Update wolf textures again, add utility methods

api/src/main/java/com/viaversion/viaversion/api/minecraft/data/StructuredDataContainer.java

@@ -28,6 +28,7 @@ import com.viaversion.viaversion.api.protocol.Protocol;
 import com.viaversion.viaversion.util.Unit;
 import it.unimi.dsi.fastutil.objects.Reference2ObjectOpenHashMap;
 import java.util.Map;
+import java.util.function.Function;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public final class StructuredDataContainer {
@@ -69,6 +70,26 @@ public final class StructuredDataContainer {
         return data != null && data.isPresent() ? data : null;
     }
 
+    /**
+     * Returns structured data by id if not empty, or creates it.
+     *
+     * @param key             serializer id
+     * @param mappingFunction function to create structured data if not present
+     * @param <T>             data type
+     * @return structured data if not empty
+     */
+    public <T> StructuredData<T> computeIfAbsent(final StructuredDataKey<T> key, final Function<StructuredDataKey<T>, T> mappingFunction) {
+        final StructuredData<T> data = this.getNonEmpty(key);
+        if (data != null) {
+            return data;
+        }
+
+        final int id = serializerId(key);
+        final StructuredData<T> empty = StructuredData.of(key, mappingFunction.apply(key), id);
+        this.data.put(key, empty);
+        return empty;
+    }
+
     public <T> void set(final StructuredDataKey<T> key, final T value) {
         final int id = serializerId(key);
         if (id != -1) {

api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/Enchantments.java

@@ -62,6 +62,10 @@ public final class Enchantments {
         this.showInTooltip = showInTooltip;
     }
 
+    public Enchantments(final boolean showInTooltip) {
+        this(new Int2IntOpenHashMap(), showInTooltip);
+    }
+
     public Int2IntMap enchantments() {
         return enchantments;
     }
@@ -73,4 +77,20 @@ public final class Enchantments {
     public boolean showInTooltip() {
         return showInTooltip;
     }
+
+    public void add(final int id, final int level) {
+        enchantments.put(id, level);
+    }
+
+    public void remove(final int id) {
+        enchantments.remove(id);
+    }
+
+    public void clear() {
+        enchantments.clear();
+    }
+
+    public int getLevel(final int id) {
+        return enchantments.getOrDefault(id, -1);
+    }
 }

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/rewriter/EntityPacketRewriter1_20_5.java

@@ -116,9 +116,9 @@ public final class EntityPacketRewriter1_20_5 extends EntityRewriter<Clientbound
             final PacketWrapper wolfVariantsPacket = wrapper.create(ClientboundConfigurationPackets1_20_5.REGISTRY_DATA);
             wolfVariantsPacket.write(Type.STRING, "minecraft:wolf_variant");
             final CompoundTag paleWolf = new CompoundTag();
-            paleWolf.putString("wild_texture", "textures/entity/wolf/wolf.png");
+            paleWolf.putString("wild_texture", "entity/wolf/wolf");
-            paleWolf.putString("tame_texture", "textures/entity/wolf/wolf_tame.png");
+            paleWolf.putString("tame_texture", "entity/wolf/wolf_tame");
-            paleWolf.putString("angry_texture", "textures/entity/wolf/wolf_angry.png");
+            paleWolf.putString("angry_texture", "entity/wolf/wolf_angry");
             paleWolf.put("biomes", new ListTag<>(StringTag.class));
             wolfVariantsPacket.write(Type.REGISTRY_ENTRY_ARRAY, new RegistryEntry[]{new RegistryEntry("minecraft:pale", paleWolf)});
             wolfVariantsPacket.send(Protocol1_20_5To1_20_3.class);