Initial import from FreeBSD RELENG_4:
[dragonfly.git] / games / larn / diag.c
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MD
1/* diag.c Larn is copyrighted 1986 by Noah Morgan. */
2/* $FreeBSD: src/games/larn/diag.c,v 1.5 1999/11/16 02:57:21 billf Exp $ */
3#include <sys/types.h>
4#include <sys/times.h>
5#include <sys/stat.h>
6#include "header.h"
7extern int rmst,maxitm,lasttime;
8extern char nosignal;
9static struct tms cputime;
10/*
11 ***************************
12 DIAG -- dungeon diagnostics
13 ***************************
14
15 subroutine to print out data for debugging
16 */
17#ifdef EXTRA
18static int rndcount[16];
19diag()
20 {
21 int i,j;
22 int hit,dam;
23 cursors(); lwclose();
24 if (lcreat(diagfile) < 0) /* open the diagnostic file */
25 {
26 lcreat((char*)0); lprcat("\ndiagnostic failure\n"); return(-1);
27 }
28
29 write(1,"\nDiagnosing . . .\n",18);
30 lprcat("\n\nBeginning of DIAG diagnostics ----------\n");
31
32/* for the character attributes */
33
34 lprintf("\n\nPlayer attributes:\n\nHit points: %2d(%2d)",(long)c[HP],(long)c[HPMAX]);
35 lprintf("\ngold: %d Experience: %d Character level: %d Level in caverns: %d",
36 (long)c[GOLD],(long)c[EXPERIENCE],(long)c[LEVEL],(long)level);
37 lprintf("\nTotal types of monsters: %d",(long)MAXMONST+8);
38
39 lprcat("\f\nHere's the dungeon:\n\n");
40
41 i=level;
42 for (j=0; j<MAXLEVEL+MAXVLEVEL; j++)
43 {
44 newcavelevel(j);
45 lprintf("\nMaze for level %s:\n",levelname[level]);
46 diagdrawscreen();
47 }
48 newcavelevel(i);
49
50 lprcat("\f\nNow for the monster data:\n\n");
51 lprcat(" Monster Name LEV AC DAM ATT DEF GOLD HP EXP \n");
52 lprcat("--------------------------------------------------------------------------\n");
53 for (i=0; i<=MAXMONST+8; i++)
54 {
55 lprintf("%19s %2d %3d ",monster[i].name,(long)monster[i].level,(long)monster[i].armorclass);
56 lprintf(" %3d %3d %3d ",(long)monster[i].damage,(long)monster[i].attack,(long)monster[i].defense);
57 lprintf("%6d %3d %6d\n",(long)monster[i].gold,(long)monster[i].hitpoints,(long)monster[i].experience);
58 }
59
60 lprcat("\n\nHere's a Table for the to hit percentages\n");
61 lprcat("\n We will be assuming that players level = 2 * monster level");
62 lprcat("\n and that the players dexterity and strength are 16.");
63 lprcat("\n to hit: if (rnd(22) < (2[monst AC] + your level + dex + WC/8 -1)/2) then hit");
64 lprcat("\n damage = rund(8) + WC/2 + STR - c[HARDGAME] - 4");
65 lprcat("\n to hit: if rnd(22) < to hit then player hits\n");
66 lprcat("\n Each entry is as follows: to hit / damage / number hits to kill\n");
67 lprcat("\n monster WC = 4 WC = 20 WC = 40");
68 lprcat("\n---------------------------------------------------------------");
69 for (i=0; i<=MAXMONST+8; i++)
70 {
71 hit = 2*monster[i].armorclass+2*monster[i].level+16;
72 dam = 16 - c[HARDGAME];
73 lprintf("\n%20s %2d/%2d/%2d %2d/%2d/%2d %2d/%2d/%2d",
74 monster[i].name,
75 (long)(hit/2),(long)max(0,dam+2),(long)(monster[i].hitpoints/(dam+2)+1),
76 (long)((hit+2)/2),(long)max(0,dam+10),(long)(monster[i].hitpoints/(dam+10)+1),
77 (long)((hit+5)/2),(long)max(0,dam+20),(long)(monster[i].hitpoints/(dam+20)+1));
78 }
79
80 lprcat("\n\nHere's the list of available potions:\n\n");
81 for (i=0; i<MAXPOTION; i++) lprintf("%20s\n",&potionname[i][1]);
82 lprcat("\n\nHere's the list of available scrolls:\n\n");
83 for (i=0; i<MAXSCROLL; i++) lprintf("%20s\n",&scrollname[i][1]);
84 lprcat("\n\nHere's the spell list:\n\n");
85 lprcat("spell name description\n");
86 lprcat("-------------------------------------------------------------------------------------------\n\n");
87 for (j=0; j<SPNUM; j++)
88 {
