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-rw-r--r--snake/snake/snake.c656
1 files changed, 353 insertions, 303 deletions
diff --git a/snake/snake/snake.c b/snake/snake/snake.c
index db69aefa..eaa30b81 100644
--- a/snake/snake/snake.c
+++ b/snake/snake/snake.c
@@ -1,4 +1,4 @@
-/* $NetBSD: snake.c,v 1.8 1995/04/29 00:06:41 mycroft Exp $ */
+/* $NetBSD: snake.c,v 1.9 1997/10/12 01:49:28 lukem Exp $ */
/*
* Copyright (c) 1980, 1993
@@ -33,19 +33,19 @@
* SUCH DAMAGE.
*/
+#include <sys/cdefs.h>
#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1980, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
+__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
+ The Regents of the University of California. All rights reserved.\n");
+#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)snake.c 8.2 (Berkeley) 1/7/94";
#else
-static char rcsid[] = "$NetBSD: snake.c,v 1.8 1995/04/29 00:06:41 mycroft Exp $";
+__RCSID("$NetBSD: snake.c,v 1.9 1997/10/12 01:49:28 lukem Exp $");
#endif
-#endif /* not lint */
+#endif /* not lint */
/*
* snake - crt hack game.
@@ -65,11 +65,12 @@ static char rcsid[] = "$NetBSD: snake.c,v 1.8 1995/04/29 00:06:41 mycroft Exp $"
#include <pwd.h>
#include <stdlib.h>
#include <time.h>
+#include <unistd.h>
#include "snake.h"
#include "pathnames.h"
-#define PENALTY 10 /* % penalty for invoking spacewarp */
+#define PENALTY 10 /* % penalty for invoking spacewarp */
#define EOT '\004'
#define LF '\n'
@@ -88,32 +89,34 @@ struct point money;
struct point finish;
struct point snake[6];
-int loot, penalty;
-int long tl, tm=0L;
-int moves;
-char stri[BSIZE];
-char *p;
-char ch, savec;
-char *kl, *kr, *ku, *kd;
-int fast=1;
-int repeat=1;
-time_t tv;
-char *tn;
-
-main(argc,argv)
-int argc;
-char **argv;
+int loot, penalty;
+int long tl, tm = 0L;
+int moves;
+char stri[BSIZE];
+char *p;
+char ch, savec;
+char *kl, *kr, *ku, *kd;
+int fast = 1;
+int repeat = 1;
+time_t tv;
+char *tn;
+
+int main __P((int, char **));
+
+int
+main(argc, argv)
+ int argc;
+ char **argv;
{
extern char *optarg;
extern int optind;
- int ch, i, j, k;
- void stop();
+ int ch, i;
- (void)time(&tv);
- srandom((int)tv);
+ (void) time(&tv);
+ srandom((int) tv);
- while ((ch = getopt(argc, argv, "l:w:")) != EOF)
- switch((char)ch) {
+ while ((ch = getopt(argc, argv, "l:w:")) != -1)
+ switch ((char) ch) {
#ifdef notdef
case 'd':
tv = atol(optarg);
@@ -140,7 +143,6 @@ char **argv;
pr("snake: screen too small for a fair game.\n");
exit(1);
}
-
/*
* chunk is the amount of money the user gets for each $.
* The formula below tries to be fair for various screen sizes.
@@ -154,7 +156,8 @@ char **argv;
* smaller than 4x4 because there is a 3x3 game where you can win
* an infinite amount of money.
*/
- if (i < 12) i = 12; /* otherwise it isn't fair */
+ if (i < 12)
+ i = 12; /* otherwise it isn't fair */
/*
* Compensate for border. This really changes the game since
* the screen is two squares smaller but we want the default
@@ -162,45 +165,51 @@ char **argv;
* much anyway.
