430 lines
10 KiB
C
430 lines
10 KiB
C
/*****************************************************************************
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* *
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* B l u e M o o n *
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* ================= *
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* V2.2 *
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* A patience game by T.A.Lister *
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* Integral screen support by Eric S. Raymond *
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* *
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*****************************************************************************/
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/*
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* Compile this with the command `cc -O blue.c -lcurses -o blue'. For best
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* results, use the ncurses(3) library. On non-Intel machines, SVr4 curses is
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* just as good.
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*
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* $Id: blue.c,v 1.23 2002/04/06 23:05:16 tom Exp $
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*/
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#include <time.h>
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#include <test.priv.h>
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#define NOCARD (-1)
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#define ACE 0
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#define KING 12
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#define SUIT_LENGTH 13
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#define HEARTS 0
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#define SPADES 1
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#define DIAMONDS 2
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#define CLUBS 3
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#define NSUITS 4
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#define GRID_WIDTH 14 /* 13+1 */
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#define GRID_LENGTH 56 /* 4*(13+1) */
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#define PACK_SIZE 52
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#define BASEROW 1
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#define PROMPTROW 11
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#define RED_ON_WHITE 1
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#define BLACK_ON_WHITE 2
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#define BLUE_ON_WHITE 3
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static RETSIGTYPE die(int onsig) GCC_NORETURN;
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static int deck_size = PACK_SIZE; /* initial deck */
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static int deck[PACK_SIZE];
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static int grid[GRID_LENGTH]; /* card layout grid */
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static int freeptr[4]; /* free card space pointers */
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static int deal_number = 0;
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static chtype ranks[SUIT_LENGTH][2] =
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{
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{' ', 'A'},
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{' ', '2'},
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{' ', '3'},
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{' ', '4'},
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{' ', '5'},
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{' ', '6'},
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{' ', '7'},
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{' ', '8'},
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{' ', '9'},
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{'1', '0'},
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{' ', 'J'},
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{' ', 'Q'},
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{' ', 'K'}
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};
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/* Please note, that this is a bad example.
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Color values should not be or'ed in. This
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only works, because the characters used here
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are plain and have no color attribute themselves. */
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#ifdef COLOR_PAIR
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#define OR_COLORS(value,pair) ((value) | COLOR_PAIR(pair))
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#else
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#define OR_COLORS(value,pair) (value)
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#endif
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#define PC_COLORS(value,pair) (OR_COLORS(value,pair) | A_ALTCHARSET)
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static chtype letters[4] =
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{
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OR_COLORS('h', RED_ON_WHITE), /* hearts */
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OR_COLORS('s', BLACK_ON_WHITE), /* spades */
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OR_COLORS('d', RED_ON_WHITE), /* diamonds */
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OR_COLORS('c', BLACK_ON_WHITE), /* clubs */
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};
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#if defined(__i386__)
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static chtype glyphs[] =
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{
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PC_COLORS('\003', RED_ON_WHITE), /* hearts */
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PC_COLORS('\006', BLACK_ON_WHITE), /* spades */
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PC_COLORS('\004', RED_ON_WHITE), /* diamonds */
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PC_COLORS('\005', BLACK_ON_WHITE), /* clubs */
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};
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#endif /* __i386__ */
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static chtype *suits = letters; /* this may change to glyphs below */
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static RETSIGTYPE
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die(int onsig)
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{
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(void) signal(onsig, SIG_IGN);
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endwin();
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ExitProgram(EXIT_SUCCESS);
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}
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static void
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init_vars(void)
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{
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int i;
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deck_size = PACK_SIZE;
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for (i = 0; i < PACK_SIZE; i++)
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deck[i] = i;
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for (i = 0; i < 4; i++)
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freeptr[i] = i * GRID_WIDTH;
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}
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static void
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shuffle(int size)
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{
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int i, j, numswaps, swapnum, temp;
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numswaps = size * 10; /* an arbitrary figure */
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for (swapnum = 0; swapnum < numswaps; swapnum++) {
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i = rand() % size;
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j = rand() % size;
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temp = deck[i];
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deck[i] = deck[j];
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deck[j] = temp;
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}
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}
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static void
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deal_cards(void)
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{
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int ptr, card = 0, value, csuit, crank, suit, aces[4];
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for (suit = HEARTS; suit <= CLUBS; suit++) {
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ptr = freeptr[suit];
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grid[ptr++] = NOCARD; /* 1st card space is blank */
