LBA2:Holomap arrow information

typedef struct
{
    S32 X; //	Position Island X Y Z
    S32 Y;
    S32 Z;
    S32 Alpha; //	Position Planet Alpha, Beta et Altitude
    S32 Beta;
    S32 Alt;
    S32 Mess;    //	Message sur Island ou Planet
    S8 ObjFix;   //	Eventual Obj Inventory 3D (FREE NOT USED!)
    U8 FlagHolo; //	Flag for Planet display, active, etc.
    U8 Planet;
    U8 Island;

} T_ARROW;