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 } 407