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0ed3118141
ISOFile and GameFile were using IsWiiDisc() and IsWadFile() to set an enum value. The volume might as well return an enum directly. I increased the Qt CACHE_REVISION because m_platform now is saved as u32 instead of int, but increasing the wx CACHE_REVISION is not necessary.
323 lines
6.7 KiB
C++
323 lines
6.7 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <cstddef>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "Common/ColorUtil.h"
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#include "Common/CommonTypes.h"
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#include "Common/StringUtil.h"
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#include "Common/Logging/Log.h"
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#include "DiscIO/Blob.h"
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#include "DiscIO/FileMonitor.h"
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#include "DiscIO/Filesystem.h"
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#include "DiscIO/Volume.h"
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#include "DiscIO/VolumeGC.h"
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namespace DiscIO
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{
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CVolumeGC::CVolumeGC(IBlobReader* _pReader)
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: m_pReader(_pReader)
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{}
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CVolumeGC::~CVolumeGC()
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{
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}
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bool CVolumeGC::Read(u64 _Offset, u64 _Length, u8* _pBuffer, bool decrypt) const
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{
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if (decrypt)
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PanicAlertT("Tried to decrypt data from a non-Wii volume");
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if (m_pReader == nullptr)
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return false;
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FileMon::FindFilename(_Offset);
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return m_pReader->Read(_Offset, _Length, _pBuffer);
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}
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std::string CVolumeGC::GetUniqueID() const
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{
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static const std::string NO_UID("NO_UID");
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if (m_pReader == nullptr)
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return NO_UID;
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char ID[7];
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if (!Read(0, sizeof(ID), reinterpret_cast<u8*>(ID)))
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{
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PanicAlertT("Failed to read unique ID from disc image");
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return NO_UID;
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}
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ID[6] = '\0';
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return ID;
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}
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IVolume::ECountry CVolumeGC::GetCountry() const
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{
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if (!m_pReader)
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return COUNTRY_UNKNOWN;
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u8 country_code;
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m_pReader->Read(3, 1, &country_code);
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return CountrySwitch(country_code);
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}
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std::string CVolumeGC::GetMakerID() const
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{
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if (m_pReader == nullptr)
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return std::string();
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char makerID[3];
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if (!Read(0x4, 0x2, (u8*)&makerID))
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return std::string();
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makerID[2] = '\0';
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return makerID;
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}
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u16 CVolumeGC::GetRevision() const
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{
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if (!m_pReader)
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return 0;
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u8 revision;
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if (!Read(7, 1, &revision))
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return 0;
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return revision;
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}
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std::string CVolumeGC::GetInternalName() const
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{
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char name[0x60];
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if (m_pReader != nullptr && Read(0x20, 0x60, (u8*)name))
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return DecodeString(name);
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else
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return "";
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}
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std::map<IVolume::ELanguage, std::string> CVolumeGC::GetNames() const
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{
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std::map<IVolume::ELanguage, std::string> names;
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if (!LoadBannerFile())
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return names;
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u32 name_count = 0;
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IVolume::ELanguage language;
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bool is_japanese = GetCountry() == IVolume::ECountry::COUNTRY_JAPAN;
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switch (m_banner_file_type)
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{
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case BANNER_BNR1:
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name_count = 1;
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language = is_japanese ? IVolume::ELanguage::LANGUAGE_JAPANESE : IVolume::ELanguage::LANGUAGE_ENGLISH;
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break;
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case BANNER_BNR2:
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name_count = 6;
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language = IVolume::ELanguage::LANGUAGE_ENGLISH;
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break;
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case BANNER_INVALID:
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case BANNER_NOT_LOADED:
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break;
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}
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auto const banner = reinterpret_cast<const GCBanner*>(m_banner_file.data());
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for (u32 i = 0; i < name_count; ++i)
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{
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auto& comment = banner->comment[i];
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std::string name = DecodeString(comment.longTitle);
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if (name.empty())
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name = DecodeString(comment.shortTitle);
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if (!name.empty())
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names[(IVolume::ELanguage)(language + i)] = name;
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}
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return names;
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}
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std::map<IVolume::ELanguage, std::string> CVolumeGC::GetDescriptions() const
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{
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std::map<IVolume::ELanguage, std::string> descriptions;
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if (!LoadBannerFile())
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return descriptions;
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u32 desc_count = 0;
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IVolume::ELanguage language;
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bool is_japanese = GetCountry() == IVolume::ECountry::COUNTRY_JAPAN;
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switch (m_banner_file_type)
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{
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case BANNER_BNR1:
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desc_count = 1;
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language = is_japanese ? IVolume::ELanguage::LANGUAGE_JAPANESE : IVolume::ELanguage::LANGUAGE_ENGLISH;
