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lrint() -> larn_lrint().
[bsdgames-darwin.git] / larn / diag.c
1 /* $NetBSD: diag.c,v 1.10 2006/05/11 10:23:24 mrg Exp $ */
2
3 /* diag.c Larn is copyrighted 1986 by Noah Morgan. */
4 #include <sys/cdefs.h>
5 #ifndef lint
6 __RCSID("$NetBSD: diag.c,v 1.10 2006/05/11 10:23:24 mrg Exp $");
7 #endif /* not lint */
8
9 #include <sys/types.h>
10 #include <sys/times.h>
11 #include <sys/stat.h>
12 #include <stdlib.h>
13 #include <string.h>
14 #include <unistd.h>
15 #include "header.h"
16 #include "extern.h"
17 static struct tms cputime;
18 /*
19 ***************************
20 DIAG -- dungeon diagnostics
21 ***************************
22
23 subroutine to print out data for debugging
24 */
25 #ifdef EXTRA
26 static int rndcount[16];
27 void
28 diag()
29 {
30 int i, j;
31 int hit, dam;
32 cursors();
33 lwclose();
34 if (lcreat(diagfile) < 0) { /* open the diagnostic file */
35 lcreat((char *) 0);
36 lprcat("\ndiagnostic failure\n");
37 return (-1);
38 }
39 write(1, "\nDiagnosing . . .\n", 18);
40 lprcat("\n\nBeginning of DIAG diagnostics ----------\n");
41
42 /* for the character attributes */
43
44 lprintf("\n\nPlayer attributes:\n\nHit points: %2d(%2d)", (long) c[HP], (long) c[HPMAX]);
45 lprintf("\ngold: %d Experience: %d Character level: %d Level in caverns: %d",
46 (long) c[GOLD], (long) c[EXPERIENCE], (long) c[LEVEL], (long) level);
47 lprintf("\nTotal types of monsters: %d", (long) MAXMONST + 8);
48
49 lprcat("\f\nHere's the dungeon:\n\n");
50
51 i = level;
52 for (j = 0; j < MAXLEVEL + MAXVLEVEL; j++) {
53 newcavelevel(j);
54 lprintf("\nMaze for level %s:\n", levelname[level]);
55 diagdrawscreen();
56 }
57 newcavelevel(i);
58
59 lprcat("\f\nNow for the monster data:\n\n");
60 lprcat(" Monster Name LEV AC DAM ATT DEF GOLD HP EXP \n");
61 lprcat("--------------------------------------------------------------------------\n");
62 for (i = 0; i <= MAXMONST + 8; i++) {
63 lprintf("%19s %2d %3d ", monster[i].name, (long) monster[i].level, (long) monster[i].armorclass);
64 lprintf(" %3d %3d %3d ", (long) monster[i].damage, (long) monster[i].attack, (long) monster[i].defense);
65 lprintf("%6d %3d %6d\n", (long) monster[i].gold, (long) monster[i].hitpoints, (long) monster[i].experience);
66 }
67
68 lprcat("\n\nHere's a Table for the to hit percentages\n");
69 lprcat("\n We will be assuming that players level = 2 * monster level");
70 lprcat("\n and that the players dexterity and strength are 16.");
71 lprcat("\n to hit: if (rnd(22) < (2[monst AC] + your level + dex + WC/8 -1)/2) then hit");
72 lprcat("\n damage = rund(8) + WC/2 + STR - c[HARDGAME] - 4");
73 lprcat("\n to hit: if rnd(22) < to hit then player hits\n");
74 lprcat("\n Each entry is as follows: to hit / damage / number hits to kill\n");
75 lprcat("\n monster WC = 4 WC = 20 WC = 40");
76 lprcat("\n---------------------------------------------------------------");
77 for (i = 0; i <= MAXMONST + 8; i++) {
78 hit = 2 * monster[i].armorclass + 2 * monster[i].level + 16;