*/
i += 2;
- chunk = (675.0 / (i+6)) + 2.5; /* min screen edge */
+ chunk = (675.0 / (i + 6)) + 2.5; /* min screen edge */
- signal (SIGINT, stop);
- putpad(TI); /* String to begin programs that use cm */
- putpad(KS); /* Put terminal in keypad transmit mode */
+ signal(SIGINT, stop);
+ putpad(TI); /* String to begin programs that use cm */
+ putpad(KS); /* Put terminal in keypad transmit mode */
snrand(&finish);
snrand(&you);
snrand(&money);
snrand(&snake[0]);
- if (ospeed < 9600 || ((! CM) && (! TA))) fast=0;
- for(i=1;i<6;i++)
- chase (&snake[i], &snake[i-1]);
+ if (ospeed < 9600 || ((!CM) && (!TA)))
+ fast = 0;
+ for (i = 1; i < 6; i++)
+ chase(&snake[i], &snake[i - 1]);
setup();
mainloop();
+ /* NOTREACHED */
+ return (0);
}
/* Main command loop */
+void
mainloop()
{
- int j, k;
+ int j, k;
for (;;) {
- int c,lastc,match;
+ int c, lastc, match;
+ lastc = 0;
move(&you);
fflush(stdout);
if (((c = getchar() & 0177) <= '9') && (c >= '0')) {
- ungetc(c,stdin);
- j = scanf("%d",&repeat);
+ ungetc(c, stdin);
+ j = scanf("%d", &repeat);
c = getchar() & 0177;
} else {
- if (c != '.') repeat = 1;
+ if (c != '.')
+ repeat = 1;
}
if (c == '.') {
c = lastc;
}
- if ((Klength > 0) &&
+ if ((Klength > 0) &&
(c == *KL || c == *KR || c == *KU || c == *KD)) {
savec = c;
match = 0;
@@ -208,9 +217,9 @@ mainloop()
kr = KR;
ku = KU;
kd = KD;
- for (j=Klength;j>0;j--){
+ for (j = Klength; j > 0; j--) {
if (match != 1) {
- match = 0;
+ match = 0;
if (*kl++ == c) {
ch = 'h';
match++;
@@ -228,22 +237,24 @@ mainloop()
match++;
}
if (match == 0) {
- ungetc(c,stdin);
+ ungetc(c, stdin);
ch = savec;
- /* Oops!
- * This works if we figure it out on second character.
- */
+ /* Oops! This works if we
+ * figure it out on second
+ * character. */
break;
}
}
savec = c;
- if(j != 1) c = getchar() & 0177;
+ if (j != 1)
+ c = getchar() & 0177;
}
c = ch;
}
- if (!fast) flushi();
+ if (!fast)
+ flushi();
lastc = c;
- switch (c){
+ switch (c) {
case CTRL('z'):
suspend();
continue;
@@ -302,31 +313,31 @@ mainloop()
c = 'j';
break;
}
- for(k=1;k<=repeat;k++){
+ for (k = 1; k <= repeat; k++) {
moves++;
- switch(c) {
+ switch (c) {
case 's':
case 'h':
case '\b':
- if (you.col >0) {
- if((fast)||(k == 1))
- pchar(&you,' ');
+ if (you.col > 0) {
+ if ((fast) || (k == 1))
+ pchar(&you, ' ');
you.col--;
- if((fast) || (k == repeat) ||
- (you.col == 0))
- pchar(&you,ME);
+ if ((fast) || (k == repeat) ||
+ (you.col == 0))
+ pchar(&you, ME);
}
break;
case 'f':
case 'l':
case ' ':
- if (you.col < ccnt-1) {
- if((fast)||(k == 1))
- pchar(&you,' ');
+ if (you.col < ccnt - 1) {
+ if ((fast) || (k == 1))
+ pchar(&you, ' ');
you.col++;
- if((fast) || (k == repeat) ||
- (you.col == ccnt-1))
- pchar(&you,ME);
+ if ((fast) || (k == repeat) ||
+ (you.col == ccnt - 1))
+ pchar(&you, ME);
}
break;
case CTRL('p'):
@@ -334,12 +345,12 @@ mainloop()
case 'k':
case 'i':
if (you.line > 0) {
- if((fast)||(k == 1))
- pchar(&you,' ');
+ if ((fast) || (k == 1))
+ pchar(&you, ' ');
