Banner patterns and wolves

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

@@ -33,31 +33,31 @@ public final class BannerPatternLayer {
         @Override
         public BannerPatternLayer read(final ByteBuf buffer) throws Exception {
             final Holder<BannerPattern> pattern = BannerPattern.TYPE.read(buffer);
-            final DyedColor color = DyedColor.TYPE.read(buffer);
+            final int color = Type.VAR_INT.readPrimitive(buffer);
             return new BannerPatternLayer(pattern, color);
         }
 
         @Override
         public void write(final ByteBuf buffer, final BannerPatternLayer value) throws Exception {
             BannerPattern.TYPE.write(buffer, value.pattern);
-            DyedColor.TYPE.write(buffer, value.color);
+            Type.VAR_INT.writePrimitive(buffer, value.dyeColor);
         }
     };
     public static final Type<BannerPatternLayer[]> ARRAY_TYPE = new ArrayType<>(TYPE);
 
     private final Holder<BannerPattern> pattern;
-    private final DyedColor color;
+    private final int dyeColor;
 
-    public BannerPatternLayer(final Holder<BannerPattern> pattern, final DyedColor color) {
+    public BannerPatternLayer(final Holder<BannerPattern> pattern, final int dyeColor) {
         this.pattern = pattern;
-        this.color = color;
+        this.dyeColor = dyeColor;
     }
 
     public Holder<BannerPattern> pattern() {
         return pattern;
     }
 
-    public DyedColor color() {
+    public int dyeColor() {
-        return color;
+        return dyeColor;
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/data/BannerPatterns1_20_3.java

@@ -0,0 +1,131 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data;
+
+import com.viaversion.viaversion.util.KeyMappings;
+import java.util.HashMap;
+import java.util.Map;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public final class BannerPatterns1_20_3 {
+
+    private static final KeyMappings PATTERNS = new KeyMappings(
+        "base",
+        "square_bottom_left",
+        "square_bottom_right",
+        "square_top_left",
+        "square_top_right",
+        "stripe_bottom",
+        "stripe_top",
+        "stripe_left",
+        "stripe_right",
+        "stripe_center",
+        "stripe_middle",
+        "stripe_downright",
+        "stripe_downleft",
+        "small_stripes",
+        "cross",
+        "straight_cross",
+        "triangle_bottom",
+        "triangle_top",
+        "triangles_bottom",
+        "triangles_top",
+        "diagonal_left",
+        "diagonal_up_right",
+        "diagonal_up_left",
+        "diagonal_right",
+        "circle",
+        "rhombus",
+        "half_vertical",
+        "half_horizontal",
+        "half_vertical_right",
+        "half_horizontal_bottom",
+        "border",
+        "curly_border",
+        "gradient",
+        "gradient_up",
+        "bricks",
+        "globe",
+        "creeper",
+        "skull",
+        "flower",
+        "mojang",
+        "piglin"
+    );
+    private static final Map<String, String> PATTERN_IDS = new HashMap<>();
+
+    static {
+        PATTERN_IDS.put("b", "base");
+        PATTERN_IDS.put("bl", "square_bottom_left");
+        PATTERN_IDS.put("br", "square_bottom_right");
+        PATTERN_IDS.put("tl", "square_top_left");
+        PATTERN_IDS.put("tr", "square_top_right");
+        PATTERN_IDS.put("bs", "stripe_bottom");
+        PATTERN_IDS.put("ts", "stripe_top");
+        PATTERN_IDS.put("ls", "stripe_left");
+        PATTERN_IDS.put("rs", "stripe_right");
+        PATTERN_IDS.put("cs", "stripe_center");
+        PATTERN_IDS.put("ms", "stripe_middle");
+        PATTERN_IDS.put("drs", "stripe_downright");
+        PATTERN_IDS.put("dls", "stripe_downleft");
+        PATTERN_IDS.put("ss", "small_stripes");
+        PATTERN_IDS.put("cr", "cross");
+        PATTERN_IDS.put("sc", "straight_cross");
+        PATTERN_IDS.put("bt", "triangle_bottom");
+        PATTERN_IDS.put("tt", "triangle_top");
+        PATTERN_IDS.put("bts", "triangles_bottom");
+        PATTERN_IDS.put("tts", "triangles_top");
+        PATTERN_IDS.put("ld", "diagonal_left");
+        PATTERN_IDS.put("rd", "diagonal_up_right");
+        PATTERN_IDS.put("lud", "diagonal_up_left");
+        PATTERN_IDS.put("rud", "diagonal_right");
+        PATTERN_IDS.put("mc", "circle");
+        PATTERN_IDS.put("mr", "rhombus");
+        PATTERN_IDS.put("vh", "half_vertical");
+        PATTERN_IDS.put("hh", "half_horizontal");
+        PATTERN_IDS.put("vhr", "half_vertical_right");
+        PATTERN_IDS.put("hhb", "half_horizontal_bottom");
+        PATTERN_IDS.put("bo", "border");
+        PATTERN_IDS.put("cbo", "curly_border");
+        PATTERN_IDS.put("gra", "gradient");
+        PATTERN_IDS.put("gru", "gradient_up");
+        PATTERN_IDS.put("bri", "bricks");
+        PATTERN_IDS.put("glb", "globe");
+        PATTERN_IDS.put("cre", "creeper");
+        PATTERN_IDS.put("sku", "skull");
+        PATTERN_IDS.put("flo", "flower");
+        PATTERN_IDS.put("moj", "mojang");
+        PATTERN_IDS.put("pig", "piglin");
+    }
+
+    public static @Nullable String idToKey(final int id) {
+        return PATTERNS.idToKey(id);
+    }
+
+    public static int keyToId(final String pattern) {
+        return PATTERNS.keyToId(pattern);
+    }
+
+    public static @Nullable String compactToFullId(final String compactId) {
+        return PATTERN_IDS.get(compactId);
+    }
+
+    public static String[] keys() {
+        return PATTERNS.keys();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/data/DyeColors.java

