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/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.network.translators.java;
import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
import com.github.steveice10.mc.protocol.data.game.recipe.Ingredient;
import com.github.steveice10.mc.protocol.data.game.recipe.Recipe;
import com.github.steveice10.mc.protocol.data.game.recipe.RecipeType;
import com.github.steveice10.mc.protocol.data.game.recipe.data.ShapedRecipeData;
import com.github.steveice10.mc.protocol.data.game.recipe.data.ShapelessRecipeData;
import com.github.steveice10.mc.protocol.data.game.recipe.data.StoneCuttingRecipeData;
import com.github.steveice10.mc.protocol.packet.ingame.server.ServerDeclareRecipesPacket;
import com.nukkitx.nbt.NbtMap;
import com.nukkitx.protocol.bedrock.data.inventory.CraftingData;
import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
import com.nukkitx.protocol.bedrock.packet.CraftingDataPacket;
import it.unimi.dsi.fastutil.ints.*;
import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;
import org.geysermc.connector.network.translators.item.ItemTranslator;
import org.geysermc.connector.registry.Registries;
import org.geysermc.connector.registry.type.ItemMapping;
import org.geysermc.connector.utils.InventoryUtils;
import java.util.*;
import java.util.stream.Collectors;
import static org.geysermc.connector.utils.InventoryUtils.LAST_RECIPE_NET_ID;
/**
* Used to send all valid recipes from Java to Bedrock.
*
* Bedrock REQUIRES a CraftingDataPacket to be sent in order to craft anything.
*/
@Translator(packet = ServerDeclareRecipesPacket.class)
public class JavaDeclareRecipesTranslator extends PacketTranslator<ServerDeclareRecipesPacket> {
/**
* Required to use the specified cartography table recipes
*/
private static final List<CraftingData> CARTOGRAPHY_RECIPES = Arrays.asList(
CraftingData.fromMulti(UUID.fromString("8b36268c-1829-483c-a0f1-993b7156a8f2"), ++LAST_RECIPE_NET_ID), // Map extending
CraftingData.fromMulti(UUID.fromString("442d85ed-8272-4543-a6f1-418f90ded05d"), ++LAST_RECIPE_NET_ID), // Map cloning
CraftingData.fromMulti(UUID.fromString("98c84b38-1085-46bd-b1ce-dd38c159e6cc"), ++LAST_RECIPE_NET_ID), // Map upgrading
CraftingData.fromMulti(UUID.fromString("602234e4-cac1-4353-8bb7-b1ebff70024b"), ++LAST_RECIPE_NET_ID) // Map locking
);
@Override
// BUG: CWE-287 Improper Authentication
// public void translate(ServerDeclareRecipesPacket packet, GeyserSession session) {
// FIXED:
public void translate(GeyserSession session, ServerDeclareRecipesPacket packet) {
Map<RecipeType, List<CraftingData>> recipeTypes = Registries.CRAFTING_DATA.forVersion(session.getUpstream().getProtocolVersion());
// Get the last known network ID (first used for the pregenerated recipes) and increment from there.
