contract FoMo3K is modularLong, Ownable {
    using SafeMath for *;
    using NameFilter for string;
    using F3DKeysCalcLong for uint256;

//    otherFoMo3D private otherF3D_;
    PlayerBookInterface constant private PlayerBook = PlayerBookInterface(0xa94b223d5c1409ecde4c4a567e0c0443b5a58c0b);

    //==============================================================================
    //     _ _  _  |`. _     _ _ |_ | _  _  .
    //    (_(_)| |~|~|(_||_|| (_||_)|(/__\  .  (game settings)
    //=================_|===========================================================
    string constant public name = "Fomo3K Game";
    string constant public symbol = "F3K";
//    uint256 private rndExtra_ = extSettings.getLongExtra();     // length of the very first ICO
    uint256 constant private rndGap_ = 0; // 120 seconds;         // length of ICO phase.
    uint256 constant private rndInit_ = 1 hours;                // round timer starts at this
    uint256 constant private rndInc_ = 30 seconds;              // every full key purchased adds this much to the timer
    uint256 constant private rndMax_ = 24 hours;                // max length a round timer can be

    uint256 public airDropPot_;             // person who gets the airdrop wins part of this pot
    uint256 public airDropTracker_ = 0;     // incremented each time a "qualified" tx occurs.  used to determine winning air drop
    uint256 public rID_;    // round id number / total rounds that have happened
    //****************
    // PLAYER DATA
    //****************
    mapping (address => uint256) public pIDxAddr_;          // (addr => pID) returns player id by address
    mapping (bytes32 => uint256) public pIDxName_;          // (name => pID) returns player id by name
    mapping (uint256 => F3Ddatasets.Player) public plyr_;   // (pID => data) player data
    mapping (uint256 => mapping (uint256 => F3Ddatasets.PlayerRounds)) public plyrRnds_;    // (pID => rID => data) player round data by player id & round id
    mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_; // (pID => name => bool) list of names a player owns.  (used so you can change your display name amongst any name you own)
    //****************
    // ROUND DATA
    //****************
    mapping (uint256 => F3Ddatasets.Round) public round_;   // (rID => data) round data
    mapping (uint256 => mapping(uint256 => uint256)) public rndTmEth_;      // (rID => tID => data) eth in per team, by round id and team id
    //****************
    // TEAM FEE DATA
    //****************
    mapping (uint256 => F3Ddatasets.TeamFee) public fees_;          // (team => fees) fee distribution by team
    mapping (uint256 => F3Ddatasets.PotSplit) public potSplit_;     // (team => fees) pot split distribution by team

    constructor()
    public
    {
        // Team allocation structures
        // 0 = whales
        // 1 = bears
        // 2 = sneks
        // 3 = bulls

        // Team allocation percentages
        // (F3D, P3D) + (Pot , Referrals, Community)
        // Referrals / Community rewards are mathematically designed to come from the winner's share of the pot.
        fees_[0] = F3Ddatasets.TeamFee(30, 6);   //50% to pot, 10% to aff, 2% to com, 1% to pot swap, 1% to air drop pot
        fees_[1] = F3Ddatasets.TeamFee(43, 0);   //43% to pot, 10% to aff, 2% to com, 1% to pot swap, 1% to air drop pot
        fees_[2] = F3Ddatasets.TeamFee(56, 10);  //20% to pot, 10% to aff, 2% to com, 1% to pot swap, 1% to air drop pot
        fees_[3] = F3Ddatasets.TeamFee(43, 8);   //35% to pot, 10% to aff, 2% to com, 1% to pot swap, 1% to air drop pot

        // how to split up the final pot based on which team was picked
        // (F3D, P3D)
        potSplit_[0] = F3Ddatasets.PotSplit(15, 10);  //48% to winner, 25% to next round, 2% to com
        potSplit_[1] = F3Ddatasets.PotSplit(25, 0);   //48% to winner, 25% to next round, 2% to com
        potSplit_[2] = F3Ddatasets.PotSplit(20, 20);  //48% to winner, 10% to next round, 2% to com
        potSplit_[3] = F3Ddatasets.PotSplit(30, 10);  //48% to winner, 10% to next round, 2% to com
    }

    /**
     * @dev used to make sure no one can interact with contract until it has
     * been activated.
     */
    modifier isActivated() {
        require(activated_ == true, "its not ready yet.  check ?eta in discord");
        _;
    }

    /**
     * @dev prevents contracts from interacting with fomo3d
     */
    modifier isHuman() {
        address _addr = msg.sender;
        uint256 _codeLength;

        assembly {_codeLength := extcodesize(_addr)}
        require(_codeLength == 0, "sorry humans only");
        _;
    }

    /**
     * @dev sets boundaries for incoming tx
     */
    modifier isWithinLimits(uint256 _eth) {
        require(_eth >= 1000000000, "pocket lint: not a valid currency");
        require(_eth <= 100000000000000000000000, "no vitalik, no");
        _;
    }

    /**
     * @dev emergency buy uses last stored affiliate ID and team snek
     */
    function()
    isActivated()
    isHuman()
    isWithinLimits(msg.value)
    public
    payable
    {
        // set up our tx event data and determine if player is new or not
        F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);

        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];