you.line--;
- if((fast) || (k == repeat) ||
- (you.line == 0))
- pchar(&you,ME);
+ if ((fast) || (k == repeat) ||
+ (you.line == 0))
+ pchar(&you, ME);
}
break;
case CTRL('n'):
@@ -347,100 +358,104 @@ mainloop()
case 'j':
case LF:
case 'm':
- if (you.line+1 < lcnt) {
- if((fast)||(k == 1))
- pchar(&you,' ');
+ if (you.line + 1 < lcnt) {
+ if ((fast) || (k == 1))
+ pchar(&you, ' ');
you.line++;
- if((fast) || (k == repeat) ||
- (you.line == lcnt-1))
- pchar(&you,ME);
+ if ((fast) || (k == repeat) ||
+ (you.line == lcnt - 1))
+ pchar(&you, ME);
}
break;
}
- if (same(&you,&money))
- {
- char xp[20];
- struct point z;
+ if (same(&you, &money)) {
loot += 25;
- if(k < repeat)
- pchar(&you,' ');
+ if (k < repeat)
+ pchar(&you, ' ');
do {
snrand(&money);
- } while (money.col == finish.col && money.line == finish.line ||
- money.col < 5 && money.line == 0 ||
- money.col == you.col && money.line == you.line);
- pchar(&money,TREASURE);
+ } while ((money.col == finish.col &&
+ money.line == finish.line) ||
+ (money.col < 5 && money.line == 0) ||
+ (money.col == you.col &&
+ money.line == you.line));
+ pchar(&money, TREASURE);
winnings(cashvalue);
continue;
}
- if (same(&you,&finish))
- {
+ if (same(&you, &finish)) {
win(&finish);
ll();
cook();
- pr("You have won with $%d.\n",cashvalue);
+ pr("You have won with $%d.\n", cashvalue);
fflush(stdout);
logit("won");
- post(cashvalue,1);
+ post(cashvalue, 1);
length(moves);
done();
}
- if (pushsnake())break;
+ if (pushsnake())
+ break;
}
fflush(stdout);
}
}
-setup(){ /*
- * setup the board
- */
- int i;
+/*
+ * setup the board
+ */
+void
+setup()
+{
+ int i;
clear();
- pchar(&you,ME);
- pchar(&finish,GOAL);
- pchar(&money,TREASURE);
- for(i=1; i<6; i++) {
- pchar(&snake[i],SNAKETAIL);
+ pchar(&you, ME);
+ pchar(&finish, GOAL);
+ pchar(&money, TREASURE);
+ for (i = 1; i < 6; i++) {
+ pchar(&snake[i], SNAKETAIL);
}
pchar(&snake[0], SNAKEHEAD);
drawbox();
fflush(stdout);
}
+void
drawbox()
{
- register int i;
+ int i;
struct point p;
p.line = -1;
- for (i= 0; i<ccnt; i++) {
+ for (i = 0; i < ccnt; i++) {
p.col = i;
pchar(&p, '-');
}
p.col = ccnt;
- for (i= -1; i<=lcnt; i++) {
+ for (i = -1; i <= lcnt; i++) {
p.line = i;
pchar(&p, '|');
}
p.col = -1;
- for (i= -1; i<=lcnt; i++) {
+ for (i = -1; i <= lcnt; i++) {
p.line = i;
pchar(&p, '|');
}
p.line = lcnt;
- for (i= 0; i<ccnt; i++) {
+ for (i = 0; i < ccnt; i++) {
p.col = i;
pchar(&p, '-');
}
}
+void
snrand(sp)
-struct point *sp;
+ struct point *sp;
{
struct point p;
- register int i;
+ int i;
for (;;) {
p.col = random() % ccnt;
@@ -465,39 +480,40 @@ struct point *sp;
*sp = p;
}
+int
post(iscore, flag)
-int iscore, flag;
+ int iscore, flag;
{
- short score = iscore;
- int rawscores;
- short uid;
- short oldbest=0;
- short allbwho=0, allbscore=0;
- struct passwd *p;
+ short score = iscore;
+ int rawscores;
+ short uid;
+ short oldbest = 0;
+ short allbwho = 0, allbscore = 0;
+ struct passwd *p;
/*
* Neg uid, 0, and 1 cannot have scores recorded.
