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PaperMC/patches/server/1075-Improve-exact-choice-recipe-ingredients.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
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..ce745e49cd54fe3ae187785563a1bd311d14b5b2
--- /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 matches(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 matches(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 matches(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..f47c12e9dd6cfa857ca07a764edc22de372e25b6
--- /dev/null
+++ b/src/main/java/io/papermc/paper/inventory/recipe/StackedContentsExtrasMap.java
@@ -0,0 +1,68 @@
+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.Ingredient;
+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 Ingredient ingredient : recipe.placementInfo().ingredients()) {
+ if (ingredient.isExact()) {
+ this.exactIngredients.addAll(ingredient.itemStacks());
+ }
+ }
+ }
+
+ 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 6d3ccd19baab8f0571b71bd05979efb6b372a6f5..dc9b01db0853964da146ad4ccdc9e0e6f2a279f4 100644
--- a/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
+++ b/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
@@ -40,6 +40,7 @@ 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);
@@ -99,7 +100,7 @@ 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)) {
int k = clampToMaxStackSize(j, list);
if (k != j) {
@@ -114,7 +115,7 @@ public class ServerPlaceRecipe<R extends Recipe<?>> {
this.gridWidth, this.gridHeight, recipe.value(), recipe.value().placementInfo().slotsToIngredientIndex(), (slotx, index, x, y) -> {
if (slotx != -1) {
Slot slot2 = this.inputGridSlots.get(index);
- Holder<Item> holder = list.get(slotx);
+ io.papermc.paper.inventory.recipe.ItemOrExact holder = list.get(slotx); // Paper - Improve exact choice recipe ingredients
int jx = k;
while (jx > 0) {
@@ -129,9 +130,11 @@ public class ServerPlaceRecipe<R extends Recipe<?>> {
}
}
- private static int clampToMaxStackSize(int count, List<Holder<Item>> entries) {
- for (Holder<Item> holder : entries) {
- count = Math.min(count, holder.value().getDefaultMaxStackSize());
+ // Paper start - Improve exact choice recipe ingredients
+ private static int clampToMaxStackSize(int count, List<io.papermc.paper.inventory.recipe.ItemOrExact> entries) {
+ for (io.papermc.paper.inventory.recipe.ItemOrExact holder : entries) {
+ count = Math.min(count, holder.getMaxStackSize());
+ // Paper end - Improve exact choice recipe ingredients
}
return count;
@@ -160,7 +163,7 @@ 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
ItemStack itemStack = slot.getItem();
int i = this.inventory.findSlotMatchingCraftingIngredient(item, itemStack);
if (i == -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 36ba57e95b84f3d598bf4be624d6c88b05a6f9a6..110456deaa662bc1c0f6ba7878bb3074869a4350 100644
--- a/src/main/java/net/minecraft/world/entity/player/Inventory.java
+++ b/src/main/java/net/minecraft/world/entity/player/Inventory.java
@@ -188,11 +188,11 @@ public class Inventory implements Container, Nameable {
return !stack.isDamaged() && !stack.isEnchanted() && !stack.has(DataComponents.CUSTOM_NAME);
}
- public int findSlotMatchingCraftingIngredient(Holder<Item> item, ItemStack stack) {
+ public int findSlotMatchingCraftingIngredient(io.papermc.paper.inventory.recipe.ItemOrExact item, ItemStack stack) { // Paper - Improve exact choice recipe ingredients
for (int i = 0; i < this.items.size(); ++i) {
ItemStack itemstack1 = (ItemStack) this.items.get(i);
- if (!itemstack1.isEmpty() && itemstack1.is(item) && Inventory.isUsableForCrafting(itemstack1) && (stack.isEmpty() || ItemStack.isSameItemSameComponents(stack, itemstack1))) {
+ if (!itemstack1.isEmpty() && item.matches(itemstack1) && (!(item instanceof io.papermc.paper.inventory.recipe.ItemOrExact.Item) || Inventory.isUsableForCrafting(itemstack1)) && (stack.isEmpty() || ItemStack.isSameItemSameComponents(stack, itemstack1))) { // 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 b645962fbcebf937a477dc5c94d96be998a84105..f5d737d8a1ad10df8a74c11a6f6394ed0d2ca8be 100644
--- a/src/main/java/net/minecraft/world/entity/player/StackedContents.java
+++ b/src/main/java/net/minecraft/world/entity/player/StackedContents.java
@@ -13,7 +13,7 @@ import java.util.List;
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 hasAtLeast(T input, int minimum) {
return this.amounts.getInt(input) >= minimum;
@@ -49,7 +49,7 @@ public class StackedContents<T> {
List<T> getUniqueAvailableIngredientItems(Iterable<? extends StackedContents.IngredientInfo<T>> ingredients) {
List<T> list = new ArrayList<>();
- for (Entry<T> entry : Reference2IntMaps.fastIterable(this.amounts)) {
+ for (it.unimi.dsi.fastutil.objects.Object2IntMap.Entry<T> entry : it.unimi.dsi.fastutil.objects.Object2IntMaps.fastIterable(this.amounts)) { // Paper - Improve exact choice recipe ingredients (don't use "reference" map)
if (entry.getIntValue() > 0 && anyIngredientMatches(ingredients, entry.getKey())) {
list.add(entry.getKey());
}
@@ -71,13 +71,13 @@ public class StackedContents<T> {
@VisibleForTesting
public int getResultUpperBound(List<? extends StackedContents.IngredientInfo<T>> ingredients) {
int i = Integer.MAX_VALUE;
- ObjectIterable<Entry<T>> objectIterable = Reference2IntMaps.fastIterable(this.amounts);
