Add pack runtime profiling hooks

src/PackLib/Pack.h

@@ -14,6 +14,7 @@ public:
 
 	bool Load(const std::string& path);
 	const std::vector<TPackFileEntry>& GetIndex() const { return m_index; }
+	const std::string& GetSourcePath() const { return m_source_path; }
 
 	bool GetFile(const TPackFileEntry& entry, TPackFile& result);
 	bool GetFileWithPool(const TPackFileEntry& entry, TPackFile& result, CBufferPool* pPool);
@@ -22,6 +23,7 @@ private:
 	void DecryptData(uint8_t* data, size_t len, const uint8_t* nonce);
 
 	TPackFileHeader m_header;
+	std::string m_source_path;
 	std::vector<TPackFileEntry> m_index;
 	mio::mmap_source m_file;
 };