xref: /original-bsd/games/larn/store.c (revision 5848352c)
1 /*
2  * Copyright (c) 1988 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)store.c	5.2 (Berkeley) 07/22/88";
20 #endif /* not lint */
21 
22 /*	store.c		Larn is copyrighted 1986 by Noah Morgan. */
23 #include "header.h"
24 static int dndcount=0,dnditm=0;
25 
26 /*	this is the data for the stuff in the dnd store	*/
27 int maxitm=83;	/* number of items in the dnd inventory table	*/
28 struct _itm itm[90] = {
29 /*cost	  memory 	iven name	iven arg   how
30   gp	 pointer	  iven[]	ivenarg[]  many */
31 
32 { 2,		0,		OLEATHER,		0,		3	},
33 { 10,		0,		OSTUDLEATHER,	0,		2	},
34 { 40,		0,		ORING,			0,		2	},
35 { 85,		0,		OCHAIN,			0,		2	},
36 { 220,		0,		OSPLINT,		0,		1	},
37 { 400,		0,		OPLATE,			0,		1	},
38 { 900,		0,		OPLATEARMOR,	0,		1	},
39 { 2600,		0,		OSSPLATE,		0,		1	},
40 { 150,		0,		OSHIELD,		0,		1	},
41 
42 /*cost	  memory 	iven name	iven arg   how
43   gp	 pointer	  iven[]	ivenarg[]  many */
44 
45 { 2,		0,		ODAGGER,		0,		3	},
46 { 20,		0,		OSPEAR,			0,		3	},
47 { 80,		0,		OFLAIL,			0,		2	},
48 { 150,		0,		OBATTLEAXE,		0,		2	},
49 { 450,		0,		OLONGSWORD,		0,		2	},
50 { 1000,		0,		O2SWORD,		0,		2	},
51 { 5000,		0,		OSWORD,			0,		1	},
52 { 16500,	0,		OLANCE,			0,		1	},
53 { 6000,		0,	 OSWORDofSLASHING,	0,		0	},
54 { 10000,	0,		OHAMMER,		0,		0	},
55 
56 /*cost	  memory 	iven name	iven arg   how
57   gp	 pointer	  iven[]	ivenarg[]  many */
58 
59 { 150,		0,		OPROTRING,		1,		1	},
60 { 85,		0,		OSTRRING,		1,		1	},
61 { 120,		0,		ODEXRING,		1,		1	},
62 { 120,		0,		OCLEVERRING,	1,		1	},
63 { 180,		0,		OENERGYRING,	0,		1	},
64 { 125,		0,		ODAMRING,		0,		1	},
65 { 220,		0,		OREGENRING,		0,		1	},
66 { 1000,		0,		ORINGOFEXTRA,	0,		1	},
67 
68 { 280,		0,		OBELT,			0,		1	},
69 
70 { 400,		0,		OAMULET,		0,		1	},
71 
72 { 6500,		0,		OORBOFDRAGON,	0,		0	},
73 { 5500,		0,		OSPIRITSCARAB,	0,		0	},
74 { 5000,		0,		OCUBEofUNDEAD,	0,		0	},
75 { 6000,		0,		ONOTHEFT,		0,		0	},
76 
77 { 590,		0,		OCHEST,			6,		1	},
78 { 200,		0,		OBOOK,			8,		1	},
79 { 10,		0,		OCOOKIE,		0,		3	},
80 
81 /*cost	  memory 	iven name	iven arg   how
82   gp	 pointer	  iven[]	ivenarg[]  many */
83 
84 {	20,		potionname,	OPOTION,	0,		6	},
85 {	90,		potionname,	OPOTION,	1,		5	},
86 {	520,	potionname,	OPOTION,	2,		1	},
87 { 	100,	potionname,	OPOTION,	3,		2	},
88 {	50,		potionname,	OPOTION,	4,		2	},
89 {	150,	potionname,	OPOTION,	5,		2	},
90 {	70,		potionname,	OPOTION,	6,		1	},
91 {	30,		potionname,	OPOTION,	7,		7	},
92 {	200,	potionname,	OPOTION,	8,		1	},
93 {	50,		potionname,	OPOTION,	9,		1	},
94 {	80,		potionname,	OPOTION,	10,		1	},
95 
96 /*cost	  memory 	iven name	iven arg   how
97   gp	 pointer	  iven[]	ivenarg[]  many */
98 
99 {	30,		potionname,	OPOTION,	11,		3	},
100 {	20,		potionname,	OPOTION,	12,		5	},
101 {	40,		potionname,	OPOTION,	13,		3	},
102 {	35,		potionname,	OPOTION,	14,		2	},
103 {	520,	potionname,	OPOTION,	15,		1	},
104 {	90,		potionname,	OPOTION,	16,		2	},
105 {	200,	potionname,	OPOTION,	17,		2	},
106 {	220,	potionname,	OPOTION,	18,		4	},
107 {	80,		potionname,	OPOTION,	19,		6	},
108 {	370,	potionname,	OPOTION,	20,		3	},
109 {	50,		potionname,	OPOTION,	22,		1	},
110 {	150,	potionname,	OPOTION,	23,		3	},
111 
112 /*cost	  memory 	iven name	iven arg   how
