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/CustomPayloadPacket.cpp | 75 +++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 Minecraft.World/CustomPayloadPacket.cpp

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

diff --git a/Minecraft.World/CustomPayloadPacket.cpp b/Minecraft.World/CustomPayloadPacket.cpp
new file mode 100644
index 00000000..29e2828e
--- /dev/null
+++ b/Minecraft.World/CustomPayloadPacket.cpp
@@ -0,0 +1,75 @@
+#include "stdafx.h"
+#include "InputOutputStream.h"
+#include "PacketListener.h"
+#include "BasicTypeContainers.h"
+#include "CustomPayloadPacket.h"
+
+// Mojang-defined custom packets
+const wstring CustomPayloadPacket::CUSTOM_BOOK_PACKET = L"MC|BEdit";
+const wstring CustomPayloadPacket::CUSTOM_BOOK_SIGN_PACKET = L"MC|BSign";
+const wstring CustomPayloadPacket::TEXTURE_PACK_PACKET = L"MC|TPack";
+const wstring CustomPayloadPacket::TRADER_LIST_PACKET = L"MC|TrList";
+const wstring CustomPayloadPacket::TRADER_SELECTION_PACKET = L"MC|TrSel";
+const wstring CustomPayloadPacket::SET_ADVENTURE_COMMAND_PACKET = L"MC|AdvCdm";
+const wstring CustomPayloadPacket::SET_BEACON_PACKET = L"MC|Beacon";
+const wstring CustomPayloadPacket::SET_ITEM_NAME_PACKET = L"MC|ItemName";
+
+CustomPayloadPacket::CustomPayloadPacket()
+{
+}
+
+CustomPayloadPacket::CustomPayloadPacket(const wstring &identifier, byteArray data)
+{
+	this->identifier = identifier;
+	this->data = data;
+
+	if (data.data != NULL)
+	{
+		length = data.length;
+
+		if (length > Short::MAX_VALUE)
+		{
+			app.DebugPrintf("Payload may not be larger than 32K\n");
+#ifndef _CONTENT_PACKAGE
+			__debugbreak();
+#endif
+			//throw new IllegalArgumentException("Payload may not be larger than 32k");
+		}
+	}
+}
+
+void CustomPayloadPacket::read(DataInputStream *dis)
+{
+	identifier = readUtf(dis, 20);
+	length = dis->readShort();
+
+	if (length > 0 && length < Short::MAX_VALUE)
+	{
+		if(data.data != NULL)
+		{
+			delete [] data.data;
+		}
+		data = byteArray(length);
+		dis->readFully(data);
+	}
+}
+
+void CustomPayloadPacket::write(DataOutputStream *dos)
+{
+	writeUtf(identifier, dos);
+	dos->writeShort((short) length);
+	if (data.data != NULL)
+	{
+		dos->write(data);
+	}
+}
+
+void CustomPayloadPacket::handle(PacketListener *listener)
+{
+	listener->handleCustomPayload( shared_from_this() );
+}
+
+int CustomPayloadPacket::getEstimatedSize()
+{
+	return 2 + identifier.length() * 2 + 2 + length;
+}
\ No newline at end of file
-- 
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