79 dam = 16 - c[HARDGAME];
80 lprintf("\n%20s %2d/%2d/%2d %2d/%2d/%2d %2d/%2d/%2d",
81 monster[i].name,
82 (long) (hit / 2), (long) max(0, dam + 2), (long) (monster[i].hitpoints / (dam + 2) + 1),
83 (long) ((hit + 2) / 2), (long) max(0, dam + 10), (long) (monster[i].hitpoints / (dam + 10) + 1),
84 (long) ((hit + 5) / 2), (long) max(0, dam + 20), (long) (monster[i].hitpoints / (dam + 20) + 1));
85 }
86
87 lprcat("\n\nHere's the list of available potions:\n\n");
88 for (i = 0; i < MAXPOTION; i++)
89 lprintf("%20s\n", &potionhide[i][1]);
90 lprcat("\n\nHere's the list of available scrolls:\n\n");
91 for (i = 0; i < MAXSCROLL; i++)
92 lprintf("%20s\n", &scrollhide[i][1]);
93 lprcat("\n\nHere's the spell list:\n\n");
94 lprcat("spell name description\n");
95 lprcat("-------------------------------------------------------------------------------------------\n\n");
96 for (j = 0; j < SPNUM; j++) {
97 lprc(' ');
98 lprcat(spelcode[j]);
99 lprintf(" %21s %s\n", spelname[j], speldescript[j]);
100 }
101
102 lprcat("\n\nFor the c[] array:\n");
103 for (j = 0; j < 100; j += 10) {
104 lprintf("\nc[%2d] = ", (long) j);
105 for (i = 0; i < 9; i++)
106 lprintf("%5d ", (long) c[i + j]);
107 }
108
109 lprcat("\n\nTest of random number generator ----------------");
110 lprcat("\n for 25,000 calls divided into 16 slots\n\n");
111
112 for (i = 0; i < 16; i++)
113 rndcount[i] = 0;
114 for (i = 0; i < 25000; i++)
115 rndcount[rund(16)]++;
116 for (i = 0; i < 16; i++) {
117 lprintf(" %5d", (long) rndcount[i]);
118 if (i == 7)
119 lprc('\n');
120 }
121
122 lprcat("\n\n");
123 lwclose();
124 lcreat((char *) 0);
125 lprcat("Done Diagnosing . . .");
126 return (0);
127 }
128 /*
129 subroutine to count the number of occurrences of an object
130 */
131 int
132 dcount(l)
133 int l;
134 {
135 int i, j, p;
136 int k;
137 k = 0;
138 for (i = 0; i < MAXX; i++)
139 for (j = 0; j < MAXY; j++)
140 for (p = 0; p < MAXLEVEL; p++)
141 if (cell[p * MAXX * MAXY + i * MAXY + j].item == l)
142 k++;
143 return (k);
144 }
145
146 /*
147 subroutine to draw the whole screen as the player knows it
148 */
149 void
150 diagdrawscreen()
151 {
152 int i, j, k;
153
154 for (i = 0; i < MAXY; i++)
155 /* for the east west walls of this line */
156 {
157 for (j = 0; j < MAXX; j++)
158 if (k = mitem[j][i])
159 lprc(monstnamelist[k]);
160 else
161 lprc(objnamelist[item[j][i]]);
162 lprc('\n');
163 }
164 }
165 #endif
166
167
168 /*
169 to save the game in a file
170 */
171 static time_t zzz = 0;
172 int
173 savegame(fname)
174 char *fname;
175 {
176 int i, k;
177 struct sphere *sp;
178 struct stat statbuf;
179
180 nosignal = 1;
181 lflush();
182 savelevel();
183 ointerest();
184 if (lcreat(fname) < 0) {
185 lcreat((char *) 0);
186 lprintf("\nCan't open file <%s> to save game\n", fname);
187 nosignal = 0;
188 return (-1);
189 }
190 set_score_output();
191 lwrite((char *) beenhere, MAXLEVEL + MAXVLEVEL);
192 for (k = 0; k < MAXLEVEL + MAXVLEVEL; k++)
193 if (beenhere[k])
