initial commit

libnpk/source/libNPK_NPKFile.h

@@ -0,0 +1,65 @@
+#pragma once
+
+#include "libNPK.h"
+
+namespace NPK
+{
+
+class CNPKFile : public INPKFile
+{
+public:
+	//"NeoplePack_Bill\0"
+	static const char* kNPKFileHeaderMagic;
+	static const int32_t kNPKFileHeaderMagicSize = 16;
+
+	//"puchikon@neople dungeon and fighter DNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDN..."
+	static const char* kNPKFileNameXorCode;
+	static const int32_t kNPKFileNameXorCodeSize = 256;
+
+	typedef struct {
+		char szFileHeadMagic[kNPKFileHeaderMagicSize];
+		int32_t nFileCounts;
+	} NPKFileHeader;
+
+	typedef struct {
+		uint32_t fileOffset;
+		uint32_t fileSize;
+		char szFileName[256];
+	} FileInfo;
+
+public:
+	virtual bool openPakFile(const char* szPackFileName) override;
+
+	virtual bool closePakFile(void) override;
+
+	virtual int32_t getFileCount(void) const override { 
+		return m_nFileCounts; 
+	}
+
+	virtual bool getFileNode(int32_t index, FileNode& fileNode) const override;
+
+	virtual IFileStream* openFileStream(const char* szFileName) override;
+
+	virtual void closeFileStream(IFileStream* fileStream) override;
+
+private:
+	bool checkPakFileHash(void);
+	void buildHashFileList(void);
+
+private:
+	std::string m_strPackFileName;
+	HANDLE m_hPakFile = NULL;
+	int32_t m_nFileCounts = 0;
+
+	typedef std::vector<FileNode> FileList;
+	FileList m_fileList;
+
+	typedef std::unordered_map<std::string, int32_t> FileHashList;
+	FileHashList m_hashFileList;
+
+public:
+	CNPKFile();
+	virtual ~CNPKFile();
+};
+
+}