dolphin/Source/Core/DiscIO/Volume.h
JosJuice 49ec22bc42 DVDInterface: Translate Wii partition offsets for timing purposes
Until now, Dolphin has been using the wrong values
for calculating DVD timing for decrypted Wii reads
(which Wii games essentially always use).
2017-02-12 09:37:39 +01:00

91 lines
3.0 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <cstring>
#include <map>
#include <string>
#include <vector>
#include "Common/CommonFuncs.h"
#include "Common/CommonTypes.h"
#include "Common/StringUtil.h"
#include "DiscIO/Enums.h"
namespace DiscIO
{
enum class BlobType;
class IVolume
{
public:
IVolume() {}
virtual ~IVolume() {}
// decrypt parameter must be false if not reading a Wii disc
virtual bool Read(u64 _Offset, u64 _Length, u8* _pBuffer, bool decrypt) const = 0;
template <typename T>
bool ReadSwapped(u64 offset, T* buffer, bool decrypt) const
{
T temp;
if (!Read(offset, sizeof(T), reinterpret_cast<u8*>(&temp), decrypt))
return false;
*buffer = Common::FromBigEndian(temp);
return true;
}
virtual bool GetTitleID(u64*) const { return false; }
virtual std::vector<u8> GetTMD() const { return {}; }
virtual u64 PartitionOffsetToRawOffset(u64 offset) const { return offset; }
virtual std::string GetGameID() const = 0;
virtual std::string GetMakerID() const = 0;
virtual u16 GetRevision() const = 0;
virtual std::string GetInternalName() const = 0;
virtual std::map<Language, std::string> GetShortNames() const { return {{}}; }
virtual std::map<Language, std::string> GetLongNames() const { return {{}}; }
virtual std::map<Language, std::string> GetShortMakers() const { return {{}}; }
virtual std::map<Language, std::string> GetLongMakers() const { return {{}}; }
virtual std::map<Language, std::string> GetDescriptions() const { return {{}}; }
virtual std::vector<u32> GetBanner(int* width, int* height) const = 0;
virtual u64 GetFSTSize() const = 0;
virtual std::string GetApploaderDate() const = 0;
// 0 is the first disc, 1 is the second disc
virtual u8 GetDiscNumber() const { return 0; }
virtual Platform GetVolumeType() const = 0;
virtual bool SupportsIntegrityCheck() const { return false; }
virtual bool CheckIntegrity() const { return false; }
virtual bool ChangePartition(u64 offset) { return false; }
virtual Region GetRegion() const = 0;
virtual Country GetCountry() const = 0;
virtual BlobType GetBlobType() const = 0;
// Size of virtual disc (not always accurate)
virtual u64 GetSize() const = 0;
// Size on disc (compressed size)
virtual u64 GetRawSize() const = 0;
static std::vector<u32> GetWiiBanner(int* width, int* height, u64 title_id);
protected:
template <u32 N>
std::string DecodeString(const char (&data)[N]) const
{
// strnlen to trim NULLs
std::string string(data, strnlen(data, sizeof(data)));
if (GetRegion() == Region::NTSC_J)
return SHIFTJISToUTF8(string);
else
return CP1252ToUTF8(string);
}
static std::map<Language, std::string> ReadWiiNames(const std::vector<u8>& data);
static const size_t NUMBER_OF_LANGUAGES = 10;
static const size_t NAME_STRING_LENGTH = 42;
static const size_t NAME_BYTES_LENGTH = NAME_STRING_LENGTH * sizeof(u16);
static const size_t NAMES_TOTAL_BYTES = NAME_BYTES_LENGTH * NUMBER_OF_LANGUAGES;
};
} // namespace