@@ -0,0 +1,58 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2024 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data;
+
+public final class DyeColors {
+
+    public static String colorById(final int id) {
+        switch (id) {
+            case 1:
+                return "orange";
+            case 2:
+                return "magenta";
+            case 3:
+                return "light_blue";
+            case 4:
+                return "yellow";
+            case 5:
+                return "lime";
+            case 6:
+                return "pink";
+            case 7:
+                return "gray";
+            case 8:
+                return "light_gray";
+            case 9:
+                return "cyan";
+            case 10:
+                return "purple";
+            case 11:
+                return "blue";
+            case 12:
+                return "brown";
+            case 13:
+                return "green";
+            case 14:
+                return "red";
+            case 15:
+                return "black";
+            default:
+                return "white";
+        }
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/data/Enchantments1_20_3.java

@@ -68,7 +68,7 @@ public final class Enchantments1_20_3 {
         return ENCHANTMENTS.idToKey(id);
     }
 
-    public static int id(final String attribute) {
+    public static int id(final String enchantment) {
-        return ENCHANTMENTS.keyToId(attribute);
+        return ENCHANTMENTS.keyToId(enchantment);
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/data/MapDecorations1_20_3.java

@@ -58,7 +58,7 @@ public final class MapDecorations1_20_3 {
         "swamp_hut"
     );
 
-    public static String mapDecoration(final int index) {
+    public static String idToKey(final int index) {
         return index < 0 || index >= MAP_DECORATIONS.size() ? "player" : MAP_DECORATIONS.idToKey(index);
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/data/Potions1_20_3.java

@@ -72,7 +72,7 @@ public final class Potions1_20_3 {
         return POTIONS.idToKey(id);
     }
 
-    public static int keyToId(final String attribute) {
+    public static int keyToId(final String potion) {
-        return POTIONS.keyToId(attribute);
+        return POTIONS.keyToId(potion);
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/data/TrimMaterials1_20_3.java

@@ -39,7 +39,7 @@ public final class TrimMaterials1_20_3 {
         return MATERIALS.idToKey(id);
     }
 
