root/games/larn/store.c
/*-
 * Copyright (c) 1988 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * @(#)store.c  5.4 (Berkeley) 5/13/91
 * $FreeBSD: src/games/larn/store.c,v 1.5 1999/11/30 03:49:00 billf Exp $
 */

/* store.c              Larn is copyrighted 1986 by Noah Morgan. */
#include <sys/param.h>

#include "header.h"

static void dnd_2hed(void);
static void dnd_hed(void);
static void handsfull(void);
static void outofstock(void);
static void nogold(void);
static void dnditem(int);
static void sch_hed(void);
static void banktitle(const char *);
static void obanksub(void);
static void otradhead(void);
static void cnsitm(void);

static int dndcount = 0, dnditm = 0;

/* this is the data for the stuff in the dnd store */
int maxitm = 83;        /* number of items in the dnd inventory table */
struct _itm itm_[90] = {
/*cost          iven name               iven arg        how
  gp            iven[]                  ivenarg[]       many */

{ 2,            OLEATHER,               0,              3       },
{ 10,           OSTUDLEATHER,           0,              2       },
{ 40,           ORING,                  0,              2       },
{ 85,           OCHAIN,                 0,              2       },
{ 220,          OSPLINT,                0,              1       },
{ 400,          OPLATE,                 0,              1       },
{ 900,          OPLATEARMOR,            0,              1       },
{ 2600,         OSSPLATE,               0,              1       },
{ 150,          OSHIELD,                0,              1       },

/*cost          iven name               iven arg        how
  gp            iven[]                  ivenarg[]       many */

{ 2,            ODAGGER,                0,              3       },
{ 20,           OSPEAR,                 0,              3       },
{ 80,           OFLAIL,                 0,              2       },
{ 150,          OBATTLEAXE,             0,              2       },
{ 450,          OLONGSWORD,             0,              2       },
{ 1000,         O2SWORD,                0,              2       },
{ 5000,         OSWORD,                 0,              1       },
{ 16500,        OLANCE,                 0,              1       },
{ 6000,         OSWORDofSLASHING,       0,              0       },
{ 10000,        OHAMMER,                0,              0       },

/*cost          iven name               iven arg        how
  gp            iven[]                  ivenarg[]       many */

{ 150,          OPROTRING,              1,              1       },
{ 85,           OSTRRING,               1,              1       },
{ 120,          ODEXRING,               1,              1       },
{ 120,          OCLEVERRING,            1,              1       },
{ 180,          OENERGYRING,            0,              1       },
{ 125,          ODAMRING,               0,              1       },
{ 220,          OREGENRING,             0,              1       },
{ 1000,         ORINGOFEXTRA,           0,              1       },

{ 280,          OBELT,                  0,              1       },

{ 400,          OAMULET,                0,              1       },

{ 6500,         OORBOFDRAGON,           0,              0       },
{ 5500,         OSPIRITSCARAB,          0,              0       },
{ 5000,         OCUBEofUNDEAD,          0,              0       },
{ 6000,         ONOTHEFT,               0,              0       },

{ 590,          OCHEST,                 6,              1       },
{ 200,          OBOOK,                  8,              1       },
{ 10,           OCOOKIE,                0,              3       },

/*cost          iven name               iven arg        how
  gp            iven[]                  ivenarg[]       many */

{ 20,           OPOTION,                0,              6       },
{ 90,           OPOTION,                1,              5       },
{ 520,          OPOTION,                2,              1       },
{ 100,          OPOTION,                3,              2       },
{ 50,           OPOTION,                4,              2       },
{ 150,          OPOTION,                5,              2       },
{ 70,           OPOTION,                6,              1       },
{ 30,           OPOTION,                7,              7       },
{ 200,          OPOTION,                8,              1       },
{ 50,           OPOTION,                9,              1       },
{ 80,           OPOTION,                10,             1       },

/*cost          iven name               iven arg        how
  gp            iven[]                  ivenarg[]       many */

{ 30,           OPOTION,                11,             3       },
{ 20,           OPOTION,                12,             5       },
{ 40,           OPOTION,                13,             3       },
{ 35,           OPOTION,                14,             2       },
{ 520,          OPOTION,                15,             1       },
{ 90,           OPOTION,                16,             2       },
{ 200,          OPOTION,                17,             2       },
{ 220,          OPOTION,                18,             4       },
{ 80,           OPOTION,                19,             6       },
{ 370,          OPOTION,                20,             3       },
{ 50,           OPOTION,                22,             1       },
{ 150,          OPOTION,                23,             3       },

/*cost          iven name               iven arg        how
  gp            iven[]                  ivenarg[]       many */

{ 100,          OSCROLL,                0,              2       },
{ 125,          OSCROLL,                1,              2       },
{ 60,           OSCROLL,                2,              4       },
{ 10,           OSCROLL,                3,              4       },
{ 100,          OSCROLL,                4,              3       },
{ 200,          OSCROLL,                5,              2       },
{ 110,          OSCROLL,                6,              1       },
{ 500,          OSCROLL,                7,              2       },
{ 200,          OSCROLL,                8,              2       },
{ 250,          OSCROLL,                9,              4       },
{ 20,           OSCROLL,                10,             5       },
{ 30,           OSCROLL,                11,             3       },