113   gp	 pointer	  iven[]	ivenarg[]  many */
114 
115 { 100,	scrollname,		OSCROLL,	0,		2	},
116 { 125,	scrollname,		OSCROLL,	1,		2	},
117 { 60,	scrollname,		OSCROLL,	2,		4	},
118 { 10,	scrollname,		OSCROLL,	3,		4	},
119 { 100,	scrollname,		OSCROLL,	4,		3	},
120 { 200,	scrollname,		OSCROLL,	5,		2	},
121 { 110,	scrollname,		OSCROLL,	6,		1	},
122 { 500,	scrollname,		OSCROLL,	7,		2	},
123 { 200,	scrollname,		OSCROLL,	8,		2	},
124 { 250,	scrollname,		OSCROLL,	9,		4	},
125 { 20,	scrollname,		OSCROLL,	10,		5	},
126 { 30,	scrollname,		OSCROLL,	11,		3	},
127 
128 /*cost	  memory 	iven name	iven arg   how
129   gp	 pointer	  iven[]	ivenarg[]  many */
130 
131 { 340,	scrollname,		OSCROLL,	12,		1	},
132 { 340,	scrollname,		OSCROLL,	13,		1	},
133 { 300,	scrollname,		OSCROLL,	14,		2	},
134 { 400,	scrollname,		OSCROLL,	15,		2	},
135 { 500,	scrollname,		OSCROLL,	16,		2	},
136 { 1000,	scrollname,		OSCROLL,	17,		1	},
137 { 500,	scrollname,		OSCROLL,	18,		1	},
138 { 340,	scrollname,		OSCROLL,	19,		2	},
139 { 220,	scrollname,		OSCROLL,	20,		3	},
140 { 3900,	scrollname,		OSCROLL,	21,		0	},
141 { 610,	scrollname,		OSCROLL,	22,		1	},
142 { 3000,	scrollname,		OSCROLL,	23,		0	}
143  };
144 
145 /*
146 	function for the dnd store
147  */
148 dnd_2hed()
149     {
150 	lprcat("Welcome to the Larn Thrift Shoppe.  We stock many items explorers find useful\n");
151 	lprcat(" in their adventures.  Feel free to browse to your hearts content.\n");
152 	lprcat("Also be advised, if you break 'em, you pay for 'em.");
153 	}
154 
155 dnd_hed()
156 	{
157 	register int i;
158 	for (i=dnditm; i<26+dnditm; i++)	dnditem(i);
159 	cursor(50,18); lprcat("You have ");
160 	}
161 
162 dndstore()
163   {
164   register int i;
165   dnditm = 0;
166   nosignal = 1; /* disable signals */
167   clear();  dnd_2hed();
168   if (outstanding_taxes>0)
169 	{
170 	lprcat("\n\nThe Larn Revenue Service has ordered us to not do business with tax evaders.\n"); beep();
171 	lprintf("They have also told us that you owe %d gp in back taxes, and as we must\n",(long)outstanding_taxes);
172 	lprcat("comply with the law, we cannot serve you at this time.  Soo Sorry.\n");
173 	cursors();
174 	lprcat("\nPress "); standout("escape"); lprcat(" to leave: "); lflush();
175 	i=0;
176 	while (i!='\33') i=getchar();
177 	drawscreen();  nosignal = 0; /* enable signals */ return;
178 	}
179 
180   dnd_hed();
181   while (1)
182 	{
183 	cursor(59,18); lprintf("%d gold pieces",(long)c[GOLD]);
184 	cltoeoln(); cl_dn(1,20);	/* erase to eod */
185 	lprcat("\nEnter your transaction ["); standout("space");
186 	lprcat(" for more, "); standout("escape");
187 	lprcat(" to leave]? ");
188 	i=0;
189 	while ((i<'a' || i>'z') && (i!=' ') && (i!='\33') && (i!=12))  i=getchar();
190 	if (i==12) { clear();  dnd_2hed();  dnd_hed(); }
191 	else if (i=='\33')
192 		{ drawscreen();  nosignal = 0; /* enable signals */ return; }
193 	else if (i==' ')
194 		{
195 		cl_dn(1,4);
196 		if ((dnditm += 26) >= maxitm) dnditm=0; dnd_hed();
197 		}
198 	else
199 		{  /* buy something */
200 		lprc(i);	/* echo the byte */
201 		i += dnditm - 'a';
202 		if (i>=maxitm) outofstock(); else
203 		if (itm[i].qty <= 0) outofstock(); else
204 		if (pocketfull()) handsfull(); else
205 		if (c[GOLD] < itm[i].price*10) nogold(); else
