libretro-dolphin/Source/Core/DiscIO/VolumeGC.h
2020-07-04 14:51:13 +02:00

108 lines
3.4 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "Common/CommonTypes.h"
#include "Common/Lazy.h"
#include "DiscIO/Filesystem.h"
#include "DiscIO/Volume.h"
#include "DiscIO/VolumeDisc.h"
namespace DiscIO
{
class BlobReader;
enum class BlobType;
enum class Country;
class FileSystem;
enum class Language;
enum class Region;
enum class Platform;
class VolumeGC : public VolumeDisc
{
public:
VolumeGC(std::unique_ptr<BlobReader> reader);
~VolumeGC();
bool Read(u64 offset, u64 length, u8* buffer,
const Partition& partition = PARTITION_NONE) const override;
const FileSystem* GetFileSystem(const Partition& partition = PARTITION_NONE) const override;
std::string GetGameTDBID(const Partition& partition = PARTITION_NONE) const override;
std::map<Language, std::string> GetShortNames() const override;
std::map<Language, std::string> GetLongNames() const override;
std::map<Language, std::string> GetShortMakers() const override;
std::map<Language, std::string> GetLongMakers() const override;
std::map<Language, std::string> GetDescriptions() const override;
std::vector<u32> GetBanner(u32* width, u32* height) const override;
Platform GetVolumeType() const override;
bool IsDatelDisc() const override;
Region GetRegion() const override;
BlobType GetBlobType() const override;
u64 GetSize() const override;
bool IsSizeAccurate() const override;
u64 GetRawSize() const override;
const BlobReader& GetBlobReader() const override;
private:
static const u32 GC_BANNER_WIDTH = 96;
static const u32 GC_BANNER_HEIGHT = 32;
struct GCBannerInformation
{
char short_name[32]; // Short game title shown in IPL menu
char short_maker[32]; // Short developer, publisher names shown in IPL menu
char long_name[64]; // Long game title shown in IPL game start screen
char long_maker[64]; // Long developer, publisher names shown in IPL game
// start screen
char description[128]; // Game description shown in IPL game start screen in
// two lines.
};
struct GCBanner
{
u32 id; // "BNR1" for NTSC, "BNR2" for PAL
u32 padding[7];
u16 image[GC_BANNER_WIDTH * GC_BANNER_HEIGHT]; // RGB5A3 96x32 image
GCBannerInformation information[6]; // information comes in six languages
// (only one for BNR1 type)
};
struct ConvertedGCBanner
{
ConvertedGCBanner();
~ConvertedGCBanner();
std::map<Language, std::string> short_names;
std::map<Language, std::string> long_names;
std::map<Language, std::string> short_makers;
std::map<Language, std::string> long_makers;
std::map<Language, std::string> descriptions;
std::vector<u32> image_buffer;
u32 image_height = 0;
u32 image_width = 0;
};
ConvertedGCBanner LoadBannerFile() const;
ConvertedGCBanner ExtractBannerInformation(const GCBanner& banner_file, bool is_bnr1) const;
static const size_t BNR1_SIZE = sizeof(GCBanner) - sizeof(GCBannerInformation) * 5;
static const size_t BNR2_SIZE = sizeof(GCBanner);
Common::Lazy<ConvertedGCBanner> m_converted_banner;
Common::Lazy<std::unique_ptr<FileSystem>> m_file_system;
std::unique_ptr<BlobReader> m_reader;
};
} // namespace DiscIO