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bj.c
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bj.c
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/* bj.c */
/* blackjack code for the casino */
#include "imoria.h"
#include "casino.h"
#include "bj.h"
boolean deal_bust;
boolean card5_save,card5;
drawcard dummy,dummyd;
hand dealerh,playerh;
integer vald,valp,save;
boolean bust_flag,bust_save;
boolean split_flag,already_split;
integer py_index;
integer hand_start;
boolean win_draw;
boolean blackjack,blackjack_save;
boolean pl_stay_flag;
boolean dl_ace_flag;
boolean double_flag,double_flag_save;
void bj__display_bj()
{
clear_rc(21,1);
c__display_gold();
prt("You may:",22,2);
prt(" p) place a bet. v) view the rules",23,2);
prt("^R) Redraw the screen. Esc) Exit from building.",24,2);
};
void bj__display_bj_game()
{
clear_rc(21,1);
prt("Your hand: ",5,1);
prt("Dealer's hand: ",12,1);
c__display_gold();
prt("You may: ",21,1);
prt(" s) stand. h) hit.",22,2);
prt(" d) double down. /) split.",23,2);
prt("^R) Redraw the screen. v) view the rules. ",24,2);}
;
void bj__opening_screen()
{
/* 1 2 3 4 5 6 */
/* 890123456789012345678901234567890123456789012345678901234567890 */
prt( "____", 2,45);
prt( "|A | ____", 3,44);
prt( "XXX | ||3 | ____", 4,19);
prt( "X X X | A|| ||7 |", 5,19);
prt( "XXX X XX ---- | 3|| |", 6,19);
prt( "X X X X X XXXX ---- | 7|", 7,19);
prt( "XXX X XXXX X X X ----", 8,19);
prt( "XXXX X X X X X X", 9,25);
prt( "X X X XX X XX", 10,30);
prt( "____ XXXX X X X X X XXXX", 11,13);
prt( "|A | ____ X X X X XXXX X X X",12,12);
prt( "| ||J | XXXX X X X X X",13,12);
prt( "| A|| | X X X XX", 14,12);
prt( "---- | J| XXXX X X",15,13);
prt( "---- X X",16,19);
};
void bj__display_rules()
{
char command;
boolean exit;
clear_screen();
prt("MORIA BLACKJACK RULES ",2,21);
prt("The object, of course, is to get as close as you can to 21 without",5,2);
prt("going over. Aces can count as either one or eleven, while all",6,2);
prt("face cards count as ten. The other cards are worth their face",7,2);
prt("value.",8,2);
prt("Once you have played your hand, the dealer will draw cards until",10,2);
prt("he has at least 17. However, if his total is 17 and he has an",11,2);
prt("ace, he will hit. ",12,2);
prt("Splitting and Doubling:",14,25);
prt("After drawing your first two cards, you have the option of",16,2);
prt("doubling your bet and taking one, and only one more card. ",17,2);
prt("If your first two cards are the same, you may split, in which case",19,2);
prt("you will then play out both hands, each with the same bet as the",20,2);
prt("original hand. Splitting is only allowed once per hand.",21,2);
prt("[hit any key to continue]",24,23);
exit = get_com("",&command);
clear_rc(2,1);
prt("A natural pays 3/2 times your bet, unless the dealer also has",3,2);
prt("a blackjack, in which case you push. The dealer will not offer ",4,2);
prt("you insurance.",5,2);
prt("If you draw five cards, without going over 21, you automatically",7,2);
prt("win, regardless of the dealer's hand.",8,2);
prt("[hit any key to continue]",24,23);