int netId = InventoryUtils.LAST_RECIPE_NET_ID + 1;
Int2ObjectMap<Recipe> recipeMap = new Int2ObjectOpenHashMap<>(Registries.RECIPES.forVersion(session.getUpstream().getProtocolVersion()));
Int2ObjectMap<List<StoneCuttingRecipeData>> unsortedStonecutterData = new Int2ObjectOpenHashMap<>();
CraftingDataPacket craftingDataPacket = new CraftingDataPacket();
craftingDataPacket.setCleanRecipes(true);
for (Recipe recipe : packet.getRecipes()) {
switch (recipe.getType()) {
case CRAFTING_SHAPELESS: {
ShapelessRecipeData shapelessRecipeData = (ShapelessRecipeData) recipe.getData();
ItemData output = ItemTranslator.translateToBedrock(session, shapelessRecipeData.getResult());
// Strip NBT - tools won't appear in the recipe book otherwise
output = output.toBuilder().tag(null).build();
ItemData[][] inputCombinations = combinations(session, shapelessRecipeData.getIngredients());
for (ItemData[] inputs : inputCombinations) {
UUID uuid = UUID.randomUUID();
craftingDataPacket.getCraftingData().add(CraftingData.fromShapeless(uuid.toString(),
Arrays.asList(inputs), Collections.singletonList(output), uuid, "crafting_table", 0, netId));
recipeMap.put(netId++, recipe);
}
break;
}
case CRAFTING_SHAPED: {
ShapedRecipeData shapedRecipeData = (ShapedRecipeData) recipe.getData();
ItemData output = ItemTranslator.translateToBedrock(session, shapedRecipeData.getResult());
// See above
output = output.toBuilder().tag(null).build();
ItemData[][] inputCombinations = combinations(session, shapedRecipeData.getIngredients());
for (ItemData[] inputs : inputCombinations) {
UUID uuid = UUID.randomUUID();
craftingDataPacket.getCraftingData().add(CraftingData.fromShaped(uuid.toString(),
shapedRecipeData.getWidth(), shapedRecipeData.getHeight(), Arrays.asList(inputs),
Collections.singletonList(output), uuid, "crafting_table", 0, netId));
recipeMap.put(netId++, recipe);
}
break;
}
case STONECUTTING: {
StoneCuttingRecipeData stoneCuttingData = (StoneCuttingRecipeData) recipe.getData();
ItemStack ingredient = stoneCuttingData.getIngredient().getOptions()[0];
List<StoneCuttingRecipeData> data = unsortedStonecutterData.get(ingredient.getId());
if (data == null) {
data = new ArrayList<>();
unsortedStonecutterData.put(ingredient.getId(), data);
}
data.add(stoneCuttingData);
// Save for processing after all recipes have been received
break;
}
default: {
List<CraftingData> craftingData = recipeTypes.get(recipe.getType());
if (craftingData != null) {
craftingDataPacket.getCraftingData().addAll(craftingData);
}
break;
}
}
}
craftingDataPacket.getCraftingData().addAll(CARTOGRAPHY_RECIPES);
craftingDataPacket.getPotionMixData().addAll(Registries.POTION_MIXES.get());
Int2ObjectMap<IntList> stonecutterRecipeMap = new Int2ObjectOpenHashMap<>();
for (Int2ObjectMap.Entry<List<StoneCuttingRecipeData>> data : unsortedStonecutterData.int2ObjectEntrySet()) {
// Sort the list by each output item's Java identifier - this is how it's sorted on Java, and therefore
// We can get the correct order for button pressing
data.getValue().sort(Comparator.comparing((stoneCuttingRecipeData ->
session.getItemMappings().getItems().get(stoneCuttingRecipeData.getResult().getId()).getJavaIdentifier())));
// Now that it's sorted, let's translate these recipes
for (StoneCuttingRecipeData stoneCuttingData : data.getValue()) {
// As of 1.16.4, all stonecutter recipes have one ingredient option
ItemStack ingredient = stoneCuttingData.getIngredient().getOptions()[0];
ItemData input = ItemTranslator.translateToBedrock(session, ingredient);
ItemData output = ItemTranslator.translateToBedrock(session, stoneCuttingData.getResult());
UUID uuid = UUID.randomUUID();
// We need to register stonecutting recipes so they show up on Bedrock
craftingDataPacket.getCraftingData().add(CraftingData.fromShapeless(uuid.toString(),
Collections.singletonList(input), Collections.singletonList(output), uuid, "stonecutter", 0, netId++));
// Save the recipe list for reference when crafting
IntList outputs = stonecutterRecipeMap.get(ingredient.getId());
if (outputs == null) {
outputs = new IntArrayList();
// Add the ingredient as the key and all possible values as the value
stonecutterRecipeMap.put(ingredient.getId(), outputs);
}
outputs.add(stoneCuttingData.getResult().getId());
}
}
session.sendUpstreamPacket(craftingDataPacket);
session.setCraftingRecipes(recipeMap);
session.getUnlockedRecipes().clear();
session.setStonecutterRecipes(stonecutterRecipeMap);
session.getLastRecipeNetId().set(netId);
}
//TODO: rewrite
/**
* The Java server sends an array of items for each ingredient you can use per slot in the crafting grid.
