new pack system

src/PackLib/Pack.h

@@ -0,0 +1,21 @@
+#pragma once
+#include <string>
+#include <mio/mmap.hpp>
+
+#include "config.h"
+
+class CPack : public std::enable_shared_from_this<CPack>
+{
+public:
+	CPack() = default;
+	~CPack() = default;
+
+	bool Open(const std::string& path, TPackFileMap& entries);
+	bool GetFile(const TPackFileEntry& entry, TPackFile& result);
+
+private:
+	TPackFileHeader m_header;
+	mio::mmap_source m_file;
+
+	CryptoPP::CTR_Mode<CryptoPP::Camellia>::Decryption m_decryption;
+};