NetBSD-5.0.2/games/larn/diag.c
/* $NetBSD: diag.c,v 1.12 2008/02/03 19:20:41 dholland Exp $ */
/* diag.c Larn is copyrighted 1986 by Noah Morgan. */
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: diag.c,v 1.12 2008/02/03 19:20:41 dholland Exp $");
#endif /* not lint */
#include <sys/types.h>
#include <sys/times.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "header.h"
#include "extern.h"
static void greedy(void);
static void fsorry(void);
static void fcheat(void);
static struct tms cputime;
/*
***************************
DIAG -- dungeon diagnostics
***************************
subroutine to print out data for debugging
*/
#ifdef EXTRA
static int rndcount[16];
void
diag()
{
int i, j;
int hit, dam;
cursors();
lwclose();
if (lcreat(diagfile) < 0) { /* open the diagnostic file */
lcreat((char *) 0);
lprcat("\ndiagnostic failure\n");
return (-1);
}
write(1, "\nDiagnosing . . .\n", 18);
lprcat("\n\nBeginning of DIAG diagnostics ----------\n");
/* for the character attributes */
lprintf("\n\nPlayer attributes:\n\nHit points: %2ld(%2ld)", (long) c[HP], (long) c[HPMAX]);
lprintf("\ngold: %ld Experience: %ld Character level: %ld Level in caverns: %ld",
(long) c[GOLD], (long) c[EXPERIENCE], (long) c[LEVEL], (long) level);
lprintf("\nTotal types of monsters: %ld", (long) MAXMONST + 8);
lprcat("\f\nHere's the dungeon:\n\n");
i = level;
for (j = 0; j < MAXLEVEL + MAXVLEVEL; j++) {
newcavelevel(j);
lprintf("\nMaze for level %s:\n", levelname[level]);
diagdrawscreen();
}
newcavelevel(i);
lprcat("\f\nNow for the monster data:\n\n");
lprcat(" Monster Name LEV AC DAM ATT DEF GOLD HP EXP \n");
lprcat("--------------------------------------------------------------------------\n");
for (i = 0; i <= MAXMONST + 8; i++) {
lprintf("%19s %2ld %3ld ", monster[i].name, (long) monster[i].level, (long) monster[i].armorclass);
lprintf(" %3ld %3ld %3ld ", (long) monster[i].damage, (long) monster[i].attack, (long) monster[i].defense);
lprintf("%6ld %3ld %6ld\n", (long) monster[i].gold, (long) monster[i].hitpoints, (long) monster[i].experience);
}
lprcat("\n\nHere's a Table for the to hit percentages\n");
lprcat("\n We will be assuming that players level = 2 * monster level");
lprcat("\n and that the players dexterity and strength are 16.");
lprcat("\n to hit: if (rnd(22) < (2[monst AC] + your level + dex + WC/8 -1)/2) then hit");
lprcat("\n damage = rund(8) + WC/2 + STR - c[HARDGAME] - 4");
lprcat("\n to hit: if rnd(22) < to hit then player hits\n");
lprcat("\n Each entry is as follows: to hit / damage / number hits to kill\n");
lprcat("\n monster WC = 4 WC = 20 WC = 40");
lprcat("\n---------------------------------------------------------------");
for (i = 0; i <= MAXMONST + 8; i++) {
hit = 2 * monster[i].armorclass + 2 * monster[i].level + 16;
dam = 16 - c[HARDGAME];
lprintf("\n%20s %2ld/%2ld/%2ld %2ld/%2ld/%2ld %2ld/%2ld/%2ld",
monster[i].name,
(long) (hit / 2), (long) max(0, dam + 2), (long) (monster[i].hitpoints / (dam + 2) + 1),
(long) ((hit + 2) / 2), (long) max(0, dam + 10), (long) (monster[i].hitpoints / (dam + 10) + 1),
(long) ((hit + 5) / 2), (long) max(0, dam + 20), (long) (monster[i].hitpoints / (dam + 20) + 1));
}
lprcat("\n\nHere's the list of available potions:\n\n");
for (i = 0; i < MAXPOTION; i++)
lprintf("%20s\n", &potionhide[i][1]);
lprcat("\n\nHere's the list of available scrolls:\n\n");
for (i = 0; i < MAXSCROLL; i++)
lprintf("%20s\n", &scrollhide[i][1]);
lprcat("\n\nHere's the spell list:\n\n");
lprcat("spell name description\n");