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while ((ptr % GRID_WIDTH) != 0) {
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value = deck[card++];
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crank = value % SUIT_LENGTH;
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csuit = value / SUIT_LENGTH;
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if (crank == ACE)
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aces[csuit] = ptr;
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grid[ptr++] = value;
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}
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}
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if (deal_number == 1) /* shift the aces down to the 1st column */
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for (suit = HEARTS; suit <= CLUBS; suit++) {
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grid[suit * GRID_WIDTH] = suit * SUIT_LENGTH;
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grid[aces[suit]] = NOCARD;
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freeptr[suit] = aces[suit];
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}
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}
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static void
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printcard(int value)
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{
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(void) addch(' ');
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if (value == NOCARD)
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(void) addstr(" ");
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else {
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addch(ranks[value % SUIT_LENGTH][0] | COLOR_PAIR(BLUE_ON_WHITE));
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addch(ranks[value % SUIT_LENGTH][1] | COLOR_PAIR(BLUE_ON_WHITE));
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addch(suits[value / SUIT_LENGTH]);
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}
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(void) addch(' ');
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}
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static void
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display_cards(int deal)
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{
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int row, card;
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clear();
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(void) printw(
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"Blue Moon 2.1 - by Tim Lister & Eric Raymond - Deal %d.\n",
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deal);
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for (row = HEARTS; row <= CLUBS; row++) {
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move(BASEROW + row + row + 2, 1);
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for (card = 0; card < GRID_WIDTH; card++)
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printcard(grid[row * GRID_WIDTH + card]);
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}
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move(PROMPTROW + 2, 0);
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refresh();
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#define P(x) (void)printw("%s\n", x)
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P(" This 52-card solitaire starts with the entire deck shuffled and dealt");
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P("out in four rows. The aces are then moved to the left end of the layout,");
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P("making 4 initial free spaces. You may move to a space only the card that");
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P("matches the left neighbor in suit, and is one greater in rank. Kings are");
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P("high, so no cards may be placed to their right (they create dead spaces).");
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P(" When no moves can be made, cards still out of sequence are reshuffled");
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P("and dealt face up after the ends of the partial sequences, leaving a card");
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P("space after each sequence, so that each row looks like a partial sequence");
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P("followed by a space, followed by enough cards to make a row of 14. ");
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P(" A moment's reflection will show that this game cannot take more than 13");
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P("deals. A good score is 1-3 deals, 4-7 is average, 8 or more is poor. ");
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#undef P
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refresh();
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}
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static int
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find(int card)
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{
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int i;
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if ((card < 0) || (card >= PACK_SIZE))
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return (NOCARD);
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for (i = 0; i < GRID_LENGTH; i++)
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if (grid[i] == card)
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return i;
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return (NOCARD);
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}
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static void
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movecard(int src, int dst)
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{
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grid[dst] = grid[src];
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grid[src] = NOCARD;
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move(BASEROW + (dst / GRID_WIDTH) * 2 + 2, (dst % GRID_WIDTH) * 5 + 1);
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printcard(grid[dst]);
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move(BASEROW + (src / GRID_WIDTH) * 2 + 2, (src % GRID_WIDTH) * 5 + 1);
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printcard(grid[src]);
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refresh();
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}
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static void
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play_game(void)
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{
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int dead = 0, i, j;
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char c;
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int selection[4], card;
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while (dead < 4) {
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dead = 0;
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for (i = 0; i < 4; i++) {
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card = grid[freeptr[i] - 1];
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if (((card % SUIT_LENGTH) == KING)
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||
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(card == NOCARD))
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selection[i] = NOCARD;
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else
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selection[i] = find(card + 1);
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if (selection[i] == NOCARD)
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dead++;
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};
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if (dead < 4) {
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char live[NSUITS + 1], *lp = live;
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for (i = 0; i < 4; i++) {
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if (selection[i] != NOCARD) {
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move(BASEROW + (selection[i] / GRID_WIDTH) * 2 + 3,
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(selection[i] % GRID_WIDTH) * 5);
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(void) printw(" %c ", *lp++ = 'a' + i);
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}
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};
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*lp = '\0';
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if (strlen(live) == 1) {
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move(PROMPTROW, 0);
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(void) printw(
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"Making forced moves... ");
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refresh();
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(void) sleep(1);
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c = live[0];
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} else {
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char buf[BUFSIZ];
