unpak.h

体现了lod(level of detail)算法 包括网格细分,空间层次

#ifndef UNPAK_H
#define	UNPAK_H

#include	<windows.h>
#include	"unzip.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
	char	name[256];
	DWORD	attr;
	DWORD	offset;
	DWORD	size;
	DWORD	c_offset;
} fileinfo_t;

typedef struct
{
	char			pak_name[256];
	unzFile			uf;
	unz_global_info	gi;
	fileinfo_t		*fi;
} packfile_t;

int		PackFileOpen (packfile_t *pf, const char *zname);
void	PackFileClose (packfile_t *pf);
int		PackFileGet (packfile_t *pf, char *fname, char **buf);
int		MyPackFileGet (packfile_t *pf, char *fname, unsigned char **buf);
int		PackFileGetFilesNumber (packfile_t *pf);
char	*PackFileGetFileName (packfile_t *pf, int num);

#ifdef __cplusplus
}
#endif

#endif