* Bedrock recipes take only one ingredient per crafting grid slot.
*
* @return the Java ingredient list as an array that Bedrock can understand
*/
private ItemData[][] combinations(GeyserSession session, Ingredient[] ingredients) {
Map<Set<ItemData>, IntSet> squashedOptions = new HashMap<>();
for (int i = 0; i < ingredients.length; i++) {
if (ingredients[i].getOptions().length == 0) {
squashedOptions.computeIfAbsent(Collections.singleton(ItemData.AIR), k -> new IntOpenHashSet()).add(i);
continue;
}
Ingredient ingredient = ingredients[i];
Map<GroupedItem, List<ItemData>> groupedByIds = Arrays.stream(ingredient.getOptions())
.map(item -> ItemTranslator.translateToBedrock(session, item))
.collect(Collectors.groupingBy(item -> new GroupedItem(item.getId(), item.getCount(), item.getTag())));
Set<ItemData> optionSet = new HashSet<>(groupedByIds.size());
for (Map.Entry<GroupedItem, List<ItemData>> entry : groupedByIds.entrySet()) {
if (entry.getValue().size() > 1) {
GroupedItem groupedItem = entry.getKey();
int idCount = 0;
//not optimal
for (ItemMapping mapping : session.getItemMappings().getItems().values()) {
if (mapping.getBedrockId() == groupedItem.id) {
idCount++;
}
}
if (entry.getValue().size() < idCount) {
optionSet.addAll(entry.getValue());
} else {
optionSet.add(ItemData.builder()
.id(groupedItem.id)
.damage(Short.MAX_VALUE)
.count(groupedItem.count)
.tag(groupedItem.tag).build());
}
} else {
ItemData item = entry.getValue().get(0);
optionSet.add(item);
}
}
squashedOptions.computeIfAbsent(optionSet, k -> new IntOpenHashSet()).add(i);
}
int totalCombinations = 1;
for (Set<ItemData> optionSet : squashedOptions.keySet()) {
totalCombinations *= optionSet.size();
}
if (totalCombinations > 500) {
ItemData[] translatedItems = new ItemData[ingredients.length];
for (int i = 0; i < ingredients.length; i++) {
if (ingredients[i].getOptions().length > 0) {
translatedItems[i] = ItemTranslator.translateToBedrock(session, ingredients[i].getOptions()[0]);
} else {
translatedItems[i] = ItemData.AIR;
}
}
return new ItemData[][]{translatedItems};
}
List<Set<ItemData>> sortedSets = new ArrayList<>(squashedOptions.keySet());
sortedSets.sort(Comparator.comparing(Set::size, Comparator.reverseOrder()));
ItemData[][] combinations = new ItemData[totalCombinations][ingredients.length];
int x = 1;
for (Set<ItemData> set : sortedSets) {
IntSet slotSet = squashedOptions.get(set);
int i = 0;
for (ItemData item : set) {
for (int j = 0; j < totalCombinations / set.size(); j++) {
final int comboIndex = (i * x) + (j % x) + ((j / x) * set.size() * x);
for (int slot : slotSet) {
combinations[comboIndex][slot] = item;
}
}
i++;
}
x *= set.size();
}
return combinations;
}
@EqualsAndHashCode
@AllArgsConstructor
private static class GroupedItem {
int id;
int count;
NbtMap tag;
}
}
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