exit = get_com("",&command);
};
void bj__initialize_hand()
{
integer i;
for (i = 1; i <= 10; i++) {
dealerh[i] = 0;
strcpy(dummy[i]," ");
playerh[i] = 0;
strcpy(dummyd[i]," ");
}
bust_flag = false;
hand_start = 1;
pl_stay_flag = false;
card5 = false;
blackjack = false;
py_index = 2;
win_draw = false;
already_split = false;
split_flag = false;
double_flag = false;
};
void bj__evaluate_pl_hand()
{
integer i;
boolean py_ace_flag;
bust_flag = false;
py_ace_flag = false;
valp = 0;
for (i = hand_start; i <= hand_start + 4; i++) {
if (playerh[i] == 14) { /* an ace is worth 1 or 11 */
valp += 1;
py_ace_flag = true;
} else if (playerh[i] > 10) {
valp += 10;
} else {
valp += playerh[i];
}
}
if ((valp < 12) && (py_ace_flag)) {
valp += 10; /* turn an ace into an 11 */
}
if ((valp > 21)) {
bust_flag = true;
}
};
void bj__evaluate_dl_hand(integer index)
{
integer i;
deal_bust = false;
dl_ace_flag = false;
vald = 0;
for (i = 1; i <= index; i++) {
if (dealerh[i] == 14) {
vald += 1;
} else if (dealerh[i] > 10) {
vald += 10;
} else {
vald += dealerh[i];
}
if ((dealerh[i] == 14) && (vald < 12)) {
dl_ace_flag = true;
vald += 10;
}
if ((vald > 21) && dl_ace_flag) {
vald -= 10;
dl_ace_flag = false;
}
}
if (vald > 21) {
deal_bust = true;
}
};
void bj__hand_save()
{
save = valp;
bj__evaluate_pl_hand();
pl_stay_flag = false;
card5_save = card5;
card5 = false;
if (double_flag) {
bet /= 2;
}
double_flag_save = double_flag;
double_flag = false;
blackjack_save = blackjack;
blackjack = false;
hand_start = 6;
already_split = true;
py_index = 7;
bust_save = bust_flag;
bust_flag = false;
};
void bj__check_exit(boolean *exit_flag)
{
if (double_flag) {
*exit_flag = true;
}
if ((valp == 21) && ((py_index == 2) || (py_index == 7))) {
*exit_flag = true;
blackjack = true;
}
if (pl_stay_flag) {
*exit_flag = true;
}
if ((py_index == 5) || (py_index == 10)) {
*exit_flag = true;
card5 = true;
}
if (bust_flag) {
*exit_flag = true;
}
if (split_flag && (*exit_flag) && !already_split) {
bj__hand_save();
msg_print("Now play the hand on the right.");
*exit_flag = false;
}
};
void bj__get_first_dealc()
{
vtype draw;
strcpy(draw, " ____");
put_buffer(draw,13,8);
strcpy(draw, "|\\ /|");
put_buffer(draw,14,8);
strcpy(draw, "|-**-|");
put_buffer(draw,15,8);
strcpy(draw, "|/ \\|");
put_buffer(draw,16,8);
strcpy(draw, " ----");
put_buffer(draw,17,8);
};
void bj__card_draw (integer index, integer r, vtype card)
{
integer c;
vtype draw;
if (strcmp(card, " ")) {
if ((r == 13) && (index == 1) && (!win_draw)) {
bj__get_first_dealc();
} else {
c = 1 + 7*index;
sprintf(draw, " ____");
put_buffer(draw,r,c);
sprintf(draw, "| |");
put_buffer(draw,r+1,c);
sprintf(draw, "| |");
put_buffer(draw,r+2,c);
sprintf(draw,"| |");
put_buffer(draw,r+3,c);
sprintf(draw, " ----");
put_buffer(draw,r+4,c);
sprintf(draw,"%s",card);
put_buffer(draw,r+1,c+1);
if (!strcmp(card,"10")) {
put_buffer(draw,r+3,c+3); /* right justify the ten */
} else {
put_buffer(draw,r+3,c+4);
}
}
}
};
void bj__re_draw()
{
integer i;
clear_screen();
prt("Your hand:",5,1);
prt("Dealer's hand: ",12,1);
