4.4BSD/usr/src/games/larn/diag.c
/* diag.c Larn is copyrighted 1986 by Noah Morgan. */
#include <sys/types.h>
#include <sys/times.h>
#include <sys/stat.h>
#include "header.h"
extern long int initialtime;
extern int rmst,maxitm,lasttime;
extern char nosignal;
static struct tms cputime;
/*
***************************
DIAG -- dungeon diagnostics
***************************
subroutine to print out data for debugging
*/
#ifdef EXTRA
static int rndcount[16];
diag()
{
register 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: %2d(%2d)",(long)c[HP],(long)c[HPMAX]);
lprintf("\ngold: %d Experience: %d Character level: %d Level in caverns: %d",
(long)c[GOLD],(long)c[EXPERIENCE],(long)c[LEVEL],(long)level);
lprintf("\nTotal types of monsters: %d",(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 %2d %3d ",monster[i].name,(long)monster[i].level,(long)monster[i].armorclass);
lprintf(" %3d %3d %3d ",(long)monster[i].damage,(long)monster[i].attack,(long)monster[i].defense);
lprintf("%6d %3d %6d\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 %2d/%2d/%2d %2d/%2d/%2d %2d/%2d/%2d",
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",&potionname[i][1]);
lprcat("\n\nHere's the list of available scrolls:\n\n");
for (i=0; i<MAXSCROLL; i++) lprintf("%20s\n",&scrollname[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[%2d] = ",(long)j); for (i=0; i<9; i++) lprintf("%5d ",(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(" %5d",(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
*/
dcount(l)
int l;
{
register 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
*/
diagdrawscreen()
{
register 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 long int zzz=0;
savegame(fname)
char *fname;
{
register int i,k;
register 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)gtime); 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(lfd,&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);
}
restoregame(fname)
char *fname;
{
register int i,k;
register 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)); gtime = 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][0] = lgetc();
for (k=0; k<MAXPOTION; k++) potionname[k][0] = lgetc();
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-lrint();
fstat(fd,&filetimes); /* get the creation and modification time of file */
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;
i = lrint(); /* inode # */
if (i && (filetimes.st_ino!=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=gtime;
}
/*
subroutine to not allow greedy cheaters
*/
greedy()
{
#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
*/
fsorry()
{
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
*/
fcheat()
{
#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;
}