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#include "deal.h"
#include "tcl_incl.h"
#include "dealtypes.h"
#include "ddsInterface.h"
#ifdef BENCH
int totalNodes = 0;
#endif
static int LastTrump = -1;
static int CountCalls = 0;
static int parse_diagram(Tcl_Interp *interp,Tcl_Obj *diagram, struct deal *aDeal, int *handLength) {
int retval,length;
int suitHoldings[4];
int countHand[4];
Tcl_Obj **hands;
int hand,suit;
for (suit=0; suit<4; suit++) {
suitHoldings[suit]=0;
for (hand=0; hand<4; hand++) {
aDeal->remaining.cards[hand][suit]=0;
}
}
retval = Tcl_ListObjGetElements(interp,diagram,&length,&hands);
if (retval !=TCL_OK) {
return TCL_ERROR;
}
if (length!=4) {
return TCL_ERROR;
}
for (hand=0; hand<4; hand++) {
int suitCount;
Tcl_Obj **suits;
countHand[hand] = 0;
retval = Tcl_ListObjGetElements(interp,hands[hand],&suitCount, &suits);
if (retval != TCL_OK) {
return TCL_ERROR;
}
if (suitCount>4) {
return TCL_ERROR;
}
for (suit=0; suit<suitCount; suit++) {
int holding;
int suitLength;
holding = getHoldingNumFromObj(interp,suits[suit]);
if (holding<0) {
return TCL_ERROR;
}
holding &= 8191;
aDeal->remaining.cards[hand][suit] = holding;
suitLength = counttable[holding];
countHand[hand] += suitLength;
if (suitHoldings[suit] & holding) {
/* Not disjoint */
return TCL_ERROR;
}
suitHoldings[suit] |= (holding);
}
}
for (hand=1; hand<4; hand++) {
if (countHand[hand] != countHand[0]) {
/* Hands not all same size */
return TCL_ERROR;
}
}
*handLength = countHand[0];
return TCL_OK;
}
static int tcl_double_dummy_reset(TCLOBJ_PARAMS) TCLOBJ_DECL
{
LastTrump = -1;
return TCL_OK;
}
static int tcl_dds(TCLOBJ_PARAMS) TCLOBJ_DECL
{
static int doInit=1,
DiagramFlagID=-1,
GoalFlagID=-1,
NoReuseFlagID=-1,
ReuseFlagID=-1,
LeaderFlagID=-1,
TrickFlagID=-1;
int goal=-1;
int playerGoal = -1;
int hand, suit,result;
int mode=-1;
int declarer = 2;
struct deal d;
int status;
int handLength;
int cardsPlayedToTrick=0;
int totalTricksPlayed=0;
int played[4];
Tcl_Obj *diagram = NULL;
struct futureTricks futp;
if (doInit) {
ReuseFlagID=Keyword_addKey("-reuse");
NoReuseFlagID=Keyword_addKey("-noreuse");
DiagramFlagID=Keyword_addKey("-diagram");
GoalFlagID=Keyword_addKey("-goal");
LeaderFlagID=Keyword_addKey("-leader");
TrickFlagID=Keyword_addKey("-trick");
doInit=0;
}
memset(&(d.currentTrickSuit), 0, 3*sizeof(int));
memset(&(d.currentTrickRank), 0, 3*sizeof(int));
d.trump=4; /* notrump */
d.first=-1; /* unknown */
for (suit=0; suit<4; suit++) {
played[suit] = 0;
}
while (objc > 1) {
int id = Keyword_getIdFromObj(interp,objv[1]);
objv++; objc--;
if (id == ReuseFlagID) {
mode=2;
continue;
}
if (id == NoReuseFlagID) {
mode=1;
continue;
}
if (id == DiagramFlagID || id == GoalFlagID || id == LeaderFlagID || id == TrickFlagID) {
Tcl_Obj *arg = objv[1];
if (objc>1) {
objc--; objv++;
} else {
return TCL_ERROR;
}
if (id == DiagramFlagID) {
if (diagram!=NULL) {
return TCL_ERROR;
}
diagram = arg;
} else if (id == GoalFlagID ) {