206 			{
207 			if (itm[i].mem != 0) *itm[i].mem[itm[i].arg] = ' ';
208 			c[GOLD] -= itm[i].price*10;
209 			itm[i].qty--;  take(itm[i].obj,itm[i].arg);
210 			if (itm[i].qty==0) dnditem(i);  nap(1001);
211 			}
212 		}
213 
214 	}
215   }
216 
217 /*
218 	function for the players hands are full
219  */
220 static handsfull()
221 	{ lprcat("\nYou can't carry anything more!"); lflush(); nap(2200); }
222 static outofstock()
223 	{ lprcat("\nSorry, but we are out of that item."); lflush(); nap(2200); }
224 static nogold()
225 	{ lprcat("\nYou don't have enough gold to pay for that!"); lflush(); nap(2200); }
226 
227 /*
228 	dnditem(index)
229 
230 	to print the item list;  used in dndstore() enter with the index into itm
231  */
232 static dnditem(i)
233 	register int i;
234 	{
235 	register int j,k;
236 	if (i >= maxitm)  return;
237 	cursor( (j=(i&1)*40+1) , (k=((i%26)>>1)+5) );
238 	if (itm[i].qty == 0)  { lprintf("%39s","");  return; }
239 	lprintf("%c) ",(i%26)+'a');
240 	if (itm[i].obj == OPOTION)
241 		{ lprcat("potion of "); lprintf("%s",&potionname[itm[i].arg][1]); }
242 	else if (itm[i].obj == OSCROLL)
243 		{ lprcat("scroll of "); lprintf("%s",&scrollname[itm[i].arg][1]); }
244 	else lprintf("%s",objectname[itm[i].obj]);
245 	cursor( j+31,k );  lprintf("%6d",(long)(itm[i].price*10));
246 	}
247 
248 
249 /*
250 	for the college of larn
251  */
252 char course[26]={0};	/*	the list of courses taken	*/
253 char coursetime[] = { 10, 15, 10, 20, 10, 10, 10, 5 };
254 /*
255 	function to display the header info for the school
256  */
257 sch_hed()
258 	{
259 	clear();
260 	lprcat("The College of Larn offers the exciting opportunity of higher education to\n");
261 	lprcat("all inhabitants of the caves.  Here is a list of the class schedule:\n\n\n");
262 	lprcat("\t\t    Course Name \t       Time Needed\n\n");
263 
264 	if (course[0]==0) lprcat("\t\ta)  Fighters Training I         10 mobuls"); /*line 7 of crt*/
265 	lprc('\n');
266 	if (course[1]==0) lprcat("\t\tb)  Fighters Training II        15 mobuls");
267 	lprc('\n');
268 	if (course[2]==0) lprcat("\t\tc)  Introduction to Wizardry    10 mobuls");
269 	lprc('\n');
270 	if (course[3]==0) lprcat("\t\td)  Applied Wizardry            20 mobuls");
271 	lprc('\n');
272 	if (course[4]==0) lprcat("\t\te)  Behavioral Psychology       10 mobuls");
273 	lprc('\n');
274 	if (course[5]==0) lprcat("\t\tf)  Faith for Today             10 mobuls");
275 	lprc('\n');
276 	if (course[6]==0) lprcat("\t\tg)  Contemporary Dance          10 mobuls");
277 	lprc('\n');
278 	if (course[7]==0) lprcat("\t\th)  History of Larn              5 mobuls");
279 
280 	lprcat("\n\n\t\tAll courses cost 250 gold pieces.");
281 	cursor(30,18);
282 	lprcat("You are presently carrying ");
283 	}
284 
285 oschool()
286 	{
287 	register int i;
288 	long time_used;
289 	nosignal = 1; /* disable signals */
290 	sch_hed();
291 	while (1)
292 		{
293 		cursor(57,18); lprintf("%d gold pieces.   ",(long)c[GOLD]); cursors();
294 		lprcat("\nWhat is your choice ["); standout("escape");
295 		lprcat(" to leave] ? ");  yrepcount=0;
296 		i=0;  while ((i<'a' || i>'h') && (i!='\33') && (i!=12)) i=getchar();
297 		if (i==12) { sch_hed();  continue; }
298 		else if (i=='\33')
