//
// GetCheapestKingOrVoid()
//
// returns the next cheapest suit with a king or void
//
int CCueBidConvention::GetCheapestKingOrVoid(CHandHoldings& hand, int nBaseSuit, int nSecondSuit)
{
int i;
//
if (nBaseSuit < CLUBS)
return NONE;
//
int nSuit;
if (nBaseSuit == NOTRUMP)
nSuit = CLUBS;
else
nSuit = GetNextSuit(nBaseSuit);
for(i=0;i<4;i++)
{
// suit should be void or else have a king
if ( ((hand.GetSuitLength(nSuit) == 0) || hand.SuitHasCard(nSuit, KING)) &&
(nSuit != nSecondSuit) )
break;
nSuit = GetNextSuit(nSuit);
}
//
if (i < 4)
return nSuit;
else
return nBaseSuit;
}
//
// GetCheapestAce()
//
// returns the next cheapest suit with an Ace
// used for cue bidding
//
int CCueBidConvention::GetCheapestAce(CHandHoldings& hand, int nBaseSuit, int nSecondSuit)
{
int i;
//
if (nBaseSuit < CLUBS)
return NONE;
//
int nSuit;
if (nBaseSuit == NOTRUMP)
nSuit = CLUBS;
else
nSuit = GetNextSuit(nBaseSuit);
for(i=0;i<4;i++)
{
if (hand.SuitHasCard(nSuit, ACE) && (nSuit != nSecondSuit))
break;
nSuit = GetNextSuit(nSuit);
}
//
if (i < 4)
return nSuit;
else
return nBaseSuit;
}
//
//---------------------------------------------------------------
//
// RespondToConvention()
//
BOOL CCueBidConvention::RespondToConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
// first see if another convention is active
if (bidState.GetActiveConvention() &&
(bidState.GetActiveConvention() != this))
return FALSE;
// basic test -- see if we had agreed on a suit last time
if (bidState.m_nAgreedSuit == NONE)
return FALSE;
// get status
int nStatus = bidState.GetConventionStatus(this);
//
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersPrevSuit = bidState.nPartnersPrevSuit;
int nAgreedSuit = bidState.m_nAgreedSuit;
int nSupportLevel = bidState.nPartnersSuitSupport;
int nBid;
// see if partner made a cue bid
// it needs to be a bid that commits the partnership to game,
// after a suit has been agreed upon
if ((nAgreedSuit != NONE) && (nPartnersSuit != NOTRUMP) && (nPartnersSuit != nAgreedSuit) &&
((nPartnersBid > MAKEBID(nAgreedSuit,3)) && (nPartnersBid < bidState.GetGameBid(nAgreedSuit))))
{
//NCR what if suit was previously bid by this player???
// EG: N->1H, S->2C, N->3C, S->3H 3H is NOT a cue bid, it's a response to this player's previous bid
// NCR how to test if partner's current bid was in suit previously bid ???
// NCR what about a game bid???
int nSuit = BID_SUIT(nPartnersBid);
for(int i=0; i < player.GetNumBidsMade(); i++) { // NCR had to add const to this function def
int nSuitBid = pDOC->GetBidByPlayer(player.GetPosition(), i);
if(BID_SUIT(nSuitBid) == nSuit)
return FALSE; // NCR not cue if partner bid before ???
}
// NCR-295 game bid in agreed suit???