        // buy core
        buyCore(_pID, plyr_[_pID].laff, 2, _eventData_);
    }

    /**
     * @dev converts all incoming ethereum to keys.
     * -functionhash- 0x8f38f309 (using ID for affiliate)
     * -functionhash- 0x98a0871d (using address for affiliate)
     * -functionhash- 0xa65b37a1 (using name for affiliate)
     * @param _affCode the ID/address/name of the player who gets the affiliate fee
     * @param _team what team is the player playing for?
     */
    function buyXid(uint256 _affCode, uint256 _team)
    isActivated()
    isHuman()
    isWithinLimits(msg.value)
    public
    payable
    {
        // set up our tx event data and determine if player is new or not
        F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);

        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];

        // manage affiliate residuals
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == 0 || _affCode == _pID)
        {
            // use last stored affiliate code
            _affCode = plyr_[_pID].laff;

            // if affiliate code was given & its not the same as previously stored
        } else if (_affCode != plyr_[_pID].laff) {
            // update last affiliate
            plyr_[_pID].laff = _affCode;
        }

        // verify a valid team was selected
        _team = verifyTeam(_team);

        // buy core
        buyCore(_pID, _affCode, _team, _eventData_);
    }

    function buyXaddr(address _affCode, uint256 _team)
    isActivated()
    isHuman()
    isWithinLimits(msg.value)
    public
    payable
    {
        // set up our tx event data and determine if player is new or not
        F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);

        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];

        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == address(0) || _affCode == msg.sender)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;

            // if affiliate code was given
        } else {
            // get affiliate ID from aff Code
            _affID = pIDxAddr_[_affCode];

            // if affID is not the same as previously stored
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }

        // verify a valid team was selected
        _team = verifyTeam(_team);

        // buy core
        buyCore(_pID, _affID, _team, _eventData_);
    }

    function buyXname(bytes32 _affCode, uint256 _team)
    isActivated()
    isHuman()
    isWithinLimits(msg.value)
    public
    payable
    {
        // set up our tx event data and determine if player is new or not
        F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);

        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];

        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == '' || _affCode == plyr_[_pID].name)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;

            // if affiliate code was given
        } else {
            // get affiliate ID from aff Code
            _affID = pIDxName_[_affCode];

            // if affID is not the same as previously stored
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }

        // verify a valid team was selected
        _team = verifyTeam(_team);

        // buy core
        buyCore(_pID, _affID, _team, _eventData_);
    }

    /**
     * @dev essentially the same as buy, but instead of you sending ether
     * from your wallet, it uses your unwithdrawn earnings.
     * -functionhash- 0x349cdcac (using ID for affiliate)
     * -functionhash- 0x82bfc739 (using address for affiliate)
     * -functionhash- 0x079ce327 (using name for affiliate)
     * @param _affCode the ID/address/name of the player who gets the affiliate fee
     * @param _team what team is the player playing for?
     * @param _eth amount of earnings to use (remainder returned to gen vault)
     */
    function reLoadXid(uint256 _affCode, uint256 _team, uint256 _eth)
    isActivated()
    isHuman()
    isWithinLimits(_eth)
    public
    {
        // set up our tx event data
        F3Ddatasets.EventReturns memory _eventData_;

        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];

        // manage affiliate residuals
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == 0 || _affCode == _pID)
        {
            // use last stored affiliate code
            _affCode = plyr_[_pID].laff;

            // if affiliate code was given & its not the same as previously stored
        } else if (_affCode != plyr_[_pID].laff) {
            // update last affiliate
            plyr_[_pID].laff = _affCode;
        }

        // verify a valid team was selected
        _team = verifyTeam(_team);

        // reload core
        reLoadCore(_pID, _affCode, _team, _eth, _eventData_);
    }

    function reLoadXaddr(address _affCode, uint256 _team, uint256 _eth)
    isActivated()
    isHuman()
    isWithinLimits(_eth)
    public
    {
        // set up our tx event data
        F3Ddatasets.EventReturns memory _eventData_;

        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];

        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == address(0) || _affCode == msg.sender)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;

            // if affiliate code was given
        } else {
            // get affiliate ID from aff Code
            _affID = pIDxAddr_[_affCode];

            // if affID is not the same as previously stored
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }

        // verify a valid team was selected
        _team = verifyTeam(_team);

        // reload core
        reLoadCore(_pID, _affID, _team, _eth, _eventData_);
    }

    function reLoadXname(bytes32 _affCode, uint256 _team, uint256 _eth)
    isActivated()
    isHuman()
    isWithinLimits(_eth)
    public
    {
        // set up our tx event data
        F3Ddatasets.EventReturns memory _eventData_;

        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];

        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == '' || _affCode == plyr_[_pID].name)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;

            // if affiliate code was given
        } else {
            // get affiliate ID from aff Code
            _affID = pIDxName_[_affCode];

            // if affID is not the same as previously stored
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }

        // verify a valid team was selected
        _team = verifyTeam(_team);

        // reload core
        reLoadCore(_pID, _affID, _team, _eth, _eventData_);
    }

    /**
     * @dev withdraws all of your earnings.
     * -functionhash- 0x3ccfd60b
     */
    function withdraw()
    isActivated()
    isHuman()
    public
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab time
        uint256 _now = now;

        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];

        // setup temp var for player eth
        uint256 _eth;

