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-rw-r--r--test/bs.c143
1 files changed, 79 insertions, 64 deletions
diff --git a/test/bs.c b/test/bs.c
index a74f643..0e4076f 100644
--- a/test/bs.c
+++ b/test/bs.c
@@ -1,5 +1,6 @@
/****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc. *
+ * Copyright 2018-2019,2020 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
@@ -34,7 +35,7 @@
* v2.0 featuring strict ANSI/POSIX conformance, November 1993.
* v2.1 with ncurses mouse support, September 1995
*
- * $Id: bs.c,v 1.63 2014/08/09 22:27:12 tom Exp $
+ * $Id: bs.c,v 1.75 2020/02/02 23:34:34 tom Exp $
*/
#include <test.priv.h>
@@ -64,6 +65,8 @@ static int getcoord(int);
#define CTRLC '\003' /* used as terminate command */
#define FF '\014' /* used as redraw command */
+#define is_QUIT(c) ((c) == CTRLC || (c) == QUIT)
+
/* coordinate handling */
#define BWIDTH 10
#define BDEPTH 10
@@ -114,17 +117,20 @@ static char *your_name;
static char dftname[] = "stranger";
/* direction constants */
-#define E 0
-#define SE 1
-#define S 2
-#define SW 3
-#define W 4
-#define NW 5
-#define N 6
-#define NE 7
-static int xincr[8] =
+typedef enum {
+ dir_E = 0
+ ,dir_SE
+ ,dir_S
+ ,dir_SW
+ ,dir_W
+ ,dir_NW
+ ,dir_N
+ ,dir_NE
+ ,dir_MAX
+} DIRECTIONS;
+static int xincr[dir_MAX + 2] =
{1, 1, 0, -1, -1, -1, 0, 1};
-static int yincr[8] =
+static int yincr[dir_MAX + 2] =
{0, 1, 1, 1, 0, -1, -1, -1};
/* current ship position and direction */
@@ -145,6 +151,7 @@ static bool checkplace(int b, ship_t * ss, int vis);
#define SHIPIT(name, symbol, length) { name, 0, symbol, length, 0,0, 0, FALSE }
+/* "ply=player", "cpu=computer" */
static ship_t plyship[SHIPTYPES] =
{
SHIPIT(carrier, 'A', 5),
@@ -185,6 +192,7 @@ uninitgame(int sig GCC_UNUSED)
(void) reset_shell_mode();
(void) echo();
(void) endwin();
+ free(your_name);
ExitProgram(sig ? EXIT_FAILURE : EXIT_SUCCESS);
}
@@ -214,20 +222,19 @@ announceopts(void)
static void
intro(void)
{
- char *tmpname;
+ const char *tmpname;
srand((unsigned) (time(0L) + getpid())); /* Kick the random number generator */
- CATCHALL(uninitgame);
+ InitAndCatch(initscr(), uninitgame);
if ((tmpname = getlogin()) != 0 &&
(your_name = strdup(tmpname)) != 0) {
your_name[0] = (char) toupper(UChar(your_name[0]));
} else {
- your_name = dftname;
+ your_name = strdup(dftname);
}
- (void) initscr();
keypad(stdscr, TRUE);
(void) def_prog_mode();
(void) nonl();
@@ -306,7 +313,7 @@ placeship(int b, ship_t * ss, int vis)
board[b][newx][newy] = ss->symbol;
if (vis) {
pgoto(newy, newx);
- (void) addch((chtype) ss->symbol);
+ AddCh(ss->symbol);
}
}
ss->hits = 0;
@@ -324,9 +331,9 @@ randomplace(int b, ship_t * ss)
{
do {
- ss->dir = rnd(2) ? E : S;
- ss->x = rnd(BWIDTH - (ss->dir == E ? ss->length : 0));
- ss->y = rnd(BDEPTH - (ss->dir == S ? ss->length : 0));
+ ss->dir = rnd(2) ? dir_E : dir_S;
+ ss->x = rnd(BWIDTH - (ss->dir == dir_E ? ss->length : 0));
+ ss->y = rnd(BDEPTH - (ss->dir == dir_S ? ss->length : 0));
} while
(!checkplace(b, ss, FALSE));
}
@@ -371,14 +378,14 @@ initgame(void)
if (has_colors())
attron(COLOR_PAIR(COLOR_BLUE));
#endif /* A_COLOR */
- (void) addch(' ');
+ AddCh(' ');
for (j = 0; j < BWIDTH; j++)
