From c0d30ebeb1a887b655f2d24b7f94f47745a7932e Mon Sep 17 00:00:00 2001
From: E x o t i c <exoticdeveloper@icloud.com>
Date: Mon, 9 Mar 2026 06:14:17 -0400
Subject: [PATCH] Add crafting grid packet

---
 Minecraft.Client/PlayerConnection.cpp   | 11 +++++
 Minecraft.Client/PlayerConnection.h     |  1 +
 Minecraft.World/CraftItemGridPacket.cpp | 54 +++++++++++++++++++++++++
 Minecraft.World/CraftItemGridPacket.h   | 27 +++++++++++++
 Minecraft.World/PacketListener.cpp      |  5 +++
 Minecraft.World/PacketListener.h        |  2 +
 6 files changed, 100 insertions(+)
 create mode 100644 Minecraft.World/CraftItemGridPacket.cpp
 create mode 100644 Minecraft.World/CraftItemGridPacket.h

diff --git a/Minecraft.Client/PlayerConnection.cpp b/Minecraft.Client/PlayerConnection.cpp
index 8e056cd81..fbcac4df7 100644
--- a/Minecraft.Client/PlayerConnection.cpp
+++ b/Minecraft.Client/PlayerConnection.cpp
@@ -1711,6 +1711,17 @@ void PlayerConnection::handleCraftItem(shared_ptr<CraftItemPacket> packet)
 }
 
 
+void PlayerConnection::handleCraftItemGrid(shared_ptr<CraftItemGridPacket> packet)
+{
+	short uid = packet->uid;
+	int recipe = packet->recipe;
+	bool is2x2 = packet->is2x2;
+	for(int i = 0; i < 9; i++)
+	{
+		int itemId = packet->gridData[i];
+	}
+}
+
 void PlayerConnection::handleTradeItem(shared_ptr<TradeItemPacket> packet)
 {
 	if (player->containerMenu->containerId == packet->containerId)
diff --git a/Minecraft.Client/PlayerConnection.h b/Minecraft.Client/PlayerConnection.h
index ff6093a34..fae9bf969 100644
--- a/Minecraft.Client/PlayerConnection.h
+++ b/Minecraft.Client/PlayerConnection.h
@@ -98,6 +98,7 @@ public:
 