-    public static int keyToId(final String attribute) {
+    public static int keyToId(final String material) {
-        return MATERIALS.keyToId(attribute);
+        return MATERIALS.keyToId(material);
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/data/TrimPatterns1_20_3.java

@@ -45,7 +45,7 @@ public final class TrimPatterns1_20_3 {
         return PATTERNS.idToKey(id);
     }
 
-    public static int keyToId(final String attribute) {
+    public static int keyToId(final String pattern) {
-        return PATTERNS.keyToId(attribute);
+        return PATTERNS.keyToId(pattern);
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/rewriter/BlockItemPacketRewriter1_20_5.java

@@ -39,6 +39,7 @@ import com.viaversion.viaversion.api.minecraft.item.data.ArmorTrimMaterial;
 import com.viaversion.viaversion.api.minecraft.item.data.ArmorTrimPattern;
 import com.viaversion.viaversion.api.minecraft.item.data.AttributeModifier;
 import com.viaversion.viaversion.api.minecraft.item.data.AttributeModifiers;
+import com.viaversion.viaversion.api.minecraft.item.data.BannerPatternLayer;
 import com.viaversion.viaversion.api.minecraft.item.data.BlockStateProperties;
 import com.viaversion.viaversion.api.minecraft.item.data.DyedColor;
 import com.viaversion.viaversion.api.minecraft.item.data.Enchantments;
@@ -64,6 +65,8 @@ import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.Clientb
 import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.rewriter.RecipeRewriter1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.Protocol1_20_5To1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.Attributes1_20_3;
+import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.BannerPatterns1_20_3;
+import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.DyeColors;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.Enchantments1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.Instruments1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.MapDecorations1_20_3;
@@ -79,6 +82,7 @@ import com.viaversion.viaversion.util.Key;
 import com.viaversion.viaversion.util.UUIDUtil;
 import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -251,7 +255,6 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
         return dataItem;
     }
 
-    // TODO Block entity changes
     public Item toStructuredItem(final Item old) {
         final CompoundTag tag = old.tag();
         final StructuredItem item = new StructuredItem(old.identifier(), (byte) old.amount(), new StructuredDataContainer());
@@ -263,8 +266,7 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
         }
 
         // Rewrite nbt to new data structures
-        final NumberTag hideFlags = tag.getNumberTag("HideFlags");
+        final int hideFlagsValue = tag.getInt("HideFlags");
-        final int hideFlagsValue = hideFlags != null ? hideFlags.asInt() : 0;
         if ((hideFlagsValue & 0x20) != 0) {
             data.set(StructuredDataKey.HIDE_ADDITIONAL_TOOLTIP);
         }
@@ -329,9 +331,9 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
         }
 
         final CompoundTag lodestonePosTag = tag.getCompoundTag("LodestonePos");
-        final StringTag lodestoneDimensionTag = tag.getStringTag("LodestoneDimension");
+        final String lodestoneDimension = tag.getString("LodestoneDimension");
-        if (lodestonePosTag != null && lodestoneDimensionTag != null) {
+        if (lodestonePosTag != null && lodestoneDimension != null) {
-            updateLodestoneTracker(tag, lodestonePosTag, lodestoneDimensionTag, data);
+            updateLodestoneTracker(tag, lodestonePosTag, lodestoneDimension, data);
         }
 
         final ListTag<CompoundTag> effectsTag = tag.getListTag("effects", CompoundTag.class);
@@ -339,9 +341,9 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
             updateEffects(effectsTag, data);
         }
 