299 			{ nosignal = 0; drawscreen();  /* enable signals */ return; }
300 		lprc(i);
301 		if (c[GOLD] < 250)  nogold();  else
302 		if (course[i-'a'])
303 			{ lprcat("\nSorry, but that class is filled."); nap(1000); }
304 		else
305 		if (i <= 'h')
306 			{
307 			c[GOLD] -= 250; time_used=0;
308 			switch(i)
309 				{
310 				case 'a':	c[STRENGTH] += 2;  c[CONSTITUTION]++;
311 							lprcat("\nYou feel stronger!");
312 							cl_line(16,7);
313 							break;
314 
315 				case 'b':	if (course[0]==0)
316 								{
317 								lprcat("\nSorry, but this class has a prerequisite of Fighters Training I");
318 								c[GOLD]+=250;  time_used= -10000;  break;
319 								}
320 							lprcat("\nYou feel much stronger!");
321 							cl_line(16,8);
322 							c[STRENGTH] += 2;  c[CONSTITUTION] += 2;  break;
323 
324 				case 'c':	c[INTELLIGENCE] += 2;
325 							lprcat("\nThe task before you now seems more attainable!");
326 							cl_line(16,9);  break;
327 
328 				case 'd':	if (course[2]==0)
329 								{
330 								lprcat("\nSorry, but this class has a prerequisite of Introduction to Wizardry");
331 								c[GOLD]+=250;  time_used= -10000;  break;
332 								}
333 							lprcat("\nThe task before you now seems very attainable!");
334 							cl_line(16,10);
335 							c[INTELLIGENCE] += 2;  break;
336 
337 				case 'e':	c[CHARISMA] += 3;
338 							lprcat("\nYou now feel like a born leader!");
339 							cl_line(16,11);  break;
340 
341 				case 'f':	c[WISDOM] += 2;
342 							lprcat("\nYou now feel more confident that you can find the potion in time!");
343 							cl_line(16,12);  break;
344 
345 				case 'g':	c[DEXTERITY] += 3;
346 							lprcat("\nYou feel like dancing!");
347 							cl_line(16,13);  break;
348 
349 				case 'h':	c[INTELLIGENCE]++;
350 							lprcat("\nYour instructor told you that the Eye of Larn is rumored to be guarded\n");
351 							lprcat("by a platinum dragon who possesses psionic abilities. ");
352 							cl_line(16,14);  break;
353 				}
354 			time_used += coursetime[i-'a']*100;
355 			if (time_used > 0)
356 			  {
357 			  gtime += time_used;
358 			  course[i-'a']++;	/*	remember that he has taken that course	*/
359 			  c[HP] = c[HPMAX];  c[SPELLS] = c[SPELLMAX]; /* he regenerated */
360 
361 			  if (c[BLINDCOUNT])	c[BLINDCOUNT]=1;  /* cure blindness too!  */
362 			  if (c[CONFUSE])		c[CONFUSE]=1;	/*	end confusion	*/
363 			  adjtime((long)time_used);	/* adjust parameters for time change */
364 			  }
365 			nap(1000);
366 			}
367 		}
368 	}
369 
370 /*
371  *	for the first national bank of Larn
372  */
373 int lasttime=0;	/* last time he was in bank */
374 obank()
375 	{
376 	banktitle("    Welcome to the First National Bank of Larn.");
377 	}
378 obank2()
379 	{
380 	banktitle("Welcome to the 5th level branch office of the First National Bank of Larn.");
381 	}
382 static banktitle(str)
383 	char *str;
384 	{
385 	nosignal = 1; /* disable signals */
386 	clear();  lprcat(str);
387 	if (outstanding_taxes>0)
388 		{
389 		register int i;
390 		lprcat("\n\nThe Larn Revenue Service has ordered that your account be frozen until all\n"); beep();
391 		lprintf("levied taxes have been paid.  They have also told us that you owe %d gp in\n",(long)outstanding_taxes);
