mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-11 04:24:24 +01:00
133 lines
2.7 KiB
C
133 lines
2.7 KiB
C
/*
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PLAYLOG.C
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This code allows to modify play_rec.dat in order to store the
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game time in Wii's log correctly.
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by Marc
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Thanks to tueidj for giving me some hints on how to do it :)
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Most of the code was taken from here:
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http://forum.wiibrew.org/read.php?27,22130
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*/
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#include <stdio.h>
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#include <string.h>
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#include <ogcsys.h>
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#include "gecko/gecko.hpp"
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#define PLAYRECPATH "/title/00000001/00000002/data/play_rec.dat"
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#define SECONDS_TO_2000 946684800LL
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#define TICKS_PER_SECOND 60750000LL
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typedef union
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{
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struct
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{
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u32 checksum;
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u16 name[0x28];
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u32 padding1;
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u64 ticks_boot;
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u64 ticks_last;
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char title_id[6];
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u16 padding2[9];
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};
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struct
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{
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u32 _checksum;
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u32 data[0x1f];
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};
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} ATTRIBUTE_PACKED playtime_t;
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playtime_t playrec_buf;
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// Thanks to Dr. Clipper
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u64 getWiiTime(void)
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{
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time_t uTime = time(NULL);
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return TICKS_PER_SECOND * (uTime - SECONDS_TO_2000);
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}
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int Playlog_Update(const char ID[6], const u8 title[84])
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{
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gprintf("Update Play log\n");
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u32 sum = 0;
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u8 i;
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//Open play_rec.dat
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s32 playrec_fd = IOS_Open(PLAYRECPATH, IPC_OPEN_RW);
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if(playrec_fd == -106)
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{
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gprintf("IOS_Open error ret: %i\n",playrec_fd);
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IOS_Close(playrec_fd);
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//In case the play_rec.dat wasn´t found create one and try again
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if(ISFS_CreateFile(PLAYRECPATH,0,3,3,3) < 0 )
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goto error_2;
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playrec_fd = IOS_Open(PLAYRECPATH, IPC_OPEN_RW);
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if(playrec_fd < 0)
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goto error_2;
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}
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else if(playrec_fd < 0)
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goto error_2;
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u64 stime = getWiiTime();
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playrec_buf.ticks_boot = stime;
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playrec_buf.ticks_last = stime;
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//Update channel name and ID
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memcpy(playrec_buf.name, title, 84);
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strcpy(playrec_buf.title_id, ID);
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memset(playrec_buf.padding2, 0, 18);
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//Calculate and update checksum
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for(i=0; i<31; i++)
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sum += playrec_buf.data[i];
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playrec_buf.checksum=sum;
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//Write play_rec.dat
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if(IOS_Write(playrec_fd, &playrec_buf, sizeof(playrec_buf)) != sizeof(playrec_buf))
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goto error_1;
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IOS_Close(playrec_fd);
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return 0;
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error_1:
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gprintf("error_1\n");
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IOS_Close(playrec_fd);
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error_2:
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gprintf("error_2\n");
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return -1;
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}
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int Playlog_Delete(void) //Make Wiiflow not show in playlog
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{
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//Open play_rec.dat
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s32 playrec_fd = IOS_Open(PLAYRECPATH, IPC_OPEN_RW);
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if(playrec_fd < 0)
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goto error_2;
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//Read play_rec.dat
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if(IOS_Read(playrec_fd, &playrec_buf, sizeof(playrec_buf)) != sizeof(playrec_buf))
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goto error_1;
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if(IOS_Seek(playrec_fd, 0, 0) < 0)
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goto error_1;
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// invalidate checksum
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playrec_buf.checksum=0;
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if(IOS_Write(playrec_fd, &playrec_buf, sizeof(playrec_buf)) != sizeof(playrec_buf))
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goto error_1;
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IOS_Close(playrec_fd);
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return 0;
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error_1:
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IOS_Close(playrec_fd);
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error_2:
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return -1;
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}
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