Handle item hover events

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_2to1_21/Protocol1_21_2To1_21.java

@@ -22,6 +22,7 @@ import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
 import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.rewriter.BlockItemPacketRewriter1_21_2;
+import com.viaversion.viabackwards.protocol.v1_21_2to1_21.rewriter.ComponentRewriter1_21_2;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.rewriter.EntityPacketRewriter1_21_2;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.storage.InventoryStateIdStorage;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.storage.ItemTagStorage;
@@ -44,7 +45,6 @@ import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacke
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ServerboundPacket1_21_2;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ServerboundPackets1_21_2;
 import com.viaversion.viaversion.rewriter.AttributeRewriter;
-import com.viaversion.viaversion.rewriter.ComponentRewriter.ReadType;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 
@@ -55,7 +55,7 @@ public final class Protocol1_21_2To1_21 extends BackwardsProtocol<ClientboundPac
     public static final BackwardsMappingData MAPPINGS = new BackwardsMappingData("1.21.2", "1.21", Protocol1_21To1_21_2.class);
     private final EntityPacketRewriter1_21_2 entityRewriter = new EntityPacketRewriter1_21_2(this);
     private final BlockItemPacketRewriter1_21_2 itemRewriter = new BlockItemPacketRewriter1_21_2(this);
-    private final TranslatableRewriter<ClientboundPacket1_21_2> translatableRewriter = new TranslatableRewriter<>(this, ReadType.NBT);
+    private final TranslatableRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_21_2(this);
     private final TagRewriter<ClientboundPacket1_21_2> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_21_2To1_21() {

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_2to1_21/rewriter/ComponentRewriter1_21_2.java

@@ -0,0 +1,73 @@
+/*
+ * 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.viabackwards.protocol.v1_21_2to1_21.rewriter;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.protocol.v1_21_2to1_21.Protocol1_21_2To1_21;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
+import com.viaversion.viaversion.util.SerializerVersion;
+import com.viaversion.viaversion.util.TagUtil;
+
+public final class ComponentRewriter1_21_2 extends TranslatableRewriter<ClientboundPacket1_21_2> {
+
+    public ComponentRewriter1_21_2(final Protocol1_21_2To1_21 protocol) {
+        super(protocol, ReadType.NBT);
+    }
+
+    @Override
+    protected void handleShowItem(final UserConnection connection, final CompoundTag itemTag, final CompoundTag componentsTag) {
+        super.handleShowItem(connection, itemTag, componentsTag);
+        if (componentsTag == null) {
+            return;
+        }
+
+        // TODO attribute types
+
+        final CompoundTag instrument = TagUtil.getNamespacedCompoundTag(componentsTag, "instrument");
+        if (instrument != null) {
+            instrument.remove("description");
+        }
+
+        final CompoundTag useRemainder = TagUtil.getNamespacedCompoundTag(componentsTag, "use_remainder");
+        final CompoundTag food = TagUtil.getNamespacedCompoundTag(componentsTag, "food");
+        if (food != null) {
+            if (useRemainder != null) {
+                food.put("using_converts_to", useRemainder);
+            }
+            food.putFloat("eat_seconds", 1.6F);
+        }
+
+        TagUtil.removeNamespaced(componentsTag, "repairable");
+        TagUtil.removeNamespaced(componentsTag, "enchantable");
+        TagUtil.removeNamespaced(componentsTag, "consumable");
+        TagUtil.removeNamespaced(componentsTag, "use_remainder");
+        TagUtil.removeNamespaced(componentsTag, "use_cooldown");
+    }
+
+    @Override
+    protected SerializerVersion inputSerializerVersion() {
+        return SerializerVersion.V1_20_5;
+    }
+
+    @Override
+    protected SerializerVersion outputSerializerVersion() {
+        return SerializerVersion.V1_20_5;
+    }
+}