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https://github.com/dolphin-emu/dolphin.git
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c88126233b
remove annoying assert for invalid loaders on disc titles. Fixes issue 4287. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7514 8ced0084-cf51-0410-be5f-012b33b47a6e
150 lines
3.6 KiB
C++
150 lines
3.6 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include <math.h>
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#include "VolumeWad.h"
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#include "StringUtil.h"
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#include "MathUtil.h"
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#define ALIGN_40(x) ROUND_UP(Common::swap32(x), 0x40)
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namespace DiscIO
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{
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CVolumeWAD::CVolumeWAD(IBlobReader* _pReader)
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: m_pReader(_pReader), OpeningBnrOffset(0), hdr_size(0), cert_size(0), tick_size(0), tmd_size(0), data_size(0)
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{
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Read(0x00, 4, (u8*)&hdr_size);
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Read(0x08, 4, (u8*)&cert_size);
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Read(0x10, 4, (u8*)&tick_size);
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Read(0x14, 4, (u8*)&tmd_size);
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Read(0x18, 4, (u8*)&data_size);
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u32 TmdOffset = ALIGN_40(hdr_size) + ALIGN_40(cert_size) + ALIGN_40(tick_size);
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OpeningBnrOffset = TmdOffset + ALIGN_40(tmd_size) + ALIGN_40(data_size);
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// read the last digit of the titleID in the ticket
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Read(TmdOffset + 0x0193, 1, &m_Country);
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if (m_Country == 2) // SYSMENU
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{
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u16 titlever = 0;
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Read(TmdOffset + 0x01dc, 2, (u8*)&titlever);
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m_Country = GetSysMenuRegion(Common::swap16(titlever));
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}
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}
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CVolumeWAD::~CVolumeWAD()
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{
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delete m_pReader;
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}
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bool CVolumeWAD::Read(u64 _Offset, u64 _Length, u8* _pBuffer) const
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{
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if (m_pReader == NULL)
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return false;
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return m_pReader->Read(_Offset, _Length, _pBuffer);
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}
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IVolume::ECountry CVolumeWAD::GetCountry() const
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{
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if (!m_pReader)
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return COUNTRY_UNKNOWN;
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return CountrySwitch(m_Country);
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}
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std::string CVolumeWAD::GetUniqueID() const
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{
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std::string temp = GetMakerID();
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u32 Offset = ALIGN_40(hdr_size) + ALIGN_40(cert_size);
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char GameCode[8];
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if(!Read(Offset + 0x01E0, 4, (u8*)GameCode))
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return "0";
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GameCode[4] = temp.at(0);
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GameCode[5] = temp.at(1);
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GameCode[6] = 0;
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return GameCode;
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}
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std::string CVolumeWAD::GetMakerID() const
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{
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u32 Offset = ALIGN_40(hdr_size) + ALIGN_40(cert_size) + ALIGN_40(tick_size);
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char temp[3] = {1};
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// Some weird channels use 0x0000 in place of the MakerID, so we need a check there
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if (!Read(0x198 + Offset, 2, (u8*)temp) || temp[0] == 0 || temp[1] == 0)
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return "00";
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temp[2] = 0;
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return temp;
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}
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bool CVolumeWAD::GetTitleID(u8* _pBuffer) const
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{
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u32 Offset = ALIGN_40(hdr_size) + ALIGN_40(cert_size);
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if(!Read(Offset + 0x01DC, 8, _pBuffer))
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return false;
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return true;
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}
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std::string CVolumeWAD::GetName() const
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{
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u32 footer_size;
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if (!Read(0x1C, 4, (u8*)&footer_size))
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return "";
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// Offset to the english title
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char temp[84];
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if (!Read(0xF1 + OpeningBnrOffset, 84, (u8*)&temp) || Common::swap32(footer_size) < 0xF1)
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return "";
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// Remove the null bytes due to 16bit char length
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std::string out_temp;
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for (unsigned int i = 0; i < sizeof(temp); i+=2)
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{
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// Replace null chars with a single space per null section
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if (temp[i] == '\0' && i > 0)
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{
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if (out_temp.at(out_temp.size()-1) != ' ')
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out_temp.push_back(' ');
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}
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else
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out_temp.push_back(temp[i]);
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}
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// Make it a null terminated string
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out_temp.replace(out_temp.end()-1, out_temp.end(), 1, '\0');
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return out_temp;
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}
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u64 CVolumeWAD::GetSize() const
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{
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if (m_pReader)
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return (size_t)m_pReader->GetDataSize();
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else
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return 0;
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}
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} // namespace
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