(void) addstr(" . ");
#ifdef A_COLOR
(void) attrset(0);
#endif /* A_COLOR */
- (void) addch(' ');
- (void) addch((chtype) (i + 'A'));
+ AddCh(' ');
+ AddCh(i + 'A');
}
MvAddStr(PYBASE + BDEPTH, PXBASE - 3, numbers);
MvAddStr(CYBASE - 2, CXBASE + 7, "Hit/Miss Board");
@@ -389,14 +396,14 @@ initgame(void)
if (has_colors())
attron(COLOR_PAIR(COLOR_BLUE));
#endif /* A_COLOR */
- (void) addch(' ');
+ AddCh(' ');
for (j = 0; j < BWIDTH; j++)
(void) addstr(" . ");
#ifdef A_COLOR
(void) attrset(0);
#endif /* A_COLOR */
- (void) addch(' ');
- (void) addch((chtype) (i + 'A'));
+ AddCh(' ');
+ AddCh(i + 'A');
}
MvAddStr(CYBASE + BDEPTH, CXBASE - 3, numbers);
@@ -461,9 +468,11 @@ initgame(void)
do {
c = (char) getch();
} while
- (!(strchr("hjkl8462rR", c) || c == FF));
+ (!(strchr("hjkl8462rR", c) || c == FF || is_QUIT(c)));
- if (c == FF) {
+ if (is_QUIT(c)) {
+ uninitgame(0);
+ } else if (c == FF) {
(void) clearok(stdscr, TRUE);
(void) refresh();
} else if (ss == 0) {
@@ -490,19 +499,19 @@ initgame(void)
switch (c) {
case 'k':
case '8':
- ss->dir = N;
+ ss->dir = dir_N;
break;
case 'j':
case '2':
- ss->dir = S;
+ ss->dir = dir_S;
break;
case 'h':
case '4':
- ss->dir = W;
+ ss->dir = dir_W;
break;
case 'l':
case '6':
- ss->dir = E;
+ ss->dir = dir_E;
break;
}
@@ -540,14 +549,15 @@ initgame(void)
static int
getcoord(int atcpu)
{
- int ny, nx, c;
-
if (atcpu)
cgoto(cury, curx);
else
pgoto(cury, curx);
(void) refresh();
+
for (;;) {
+ int ny, nx, c;
+
if (atcpu) {
MvPrintw(CYBASE + BDEPTH + 1, CXBASE + 11, "(%d, %c)",
curx, 'A' + cury);
@@ -660,7 +670,7 @@ collidecheck(int b, int y, int x)
if (!closepack) {
int i;
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < dir_MAX; i++) {
int xend, yend;
yend = y + yincr[i];
@@ -723,10 +733,9 @@ static int
awinna(void)
{
int i, j;
- ship_t *ss;
for (i = 0; i < 2; ++i) {
- ss = (i) ? cpuship : plyship;
+ ship_t *ss = (i) ? cpuship : plyship;
for (j = 0; j < SHIPTYPES; ++j, ++ss)
if (ss->length > ss->hits)
break;
@@ -753,12 +762,14 @@ hitship(int x, int y)
if (++ss->hits < ss->length) /* still afloat? */
return ((ship_t *) NULL);
else { /* sunk! */
- int i, j;
+ int i;
+
+ if (!closepack) {
+ int j;
- if (!closepack)
for (j = -1; j <= 1; j++) {
- int bx = ss->x + j * xincr[(ss->dir + 2) % 8];
- int by = ss->y + j * yincr[(ss->dir + 2) % 8];
+ int bx = ss->x + j * xincr[(ss->dir + 2) % dir_MAX];
+ int by = ss->y + j * yincr[(ss->dir + 2) % dir_MAX];
for (i = -1; i <= ss->length; ++i) {
int x1, y1;
@@ -773,17 +784,18 @@ hitship(int x, int y)
if (has_colors())
attron(COLOR_PAIR(COLOR_GREEN));
#endif /* A_COLOR */
- (void) addch(MARK_MISS);
+ AddCh(MARK_MISS);
#ifdef A_COLOR
(void) attrset(0);
#endif /* A_COLOR */
} else {
pgoto(y1, x1);
- (void) addch(SHOWSPLASH);
+ AddCh(SHOWSPLASH);
}
}
}
}
+ }
for (i = 0; i < ss->length; ++i) {
int x1 = ss->x + i * xincr[ss->dir];
@@ -792,14 +804,14 @@ hitship(int x, int y)
hits[turn][x1][y1] = ss->symbol;
if (turn % 2 == PLAYER) {
cgoto(y1, x1);
- (void) addch((chtype) (ss->symbol));
+ AddCh(ss->symbol);
} else {
pgoto(y1, x1);
#ifdef A_COLOR
if (has_colors())
attron(COLOR_PAIR(COLOR_RED));
#endif /* A_COLOR */
- (void) addch(SHOWHIT);