*/
if ((uid = getuid()) <= 1) {
pr("No saved scores for uid %d.\n", uid);
- return(1);
+ return (1);
}
- if ((rawscores = open(_PATH_RAWSCORES, O_RDWR|O_CREAT, 0644)) < 0) {
+ if ((rawscores = open(_PATH_RAWSCORES, O_RDWR | O_CREAT, 0644)) < 0) {
pr("No score file %s: %s.\n", _PATH_RAWSCORES,
strerror(errno));
- return(1);
+ return (1);
}
/* Figure out what happened in the past */
read(rawscores, &allbscore, sizeof(short));
read(rawscores, &allbwho, sizeof(short));
- lseek(rawscores, uid*sizeof(short), 0);
+ lseek(rawscores, uid * sizeof(short), 0);
read(rawscores, &oldbest, sizeof(short));
if (!flag)
return (score > oldbest ? 1 : 0);
/* Update this jokers best */
if (score > oldbest) {
- lseek(rawscores, uid*sizeof(short), 0);
+ lseek(rawscores, uid * sizeof(short), 0);
write(rawscores, &score, sizeof(short));
pr("You bettered your previous best of $%d\n", oldbest);
} else
@@ -525,48 +541,51 @@ int iscore, flag;
* overshooting. This loses horribly at 9600 baud, but works nicely
* if the terminal gets behind.
*/
+void
flushi()
{
tcflush(0, TCIFLUSH);
}
-int mx [8] = {
- 0, 1, 1, 1, 0,-1,-1,-1};
-int my [8] = {
- -1,-1, 0, 1, 1, 1, 0,-1};
-float absv[8]= {
+
+int mx[8] = {
+ 0, 1, 1, 1, 0, -1, -1, -1
+};
+int my[8] = {
+ -1, -1, 0, 1, 1, 1, 0, -1
+};
+float absv[8] = {
1, 1.4, 1, 1.4, 1, 1.4, 1, 1.4
};
-int oldw=0;
-chase (np, sp)
-struct point *sp, *np;
+int oldw = 0;
+
+void
+chase(np, sp)
+ struct point *sp, *np;
{
- /* this algorithm has bugs; otherwise the
- snake would get too good */
+ /* this algorithm has bugs; otherwise the snake would get too good */
struct point d;
- int w, i, wt[8];
- double v1, v2, vp, max;
- point(&d,you.col-sp->col,you.line-sp->line);
- v1 = sqrt( (double) (d.col*d.col + d.line*d.line) );
- w=0;
- max=0;
- for(i=0; i<8; i++)
- {
- vp = d.col*mx[i] + d.line*my[i];
+ int w, i, wt[8];
+ double v1, v2, vp, max;
+ point(&d, you.col - sp->col, you.line - sp->line);
+ v1 = sqrt((double) (d.col * d.col + d.line * d.line));
+ w = 0;
+ max = 0;
+ for (i = 0; i < 8; i++) {
+ vp = d.col * mx[i] + d.line * my[i];
v2 = absv[i];
- if (v1>0)
- vp = ((double)vp)/(v1*v2);
- else vp=1.0;
- if (vp>max)
- {
- max=vp;
- w=i;
+ if (v1 > 0)
+ vp = ((double) vp) / (v1 * v2);
+ else
+ vp = 1.0;
+ if (vp > max) {
+ max = vp;
+ w = i;
}
}
- for(i=0; i<8; i++)
- {
- point(&d,sp->col+mx[i],sp->line+my[i]);
- wt[i]=0;
- if (d.col<0 || d.col>=ccnt || d.line<0 || d.line>=lcnt)
+ for (i = 0; i < 8; i++) {
+ point(&d, sp->col + mx[i], sp->line + my[i]);
+ wt[i] = 0;
+ if (d.col < 0 || d.col >= ccnt || d.line < 0 || d.line >= lcnt)
continue;
/*
* Change to allow snake to eat you if you're on the money,
@@ -575,36 +594,42 @@ struct point *sp, *np;
*
* if (d.line == 0 && d.col < 5) continue;
*/
- if (same(&d,&money)) continue;
- if (same(&d,&finish)) continue;
- wt[i]= i==w ? loot/10 : 1;
- if (i==oldw) wt [i] += loot/20;
- }
- for(w=i=0; i<8; i++)
- w+= wt[i];
- vp = (( rand() >> 6 ) & 01777) %w;
- for(i=0; i<8; i++)
