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kernel - Restore ability to thaw checkpoints
[dragonfly.git] / games / larn / diag.c
blob73913b7332792fe0ae4c819eaaab78652d69aed8
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 /* $DragonFly: src/games/larn/diag.c,v 1.5 2006/08/26 17:05:05 pavalos Exp $ */
4 #include <sys/types.h>
5 #include <sys/times.h>
6 #include <sys/stat.h>
7 #include "header.h"
8 extern int rmst, maxitm, lasttime;
9
10 static void greedy(void);
11 static void fsorry(void);
12 static void fcheat(void);
13
14 static struct tms cputime;
15
16 /*
17 ***************************
18 DIAG -- dungeon diagnostics
19 ***************************
20
21 subroutine to print out data for debugging
22 */
23 #ifdef EXTRA
24 static int dcount(int);
25 static void drawdiagscreen(void);
26
27 static int rndcount[16];
28
29 int
30 diag(void)
31 {
32 int i, j;
33 int hit, dam;
34 cursors();
35 lwclose();
36 if (lcreat(diagfile) < 0) { /* open the diagnostic file */
37 lcreat(NULL);
38 lprcat("\ndiagnostic failure\n");
39 return (-1);
40 }
41
42 write(1, "\nDiagnosing . . .\n", 18);
43 lprcat("\n\nBeginning of DIAG diagnostics ----------\n");
44
45 /* for the character attributes */
46
47 lprintf("\n\nPlayer attributes:\n\nHit points: %2d(%2d)", (long)c[HP], (long)c[HPMAX]);
48 lprintf("\ngold: %d Experience: %d Character level: %d Level in caverns: %d",
49 (long)c[GOLD], (long)c[EXPERIENCE], (long)c[LEVEL], (long)level);
50 lprintf("\nTotal types of monsters: %d", (long)MAXMONST + 8);
51
52 lprcat("\f\nHere's the dungeon:\n\n");
53
54 i = level;
55 for (j = 0; j < MAXLEVEL + MAXVLEVEL; j++) {
56 newcavelevel(j);
57 lprintf("\nMaze for level %s:\n", levelname[level]);
58 diagdrawscreen();
59 }
60 newcavelevel(i);
61
62 lprcat("\f\nNow for the monster data:\n\n");
63 lprcat(" Monster Name LEV AC DAM ATT DEF GOLD HP EXP \n");
64 lprcat("--------------------------------------------------------------------------\n");
65 for (i = 0; i <= MAXMONST + 8; i++) {
66 lprintf("%19s %2d %3d ", monster[i].name, (long)monster[i].level, (long)monster[i].armorclass);
67 lprintf(" %3d %3d %3d ", (long)monster[i].damage, (long)monster[i].attack, (long)monster[i].defense);
68 lprintf("%6d %3d %6d\n", (long)monster[i].gold, (long)monster[i].hitpoints, (long)monster[i].experience);
69 }
70
71 lprcat("\n\nHere's a Table for the to hit percentages\n");
72 lprcat("\n We will be assuming that players level = 2 * monster level");
73 lprcat("\n and that the players dexterity and strength are 16.");
74 lprcat("\n to hit: if (rnd(22) < (2[monst AC] + your level + dex + WC/8 -1)/2) then hit");
75 lprcat("\n damage = rund(8) + WC/2 + STR - c[HARDGAME] - 4");
76 lprcat("\n to hit: if rnd(22) < to hit then player hits\n");
77 lprcat("\n Each entry is as follows: to hit / damage / number hits to kill\n");
78 lprcat("\n monster WC = 4 WC = 20 WC = 40");
79 lprcat("\n---------------------------------------------------------------");
80 for (i = 0; i <= MAXMONST + 8; i++) {
81 hit = 2 * monster[i].armorclass + 2 * monster[i].level + 16;
82 dam = 16 - c[HARDGAME];
83 lprintf("\n%20s %2d/%2d/%2d %2d/%2d/%2d %2d/%2d/%2d",
84 monster[i].name,
85 (long)(hit / 2), (long)max(0, dam + 2), (long)(monster[i].hitpoints / (dam + 2) + 1),
86 (long)((hit + 2) / 2), (long)max(0, dam + 10), (long)(monster[i].hitpoints / (dam + 10) + 1),
87 (long)((hit + 5) / 2), (long)max(0, dam + 20), (long)(monster[i].hitpoints / (dam + 20) + 1));
88 }
89
90 lprcat("\n\nHere's the list of available potions:\n\n");
91 for (i = 0; i < MAXPOTION; i++)
