Call of Duty Ghosts Live_GetPlayerXUID Reversed

void Live_SetPlayerXUID(int session, int clientIndex, long xuid) // lel
{
    int calc = (clientIndex + 0x02); // so if clientIndex was 0, calc will hold 2
    if(*(byte*)((calc * 0x38) + session) == 0){
        xuid = 0x00;
        *(long*)((clientIndex * 0x38) + session + 0x78) = xuid;}
    else{
    *(long*)((clientIndex * 0x38) + session + 0x78) = xuid;}
}


unsigned long Live_GetPlayerXUID(int r3, int r4)
{
    __int32 r11, r10, r9;
    *(int*)r11 = (r4 + 2);
    *(int*)r10 = (r11 * 0x38);
    *(unsigned char*)r9 = (r10 + r3);
    if(r9 == 0){
        r3 = 0;
        return r3;}
    else{
        *(int*)r11 = (r4 * 0x38);
        *(int*)r11 += r3;
        *(int*)r3 = (r11 + 0x78);
        return r3;}
}