- if (vp <wt[i])
+ if (same(&d, &money))
+ continue;
+ if (same(&d, &finish))
+ continue;
+ wt[i] = i == w ? loot / 10 : 1;
+ if (i == oldw)
+ wt[i] += loot / 20;
+ }
+ for (w = i = 0; i < 8; i++)
+ w += wt[i];
+ vp = ((rand() >> 6) & 01777) % w;
+ for (i = 0; i < 8; i++)
+ if (vp < wt[i])
break;
else
vp -= wt[i];
- if (i==8) {
- pr("failure\n");
- i=0;
- while (wt[i]==0) i++;
- }
- oldw=w=i;
- point(np,sp->col+mx[w],sp->line+my[w]);
+ if (i == 8) {
+ pr("failure\n");
+ i = 0;
+ while (wt[i] == 0)
+ i++;
+ }
+ oldw = w = i;
+ point(np, sp->col + mx[w], sp->line + my[w]);
}
+void
spacewarp(w)
-int w;{
+ int w;
+{
struct point p;
- int j;
- char *str;
+ int j;
+ char *str;
snrand(&you);
- point(&p,COLUMNS/2 - 8,LINES/2 - 1);
+ point(&p, COLUMNS / 2 - 8, LINES / 2 - 1);
if (p.col < 0)
p.col = 0;
if (p.line < 0)
@@ -615,152 +640,172 @@ int w;{
penalty = 0;
} else {
str = "SPACE WARP!!!";
- penalty += loot/PENALTY;
+ penalty += loot / PENALTY;
}
- for(j=0;j<3;j++){
+ for (j = 0; j < 3; j++) {
clear();
delay(5);
- apr(&p,str);
+ apr(&p, str);
delay(10);
}
setup();
winnings(cashvalue);
}
+
+void
snap()
{
struct point p;
- int i;
- if(you.line < 3){
- pchar(point(&p,you.col,0),'-');
+ if (you.line < 3) {
+ pchar(point(&p, you.col, 0), '-');
}
- if(you.line > lcnt-4){
- pchar(point(&p,you.col,lcnt-1),'_');
+ if (you.line > lcnt - 4) {
+ pchar(point(&p, you.col, lcnt - 1), '_');
}
- if(you.col < 10){
- pchar(point(&p,0,you.line),'(');
+ if (you.col < 10) {
+ pchar(point(&p, 0, you.line), '(');
}
- if(you.col > ccnt-10){
- pchar(point(&p,ccnt-1,you.line),')');
+ if (you.col > ccnt - 10) {
+ pchar(point(&p, ccnt - 1, you.line), ')');
}
- if (! stretch(&money)) if (! stretch(&finish)) delay(10);
- if(you.line < 3){
- point(&p,you.col,0);
+ if (!stretch(&money))
+ if (!stretch(&finish))
+ delay(10);
+ if (you.line < 3) {
+ point(&p, you.col, 0);
chk(&p);
}
- if(you.line > lcnt-4){
- point(&p,you.col,lcnt-1);
+ if (you.line > lcnt - 4) {
+ point(&p, you.col, lcnt - 1);
chk(&p);
}
- if(you.col < 10){
- point(&p,0,you.line);
+ if (you.col < 10) {
+ point(&p, 0, you.line);
chk(&p);
}
- if(you.col > ccnt-10){
- point(&p,ccnt-1,you.line);
+ if (you.col > ccnt - 10) {
+ point(&p, ccnt - 1, you.line);
chk(&p);
}
fflush(stdout);
}
+
+int
stretch(ps)
-struct point *ps;{
+ struct point *ps;
+{
struct point p;
- point(&p,you.col,you.line);
- if(abs(ps->col-you.col) < 6){
- if(you.line < ps->line){
- for (p.line = you.line+1;p.line <= ps->line;p.line++)
- pchar(&p,'v');
+ point(&p, you.col, you.line);
+ if (abs(ps->col - you.col) < 6) {
+ if (you.line < ps->line) {
+ for (p.line = you.line + 1; p.line <= ps->line;
+ p.line++)
+ pchar(&p, 'v');
delay(10);
- for (;p.line > you.line;p.line--)
+ for (; p.line > you.line; p.line--)
chk(&p);
} else {
- for (p.line = you.line-1;p.line >= ps->line;p.line--)
- pchar(&p,'^');
+ for (p.line = you.line - 1; p.line >= ps->line;
+ p.line--)
+ pchar(&p, '^');
delay(10);
- for (;p.line < you.line;p.line++)