92 lprintf("%20s\n", &potionhide[i][1]);
93 lprcat("\n\nHere's the list of available scrolls:\n\n");
94 for (i = 0; i < MAXSCROLL; i++)
95 lprintf("%20s\n", &scrollhide[i][1]);
96 lprcat("\n\nHere's the spell list:\n\n");
97 lprcat("spell name description\n");
98 lprcat("-------------------------------------------------------------------------------------------\n\n");
99 for (j = 0; j < SPNUM; j++) {
100 lprc(' ');
101 lprcat(spelcode[j]);
102 lprintf(" %21s %s\n", spelname[j], speldescript[j]);
103 }
104
105 lprcat("\n\nFor the c[] array:\n");
106 for (j = 0; j < 100; j += 10) {
107 lprintf("\nc[%2d] = ", (long)j);
108 for (i = 0; i < 9; i++)
109 lprintf("%5d ", (long)c[i + j]);
110 }
111
112 lprcat("\n\nTest of random number generator ----------------");
113 lprcat("\n for 25,000 calls divided into 16 slots\n\n");
114
115 for (i = 0; i < 16; i++)
116 rndcount[i] = 0;
117 for (i = 0; i < 25000; i++)
118 rndcount[rund(16)]++;
119 for (i = 0; i < 16; i++) {
120 lprintf(" %5d", (long)rndcount[i]);
121 if (i == 7)
122 lprc('\n');
123 }
124
125 lprcat("\n\n");
126 lwclose();
127 lcreat(NULL);
128 lprcat("Done Diagnosing . . .");
129 return (0);
130 }
131 /*
132 subroutine to count the number of occurrences of an object
133 */
134 static int
135 dcount(int l)
136 {
137 int i, j, p;
138 int k;
139 k = 0;
140 for (i = 0; i < MAXX; i++)
141 for (j = 0; j < MAXY; j++)
142 for (p = 0; p < MAXLEVEL; p++)
143 if (cell[p * MAXX * MAXY + i * MAXY + j].item == l)
144 k++;
145 return (k);
146 }
147
148 /*
149 subroutine to draw the whole screen as the player knows it
150 */
151 static void
152 diagdrawscreen(void)
153 {
154 int i, j, k;
155
156 /* for the east west walls of this line */
157 for (i = 0; i < MAXY; i++) {
158 for (j = 0; j < MAXX; j++)
159 if (k = mitem[j][i])
160 lprc(monstnamelist[k]);
161 else
162 lprc(objnamelist[item[j][i]]);
163 lprc('\n');
164 }
165 }
166 #endif
167
168 /*
169 to save the game in a file
170 */
171 static time_t zzz = 0;
172
173 int
174 savegame(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(NULL);
186 lprintf("\nCan't open file <%s> to save game\n", fname);
187 nosignal = 0;
188 return (-1);
189 }
190
191 set_score_output();
192 lwrite((char *)beenhere, MAXLEVEL + MAXVLEVEL);
193 for (k = 0; k < MAXLEVEL + MAXVLEVEL; k++)
194 if (beenhere[k])
195 lwrite((char *)&cell[k * MAXX * MAXY], sizeof(struct cel) * MAXY * MAXX);
196 times(&cputime); /* get cpu time */
197 c[CPUTIME] += (cputime.tms_utime + cputime.tms_stime) / 60;
198 lwrite((char *)&c[0], 100 * sizeof(long));
199 lprint((long)gtime);
200 lprc(level);
201 lprc(playerx);
202 lprc(playery);
203 lwrite((char *)iven, 26);
204 lwrite((char *)ivenarg, 26 * sizeof(short));
205 for (k = 0; k < MAXSCROLL; k++)
206 lprc(scrollname[k][0]);
207 for (k = 0; k < MAXPOTION; k++)
208 lprc(potionname[k][0]);
209 lwrite((char *)spelknow, SPNUM);
210 lprc(wizard);
211 lprc(rmst); /* random monster generation counter */
212 for (i = 0; i < 90; i++)
213 lprc(itm_[i].qty);
214 lwrite((char *)course, 25);
215 lprc(cheat);
216 lprc(VERSION);
217 for (i = 0; i < MAXMONST; i++)
218 lprc(monster[i].genocided); /* genocide info */
219 /* save spheres of annihilation */
220 for (sp = spheres; sp; sp = sp->p)
221 lwrite((char *)sp, sizeof(struct sphere));
222 time(&zzz);
223 lprint((long)(zzz - initialtime));
224 lwrite((char *)&zzz, sizeof(long));
225 if (fstat(io_outfd, &statbuf) < 0)
226 lprint(0L);
227 else
228 lprint((long)statbuf.st_ino); /* inode # */
229 lwclose();
230 lastmonst[0] = 0;
231 #ifndef VT100
