feat: parse group headers

Code/es_loader/Records/Group.h

@@ -0,0 +1,16 @@
+#pragma once
+
+class Group
+{
+    Group() = delete;
+
+private:
+    char m_label[4];
+    int32_t m_groupType;
+    uint16_t m_formVersion;
+    uint16_t m_versionControl;
+    uint32_t m_unk;
+};
+
+static_assert(sizeof(Group) == 0x10);
+

Code/es_loader/Records/Record.h

@@ -22,10 +22,9 @@ class Record
     uint32_t m_dataSize;
     uint32_t m_flags;
     uint32_t m_formId;
-    uint16_t m_timestamp;
-    uint16_t m_versionInfo;
-    uint16_t m_internalVersion;
-    uint16_t m_unk;
+    uint32_t m_versionControl;
+    uint16_t m_formVersion;
+    uint16_t m_vcVersion;
 };
 
 static_assert(sizeof(Record) == 0x18);

Code/es_loader/TESFile.cpp

@@ -3,6 +3,8 @@
 #include <filesystem>
 #include <fstream>
 
+#include "Records/Group.h"
+
 TESFile::TESFile(const std::filesystem::path& acPath)
 {
     m_filename = acPath.filename().string();
@@ -18,6 +20,23 @@ TESFile::TESFile(const std::filesystem::path& acPath)
 
 void TESFile::BuildFormIdRecordMap() noexcept
 {
+    // TODO: I changed TiltedCore locally to expose GetBytePosition() publicly
+    Buffer::Reader reader(&m_buffer);
+
+    while (!reader.Eof())
+    {
+        uint32_t type = Serialization::ReadVarInt(reader) & 0xFFFFFFFF;
+        uint32_t size = Serialization::ReadVarInt(reader) & 0xFFFFFFFF;
+
+        if (type == 0x50555247) // GRUP
+        {
+            const Group* pGroup = reinterpret_cast<const Group*>(m_buffer.GetData() + reader.GetBytePosition());
+        }
+        else
+        {
+
+        }
+    }
 }
 
 template<class T>

Code/es_loader/stdafx.h

@@ -11,8 +11,10 @@
 #include <TiltedCore/Filesystem.hpp>
 #include <TiltedCore/Stl.hpp>
 #include <TiltedCore/Buffer.hpp>
+#include <TiltedCore/Serialization.hpp>
 
 #include <spdlog/spdlog.h>
 
 using namespace TiltedPhoques;
+using TiltedPhoques::Serialization;