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 1.4 2006/01/22 03:43:37 swildner 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 extern char nosignal; 10 static struct tms cputime; 11 /* 12 *************************** 13 DIAG -- dungeon diagnostics 14 *************************** 15 16 subroutine to print out data for debugging 17 */ 18 #ifdef EXTRA 19 static int rndcount[16]; 20 diag() 21 { 22 int i,j; 23 int hit,dam; 24 cursors(); lwclose(); 25 if (lcreat(diagfile) < 0) /* open the diagnostic file */ 26 { 27 lcreat((char*)0); lprcat("\ndiagnostic failure\n"); return(-1); 28 } 29 30 write(1,"\nDiagnosing . . .\n",18); 31 lprcat("\n\nBeginning of DIAG diagnostics ----------\n"); 32 33 /* for the character attributes */ 34 35 lprintf("\n\nPlayer attributes:\n\nHit points: %2d(%2d)",(long)c[HP],(long)c[HPMAX]); 36 lprintf("\ngold: %d Experience: %d Character level: %d Level in caverns: %d", 37 (long)c[GOLD],(long)c[EXPERIENCE],(long)c[LEVEL],(long)level); 38 lprintf("\nTotal types of monsters: %d",(long)MAXMONST+8); 39 40 lprcat("\f\nHere's the dungeon:\n\n"); 41 42 i=level; 43 for (j=0; j<MAXLEVEL+MAXVLEVEL; j++) 44 { 45 newcavelevel(j); 46 lprintf("\nMaze for level %s:\n",levelname[level]); 47 diagdrawscreen(); 48 } 49 newcavelevel(i); 50 51 lprcat("\f\nNow for the monster data:\n\n"); 52 lprcat(" Monster Name LEV AC DAM ATT DEF GOLD HP EXP \n"); 53 lprcat("--------------------------------------------------------------------------\n"); 54 for (i=0; i<=MAXMONST+8; i++) 55 { 56 lprintf("%19s %2d %3d ",monster[i].name,(long)monster[i].level,(long)monster[i].armorclass); 57 lprintf(" %3d %3d %3d ",(long)monster[i].damage,(long)monster[i].attack,(long)monster[i].defense); 58 lprintf("%6d %3d %6d\n",(long)monster[i].gold,(long)monster[i].hitpoints,(long)monster[i].experience); 59 } 60 61 lprcat("\n\nHere's a Table for the to hit percentages\n"); 62 lprcat("\n We will be assuming that players level = 2 * monster level"); 63 lprcat("\n and that the players dexterity and strength are 16."); 64 lprcat("\n to hit: if (rnd(22) < (2[monst AC] + your level + dex + WC/8 -1)/2) then hit"); 65 lprcat("\n damage = rund(8) + WC/2 + STR - c[HARDGAME] - 4"); 66 lprcat("\n to hit: if rnd(22) < to hit then player hits\n"); 67 lprcat("\n Each entry is as follows: to hit / damage / number hits to kill\n"); 68 lprcat("\n monster WC = 4 WC = 20 WC = 40"); 69 lprcat("\n---------------------------------------------------------------"); 70 for (i=0; i<=MAXMONST+8; i++) 71 { 72 hit = 2*monster[i].armorclass+2*monster[i].level+16; 73 dam = 16 - c[HARDGAME]; 74 lprintf("\n%20s %2d/%2d/%2d %2d/%2d/%2d %2d/%2d/%2d", 75 monster[i].name, 76 (long)(hit/2),(long)max(0,dam+2),(long)(monster[i].hitpoints/(dam+2)+1), 77 (long)((hit+2)/2),(long)max(0,dam+10),(long)(monster[i].hitpoints/(dam+10)+1), 78 (long)((hit+5)/2),(long)max(0,dam+20),(long)(monster[i].hitpoints/(dam+20)+1)); 79 } 80 81 lprcat("\n\nHere's the list of available potions:\n\n"); 82 for (i=0; i<MAXPOTION; i++) lprintf("%20s\n",&potionname[i][1]); 83 lprcat("\n\nHere's the list of available scrolls:\n\n"); 84 for (i=0; i<MAXSCROLL; i++) lprintf("%20s\n",&scrollname[i][1]); 85 lprcat("\n\nHere's the spell list:\n\n"); 86 lprcat("spell name description\n"); 87 lprcat("-------------------------------------------------------------------------------------------\n\n"); 88 for (j=0; j<SPNUM; j++) 89 { 90 lprc(' '); lprcat(spelcode[j]); 91 lprintf(" %21s %s\n",spelname[j],speldescript[j]); 92 } 93 94 lprcat("\n\nFor the c[] array:\n"); 95 for (j=0; j<100; j+=10) 96 { 97 