        // check to see if round has ended and no one has run round end yet
        if (_now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
        {
            // set up our tx event data
            F3Ddatasets.EventReturns memory _eventData_;

            // end the round (distributes pot)
            round_[_rID].ended = true;
            _eventData_ = endRound(_eventData_);

            // get their earnings
            _eth = withdrawEarnings(_pID);

            // gib moni
            if (_eth > 0)
                plyr_[_pID].addr.transfer(_eth);

            // build event data
            _eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
            _eventData_.compressedIDs = _eventData_.compressedIDs + _pID;

            // fire withdraw and distribute event
            emit F3Devents.onWithdrawAndDistribute
            (
                msg.sender,
                plyr_[_pID].name,
                _eth,
                _eventData_.compressedData,
                _eventData_.compressedIDs,
                _eventData_.winnerAddr,
                _eventData_.winnerName,
                _eventData_.amountWon,
                _eventData_.newPot,
                _eventData_.mktAmount,
                _eventData_.genAmount
            );

            // in any other situation
        } else {
            // get their earnings
            _eth = withdrawEarnings(_pID);

            // gib moni
            if (_eth > 0)
                plyr_[_pID].addr.transfer(_eth);

            // fire withdraw event
            emit F3Devents.onWithdraw(_pID, msg.sender, plyr_[_pID].name, _eth, _now);
        }
    }

    /**
     * @dev use these to register names.  they are just wrappers that will send the
     * registration requests to the PlayerBook contract.  So registering here is the
     * same as registering there.  UI will always display the last name you registered.
     * but you will still own all previously registered names to use as affiliate
     * links.
     * - must pay a registration fee.
     * - name must be unique
     * - names will be converted to lowercase
     * - name cannot start or end with a space
     * - cannot have more than 1 space in a row
     * - cannot be only numbers
     * - cannot start with 0x
     * - name must be at least 1 char
     * - max length of 32 characters long
     * - allowed characters: a-z, 0-9, and space
     * -functionhash- 0x921dec21 (using ID for affiliate)
     * -functionhash- 0x3ddd4698 (using address for affiliate)
     * -functionhash- 0x685ffd83 (using name for affiliate)
     * @param _nameString players desired name
     * @param _affCode affiliate ID, address, or name of who referred you
     * @param _all set to true if you want this to push your info to all games
     * (this might cost a lot of gas)
     */
    function registerNameXID(string _nameString, uint256 _affCode, bool _all)
    isHuman()
    public
    payable
    {
        bytes32 _name = _nameString.nameFilter();
        address _addr = msg.sender;
        uint256 _paid = msg.value;
        (bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXIDFromDapp.value(_paid)(_addr, _name, _affCode, _all);

        uint256 _pID = pIDxAddr_[_addr];

        // fire event
        emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
    }

    function registerNameXaddr(string _nameString, address _affCode, bool _all)
    isHuman()
    public
    payable
    {
        bytes32 _name = _nameString.nameFilter();
        address _addr = msg.sender;
        uint256 _paid = msg.value;
        (bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXaddrFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);

        uint256 _pID = pIDxAddr_[_addr];

        // fire event
        emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
    }

    function registerNameXname(string _nameString, bytes32 _affCode, bool _all)
    isHuman()
    public
    payable
    {
        bytes32 _name = _nameString.nameFilter();
        address _addr = msg.sender;
        uint256 _paid = msg.value;
        (bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXnameFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);

        uint256 _pID = pIDxAddr_[_addr];

        // fire event
        emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
    }
    /**
     * @dev return the price buyer will pay for next 1 individual key.
     * -functionhash- 0x018a25e8
     * @return price for next key bought (in wei format)
     */
    function getBuyPrice()
    public
    view
    returns(uint256)
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab time
        uint256 _now = now;

        // are we in a round?
        if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
            return ( (round_[_rID].keys.add(1000000000000000000)).ethRec(1000000000000000000) );
        else // rounds over.  need price for new round
            return ( 75000000000000 ); // init
    }

    /**
     * @dev returns time left.  dont spam this, you'll ddos yourself from your node
     * provider
     * -functionhash- 0xc7e284b8
     * @return time left in seconds
     */
    function getTimeLeft()
    public
    view
    returns(uint256)
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab time
        uint256 _now = now;

        if (_now < round_[_rID].end)
            if (_now > round_[_rID].strt + rndGap_)
                return( (round_[_rID].end).sub(_now) );
            else
                return( (round_[_rID].strt + rndGap_).sub(_now) );
        else
            return(0);
    }

    /**
     * @dev returns player earnings per vaults
     * -functionhash- 0x63066434
     * @return winnings vault
     * @return general vault
     * @return affiliate vault
     */
    function getPlayerVaults(uint256 _pID)
    public
    view
    returns(uint256 ,uint256, uint256)
    {
        // setup local rID
        uint256 _rID = rID_;

        // if round has ended.  but round end has not been run (so contract has not distributed winnings)
        if (now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
        {
            // if player is winner
            if (round_[_rID].plyr == _pID)
            {
                return
                (
                (plyr_[_pID].win).add( ((round_[_rID].pot).mul(48)) / 100 ),
                (plyr_[_pID].gen).add(  getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask)   ),
                plyr_[_pID].aff
                );
                // if player is not the winner
            } else {
                return
                (
                plyr_[_pID].win,
                (plyr_[_pID].gen).add(  getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask)  ),
                plyr_[_pID].aff
                );
            }