194 lwrite((char *) &cell[k * MAXX * MAXY], sizeof(struct cel) * MAXY * MAXX);
195 times(&cputime); /* get cpu time */
196 c[CPUTIME] += (cputime.tms_utime + cputime.tms_stime) / 60;
197 lwrite((char *) &c[0], 100 * sizeof(long));
198 lprint((long) gltime);
199 lprc(level);
200 lprc(playerx);
201 lprc(playery);
202 lwrite((char *) iven, 26);
203 lwrite((char *) ivenarg, 26 * sizeof(short));
204 for (k = 0; k < MAXSCROLL; k++)
205 lprc(scrollname[k][0]);
206 for (k = 0; k < MAXPOTION; k++)
207 lprc(potionname[k][0]);
208 lwrite((char *) spelknow, SPNUM);
209 lprc(wizard);
210 lprc(rmst); /* random monster generation counter */
211 for (i = 0; i < 90; i++)
212 lprc(itm[i].qty);
213 lwrite((char *) course, 25);
214 lprc(cheat);
215 lprc(VERSION);
216 for (i = 0; i < MAXMONST; i++)
217 lprc(monster[i].genocided); /* genocide info */
218 for (sp = spheres; sp; sp = sp->p)
219 lwrite((char *) sp, sizeof(struct sphere)); /* save spheres of
220 * annihilation */
221 time(&zzz);
222 lprint((long) (zzz - initialtime));
223 lwrite((char *) &zzz, sizeof(long));
224 if (fstat(lfd, &statbuf) < 0)
225 lprint(0L);
226 else
227 lprint((long) statbuf.st_ino); /* inode # */
228 lwclose();
229 lastmonst[0] = 0;
230 #ifndef VT100
231 setscroll();
232 #endif /* VT100 */
233 lcreat((char *) 0);
234 nosignal = 0;
235 return (0);
236 }
237
238 void
239 restoregame(fname)
240 char *fname;
241 {
242 int i, k;
243 struct sphere *sp, *sp2;
244 struct stat filetimes;
245 cursors();
246 lprcat("\nRestoring . . .");
247 lflush();
248 if (lopen(fname) <= 0) {
249 lcreat((char *) 0);
250 lprintf("\nCan't open file <%s>to restore game\n", fname);
251 nap(2000);
252 c[GOLD] = c[BANKACCOUNT] = 0;
253 died(-265);
254 return;
255 }
256 lrfill((char *) beenhere, MAXLEVEL + MAXVLEVEL);
257 for (k = 0; k < MAXLEVEL + MAXVLEVEL; k++)
258 if (beenhere[k])
259 lrfill((char *) &cell[k * MAXX * MAXY], sizeof(struct cel) * MAXY * MAXX);
260
261 lrfill((char *) &c[0], 100 * sizeof(long));
262 gltime = larn_lrint();
263 level = c[CAVELEVEL] = lgetc();
264 playerx = lgetc();
265 playery = lgetc();
266 lrfill((char *) iven, 26);
267 lrfill((char *) ivenarg, 26 * sizeof(short));
268 for (k = 0; k < MAXSCROLL; k++)
269 scrollname[k] = lgetc() ? scrollhide[k] : "";
270 for (k = 0; k < MAXPOTION; k++)
271 potionname[k] = lgetc() ? potionhide[k] : "";
272 lrfill((char *) spelknow, SPNUM);
273 wizard = lgetc();
274 rmst = lgetc(); /* random monster creation flag */
275
276 for (i = 0; i < 90; i++)
277 itm[i].qty = lgetc();
278 lrfill((char *) course, 25);
279 cheat = lgetc();
280 if (VERSION != lgetc()) { /* version number */
281 cheat = 1;
282 lprcat("Sorry, But your save file is for an older version of larn\n");
283 nap(2000);
284 c[GOLD] = c[BANKACCOUNT] = 0;
285 died(-266);
286 return;
287 }
288 for (i = 0; i < MAXMONST; i++)
289 monster[i].genocided = lgetc(); /* genocide info */
290 for (sp = 0, i = 0; i < c[SPHCAST]; i++) {
291 sp2 = sp;
292 sp = (struct sphere *) malloc(sizeof(struct sphere));
293 if (sp == 0) {
