forked from dolphin-emu/dolphin
		
	
		
			
				
	
	
		
			318 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			318 lines
		
	
	
		
			6.6 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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| 
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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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| 
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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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| 
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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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| 
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| CVolumeGC::~CVolumeGC()
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| {
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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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| 
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| 	if (m_pReader == nullptr)
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| 		return false;
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| 
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| 	FileMon::FindFilename(_Offset);
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| 
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| 	return m_pReader->Read(_Offset, _Length, _pBuffer);
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| }
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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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| 
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| 	char ID[7];
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| 
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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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| 
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| 	ID[6] = '\0';
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| 
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| 	return ID;
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| }
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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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| 
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| 	u8 country_code;
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| 	m_pReader->Read(3, 1, &country_code);
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| 
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| 	return CountrySwitch(country_code);
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| }
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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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| 
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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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| 
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| 	return makerID;
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| }
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| 
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| int CVolumeGC::GetRevision() const
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| {
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| 	if (!m_pReader)
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| 		return 0;
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| 
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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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| 
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| 	return revision;
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| }
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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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| 
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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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| 
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| 	if (!LoadBannerFile())
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| 		return names;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	auto const banner = reinterpret_cast<const GCBanner*>(m_banner_file.data());
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| 
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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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| 
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| 		if (name.empty())
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| 			name = DecodeString(comment.shortTitle);
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| 
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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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| 
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| 	return names;
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| }
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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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| 
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| 	if (!LoadBannerFile())
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| 		return descriptions;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	auto banner = reinterpret_cast<const GCBanner*>(m_banner_file.data());
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| 
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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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| 
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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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| 
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| 	return descriptions;
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| }
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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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| 
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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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| 
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| 	if (company.empty())
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| 		company = DecodeString(pBanner->comment[0].shortMaker);
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| 
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| 	return company;
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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| 	return Common::swap32(size);
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| }
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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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| 
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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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| 
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| 	return date;
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| }
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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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| 
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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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| 
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| bool CVolumeGC::IsDiscTwo() const
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| {
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| 	u8 disc_two_check;
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| 	Read(6, 1, &disc_two_check);
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| 	return (disc_two_check == 1);
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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| 	return m_banner_file_type != BANNER_INVALID;
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| }
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| 
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| } // namespace
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