Anvil updater refactor and other small refactors

core/src/main/java/org/geysermc/geyser/inventory/GeyserItemStack.java

@@ -30,6 +30,7 @@
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
+import net.kyori.adventure.text.Component;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
@@ -45,6 +46,7 @@
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponentType;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponentTypes;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponents;
+import org.geysermc.mcprotocollib.protocol.data.game.item.component.WrittenBookContent;
 import org.geysermc.mcprotocollib.protocol.data.game.recipe.display.slot.EmptySlotDisplay;
 import org.geysermc.mcprotocollib.protocol.data.game.recipe.display.slot.ItemSlotDisplay;
 import org.geysermc.mcprotocollib.protocol.data.game.recipe.display.slot.ItemStackSlotDisplay;
@@ -115,6 +117,14 @@ public int getAmount() {
         return isEmpty() ? 0 : amount;
     }
 
+    public boolean is(Item item) {
+        return getJavaId() == item.javaId();
+    }
+
+    public boolean isSameItem(GeyserItemStack other) {
+        return getJavaId() == other.getJavaId();
+    }
+
     /**
      * Returns all components of this item - base and additional components sent over the network.
      * These are NOT modifiable! To add components, use {@link #getOrCreateComponents()}.
@@ -173,6 +183,10 @@ public <T> T getComponentElseGet(@NonNull DataComponentType<T> type, Supplier<T>
         return value == null ? supplier.get() : value;
     }
 
+    public boolean hasComponent(@NonNull DataComponentType<?> type) {
+        return getComponent(type) != null;
+    }
+
     public int getNetId() {
         return isEmpty() ? 0 : netId;
     }
@@ -248,6 +262,17 @@ public SlotDisplay asSlotDisplay() {
         return new ItemStackSlotDisplay(this.getItemStack());
     }
 
+    public Component getName() {
+        return getComponentElseGet(DataComponentTypes.CUSTOM_NAME, () -> {
+            WrittenBookContent book = getComponent(DataComponentTypes.WRITTEN_BOOK_CONTENT);
+            if (book != null) {
+                return Component.text(book.getTitle().getRaw());
+            }
+
+            return asItem().getName(this);
+        });
+    }
+
     public int getMaxDamage() {
         return getComponentElseGet(DataComponentTypes.MAX_DAMAGE, () -> 0);
     }
@@ -263,7 +288,7 @@ public boolean nextDamageWillBreak() {
     }
 
     public boolean isDamageable() {
-        return getComponent(DataComponentTypes.MAX_DAMAGE) != null && getComponent(DataComponentTypes.UNBREAKABLE) == null && getComponent(DataComponentTypes.DAMAGE) != null;
+        return hasComponent(DataComponentTypes.MAX_DAMAGE) && !hasComponent(DataComponentTypes.UNBREAKABLE) && hasComponent(DataComponentTypes.DAMAGE);
     }
 
     public Item asItem() {

core/src/main/java/org/geysermc/geyser/item/type/CompassItem.java

@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.item.type;
 
+import net.kyori.adventure.text.Component;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
@@ -39,10 +40,17 @@
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.LodestoneTracker;
 
 public class CompassItem extends Item {
+    private static final Component LODESTONE_NAME = Component.translatable("item.minecraft.lodestone_compass");
+
     public CompassItem(String javaIdentifier, Builder builder) {
         super(javaIdentifier, builder);
     }
 
+    @Override
+    public Component getName(GeyserItemStack stack) {
+        return stack.hasComponent(DataComponentTypes.LODESTONE_TRACKER) ? LODESTONE_NAME : super.getName(stack);
+    }
+
     @Override
     public ItemData.Builder translateToBedrock(GeyserSession session, int count, DataComponents components, ItemMapping mapping, ItemMappings mappings) {
         if (isLodestoneCompass(components)) {

core/src/main/java/org/geysermc/geyser/item/type/Item.java

@@ -134,6 +134,10 @@ public <T> T getComponent(@NonNull DataComponentType<T> type) {
         return baseComponents.get(type);
     }
 