232 setscroll();
233 #endif /* VT100 */
234 lcreat(NULL);
235 nosignal = 0;
236 return (0);
237 }
238
239 void
240 restoregame(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(NULL);
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 gtime = lrint_x();
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
289 for (i = 0; i < MAXMONST; i++)
290 monster[i].genocided = lgetc(); /* genocide info */
291 for (sp = 0, i = 0; i < c[SPHCAST]; i++) {
292 sp2 = sp;
293 sp = malloc(sizeof(struct sphere));
294 if (sp == 0) {
295 write(2, "Can't malloc() for sphere space\n", 32);
296 break;
297 }
298 /* get spheres of annihilation */
299 lrfill((char *)sp, sizeof(struct sphere));
300 sp->p = 0; /* null out pointer */
301 if (i == 0)
302 spheres = sp; /* beginning of list */
303 else
304 sp2->p = sp;
305 }
306
307 time(&zzz);
308 initialtime = zzz - lrint_x();
309 /* get the creation and modification time of file */
310 fstat(io_infd, &filetimes);
311 lrfill((char *)&zzz, sizeof(long));
312 zzz += 6;
313 if (filetimes.st_ctime > zzz) /* file create time */
314 fsorry();
315 else if (filetimes.st_mtime > zzz) /* file modify time */
316 fsorry();
317 if (c[HP] < 0) {
318 died(284);
319 return;
320 } /* died a post mortem death */
321
322 oldx = oldy = 0;
323 i = lrint_x(); /* inode # */
324 if (i && (filetimes.st_ino != (unsigned)i))
325 fsorry();
326 lrclose();
327 if (strcmp(fname, ckpfile) == 0) {
328 if (lappend(fname) < 0)
329 fcheat();
330 else {
331 lprc(' ');
332 lwclose();
333 }
334 lcreat(NULL);
335 } else if (unlink(fname) < 0)
336 fcheat(); /* can't unlink save file */
337 /* for the greedy cheater checker */
338 for (k = 0; k < 6; k++)
339 if (c[k] > 99)
340 greedy();
341 if (c[HPMAX] > 999 || c[SPELLMAX] > 125)
342 greedy();
343 /* if patch up lev 25 player */
344 if (c[LEVEL] == 25 && c[EXPERIENCE] > skill[24]) {
345 long tmp;
346 tmp = c[EXPERIENCE] - skill[24]; /* amount to go up */
347 c[EXPERIENCE] = skill[24];
348 raiseexperience((long)tmp);
349 }
350 getlevel();
351 lasttime = gtime;
352 }
353
354 /*
355 subroutine to not allow greedy cheaters
356 */
357 static void
358 greedy(void)
359 {
360 #if WIZID
361 if (wizard)
362 return;
363 #endif
364
365 lprcat("\n\nI am so sorry, but your character is a little TOO good! Since this\n");
366 lprcat("cannot normally happen from an honest game, I must assume that you cheated.\n");
367 lprcat("In that you are GREEDY as well as a CHEATER, I cannot allow this game\n");
368 lprcat("to continue.\n");
369 nap(5000);
370 c[GOLD] = c[BANKACCOUNT] = 0;
371 died(-267);
372 }
373
374 /*
375 subroutine to not allow altered save files and terminate the attempted
376 restart
377 */
378 static void
379 fsorry(void)
380 {
381 lprcat("\nSorry, but your savefile has been altered.\n");
382 lprcat("However, seeing as I am a good sport, I will let you play.\n");
383 lprcat("Be advised though, you won't be placed on the normal scoreboard.");
384 cheat = 1;
385 nap(4000);
386 }
387
388 /*
389 subroutine to not allow game if save file can't be deleted
390 */
391 static void
392 fcheat(void)
393 {
394 #if WIZID
395 if (wizard)
396 return;
397 #endif
398
399 lprcat("\nSorry, but your savefile can't be deleted. This can only mean\n");
400 lprcat("that you tried to CHEAT by protecting the directory the savefile\n");
401 lprcat("is in. Since this is unfair to the rest of the larn community, I\n");
402 lprcat("cannot let you play this game.\n");
403 nap(5000);
404 c[GOLD] = c[BANKACCOUNT] = 0;
405 died(-268);
406 }
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