lprintf("\nc[%2d] = ",(long)j); for (i=0; i<9; i++) lprintf("%5d ",(long)c[i+j]); 98 } 99 100 lprcat("\n\nTest of random number generator ----------------"); 101 lprcat("\n for 25,000 calls divided into 16 slots\n\n"); 102 103 for (i=0; i<16; i++) rndcount[i]=0; 104 for (i=0; i<25000; i++) rndcount[rund(16)]++; 105 for (i=0; i<16; i++) { lprintf(" %5d",(long)rndcount[i]); if (i==7) lprc('\n'); } 106 107 lprcat("\n\n"); lwclose(); 108 lcreat((char*)0); lprcat("Done Diagnosing . . ."); 109 return(0); 110 } 111 /* 112 subroutine to count the number of occurrences of an object 113 */ 114 dcount(l) 115 int l; 116 { 117 int i,j,p; 118 int k; 119 k=0; 120 for (i=0; i<MAXX; i++) 121 for (j=0; j<MAXY; j++) 122 for (p=0; p<MAXLEVEL; p++) 123 if (cell[p*MAXX*MAXY+i*MAXY+j].item == l) k++; 124 return(k); 125 } 126 127 /* 128 subroutine to draw the whole screen as the player knows it 129 */ 130 diagdrawscreen() 131 { 132 int i,j,k; 133 134 for (i=0; i<MAXY; i++) 135 136 /* for the east west walls of this line */ 137 { 138 for (j=0; j<MAXX; j++) if (k=mitem[j][i]) lprc(monstnamelist[k]); else 139 lprc(objnamelist[item[j][i]]); 140 lprc('\n'); 141 } 142 } 143 #endif 144 145 /* 146 to save the game in a file 147 */ 148 static time_t zzz=0; 149 savegame(fname) 150 char *fname; 151 { 152 int i,k; 153 struct sphere *sp; 154 struct stat statbuf; 155 nosignal=1; lflush(); savelevel(); 156 ointerest(); 157 if (lcreat(fname) < 0) 158 { 159 lcreat((char*)0); lprintf("\nCan't open file <%s> to save game\n",fname); 160 nosignal=0; return(-1); 161 } 162 163 set_score_output(); 164 lwrite((char*)beenhere,MAXLEVEL+MAXVLEVEL); 165 for (k=0; k<MAXLEVEL+MAXVLEVEL; k++) 166 if (beenhere[k]) 167 lwrite((char*)&cell[k*MAXX*MAXY],sizeof(struct cel)*MAXY*MAXX); 168 times(&cputime); /* get cpu time */ 169 c[CPUTIME] += (cputime.tms_utime+cputime.tms_stime)/60; 170 lwrite((char*)&c[0],100*sizeof(long)); 171 lprint((long)gtime); lprc(level); 172 lprc(playerx); lprc(playery); 173 lwrite((char*)iven,26); lwrite((char*)ivenarg,26*sizeof(short)); 174 for (k=0; k<MAXSCROLL; k++) lprc(scrollname[k][0]); 175 for (k=0; k<MAXPOTION; k++) lprc(potionname[k][0]); 176 lwrite((char*)spelknow,SPNUM); lprc(wizard); 177 lprc(rmst); /* random monster generation counter */ 178 for (i=0; i<90; i++) lprc(itm[i].qty); 179 lwrite((char*)course,25); lprc(cheat); lprc(VERSION); 180 for (i=0; i<MAXMONST; i++) lprc(monster[i].genocided); /* genocide info */ 181 for (sp=spheres; sp; sp=sp->p) 182 lwrite((char*)sp,sizeof(struct sphere)); /* save spheres of annihilation */ 183 time(&zzz); lprint((long)(zzz-initialtime)); 184 lwrite((char*)&zzz,sizeof(long)); 185 if (fstat(lfd,&statbuf)< 0) lprint(0L); 186 else lprint((long)statbuf.st_ino); /* inode # */ 187 lwclose(); lastmonst[0] = 0; 188 #ifndef VT100 189 setscroll(); 190 #endif /* VT100 */ 191 lcreat((char*)0); nosignal=0; 192 return(0); 193 } 194 195 restoregame(fname) 196 char *fname; 197 { 198 int i,k; 199 struct sphere *sp,*sp2; 200 struct stat filetimes; 201 cursors(); lprcat("\nRestoring . . ."); lflush(); 202 if (lopen(fname) <= 0) 203 { 204 lcreat((char*)0); lprintf("\nCan't open file <%s>to restore game\n",fname); 205 nap(2000); c[GOLD]=c[BANKACCOUNT]=0; died(-265); return; 206 } 207 208 lrfill((char*)beenhere,MAXLEVEL+MAXVLEVEL); 209 for (k=0; k<MAXLEVEL+MAXVLEVEL; k++) 210 if (beenhere[k]) 211 lrfill((char*)&cell[k*MAXX*MAXY],sizeof(struct cel)*MAXY*MAXX); 212 213 lrfill((char*)&c[0],100*sizeof(long)); gtime = lrint_x(); 214 level = c[CAVELEVEL] = lgetc(); 215 playerx = lgetc(); playery = lgetc(); 216 