if(bidState.IsGameBid(nPartnersBid) && (nSuit == nAgreedSuit) ) // || CheckIfSuitBid(player, BID_SUIT(nPartnersBid)))
{
return FALSE; //NCR don't treat Game bid as cue bid
}
// met the requirements
status << "CUR0! Partner made a cue bid of " & BTS(nPartnersBid) &
", hinting at slam prospects.\n";
}
else
{
// this is not a cue bid
return FALSE;
}
//
// respond to a cue bid only if we have an interest in slam
//
// only qualify if we have 30+ team points, _OR_
// strong trump support and 28+ poitns
//
if (bidState.m_fMinTPPoints >= 30)
{
// 30+ team points
status << "2CUR1! And since we have " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
"+ points in the partnership, we want to respond favorably.\n";
}
else if ((nSupportLevel >= SS_GOOD_SUPPORT) &&
(bidState.m_fMinTPPoints >= 28))
{
// good support (4 good or 5 moderate cards)
status << "2CUR2! And since we have " & bidState.SLTS(nPartnersSuit) &
" trump support, " &
((bidState.m_fMinTPPoints >= 30)? " as well as " : " albeit only with ") &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points in the partnership, we want to respond favorably.\n";
}
else
{
// insufficient strength for slam -- correct back to the agreed suit
nBid = bidState.GetCheapestShiftBid(nAgreedSuit);
status << "CUR4! But we don't have the points (only " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership) or the excellent trump support needed for a marginal slam, so we decline by returning to the agreed suit at a bid of " &
BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
//
// else we're playing along -- find the cheapest response
//
if (nStatus == CONV_INACTIVE)
{
// first invocation -- find the cheapest Ace
int nSuit = GetCheapestAce(hand, nPartnersSuit, bidState.m_nAgreedSuit);
// found a suit with an ace?
if ((nSuit != nPartnersSuit) && (nSuit != nAgreedSuit))
{
// found a suit to cue bid
nBid = bidState.GetCheapestShiftBid(nSuit);
status << "CUR20! Respond to partner's cue bid, showing our cheapest ace (" &
STS(nSuit) & ") with a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_RESPONDED_ROUND1);
return TRUE;
}
else
{
// found no ace, or else it's in the trump suit, so either way
// just sign off at the agreed suit
nBid = bidState.GetCheapestShiftBid(nAgreedSuit);
if (hand.SuitHasCard(nSuit, ACE))
status << "CUR22! But our only Ace is in the trump suit of " &
STSS(nAgreedSuit) & ", so sign off at a bid of " & BTS(nBid) & ".\n";
else
status << "CUR24! We have no other Aces to offer, so sign off with the agreed " &
STSS(nAgreedSuit) & " suit at a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
}
else if (nStatus == CONV_RESPONDED_ROUND1)
{
// second invocation -- find cheapest King or void
// first invocation -- find teh cheapest Ace
int nSuit = GetCheapestKingOrVoid(hand, nPartnersSuit, bidState.m_nAgreedSuit);
// found an appropriate suit?
if ((nSuit != nPartnersSuit) && (nSuit != nAgreedSuit))
{
// found a suit to cue bid
nBid = bidState.GetCheapestShiftBid(nSuit);
status << "CUR30! Respond to partner's cue bid, showing our cheapest " &
((hand.GetSuitLength(nSuit) > 0)? "King" : "void suit") &
" (in " & STS(nSuit) & ") with a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
// bidState.SetConventionStatus(this, CONV_RESPONDED_ROUND2);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else
{
// found no king or void, or else found a king in the trump suit,
// so either way, just sign off at the agreed suit
nBid = bidState.GetCheapestShiftBid(nAgreedSuit);
if (hand.SuitHasCard(nSuit, KING))
status << "CUR32! But our only Ace is in the trump suit of " &
STSS(nAgreedSuit) & ", so sign off at a bid of " & BTS(nBid) & ".\n";
else
status << "CUR34 We have no other Kings or void suits to offer, so sign off with the agreed " &
STSS(nAgreedSuit) & " suit at a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
}
else
{
// error!
