diff --git a/Source/Network/Packets/PacketLengths.cpp b/Source/Network/Packets/PacketLengths.cpp
index a2aaa0c5..966968c7 100644
--- a/Source/Network/Packets/PacketLengths.cpp
+++ b/Source/Network/Packets/PacketLengths.cpp
@@ -66,6 +66,17 @@ PacketLengths::PacketLengths() {
   this->Initialize();
 }
 
+// OFFSET: 0x00B01F40
+// FUNCTION: fn_18384
+PacketLengths::~PacketLengths() {
+}
+
+// OFFSET: 0x00B02100
+// FUNCTION: fn_18385
+void PacketLengths::Register(int id, int length, int variable, int record) {
+  this->m_values.try_emplace(id, PacketLengthValue{length, variable, record});
+}
+
 // OFFSET: 0x00B02210
 // FUNCTION: fn_18386
 int PacketLengths::IsRecorded(int id) const {
diff --git a/Source/Network/Packets/PacketLengths.h b/Source/Network/Packets/PacketLengths.h
index 80ff8a5a..8b23475c 100644
--- a/Source/Network/Packets/PacketLengths.h
+++ b/Source/Network/Packets/PacketLengths.h
@@ -18,6 +18,7 @@ struct PacketLengthResult {
 class PacketLengths {
 public:
   PacketLengths();
+  ~PacketLengths();
   PacketLengthResult Lookup(int id) const;
   int FixedLength(int id) const;
   int IsRecorded(int id) const;
@@ -25,6 +26,7 @@ public:
 private:
   /* 0000 */ std::map<int, PacketLengthValue> m_values;
   void Initialize();
+  void Register(int id, int length, int variable, int record);
 };
 
 extern PacketLengths g_packetLengths;