-        final StringTag instrumentTag = tag.getStringTag("instrument");
+        final String instrument = tag.getString("instrument");
-        if (instrumentTag != null) {
+        if (instrument != null) {
-            final int id = Instruments1_20_3.keyToId(instrumentTag.getValue());
+            final int id = Instruments1_20_3.keyToId(instrument);
             if (id != -1) {
                 data.set(StructuredDataKey.INSTRUMENT, Holder.of(id));
             }
@@ -396,8 +398,6 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
         //  StructuredDataKey.CREATIVE_SLOT_LOCK
         //  StructuredDataKey.INTANGIBLE_PROJECTILE
         //  StructuredDataKey.NOTE_BLOCK_SOUND
-        //  StructuredDataKey.BANNER_PATTERNS
-        //  StructuredDataKey.BASE_COLOR
         //  StructuredDataKey.POT_DECORATIONS
         //  StructuredDataKey.CONTAINER
         //  StructuredDataKey.BEES
@@ -410,22 +410,21 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
 
     private void updateAttributes(final StructuredDataContainer data, final ListTag<CompoundTag> attributeModifiersTag, final boolean showInTooltip) {
         final AttributeModifier[] modifiers = attributeModifiersTag.stream().map(modifierTag -> {
-            final StringTag attributeNameTag = modifierTag.getStringTag("AttributeName");
+            final String attributeName = modifierTag.getString("AttributeName");
-            final StringTag nameTag = modifierTag.getStringTag("Name");
+            final String name = modifierTag.getString("Name");
-            final NumberTag operationTag = modifierTag.getNumberTag("Operation");
             final NumberTag amountTag = modifierTag.getNumberTag("Amount");
             final IntArrayTag uuidTag = modifierTag.getIntArrayTag("UUID");
             final NumberTag slotTag = modifierTag.getNumberTag("Slot");
-            if (nameTag == null || attributeNameTag == null || operationTag == null || amountTag == null || uuidTag == null || slotTag == null) {
+            if (name == null || attributeName == null || amountTag == null || uuidTag == null || slotTag == null) {
                 return null;
             }
 
-            final int operationId = operationTag.asInt();
+            final int operationId = modifierTag.getInt("Operation", -1);
             if (operationId < 0 || operationId > 2) {
                 return null;
             }
 
-            final int attributeId = Attributes1_20_3.keyToId(attributeNameTag.getValue());
+            final int attributeId = Attributes1_20_3.keyToId(attributeName);
             if (attributeId == -1) {
                 return null;
             }
@@ -434,7 +433,7 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
                 attributeId,
                 new ModifierData(
                     UUIDUtil.fromIntArray(uuidTag.getValue()),
-                    nameTag.getValue(),
+                    name,
                     amountTag.asDouble(),
                     operationId
                 ),
@@ -445,10 +444,10 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
     }
 
     private void updatePotionTags(final StructuredDataContainer data, final CompoundTag tag) {
-        final StringTag potionTag = tag.getStringTag("Potion");
+        final String potion = tag.getString("Potion");
         Integer potionId = null;
-        if (potionTag != null) {
+        if (potion != null) {
-            final int id = Potions1_20_3.keyToId(potionTag.getValue());
+            final int id = Potions1_20_3.keyToId(potion);
             potionId = id > 0 ? id - 1 : null; // Empty potion type removed
         }
 
@@ -457,27 +456,27 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
         PotionEffect[] potionEffects = null;
         if (customPotionEffectsTag != null) {
             potionEffects = customPotionEffectsTag.stream().map(effectTag -> {
-                final StringTag idTag = effectTag.getStringTag("id");
+                final String identifier = effectTag.getString("id");
-                if (idTag == null) {
+                if (identifier == null) {
                     return null;
                 }
 
-                final int id = PotionEffects.keyToId(idTag.getValue()) - 1;
+                final int id = PotionEffects.keyToId(identifier) - 1;
                 if (id < 0) {
                     return null;
                 }
 