bidState.SetConventionStatus(this, CONV_ERROR);
return FALSE;
}
}
//
//---------------------------------------------------------------
//
// InvokeGerber()
//
// Start the Gerber convention
//
BOOL CGerberConvention::InvokeGerber(CHandHoldings& hand, CBidEngine& bidState, CPlayerStatusDialog& status, int nEventualSuit)
{
// record intended suit for later use
ASSERT(nEventualSuit != NONE);
bidState.m_nAgreedSuit = nEventualSuit;
double fMinTPPoints = bidState.m_fMinTPPoints;
double fMaxTPPoints = bidState.m_fMaxTPPoints;
double fMinTPCPoints = bidState.m_fMinTPCPoints;
double fMaxTPCPoints = bidState.m_fMaxTPCPoints;
double fCardPts = bidState.fCardPts;
double fPts = bidState.fPts;
double fAdjPts = bidState.fAdjPts;
int nBid;
// if Gerber has already been used, return
if (bidState.GetConventionStatus(this) >= CONV_INVOKED)
return FALSE;
//
// if Gerber is not enabled, just bid slam directly
//
if (!pCurrConvSet->IsConventionEnabled(tidGerber))
{
// no Gerber? go ahead and bid slam directly
status << "2GERBX! we have " & fCardPts & "/" & fPts & "/" & fAdjPts &
" points in hand, for a total of approx. " &
fMinTPPoints & "-" & fMaxTPPoints & " / " &
fMinTPCPoints & "-" & fMaxTPCPoints &
" pts in the partnership, but we can't use Gerber to investigate Aces and Kings since it's currently not enabled.\n";
// bid a grand slam if we have 37+ pts and the trump ace
// or a small slam with 32+ points
// or make the cheapest shift bid otherwise (D'oh!)
if ((fMinTPPoints >= PTS_GRAND_SLAM+1) && (hand.SuitHasCard(nEventualSuit, ACE)))
{
nBid = MAKEBID(nEventualSuit, 7);
status << "2GERBX1! but since we have the points for a grand slam and we hold the trump ace, go ahead and bid " &
BTS(nBid) & ".\n";
}
else if (fMinTPPoints >= PTS_SLAM)
{
nBid = MAKEBID(nEventualSuit, 6);
status << "2GERBX2! but since we have the points for a small slam, go ahead and bid " &
BTS(nBid) & ".\n";
}
else
{
// get cheapest shift bid
nBid = bidState.GetCheapestShiftBid(nEventualSuit);
status << "2GERBX3! so we just bid " & BTS(nBid) & ".\n";
}
//
bidState.SetBid(nBid);
return TRUE;
}
//
// shouldn't use Gerber if we have all four aces
//
if (bidState.numAces == 4)
{
// no Gerber? go ahead and bid slam directly
status << "2GERBY! Unfortunately, since we hold all four aces, Gerber is of little value to us.\n";
// bid a grand slam if we have 37+ pts and the trump ace
// or a small slam with 32+ points
// or make the cheapest shift bid otherwise (D'oh!)
if ((fMinTPPoints >= PTS_SLAM+1)
// NCR-324 added NOTRUMP test
&& ((nEventualSuit == NOTRUMP) || (hand.SuitHasCard(nEventualSuit, ACE))))
{
nBid = MAKEBID(nEventualSuit, 7);
status << "2GERBY1! so since we have the points for a grand slam, go ahead and bid " &
BTS(nBid) & ".\n";
}
else if (fMinTPPoints >= PTS_SLAM)
{
nBid = MAKEBID(nEventualSuit, 6);
status << "2GERBY2! so since we have the points for a small slam, go ahead and bid " &
BTS(nBid) & ".\n";
}
else
{
nBid = bidState.GetCheapestShiftBid(nEventualSuit, pDOC->GetLastValidBid());
status << "2GERBY3! so without quite enough points for a slam, we just bid " & BTS(nBid) & ".\n";
}
//
bidState.SetBid(nBid);
return TRUE;
}
//
// else we're playing Gerber and do not hold all four aces
// so make the bid to ask for aces
//
int nPartnersbid = bidState.nPartnersBid;
if ((nPartnersbid == BID_1NT) || (nPartnersbid == BID_2NT)
// NCR-246a Allow Gerber after Stayman 2C
|| ((nPartnersbid < BID_3NT) && bidState.nPreviousBid == BID_2C) )
{
nBid = BID_4C;
status << "GERBD! with " & bidState.fCardPts & "/" & bidState.fPts & "/" & bidState.fAdjPts &
" points in the hand, for a total of approx. " &
fMinTPCPoints & "-" & fMaxTPCPoints & " / " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, explore slam possibilities with Gerber at " &
BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "GERBDx! we'd like to use Gerber, but partner has already bid higher than 4C, so we have to pass.\n";
}
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_INVOKED_ROUND1);
// done
return TRUE;
}