294 write(2, "Can't malloc() for sphere space\n", 32);
295 break;
296 }
297 lrfill((char *) sp, sizeof(struct sphere)); /* get spheres of
298 * annihilation */
299 sp->p = 0; /* null out pointer */
300 if (i == 0)
301 spheres = sp; /* beginning of list */
302 else
303 sp2->p = sp;
304 }
305
306 time(&zzz);
307 initialtime = zzz - larn_lrint();
308 fstat(fd, &filetimes); /* get the creation and modification time of
309 * file */
310 lrfill((char *) &zzz, sizeof(long));
311 zzz += 6;
312 if (filetimes.st_ctime > zzz)
313 fsorry(); /* file create time */
314 else if (filetimes.st_mtime > zzz)
315 fsorry(); /* file modify time */
316 if (c[HP] < 0) {
317 died(284);
318 return;
319 } /* died a post mortem death */
320 oldx = oldy = 0;
321 i = larn_lrint(); /* inode # */
322 if (i && (filetimes.st_ino != i))
323 fsorry();
324 lrclose();
325 if (strcmp(fname, ckpfile) == 0) {
326 if (lappend(fname) < 0)
327 fcheat();
328 else {
329 lprc(' ');
330 lwclose();
331 }
332 lcreat((char *) 0);
333 } else if (unlink(fname) < 0)
334 fcheat(); /* can't unlink save file */
335 /* for the greedy cheater checker */
336 for (k = 0; k < 6; k++)
337 if (c[k] > 99)
338 greedy();
339 if (c[HPMAX] > 999 || c[SPELLMAX] > 125)
340 greedy();
341 if (c[LEVEL] == 25 && c[EXPERIENCE] > skill[24]) { /* if patch up lev 25
342 * player */
343 long tmp;
344 tmp = c[EXPERIENCE] - skill[24]; /* amount to go up */
345 c[EXPERIENCE] = skill[24];
346 raiseexperience((long) tmp);
347 }
348 getlevel();
349 lasttime = gltime;
350 }
351
352 /*
353 subroutine to not allow greedy cheaters
354 */
355 void
356 greedy()
357 {
358 #if WIZID
359 if (wizard)
360 return;
361 #endif
362
363 lprcat("\n\nI am so sorry, but your character is a little TOO good! Since this\n");
364 lprcat("cannot normally happen from an honest game, I must assume that you cheated.\n");
365 lprcat("In that you are GREEDY as well as a CHEATER, I cannot allow this game\n");
366 lprcat("to continue.\n");
367 nap(5000);
368 c[GOLD] = c[BANKACCOUNT] = 0;
369 died(-267);
370 return;
371 }
372
373 /*
374 subroutine to not allow altered save files and terminate the attempted
375 restart
376 */
377 void
378 fsorry()
379 {
380 lprcat("\nSorry, but your savefile has been altered.\n");
381 lprcat("However, seeing as I am a good sport, I will let you play.\n");
382 lprcat("Be advised though, you won't be placed on the normal scoreboard.");
383 cheat = 1;
384 nap(4000);
385 }
386
387 /*
388 subroutine to not allow game if save file can't be deleted
389 */
390 void
391 fcheat()
392 {
393 #if WIZID
394 if (wizard)
395 return;
396 #endif
397
398 lprcat("\nSorry, but your savefile can't be deleted. This can only mean\n");
399 lprcat("that you tried to CHEAT by protecting the directory the savefile\n");
400 lprcat("is in. Since this is unfair to the rest of the larn community, I\n");
401 lprcat("cannot let you play this game.\n");
402 nap(5000);
403 c[GOLD] = c[BANKACCOUNT] = 0;
404 died(-268);
405 return;
406 }
Port of NetBSD games to Darwin