392 		lprcat("taxes, and we must comply with them. We cannot serve you at this time.  Sorry.\n");
393 		lprcat("We suggest you go to the LRS office and pay your taxes.\n");
394 		cursors();
395 		lprcat("\nPress "); standout("escape"); lprcat(" to leave: "); lflush();
396 		i=0;
397 		while (i!='\33') i=getchar();
398 		drawscreen();  nosignal = 0; /* enable signals */ return;
399 		}
400 	lprcat("\n\n\tGemstone\t      Appraisal\t\tGemstone\t      Appraisal");
401 	obanksub();		nosignal = 0; /* enable signals */
402 	drawscreen();
403 	}
404 
405 /*
406  *	function to put interest on your bank account
407  */
408 ointerest()
409 	{
410 	register int i;
411 	if (c[BANKACCOUNT]<0) c[BANKACCOUNT] = 0;
412 	else if ((c[BANKACCOUNT]>0) && (c[BANKACCOUNT]<500000))
413 		{
414 		i = (gtime-lasttime)/100; /* # mobuls elapsed */
415 		while ((i-- > 0) && (c[BANKACCOUNT]<500000))
416 			c[BANKACCOUNT] += c[BANKACCOUNT]/250;
417 		if (c[BANKACCOUNT]>500000) c[BANKACCOUNT]=500000; /* interest limit */
418 		}
419 	lasttime = (gtime/100)*100;
420 	}
421 
422 static short gemorder[26]={0};	/* the reference to screen location for each */
423 static long gemvalue[26]={0};	/* the appraisal of the gems */
424 obanksub()
425 	{
426 	unsigned long amt;
427 	register int i,k;
428 	ointerest();	/* credit any needed interest */
429 
430 	for (k=i=0; i<26; i++)
431 		switch(iven[i])
432 			{
433 			case OLARNEYE: case ODIAMOND: case OEMERALD:
434 			case ORUBY: case OSAPPHIRE:
435 
436 					if (iven[i]==OLARNEYE)
437 						{
438 						gemvalue[i]=250000-((gtime*7)/100)*100;
439 						if (gemvalue[i]<50000) gemvalue[i]=50000;
440 						}
441 					else gemvalue[i] = (255&ivenarg[i])*100;
442 					gemorder[i]=k;
443 					cursor( (k%2)*40+1 , (k>>1)+4 );
444 					lprintf("%c) %s",i+'a',objectname[iven[i]]);
445 					cursor( (k%2)*40+33 , (k>>1)+4 );
446 					lprintf("%5d",(long)gemvalue[i]);  k++;
447 			};
448 	cursor(31,17); lprintf("You have %8d gold pieces in the bank.",(long)c[BANKACCOUNT]);
449 	cursor(40,18); lprintf("You have %8d gold pieces",(long)c[GOLD]);
450 	if (c[BANKACCOUNT]+c[GOLD] >= 500000)
451 		lprcat("\nNote:  Larndom law states that only deposits under 500,000gp  can earn interest.");
452 	while (1)
453 		{
454 		cl_dn(1,20);
455 		lprcat("\nYour wish? [("); standout("d"); lprcat(") deposit, (");
456 		standout("w"); lprcat(") withdraw, ("); standout("s");
457 		lprcat(") sell a stone, or "); standout("escape"); lprcat("]  ");
458 		yrepcount=0;
459 		i=0; while (i!='d' && i!='w' && i!='s' && i!='\33') i=getchar();
460 		switch(i)
461 			{
462 			case 'd':	lprcat("deposit\nHow much? ");	amt = readnum((long)c[GOLD]);
463 						if (amt<0) { lprcat("\nSorry, but we can't take negative gold!"); nap(2000); amt=0; } else
464 						if (amt>c[GOLD])
465 						  { lprcat("  You don't have that much.");  nap(2000); }
466 						else { c[GOLD] -= amt;  c[BANKACCOUNT] += amt; }
467 						break;
468 
469 			case 'w':	lprcat("withdraw\nHow much? ");	amt = readnum((long)c[BANKACCOUNT]);
470 						if (amt<0) { lprcat("\nSorry, but we don't have any negative gold!");  nap(2000); amt=0; }
471 						else if (amt > c[BANKACCOUNT])
472 						  { lprcat("\nYou don't have that much in the bank!"); nap(2000); }
473 						else { c[GOLD] += amt;  c[BANKACCOUNT] -= amt; }
