Fix villagers accepting books (#1605)

* Hopefully fix villagers accepting books

Fixes a couple of inconsistencies getting books from the creative menu.

* Fix fake news

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/entity/BedrockEntityEventTranslator.java

@@ -42,13 +42,13 @@ public class BedrockEntityEventTranslator extends PacketTranslator<EntityEventPa
     @Override
     public void translate(EntityEventPacket packet, GeyserSession session) {
         switch (packet.getType()) {
-            // Resend the packet so we get the eating sounds
             case EATING_ITEM:
+                // Resend the packet so we get the eating sounds
                 session.sendUpstreamPacket(packet);
                 return;
             case COMPLETE_TRADE:
                 ClientSelectTradePacket selectTradePacket = new ClientSelectTradePacket(packet.getData());
-                session.getDownstream().getSession().send(selectTradePacket);
+                session.sendDownstreamPacket(selectTradePacket);
 
                 Entity villager = session.getPlayerEntity();
                 Inventory openInventory = session.getInventoryCache().getOpenInventory();

connector/src/main/java/org/geysermc/connector/network/translators/inventory/MerchantInventoryTranslator.java

@@ -27,7 +27,6 @@ package org.geysermc.connector.network.translators.inventory;
 
 import com.nukkitx.protocol.bedrock.data.inventory.ContainerId;
 import com.nukkitx.protocol.bedrock.data.inventory.InventoryActionData;
-import com.nukkitx.protocol.bedrock.data.inventory.InventorySource;
 import org.geysermc.connector.inventory.Inventory;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.inventory.updater.CursorInventoryUpdater;

connector/src/main/java/org/geysermc/connector/network/translators/item/ItemRegistry.java

@@ -52,6 +52,12 @@ public class ItemRegistry {
 
     private static final Map<String, ItemEntry> JAVA_IDENTIFIER_MAP = new HashMap<>();
 
+    /**
+     * A list of all identifiers that only exist on Java. Used to prevent creative items from becoming these unintentionally.
+     */
+    private static final List<String> JAVA_ONLY_ITEMS = Arrays.asList("minecraft:spectral_arrow", "minecraft:debug_stick",
+            "minecraft:knowledge_book");
+
     public static final ItemData[] CREATIVE_ITEMS;
 
     public static final List<StartGamePacket.ItemEntry> ITEMS = new ArrayList<>();
@@ -245,7 +251,10 @@ public class ItemRegistry {
             if (itemEntry.getBedrockId() == data.getId() && (itemEntry.getBedrockData() == data.getDamage() ||
                     // Make exceptions for potions and tipped arrows, whose damage values can vary
                     (itemEntry.getJavaIdentifier().endsWith("potion") || itemEntry.getJavaIdentifier().equals("minecraft:arrow")))) {
-                return itemEntry;
+                if (!JAVA_ONLY_ITEMS.contains(itemEntry.getJavaIdentifier())) {
+                    // From a Bedrock item data, we aren't getting one of these items
+                    return itemEntry;
+                }
             }
         }
 

connector/src/main/java/org/geysermc/connector/network/translators/item/ItemTranslator.java

@@ -111,6 +111,10 @@ public abstract class ItemTranslator {
                     translator.translateToJava(itemStack.getNbt(), javaItem);
                 }
             }
+            if (itemStack.getNbt().isEmpty()) {
+                // Otherwise, seems to causes issues with villagers accepting books, and I don't see how this will break anything else. - Camotoy
+                itemStack = new ItemStack(itemStack.getId(), itemStack.getAmount(), null);
+            }
         }
         return itemStack;
     }
@@ -126,7 +130,7 @@ public abstract class ItemTranslator {
 
         // This is a fallback for maps with no nbt
         if (nbt == null && bedrockItem.getJavaIdentifier().equals("minecraft:filled_map")) {
-            nbt = new com.github.steveice10.opennbt.tag.builtin.CompoundTag("");
+            nbt = new CompoundTag("");
             nbt.put(new IntTag("map", 0));
         }
 