for (i = 1; i <= 10; i++) {
bj__card_draw(i,6,dummy[i]);
bj__card_draw(i,13,dummyd[i]);
}
if (bet>0) {
bj__display_bj_game();
} else {
bj__display_bj();
}
};
void bj__get_dealer_card(integer i)
{
dealerh[i] = randint(13)+1;
switch (dealerh[i]) {
case 2 : strcpy(dummyd[i], "2"); break;
case 3 : strcpy(dummyd[i], "3"); break;
case 4 : strcpy(dummyd[i], "4"); break;
case 5 : strcpy(dummyd[i], "5"); break;
case 6 : strcpy(dummyd[i], "6"); break;
case 7 : strcpy(dummyd[i], "7"); break;
case 8 : strcpy(dummyd[i], "8"); break;
case 9 : strcpy(dummyd[i], "9"); break;
case 10 : strcpy(dummyd[i],"10"); break;
case 11 : strcpy(dummyd[i], "J"); break;
case 12 : strcpy(dummyd[i], "Q"); break;
case 13 : strcpy(dummyd[i], "K"); break;
case 14 : strcpy(dummyd[i], "A"); break;
}
bj__card_draw(i,13,dummyd[i]);
bj__evaluate_dl_hand(i);
};
void bj__get_player_card(integer i)
{
playerh[i] = randint(13)+1;
switch (playerh[i]) {
case 2 : strcpy(dummy[i], "2"); break;
case 3 : strcpy(dummy[i], "3"); break;
case 4 : strcpy(dummy[i], "4"); break;
case 5 : strcpy(dummy[i], "5"); break;
case 6 : strcpy(dummy[i], "6"); break;
case 7 : strcpy(dummy[i], "7"); break;
case 8 : strcpy(dummy[i], "8"); break;
case 9 : strcpy(dummy[i], "9"); break;
case 10 : strcpy(dummy[i],"10"); break;
case 11 : strcpy(dummy[i], "J"); break;
case 12 : strcpy(dummy[i], "Q"); break;
case 13 : strcpy(dummy[i], "K"); break;
case 14 : strcpy(dummy[i], "A"); break;
}
bj__card_draw(i,6,dummy[i]);
bj__evaluate_pl_hand();
};
void bj__get_dealer_hand()
{
bj__get_dealer_card(1);
bj__get_dealer_card(2);
};
void bj__get_player_hand()
{
bj__get_player_card(1);
py_index = 2;
bj__get_player_card(2);
}
void bj__get_winning()
{
if (deal_bust) {
gld += 2*bet;
switch (randint(4)) {
case 4:
msg_print("The dealer busts."); break;
default:
msg_print("The dealer busts, you win."); break;
}
} else {
if (vald > valp) {
switch (randint(5)) {
case 4 : msg_print("Now you know why gambling is illegal."); break;
case 5 : msg_print("If you had just taken one more card..."); break;
default : msg_print("You lose."); break;
}
} else if (vald == valp) {
msg_print("You push");
gld += bet;
} else {
switch (randint(4)) {
case 4 : msg_print("You're not card-counting are you?"); break;
default : msg_print("You win."); break;
}
gld += bet*2;
}
}
};
void bj__play_dealer_hand()
{
integer i;
boolean stay_flag;
stay_flag = false;
win_draw = true;
bj__card_draw(1,13,dummyd[1]);
i = 3;
if (((vald == 17) && (dl_ace_flag)) || (vald < 17)) {
do {
put_qio();
sleep(1);
bj__get_dealer_card(i);
i++;
if (vald > 16) {
stay_flag = true;
}
if ((vald == 17) && (dl_ace_flag)) {
stay_flag = false;
}
if (i > 9) {
stay_flag = true;
}
} while (!stay_flag);
}
bj__get_winning();
};
void bj__double()
{
bet *= 2;
py_index++;
bj__get_player_card(py_index);
double_flag = true;
};
void bj__split()
{
playerh[6] = playerh[1];
strcpy(dummy[6], dummy[1]);
bj__card_draw(6,6,dummy[6]);
bj__get_player_card(2);
bj__get_player_card(7);
split_flag = true;
};
void bj__get_game_command()
{
char command;
integer com_val = 0;