lprcat("-------------------------------------------------------------------------------------------\n\n");
for (j = 0; j < SPNUM; j++) {
lprc(' ');
lprcat(spelcode[j]);
lprintf(" %21s %s\n", spelname[j], speldescript[j]);
}
lprcat("\n\nFor the c[] array:\n");
for (j = 0; j < 100; j += 10) {
lprintf("\nc[%2ld] = ", (long) j);
for (i = 0; i < 9; i++)
lprintf("%5ld ", (long) c[i + j]);
}
lprcat("\n\nTest of random number generator ----------------");
lprcat("\n for 25,000 calls divided into 16 slots\n\n");
for (i = 0; i < 16; i++)
rndcount[i] = 0;
for (i = 0; i < 25000; i++)
rndcount[rund(16)]++;
for (i = 0; i < 16; i++) {
lprintf(" %5ld", (long) rndcount[i]);
if (i == 7)
lprc('\n');
}
lprcat("\n\n");
lwclose();
lcreat((char *) 0);
lprcat("Done Diagnosing . . .");
return (0);
}
/*
subroutine to count the number of occurrences of an object
*/
int
dcount(l)
int l;
{
int i, j, p;
int k;
k = 0;
for (i = 0; i < MAXX; i++)
for (j = 0; j < MAXY; j++)
for (p = 0; p < MAXLEVEL; p++)
if (cell[p * MAXX * MAXY + i * MAXY + j].item == l)
k++;
return (k);
}
/*
subroutine to draw the whole screen as the player knows it
*/
void
diagdrawscreen()
{
int i, j, k;
for (i = 0; i < MAXY; i++)
/* for the east west walls of this line */
{
for (j = 0; j < MAXX; j++)
if (k = mitem[j][i])
lprc(monstnamelist[k]);
else
lprc(objnamelist[item[j][i]]);
lprc('\n');
}
}
#endif
/*
to save the game in a file
*/
static time_t zzz = 0;
int
savegame(fname)
char *fname;
{
int i, k;
struct sphere *sp;
struct stat statbuf;
nosignal = 1;
lflush();
savelevel();
ointerest();
if (lcreat(fname) < 0) {
lcreat((char *) 0);
lprintf("\nCan't open file <%s> to save game\n", fname);
nosignal = 0;
return (-1);
}
set_score_output();
lwrite((char *) beenhere, MAXLEVEL + MAXVLEVEL);
for (k = 0; k < MAXLEVEL + MAXVLEVEL; k++)
if (beenhere[k])
lwrite((char *) &cell[k * MAXX * MAXY], sizeof(struct cel) * MAXY * MAXX);
times(&cputime); /* get cpu time */
c[CPUTIME] += (cputime.tms_utime + cputime.tms_stime) / 60;
lwrite((char *) &c[0], 100 * sizeof(long));
lprint((long) gltime);
lprc(level);
lprc(playerx);
lprc(playery);
lwrite((char *) iven, 26);
lwrite((char *) ivenarg, 26 * sizeof(short));
for (k = 0; k < MAXSCROLL; k++)
lprc(scrollname[k][0]);
for (k = 0; k < MAXPOTION; k++)
lprc(potionname[k][0]);
lwrite((char *) spelknow, SPNUM);
lprc(wizard);
lprc(rmst); /* random monster generation counter */
for (i = 0; i < 90; i++)
lprc(itm[i].qty);
lwrite((char *) course, 25);
lprc(cheat);
lprc(VERSION);
for (i = 0; i < MAXMONST; i++)
lprc(monster[i].genocided); /* genocide info */
for (sp = spheres; sp; sp = sp->p)
lwrite((char *) sp, sizeof(struct sphere)); /* save spheres of
* annihilation */
time(&zzz);
lprint((long) (zzz - initialtime));
lwrite((char *) &zzz, sizeof(long));
if (fstat(io_outfd, &statbuf) < 0)
lprint(0L);
else
lprint((long) statbuf.st_ino); /* inode # */
lwclose();
lastmonst[0] = 0;
#ifndef VT100
setscroll();
#endif /* VT100 */
lcreat((char *) 0);
nosignal = 0;
return (0);
}
void
restoregame(fname)
char *fname;
{
int i, k;
struct sphere *sp, *sp2;
struct stat filetimes;
cursors();
lprcat("\nRestoring . . .");
lflush();
if (lopen(fname) <= 0) {
lcreat((char *) 0);
lprintf("\nCan't open file <%s>to restore game\n", fname);
nap(2000);
c[GOLD] = c[BANKACCOUNT] = 0;
died(-265);
return;
}
lrfill((char *) beenhere, MAXLEVEL + MAXVLEVEL);
for (k = 0; k < MAXLEVEL + MAXVLEVEL; k++)
if (beenhere[k])
lrfill((char *) &cell[k * MAXX * MAXY], sizeof(struct cel) * MAXY * MAXX);
lrfill((char *) &c[0], 100 * sizeof(long));
gltime = larn_lrint();