@@ -218,7 +222,7 @@ public abstract class ItemTranslator {
         NbtMapBuilder builder = NbtMap.builder();
         if (tag.getValue() != null && !tag.getValue().isEmpty()) {
             for (String str : tag.getValue().keySet()) {
-                com.github.steveice10.opennbt.tag.builtin.Tag javaTag = tag.get(str);
+                Tag javaTag = tag.get(str);
                 Object translatedTag = translateToBedrockNBT(javaTag);
                 if (translatedTag == null)
                     continue;
@@ -287,21 +291,21 @@ public abstract class ItemTranslator {
             return new NbtList(type, tagList);
         }
 
-        if (tag instanceof com.github.steveice10.opennbt.tag.builtin.CompoundTag) {
+        if (tag instanceof CompoundTag) {
-            com.github.steveice10.opennbt.tag.builtin.CompoundTag compoundTag = (com.github.steveice10.opennbt.tag.builtin.CompoundTag) tag;
+            CompoundTag compoundTag = (CompoundTag) tag;
             return translateNbtToBedrock(compoundTag);
         }
 
         return null;
     }
 
-    public com.github.steveice10.opennbt.tag.builtin.CompoundTag translateToJavaNBT(String name, NbtMap tag) {
+    public CompoundTag translateToJavaNBT(String name, NbtMap tag) {
-        com.github.steveice10.opennbt.tag.builtin.CompoundTag javaTag = new com.github.steveice10.opennbt.tag.builtin.CompoundTag(name);
+        CompoundTag javaTag = new CompoundTag(name);
-        Map<String, com.github.steveice10.opennbt.tag.builtin.Tag> javaValue = javaTag.getValue();
+        Map<String, Tag> javaValue = javaTag.getValue();
         if (tag != null && !tag.isEmpty()) {
             for (String str : tag.keySet()) {
                 Object bedrockTag = tag.get(str);
-                com.github.steveice10.opennbt.tag.builtin.Tag translatedTag = translateToJavaNBT(str, bedrockTag);
+                Tag translatedTag = translateToJavaNBT(str, bedrockTag);
                 if (translatedTag == null)
                     continue;
 
@@ -313,7 +317,7 @@ public abstract class ItemTranslator {
         return javaTag;
     }
 
-    private com.github.steveice10.opennbt.tag.builtin.Tag translateToJavaNBT(String name, Object object) {
+    private Tag translateToJavaNBT(String name, Object object) {
         if (object instanceof int[]) {
             return new IntArrayTag(name, (int[]) object);
         }
@@ -355,10 +359,10 @@ public abstract class ItemTranslator {
         }
 
         if (object instanceof List) {
-            List<com.github.steveice10.opennbt.tag.builtin.Tag> tags = new ArrayList<>();
+            List<Tag> tags = new ArrayList<>();
 
             for (Object value : (List<?>) object) {
-                com.github.steveice10.opennbt.tag.builtin.Tag javaTag = translateToJavaNBT("", value);
+                Tag javaTag = translateToJavaNBT("", value);
                 if (javaTag != null)
                     tags.add(javaTag);
             }

connector/src/main/java/org/geysermc/connector/network/translators/java/window/JavaSetSlotTranslator.java

@@ -29,12 +29,10 @@ import com.github.steveice10.mc.protocol.packet.ingame.server.window.ServerSetSl
 import org.geysermc.connector.inventory.Inventory;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.PacketTranslator;
-import org.geysermc.connector.network.translators.inventory.InventoryTranslator;
 import org.geysermc.connector.network.translators.Translator;
+import org.geysermc.connector.network.translators.inventory.InventoryTranslator;
 import org.geysermc.connector.utils.InventoryUtils;
 
-import java.util.Objects;
-
 @Translator(packet = ServerSetSlotPacket.class)
 public class JavaSetSlotTranslator extends PacketTranslator<ServerSetSlotPacket> {