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break;
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case BANNER_BNR2:
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language = IVolume::ELanguage::LANGUAGE_ENGLISH;
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desc_count = 6;
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break;
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case BANNER_INVALID:
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case BANNER_NOT_LOADED:
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break;
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}
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auto banner = reinterpret_cast<const GCBanner*>(m_banner_file.data());
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for (u32 i = 0; i < desc_count; ++i)
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{
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auto& data = banner->comment[i].comment;
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std::string description = DecodeString(data);
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if (!description.empty())
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descriptions[(IVolume::ELanguage)(language + i)] = description;
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}
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return descriptions;
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}
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std::string CVolumeGC::GetCompany() const
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{
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if (!LoadBannerFile())
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return "";
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auto const pBanner = (GCBanner*)m_banner_file.data();
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std::string company = DecodeString(pBanner->comment[0].longMaker);
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if (company.empty())
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company = DecodeString(pBanner->comment[0].shortMaker);
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return company;
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}
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std::vector<u32> CVolumeGC::GetBanner(int* width, int* height) const
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{
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if (!LoadBannerFile())
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{
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*width = 0;
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*height = 0;
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return std::vector<u32>();
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}
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std::vector<u32> image_buffer(GC_BANNER_WIDTH * GC_BANNER_HEIGHT);
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auto const pBanner = (GCBanner*)m_banner_file.data();
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ColorUtil::decode5A3image(image_buffer.data(), pBanner->image, GC_BANNER_WIDTH, GC_BANNER_HEIGHT);
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*width = GC_BANNER_WIDTH;
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*height = GC_BANNER_HEIGHT;
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return image_buffer;
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}
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u32 CVolumeGC::GetFSTSize() const
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{
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if (m_pReader == nullptr)
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return 0;
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u32 size;
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if (!Read(0x428, 0x4, (u8*)&size))
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return 0;
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return Common::swap32(size);
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}
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std::string CVolumeGC::GetApploaderDate() const
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{
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if (m_pReader == nullptr)
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return std::string();
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char date[16];
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if (!Read(0x2440, 0x10, (u8*)&date))
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return std::string();
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// Should be 0 already, but just in case
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date[10] = '\0';
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return date;
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}
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u64 CVolumeGC::GetSize() const
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{
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if (m_pReader)
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return m_pReader->GetDataSize();
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else
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return 0;
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}
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u64 CVolumeGC::GetRawSize() const
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{
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if (m_pReader)
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return m_pReader->GetRawSize();
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else
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return 0;
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}
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u8 CVolumeGC::GetDiscNumber() const
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{
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u8 disc_number;
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Read(6, 1, &disc_number);
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return disc_number;
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}
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IVolume::EPlatform CVolumeGC::GetVolumeType() const
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{
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return GAMECUBE_DISC;
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}
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bool CVolumeGC::LoadBannerFile() const
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{
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// The methods GetNames, GetDescriptions, GetCompany and GetBanner
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// all need to access the opening.bnr file. These four methods are
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// typically called after each other, so we store the file in RAM
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// to avoid reading it from the disc several times. However,
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// if none of these methods are called, the file is never loaded.
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if (m_banner_file_type != BANNER_NOT_LOADED)
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return m_banner_file_type != BANNER_INVALID;
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std::unique_ptr<IFileSystem> file_system(CreateFileSystem(this));
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size_t file_size = (size_t)file_system->GetFileSize("opening.bnr");
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if (file_size == BNR1_SIZE || file_size == BNR2_SIZE)
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{
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m_banner_file.resize(file_size);
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file_system->ReadFile("opening.bnr", m_banner_file.data(), m_banner_file.size());
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u32 bannerSignature = *(u32*)m_banner_file.data();
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switch (bannerSignature)
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{
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case 0x31524e42: // "BNR1"
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m_banner_file_type = BANNER_BNR1;
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break;
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case 0x32524e42: // "BNR2"
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m_banner_file_type = BANNER_BNR2;
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break;
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default:
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m_banner_file_type = BANNER_INVALID;
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WARN_LOG(DISCIO, "Invalid opening.bnr type");
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break;
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}
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}
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else
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{
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m_banner_file_type = BANNER_INVALID;
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WARN_LOG(DISCIO, "Invalid opening.bnr size: %0lx", (unsigned long)file_size);
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}
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return m_banner_file_type != BANNER_INVALID;
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}
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} // namespace
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