+ AddCh(SHOWHIT);
#ifdef A_COLOR
(void) attrset(0);
#endif /* A_COLOR */
@@ -841,7 +853,7 @@ plyturn(void)
attron(COLOR_PAIR(COLOR_GREEN));
}
#endif /* A_COLOR */
- (void) addch((chtype) hits[PLAYER][curx][cury]);
+ AddCh(hits[PLAYER][curx][cury]);
#ifdef A_COLOR
(void) attrset(0);
#endif /* A_COLOR */
@@ -876,20 +888,20 @@ plyturn(void)
static int
sgetc(const char *s)
{
- const char *s1;
- int ch;
-
(void) refresh();
+
for (;;) {
- ch = getch();
+ int ch = getch();
+ const char *s1;
+
if (islower(ch))
ch = toupper(ch);
- if (ch == CTRLC)
+ if (is_QUIT(ch))
uninitgame(0);
for (s1 = s; *s1 && ch != *s1; ++s1)
continue;
if (*s1) {
- (void) addch((chtype) ch);
+ AddCh(ch);
(void) refresh();
return (ch);
}
@@ -974,7 +986,7 @@ cpufire(int x, int y)
attron(COLOR_PAIR(COLOR_GREEN));
}
#endif /* A_COLOR */
- (void) addch((chtype) (hit ? SHOWHIT : SHOWSPLASH));
+ AddCh((hit ? SHOWHIT : SHOWSPLASH));
#ifdef A_COLOR
(void) attrset(0);
#endif /* A_COLOR */
@@ -1002,7 +1014,7 @@ cputurn(void)
#define REVERSE_JUMP 4
#define SECOND_PASS 5
static int next = RANDOM_FIRE;
- static bool used[4];
+ static bool used[5];
static ship_t ts;
int navail, x, y, d, n;
int hit = S_MISS;
@@ -1022,11 +1034,14 @@ cputurn(void)
break;
case RANDOM_HIT: /* last shot was random and hit */
- used[E / 2] = used[S / 2] = used[W / 2] = used[N / 2] = FALSE;
+ used[dir_E / 2] =
+ used[dir_S / 2] =
+ used[dir_W / 2] =
+ used[dir_N / 2] = FALSE;
/* FALLTHROUGH */
case HUNT_DIRECT: /* last shot hit, we're looking for ship's long axis */
- for (d = navail = 0; d < 4; d++) {
+ for (d = navail = 0; d < (dir_MAX) / 2; d++) {
x = ts.x + xincr[d * 2];
y = ts.y + yincr[d * 2];
if (!used[d] && POSSIBLE(x, y))
@@ -1038,13 +1053,13 @@ cputurn(void)
goto refire; /* ...so we must random-fire */
else {
n = rnd(navail) + 1;
- for (d = 0; used[d]; d++) ;
+ for (d = 0; d < (dir_MAX) / 2 && used[d]; d++) ;
/* used[d] is first that == 0 */
for (; n > 1; n--)
- while (used[++d]) ;
+ while (d < (dir_MAX) / 2 && used[++d]) ;
/* used[d] is next that == 0 */
- assert(d < 4);
+ assert(d < (dir_MAX) / 2);
assert(used[d] == FALSE);
used[d] = TRUE;
@@ -1078,7 +1093,7 @@ cputurn(void)
break;
case REVERSE_JUMP: /* nail down the ship's other end */
- d = (ts.dir + 4) % 8;
+ d = (ts.dir + (dir_MAX) / 2) % dir_MAX;
x = ts.x + ts.hits * xincr[d];
y = ts.y + ts.hits * yincr[d];
if (POSSIBLE(x, y) && (hit = cpufire(x, y))) {
@@ -1127,7 +1142,7 @@ playagain(void)
for (ss = cpuship; ss < cpuship + SHIPTYPES; ss++)
for (j = 0; j < ss->length; j++) {
cgoto(ss->y + j * yincr[ss->dir], ss->x + j * xincr[ss->dir]);
- (void) addch((chtype) ss->symbol);
+ AddCh(ss->symbol);
}
if (awinna())
@@ -1150,14 +1165,14 @@ playagain(void)
static void
do_options(int c, char *op[])
{
- register int i;
-
if (c > 1) {
+ int i;
+
for (i = 1; i < c; i++) {
switch (op[i][0]) {
default:
case '?':
- (void) fprintf(stderr, "Usage: battle [-s | -b] [-c]\n");
+ (void) fprintf(stderr, "Usage: bs [-s | -b] [-c]\n");
(void) fprintf(stderr, "\tWhere the options are:\n");
(void) fprintf(stderr, "\t-s : play a salvo game\n");
(void) fprintf(stderr, "\t-b : play a blitz game\n");
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