474 						break;
475 
476 			case 's':	lprcat("\nWhich stone would you like to sell? ");
477 						i=0; while ((i<'a' || i>'z') && i!='*') i=getchar();
478 						if (i=='*')
479 						  for (i=0; i<26; i++)
480 							{
481 							if (gemvalue[i])
482 								{
483 								c[GOLD]+=gemvalue[i];  iven[i]=0;
484 								gemvalue[i]=0;	k = gemorder[i];
485 								cursor( (k%2)*40+1 , (k>>1)+4 );
486 								lprintf("%39s","");
487 								}
488 							}
489 						else
490 							{
491 							if (gemvalue[i=i-'a']==0)
492 								{
493 								lprintf("\nItem %c is not a gemstone!",i+'a');
494 								nap(2000); break;
495 								}
496 							c[GOLD]+=gemvalue[i];  iven[i]=0;
497 							gemvalue[i]=0;	k = gemorder[i];
498 							cursor( (k%2)*40+1 , (k>>1)+4 ); lprintf("%39s","");
499 							}
500 						break;
501 
502 			case '\33':	return;
503 			};
504 		cursor(40,17); lprintf("%8d",(long)c[BANKACCOUNT]);
505 		cursor(49,18); lprintf("%8d",(long)c[GOLD]);
506 		}
507 	}
508 
509 /*
510 	subroutine to appraise any stone for the bank
511  */
512 appraise(gemstone)
513 	register int gemstone;
514 	{
515 	register int j,amt;
516 	for (j=0; j<26; j++)
517 	  if (iven[j]==gemstone)
518 		{
519 		lprintf("\nI see you have %s",objectname[gemstone]);
520 		if (gemstone==OLARNEYE) lprcat("  I must commend you.  I didn't think\nyou could get it.");
521 		lprcat("  Shall I appraise it for you? ");  yrepcount=0;
522 		if (getyn()=='y')
523 			{
524 			lprcat("yes.\n  Just one moment please \n");  nap(1000);
525 			if (gemstone==OLARNEYE)
526 				{
527 				amt = 250000-((gtime*7)/100)*100;
528 				if (amt<50000) amt=50000;
529 				}
530 			else amt = (255 & ivenarg[j]) * 100;
531 			lprintf("\nI can see this is an excellent stone, It is worth %d",(long)amt);
532 			lprcat("\nWould you like to sell it to us? ");  yrepcount=0;
533 			if (getyn()=='y') { lprcat("yes\n"); c[GOLD]+=amt;  iven[j]=0; }
534 			else lprcat("no thank you.\n");
535 			if (gemstone==OLARNEYE) lprcat("It is, of course, your privilege to keep the stone\n");
536 			}
537 		else lprcat("no\nO. K.\n");
538 		}
539 	}
540 /*
541 	function for the trading post
542  */
543 static otradhead()
544 	{
545     clear();
546 	lprcat("Welcome to the Larn Trading Post.  We buy items that explorers no longer find\n");
547     lprcat("useful.  Since the condition of the items you bring in is not certain,\n");
548     lprcat("and we incur great expense in reconditioning the items, we usually pay\n");
549     lprcat("only 20% of their value were they to be new.  If the items are badly\n");
550 	lprcat("damaged, we will pay only 10% of their new value.\n\n");
551 	}
552 
553 otradepost()
554   {
555   register int i,j,value,isub,izarg;
556   dnditm = dndcount = 0;
557   nosignal = 1; /* disable signals */
558   resetscroll();	otradhead();
559   while (1)
560 	{
561 	lprcat("\nWhat item do you want to sell to us ["); standout("*");
562 	lprcat(" for list, or "); standout("escape"); lprcat("] ? ");
563 	i=0; while (i>'z' || (i<'a' && i!='*' && i!='\33' && i!='.')) i=getchar();
564 	if (i == '\33')
565 		{ setscroll(); recalc(); drawscreen(); nosignal=0; /* enable signals */ return; }
566 	isub = i - 'a';		j=0;
567 	if (iven[isub]==OSCROLL) if (scrollname[ivenarg[isub]][0]==0)
