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/*****************************************************************************
* *
* B l u e M o o n *
* ================= *
* V2.2 *
* A patience game by T.A.Lister *
* Integral screen support by Eric S. Raymond *
* *
*****************************************************************************/
/*
* Compile this with the command `cc -O blue.c -lcurses -o blue'. For best
* results, use the ncurses(3) library. On non-Intel machines, SVr4 curses is
* just as good.
*
* $Id: blue.c,v 1.24 2002/06/29 23:32:18 tom Exp $
*/
#include <time.h>
#include <test.priv.h>
#define NOCARD (-1)
#define ACE 0
#define KING 12
#define SUIT_LENGTH 13
#define HEARTS 0
#define SPADES 1
#define DIAMONDS 2
#define CLUBS 3
#define NSUITS 4
#define GRID_WIDTH 14 /* 13+1 */
#define GRID_LENGTH 56 /* 4*(13+1) */
#define PACK_SIZE 52
#define BASEROW 1
#define PROMPTROW 11
#define RED_ON_WHITE 1
#define BLACK_ON_WHITE 2
#define BLUE_ON_WHITE 3
static RETSIGTYPE die(int onsig) GCC_NORETURN;
static int deck_size = PACK_SIZE; /* initial deck */
static int deck[PACK_SIZE];
static int grid[GRID_LENGTH]; /* card layout grid */
static int freeptr[4]; /* free card space pointers */
static int deal_number = 0;
static chtype ranks[SUIT_LENGTH][2] =
{
{' ', 'A'},
{' ', '2'},
{' ', '3'},
{' ', '4'},
{' ', '5'},
{' ', '6'},
{' ', '7'},
{' ', '8'},
{' ', '9'},
{'1', '0'},
{' ', 'J'},
{' ', 'Q'},
{' ', 'K'}
};
/* Please note, that this is a bad example.
Color values should not be or'ed in. This
only works, because the characters used here
are plain and have no color attribute themselves. */
#ifdef COLOR_PAIR
#define OR_COLORS(value,pair) ((value) | COLOR_PAIR(pair))
#else
#define OR_COLORS(value,pair) (value)
#endif
#define PC_COLORS(value,pair) (OR_COLORS(value,pair) | A_ALTCHARSET)
static chtype letters[4] =
{
OR_COLORS('h', RED_ON_WHITE), /* hearts */
OR_COLORS('s', BLACK_ON_WHITE), /* spades */
OR_COLORS('d', RED_ON_WHITE), /* diamonds */
OR_COLORS('c', BLACK_ON_WHITE), /* clubs */
};
#if defined(__i386__)
static chtype glyphs[] =
{
PC_COLORS('\003', RED_ON_WHITE), /* hearts */
PC_COLORS('\006', BLACK_ON_WHITE), /* spades */
PC_COLORS('\004', RED_ON_WHITE), /* diamonds */
PC_COLORS('\005', BLACK_ON_WHITE), /* clubs */
};
#endif /* __i386__ */
static chtype *suits = letters; /* this may change to glyphs below */
static RETSIGTYPE
die(int onsig)
{
(void) signal(onsig, SIG_IGN);
endwin();
ExitProgram(EXIT_SUCCESS);
}
static void
init_vars(void)
{
int i;
deck_size = PACK_SIZE;
for (i = 0; i < PACK_SIZE; i++)
deck[i] = i;
for (i = 0; i < 4; i++)
freeptr[i] = i * GRID_WIDTH;
}
static void
shuffle(int size)
{
int i, j, numswaps, swapnum, temp;
numswaps = size * 10; /* an arbitrary figure */
for (swapnum = 0; swapnum < numswaps; swapnum++) {
i = rand() % size;
j = rand() % size;
temp = deck[i];
deck[i] = deck[j];
deck[j] = temp;
}
}
static void
deal_cards(void)
{
int ptr, card = 0, value, csuit, crank, suit, aces[4];
for (suit = HEARTS; suit <= CLUBS; suit++) {
ptr = freeptr[suit];
