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