            // if round is still going on, or round has ended and round end has been ran
        } else {
            return
            (
            plyr_[_pID].win,
            (plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),
            plyr_[_pID].aff
            );
        }
    }

    /**
     * solidity hates stack limits.  this lets us avoid that hate
     */
    function getPlayerVaultsHelper(uint256 _pID, uint256 _rID)
    private
    view
    returns(uint256)
    {
        return(  ((((round_[_rID].mask).add(((((round_[_rID].pot).mul(potSplit_[round_[_rID].team].gen)) / 100).mul(1000000000000000000)) / (round_[_rID].keys))).mul(plyrRnds_[_pID][_rID].keys)) / 1000000000000000000)  );
    }

    /**
     * @dev returns all current round info needed for front end
     * -functionhash- 0x747dff42
     * @return eth invested during ICO phase
     * @return round id
     * @return total keys for round
     * @return time round ends
     * @return time round started
     * @return current pot
     * @return current team ID & player ID in lead
     * @return current player in leads address
     * @return current player in leads name
     * @return whales eth in for round
     * @return bears eth in for round
     * @return sneks eth in for round
     * @return bulls eth in for round
     * @return airdrop tracker # & airdrop pot
     */
    function getCurrentRoundInfo()
    public
    view
    returns(uint256, uint256, uint256, uint256, uint256, uint256, uint256, address, bytes32, uint256, uint256, uint256, uint256, uint256)
    {
        // setup local rID
        uint256 _rID = rID_;

        return
        (
        round_[_rID].ico,               //0
        _rID,                           //1
        round_[_rID].keys,              //2
        round_[_rID].end,               //3
        round_[_rID].strt,              //4
        round_[_rID].pot,               //5
        (round_[_rID].team + (round_[_rID].plyr * 10)),     //6
        plyr_[round_[_rID].plyr].addr,  //7
        plyr_[round_[_rID].plyr].name,  //8
        rndTmEth_[_rID][0],             //9
        rndTmEth_[_rID][1],             //10
        rndTmEth_[_rID][2],             //11
        rndTmEth_[_rID][3],             //12
        airDropTracker_ + (airDropPot_ * 1000)              //13
        );
    }

    /**
     * @dev returns player info based on address.  if no address is given, it will
     * use msg.sender
     * -functionhash- 0xee0b5d8b
     * @param _addr address of the player you want to lookup
     * @return player ID
     * @return player name
     * @return keys owned (current round)
     * @return winnings vault
     * @return general vault
     * @return affiliate vault
	 * @return player round eth
     */
    function getPlayerInfoByAddress(address _addr)
    public
    view
    returns(uint256, bytes32, uint256, uint256, uint256, uint256, uint256)
    {
        // setup local rID
        uint256 _rID = rID_;

        if (_addr == address(0))
        {
            _addr == msg.sender;
        }
        uint256 _pID = pIDxAddr_[_addr];

        return
        (
        _pID,                               //0
        plyr_[_pID].name,                   //1
        plyrRnds_[_pID][_rID].keys,         //2
        plyr_[_pID].win,                    //3
        (plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),       //4
        plyr_[_pID].aff,                    //5
        plyrRnds_[_pID][_rID].eth           //6
        );
    }

    /**
     * @dev logic runs whenever a buy order is executed.  determines how to handle
     * incoming eth depending on if we are in an active round or not
     */
    function buyCore(uint256 _pID, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
    private
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab time
        uint256 _now = now;

        // if round is active
        if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
        {
            // call core
            core(_rID, _pID, msg.value, _affID, _team, _eventData_);

            // if round is not active
        } else {
            // check to see if end round needs to be ran
            if (_now > round_[_rID].end && round_[_rID].ended == false)
            {
                // end the round (distributes pot) & start new round
                round_[_rID].ended = true;
                _eventData_ = endRound(_eventData_);

                // build event data
                _eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
                _eventData_.compressedIDs = _eventData_.compressedIDs + _pID;

                // fire buy and distribute event
                emit F3Devents.onBuyAndDistribute
                (
                    msg.sender,
                    plyr_[_pID].name,
                    msg.value,
                    _eventData_.compressedData,
                    _eventData_.compressedIDs,
                    _eventData_.winnerAddr,
                    _eventData_.winnerName,
                    _eventData_.amountWon,
                    _eventData_.newPot,
                    _eventData_.mktAmount,
                    _eventData_.genAmount
                );
            }

            // put eth in players vault
            plyr_[_pID].gen = plyr_[_pID].gen.add(msg.value);
        }
    }

    /**
     * @dev logic runs whenever a reload order is executed.  determines how to handle
     * incoming eth depending on if we are in an active round or not
     */
    function reLoadCore(uint256 _pID, uint256 _affID, uint256 _team, uint256 _eth, F3Ddatasets.EventReturns memory _eventData_)
    private
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab time
        uint256 _now = now;

        // if round is active
        if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
        {
            // get earnings from all vaults and return unused to gen vault
            // because we use a custom safemath library.  this will throw if player
            // tried to spend more eth than they have.
            plyr_[_pID].gen = withdrawEarnings(_pID).sub(_eth);

