void player::spree_add()
{
    spree++;
    if(spree%5 == 0)
    {
        char buf[512];
        int t=(int)spree/5-1;
        if (t>5)
        {
            t=5;
        }
        str_format(buf, sizeof(buf), "%s %s with %d kills!", server_clientname(client_id), spree_note[t], spree);
        send_chat(-1, CHAT_ALL, buf); 
    }
}

void player::spree_end(int killer)
{
    if(spree < 5)
    {
        spree = 0;
        return;
    }
    spree = 0;
    char buf[512];
    str_format(buf, sizeof(buf), "%s killing spree was ended by %s", server_clientname(client_id), server_clientname(killer));
    send_chat(-1, CHAT_ALL, buf); 
}