grid[ptr++] = NOCARD; /* 1st card space is blank */
while ((ptr % GRID_WIDTH) != 0) {
value = deck[card++];
crank = value % SUIT_LENGTH;
csuit = value / SUIT_LENGTH;
if (crank == ACE)
aces[csuit] = ptr;
grid[ptr++] = value;
}
}
if (deal_number == 1) /* shift the aces down to the 1st column */
for (suit = HEARTS; suit <= CLUBS; suit++) {
grid[suit * GRID_WIDTH] = suit * SUIT_LENGTH;
grid[aces[suit]] = NOCARD;
freeptr[suit] = aces[suit];
}
}
static void
printcard(int value)
{
(void) addch(' ');
if (value == NOCARD)
(void) addstr(" ");
else {
addch(ranks[value % SUIT_LENGTH][0] | COLOR_PAIR(BLUE_ON_WHITE));
addch(ranks[value % SUIT_LENGTH][1] | COLOR_PAIR(BLUE_ON_WHITE));
addch(suits[value / SUIT_LENGTH]);
}
(void) addch(' ');
}
static void
display_cards(int deal)
{
int row, card;
clear();
(void) printw(
"Blue Moon 2.1 - by Tim Lister & Eric Raymond - Deal %d.\n",
deal);
for (row = HEARTS; row <= CLUBS; row++) {
move(BASEROW + row + row + 2, 1);
for (card = 0; card < GRID_WIDTH; card++)
printcard(grid[row * GRID_WIDTH + card]);
}
move(PROMPTROW + 2, 0);
refresh();
#define P(x) (void)printw("%s\n", x)
P(" This 52-card solitaire starts with the entire deck shuffled and dealt");
P("out in four rows. The aces are then moved to the left end of the layout,");
P("making 4 initial free spaces. You may move to a space only the card that");
P("matches the left neighbor in suit, and is one greater in rank. Kings are");
P("high, so no cards may be placed to their right (they create dead spaces).");
P(" When no moves can be made, cards still out of sequence are reshuffled");
P("and dealt face up after the ends of the partial sequences, leaving a card");
P("space after each sequence, so that each row looks like a partial sequence");
P("followed by a space, followed by enough cards to make a row of 14. ");
P(" A moment's reflection will show that this game cannot take more than 13");
P("deals. A good score is 1-3 deals, 4-7 is average, 8 or more is poor. ");
#undef P
refresh();
}
static int
find(int card)
{
int i;
if ((card < 0) || (card >= PACK_SIZE))
return (NOCARD);
for (i = 0; i < GRID_LENGTH; i++)
if (grid[i] == card)
return i;
return (NOCARD);
}
static void
movecard(int src, int dst)
{
grid[dst] = grid[src];
grid[src] = NOCARD;
move(BASEROW + (dst / GRID_WIDTH) * 2 + 2, (dst % GRID_WIDTH) * 5 + 1);
printcard(grid[dst]);
move(BASEROW + (src / GRID_WIDTH) * 2 + 2, (src % GRID_WIDTH) * 5 + 1);
printcard(grid[src]);
refresh();
}
static void
play_game(void)
{
int dead = 0, i, j;
char c;
int selection[4], card;
while (dead < 4) {
dead = 0;
for (i = 0; i < 4; i++) {
card = grid[freeptr[i] - 1];
if (((card % SUIT_LENGTH) == KING)
||
(card == NOCARD))
selection[i] = NOCARD;
else
selection[i] = find(card + 1);
if (selection[i] == NOCARD)
dead++;
};
if (dead < 4) {
char live[NSUITS + 1], *lp = live;
for (i = 0; i < 4; i++) {
if (selection[i] != NOCARD) {
move(BASEROW + (selection[i] / GRID_WIDTH) * 2 + 3,
(selection[i] % GRID_WIDTH) * 5);
(void) printw(" %c ", *lp++ = 'a' + i);
}
};
*lp = '\0';
if (strlen(live) == 1) {
