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" 7 extern int rmst, maxitm, lasttime; 8 9 static void greedy(void); 10 static void fsorry(void); 11 static void fcheat(void); 12 13 static struct tms cputime; 14 15 /* 16 *************************** 17 DIAG -- dungeon diagnostics 18 *************************** 19 20 subroutine to print out data for debugging 21 */ 22 #ifdef EXTRA 23 static int dcount(int); 24 static void drawdiagscreen(void); 25 26 static int rndcount[16]; 27 28 int 29 diag(void) 30 { 31 int i, j; 32 int hit, dam; 33 cursors(); 34 lwclose(); 35 if (lcreat(diagfile) < 0) { /* open the diagnostic file */ 36 lcreat(NULL); 37 lprcat("\ndiagnostic failure\n"); 38 return (-1); 39 } 40 41 write(1, "\nDiagnosing . . .\n", 18); 42 lprcat("\n\nBeginning of DIAG diagnostics ----------\n"); 43 44 /* for the character attributes */ 45 46 lprintf("\n\nPlayer attributes:\n\nHit points: %2d(%2d)", (long)c[HP], (long)c[HPMAX]); 47 lprintf("\ngold: %d Experience: %d Character level: %d Level in caverns: %d", 48 (long)c[GOLD], (long)c[EXPERIENCE], (long)c[LEVEL], (long)level); 49 lprintf("\nTotal types of monsters: %d", (long)MAXMONST + 8); 50 51 lprcat("\f\nHere's the dungeon:\n\n"); 52 53 i = level; 54 for (j = 0; j < MAXLEVEL + MAXVLEVEL; j++) { 55 newcavelevel(j); 56 lprintf("\nMaze for level %s:\n", levelname[level]); 57 diagdrawscreen(); 58 } 59 newcavelevel(i); 60 61 lprcat("\f\nNow for the monster data:\n\n"); 62 lprcat(" Monster Name LEV AC DAM ATT DEF GOLD HP EXP \n"); 63 lprcat("--------------------------------------------------------------------------\n"); 64 for (i = 0; i <= MAXMONST + 8; i++) { 65 lprintf("%19s %2d %3d ", monster[i].name, (long)monster[i].level, (long)monster[i].armorclass); 66 lprintf(" %3d %3d %3d ", (long)monster[i].damage, (long)monster[i].attack, (long)monster[i].defense); 67 lprintf("%6d %3d %6d\n", (long)monster[i].gold, (long)monster[i].hitpoints, (long)monster[i].experience); 68 } 69 70 lprcat("\n\nHere's a Table for the to hit percentages\n"); 71 lprcat("\n We will be assuming that players level = 2 * monster level"); 72 lprcat("\n and that the players dexterity and strength are 16."); 73 lprcat("\n to hit: if (rnd(22) < (2[monst AC] + your level + dex + WC/8 -1)/2) then hit"); 74 lprcat("\n damage = rund(8) + WC/2 + STR - c[HARDGAME] - 4"); 75 lprcat("\n to hit: if rnd(22) < to hit then player hits\n"); 76 lprcat("\n Each entry is as follows: to hit / damage / number hits to kill\n"); 77 lprcat("\n monster WC = 4 WC = 20 WC = 40"); 78 lprcat("\n---------------------------------------------------------------"); 79 for (i = 0; i <= MAXMONST + 8; i++) { 80 hit = 2 * monster[i].armorclass + 2 * monster[i].level + 16; 81 dam = 16 - c[HARDGAME]; 82 lprintf("\n%20s %2d/%2d/%2d %2d/%2d/%2d %2d/%2d/%2d", 83 monster[i].name, 84 (long)(hit / 2), (long)max(0, dam + 2), (long)(monster[i].hitpoints / (dam + 2) + 1), 85 (long)((hit + 2) / 2), (long)max(0, dam + 10), (long)(monster[i].hitpoints / (dam + 10) + 1), 86 (long)((hit + 5) / 2), (long)max(0, dam + 20), (long)(monster[i].hitpoints / (dam + 20) + 1)); 87 } 88 89 lprcat("\n\nHere's the list of available potions:\n\n"); 90 for (i = 0; i < MAXPOTION; i++) 91 lprintf("%20s\n", &potionhide[i][1]); 