level = c[CAVELEVEL] = lgetc();
playerx = lgetc();
playery = lgetc();
lrfill((char *) iven, 26);
lrfill((char *) ivenarg, 26 * sizeof(short));
for (k = 0; k < MAXSCROLL; k++)
scrollname[k] = lgetc() ? scrollhide[k] : "";
for (k = 0; k < MAXPOTION; k++)
potionname[k] = lgetc() ? potionhide[k] : "";
lrfill((char *) spelknow, SPNUM);
wizard = lgetc();
rmst = lgetc(); /* random monster creation flag */
for (i = 0; i < 90; i++)
itm[i].qty = lgetc();
lrfill((char *) course, 25);
cheat = lgetc();
if (VERSION != lgetc()) { /* version number */
cheat = 1;
lprcat("Sorry, But your save file is for an older version of larn\n");
nap(2000);
c[GOLD] = c[BANKACCOUNT] = 0;
died(-266);
return;
}
for (i = 0; i < MAXMONST; i++)
monster[i].genocided = lgetc(); /* genocide info */
for (sp = 0, i = 0; i < c[SPHCAST]; i++) {
sp2 = sp;
sp = (struct sphere *) malloc(sizeof(struct sphere));
if (sp == 0) {
write(2, "Can't malloc() for sphere space\n", 32);
break;
}
lrfill((char *) sp, sizeof(struct sphere)); /* get spheres of
* annihilation */
sp->p = 0; /* null out pointer */
if (i == 0)
spheres = sp; /* beginning of list */
else
sp2->p = sp;
}
time(&zzz);
initialtime = zzz - larn_lrint();
/* get the creation and modification time of file */
fstat(io_infd, &filetimes);
lrfill((char *) &zzz, sizeof(long));
zzz += 6;
if (filetimes.st_ctime > zzz)
fsorry(); /* file create time */
else if (filetimes.st_mtime > zzz)
fsorry(); /* file modify time */
if (c[HP] < 0) {
died(284);
return;
} /* died a post mortem death */
oldx = oldy = 0;
/* XXX the following will break on 64-bit inode numbers */
i = larn_lrint(); /* inode # */
if (i && (filetimes.st_ino != (ino_t) i))
fsorry();
lrclose();
if (strcmp(fname, ckpfile) == 0) {
if (lappend(fname) < 0)
fcheat();
else {
lprc(' ');
lwclose();
}
lcreat((char *) 0);
} else if (unlink(fname) < 0)
fcheat(); /* can't unlink save file */
/* for the greedy cheater checker */
for (k = 0; k < 6; k++)
if (c[k] > 99)
greedy();
if (c[HPMAX] > 999 || c[SPELLMAX] > 125)
greedy();
if (c[LEVEL] == 25 && c[EXPERIENCE] > skill[24]) { /* if patch up lev 25
* player */
long tmp;
tmp = c[EXPERIENCE] - skill[24]; /* amount to go up */
c[EXPERIENCE] = skill[24];
raiseexperience((long) tmp);
}
getlevel();
lasttime = gltime;
}
/*
subroutine to not allow greedy cheaters
*/
static void
greedy(void)
{
#if WIZID
if (wizard)
return;
#endif
lprcat("\n\nI am so sorry, but your character is a little TOO good! Since this\n");
lprcat("cannot normally happen from an honest game, I must assume that you cheated.\n");
lprcat("In that you are GREEDY as well as a CHEATER, I cannot allow this game\n");
lprcat("to continue.\n");
nap(5000);
c[GOLD] = c[BANKACCOUNT] = 0;
died(-267);
return;
}
/*
subroutine to not allow altered save files and terminate the attempted
restart
*/
static void
fsorry(void)
{
lprcat("\nSorry, but your savefile has been altered.\n");
lprcat("However, seeing as I am a good sport, I will let you play.\n");
lprcat("Be advised though, you won't be placed on the normal scoreboard.");
cheat = 1;
nap(4000);
}
/*
subroutine to not allow game if save file can't be deleted
*/
static void
fcheat(void)
{
#if WIZID
if (wizard)
return;
#endif
lprcat("\nSorry, but your savefile can't be deleted. This can only mean\n");
lprcat("that you tried to CHEAT by protecting the directory the savefile\n");
lprcat("is in. Since this is unfair to the rest of the larn community, I\n");
lprcat("cannot let you play this game.\n");
nap(5000);
c[GOLD] = c[BANKACCOUNT] = 0;
died(-268);
return;
}