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feat: Added Written Book Support

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Anon 2026-05-03 20:22:45 +02:00 • committed by GitHub
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17 changed files with 3969 additions and 6 deletions
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103
MinecraftClient/Protocol/Handlers/Protocol18.cs
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@ -242,6 +242,9 @@ namespace MinecraftClient.Protocol.Handlers
>= MC_1_16_2_Version => new ItemPalette1162(),
>= MC_1_16_1_Version => new ItemPalette1161(),
>= MC_1_15_Version => new ItemPalette115(),
>= MC_1_14_Version => new ItemPalette114(),
>= MC_1_13_2_Version => new ItemPalette1132(),
>= MC_1_13_Version => new ItemPalette113(),
>= MC_1_12_Version => new ItemPalette112(),
>= MC_1_11_Version => new ItemPalette111(),
>= MC_1_10_Version => new ItemPalette110(),
@ -2314,8 +2317,13 @@ namespace MinecraftClient.Protocol.Handlers
// Length is unneeded as the whole remaining packetData is the entire payload of the packet.
if (protocolVersion < MC_1_8_Version)
pForge.ReadNextVarShort(packetData);
if (IsOpenBookPluginChannel(channel))
handler.OnBookOpen(ReadBookHand(new Queue<byte>(packetData)));
handler.OnPluginChannelMessage(channel, packetData.ToArray());
return pForge.HandlePluginMessage(channel, packetData, ref currentDimension);
case PacketTypesIn.OpenBook:
handler.OnBookOpen(ReadBookHand(packetData));
break;
case PacketTypesIn.Disconnect:
handler.OnConnectionLost(ChatBot.DisconnectReason.InGameKick,
dataTypes.ReadNextChat(packetData));
@ -2987,6 +2995,9 @@ namespace MinecraftClient.Protocol.Handlers
soundName = null;
}
if (protocolVersion < MC_1_19_Version && packetData.Count < 21)
break;
int category = dataTypes.ReadNextVarInt(packetData);
double x = dataTypes.ReadNextInt(packetData) / 8.0D;
double y = dataTypes.ReadNextInt(packetData) / 8.0D;
@ -3919,9 +3930,9 @@ namespace MinecraftClient.Protocol.Handlers
private bool SkipRecipeBookSettings(Queue<byte> packetData)
{
// MC 1.13 uses 4 booleans for the crafting/smelting recipe book states.
// MC 1.14+ expands this to 8 booleans by adding blast furnace and smoker states.
int boolCount = protocolVersion >= MC_1_14_Version ? 8 : 4;
// MC 1.13-1.16.1 uses 4 booleans for the crafting/smelting recipe book states.
// MC 1.16.2+ expands this to 8 booleans through RecipeBookSettings.
int boolCount = protocolVersion >= MC_1_16_2_Version ? 8 : 4;
if (packetData.Count < boolCount)
return false;
@ -5284,6 +5295,18 @@ namespace MinecraftClient.Protocol.Handlers
}
}
private bool IsOpenBookPluginChannel(string channel)
{
return protocolVersion < MC_1_13_Version
? string.Equals(channel, "MC|BOpen", StringComparison.Ordinal)
: string.Equals(channel, "minecraft:book_open", StringComparison.Ordinal);
}
private int ReadBookHand(Queue<byte> packetData)
{
return packetData.Count > 0 ? dataTypes.ReadNextVarInt(packetData) : (int)BookHand.Main;
}
/// <summary>
/// Send a Login Plugin Response packet (0x02)
/// </summary>
@ -5902,6 +5925,80 @@ namespace MinecraftClient.Protocol.Handlers
}
}
public bool SendEditBook(Item currentBook, IReadOnlyList<string> pages, string? title, string author, int selectedHotbarSlot)
{
try
{
if (protocolVersion < MC_1_8_Version)
return false;
bool signing = title is not null;
IReadOnlyList<string> normalizedPages = BookContentHelper.NormalizePages(pages);
if (protocolVersion < MC_1_13_Version)
{
Item payload = signing
? BookContentHelper.CreateWrittenPayload(
currentBook,
normalizedPages,
title ?? string.Empty,
author,
encodePagesAsJson: protocolVersion < MC_1_9_Version)
: BookContentHelper.CreateWritablePayload(currentBook, normalizedPages);
byte[] payloadData = dataTypes.GetItemSlot(payload, itemPalette);
if (payloadData.Length > 32767)
return false;
return SendPluginChannelPacket(signing ? "MC|BSign" : "MC|BEdit", payloadData);
}
if (protocolVersion < MC_1_17_Version)
{
Item payload = signing
? BookContentHelper.CreateWrittenPayload(currentBook, normalizedPages, title ?? string.Empty, author, encodePagesAsJson: false)
: BookContentHelper.CreateWritablePayload(currentBook, normalizedPages);
List<byte> packet = new();
packet.AddRange(dataTypes.GetItemSlot(payload, itemPalette));
packet.AddRange(dataTypes.GetBool(signing));
if (protocolVersion >= MC_1_16_5_Version)
packet.AddRange(DataTypes.GetVarInt(selectedHotbarSlot));
else if (protocolVersion >= MC_1_13_2_Version)
packet.AddRange(DataTypes.GetVarInt((int)BookHand.Main));
SendPacket(PacketTypesOut.EditBook, packet);
return true;
}
List<byte> modernPacket = new();
modernPacket.AddRange(DataTypes.GetVarInt(selectedHotbarSlot));
modernPacket.AddRange(DataTypes.GetVarInt(normalizedPages.Count));
foreach (string page in normalizedPages)
modernPacket.AddRange(dataTypes.GetString(page));
modernPacket.AddRange(dataTypes.GetBool(signing));
if (signing)
modernPacket.AddRange(dataTypes.GetString(title ?? string.Empty));
SendPacket(PacketTypesOut.EditBook, modernPacket);
return true;
}
catch (SocketException)
{
return false;
}
catch (System.IO.IOException)
{
return false;
}
catch (ObjectDisposedException)
{
return false;
}
}
public bool SendAnimation(int animation, int playerId)
{
try