-                final NumberTag amplifierTag = effectTag.getNumberTag("amplifier");
+                final byte amplifier = effectTag.getByte("amplifier");
-                final NumberTag durationTag = effectTag.getNumberTag("duration");
+                final int duration = effectTag.getInt("duration");
-                final NumberTag ambientTag = effectTag.getNumberTag("ambient");
+                final boolean ambient = effectTag.getBoolean("ambient");
-                final NumberTag showParticlesTag = effectTag.getNumberTag("show_particles");
+                final boolean showParticles = effectTag.getBoolean("show_particles");
-                final NumberTag showIconTag = effectTag.getNumberTag("show_icon");
+                final boolean showIcon = effectTag.getBoolean("show_icon");
                 final PotionEffectData effectData = new PotionEffectData(
-                    amplifierTag != null ? amplifierTag.asByte() : 0,
+                    amplifier,
-                    durationTag != null ? durationTag.asInt() : 0,
+                    duration,
-                    ambientTag != null && ambientTag.asBoolean(),
+                    ambient,
-                    showParticlesTag != null && showParticlesTag.asBoolean(),
+                    showParticles,
-                    showIconTag != null && showIconTag.asBoolean(),
+                    showIcon,
                     null //TODO
                 );
                 return new PotionEffect(id, effectData);
@@ -557,9 +556,9 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
     }
 
     private void updateFireworks(final StructuredDataContainer data, final CompoundTag fireworksTag, final ListTag<CompoundTag> explosionsTag) {
-        final NumberTag flightDuration = fireworksTag.getNumberTag("Flight");
+        final int flightDuration = fireworksTag.getInt("Flight");
         final Fireworks fireworks = new Fireworks(
-            flightDuration != null ? flightDuration.asInt() : 0,
+            flightDuration,
             explosionsTag.stream().map(this::readExplosion).toArray(FireworkExplosion[]::new)
         );
         data.set(StructuredDataKey.FIREWORKS, fireworks);
@@ -569,43 +568,38 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
         final SuspiciousStewEffect[] suspiciousStewEffects = new SuspiciousStewEffect[effects.size()];
         for (int i = 0; i < effects.size(); i++) {
             final CompoundTag effect = effects.get(i);
-            final StringTag effectId = effect.getStringTag("id");
+            final String effectId = effect.getString("id", "luck");
-            final NumberTag duration = effect.getNumberTag("duration");
+            final int duration = effect.getInt("duration");
             final SuspiciousStewEffect stewEffect = new SuspiciousStewEffect(
-                PotionEffects.keyToId(effectId != null ? effectId.getValue() : "luck") - 1,
+                PotionEffects.keyToId(effectId) - 1,
-                duration != null ? duration.asInt() : 0
+                duration
             );
             suspiciousStewEffects[i] = stewEffect;
         }
         data.set(StructuredDataKey.SUSPICIOUS_STEW_EFFECTS, suspiciousStewEffects);
     }
 
-    private void updateLodestoneTracker(final CompoundTag tag, final CompoundTag lodestonePosTag, final StringTag lodestoneDimensionTag, final StructuredDataContainer data) {
+    private void updateLodestoneTracker(final CompoundTag tag, final CompoundTag lodestonePosTag, final String lodestoneDimensionTag, final StructuredDataContainer data) {
-        final NumberTag trackedTag = tag.getNumberTag("LodestoneTracked");
+        final boolean tracked = tag.getBoolean("LodestoneTracked");
-        final NumberTag xTag = lodestonePosTag.getNumberTag("X");
+        final int x = lodestonePosTag.getInt("X");
-        final NumberTag yTag = lodestonePosTag.getNumberTag("Y");
+        final int y = lodestonePosTag.getInt("Y");
-        final NumberTag zTag = lodestonePosTag.getNumberTag("Z");
+        final int z = lodestonePosTag.getInt("Z");
-        final GlobalPosition position = new GlobalPosition(
+        final GlobalPosition position = new GlobalPosition(lodestoneDimensionTag, x, y, z);
-            lodestoneDimensionTag.getValue(),
+        data.set(StructuredDataKey.LODESTONE_TRACKER, new LodestoneTracker(position, tracked));
-            xTag != null ? xTag.asInt() : 0,
-            yTag != null ? yTag.asInt() : 0,
-            zTag != null ? zTag.asInt() : 0
-        );
-        data.set(StructuredDataKey.LODESTONE_TRACKER, new LodestoneTracker(position, trackedTag != null && trackedTag.asBoolean()));
     }
 
