tp/include/revolution/arc.h

#ifndef _REVOLUTION_ARC_H_
#define _REVOLUTION_ARC_H_

#include <revolution/types.h>

#ifdef __cplusplus
extern "C" {
#endif

#define ARC_ENTRY_NUM_INVALID (-1)

typedef struct {
    unsigned int magic;
    int fstStart;
    int fstSize;
    int fileStart;
    int pad[4];
} ARCHeader;

typedef struct {
    void* archiveStartAddr;  // 0x0
    void* FSTStart;          // 0x4
    void* fileStart;         // 0x8
    u32 entryNum;            // 0xC
    char* FSTStringStart;    // 0x10
    u32 FSTLength;           // 0x14
    u32 currDir;             // 0x18
} ARCHandle;

typedef struct {
    ARCHandle* handle;
    u32 startOffset;
    u32 length;
} ARCFileInfo;

typedef struct {
    ARCHandle* handle;
    u32 entryNum;
    u32 location;
    u32 next;
} ARCDir;

typedef struct {
    ARCHandle* handle;
    u32 entryNum;
    BOOL isDir;
    char* name;
} ARCDirEntry;

BOOL ARCInitHandle(void*, ARCHandle*);
BOOL ARCFastOpen(ARCHandle*, s32, ARCFileInfo*);
s32 ARCConvertPathToEntrynum(ARCHandle*, const char*);
void* ARCGetStartAddrInMem(ARCFileInfo*);
u32 ARCGetLength(ARCFileInfo*);
BOOL ARCClose(ARCFileInfo*);
BOOL ARCChangeDir(ARCHandle*, const char*);
BOOL ARCGetCurrentDir(ARCHandle*, char*, u32);

BOOL ARCOpenDir(ARCHandle*, const char*, ARCDir*);
BOOL ARCReadDir(ARCDir*, ARCDirEntry*);
BOOL ARCCloseDir(ARCDir*);

#ifdef __cplusplus
}
#endif

#endif  // _REVOLUTION_ARC_H_