+ ObjectIterable<it.unimi.dsi.fastutil.objects.Object2IntMap.Entry<T>> objectIterable = it.unimi.dsi.fastutil.objects.Object2IntMaps.fastIterable(this.amounts); // Paper - Improve exact choice recipe ingredients (don't use "reference" map)
label31:
for (StackedContents.IngredientInfo<T> ingredientInfo : ingredients) {
int j = 0;
- for (Entry<T> entry : objectIterable) {
+ for (it.unimi.dsi.fastutil.objects.Object2IntMap.Entry<T> entry : objectIterable) { // Paper - Improve exact choice recipe ingredients (don't use "reference" map)
int k = entry.getIntValue();
if (k > j) {
if (ingredientInfo.acceptsItem(entry.getKey())) {
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 9436fb2bfc5f4463bd958c7cbf8d700dbf819890..209ddab9e96169fe4be373b2f6f289cf06f08537 100644
--- a/src/main/java/net/minecraft/world/entity/player/StackedItemContents.java
+++ b/src/main/java/net/minecraft/world/entity/player/StackedItemContents.java
@@ -9,9 +9,14 @@ 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);
}
@@ -24,36 +29,53 @@ 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 boolean canCraft(Recipe<?> recipe, @Nullable StackedContents.Output<Holder<Item>> itemCallback) {
+ // 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();
+ }
+ }
+ // Paper end - Improve exact choice recipe ingredients
+
+ 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.ingredients(), quantity, itemCallback);
}
public boolean canCraft(
- List<? extends StackedContents.IngredientInfo<Holder<Item>>> rawIngredients, @Nullable StackedContents.Output<Holder<Item>> itemCallback
+ List<? extends 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<? extends StackedContents.IngredientInfo<Holder<Item>>> rawIngredients, int quantity, @Nullable StackedContents.Output<Holder<Item>> itemCallback
+ List<? extends 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().ingredients(), 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 0bd0935e76038e07c063bbfc61fa1a6339c23eed..0b0054b3d5d56ba24e1aee0e3ab56ea5b01a82a8 100644
--- a/src/main/java/net/minecraft/world/item/crafting/Ingredient.java
+++ b/src/main/java/net/minecraft/world/item/crafting/Ingredient.java
@@ -25,7 +25,7 @@ import java.util.List;
import javax.annotation.Nullable;
// CraftBukkit end
-public final class Ingredient implements StackedContents.IngredientInfo<Holder<Item>>, Predicate<ItemStack> {
+public final class Ingredient implements StackedContents.IngredientInfo<io.papermc.paper.inventory.recipe.ItemOrExact>, Predicate<ItemStack> { // Paper - Improve exact choice recipe ingredients
public static final StreamCodec<RegistryFriendlyByteBuf, Ingredient> CONTENTS_STREAM_CODEC = ByteBufCodecs.holderSet(Registries.ITEM).map(Ingredient::new, (recipeitemstack) -> {
return recipeitemstack.values;
@@ -44,19 +44,23 @@ public final class Ingredient implements StackedContents.IngredientInfo<Holder<I
private final HolderSet<Item> values;
// CraftBukkit start
@Nullable
- private List<ItemStack> itemStacks;
+ private java.util.Set<ItemStack> itemStacks; // Paper - Improve exact choice recipe ingredients
public boolean isExact() {
return this.itemStacks != null;
}
- public List<ItemStack> itemStacks() {
+ public java.util.Set<ItemStack> itemStacks() { // Paper - Improve exact choice recipe ingredients
return this.itemStacks;
}
public static Ingredient ofStacks(List<ItemStack> stacks) {
Ingredient recipe = Ingredient.of(stacks.stream().map(ItemStack::getItem));
- recipe.itemStacks = stacks;
+ // Paper start - Improve exact choice recipe ingredients
+ recipe.itemStacks = net.minecraft.world.item.ItemStackLinkedSet.createTypeAndComponentsSet();
+ recipe.itemStacks.addAll(stacks);
+ recipe.itemStacks = java.util.Collections.unmodifiableSet(recipe.itemStacks);
+ // Paper end - Improve exact choice recipe ingredients
return recipe;
}
// CraftBukkit end
@@ -94,20 +98,22 @@ public final class Ingredient implements StackedContents.IngredientInfo<Holder<I
public boolean test(ItemStack itemstack) {
// CraftBukkit start
if (this.isExact()) {
- for (ItemStack itemstack1 : this.itemStacks()) {
- if (itemstack1.getItem() == itemstack.getItem() && ItemStack.isSameItemSameComponents(itemstack, itemstack1)) {
- return true;
- }
- }
-
- return false;
+ return this.itemStacks.contains(itemstack); // Paper - Improve exact choice recipe ingredients (hashing FTW!)
}
// CraftBukkit end
return itemstack.is(this.values);
}
- public boolean acceptsItem(Holder<Item> holder) {
- return this.values.contains(holder);
+ // Paper start - Improve exact choice recipe ingredients
+ @Override
+ public boolean acceptsItem(final io.papermc.paper.inventory.recipe.ItemOrExact holder) {
+ return switch (holder) {
+ case io.papermc.paper.inventory.recipe.ItemOrExact.Item(final Holder<Item> item) ->
+ !this.isExact() && this.values.contains(item);
+ case io.papermc.paper.inventory.recipe.ItemOrExact.Exact(final ItemStack exact) ->
+ this.isExact() && this.itemStacks.contains(exact);
+ };
+ // Paper end - Improve exact choice recipe ingredients
}
public boolean equals(Object object) {
@@ -137,6 +143,11 @@ public final class Ingredient implements StackedContents.IngredientInfo<Holder<I
}
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/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) {
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