dolphin/Source/Core/DiscIO/Src/VolumeWad.cpp

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// Copyright (C) 2003 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "stdafx.h"
#include <math.h>
#include "VolumeWad.h"
#include "StringUtil.h"
#include "MathUtil.h"
#define ALIGN_40(x) ROUND_UP(Common::swap32(x), 0x40)
namespace DiscIO
{
CVolumeWAD::CVolumeWAD(IBlobReader* _pReader)
: m_pReader(_pReader), OpeningBnrOffset(0), hdr_size(0), cert_size(0), tick_size(0), tmd_size(0), data_size(0)
{
Read(0x00, 4, (u8*)&hdr_size);
Read(0x08, 4, (u8*)&cert_size);
Read(0x10, 4, (u8*)&tick_size);
Read(0x14, 4, (u8*)&tmd_size);
Read(0x18, 4, (u8*)&data_size);
OpeningBnrOffset = ALIGN_40(hdr_size) + ALIGN_40(cert_size) + ALIGN_40(tick_size) + ALIGN_40(tmd_size) + ALIGN_40(data_size);
}
CVolumeWAD::~CVolumeWAD()
{
delete m_pReader;
}
bool CVolumeWAD::Read(u64 _Offset, u64 _Length, u8* _pBuffer) const
{
if (m_pReader == NULL)
return false;
return m_pReader->Read(_Offset, _Length, _pBuffer);
}
IVolume::ECountry CVolumeWAD::GetCountry() const
{
if (!m_pReader)
return COUNTRY_UNKNOWN;
u8 CountryCode;
u32 Offset = ALIGN_40(hdr_size) + ALIGN_40(cert_size);
// read the last digit of the titleID in the ticket
Read(Offset + 0x01E3, 1, &CountryCode);
return CountrySwitch(CountryCode);
}
std::string CVolumeWAD::GetUniqueID() const
{
std::string temp = GetMakerID();
u32 Offset = ALIGN_40(hdr_size) + ALIGN_40(cert_size);
char GameCode[8];
if(!Read(Offset + 0x01E0, 4, (u8*)GameCode))
return "0";
GameCode[4] = temp.at(0);
GameCode[5] = temp.at(1);
GameCode[6] = 0;
return GameCode;
}
std::string CVolumeWAD::GetMakerID() const
{
u32 Offset = ALIGN_40(hdr_size) + ALIGN_40(cert_size) + ALIGN_40(tick_size);
char temp[3] = {1};
// Some weird channels use 0x0000 in place of the MakerID, so we need a check there
if (!Read(0x198 + Offset, 2, (u8*)temp) || temp[0] == 0 || temp[1] == 0)
return "00";
temp[2] = 0;
return temp;
}
bool CVolumeWAD::GetTitleID(u8* _pBuffer) const
{
u32 Offset = ALIGN_40(hdr_size) + ALIGN_40(cert_size);
if(!Read(Offset + 0x01DC, 8, _pBuffer))
return false;
return true;
}
std::string CVolumeWAD::GetName() const
{
u32 footer_size;
if (!Read(0x1C, 4, (u8*)&footer_size))
return "Unknown";
// Offset to the english title
char temp[85];
if (!Read(0xF1 + OpeningBnrOffset, 84, (u8*)&temp) || Common::swap32(footer_size) < 0xF1)
return "Unknown";
char out_temp[43];
int j = 0;
for (int i=0; i < 84; i++)
{
if (!(i & 1))
{
if (temp[i] != 0)
out_temp[j] = temp[i];
else
{
// Some wads have a few consecutive Null chars followed by text
// as i don't know what to do there: replace the frst one with space
if (out_temp[j-1] != 32)
out_temp[j] = 32;
else
continue;
}
j++;
}
}
out_temp[j] = 0;
return out_temp;
}
u64 CVolumeWAD::GetSize() const
{
if (m_pReader)
return (size_t)m_pReader->GetDataSize();
else
return 0;
}
} // namespace