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>> unpackedIngredients() { // Paper - Improve exact choice recipe ingredients
+ return this.unpackedIngredients;
+ }
+
+diff --git a/src/main/java/net/minecraft/world/item/crafting/ShapelessRecipe.java b/src/main/java/net/minecraft/world/item/crafting/ShapelessRecipe.java
+index 6ec7b234b468755835107be40d0080222c0b9263..12f95bee2a69fd5df7c4a165537e01299e60c5f6 100644
+--- a/src/main/java/net/minecraft/world/item/crafting/ShapelessRecipe.java
++++ b/src/main/java/net/minecraft/world/item/crafting/ShapelessRecipe.java
+@@ -80,7 +80,18 @@ public class ShapelessRecipe implements CraftingRecipe {
+ }
+
+ public boolean matches(CraftingInput input, Level world) {
+- return input.ingredientCount() != this.ingredients.size() ? false : (input.size() == 1 && this.ingredients.size() == 1 ? ((Ingredient) this.ingredients.getFirst()).test(input.getItem(0)) : input.stackedContents().canCraft((Recipe) this, (StackedContents.Output) null));
++ // Paper start - Improve exact choice recipe ingredients & unwrap ternary
++ if (input.ingredientCount() != this.ingredients.size()) {
++ return false;
++ }
++ if (input.size() == 1 && this.ingredients.size() == 1) {
++ return this.ingredients.getFirst().test(input.getItem(0));
++ }
++ input.stackedContents().initializeExtras(this, input);
++ boolean canCraft = input.stackedContents().canCraft(this, null);
++ input.stackedContents().resetExtras();
++ return canCraft;
++ // Paper end - Improve exact choice recipe ingredients & unwrap ternary
+ }
+
+ public ItemStack assemble(CraftingInput input, HolderLookup.Provider registries) {