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