89 lprc(' '); lprcat(spelcode[j]);
90 lprintf(" %21s %s\n",spelname[j],speldescript[j]);
91 }
92
93 lprcat("\n\nFor the c[] array:\n");
94 for (j=0; j<100; j+=10)
95 {
96 lprintf("\nc[%2d] = ",(long)j); for (i=0; i<9; i++) lprintf("%5d ",(long)c[i+j]);
97 }
98
99 lprcat("\n\nTest of random number generator ----------------");
100 lprcat("\n for 25,000 calls divided into 16 slots\n\n");
101
102 for (i=0; i<16; i++) rndcount[i]=0;
103 for (i=0; i<25000; i++) rndcount[rund(16)]++;
104 for (i=0; i<16; i++) { lprintf(" %5d",(long)rndcount[i]); if (i==7) lprc('\n'); }
105
106 lprcat("\n\n"); lwclose();
107 lcreat((char*)0); lprcat("Done Diagnosing . . .");
108 return(0);
109 }
110/*
111 subroutine to count the number of occurrences of an object
112 */
113dcount(l)
114 int l;
115 {
116 int i,j,p;
117 int k;
118 k=0;
119 for (i=0; i<MAXX; i++)
120 for (j=0; j<MAXY; j++)
121 for (p=0; p<MAXLEVEL; p++)
122 if (cell[p*MAXX*MAXY+i*MAXY+j].item == l) k++;
123 return(k);
124 }
125
126/*
127 subroutine to draw the whole screen as the player knows it
128 */
129diagdrawscreen()
130 {
131 int i,j,k;
132
133 for (i=0; i<MAXY; i++)
134
135/* for the east west walls of this line */
136 {
137 for (j=0; j<MAXX; j++) if (k=mitem[j][i]) lprc(monstnamelist[k]); else
138 lprc(objnamelist[item[j][i]]);
139 lprc('\n');
140 }
141 }
142#endif
143\f
144/*
145 to save the game in a file
146 */
147static time_t zzz=0;
148savegame(fname)
149 char *fname;
150 {
151 int i,k;
152 struct sphere *sp;
153 struct stat statbuf;
154 nosignal=1; lflush(); savelevel();
155 ointerest();
156 if (lcreat(fname) < 0)
157 {
158 lcreat((char*)0); lprintf("\nCan't open file <%s> to save game\n",fname);
159 nosignal=0; return(-1);
160 }
161
162 set_score_output();
163 lwrite((char*)beenhere,MAXLEVEL+MAXVLEVEL);
164 for (k=0; k<MAXLEVEL+MAXVLEVEL; k++)
165 if (beenhere[k])
166 lwrite((char*)&cell[k*MAXX*MAXY],sizeof(struct cel)*MAXY*MAXX);
167 times(&cputime); /* get cpu time */
168 c[CPUTIME] += (cputime.tms_utime+cputime.tms_stime)/60;
169 lwrite((char*)&c[0],100*sizeof(long));
170 lprint((long)gtime); lprc(level);
171 lprc(playerx); lprc(playery);
172 lwrite((char*)iven,26); lwrite((char*)ivenarg,26*sizeof(short));
173 for (k=0; k<MAXSCROLL; k++) lprc(scrollname[k][0]);
174 for (k=0; k<MAXPOTION; k++) lprc(potionname[k][0]);
175 lwrite((char*)spelknow,SPNUM); lprc(wizard);
176 lprc(rmst); /* random monster generation counter */
177 for (i=0; i<90; i++) lprc(itm[i].qty);
178 lwrite((char*)course,25); lprc(cheat); lprc(VERSION);
179 for (i=0; i<MAXMONST; i++) lprc(monster[i].genocided); /* genocide info */
180 for (sp=spheres; sp; sp=sp->p)
181 lwrite((char*)sp,sizeof(struct sphere)); /* save spheres of annihilation */
182 time(&zzz); lprint((long)(zzz-initialtime));
183 lwrite((char*)&zzz,sizeof(long));
184 if (fstat(lfd,&statbuf)< 0) lprint(0L);
185 else lprint((long)statbuf.st_ino); /* inode # */
186 lwclose(); lastmonst[0] = 0;
187#ifndef VT100
188 setscroll();
189#endif VT100
190 lcreat((char*)0); nosignal=0;
191 return(0);
192 }
193
194restoregame(fname)
195 char *fname;
196 {
197 int i,k;
198 struct sphere *sp,*sp2;
199 struct stat filetimes;
200 cursors(); lprcat("\nRestoring . . ."); lflush();
201 if (lopen(fname) <= 0)
202 {
203 lcreat((char*)0); lprintf("\nCan't open file <%s>to restore game\n",fname);
204 nap(2000); c[GOLD]=c[BANKACCOUNT]=0; died(-265); return;
205 }
206
207 lrfill((char*)beenhere,MAXLEVEL+MAXVLEVEL);
208 for (k=0; k<MAXLEVEL+MAXVLEVEL; k++)
209 if (beenhere[k])
210 lrfill((char*)&cell[k*MAXX*MAXY],sizeof(struct cel)*MAXY*MAXX);
211
212 lrfill((char*)&c[0],100*sizeof(long)); gtime = lrint();
