Clean up:
[dragonfly.git] / games / larn / diag.c
CommitLineData
984263bc
MD
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 $ */
1b550bca 3/* $DragonFly: src/games/larn/diag.c,v 1.3 2004/06/21 02:28:34 dillon Exp $ */
984263bc
MD
4#include <sys/types.h>
5#include <sys/times.h>
6#include <sys/stat.h>
7#include "header.h"
8extern int rmst,maxitm,lasttime;
9extern char nosignal;
10static struct tms cputime;
11/*
12 ***************************
13 DIAG -- dungeon diagnostics
14 ***************************
15
16 subroutine to print out data for debugging
17 */
18#ifdef EXTRA
19static int rndcount[16];
20diag()
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 */
114dcount(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 */
130diagdrawscreen()
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\f
145/*
146 to save the game in a file
147 */
148static time_t zzz=0;
149savegame(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
195restoregame(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
1b550bca 213 lrfill((char*)&c[0],100*sizeof(long)); gtime = lrint_x();
984263bc
MD
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);
1b550bca 244 initialtime = zzz-lrint_x();
984263bc
MD
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;
1b550bca 252 i = lrint_x(); /* inode # */
984263bc
MD
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 */
277greedy()
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 */
293fsorry()
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 */
304fcheat()
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 }