mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-05 02:55:07 +01:00
164 lines
3.0 KiB
C
164 lines
3.0 KiB
C
/*
|
||
PLAYLOG.C
|
||
This code allows to modify play_rec.dat in order to store the
|
||
game time in Wii's log correctly.
|
||
|
||
by Marc
|
||
Thanks to tueidj for giving me some hints on how to do it :)
|
||
Most of the code was taken from here:
|
||
http://forum.wiibrew.org/read.php?27,22130
|
||
|
||
Modified by Dimok
|
||
*/
|
||
|
||
#include <stdio.h>
|
||
#include <string.h>
|
||
#include <ogcsys.h>
|
||
#include <malloc.h>
|
||
#include "gecko.h"
|
||
#include "utils/tools.h"
|
||
|
||
#define SECONDS_TO_2000 946684800LL
|
||
#define TICKS_PER_SECOND 60750000LL
|
||
|
||
//! Should be 32 byte aligned
|
||
static const char PLAYRECPATH[] ATTRIBUTE_ALIGN(32) = "/title/00000001/00000002/data/play_rec.dat";
|
||
|
||
typedef struct _PlayRec
|
||
{
|
||
u32 checksum;
|
||
union
|
||
{
|
||
u32 data[31];
|
||
struct
|
||
{
|
||
u16 name[42];
|
||
u64 ticks_boot;
|
||
u64 ticks_last;
|
||
char title_id[6];
|
||
char unknown[18];
|
||
} ATTRIBUTE_PACKED;
|
||
};
|
||
} PlayRec;
|
||
|
||
// Thanks to Dr. Clipper
|
||
static u64 getWiiTime(void)
|
||
{
|
||
time_t uTime = time(NULL);
|
||
return TICKS_PER_SECOND * (uTime - SECONDS_TO_2000);
|
||
}
|
||
|
||
int Playlog_Create(void)
|
||
{
|
||
s32 fd = IOS_Open(PLAYRECPATH, IPC_OPEN_RW);
|
||
if(fd >= 0)
|
||
{
|
||
//exists
|
||
IOS_Close(fd);
|
||
return 0;
|
||
}
|
||
|
||
ISFS_Initialize();
|
||
|
||
//In case the play_rec.dat wasn´t found create one and try again
|
||
int ret = ISFS_CreateFile(PLAYRECPATH, 0, 3, 3, 3);
|
||
if(ret >= 0)
|
||
ISFS_SetAttr(PLAYRECPATH, 0x1000, 1, 0, 3, 3, 3);
|
||
|
||
ISFS_Deinitialize();
|
||
|
||
return ret;
|
||
}
|
||
|
||
int Playlog_Update(const char * ID, const u16 * title)
|
||
{
|
||
if(!ID || !title)
|
||
return -1;
|
||
|
||
s32 fd = -1, res = -1;
|
||
u32 sum = 0;
|
||
u8 i;
|
||
|
||
//Open play_rec.dat
|
||
fd = IOS_Open(PLAYRECPATH, IPC_OPEN_RW);
|
||
if(fd == -106)
|
||
{
|
||
//In case the play_rec.dat wasn´t found create one and try again
|
||
int ret = Playlog_Create();
|
||
if(ret < 0)
|
||
return ret;
|
||
|
||
fd = IOS_Open(PLAYRECPATH, IPC_OPEN_RW);
|
||
}
|
||
|
||
if(fd < 0)
|
||
return res;
|
||
|
||
PlayRec * playrec_buf = memalign(32, ALIGN32(sizeof(PlayRec))); //! Should be 32 byte aligned
|
||
if(!playrec_buf)
|
||
{
|
||
IOS_Close(fd);
|
||
return res;
|
||
}
|
||
|
||
memset(playrec_buf, 0, sizeof(PlayRec));
|
||
|
||
u64 stime = getWiiTime();
|
||
playrec_buf->ticks_boot = stime;
|
||
playrec_buf->ticks_last = stime;
|
||
|
||
//Update channel name and ID
|
||
memcpy(playrec_buf->name, title, 84);
|
||
memcpy(playrec_buf->title_id, ID, 6);
|
||
|
||
//Calculate and update checksum
|
||
for(i = 0; i < 31; i++)
|
||
sum += playrec_buf->data[i];
|
||
|
||
playrec_buf->checksum = sum;
|
||
|
||
//Write play_rec.dat
|
||
if(IOS_Write(fd, playrec_buf, sizeof(PlayRec)) == sizeof(PlayRec))
|
||
res = 0;
|
||
|
||
IOS_Close(fd);
|
||
|
||
free(playrec_buf);
|
||
|
||
return res;
|
||
}
|
||
|
||
int Playlog_Delete(void)
|
||
{
|
||
s32 res = -1;
|
||
|
||
//Open play_rec.dat
|
||
s32 fd = IOS_Open(PLAYRECPATH, IPC_OPEN_RW);
|
||
if(fd < 0)
|
||
return fd;
|
||
|
||
PlayRec * playrec_buf = memalign(32, ALIGN32(sizeof(PlayRec)));
|
||
if(!playrec_buf)
|
||
goto cleanup;
|
||
|
||
//Read play_rec.dat
|
||
if(IOS_Read(fd, playrec_buf, sizeof(PlayRec)) != sizeof(PlayRec))
|
||
goto cleanup;
|
||
|
||
if(IOS_Seek(fd, 0, 0) < 0)
|
||
goto cleanup;
|
||
|
||
// invalidate checksum
|
||
playrec_buf->checksum = 0;
|
||
|
||
if(IOS_Write(fd, playrec_buf, sizeof(PlayRec)) != sizeof(PlayRec))
|
||
goto cleanup;
|
||
|
||
res = 0;
|
||
|
||
cleanup:
|
||
free(playrec_buf);
|
||
IOS_Close(fd);
|
||
return res;
|
||
}
|