From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.World/UseItemPacket.cpp | 112 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 Minecraft.World/UseItemPacket.cpp

(limited to 'Minecraft.World/UseItemPacket.cpp')

diff --git a/Minecraft.World/UseItemPacket.cpp b/Minecraft.World/UseItemPacket.cpp
new file mode 100644
index 00000000..d9699130
--- /dev/null
+++ b/Minecraft.World/UseItemPacket.cpp
@@ -0,0 +1,112 @@
+#include "stdafx.h"
+#include <iostream>
+#include "InputOutputStream.h"
+#include "net.minecraft.world.item.h"
+#include "PacketListener.h"
+#include "UseItemPacket.h"
+
+const float UseItemPacket::CLICK_ACCURACY = 16.0f;
+
+UseItemPacket::~UseItemPacket() 
+{
+}
+
+UseItemPacket::UseItemPacket() 
+{
+	x = 0;
+	y = 0;
+	z = 0;
+	face = 0;
+	item = nullptr;
+	clickX = 0.0f;
+	clickY = 0.0f;
+	clickZ = 0.0f;
+}
+
+UseItemPacket::UseItemPacket(int x, int y, int z, int face, shared_ptr<ItemInstance> item, float clickX, float clickY, float clickZ) 
+{
+	this->x = x;
+	this->y = y;
+	this->z = z;
+	this->face = face;
+	// 4J - take copy of item as we want our packets to have full ownership of any referenced data
+	this->item = item ? item->copy() : shared_ptr<ItemInstance>();
+	this->clickX = clickX;
+	this->clickY = clickY;
+	this->clickZ = clickZ;
+}
+
+void UseItemPacket::read(DataInputStream *dis) //throws IOException 
+{
+	x = dis->readInt();
+	y = dis->read();
+	z = dis->readInt();
+	face = dis->read();
+	item = readItem(dis);
+	clickX = dis->read() / CLICK_ACCURACY;
+	clickY = dis->read() / CLICK_ACCURACY;
+	clickZ = dis->read() / CLICK_ACCURACY;
+}
+
+void UseItemPacket::write(DataOutputStream *dos) //throws IOException 
+{
+	dos->writeInt(x);
+	dos->write(y);
+	dos->writeInt(z);
+	dos->write(face);
+
+	writeItem(item, dos);
+	dos->write((int) (clickX * CLICK_ACCURACY));
+	dos->write((int) (clickY * CLICK_ACCURACY));
+	dos->write((int)(clickZ * CLICK_ACCURACY));
+}
+
+void UseItemPacket::handle(PacketListener *listener)
+{
+	listener->handleUseItem(shared_from_this());
+}
+
+int UseItemPacket::getEstimatedSize()
+{
+	return 15;
+}
+
+int UseItemPacket::getX()
+{
+	return x;
+}
+
+int UseItemPacket::getY()
+{
+	return y;
+}
+
+int UseItemPacket::getZ()
+{
+	return z;
+}
+
+int UseItemPacket::getFace()
+{
+	return face;
+}
+
+shared_ptr<ItemInstance> UseItemPacket::getItem()
+{
+	return item;
+}
+
+float UseItemPacket::getClickX()
+{
+	return clickX;
+}
+
+float UseItemPacket::getClickY()
+{
+	return clickY;
+}
+
+float UseItemPacket::getClickZ()
+{
+	return clickZ;
+}
-- 
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