xdbf.h

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#pragma once
 
#include <string>
#include <vector>
 
#include <rex/platform.h>
#include <rex/types.h>
#include <rex/memory.h>
#include <rex/filesystem/xex.h>
#include <rex/kernel/types/content.h>
 
namespace rex {
namespace filesystem {
 
enum class XDBFSection : u8 {
  kMetadata = 0x0001,
  kImage = 0x0002,
  kStringTable = 0x0003, 
};
 
#pragma pack(push, 1)
struct XDBFHeader {
  be_u32 magic;
  be_u32 version;
  be_u32 entry_capacity;
  be_u32 entry_used;
  be_u32 free_count; 
  be_u32 free_used;  
};
REX_STATIC_ASSERT_SIZE(XDBFHeader, 24);

struct XDBFEntry {
  be_u16 section;
  be_u64 id;
  be_u32 offset; 
  be_u32 size;
};
REX_STATIC_ASSERT_SIZE(XDBFEntry, 18);

struct XDBFFileLocation {
  be_u32 offset;
  be_u32 size;
};
REX_STATIC_ASSERT_SIZE(XDBFFileLocation, 8);

struct XDBFXSTC {
  be_u32 magic;
  be_u32 version;
  be_u32 size;
  be_u32 default_language; 
};
REX_STATIC_ASSERT_SIZE(XDBFXSTC, 16);

struct XDBFSectionHeader {
  be_u32 magic;
  be_u32 version;
  be_u32 size;
  be_u16 count;
};
REX_STATIC_ASSERT_SIZE(XDBFSectionHeader, 14);

struct XDBFStringTableEntry {
  be_u16 id;
  be_u16 string_length; 
};
REX_STATIC_ASSERT_SIZE(XDBFStringTableEntry, 4);
 
struct XDBFAchievementTableEntry {
  be_u16 id;
  be_u16 label_id;       
  be_u16 description_id; 
  be_u16 unachieved_id;  
  be_u32 image_id;       
  be_u16 gamerscore;
  be_u16 unk0e;
  be_u32 flags;
  be_u32 unk14;
  be_u32 unk18;
  be_u32 unk1c;
  be_u32 unk20;
};
REX_STATIC_ASSERT_SIZE(XDBFAchievementTableEntry, 0x24);
#pragma pack(pop)

struct XDBFBlock {
  const u8* buffer; 
  size_t size;
 
  operator bool() const { return buffer != nullptr; }
};

class IXDBFReader {
 public:
  virtual ~IXDBFReader() = default;
 
  virtual bool IsValid() const = 0;

  virtual XDBFBlock GetEntry(XDBFSection section, u64 id) const = 0;

  virtual std::string GetStringTableEntry(kernel::XLanguage language, u16 string_id) const = 0;
 
  virtual std::vector<XDBFAchievementTableEntry> GetAchievements() const = 0;
};
 
class IXDBFTitleData : public IXDBFReader {
 public:
  virtual kernel::XLanguage GetSupportedLanguage(kernel::XLanguage language_to_check) const = 0;
 
  virtual XDBFBlock GetIcon() const = 0;
 
  virtual kernel::XLanguage GetDefaultLanguage() const = 0;
 
  virtual std::string GetTitle() const = 0;

  virtual std::string GetTitle(kernel::XLanguage language) const = 0;
};
 
}  // namespace filesystem
}  // namespace rex