     private FireworkExplosion readExplosion(final CompoundTag tag) {
-        final NumberTag shape = tag.getNumberTag("Type");
+        final int shape = tag.getInt("Type");
         final IntArrayTag colors = tag.getIntArrayTag("Colors");
         final IntArrayTag fadeColors = tag.getIntArrayTag("FadeColors");
-        final NumberTag trail = tag.getNumberTag("Trail");
+        final boolean trail = tag.getBoolean("Trail");
-        final NumberTag flicker = tag.getNumberTag("Flicker");
+        final boolean flicker = tag.getBoolean("Flicker");
         return new FireworkExplosion(
-            shape != null ? shape.asInt() : 0,
+            shape,
             colors != null ? colors.getValue() : new int[0],
             fadeColors != null ? fadeColors.getValue() : new int[0],
-            trail != null && trail.asBoolean(),
+            trail,
-            flicker != null && flicker.asBoolean()
+            flicker
         );
     }
 
@@ -654,17 +648,17 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
             pages.add(new FilterableComponent(parsedPage, filtered));
         }
 
-        final StringTag title = tag.getStringTag("title");
+        final String title = tag.getString("title", "");
-        final StringTag filteredTitle = tag.getStringTag("filtered_title");
+        final String filteredTitle = tag.getString("filtered_title"); // Nullable
-        final StringTag author = tag.getStringTag("author");
+        final String author = tag.getString("author", "");
-        final NumberTag generation = tag.getNumberTag("generation");
+        final int generation = tag.getInt("generation");
-        final NumberTag resolved = tag.getNumberTag("resolved");
+        final boolean resolved = tag.getBoolean("resolved");
         final WrittenBook writtenBook = new WrittenBook(
-            new FilterableString(title != null ? title.getValue() : "", filteredTitle != null ? filteredTitle.getValue() : null),
+            new FilterableString(title, filteredTitle),
-            author != null ? author.getValue() : "",
+            author,
-            generation != null ? generation.asInt() : 0,
+            generation,
             pages.toArray(new FilterableComponent[0]),
-            resolved != null && resolved.asBoolean()
+            resolved
         );
         data.set(StructuredDataKey.WRITTEN_BOOK_CONTENT, writtenBook);
     }
@@ -697,13 +691,13 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
 
         final Enchantments enchantments = new Enchantments(new Int2IntOpenHashMap(), show);
         for (final CompoundTag enchantment : enchantmentsTag) {
-            final StringTag id = enchantment.getStringTag("id");
+            final String id = enchantment.getString("id");
             final NumberTag lvl = enchantment.getNumberTag("lvl");
             if (id == null || lvl == null) {
                 continue;
             }
 
-            final int intId = Enchantments1_20_3.id(id.getValue());
+            final int intId = Enchantments1_20_3.id(id);
             if (intId == -1) {
                 continue;
             }
@@ -725,8 +719,7 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
             data.set(StructuredDataKey.PROFILE, new GameProfile(name, null, EMPTY_PROPERTIES));
         } else if (skullOwnerTag instanceof CompoundTag) {
             final CompoundTag skullOwner = (CompoundTag) skullOwnerTag;
-            final StringTag nameTag = skullOwner.getStringTag("Name");
+            final String name = skullOwner.getString("Name", "");
-            final String name = nameTag != null ? nameTag.getValue() : "";
 
             final IntArrayTag idTag = skullOwner.getIntArrayTag("Id");
             UUID uuid = null;
@@ -754,14 +747,10 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
                     continue;
                 }
 