+ for (; p.line < you.line; p.line++)
chk(&p);
}
- return(1);
- } else if(abs(ps->line-you.line) < 3){
- p.line = you.line;
- if(you.col < ps->col){
- for (p.col = you.col+1;p.col <= ps->col;p.col++)
- pchar(&p,'>');
- delay(10);
- for (;p.col > you.col;p.col--)
- chk(&p);
- } else {
- for (p.col = you.col-1;p.col >= ps->col;p.col--)
- pchar(&p,'<');
- delay(10);
- for (;p.col < you.col;p.col++)
- chk(&p);
+ return (1);
+ } else
+ if (abs(ps->line - you.line) < 3) {
+ p.line = you.line;
+ if (you.col < ps->col) {
+ for (p.col = you.col + 1; p.col <= ps->col;
+ p.col++)
+ pchar(&p, '>');
+ delay(10);
+ for (; p.col > you.col; p.col--)
+ chk(&p);
+ } else {
+ for (p.col = you.col - 1; p.col >= ps->col;
+ p.col--)
+ pchar(&p, '<');
+ delay(10);
+ for (; p.col < you.col; p.col++)
+ chk(&p);
+ }
+ return (1);
}
- return(1);
- }
- return(0);
+ return (0);
}
+void
surround(ps)
-struct point *ps;{
+ struct point *ps;
+{
struct point x;
- int i,j;
-
- if(ps->col == 0)ps->col++;
- if(ps->line == 0)ps->line++;
- if(ps->line == LINES -1)ps->line--;
- if(ps->col == COLUMNS -1)ps->col--;
- apr(point(&x,ps->col-1,ps->line-1),"/*\\\r* *\r\\*/");
- for (j=0;j<20;j++){
- pchar(ps,'@');
+ int j;
+
+ if (ps->col == 0)
+ ps->col++;
+ if (ps->line == 0)
+ ps->line++;
+ if (ps->line == LINES - 1)
+ ps->line--;
+ if (ps->col == COLUMNS - 1)
+ ps->col--;
+ apr(point(&x, ps->col - 1, ps->line - 1), "/*\\\r* *\r\\*/");
+ for (j = 0; j < 20; j++) {
+ pchar(ps, '@');
delay(1);
- pchar(ps,' ');
+ pchar(ps, ' ');
delay(1);
}
- if (post(cashvalue,0)) {
- apr(point(&x,ps->col-1,ps->line-1)," \ro.o\r\\_/");
+ if (post(cashvalue, 0)) {
+ apr(point(&x, ps->col - 1, ps->line - 1), " \ro.o\r\\_/");
delay(6);
- apr(point(&x,ps->col-1,ps->line-1)," \ro.-\r\\_/");
+ apr(point(&x, ps->col - 1, ps->line - 1), " \ro.-\r\\_/");
delay(6);
}
- apr(point(&x,ps->col-1,ps->line-1)," \ro.o\r\\_/");
+ apr(point(&x, ps->col - 1, ps->line - 1), " \ro.o\r\\_/");
}
+
+void
win(ps)
-struct point *ps;
+ struct point *ps;
{
struct point x;
- int j,k;
- int boxsize; /* actually diameter of box, not radius */
+ int j, k;
+ int boxsize; /* actually diameter of box, not radius */
boxsize = fast ? 10 : 4;
- point(&x,ps->col,ps->line);
- for(j=1;j<boxsize;j++){
- for(k=0;k<j;k++){
- pchar(&x,'#');
+ point(&x, ps->col, ps->line);
+ for (j = 1; j < boxsize; j++) {
+ for (k = 0; k < j; k++) {
+ pchar(&x, '#');
x.line--;
}
- for(k=0;k<j;k++){
- pchar(&x,'#');
+ for (k = 0; k < j; k++) {
+ pchar(&x, '#');
x.col++;
}
j++;
- for(k=0;k<j;k++){
- pchar(&x,'#');
+ for (k = 0; k < j; k++) {
+ pchar(&x, '#');
x.line++;
}
- for(k=0;k<j;k++){
- pchar(&x,'#');
+ for (k = 0; k < j; k++) {
+ pchar(&x, '#');
x.col--;
}
}
fflush(stdout);
}
+int
pushsnake()
{
- int i, bonus;
- int issame = 0;
+ int i, bonus;
+ int issame = 0;
/*
* My manual says times doesn't return a value. Furthermore, the
@@ -768,23 +813,21 @@ pushsnake()
* on a fast terminal with typematic keys or not.
* So I have taken the call to times out.