if (TCL_ERROR == Tcl_GetIntFromObj(interp,arg,&goal) || (goal!=-1 && (goal<1 && goal>13))) {
Tcl_AppendResult(interp,"Invalid tricks goal: ",Tcl_GetString(arg),NULL);
return TCL_ERROR;
}
} else if (id == LeaderFlagID) {
d.first = getHandNumFromObj(interp,arg);
if (d.first == NOSEAT) {
Tcl_AppendResult(interp,"invalid seat name passed to -leader: ",Tcl_GetString(arg),NULL);
return TCL_ERROR;
}
} else if (id == TrickFlagID) {
Tcl_Obj **cards;
int playNo,rank;
if (cardsPlayedToTrick!=0) {
Tcl_AppendResult(interp,"No additional tricks after an incomplete trick",NULL);
}
if (TCL_ERROR == Tcl_ListObjGetElements(interp,arg,&cardsPlayedToTrick,&cards) ||
cardsPlayedToTrick>4) {
Tcl_AppendResult(interp,"Invalid -trick argument: ",Tcl_GetString(arg),NULL);
return TCL_ERROR;
}
for (playNo=0; playNo<cardsPlayedToTrick; playNo++) {
int card=getCardNumFromObj(interp,cards[playNo]);
if (card==NOCARD) {
Tcl_AppendResult(interp,"Invalid card ", Tcl_GetString(cards[playNo]), " in -trick argument: ",Tcl_GetString(arg),NULL);
return TCL_ERROR;
}
rank = RANK(card);
suit = SUIT(card);
played[suit] |= 1<<(12-rank);
if (cardsPlayedToTrick<4) {
d.currentTrickRank[playNo]=14-rank;
d.currentTrickSuit[playNo]=suit;
}
}
if (cardsPlayedToTrick==4) {
totalTricksPlayed++;
cardsPlayedToTrick=0;
}
}
continue;
}
objv--; objc++;
break;
}
if (objc > 2) {
d.trump = getDenomNumFromObj(interp,objv[2]);
if (d.trump==-1) {
Tcl_AppendResult(interp,"Invalid denomination: ", Tcl_GetString(objv[2]), NULL);
return TCL_ERROR;
}
}
if (objc > 1) {
declarer = getHandNumFromObj(interp,objv[1]);
if (declarer == NOSEAT) {
Tcl_AppendResult(interp,"invalid declarer name passed: ",Tcl_GetString(objv[1]),NULL);
return TCL_ERROR;
}
}
if (d.first==-1) {
d.first = (declarer+1)%4;
}
if (diagram != NULL) {
int retval = parse_diagram(interp,diagram, &d,&handLength);
if (retval != TCL_OK) {
return TCL_ERROR;
}
} else {
finish_deal();
handLength = 13;
for (hand=0; hand<4; hand++) {
/* Double dummy solver has north hand zero */
int ddsHand = hand;
for (suit=0; suit<4; suit++) {
d.remaining.cards[ddsHand][suit] = globalDeal.hand[hand].suit[suit];
}
}
}
for (hand=0; hand<4; hand++) {
for (suit=0; suit<4; suit++) {
d.remaining.cards[hand][suit] &= (~played[suit]);
}
}
handLength = handLength - totalTricksPlayed;
if (goal>0) {
if ((d.first + cardsPlayedToTrick + declarer)&1) {
playerGoal = (handLength + 1)-goal; /* Goal passed to DDS */
} else {
playerGoal = goal; /* Goal passed to DDS */
}
}
if (CountCalls == 0) {
mode = 0;
} else if ( mode == -1 ) {
if (d.trump != LastTrump || diagram != NULL) {
mode = 1;
} else {
mode = 2;
}
}
/* fprintf(stderr,"mode = %d\n",mode); */
status = SolveBoard(d,playerGoal,1,mode,&futp);
LastTrump = d.trump;
CountCalls++;
if (status != 1) {
Tcl_SetObjResult(interp,Tcl_NewIntObj(status));
Tcl_AppendResult(interp,": dds failed due to error status from double dummy solver",NULL);
return TCL_ERROR;
}
#ifdef BENCH
totalNodes += futp.totalNodes;