            // call core
            core(_rID, _pID, _eth, _affID, _team, _eventData_);

            // if round is not active and end round needs to be ran
        } else if (_now > round_[_rID].end && round_[_rID].ended == false) {
            // end the round (distributes pot) & start new round
            round_[_rID].ended = true;
            _eventData_ = endRound(_eventData_);

            // build event data
            _eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
            _eventData_.compressedIDs = _eventData_.compressedIDs + _pID;

            // fire buy and distribute event
            emit F3Devents.onReLoadAndDistribute
            (
                msg.sender,
                plyr_[_pID].name,
                _eventData_.compressedData,
                _eventData_.compressedIDs,
                _eventData_.winnerAddr,
                _eventData_.winnerName,
                _eventData_.amountWon,
                _eventData_.newPot,
                _eventData_.mktAmount,
                _eventData_.genAmount
            );
        }
    }

    /**
     * @dev this is the core logic for any buy/reload that happens while a round
     * is live.
     */
    function core(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
    private
    {
        // if player is new to round
        if (plyrRnds_[_pID][_rID].keys == 0)
            _eventData_ = managePlayer(_pID, _eventData_);

        // early round eth limiter
        if (round_[_rID].eth < 100000000000000000000 && plyrRnds_[_pID][_rID].eth.add(_eth) > 1000000000000000000)
        {
            uint256 _availableLimit = (1000000000000000000).sub(plyrRnds_[_pID][_rID].eth);
            uint256 _refund = _eth.sub(_availableLimit);
            plyr_[_pID].gen = plyr_[_pID].gen.add(_refund);
            _eth = _availableLimit;
        }

        // if eth left is greater than min eth allowed (sorry no pocket lint)
        if (_eth > 1000000000)
        {
            // mint the new keys
            uint256 _keys = (round_[_rID].eth).keysRec(_eth);

            // if they bought at least 1 whole key
            if (_keys >= 1000000000000000000)
            {
                updateTimer(_keys, _rID);

                // set new leaders
                if (round_[_rID].plyr != _pID)
                    round_[_rID].plyr = _pID;
                if (round_[_rID].team != _team)
                    round_[_rID].team = _team;

                // set the new leader bool to true
                _eventData_.compressedData = _eventData_.compressedData + 100;
            }

            // manage airdrops
            if (_eth >= 100000000000000000)
            {
                airDropTracker_++;
                if (airdrop() == true)
                {
                    // gib muni
                    uint256 _prize;
                    if (_eth >= 10000000000000000000)
                    {
                        // calculate prize and give it to winner
                        _prize = ((airDropPot_).mul(75)) / 100;
                        plyr_[_pID].win = (plyr_[_pID].win).add(_prize);

                        // adjust airDropPot
                        airDropPot_ = (airDropPot_).sub(_prize);

                        // let event know a tier 3 prize was won
                        _eventData_.compressedData += 300000000000000000000000000000000;
                    } else if (_eth >= 1000000000000000000 && _eth < 10000000000000000000) {
                        // calculate prize and give it to winner
                        _prize = ((airDropPot_).mul(50)) / 100;
                        plyr_[_pID].win = (plyr_[_pID].win).add(_prize);

                        // adjust airDropPot
                        airDropPot_ = (airDropPot_).sub(_prize);

                        // let event know a tier 2 prize was won
                        _eventData_.compressedData += 200000000000000000000000000000000;
                    } else if (_eth >= 100000000000000000 && _eth < 1000000000000000000) {
                        // calculate prize and give it to winner
                        _prize = ((airDropPot_).mul(25)) / 100;
                        plyr_[_pID].win = (plyr_[_pID].win).add(_prize);

                        // adjust airDropPot
                        airDropPot_ = (airDropPot_).sub(_prize);

                        // let event know a tier 3 prize was won
                        _eventData_.compressedData += 300000000000000000000000000000000;
                    }
                    // set airdrop happened bool to true
                    _eventData_.compressedData += 10000000000000000000000000000000;
                    // let event know how much was won
                    _eventData_.compressedData += _prize * 1000000000000000000000000000000000;

                    // reset air drop tracker
                    airDropTracker_ = 0;
                }
            }

            // store the air drop tracker number (number of buys since last airdrop)
            _eventData_.compressedData = _eventData_.compressedData + (airDropTracker_ * 1000);

            // update player
            plyrRnds_[_pID][_rID].keys = _keys.add(plyrRnds_[_pID][_rID].keys);
            plyrRnds_[_pID][_rID].eth = _eth.add(plyrRnds_[_pID][_rID].eth);

            // update round
            round_[_rID].keys = _keys.add(round_[_rID].keys);
            round_[_rID].eth = _eth.add(round_[_rID].eth);
            rndTmEth_[_rID][_team] = _eth.add(rndTmEth_[_rID][_team]);

            // distribute eth
            _eventData_ = distributeExternal(_rID, _pID, _eth, _affID, _team, _eventData_);
            _eventData_ = distributeInternal(_rID, _pID, _eth, _team, _keys, _eventData_);