+    public Component getName(GeyserItemStack stack) {
+        return baseComponents.getOrDefault(DataComponentTypes.ITEM_NAME, Component.empty());
+    }
+
     public String translationKey() {
         return "item." + javaIdentifier.namespace() + "." + javaIdentifier.value();
     }

core/src/main/java/org/geysermc/geyser/item/type/PlayerHeadItem.java

@@ -25,7 +25,9 @@
 
 package org.geysermc.geyser.item.type;
 
+import net.kyori.adventure.text.Component;
 import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.inventory.GeyserItemStack;
 import org.geysermc.geyser.item.TooltipOptions;
 import org.geysermc.geyser.item.components.Rarity;
 import org.geysermc.geyser.level.block.type.Block;
@@ -42,6 +44,14 @@ public PlayerHeadItem(Builder builder, Block block, Block... otherBlocks) {
         super(builder, block, otherBlocks);
     }
 
+    @Override
+    public Component getName(GeyserItemStack stack) {
+        GameProfile profile = stack.getComponent(DataComponentTypes.PROFILE);
+        return profile != null && profile.getName() != null
+            ? Component.translatable(translationKey() + ".named", profile.getName())
+            : super.getName(stack);
+    }
+
     @Override
     public void translateComponentsToBedrock(@NonNull GeyserSession session, @NonNull DataComponents components, @NonNull TooltipOptions tooltip, @NonNull BedrockItemBuilder builder) {
         super.translateComponentsToBedrock(session, components, tooltip, builder);

core/src/main/java/org/geysermc/geyser/item/type/PotionItem.java

@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.item.type;
 
+import net.kyori.adventure.text.Component;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.cloudburstmc.protocol.bedrock.data.definitions.ItemDefinition;
 import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
@@ -39,11 +40,20 @@
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponents;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.PotionContents;
 
+import java.util.Locale;
+import java.util.Objects;
+import java.util.function.Function;
+
 public class PotionItem extends Item {
     public PotionItem(String javaIdentifier, Builder builder) {
         super(javaIdentifier, builder);
     }
 
+    @Override
+    public Component getName(GeyserItemStack stack) {
+        return getName(stack, translationKey(), super::getName);
+    }
+
     @Override
     public ItemData.Builder translateToBedrock(GeyserSession session, int count, DataComponents components, ItemMapping mapping, ItemMappings mappings) {
         if (components == null) return super.translateToBedrock(session, count, components, mapping, mappings);
@@ -82,4 +92,17 @@ public ItemData.Builder translateToBedrock(GeyserSession session, int count, Dat
     public boolean ignoreDamage() {
         return true;
     }
+
+    public static Component getName(GeyserItemStack stack, String translationKey, Function<GeyserItemStack, Component> fallback) {
+        PotionContents contents = stack.getComponent(DataComponentTypes.POTION_CONTENTS);
+        return contents != null ? potionName(contents, translationKey + ".effect.") : fallback.apply(stack);
+    }
+
+    private static Component potionName(PotionContents contents, String baseTranslation) {
+        String name = contents.getCustomName() != null
+            ? contents.getCustomName()
+            : contents.getPotionId() == -1 ? "empty"
+            : Objects.requireNonNull(Potion.getByJavaId(contents.getPotionId())).getJavaIdentifier().toLowerCase(Locale.ROOT);
+        return Component.translatable(baseTranslation + name);
+    }
 }

core/src/main/java/org/geysermc/geyser/item/type/ShieldItem.java

@@ -25,7 +25,10 @@
 
 package org.geysermc.geyser.item.type;
 
+import net.kyori.adventure.text.Component;
 import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.inventory.GeyserItemStack;
+import org.geysermc.geyser.inventory.item.DyeColor;
 import org.geysermc.geyser.item.TooltipOptions;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.translator.item.BedrockItemBuilder;
@@ -34,12 +37,21 @@
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponents;
 
 import java.util.List;
+import java.util.Objects;
 
 public class ShieldItem extends Item {
     public ShieldItem(String javaIdentifier, Builder builder) {
         super(javaIdentifier, builder);
     }
 