printf("nodes=%d totalNodes=%d\n",futp.totalNodes,totalNodes);
#endif
if (futp.score[0]==-2) {
/* Defender takes all the tricks */
result = 0;
} else if (futp.score[0]==-1) {
if (goal>0) {
result = 1;
} else {
result = handLength;
}
} else {
if ((d.first + cardsPlayedToTrick + declarer)&1) {
result = handLength-futp.score[0];
} else {
result = futp.score[0];
}
if (goal>0) {
result = (result>=goal);
}
}
Tcl_SetObjResult(interp,Tcl_NewIntObj(result));
return TCL_OK;
}
/* This code directly borrows from Alex Martelli's Python interface to dds. */
static int tcl_double_dummy_solve(TCLOBJ_PARAMS) TCLOBJ_DECL
{
int goal=-1;
int leaderGoal = -1;
int hand, suit,result;
int mode;
struct deal d;
int status;
struct futureTricks futp;
memset(&(d.currentTrickSuit), 0, 3*sizeof(int));
memset(&(d.currentTrickRank), 0, 3*sizeof(int));
d.trump=4; /* notrump */
d.first=WEST; /* west */
finish_deal();
if (objc > 2) {
d.trump = getDenomNumFromObj(interp,objv[2]);
if (d.trump==-1) {
Tcl_AppendResult(interp,"Invalid denomination: ", Tcl_GetString(objv[2]), NULL);
return TCL_ERROR;
}
}
if (objc > 1) {
int declarer = getHandNumFromObj(interp,objv[1]);
if (declarer == NOSEAT) {
Tcl_AppendResult(interp,"invalid seat name passed: ",Tcl_GetString(objv[1]),NULL);
return TCL_ERROR;
}
d.first = (declarer+1)%4;
}
if (objc > 3) {
if (TCL_ERROR == Tcl_GetIntFromObj(interp,objv[3],&goal) || (goal!=-1 && (goal<1 && goal>13))) {
Tcl_AppendResult(interp,"Invalid tricks goal: ",Tcl_GetString(objv[3]),NULL);
return TCL_ERROR;
}
}
if (goal>0) {
leaderGoal = 14-goal; /* Goal passed to DDS */
}
for (hand=0; hand<4; hand++) {
/* Double dummy solver has north hand zero */
int ddsHand = hand;
for (suit=0; suit<4; suit++) {
d.remaining.cards[ddsHand][suit] = globalDeal.hand[hand].suit[suit];
}
}
if (d.trump != LastTrump) {
if (CountCalls == 0) {
mode = 0;
} else {
mode = 1;
}
} else {
mode = 2;
}
/* fprintf(stderr,"mode = %d\n",mode); */
status = SolveBoard(d,leaderGoal,1,mode,&futp);
LastTrump = d.trump;
CountCalls++;
if (status != 1) {
Tcl_SetObjResult(interp,Tcl_NewIntObj(status));
Tcl_AppendResult(interp,"dds failed due to error status from double dummy solver",NULL);
return TCL_ERROR;
}
#ifdef BENCH
totalNodes += futp.totalNodes;
printf("nodes=%d totalNodes=%d\n",futp.totalNodes,totalNodes);
#endif
if (futp.score[0]==-2) {
/* Defender takes all the tricks */
result = 0;
} else if (futp.score[0]==-1) {
if (goal>0) {
result = 1;
} else {
result = 13;
}
} else {
result = 13-futp.score[0];
if (goal>0) {
result = (result>=goal);
}
}
Tcl_SetObjResult(interp,Tcl_NewIntObj(result));
return TCL_OK;
}
int DDS_Init(interp)
Tcl_Interp *interp;
{
DDSInitStart();
Tcl_CreateObjCommand(interp,"tricks",tcl_double_dummy_solve,NULL,NULL);
Tcl_CreateObjCommand(interp,"dds",tcl_dds,NULL,NULL);
Tcl_CreateObjCommand(interp,"dds_reset",tcl_double_dummy_reset,NULL,NULL);
return TCL_OK;
}
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