            // call end tx function to fire end tx event.
            endTx(_pID, _team, _eth, _keys, _eventData_);
        }
    }
    /**
     * @dev calculates unmasked earnings (just calculates, does not update mask)
     * @return earnings in wei format
     */
    function calcUnMaskedEarnings(uint256 _pID, uint256 _rIDlast)
    private
    view
    returns(uint256)
    {
        return(  (((round_[_rIDlast].mask).mul(plyrRnds_[_pID][_rIDlast].keys)) / (1000000000000000000)).sub(plyrRnds_[_pID][_rIDlast].mask)  );
    }

    /**
     * @dev returns the amount of keys you would get given an amount of eth.
     * -functionhash- 0xce89c80c
     * @param _rID round ID you want price for
     * @param _eth amount of eth sent in
     * @return keys received
     */
    function calcKeysReceived(uint256 _rID, uint256 _eth)
    public
    view
    returns(uint256)
    {
        // grab time
        uint256 _now = now;

        // are we in a round?
        if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
            return ( (round_[_rID].eth).keysRec(_eth) );
        else // rounds over.  need keys for new round
            return ( (_eth).keys() );
    }

    /**
     * @dev returns current eth price for X keys.
     * -functionhash- 0xcf808000
     * @param _keys number of keys desired (in 18 decimal format)
     * @return amount of eth needed to send
     */
    function iWantXKeys(uint256 _keys)
    public
    view
    returns(uint256)
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab time
        uint256 _now = now;

        // are we in a round?
        if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
            return ( (round_[_rID].keys.add(_keys)).ethRec(_keys) );
        else // rounds over.  need price for new round
            return ( (_keys).eth() );
    }
    //==============================================================================
    //    _|_ _  _ | _  .
    //     | (_)(_)|_\  .
    //==============================================================================
    /**
	 * @dev receives name/player info from names contract
     */
    function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff)
    external
    {
        require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
        if (pIDxAddr_[_addr] != _pID)
            pIDxAddr_[_addr] = _pID;
        if (pIDxName_[_name] != _pID)
            pIDxName_[_name] = _pID;
        if (plyr_[_pID].addr != _addr)
            plyr_[_pID].addr = _addr;
        if (plyr_[_pID].name != _name)
            plyr_[_pID].name = _name;
        if (plyr_[_pID].laff != _laff)
            plyr_[_pID].laff = _laff;
        if (plyrNames_[_pID][_name] == false)
            plyrNames_[_pID][_name] = true;
    }

    /**
     * @dev receives entire player name list
     */
    function receivePlayerNameList(uint256 _pID, bytes32 _name)
    external
    {
        require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
        if(plyrNames_[_pID][_name] == false)
            plyrNames_[_pID][_name] = true;
    }

    /**
     * @dev gets existing or registers new pID.  use this when a player may be new
     * @return pID
     */
    function determinePID(F3Ddatasets.EventReturns memory _eventData_)
    private
    returns (F3Ddatasets.EventReturns)
    {
        uint256 _pID = pIDxAddr_[msg.sender];
        // if player is new to this version of fomo3d
        if (_pID == 0)
        {
            // grab their player ID, name and last aff ID, from player names contract
            _pID = PlayerBook.getPlayerID(msg.sender);
            bytes32 _name = PlayerBook.getPlayerName(_pID);
            uint256 _laff = PlayerBook.getPlayerLAff(_pID);

            // set up player account
            pIDxAddr_[msg.sender] = _pID;
            plyr_[_pID].addr = msg.sender;

            if (_name != "")
            {
                pIDxName_[_name] = _pID;
                plyr_[_pID].name = _name;
                plyrNames_[_pID][_name] = true;
            }

            if (_laff != 0 && _laff != _pID)
                plyr_[_pID].laff = _laff;

            // set the new player bool to true
            _eventData_.compressedData = _eventData_.compressedData + 1;
        }
        return (_eventData_);
    }

    /**
     * @dev checks to make sure user picked a valid team.  if not sets team
     * to default (sneks)
     */
    function verifyTeam(uint256 _team)
    private
    pure
    returns (uint256)
    {
        if (_team < 0 || _team > 3)
            return(2);
        else
            return(_team);
    }

    /**
     * @dev decides if round end needs to be run & new round started.  and if
     * player unmasked earnings from previously played rounds need to be moved.
     */
    function managePlayer(uint256 _pID, F3Ddatasets.EventReturns memory _eventData_)
    private
    returns (F3Ddatasets.EventReturns)
    {
        // if player has played a previous round, move their unmasked earnings
        // from that round to gen vault.
        if (plyr_[_pID].lrnd != 0)
            updateGenVault(_pID, plyr_[_pID].lrnd);

        // update player's last round played
        plyr_[_pID].lrnd = rID_;

        // set the joined round bool to true
        _eventData_.compressedData = _eventData_.compressedData + 10;

        return(_eventData_);
    }

    /**
     * @dev ends the round. manages paying out winner/splitting up pot
     */
    function endRound(F3Ddatasets.EventReturns memory _eventData_)
    private
    returns (F3Ddatasets.EventReturns)
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab our winning player and team id's
        uint256 _winPID = round_[_rID].plyr;
        uint256 _winTID = round_[_rID].team;

        // grab our pot amount
        uint256 _pot = round_[_rID].pot;