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(void) sprintf(buf,
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"Type [%s] to move, r to redraw, q or INTR to quit: ",
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live);
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do {
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move(PROMPTROW, 0);
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(void) addstr(buf);
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move(PROMPTROW, (int) strlen(buf));
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clrtoeol();
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(void) addch(' ');
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} while
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(((c = getch()) < 'a' || c > 'd') && (c != 'r') && (c != 'q'));
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}
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for (j = 0; j < 4; j++)
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if (selection[j] != NOCARD) {
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move(BASEROW + (selection[j] / GRID_WIDTH) * 2 + 3,
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(selection[j] % GRID_WIDTH) * 5);
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(void) printw(" ");
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}
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if (c == 'r')
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display_cards(deal_number);
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else if (c == 'q')
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die(SIGINT);
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else {
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i = c - 'a';
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if (selection[i] == NOCARD)
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beep();
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else {
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movecard(selection[i], freeptr[i]);
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freeptr[i] = selection[i];
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}
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}
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}
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}
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move(PROMPTROW, 0);
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standout();
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(void) printw("Finished deal %d - type any character to continue...", deal_number);
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standend();
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(void) getch();
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}
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static int
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collect_discards(void)
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{
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int row, col, cardno = 0, finish, gridno;
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for (row = HEARTS; row <= CLUBS; row++) {
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finish = 0;
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for (col = 1; col < GRID_WIDTH; col++) {
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gridno = row * GRID_WIDTH + col;
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if ((grid[gridno] != (grid[gridno - 1] + 1)) && (finish == 0)) {
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finish = 1;
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freeptr[row] = gridno;
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};
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if ((finish != 0) && (grid[gridno] != NOCARD))
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deck[cardno++] = grid[gridno];
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}
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}
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return cardno;
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}
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static void
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game_finished(int deal)
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{
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clear();
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(void) printw("You finished the game in %d deals. This is ", deal);
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standout();
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if (deal < 2)
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(void) addstr("excellent");
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else if (deal < 4)
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(void) addstr("good");
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else if (deal < 8)
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(void) addstr("average");
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else
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(void) addstr("poor");
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standend();
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(void) addstr(". ");
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refresh();
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}
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int
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main(int argc, char *argv[])
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{
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(void) signal(SIGINT, die);
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initscr();
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/*
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* We use COLOR_GREEN because COLOR_BLACK is wired to the wrong thing.
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*/
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start_color();
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init_pair(RED_ON_WHITE, COLOR_RED, COLOR_WHITE);
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init_pair(BLUE_ON_WHITE, COLOR_BLUE, COLOR_WHITE);
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init_pair(BLACK_ON_WHITE, COLOR_BLACK, COLOR_WHITE);
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#ifndef COLOR_PAIR
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letters[0] = OR_COLORS('h', RED_ON_WHITE); /* hearts */
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letters[1] = OR_COLORS('s', BLACK_ON_WHITE); /* spades */
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letters[2] = OR_COLORS('d', RED_ON_WHITE); /* diamonds */
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letters[3] = OR_COLORS('c', BLACK_ON_WHITE); /* clubs */
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#if defined(__i386__) && defined(A_ALTCHARSET)
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glyphs[0] = PC_COLORS('\003', RED_ON_WHITE); /* hearts */
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glyphs[1] = PC_COLORS('\006', BLACK_ON_WHITE); /* spades */
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glyphs[2] = PC_COLORS('\004', RED_ON_WHITE); /* diamonds */
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glyphs[3] = PC_COLORS('\005', BLACK_ON_WHITE); /* clubs */
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#endif
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#endif
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#if defined(__i386__) && defined(A_ALTCHARSET)
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if (tigetstr("smpch"))
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suits = glyphs;
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#endif /* __i386__ && A_ALTCHARSET */
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cbreak();
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if (argc == 2)
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srand((unsigned) atoi(argv[1]));
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else
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srand((unsigned) time((time_t *) 0));
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init_vars();
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do {
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deal_number++;
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shuffle(deck_size);
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deal_cards();
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display_cards(deal_number);
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play_game();
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}
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while
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((deck_size = collect_discards()) != 0);
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game_finished(deal_number);
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die(SIGINT);
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/*NOTREACHED */
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}
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/* blue.c ends here */
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