 	// 4J Added
 	virtual void handleCraftItem(shared_ptr<CraftItemPacket> packet);
+	virtual void handleCraftItemGrid(shared_ptr<CraftItemGridPacket> packet);
 	virtual void handleTradeItem(shared_ptr<TradeItemPacket> packet);
 	virtual void handleDebugOptions(shared_ptr<DebugOptionsPacket> packet);
 	virtual void handleTexture(shared_ptr<TexturePacket> packet);
diff --git a/Minecraft.World/CraftItemGridPacket.cpp b/Minecraft.World/CraftItemGridPacket.cpp
new file mode 100644
index 000000000..fb989b418
--- /dev/null
+++ b/Minecraft.World/CraftItemGridPacket.cpp
@@ -0,0 +1,54 @@
+#include "stdafx.h"
+#include <iostream>
+#include "InputOutputStream.h"
+#include "net.minecraft.world.item.h"
+#include "PacketListener.h"
+#include "CraftItemGridPacket.h"
+
+
+
+CraftItemGridPacket::~CraftItemGridPacket()
+{
+}
+
+CraftItemGridPacket::CraftItemGridPacket()
+{
+	recipe = -1;
+	uid = 0;
+	is2x2 = false;
+	for(int i = 0; i < 9; i++) gridData[i] = -1;
+}
+
+CraftItemGridPacket::CraftItemGridPacket(int recipe, short uid, bool is2x2, int gridData[9])
+{
+	this->recipe = recipe;
+	this->uid = uid;
+	this->is2x2 = is2x2;
+	for(int i = 0; i < 9; i++) this->gridData[i] = gridData[i];
+}
+
+void CraftItemGridPacket::handle(PacketListener *listener)
+{
+	listener->handleCraftItemGrid(shared_from_this());
+}
+
+void CraftItemGridPacket::read(DataInputStream *dis)
+{
+	uid = dis->readShort();
+	recipe = dis->readInt();
+	is2x2 = dis->readBoolean();
+	for(int i = 0; i < 9; i++) gridData[i] = dis->readInt();
+}
+
+void CraftItemGridPacket::write(DataOutputStream *dos)
+{
+	dos->writeShort(uid);
+	dos->writeInt(recipe);
+	dos->writeBoolean(is2x2);
+	for(int i = 0; i < 9; i++) dos->writeInt(gridData[i]);
+}
+
+int CraftItemGridPacket::getEstimatedSize() 
+{
+	return 2 + 4 + 1 + (9 * 4);
+}
diff --git a/Minecraft.World/CraftItemGridPacket.h b/Minecraft.World/CraftItemGridPacket.h
new file mode 100644
index 000000000..e24e41188
--- /dev/null
+++ b/Minecraft.World/CraftItemGridPacket.h
@@ -0,0 +1,27 @@
+#pragma once
+
+using namespace std;
+
+#include "Packet.h"
+
+class CraftItemGridPacket : public Packet, public enable_shared_from_this<CraftItemGridPacket>
+{
+public:
+	int recipe;
+	short uid;
+	bool is2x2;
+	int gridData[9];
+
+	CraftItemGridPacket();
+	~CraftItemGridPacket();
+	CraftItemGridPacket(int recipe, short uid, bool is2x2, int gridData[9]);
+
+	virtual void handle(PacketListener *listener);
+	virtual void read(DataInputStream *dis);
+	virtual void write(DataOutputStream *dos);
+	virtual int getEstimatedSize();
+
+public:
+	static shared_ptr<Packet> create() { return std::make_shared<CraftItemGridPacket>(); }
+	virtual int getId() { return 169; }
+};
diff --git a/Minecraft.World/PacketListener.cpp b/Minecraft.World/PacketListener.cpp
index 09fbb0525..0c2b4c01c 100644
--- a/Minecraft.World/PacketListener.cpp
+++ b/Minecraft.World/PacketListener.cpp
@@ -437,6 +437,11 @@ void PacketListener::handleCraftItem(shared_ptr<CraftItemPacket> packet)
 	onUnhandledPacket( (shared_ptr<Packet> ) packet);
 }
 
+void PacketListener::handleCraftItemGrid(shared_ptr<CraftItemGridPacket> packet)
+{
+	onUnhandledPacket( (shared_ptr<Packet> ) packet);
+}
+
 void PacketListener::handleTradeItem(shared_ptr<TradeItemPacket> packet) 
 {
 	onUnhandledPacket( (shared_ptr<Packet> ) packet);
diff --git a/Minecraft.World/PacketListener.h b/Minecraft.World/PacketListener.h
index f63b6bc7f..2d337bd88 100644
--- a/Minecraft.World/PacketListener.h
+++ b/Minecraft.World/PacketListener.h
@@ -97,6 +97,7 @@ class TileEditorOpenPacket;
 
 // 4J Added
 class CraftItemPacket;
+class CraftItemGridPacket;
 class TradeItemPacket;
 class DebugOptionsPacket;
 class ServerSettingsChangedPacket;
@@ -214,6 +215,7 @@ public:
 
 	// 4J Added
 	virtual void handleCraftItem(shared_ptr<CraftItemPacket> packet);
+	virtual void handleCraftItemGrid(shared_ptr<CraftItemGridPacket> packet);
 	virtual void handleTradeItem(shared_ptr<TradeItemPacket> packet);
 	virtual void handleDebugOptions(shared_ptr<DebugOptionsPacket> packet);
 	virtual void handleServerSettingsChanged(shared_ptr<ServerSettingsChangedPacket> packet);