patch.h

#ifndef PATCH_H_INCLUDED
#define PATCH_H_INCLUDED

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
//#include <windows.h>
#include "crc32.h"

#define INITT 1
#define CHECKK 2
#define APPLY 3
#define DONE 4
#define ERRORR 5

typedef struct {
    unsigned long psize; // ðàçìåð ôàéëà ïîñëå ïðèìåíåíèÿ ïàò÷à
    unsigned long osize; // ðàçìåð îðèãèíàëüíîãî ôàéëà
    unsigned long crc32; // êîíòðîëüíàÿ ñóììà îðèãèíàëà
    unsigned long packed; // åñëè óïàêîâàí, òî packed=ðàçìåð óïàêîâàííîãî ôàéëà, èíà÷å = 0
} FileInfo;

class PatchClass
{
    private:
//	PatchInfo *Pinfo; // çàãîëîâîê
        char description[128]; // êðàòêîå îïèñàíèå ïàò÷à^M
        unsigned long num; // êîëè÷åñòâî ôàéëîâ^M

	unsigned char *mainbuf; // îñíîâíîé áóôåð
	unsigned long offset; // ñìåùåíèå áóôåðà, íà âñÿêèé ñëó÷àé mainbuf íå òðîãàþ
	unsigned long startoffset; // ñìåùåíèå íà÷àëà äàííûõ
	unsigned char *srcbuf; // áóôåð
	unsigned char *destbuf; // áóôåð
	char regpath[128]; // ïóòü ê èãðå â ðååñòðå
	char regkey[32]; // êëþ÷ â êîòîðîì õðàíèòñÿ ïóòü ê èãðå íà êîìïüþòåðå
	char gamepath[256]; // ïóòü ê èãðå
	char process; // òåêóùèé ïðîöåññ
	int current; // òåêóùèé ôàéë
	FileInfo FI; // òåêóùèé çàãîëîâîê
	char currentpath[256]; // òåêóùèé ïóòü
	bool nocrc; // îòêëþ÷èòü ïðîâåðêó CRC
	bool patchanyway; // ñòàâèòü íå ñìîòðÿ íà íåñîîòâåòñòâèå ðàçìåðîâ
//	HWND hwnd; // îêíî

	
	void GetString(char *buf); // ñ÷èòûâàíèå ñòðîêè èç îñíîâíîãî áóôåðà, äëèíà ñòðîêè âìåñòå ñ çàâåðøàþùèì íîë¸ì - long
	bool CheckNextCRC(); // ïðîâåðèèòü CRC ñëåäóþùåãî ôàéëà
	bool PatchNext(); // ïàò÷èòü ñëåäóþùèé ôàéë
	void abortProcess() { // ñáðîñ ïàðàìåòðîâ
		process=0;
		offset=startoffset;
		current=0;
	}
	void createDiff(unsigned long size); // ïðèìåíèòü ïàò÷

    public:

//PatchInfo *Pinfo;
	PatchClass(unsigned char *buf);
	bool getGamePath(char *buf);
	char *getCurrentPath() { return currentpath; }
	char *getTitle() { return description; }
	char getProcess() { return process; }
	bool check(char *path);
	~PatchClass();
};

#endif // PATCH_H_INCLUDED