if (get_com("", &command)) {
com_val = command;
switch (com_val) {
case 104 : /* hit */
py_index++;
bj__get_player_card(py_index);
break;
case 115 :
pl_stay_flag = true; /* stay */
break;
case 18 :
bj__re_draw();
break;
case 118 :
bj__display_rules();
bj__re_draw();
break;
case 100 : /* double */
if (gld >= bet) {
if ((py_index == 2) || (py_index == 7)) {
gld -= bet;
c__display_gold();
bj__double();
}
}
break;
case 47 : /* split */
if ((!split_flag) && (gld >= bet) &&
(py_index == 2) && (playerh[1] == playerh[2])) {
gld -= bet;
c__display_gold();
bj__split();
msg_print("First play your hand on the left.");
}
break;
default:
prt("Invalid Command.",1,1);
break;
}
}
};
void bj__play_hand()
{
integer num,i;
num = 1;
if (split_flag) {
msg_print("As for your second hand...");
num = 2;
}
for (i = 1; i <= num; i++) {
if (i == 2) {
msg_print ("As for your first hand...");
}
if ((i == 2) && double_flag) {
bet /= 2;
}
if ((i == 2) && double_flag_save) {
bet *= 2;
}
if (!(card5 || bust_flag || blackjack)) {
bj__play_dealer_hand();
} else {
if (card5 && !bust_flag) {
gld += 2*bet;
msg_print("Five cards, you win.");
}
if (bust_flag) {
switch (randint(3)) {
case 1: case 3 : msg_print("You bust."); break;
case 2: msg_print("You should have stood."); break;
}
}
if (blackjack) {
attron(A_REVERSE);
msg_print("Blackjack!");
attroff(A_REVERSE);
win_draw = true;
bj__card_draw(1,13,dummyd[1]);
if (vald == 21) {
msg_print("The dealer also has 21 ... You push.");
gld += bet;
} else {
gld += 2*bet + bet div 2;
}
}
}
valp = save;
bust_flag = bust_save;
blackjack = blackjack_save;
card5 = card5_save;
c__display_gold();
}
clear_rc(21,1);
bet = 0;
};
void bj__play_bj()
{
boolean exit_flag = false;
clear_screen();
bj__display_bj_game();
bj__initialize_hand();
bj__get_dealer_hand();
bj__get_player_hand();
do {
if (!((valp==21) && ((py_index==2)||(py_index==7)))) {
bj__get_game_command();
}
bj__check_exit(&exit_flag);
} while (!exit_flag);
bj__play_hand();
};
void bj__get_bj_bet()
{
vtype comment;
integer num;
boolean exit_flag = false;
strcpy(comment, "How much would you like to bet(50 to 1000 gp)? ");
do {
if (c__get_response(comment, &num)) {
bet = num;
if ((bet>49) && (bet<1001)) {
exit_flag = true;
} else {
prt("Improper value.",1,1);
}
} else {
exit_flag = true;
bet = 0;
}
} while (!exit_flag);
if (bet > gld) {
prt("You have not the gold!",1,1);
bet = 0;
}
gld -= bet;
c__display_gold();
};
void bj__blackjack_commands()
{
char command;
boolean exit_flag = false;
bet = 0;
win_draw = false;
do {
if (get_com("", &command)) {
switch (command) {
case 112 :
bj__get_bj_bet();
if (bet > 0) {
bj__play_bj();
bj__display_bj();
}
break;
case 118 :
bj__display_rules();
bj__re_draw();
break;
case 18 :
clear_screen();
bj__re_draw();
break;
default :
prt("Invalid Command.",1,1);
break;
}
} else {
exit_flag = true;
}
c__check_casino_kickout();
} while (!exit_flag);
};
void bj__game_blackjack()
{
clear_screen();
bj__display_bj();
bj__initialize_hand();
bj__opening_screen();
prt("The dealer awaits your bet.",1,1);
bj__blackjack_commands();
};
/* END FILE bj.c */