move(PROMPTROW, 0);
(void) printw(
"Making forced moves... ");
refresh();
(void) sleep(1);
c = live[0];
} else {
char buf[BUFSIZ];
(void) sprintf(buf,
"Type [%s] to move, r to redraw, q or INTR to quit: ",
live);
do {
move(PROMPTROW, 0);
(void) addstr(buf);
move(PROMPTROW, (int) strlen(buf));
clrtoeol();
(void) addch(' ');
} while
(((c = getch()) < 'a' || c > 'd') && (c != 'r') && (c != 'q'));
}
for (j = 0; j < 4; j++)
if (selection[j] != NOCARD) {
move(BASEROW + (selection[j] / GRID_WIDTH) * 2 + 3,
(selection[j] % GRID_WIDTH) * 5);
(void) printw(" ");
}
if (c == 'r')
display_cards(deal_number);
else if (c == 'q')
die(SIGINT);
else {
i = c - 'a';
if (selection[i] == NOCARD)
beep();
else {
movecard(selection[i], freeptr[i]);
freeptr[i] = selection[i];
}
}
}
}
move(PROMPTROW, 0);
standout();
(void) printw("Finished deal %d - type any character to continue...", deal_number);
standend();
(void) getch();
}
static int
collect_discards(void)
{
int row, col, cardno = 0, finish, gridno;
for (row = HEARTS; row <= CLUBS; row++) {
finish = 0;
for (col = 1; col < GRID_WIDTH; col++) {
gridno = row * GRID_WIDTH + col;
if ((grid[gridno] != (grid[gridno - 1] + 1)) && (finish == 0)) {
finish = 1;
freeptr[row] = gridno;
};
if ((finish != 0) && (grid[gridno] != NOCARD))
deck[cardno++] = grid[gridno];
}
}
return cardno;
}
static void
game_finished(int deal)
{
clear();
(void) printw("You finished the game in %d deals. This is ", deal);
standout();
if (deal < 2)
(void) addstr("excellent");
else if (deal < 4)
(void) addstr("good");
else if (deal < 8)
(void) addstr("average");
else
(void) addstr("poor");
standend();
(void) addstr(". ");
refresh();
}
int
main(int argc, char *argv[])
{
(void) signal(SIGINT, die);
setlocale(LC_ALL, "");
initscr();
/*
* We use COLOR_GREEN because COLOR_BLACK is wired to the wrong thing.
*/
start_color();
init_pair(RED_ON_WHITE, COLOR_RED, COLOR_WHITE);
init_pair(BLUE_ON_WHITE, COLOR_BLUE, COLOR_WHITE);
init_pair(BLACK_ON_WHITE, COLOR_BLACK, COLOR_WHITE);
#ifndef COLOR_PAIR
letters[0] = OR_COLORS('h', RED_ON_WHITE); /* hearts */
letters[1] = OR_COLORS('s', BLACK_ON_WHITE); /* spades */
letters[2] = OR_COLORS('d', RED_ON_WHITE); /* diamonds */
letters[3] = OR_COLORS('c', BLACK_ON_WHITE); /* clubs */
#if defined(__i386__) && defined(A_ALTCHARSET)
glyphs[0] = PC_COLORS('\003', RED_ON_WHITE); /* hearts */
glyphs[1] = PC_COLORS('\006', BLACK_ON_WHITE); /* spades */
glyphs[2] = PC_COLORS('\004', RED_ON_WHITE); /* diamonds */
glyphs[3] = PC_COLORS('\005', BLACK_ON_WHITE); /* clubs */
#endif
#endif
#if defined(__i386__) && defined(A_ALTCHARSET)
if (tigetstr("smpch"))
suits = glyphs;
#endif /* __i386__ && A_ALTCHARSET */
cbreak();
if (argc == 2)
srand((unsigned) atoi(argv[1]));
else
srand((unsigned) time((time_t *) 0));
init_vars();
do {
deal_number++;
shuffle(deck_size);
deal_cards();
display_cards(deal_number);
play_game();
}
while
((deck_size = collect_discards()) != 0);
game_finished(deal_number);
die(SIGINT);
/*NOTREACHED */
}
/* blue.c ends here */
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