usbloadergx/source/banner/OpeningBNR.cpp

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#include <malloc.h>
#include <stdio.h>
#include "usbloader/disc.h"
#include "usbloader/wbfs.h"
#include "utils/uncompress.h"
#include "OpeningBNR.hpp"
BNRInstance * BNRInstance::instance = NULL;
OpeningBNR::OpeningBNR()
: imetHdr(0)
{
memset(gameID, 0, sizeof(gameID));
}
OpeningBNR::~OpeningBNR()
{
if(imetHdr)
free(imetHdr);
}
bool OpeningBNR::Load(const u8 * discid)
{
if(!discid)
return false;
if(memcmp(gameID, discid, 6) == 0)
return true;
if(imetHdr)
free(imetHdr);
imetHdr = NULL;
snprintf(gameID, sizeof(gameID), (const char *) discid);
wbfs_disc_t *disc = WBFS_OpenDisc((u8 *) gameID);
if (!disc)
return false;
wiidisc_t *wdisc = wd_open_disc((int(*)(void *, u32, u32, void *)) wbfs_disc_read, disc);
if (!wdisc)
{
WBFS_CloseDisc(disc);
return false;
}
imetHdr = (IMETHeader*) wd_extract_file(wdisc, ALL_PARTITIONS, (char *) "opening.bnr");
wd_close_disc(wdisc);
WBFS_CloseDisc(disc);
if(!imetHdr)
return false;
if (imetHdr->fcc != 'IMET')
{
free(imetHdr);
imetHdr = NULL;
return false;
}
return true;
}
const u16 * OpeningBNR::GetIMETTitle(int lang)
{
if(!imetHdr || lang < 0 || lang >= 10)
return NULL;
if(imetHdr->names[lang][0] == 0)
lang = CONF_LANG_ENGLISH;
return imetHdr->names[lang];
}
const u8 * OpeningBNR::GetBannerSound(u32 * size)
{
if(!imetHdr)
return NULL;
const U8Header *bnrArcHdr = (U8Header *) (imetHdr + 1);
const U8Entry *fst = (const U8Entry *) (((const u8 *) bnrArcHdr) + bnrArcHdr->rootNodeOffset);
u32 i;
for (i = 1; i < fst[0].numEntries; ++i)
if (fst[i].fileType == 0 && strcasecmp(u8Filename(fst, i), "sound.bin") == 0) break;
if (i >= fst[0].numEntries)
{
return NULL;
}
const u8 *sound_bin = ((const u8 *) bnrArcHdr) + fst[i].fileOffset;
if (((IMD5Header *) sound_bin)->fcc != 'IMD5')
{
return NULL;
}
const u8 *soundChunk = sound_bin + sizeof(IMD5Header);
u32 soundChunkSize = fst[i].fileLength - sizeof(IMD5Header);
if (*((u32*) soundChunk) == 'LZ77')
{
u32 uncSize = 0;
u8 * uncompressed_data = uncompressLZ77(soundChunk, soundChunkSize, &uncSize);
if (!uncompressed_data)
{
return NULL;
}
if (size) *size = uncSize;
return uncompressed_data;
}
u8 *out = (u8 *) malloc(soundChunkSize);
if (out)
{
memcpy(out, soundChunk, soundChunkSize);
if (size) *size = soundChunkSize;
}
return out;
}