*/
- for(i=4; i>=0; i--)
+ for (i = 4; i >= 0; i--)
if (same(&snake[i], &snake[5]))
issame++;
if (!issame)
- pchar(&snake[5],' ');
- for(i=4; i>=0; i--)
- snake[i+1]= snake[i];
+ pchar(&snake[5], ' ');
+ for (i = 4; i >= 0; i--)
+ snake[i + 1] = snake[i];
chase(&snake[0], &snake[1]);
- pchar(&snake[1],SNAKETAIL);
- pchar(&snake[0],SNAKEHEAD);
- for(i=0; i<6; i++)
- {
- if (same(&snake[i],&you))
- {
+ pchar(&snake[1], SNAKETAIL);
+ pchar(&snake[0], SNAKEHEAD);
+ for (i = 0; i < 6; i++) {
+ if (same(&snake[i], &you)) {
surround(&you);
i = (cashvalue) % 10;
- bonus = ((rand()>>8) & 0377)% 10;
+ bonus = ((rand() >> 8) & 0377) % 10;
ll();
pr("%d\n", bonus);
delay(30);
@@ -792,9 +835,9 @@ pushsnake()
spacewarp(1);
logit("bonus");
flushi();
- return(1);
+ return (1);
}
- if ( loot >= penalty ){
+ if (loot >= penalty) {
pr("You and your $%d have been eaten\n",
cashvalue);
} else {
@@ -806,68 +849,73 @@ pushsnake()
done();
}
}
- return(0);
+ return (0);
}
-
+
+int
chk(sp)
-struct point *sp;
+ struct point *sp;
{
- int j;
+ int j;
- if (same(sp,&money)) {
- pchar(sp,TREASURE);
- return(2);
+ if (same(sp, &money)) {
+ pchar(sp, TREASURE);
+ return (2);
}
- if (same(sp,&finish)) {
- pchar(sp,GOAL);
- return(3);
+ if (same(sp, &finish)) {
+ pchar(sp, GOAL);
+ return (3);
}
- if (same(sp,&snake[0])) {
- pchar(sp,SNAKEHEAD);
- return(4);
+ if (same(sp, &snake[0])) {
+ pchar(sp, SNAKEHEAD);
+ return (4);
}
- for(j=1;j<6;j++){
- if(same(sp,&snake[j])){
- pchar(sp,SNAKETAIL);
- return(4);
+ for (j = 1; j < 6; j++) {
+ if (same(sp, &snake[j])) {
+ pchar(sp, SNAKETAIL);
+ return (4);
}
}
- if ((sp->col < 4) && (sp->line == 0)){
+ if ((sp->col < 4) && (sp->line == 0)) {
winnings(cashvalue);
- if((you.line == 0) && (you.col < 4)) pchar(&you,ME);
- return(5);
+ if ((you.line == 0) && (you.col < 4))
+ pchar(&you, ME);
+ return (5);
}
- if (same(sp,&you)) {
- pchar(sp,ME);
- return(1);
+ if (same(sp, &you)) {
+ pchar(sp, ME);
+ return (1);
}
- pchar(sp,' ');
- return(0);
+ pchar(sp, ' ');
+ return (0);
}
+
+void
winnings(won)
-int won;
+ int won;
{
struct point p;
p.line = p.col = 1;
- if(won>0){
+ if (won > 0) {
move(&p);
- pr("$%d",won);
+ pr("$%d", won);
}
}
void
-stop(){
- signal(SIGINT,SIG_IGN);
+stop(dummy)
+ int dummy;
+{
+ signal(SIGINT, SIG_IGN);
ll();
length(moves);
done();
}
+void
suspend()
{
- char *sh;
-
ll();
cook();
kill(getpid(), SIGTSTP);
@@ -876,19 +924,21 @@ suspend()
winnings(cashvalue);
}
+void
length(num)
-int num;
+ int num;
{
- pr("You made %d moves.\n",num);
+ pr("You made %d moves.\n", num);
}
+void
logit(msg)
-char *msg;
+ const char *msg;
{
- FILE *logfile;
- time_t t;
+ FILE *logfile;
+ time_t t;
- if ((logfile=fopen(_PATH_LOGFILE, "a")) != NULL) {
+ if ((logfile = fopen(_PATH_LOGFILE, "a")) != NULL) {
time(&t);
fprintf(logfile, "%s $%d %dx%d %s %s",
getlogin(), cashvalue, lcnt, ccnt, msg, ctime(&t));