-                final StringTag valueTag = ((CompoundTag) propertyTag).getStringTag("Value");
+                final CompoundTag compoundTag = (CompoundTag) propertyTag;
-                final StringTag signatureTag = ((CompoundTag) propertyTag).getStringTag("Signature");
+                final String value = compoundTag.getString("Value", "");
-                final GameProfile.Property property = new GameProfile.Property(
+                final String signature = compoundTag.getString("Signature");
-                    entry.getKey(),
+                properties.add(new GameProfile.Property(entry.getKey(), value, signature));
-                    valueTag != null ? valueTag.getValue() : "",
-                    signatureTag != null ? signatureTag.getValue() : null
-                );
-                properties.add(property);
             }
         }
     }
@@ -769,19 +758,17 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
     private void updateMapDecorations(final StructuredDataContainer data, final ListTag<CompoundTag> decorationsTag) {
         final CompoundTag updatedDecorationsTag = new CompoundTag();
         for (final CompoundTag decorationTag : decorationsTag) {
-            final StringTag idTag = decorationTag.getStringTag("id");
+            final String id = decorationTag.getString("id", "");
-            final String id = idTag != null ? idTag.asRawString() : "";
+            final int type = decorationTag.getInt("type");
-            final NumberTag typeTag = decorationTag.getNumberTag("type");
+            final double x = decorationTag.getDouble("x");
-            final int type = typeTag != null ? typeTag.asInt() : 0;
+            final double z = decorationTag.getDouble("z");
-            final NumberTag xTag = decorationTag.getNumberTag("x");
+            final float rotation = decorationTag.getFloat("rot");
-            final NumberTag zTag = decorationTag.getNumberTag("z");
-            final NumberTag rotationTag = decorationTag.getNumberTag("rot");
 
             final CompoundTag updatedDecorationTag = new CompoundTag();
-            updatedDecorationTag.putString("type", MapDecorations1_20_3.mapDecoration(type));
+            updatedDecorationTag.putString("type", MapDecorations1_20_3.idToKey(type));
-            updatedDecorationTag.putDouble("x", xTag != null ? xTag.asDouble() : 0);
+            updatedDecorationTag.putDouble("x", x);
-            updatedDecorationTag.putDouble("z", zTag != null ? zTag.asDouble() : 0);
+            updatedDecorationTag.putDouble("z", z);
-            updatedDecorationTag.putFloat("rotation", rotationTag != null ? rotationTag.asFloat() : 0);
+            updatedDecorationTag.putFloat("rotation", rotation);
             updatedDecorationsTag.put(id, updatedDecorationTag);
         }
 
@@ -841,16 +828,42 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
             }
         }
 
-        // TODO Lots of stuff
+        final ListTag<CompoundTag> patternsTag = tag.getListTag("Patterns", CompoundTag.class);
+        if (patternsTag != null) {
+            final BannerPatternLayer[] layers = patternsTag.stream().map(patternTag -> {
+                final String pattern = patternTag.getString("Pattern", "");
+                final int color = patternTag.getInt("Color", -1);
+                final String fullPatternIdentifier = BannerPatterns1_20_3.compactToFullId(pattern);
+                if (fullPatternIdentifier == null || color == -1) {
+                    return null;
+                }
+
+                patternTag.remove("Pattern");
+                patternTag.remove("Color");
+                patternTag.putString("pattern", fullPatternIdentifier);
+                patternTag.putString("color", DyeColors.colorById(color));
+
+                final int id = BannerPatterns1_20_3.keyToId(fullPatternIdentifier);
+                return new BannerPatternLayer(Holder.of(id), color);
+            }).filter(Objects::nonNull).toArray(BannerPatternLayer[]::new);
+            tag.remove("Patterns");
+            tag.put("patterns", patternsTag);
+
+            if (data != null) {
+                data.set(StructuredDataKey.BANNER_PATTERNS, layers);
+            }
+        }
+
+        // TODO Beehive needed?
     }
 
     private void updateSkullOwnerTag(final CompoundTag tag, final CompoundTag skullOwnerTag) {
         final CompoundTag profileTag = new CompoundTag();
         tag.put("profile", profileTag);
 
-        final StringTag nameTag = skullOwnerTag.getStringTag("Name");
+        final String name = skullOwnerTag.getString("Name");
-        if (nameTag != null) {
+        if (name != null) {
-            profileTag.putString("name", nameTag.getValue());
+            profileTag.putString("name", name);
         }
 
         final IntArrayTag idTag = skullOwnerTag.getIntArrayTag("Id");
@@ -869,20 +882,20 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
                 continue;
             }
 
