OSD.h

enum OSD_RESOURCE_FILE_TYPES {
    OSD_SYSTEM_CNF_INDEX = 0,
    OSD_ICON_SYS_INDEX,
    OSD_VIEW_ICON_INDEX,
    OSD_DEL_ICON_INDEX,
    OSD_BOOT_KELF_INDEX,

    NUM_OSD_FILES_ENTS
};

#define HDL_GAME_DATA_OFFSET 0x100000 /* Starts at sector 0x800, and spans across sectors 0x800 and 0x801. */

struct GameSettings
{
    wchar_t FullTitle[GAME_TITLE_MAX_LEN + 1];
    wchar_t OSDTitleLine1[OSD_TITLE_MAX_LEN + 1];
    wchar_t OSDTitleLine2[OSD_TITLE_MAX_LEN + 1];
    unsigned char CompatibilityModeFlags;
    unsigned char UseMDMA0;
};

typedef struct
{
    int offset;
    int size;
} OSDResFileEnt_t;

typedef struct PartAttributeAreaTable
{
    char magic[9]; /* "PS2ICON3D" */
    unsigned char reserved[3];
    int version; /* Must be zero. */
    OSDResFileEnt_t FileEnt[NUM_OSD_FILES_ENTS];
    unsigned char reserved2[456];
} t_PartAttrTab __attribute__((packed));

struct OSDResourceFileEntry
{
    const char *FileName;
    void *buffer;
    int size;
    unsigned int flags;
};

struct IconSysData
{
    wchar_t title0[OSD_TITLE_MAX_LEN + 1];
    wchar_t title1[OSD_TITLE_MAX_LEN + 1];
    unsigned char bgcola;
    unsigned char bgcol0[3];
    unsigned char bgcol1[3];
    unsigned char bgcol2[3];
    unsigned char bgcol3[3];
    float lightdir0[3];
    float lightdir1[3];
    float lightdir2[3];
    unsigned char lightcolamb[3];
    unsigned char lightcol0[3];
    unsigned char lightcol1[3];
    unsigned char lightcol2[3];
    wchar_t uninstallmes0[121];
    wchar_t uninstallmes1[121];
    wchar_t uninstallmes2[121];
};

struct IconInfo
{
    char foldername[33];
    wchar_t title[33];
};

#define FILE_FLAGS_OPTIONAL  0x01
#define FILE_FLAGS_ALLOCATED 0x02 // Buffer was allocated and should be free when no longer needed.

enum ICON_SOURCE {
    ICON_SOURCE_DEFAULT = 0,
    ICON_SOURCE_SAVE,
    ICON_SOURCE_EXTERNAL
};

void InitOSDResourceFiles(void);
void ConvertMcTitle(const mcIcon *icon, wchar_t *title1, wchar_t *title2);
int CheckExistingMcSave(const char *DiscID);
int ReadExistingFileInMcSave(const char *DiscID, const char *filename, void *buffer, unsigned int length);
int LoadMcSaveSysFromPath(const char *SaveFolderPath, mcIcon *McSaveIconSys);
int LoadMcSaveSys(char *SaveFolderPath, mcIcon *McSaveIconSys, const char *DiscID);
int PrepareOSDResources(const char *SaveFolderPath, const mcIcon *McSaveIconSys, const wchar_t *OSDTitleLine1, const wchar_t *OSDTitleLine2, struct OSDResourceFileEntry *InstFileList);
int LoadOSDResource(unsigned int index, struct OSDResourceFileEntry *InstFileList, void *buffer, unsigned int length, unsigned char IsAllocatedBuffer);
void FreeOSDResources(struct OSDResourceFileEntry *InstFileList);
int LoadIconSysFile(const unsigned char *buffer, int size, struct IconSysData *data);
int GetOSDResourceFileStats(const char *partition, OSDResFileEnt_t *files);
int GetExistingFileInMcSaveStat(const char *DiscID, const char *filename, iox_stat_t *stat);
int ReadOSDResourceFile(const char *partition, int index, const OSDResFileEnt_t *files, void *buffer);
int InstallOSDFiles(const char *partition, struct OSDResourceFileEntry *InstFileList);
void PrepareOSDDefaultResources(struct OSDResourceFileEntry *InstFileList);
int InstallGameInstallationOSDResources(const char *partition, const struct GameSettings *GameSettings, const mcIcon *McSaveIconSys, const char *SaveDataPath);
int UpdateGameInstallationOSDResources(const char *partition, const wchar_t *OSDTitleLine1, const wchar_t *OSDTitleLine2);
int GetGameInstallationOSDIconSys(const char *partition, struct IconSysData *IconSys);
int GetIconListFromDevice(const char *device, struct IconInfo **IconList);