568 		{ j=1; cnsitm(); }	/* can't sell unidentified item */
569 	if (iven[isub]==OPOTION) if (potionname[ivenarg[isub]][0]==0)
570 		{ j=1; cnsitm(); }	/* can't sell unidentified item */
571 	if (!j)
572 	  if (i=='*') { clear(); qshowstr(); otradhead(); }
573 	else  if (iven[isub]==0)  lprintf("\nYou don't have item %c!",isub+'a');
574 	else
575 		{
576 		for (j=0; j<maxitm; j++)
577 		  if ((itm[j].obj == iven[isub]) || (iven[isub] == ODIAMOND) || (iven[isub] == ORUBY) || (iven[isub] == OEMERALD) || (iven[isub] == OSAPPHIRE))
578 			{
579 			srcount=0;  show3(isub);	/* show what the item was */
580 			if ((iven[isub] == ODIAMOND) || (iven[isub] == ORUBY)
581 				|| (iven[isub] == OEMERALD) || (iven[isub] == OSAPPHIRE))
582 				value = 20*ivenarg[isub];
583 			else
584 			if ((itm[j].obj == OSCROLL) || (itm[j].obj == OPOTION))  value = 2*itm[j+ivenarg[isub]].price;
585 			else
586 				{
587 				izarg=ivenarg[isub];  value = itm[j].price;	/* appreciate if a +n object */
588 				if (izarg >= 0) value *= 2;
589 				while ((izarg-- > 0) && ((value=14*(67+value)/10) < 500000));
590 				}
591 			lprintf("\nItem (%c) is worth %d gold pieces to us.  Do you want to sell it? ",i,(long)value);
592 			yrepcount=0;
593 			if (getyn()=='y')
594 				{
595 				lprcat("yes\n"); c[GOLD]+=value;
596 				if (c[WEAR] == isub) c[WEAR] = -1;
597 				if (c[WIELD] == isub) c[WIELD] = -1;
598 				if (c[SHIELD] == isub) c[SHIELD] = -1;
599 				adjustcvalues(iven[isub],ivenarg[isub]);
600 				iven[isub]=0;
601 				}
602 			else lprcat("no thanks.\n");
603 			j = maxitm+100;	/* get out of the inner loop */
604 			}
605 		if (j <= maxitm+2) lprcat("\nSo sorry, but we are not authorized to accept that item.");
606 		}
607 	}
608   }
609 
610 cnsitm()
611 	{ lprcat("\nSorry, we can't accept unidentified objects."); }
612 
613 /*
614  *	for the Larn Revenue Service
615  */
616 olrs()
617 	{
618 	register int i,first;
619 	unsigned long amt;
620 	first = nosignal = 1; /* disable signals */
621 	clear();  resetscroll(); cursor(1,4);
622 	lprcat("Welcome to the Larn Revenue Service district office.  How can we help you?");
623 	while (1)
624 		{
625 		if (first) { first=0; goto nxt; }
626 		cursors();
627 		lprcat("\n\nYour wish? [(");
628 		standout("p");
629 		lprcat(") pay taxes, or ");
630 		standout("escape");
631 		lprcat("]  ");  yrepcount=0;
632 		i=0; while (i!='p' && i!='\33') i=getchar();
633 		switch(i)
634 			{
635 			case 'p':	lprcat("pay taxes\nHow much? "); amt = readnum((long)c[GOLD]);
636 						if (amt<0) { lprcat("\nSorry, but we can't take negative gold\n"); amt=0; } else
637 						if (amt>c[GOLD])	lprcat("  You don't have that much.\n");
638 						else  c[GOLD] -= paytaxes((long)amt);
639 						break;
640 
641 			case '\33':	nosignal = 0; /* enable signals */
642 						setscroll(); drawscreen();	return;
643 			};
644 
645 nxt:	cursor(1,6);
646 		if (outstanding_taxes>0)
647 			lprintf("You presently owe %d gp in taxes.  ",(long)outstanding_taxes);
648 		else
649 			lprcat("You do not owe us any taxes.           ");
650 		cursor(1,8);
651 		if (c[GOLD]>0)
652 			lprintf("You have %6d gp.    ",(long)c[GOLD]);
653 		else
654 			lprcat("You have no gold pieces.  ");
655 		}
656 	}
657