lrfill((char*)iven,26); lrfill((char*)ivenarg,26*sizeof(short)); 217 for (k=0; k<MAXSCROLL; k++) scrollname[k][0] = lgetc(); 218 for (k=0; k<MAXPOTION; k++) potionname[k][0] = lgetc(); 219 lrfill((char*)spelknow,SPNUM); wizard = lgetc(); 220 rmst = lgetc(); /* random monster creation flag */ 221 222 for (i=0; i<90; i++) itm[i].qty = lgetc(); 223 lrfill((char*)course,25); cheat = lgetc(); 224 if (VERSION != lgetc()) /* version number */ 225 { 226 cheat=1; 227 lprcat("Sorry, But your save file is for an older version of larn\n"); 228 nap(2000); c[GOLD]=c[BANKACCOUNT]=0; died(-266); return; 229 } 230 231 for (i=0; i<MAXMONST; i++) monster[i].genocided=lgetc(); /* genocide info */ 232 for (sp=0,i=0; i<c[SPHCAST]; i++) 233 { 234 sp2 = sp; 235 sp = (struct sphere *)malloc(sizeof(struct sphere)); 236 if (sp==0) { write(2,"Can't malloc() for sphere space\n",32); break; } 237 lrfill((char*)sp,sizeof(struct sphere)); /* get spheres of annihilation */ 238 sp->p=0; /* null out pointer */ 239 if (i==0) spheres=sp; /* beginning of list */ 240 else sp2->p = sp; 241 } 242 243 time(&zzz); 244 initialtime = zzz-lrint_x(); 245 fstat(fd,&filetimes); /* get the creation and modification time of file */ 246 lrfill((char*)&zzz,sizeof(long)); zzz += 6; 247 if (filetimes.st_ctime > zzz) fsorry(); /* file create time */ 248 else if (filetimes.st_mtime > zzz) fsorry(); /* file modify time */ 249 if (c[HP]<0) { died(284); return; } /* died a post mortem death */ 250 251 oldx = oldy = 0; 252 i = lrint_x(); /* inode # */ 253 if (i && (filetimes.st_ino!=i)) fsorry(); 254 lrclose(); 255 if (strcmp(fname,ckpfile) == 0) 256 { 257 if (lappend(fname) < 0) fcheat(); else { lprc(' '); lwclose(); } 258 lcreat((char*)0); 259 } 260 else if (unlink(fname) < 0) fcheat(); /* can't unlink save file */ 261 /* for the greedy cheater checker */ 262 for (k=0; k<6; k++) if (c[k]>99) greedy(); 263 if (c[HPMAX]>999 || c[SPELLMAX]>125) greedy(); 264 if (c[LEVEL]==25 && c[EXPERIENCE]>skill[24]) /* if patch up lev 25 player */ 265 { 266 long tmp; 267 tmp = c[EXPERIENCE]-skill[24]; /* amount to go up */ 268 c[EXPERIENCE] = skill[24]; 269 raiseexperience((long)tmp); 270 } 271 getlevel(); lasttime=gtime; 272 } 273 274 /* 275 subroutine to not allow greedy cheaters 276 */ 277 greedy() 278 { 279 #if WIZID 280 if (wizard) return; 281 #endif 282 283 lprcat("\n\nI am so sorry, but your character is a little TOO good! Since this\n"); 284 lprcat("cannot normally happen from an honest game, I must assume that you cheated.\n"); 285 lprcat("In that you are GREEDY as well as a CHEATER, I cannot allow this game\n"); 286 lprcat("to continue.\n"); nap(5000); c[GOLD]=c[BANKACCOUNT]=0; died(-267); return; 287 } 288 289 /* 290 subroutine to not allow altered save files and terminate the attempted 291 restart 292 */ 293 fsorry() 294 { 295 lprcat("\nSorry, but your savefile has been altered.\n"); 296 lprcat("However, seeing as I am a good sport, I will let you play.\n"); 297 lprcat("Be advised though, you won't be placed on the normal scoreboard."); 298 cheat = 1; nap(4000); 299 } 300 301 /* 302 subroutine to not allow game if save file can't be deleted 303 */ 304 fcheat() 305 { 306 #if WIZID 307 if (wizard) return; 308 #endif 309 310 lprcat("\nSorry, but your savefile can't be deleted. This can only mean\n"); 311 lprcat("that you tried to CHEAT by protecting the directory the savefile\n"); 312 lprcat("is in. Since this is unfair to the rest of the larn community, I\n"); 313 lprcat("cannot let you play this game.\n"); 314 nap(5000); c[GOLD]=c[BANKACCOUNT]=0; died(-268); return; 315 } 316