-            final ListTag<?> value = (ListTag<?>) entry.getValue();
+            final ListTag<?> entryValue = (ListTag<?>) entry.getValue();
-            for (final Tag propertyTag : value) {
+            for (final Tag propertyTag : entryValue) {
                 if (!(propertyTag instanceof CompoundTag)) {
                     continue;
                 }
 
                 final CompoundTag updatedPropertyTag = new CompoundTag();
                 final CompoundTag propertyCompoundTag = (CompoundTag) propertyTag;
-                final StringTag valueTag = propertyCompoundTag.getStringTag("Value");
+                final String value = propertyCompoundTag.getString("Value", "");
-                final StringTag signatureTag = propertyCompoundTag.getStringTag("Signature");
+                final String signature = propertyCompoundTag.getString("Signature");
                 updatedPropertyTag.putString("name", entry.getKey());
-                updatedPropertyTag.putString("value", valueTag != null ? valueTag.getValue() : "");
+                updatedPropertyTag.putString("value", value);
-                if (signatureTag != null) {
+                if (signature != null) {
-                    updatedPropertyTag.putString("signature", signatureTag.getValue());
+                    updatedPropertyTag.putString("signature", signature);
                 }
                 propertiesListTag.add(updatedPropertyTag);
             }

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

@@ -35,6 +35,7 @@ import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.Clientb
 import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.ClientboundPackets1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.Protocol1_20_5To1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.Attributes1_20_3;
+import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.data.BannerPatterns1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ClientboundConfigurationPackets1_20_5;
 import com.viaversion.viaversion.rewriter.EntityRewriter;
 import com.viaversion.viaversion.util.Key;
@@ -98,6 +99,32 @@ public final class EntityPacketRewriter1_20_5 extends EntityRewriter<Clientbound
             }
 
             wrapper.cancel();
+
+            // Send banner patterns and default wolf variant
+            final PacketWrapper wolfVariantsPacket = wrapper.create(ClientboundConfigurationPackets1_20_5.REGISTRY_DATA);
+            wolfVariantsPacket.write(Type.STRING, "minecraft:wolf_variant");
+            final CompoundTag paleWolf = new CompoundTag();
+            paleWolf.putString("texture", "textures/entity/wolf/wolf.png");
+            paleWolf.putString("tame_texture", "textures/entity/wolf/wolf_tame.png");
+            paleWolf.putString("angry_texture", "textures/entity/wolf/wolf_angry.png");
+            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);
+
+            final PacketWrapper bannerPatternsPacket = wrapper.create(ClientboundConfigurationPackets1_20_5.REGISTRY_DATA);
+            bannerPatternsPacket.write(Type.STRING, "minecraft:banner_pattern");
+            final RegistryEntry[] patternEntries = new RegistryEntry[BannerPatterns1_20_3.keys().length];
+            final String[] keys = BannerPatterns1_20_3.keys();
+            for (int i = 0; i < keys.length; i++) {
+                final CompoundTag pattern = new CompoundTag();
+                final String key = keys[i];
+                final String resourceLocation = "minecraft:" + key;
+                pattern.putString("asset_id", key);
+                pattern.putString("translation_key", "block.minecraft.banner." + key);
+                patternEntries[i] = new RegistryEntry(resourceLocation, pattern);
+            }
+            bannerPatternsPacket.write(Type.REGISTRY_ENTRY_ARRAY, patternEntries);
+            bannerPatternsPacket.send(Protocol1_20_5To1_20_3.class);
         });
 
         protocol.registerClientbound(ClientboundPackets1_20_3.JOIN_GAME, new PacketHandlers() {

common/src/main/java/com/viaversion/viaversion/util/KeyMappings.java

@@ -45,6 +45,10 @@ public final class KeyMappings {
         return keyToId.getInt(Key.stripMinecraftNamespace(identifier));
     }
 
+    public String[] keys() {
+        return keys;
+    }
+
     public int size() {
         return keys.length;
     }

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ metadata.format.version = "1.1"
 
 gson = "2.10.1"
 fastutil = "8.5.12"
-vianbt = "4.4.2"
+vianbt = "4.4.3"
 mcstructs = "2.4.2"
 
 # Common provided