mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-18 17:29:17 +01:00
122 lines
2.3 KiB
C++
122 lines
2.3 KiB
C++
#include <malloc.h>
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#include <stdio.h>
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#include "usbloader/disc.h"
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#include "usbloader/wbfs.h"
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#include "utils/uncompress.h"
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#include "OpeningBNR.hpp"
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BNRInstance * BNRInstance::instance = NULL;
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OpeningBNR::OpeningBNR()
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: imetHdr(0)
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{
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memset(gameID, 0, sizeof(gameID));
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}
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OpeningBNR::~OpeningBNR()
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{
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if(imetHdr)
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free(imetHdr);
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}
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bool OpeningBNR::Load(const u8 * discid)
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{
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if(!discid)
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return false;
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if(memcmp(gameID, discid, 6) == 0)
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return true;
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if(imetHdr)
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free(imetHdr);
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imetHdr = NULL;
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snprintf(gameID, sizeof(gameID), (const char *) discid);
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wbfs_disc_t *disc = WBFS_OpenDisc((u8 *) gameID);
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if (!disc)
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return false;
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wiidisc_t *wdisc = wd_open_disc((int(*)(void *, u32, u32, void *)) wbfs_disc_read, disc);
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if (!wdisc)
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{
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WBFS_CloseDisc(disc);
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return false;
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}
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imetHdr = (IMETHeader*) wd_extract_file(wdisc, ALL_PARTITIONS, (char *) "opening.bnr");
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wd_close_disc(wdisc);
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WBFS_CloseDisc(disc);
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if(!imetHdr)
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return false;
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if (imetHdr->fcc != 'IMET')
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{
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free(imetHdr);
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imetHdr = NULL;
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return false;
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}
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return true;
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}
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const u16 * OpeningBNR::GetIMETTitle(int lang)
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{
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if(!imetHdr || lang < 0 || lang >= 10)
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return NULL;
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if(imetHdr->names[lang][0] == 0)
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lang = CONF_LANG_ENGLISH;
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return imetHdr->names[lang];
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}
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const u8 * OpeningBNR::GetBannerSound(u32 * size)
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{
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if(!imetHdr)
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return NULL;
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const U8Header *bnrArcHdr = (U8Header *) (imetHdr + 1);
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const U8Entry *fst = (const U8Entry *) (((const u8 *) bnrArcHdr) + bnrArcHdr->rootNodeOffset);
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u32 i;
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for (i = 1; i < fst[0].numEntries; ++i)
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if (fst[i].fileType == 0 && strcasecmp(u8Filename(fst, i), "sound.bin") == 0) break;
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if (i >= fst[0].numEntries)
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{
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return NULL;
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}
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const u8 *sound_bin = ((const u8 *) bnrArcHdr) + fst[i].fileOffset;
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if (((IMD5Header *) sound_bin)->fcc != 'IMD5')
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{
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return NULL;
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}
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const u8 *soundChunk = sound_bin + sizeof(IMD5Header);
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u32 soundChunkSize = fst[i].fileLength - sizeof(IMD5Header);
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if (*((u32*) soundChunk) == 'LZ77')
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{
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u32 uncSize = 0;
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u8 * uncompressed_data = uncompressLZ77(soundChunk, soundChunkSize, &uncSize);
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if (!uncompressed_data)
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{
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return NULL;
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}
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if (size) *size = uncSize;
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return uncompressed_data;
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}
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u8 *out = (u8 *) malloc(soundChunkSize);
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if (out)
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{
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memcpy(out, soundChunk, soundChunkSize);
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if (size) *size = soundChunkSize;
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}
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return out;
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}
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