//Matt Hammond
//Final Project, 12/13/95 (brakes added January 1999)
#include <stdio.h>
#include <conio.h>
#include <iostream.h>
#include <string.h>
#include <time.h>
#include <stdlib.h>

int SCOREARRAY[21], SCORECELL=0, TOTAL=0, PREVIOUS=0, NUMBERLINE=1,
CARDRECD=0, OLDARRAY[21], R=0, C=0; char EVAL=0; char brake=0;
char answer=0;

struct KARD     {char NAME[6];
            char SUIT[10];
            int VALUE;
            int DEALT;
        };

KARD CARD, DECK[52], *P;


void display_array()
{
while(EVAL!=27)
{
    cout << endl <<endl<< "I'm learning! This chart shows how I'm doing." << endl
    << "If my hand is at a number with a zero above it, I'd better not take a hit." <<endl<<endl;
    for (SCORECELL=0;SCORECELL<21;SCORECELL++)
    printf("%i  ", SCOREARRAY[SCORECELL]);
    putch(10);putch(13);
    NUMBERLINE=0;
    for (SCORECELL=0;SCORECELL<9;SCORECELL++)
    {printf("%i  ", NUMBERLINE++);}
    for (SCORECELL=9;SCORECELL<21;SCORECELL++)
    {printf("%i ", NUMBERLINE++);}
    break;
}
}

void fill_array()
{
for (SCORECELL=0;SCORECELL<21;SCORECELL++)
SCOREARRAY[SCORECELL]=1;
for (SCORECELL=0;SCORECELL<21;SCORECELL++)
OLDARRAY[SCORECELL]=1;

}

void shuffle()
{
int RTR[13]={0,0,0,0,0,0,0,0,0,0,0,0,0};
for(C=0;C<52;C++)DECK[C].DEALT=RTR[C%13];
}

void build_deck()
{
char *PTR[4]={"hearts. ","clubs. ","spades. ","diamonds."};
for(C=0;C<52;C++)strcpy(DECK[C].SUIT,PTR[C % 4]);
char *QTR[13]={"Ace","Two","Three","Four","Five",
"Six","Seven","Eight","Nine","Ten","Jack","Queen","King"};
for(C=0;C<52;C++)strcpy(DECK[C].NAME,QTR[C % 13]);
int STR[13]={1,2,3,4,5,6,7,8,9,10,10,10,10};
for(C=0;C<52;C++) DECK[C].VALUE=STR[C%13];
for(C=0;C<52;C++) DECK[C].DEALT=0;
shuffle();
}

void consequence ();

void deal ()
{
char V=0;
char R1=0;char Z=0;
R=random(52);
R1=R;
if (DECK[R1].DEALT==0)
{
    strcpy (CARD.NAME,DECK[R1].NAME);
    strcpy (CARD.SUIT,DECK[R1].SUIT);
    CARD.VALUE=DECK[R1].VALUE;
    DECK[R1].DEALT=1;
    putch (10);putch(13);
    for(Z=0;(Z<5&&CARD.NAME[Z]>32);Z++)
    printf("%c",CARD.NAME[Z]);
    cout << " of ";
    for(V=0;V<9;V++)printf("%c", CARD.SUIT[V]);

    }

else deal();//Go back to the stack if you pull a duplicate.
}

char bhitme()
{
cout << endl << endl << "Hit me (press any key to hit, 'Esc' to exit)."
<<endl;
brake=getch();
deal();
CARDRECD=CARD.VALUE;
PREVIOUS=TOTAL;
TOTAL=TOTAL+CARDRECD;
return(brake);
}

char geteval ()
{
if (brake!=27)

{
    cout << endl << endl << "My score was " << TOTAL << "." << endl << endl;
    cout << "How did I do?" << endl << "Enter '+' for a good score, '-' for bust." << endl;
    EVAL=getche();
    return (EVAL);
}
}

void consequence ()
{
shuffle();
EVAL=geteval();
switch (EVAL) {
        case 43: SCOREARRAY[PREVIOUS]++;
        break;
        case 45: {SCOREARRAY[PREVIOUS]--;}
        break;
        }
if (SCOREARRAY[PREVIOUS]<0)SCOREARRAY[PREVIOUS=0];
if (SCOREARRAY[0]<0)SCOREARRAY[0]=0;
//Prevents negative numbers.

for(SCORECELL=0;SCORECELL<21;SCORECELL++)
OLDARRAY[SCORECELL]=SCOREARRAY[SCORECELL];
//Copies array so we know what we did.

}

char ahitme()
{
cout << endl << endl << "Hit me (press any key to hit, 'Esc' to exit)."
<<endl;
brake=getch();
deal();
CARDRECD=CARD.VALUE;
TOTAL=CARDRECD;
return (brake);
}

char question()
{
if ((PREVIOUS>=0)&&(TOTAL<21)&&(OLDARRAY[TOTAL]>0))return 'y';
if ((TOTAL<21)&&(brake!=27)&&(OLDARRAY[TOTAL]>0))return 'y';
if ((TOTAL>=21)||(OLDARRAY[TOTAL]<1))
{consequence();TOTAL=0;display_array();return 'y';}
}

main ()
{
clrscr();
randomize();
fill_array();
build_deck();
ahitme();
if (brake==27) return 0;
while (EVAL!=27)
{
    bhitme();
    question();
    if (answer=='y')bhitme();
    if (brake==27) return 0;
} return 0;
}