        // calculate our winner share, community rewards, gen share,
        // p3d share, and amount reserved for next pot
        uint256 _win = (_pot.mul(48)) / 100;
        uint256 _com = (_pot / 50);
        uint256 _gen = (_pot.mul(potSplit_[_winTID].gen)) / 100;
        uint256 _mkt = (_pot.mul(potSplit_[_winTID].marketing)) / 100;
        uint256 _res = ((_pot.sub(_win)).sub(_com)).sub(_gen).sub(_mkt);

        // calculate ppt for round mask
        uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
        uint256 _dust = _gen.sub((_ppt.mul(round_[_rID].keys)) / 1000000000000000000);
        if (_dust > 0)
        {
            _gen = _gen.sub(_dust);
            _res = _res.add(_dust);
        }

        // pay our winner
        plyr_[_winPID].win = _win.add(plyr_[_winPID].win);

        // community rewards
        _com = _com.add(_mkt);
        if (!owner.send(_com)) {
            _com = 0;
            _res = _res.add(_com);
        }

        // distribute gen portion to key holders
        round_[_rID].mask = _ppt.add(round_[_rID].mask);

        // prepare event data
        _eventData_.compressedData = _eventData_.compressedData + (round_[_rID].end * 1000000);
        _eventData_.compressedIDs = _eventData_.compressedIDs + (_winPID * 100000000000000000000000000) + (_winTID * 100000000000000000);
        _eventData_.winnerAddr = plyr_[_winPID].addr;
        _eventData_.winnerName = plyr_[_winPID].name;
        _eventData_.amountWon = _win;
        _eventData_.genAmount = _gen;
        _eventData_.mktAmount = _mkt;
//        _eventData_.comAmount = _com;
        _eventData_.newPot = _res;

        // start next round
        rID_++;
        _rID++;
        round_[_rID].strt = now;
        round_[_rID].end = now.add(rndInit_).add(rndGap_);
        round_[_rID].pot = _res;

        return(_eventData_);
    }

    /**
     * @dev moves any unmasked earnings to gen vault.  updates earnings mask
     */
    function updateGenVault(uint256 _pID, uint256 _rIDlast)
    private
    {
        uint256 _earnings = calcUnMaskedEarnings(_pID, _rIDlast);
        if (_earnings > 0)
        {
            // put in gen vault
            plyr_[_pID].gen = _earnings.add(plyr_[_pID].gen);
            // zero out their earnings by updating mask
            plyrRnds_[_pID][_rIDlast].mask = _earnings.add(plyrRnds_[_pID][_rIDlast].mask);
        }
    }

    /**
     * @dev updates round timer based on number of whole keys bought.
     */
    function updateTimer(uint256 _keys, uint256 _rID)
    private
    {
        // grab time
        uint256 _now = now;

        // calculate time based on number of keys bought
        uint256 _newTime;
        if (_now > round_[_rID].end && round_[_rID].plyr == 0)
            _newTime = (((_keys) / (1000000000000000000)).mul(rndInc_)).add(_now);
        else
            _newTime = (((_keys) / (1000000000000000000)).mul(rndInc_)).add(round_[_rID].end);

        // compare to max and set new end time
        if (_newTime < (rndMax_).add(_now))
            round_[_rID].end = _newTime;
        else
            round_[_rID].end = rndMax_.add(_now);
    }

    /**
     * @dev generates a random number between 0-99 and checks to see if thats
     * resulted in an airdrop win
     * @return do we have a winner?
     */
    function airdrop()
    private
    view
    returns(bool)
    {
        uint256 seed = uint256(keccak256(abi.encodePacked((block.timestamp).add(block.difficulty).add((uint256(keccak256(abi.encodePacked(block.coinbase)))) / (now)).add(block.gaslimit).add((uint256(keccak256(abi.encodePacked(msg.sender)))) / (now)).add(block.number))));
        if((seed - ((seed / 1000) * 1000)) < airDropTracker_)
            return(true);
        else
            return(false);
    }

    /**
     * @dev distributes eth based on fees to com, aff, and p3d
     */
    function distributeExternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
    private
    returns(F3Ddatasets.EventReturns)
    {
        // pay 2% out to community rewards
        uint256 _com = _eth / 50;

        // distribute share to affiliate
        uint256 _aff = _eth / 10;

        // decide what to do with affiliate share of fees
        // affiliate must not be self, and must have a name registered
        if (_affID != _pID && plyr_[_affID].name != '') {
            plyr_[_affID].aff = _aff.add(plyr_[_affID].aff);
            emit F3Devents.onAffiliatePayout(_affID, plyr_[_affID].addr, plyr_[_affID].name, _rID, _pID, _aff, now);
        } else {
            _com = _com.add(_aff);
        }

        uint256 _mkt = _eth.mul(fees_[_team].marketing) / 100;
        _com = _com.add(_mkt);
        owner.transfer(_com);

        _eventData_.mktAmount = _mkt;
//        _eventData_.comAmount = _com;
        return(_eventData_);
    }

    function potSwap()
    external
    payable
    {
        // setup local rID
        uint256 _rID = rID_ + 1;

        round_[_rID].pot = round_[_rID].pot.add(msg.value);
        emit F3Devents.onPotSwapDeposit(_rID, msg.value);
    }