213 level = c[CAVELEVEL] = lgetc();
214 playerx = lgetc(); playery = lgetc();
215 lrfill((char*)iven,26); lrfill((char*)ivenarg,26*sizeof(short));
216 for (k=0; k<MAXSCROLL; k++) scrollname[k][0] = lgetc();
217 for (k=0; k<MAXPOTION; k++) potionname[k][0] = lgetc();
218 lrfill((char*)spelknow,SPNUM); wizard = lgetc();
219 rmst = lgetc(); /* random monster creation flag */
220
221 for (i=0; i<90; i++) itm[i].qty = lgetc();
222 lrfill((char*)course,25); cheat = lgetc();
223 if (VERSION != lgetc()) /* version number */
224 {
225 cheat=1;
226 lprcat("Sorry, But your save file is for an older version of larn\n");
227 nap(2000); c[GOLD]=c[BANKACCOUNT]=0; died(-266); return;
228 }
229
230 for (i=0; i<MAXMONST; i++) monster[i].genocided=lgetc(); /* genocide info */
231 for (sp=0,i=0; i<c[SPHCAST]; i++)
232 {
233 sp2 = sp;
234 sp = (struct sphere *)malloc(sizeof(struct sphere));
235 if (sp==0) { write(2,"Can't malloc() for sphere space\n",32); break; }
236 lrfill((char*)sp,sizeof(struct sphere)); /* get spheres of annihilation */
237 sp->p=0; /* null out pointer */
238 if (i==0) spheres=sp; /* beginning of list */
239 else sp2->p = sp;
240 }
241
242 time(&zzz);
243 initialtime = zzz-lrint();
244 fstat(fd,&filetimes); /* get the creation and modification time of file */
245 lrfill((char*)&zzz,sizeof(long)); zzz += 6;
246 if (filetimes.st_ctime > zzz) fsorry(); /* file create time */
247 else if (filetimes.st_mtime > zzz) fsorry(); /* file modify time */
248 if (c[HP]<0) { died(284); return; } /* died a post mortem death */
249
250 oldx = oldy = 0;
251 i = lrint(); /* inode # */
252 if (i && (filetimes.st_ino!=i)) fsorry();
253 lrclose();
254 if (strcmp(fname,ckpfile) == 0)
255 {
256 if (lappend(fname) < 0) fcheat(); else { lprc(' '); lwclose(); }
257 lcreat((char*)0);
258 }
259 else if (unlink(fname) < 0) fcheat(); /* can't unlink save file */
260/* for the greedy cheater checker */
261 for (k=0; k<6; k++) if (c[k]>99) greedy();
262 if (c[HPMAX]>999 || c[SPELLMAX]>125) greedy();
263 if (c[LEVEL]==25 && c[EXPERIENCE]>skill[24]) /* if patch up lev 25 player */
264 {
265 long tmp;
266 tmp = c[EXPERIENCE]-skill[24]; /* amount to go up */
267 c[EXPERIENCE] = skill[24];
268 raiseexperience((long)tmp);
269 }
270 getlevel(); lasttime=gtime;
271 }
272
273/*
274 subroutine to not allow greedy cheaters
275 */
276greedy()
277 {
278#if WIZID
279 if (wizard) return;
280#endif
281
282 lprcat("\n\nI am so sorry, but your character is a little TOO good! Since this\n");
283 lprcat("cannot normally happen from an honest game, I must assume that you cheated.\n");
284 lprcat("In that you are GREEDY as well as a CHEATER, I cannot allow this game\n");
285 lprcat("to continue.\n"); nap(5000); c[GOLD]=c[BANKACCOUNT]=0; died(-267); return;
286 }
287
288/*
289 subroutine to not allow altered save files and terminate the attempted
290 restart
291 */
292fsorry()
293 {
294 lprcat("\nSorry, but your savefile has been altered.\n");
295 lprcat("However, seeing as I am a good sport, I will let you play.\n");
296 lprcat("Be advised though, you won't be placed on the normal scoreboard.");
297 cheat = 1; nap(4000);
298 }
299
300/*
301 subroutine to not allow game if save file can't be deleted
302 */
303fcheat()
304 {
305#if WIZID
306 if (wizard) return;
307#endif
308
309 lprcat("\nSorry, but your savefile can't be deleted. This can only mean\n");
310 lprcat("that you tried to CHEAT by protecting the directory the savefile\n");
311 lprcat("is in. Since this is unfair to the rest of the larn community, I\n");
312 lprcat("cannot let you play this game.\n");
313 nap(5000); c[GOLD]=c[BANKACCOUNT]=0; died(-268); return;
314 }