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-rw-r--r--larn/diag.c411
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diff --git a/larn/diag.c b/larn/diag.c
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+/* $NetBSD: diag.c,v 1.13 2012/06/19 05:30:43 dholland Exp $ */
+
+/* diag.c Larn is copyrighted 1986 by Noah Morgan. */
+#include <sys/cdefs.h>
+#ifndef lint
+__RCSID("$NetBSD: diag.c,v 1.13 2012/06/19 05:30:43 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(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(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;
+}
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