+    @Override
+    public Component getName(GeyserItemStack stack) {
+        Integer color = stack.getComponent(DataComponentTypes.BASE_COLOR);
+        return color != null
+            ? Component.translatable(translationKey() + "." + Objects.requireNonNull(DyeColor.getById(color)).getJavaIdentifier())
+            : super.getName(stack);
+    }
+
     @Override
     public void translateComponentsToBedrock(@NonNull GeyserSession session, @NonNull DataComponents components, @NonNull TooltipOptions tooltip, @NonNull BedrockItemBuilder builder) {
         super.translateComponentsToBedrock(session, components, tooltip, builder);

core/src/main/java/org/geysermc/geyser/item/type/TippedArrowItem.java

@@ -25,8 +25,10 @@
 
 package org.geysermc.geyser.item.type;
 
+import net.kyori.adventure.text.Component;
 import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
 import org.geysermc.geyser.GeyserImpl;
+import org.geysermc.geyser.inventory.GeyserItemStack;
 import org.geysermc.geyser.inventory.item.Potion;
 import org.geysermc.geyser.registry.type.ItemMapping;
 import org.geysermc.geyser.registry.type.ItemMappings;
@@ -40,6 +42,11 @@ public TippedArrowItem(String javaIdentifier, Builder builder) {
         super(javaIdentifier, builder);
     }
 
+    @Override
+    public Component getName(GeyserItemStack stack) {
+        return PotionItem.getName(stack, translationKey(), super::getName);
+    }
+
     @Override
     public ItemData.Builder translateToBedrock(GeyserSession session, int count, DataComponents components, ItemMapping mapping, ItemMappings mappings) {
         if (components != null) {

core/src/main/java/org/geysermc/geyser/session/cache/TagCache.java

@@ -134,7 +134,7 @@ public <T> boolean is(@Nullable GeyserHolderSet<T> holderSet, @Nullable T object
      * Accessible via the {@link #isItem(HolderSet, Item)} method.
      * @return true if the specified network ID is in the given {@link HolderSet} set.
      */
-    private  <T> boolean is(@Nullable HolderSet holderSet, @NonNull JavaRegistryKey<T> registry, int id) {
+    private <T> boolean is(@Nullable HolderSet holderSet, @NonNull JavaRegistryKey<T> registry, int id) {
         if (holderSet == null) {
             return false;
         }

core/src/main/java/org/geysermc/geyser/session/cache/tags/GeyserHolderSet.java

@@ -126,6 +126,10 @@ public int[] resolveRaw(TagCache tagCache) {
         return tagCache.getRaw(Objects.requireNonNull(tag, "HolderSet must have a tag if it doesn't have a list of IDs"));
     }
 
+    public boolean contains(GeyserSession session, T value) {
+        return contains(resolveRaw(session.getTagCache()), registry.toNetworkId(session, value));
+    }
+
     /**
      * Reads a HolderSet from a NBT object. Does not support reading HolderSets that can hold inline values.
      *
@@ -195,4 +199,14 @@ public static <T> GeyserHolderSet<T> readHolderSet(JavaRegistryKey<T> registry,
         GeyserImpl.getInstance().getLogger().warning("Failed parsing HolderSet for registry + " + registry + "! Expected " + expected + ", found " + holderSet);
         return new GeyserHolderSet<>(registry);
     }
+
+    // TODO
+    private static boolean contains(int[] array, int i) {
+        for (int item : array) {
+            if (item == i) {
+                return true;
+            }
+        }
+        return false;
+    }
 }

core/src/main/java/org/geysermc/geyser/translator/item/ItemTranslator.java

@@ -415,6 +415,7 @@ public static String getPotionEffectInfo(PotionContents contents, String languag
         return finalText.toString();
     }
 
+    // TODO
     public static String getPotionName(PotionContents contents, ItemMapping mapping, String language) {
         String customPotionName = contents.getCustomName();
         Potion potion = Potion.getByJavaId(contents.getPotionId());