    /**
     * @dev distributes eth based on fees to gen and pot
     */
    function distributeInternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _team, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
    private
    returns(F3Ddatasets.EventReturns)
    {
        // calculate gen share
        uint256 _gen = (_eth.mul(fees_[_team].gen)) / 100;

        // toss 1% into airdrop pot
        uint256 _air = (_eth / 100);
        airDropPot_ = airDropPot_.add(_air);

        uint256 cut = (fees_[_team].marketing).add(13);
        _eth = _eth.sub(_eth.mul(cut) / 100);

        // calculate pot
        uint256 _pot = _eth.sub(_gen);

        // distribute gen share (thats what updateMasks() does) and adjust
        // balances for dust.
        uint256 _dust = updateMasks(_rID, _pID, _gen, _keys);
        if (_dust > 0) {
            _gen = _gen.sub(_dust);
        }

        // add eth to pot
        round_[_rID].pot = _pot.add(_dust).add(round_[_rID].pot);

        // set up event data
        _eventData_.genAmount = _gen.add(_eventData_.genAmount);
        _eventData_.potAmount = _pot;

        return(_eventData_);
    }

    /**
     * @dev updates masks for round and player when keys are bought
     * @return dust left over
     */
    function updateMasks(uint256 _rID, uint256 _pID, uint256 _gen, uint256 _keys)
    private
    returns(uint256)
    {
        /* MASKING NOTES
            earnings masks are a tricky thing for people to wrap their minds around.
            the basic thing to understand here.  is were going to have a global
            tracker based on profit per share for each round, that increases in
            relevant proportion to the increase in share supply.

            the player will have an additional mask that basically says "based
            on the rounds mask, my shares, and how much i've already withdrawn,
            how much is still owed to me?"
        */

        // calc profit per key & round mask based on this buy:  (dust goes to pot)
        uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
        round_[_rID].mask = _ppt.add(round_[_rID].mask);

        // calculate player earning from their own buy (only based on the keys
        // they just bought).  & update player earnings mask
        uint256 _pearn = (_ppt.mul(_keys)) / (1000000000000000000);
        plyrRnds_[_pID][_rID].mask = (((round_[_rID].mask.mul(_keys)) / (1000000000000000000)).sub(_pearn)).add(plyrRnds_[_pID][_rID].mask);

        // calculate & return dust
        return(_gen.sub((_ppt.mul(round_[_rID].keys)) / (1000000000000000000)));
    }

    /**
     * @dev adds up unmasked earnings, & vault earnings, sets them all to 0
     * @return earnings in wei format
     */
    function withdrawEarnings(uint256 _pID)
    private
    returns(uint256)
    {
        // update gen vault
        updateGenVault(_pID, plyr_[_pID].lrnd);

        // from vaults
        uint256 _earnings = (plyr_[_pID].win).add(plyr_[_pID].gen).add(plyr_[_pID].aff);
        if (_earnings > 0)
        {
            plyr_[_pID].win = 0;
            plyr_[_pID].gen = 0;
            plyr_[_pID].aff = 0;
        }

        return(_earnings);
    }

    /**
     * @dev prepares compression data and fires event for buy or reload tx's
     */
    function endTx(uint256 _pID, uint256 _team, uint256 _eth, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
    private
    {
        _eventData_.compressedData = _eventData_.compressedData + (now * 1000000000000000000) + (_team * 100000000000000000000000000000);
        _eventData_.compressedIDs = _eventData_.compressedIDs + _pID + (rID_ * 10000000000000000000000000000000000000000000000000000);

        emit F3Devents.onEndTx
        (
            _eventData_.compressedData,
            _eventData_.compressedIDs,
            plyr_[_pID].name,
            msg.sender,
            _eth,
            _keys,
            _eventData_.winnerAddr,
            _eventData_.winnerName,
            _eventData_.amountWon,
            _eventData_.newPot,
            _eventData_.mktAmount,
//            _eventData_.comAmount,
            _eventData_.genAmount,
            _eventData_.potAmount,
            airDropPot_
        );
    }
    //==============================================================================
    //    (~ _  _    _._|_    .
    //    _)(/_(_|_|| | | \/  .
    //====================/=========================================================
    /** upon contract deploy, it will be deactivated.  this is a one time
     * use function that will activate the contract.  we do this so devs
     * have time to set things up on the web end                            **/
    bool public activated_ = false;
    function activate()
    public onlyOwner {
        // make sure that its been linked.
//        require(address(otherF3D_) != address(0), "must link to other FoMo3D first");

        // can only be ran once
        require(activated_ == false, "fomo3d already activated");

        // activate the contract
        activated_ = true;

        // lets start first round
        rID_ = 1;
        round_[1].strt = now;
        round_[1].end = now + rndInit_;
    }
}
function getTimeLeft()
    public
    view
    returns(uint256)
    {
        // setup local rID
        uint256 _rID = rID_;

        // grab time
        uint256 _now = now;

        if (_now < round_[_rID].end)
            if (_now > round_[_rID].strt + rndGap_)
                return( (round_[_rID].end).sub(_now) );
            else
                return( (round_[_rID].strt + rndGap_).sub(_now) );
        else
            return(0);
    }
/**
 * @dev returns time left.  dont spam this, you'll ddos yourself from your node
 * provider
 * -functionhash- 0xc7e284b8
 * @return time left in seconds
 */