dolphin/Source/Core/DiscIO/VolumeDisc.cpp

88 lines
2.2 KiB
C++

// Copyright 2020 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "DiscIO/VolumeDisc.h"
#include <optional>
#include <string>
#include "Common/CommonTypes.h"
#include "DiscIO/Enums.h"
namespace DiscIO
{
std::string VolumeDisc::GetGameID(const Partition& partition) const
{
char id[6];
if (!Read(0, sizeof(id), reinterpret_cast<u8*>(id), partition))
return std::string();
return DecodeString(id);
}
Country VolumeDisc::GetCountry(const Partition& partition) const
{
// The 0 that we use as a default value is mapped to Country::Unknown and Region::Unknown
const u8 country_byte = ReadSwapped<u8>(3, partition).value_or(0);
const Region region = GetRegion();
const std::optional<u16> revision = GetRevision();
if (CountryCodeToRegion(country_byte, GetVolumeType(), region, revision) != region)
return TypicalCountryForRegion(region);
return CountryCodeToCountry(country_byte, GetVolumeType(), region, revision);
}
Region VolumeDisc::RegionCodeToRegion(std::optional<u32> region_code) const
{
if (!region_code)
return Region::Unknown;
const Region region = static_cast<Region>(*region_code);
return region <= Region::NTSC_K ? region : Region::Unknown;
}
std::string VolumeDisc::GetMakerID(const Partition& partition) const
{
char maker_id[2];
if (!Read(0x4, sizeof(maker_id), reinterpret_cast<u8*>(&maker_id), partition))
return std::string();
return DecodeString(maker_id);
}
std::optional<u16> VolumeDisc::GetRevision(const Partition& partition) const
{
std::optional<u8> revision = ReadSwapped<u8>(7, partition);
return revision ? *revision : std::optional<u16>();
}
std::string VolumeDisc::GetInternalName(const Partition& partition) const
{
char name[0x60];
if (!Read(0x20, sizeof(name), reinterpret_cast<u8*>(&name), partition))
return std::string();
return DecodeString(name);
}
std::string VolumeDisc::GetApploaderDate(const Partition& partition) const
{
char date[16];
if (!Read(0x2440, sizeof(date), reinterpret_cast<u8*>(&date), partition))
return std::string();
return DecodeString(date);
}
std::optional<u8> VolumeDisc::GetDiscNumber(const Partition& partition) const
{
return ReadSwapped<u8>(6, partition);
}
} // namespace DiscIO