dolphin/Source/Core/UICommon/GameFile.h

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include <map>
#include <string>
#include <vector>

#include "Common/CommonTypes.h"
#include "DiscIO/Blob.h"
#include "DiscIO/Enums.h"

class PointerWrap;

namespace Core
{
class TitleDatabase;
}

namespace UICommon
{
struct GameBanner
{
  std::vector<u32> buffer{};
  u32 width{};
  u32 height{};
  bool empty() const { return buffer.empty(); }
  void DoState(PointerWrap& p);
};

struct GameCover
{
  std::vector<u8> buffer{};
  bool empty() const { return buffer.empty(); }
  void DoState(PointerWrap& p);
};

bool operator==(const GameBanner& lhs, const GameBanner& rhs);
bool operator!=(const GameBanner& lhs, const GameBanner& rhs);

// This class caches the metadata of a DiscIO::Volume (or a DOL/ELF file).
class GameFile final
{
public:
  GameFile() = default;
  explicit GameFile(const std::string& path);
  ~GameFile() = default;

  bool IsValid() const;
  const std::string& GetFilePath() const { return m_file_path; }
  const std::string& GetFileName() const { return m_file_name; }
  const std::string& GetName(const Core::TitleDatabase& title_database) const;
  const std::string& GetName(bool long_name = true) const;
  const std::string& GetMaker(bool long_maker = true) const;
  const std::string& GetShortName(DiscIO::Language l) const { return Lookup(l, m_short_names); }
  const std::string& GetShortName() const { return LookupUsingConfigLanguage(m_short_names); }
  const std::string& GetLongName(DiscIO::Language l) const { return Lookup(l, m_long_names); }
  const std::string& GetLongName() const { return LookupUsingConfigLanguage(m_long_names); }
  const std::string& GetShortMaker(DiscIO::Language l) const { return Lookup(l, m_short_makers); }
  const std::string& GetShortMaker() const { return LookupUsingConfigLanguage(m_short_makers); }
  const std::string& GetLongMaker(DiscIO::Language l) const { return Lookup(l, m_long_makers); }
  const std::string& GetLongMaker() const { return LookupUsingConfigLanguage(m_long_makers); }
  const std::string& GetDescription(DiscIO::Language l) const { return Lookup(l, m_descriptions); }
  const std::string& GetDescription() const { return LookupUsingConfigLanguage(m_descriptions); }
  std::vector<DiscIO::Language> GetLanguages() const;
  const std::string& GetInternalName() const { return m_internal_name; }
  const std::string& GetGameID() const { return m_game_id; }
  u64 GetTitleID() const { return m_title_id; }
  const std::string& GetMakerID() const { return m_maker_id; }
  u16 GetRevision() const { return m_revision; }
  // 0 is the first disc, 1 is the second disc
  u8 GetDiscNumber() const { return m_disc_number; }
  std::string GetUniqueIdentifier() const;
  std::string GetWiiFSPath() const;
  DiscIO::Region GetRegion() const { return m_region; }
  DiscIO::Country GetCountry() const { return m_country; }
  DiscIO::Platform GetPlatform() const { return m_platform; }
  DiscIO::BlobType GetBlobType() const { return m_blob_type; }
  const std::string& GetApploaderDate() const { return m_apploader_date; }
  u64 GetFileSize() const { return m_file_size; }
  u64 GetVolumeSize() const { return m_volume_size; }
  const GameBanner& GetBannerImage() const;
  const GameCover& GetCoverImage() const;
  void DoState(PointerWrap& p);
  bool WiiBannerChanged();
  void WiiBannerCommit();
  bool CustomBannerChanged();
  void CustomBannerCommit();
  void DownloadDefaultCover();
  bool DefaultCoverChanged();
  void DefaultCoverCommit();
  bool CustomCoverChanged();
  void CustomCoverCommit();

private:
  static const std::string& Lookup(DiscIO::Language language,
                                   const std::map<DiscIO::Language, std::string>& strings);
  const std::string&
  LookupUsingConfigLanguage(const std::map<DiscIO::Language, std::string>& strings) const;
  bool IsElfOrDol() const;
  bool ReadPNGBanner(const std::string& path);

  // IMPORTANT: Nearly all data members must be save/restored in DoState.
  // If anything is changed, make sure DoState handles it properly and
  // CACHE_REVISION in GameFileCache.cpp is incremented.

  bool m_valid{};
  std::string m_file_path{};
  std::string m_file_name{};

  u64 m_file_size{};
  u64 m_volume_size{};

  std::map<DiscIO::Language, std::string> m_short_names{};
  std::map<DiscIO::Language, std::string> m_long_names{};
  std::map<DiscIO::Language, std::string> m_short_makers{};
  std::map<DiscIO::Language, std::string> m_long_makers{};
  std::map<DiscIO::Language, std::string> m_descriptions{};
  std::string m_internal_name{};
  std::string m_game_id{};
  u64 m_title_id{};
  std::string m_maker_id{};

  DiscIO::Region m_region{};
  DiscIO::Country m_country{};
  DiscIO::Platform m_platform{};
  DiscIO::BlobType m_blob_type{};
  u16 m_revision{};
  u8 m_disc_number{};
  std::string m_apploader_date{};

  GameBanner m_volume_banner{};
  GameBanner m_custom_banner{};
  GameCover m_default_cover{};
  GameCover m_custom_cover{};

  // The following data members allow GameFileCache to construct updated versions
  // of GameFiles in a threadsafe way. They should not be handled in DoState.
  struct
  {
    GameBanner volume_banner;
    GameBanner custom_banner;
    GameCover default_cover;
    GameCover custom_cover;
  } m_pending{};
};

}  // namespace UICommon