92 lprcat("\n\nHere's the list of available scrolls:\n\n"); 93 for (i = 0; i < MAXSCROLL; i++) 94 lprintf("%20s\n", &scrollhide[i][1]); 95 lprcat("\n\nHere's the spell list:\n\n"); 96 lprcat("spell name description\n"); 97 lprcat("-------------------------------------------------------------------------------------------\n\n"); 98 for (j = 0; j < SPNUM; j++) { 99 lprc(' '); 100 lprcat(spelcode[j]); 101 lprintf(" %21s %s\n", spelname[j], speldescript[j]); 102 } 103 104 lprcat("\n\nFor the c[] array:\n"); 105 for (j = 0; j < 100; j += 10) { 106 lprintf("\nc[%2d] = ", (long)j); 107 for (i = 0; i < 9; i++) 108 lprintf("%5d ", (long)c[i + j]); 109 } 110 111 lprcat("\n\nTest of random number generator ----------------"); 112 lprcat("\n for 25,000 calls divided into 16 slots\n\n"); 113 114 for (i = 0; i < 16; i++) 115 rndcount[i] = 0; 116 for (i = 0; i < 25000; i++) 117 rndcount[rund(16)]++; 118 for (i = 0; i < 16; i++) { 119 lprintf(" %5d", (long)rndcount[i]); 120 if (i == 7) 121 lprc('\n'); 122 } 123 124 lprcat("\n\n"); 125 lwclose(); 126 lcreat(NULL); 127 lprcat("Done Diagnosing . . ."); 128 return (0); 129 } 130 /* 131 subroutine to count the number of occurrences of an object 132 */ 133 static int 134 dcount(int l) 135 { 136 int i, j, p; 137 int k; 138 k = 0; 139 for (i = 0; i < MAXX; i++) 140 for (j = 0; j < MAXY; j++) 141 for (p = 0; p < MAXLEVEL; p++) 142 if (cell[p * MAXX * MAXY + i * MAXY + j].item == l) 143 k++; 144 return (k); 145 } 146 147 /* 148 subroutine to draw the whole screen as the player knows it 149 */ 150 static void 151 diagdrawscreen(void) 152 { 153 int i, j, k; 154 155 /* for the east west walls of this line */ 156 for (i = 0; i < MAXY; i++) { 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 to save the game in a file 169 */ 170 static time_t zzz = 0; 171 172 int 173 savegame(char *fname) 174 { 175 int i, k; 176 struct sphere *sp; 177 struct stat statbuf; 178 179 nosignal = 1; 180 lflush(); 181 savelevel(); 182 ointerest(); 183 if (lcreat(fname) < 0) { 184 lcreat(NULL); 185 lprintf("\nCan't open file <%s> to save game\n", fname); 186 nosignal = 0; 187 return (-1); 188 } 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)gtime); 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 /* save spheres of annihilation */ 219 for (sp = spheres; sp; sp = sp->p) 220 lwrite((char *)sp, sizeof(struct sphere)); 221 time(&zzz); 222 lprint((long)(zzz - initialtime)); 223 lwrite((char *)&zzz, sizeof(long)); 224 if (fstat(io_outfd, &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(NULL); 234 nosignal = 0; 235 return (0); 236 } 237 238 void 239 restoregame(char *fname) 240 { 241 int i, k; 242 struct sphere *sp, *sp2; 243 struct stat filetimes; 244 cursors(); 245 lprcat("\nRestoring . . ."); 246 lflush(); 247 if (lopen(fname) <= 0) { 248 lcreat(NULL); 249 lprintf("\nCan't open file <%s>to restore game\n", fname); 250 nap(2000); 251 c[GOLD] = c[BANKACCOUNT] = 0; 252 died(-265); 253 return; 254 } 255 lrfill((char *)beenhere, MAXLEVEL + MAXVLEVEL); 256 for (k = 0; k < MAXLEVEL + MAXVLEVEL; k++) 257 if (beenhere[k]) 258 lrfill((char *)&cell[k * MAXX * MAXY], sizeof(struct cel) * MAXY * MAXX); 259 260 lrfill((char *)&c[0], 100 * sizeof(long)); 261 gtime = lrint_x(); 262 level = c[CAVELEVEL] = lgetc(); 263 playerx = lgetc(); 264 playery = lgetc(); 265 lrfill((char *)iven, 26); 266 lrfill((char *)ivenarg, 26 * sizeof(short)); 267 for (k = 0; k < MAXSCROLL; k++) 268 scrollname[k] = lgetc() ? scrollhide[k] : ""; 269 for (k = 0; k < MAXPOTION; k++) 270 potionname[k] = lgetc() ? potionhide[k] : ""; 271 lrfill((char *)spelknow, SPNUM); 272 wizard = lgetc(); 273 rmst = lgetc(); /* random monster creation flag */ 274 275 for (i = 0; i < 90; i++) 276 itm_[i].qty = lgetc(); 277 lrfill((char *)course, 25); 278 cheat = lgetc(); 279 if (VERSION != lgetc()) { /* version number */ 280 cheat = 1; 281 lprcat("Sorry, But your save file is for an older version of larn\n"); 282 nap(2000); 283 c[GOLD] = c[BANKACCOUNT] = 0; 284 died(-266); 285 return; 286 } 287 288 for (i = 0; i < MAXMONST; i++) 289 monster[i].genocided = lgetc(); /* genocide info */ 290 for (sp = NULL, i = 0; i < c[SPHCAST]; i++) { 291 sp2 = sp; 292 sp = malloc(sizeof(struct sphere)); 293 if (sp == NULL) { 294 write(2, "Can't malloc() for sphere space\n", 32); 295 break; 296 } 297 /* get spheres of annihilation */ 298 lrfill((char *)sp, sizeof(struct sphere)); 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_x(); 308 /* get the creation and modification time of file */ 309 fstat(io_infd, &filetimes); 310 lrfill((char *)&zzz, sizeof(long)); 311 zzz += 6; 312 if (filetimes.st_ctime > zzz) /* file create time */ 313 fsorry(); 314 else if (filetimes.st_mtime > zzz) /* file modify time */ 315 fsorry(); 316 if (c[HP] < 0) { 317 died(284); 318 return; 319 } /* died a post mortem death */ 320 321 oldx = oldy = 0; 322 i = lrint_x(); /* inode # */ 323 if (i && (filetimes.st_ino != (unsigned)i)) 324 fsorry(); 325 lrclose(); 326 if (strcmp(fname, ckpfile) == 0) { 327 if (lappend(fname) < 0) 328 fcheat(); 329 else { 330 lprc(' '); 331 lwclose(); 332 } 333 lcreat(NULL); 334 } else if (unlink(fname) < 0) 335 fcheat(); /* can't unlink save file */ 336 /* for the greedy cheater checker */ 337 for (k = 0; k < 6; k++) 338 if (c[k] > 99) 339 greedy(); 340 if (c[HPMAX] > 999 || c[SPELLMAX] > 125) 341 greedy(); 342 /* if patch up lev 25 player */ 343 if (c[LEVEL] == 25 && c[EXPERIENCE] > skill[24]) { 344 long tmp; 345 tmp = c[EXPERIENCE] - skill[24]; /* amount to go up */ 346 c[EXPERIENCE] = skill[24]; 347 raiseexperience((long)tmp); 348 } 349 getlevel(); 350 lasttime = gtime; 351 } 352 353 /* 354 subroutine to not allow greedy cheaters 355 */ 356 static void 357 greedy(void) 358 { 359 #ifdef WIZID 360 if (wizard) 361 return; 362 #endif 363 364 lprcat("\n\nI am so sorry, but your character is a little TOO good! Since this\n"); 365 lprcat("cannot normally happen from an honest game, I must assume that you cheated.\n"); 366 lprcat("In that you are GREEDY as well as a CHEATER, I cannot allow this game\n"); 367 lprcat("to continue.\n"); 368 nap(5000); 369 c[GOLD] = c[BANKACCOUNT] = 0; 370 died(-267); 371 } 372 373 /* 374 subroutine to not allow altered save files and terminate the attempted 375 restart 376 */ 377 static void 378 fsorry(void) 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 static void 391 fcheat(void) 392 { 393 #ifdef 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 } 406