WiiFlow_Lite/source/gc/gcdisc.cpp

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/****************************************************************************
* Copyright (C) 2012 FIX94
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#include "gcdisc.hpp"
#include "loader/gc_disc_dump.hpp"
#include "mem2.hpp"
#include "gecko.h"
#include "gc.h"
using namespace std;
void GC_Disc::init(char *path)
{
opening_bnr = NULL;
FSTable = NULL;
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strncpy(GamePath, path, sizeof(GamePath));
FILE *f = NULL;
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if(strcasestr(GamePath, "boot.bin") != NULL)
{
GameType = TYPE_FST;
string fst(GamePath);
fst.erase(fst.end() - 8, fst.end());
fst.append("fst.bin");
f = fopen(fst.c_str(), "rb");
if(f == NULL)
return;
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fseek(f, 0, SEEK_END);
u32 size = ftell(f);
fseek(f, 0, SEEK_SET);
Read_FST(f, size);
fclose(f);
}
else
{
GameType = TYPE_ISO;
f = fopen(GamePath, "rb");
if(f == NULL)
return;
u8 *ReadBuffer = (u8*)malloc(0x440);
if(ReadBuffer == NULL)
return;
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fread(ReadBuffer, 1, 0x440, f);
u32 FSTOffset = *(vu32*)(ReadBuffer+0x424);
u32 FSTSize = *(vu32*)(ReadBuffer+0x428);
free(ReadBuffer);
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fseek(f, FSTOffset, SEEK_SET);
Read_FST(f, FSTSize);
fclose(f);
}
}
void GC_Disc::clear()
{
if(opening_bnr)
{
free(opening_bnr);
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opening_bnr = NULL;
}
if(FSTable)
{
free(FSTable);
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FSTable = NULL;
}
}
void GC_Disc::Read_FST(FILE *f, u32 FST_size)
{
FSTable = (u8*)malloc(FST_size);
if(FSTable == NULL)
return;
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fread(FSTable, 1, FST_size, f);
FSTEnt = *(vu32*)(FSTable+0x08);
FSTNameOff = (char*)(FSTable + FSTEnt * 0x0C);
}
u8 *GC_Disc::GetGameCubeBanner()
{
if(FSTable == NULL)
return NULL;
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FILE *f = NULL;
FST *fst = (FST *)(FSTable);
for(u32 i = 1; i < FSTEnt; ++i)
{
if(fst[i].Type) //Folder
continue;
else if(strcasecmp(FSTNameOff + fst[i].NameOffset, "opening.bnr") == 0)
{
if(GameType == TYPE_FST)
{
string path(GamePath);
path.erase(path.end() - 12, path.end());
path.append("root/opening.bnr");
f = fopen(path.c_str(), "rb");
}
else
{
f = fopen(GamePath, "rb");
fseek(f, fst[i].FileOffset, SEEK_SET);
}
if(f)
{
opening_bnr = (u8*)malloc(fst[i].FileLength);
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fread(opening_bnr, 1, fst[i].FileLength, f);
fclose(f);
}
}
}
return opening_bnr;
}