1 /* $NetBSD: diag.c,v 1.9 2000/07/03 03:57:42 matt 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 1.9 2000/07/03 03:57:42 matt 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 = 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 - 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 = 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 } 407