/*cost          iven name               iven arg        how
  gp            iven[]                  ivenarg[]       many */

{ 340,          OSCROLL,                12,             1       },
{ 340,          OSCROLL,                13,             1       },
{ 300,          OSCROLL,                14,             2       },
{ 400,          OSCROLL,                15,             2       },
{ 500,          OSCROLL,                16,             2       },
{ 1000,         OSCROLL,                17,             1       },
{ 500,          OSCROLL,                18,             1       },
{ 340,          OSCROLL,                19,             2       },
{ 220,          OSCROLL,                20,             3       },
{ 3900,         OSCROLL,                21,             0       },
{ 610,          OSCROLL,                22,             1       },
{ 3000,         OSCROLL,                23,             0       }
};

/*
        function for the dnd store
 */
static void
dnd_2hed(void)
{
        lprcat("Welcome to the Larn Thrift Shoppe.  We stock many items explorers find useful\n");
        lprcat(" in their adventures.  Feel free to browse to your hearts content.\n");
        lprcat("Also be advised, if you break 'em, you pay for 'em.");
}

static void
dnd_hed(void)
{
        int i;
        for (i = dnditm; i < 26 + dnditm; i++)
                dnditem(i);
        cursor(50, 18);
        lprcat("You have ");
}

static void
handsfull(void)
{
        lprcat("\nYou can't carry anything more!");
        lflush();
        nap(2200);
}

static void
outofstock(void)
{
        lprcat("\nSorry, but we are out of that item.");
        lflush();
        nap(2200);
}

static void
nogold(void)
{
        lprcat("\nYou don't have enough gold to pay for that!");
        lflush();
        nap(2200);
}

void
dndstore(void)
{
        int i;
        dnditm = 0;
        nosignal = 1;           /* disable signals */
        clear();
        dnd_2hed();
        if (outstanding_taxes > 0) {
                lprcat("\n\nThe Larn Revenue Service has ordered us to not do business with tax evaders.\n");
                beep();
                lprintf("They have also told us that you owe %d gp in back taxes, and as we must\n", (long)outstanding_taxes);
                lprcat("comply with the law, we cannot serve you at this time.  Soo Sorry.\n");
                cursors();
                lprcat("\nPress ");
                standout("escape");
                lprcat(" to leave: ");
                lflush();
                i = 0;
                while (i != '\33')
                        i = getchr();
                drawscreen();
                nosignal = 0;   /* enable signals */
                return;
        }

        dnd_hed();
        while (1) {
                cursor(59, 18);
                lprintf("%d gold pieces", (long)c[GOLD]);
                cltoeoln();
                cl_dn(1, 20);   /* erase to eod */
                lprcat("\nEnter your transaction [");
                standout("space");
                lprcat(" for more, ");
                standout("escape");
                lprcat(" to leave]? ");
                i = 0;
                while ((i < 'a' || i > 'z') && (i != ' ') && (i != '\33') && (i != 12))
                        i = getchr();
                if (i == 12) {
                        clear();
                        dnd_2hed();
                        dnd_hed();
                } else if (i == '\33') {
                        drawscreen();
                        nosignal = 0;   /* enable signals */
                        return;
                } else if (i == ' ') {
                        cl_dn(1, 4);
                        if ((dnditm += 26) >= maxitm)
                                dnditm = 0;
                        dnd_hed();
                } else {        /* buy something */
                        lprc(i);/* echo the byte */
                        i += dnditm - 'a';
                        if (i >= maxitm)
                                outofstock();
                        else if (itm_[i].qty <= 0)
                                outofstock();
                        else if (pocketfull())
                                handsfull();
                        else if (c[GOLD] < itm_[i].price * 10)
                                nogold();
                        else {
                                if (itm_[i].obj == OPOTION)
                                        potionname[itm_[i].arg] = potionhide[itm_[i].arg];
                                else if (itm_[i].obj == OSCROLL)
                                        scrollname[itm_[i].arg] = scrollhide[itm_[i].arg];
                                c[GOLD] -= itm_[i].price * 10;
                                itm_[i].qty--;
                                take(itm_[i].obj, itm_[i].arg);
                                if (itm_[i].qty == 0)
                                        dnditem(i);
                                nap(1001);
                        }
                }
        }
}

/*
        dnditem(index)

        to print the item list;  used in dndstore() enter with the index into itm_
 */
static void
dnditem(int i)
{
        int j, k;
        if (i >= maxitm)
                return;
        cursor((j = (i & 1) * 40 + 1), (k = ((i % 26) >> 1) + 5));
        if (itm_[i].qty == 0) {
                lprintf("%39s", "");
                return;
        }
        lprintf("%c) ", (i % 26) + 'a');
        if (itm_[i].obj == OPOTION) {
                lprcat("potion of ");
                lprintf("%s", potionhide[itm_[i].arg]);
        } else if (itm_[i].obj == OSCROLL) {
                lprcat("scroll of ");
                lprintf("%s", scrollhide[itm_[i].arg]);
        } else
                lprintf("%s", objectname[itm_[i].obj]);
        cursor(j + 31, k);
        lprintf("%6d", (long)(itm_[i].price * 10));
}

/*
        for the college of larn
 */
char course[26] = { 0 };        /* the list of courses taken */
char coursetime[] = { 10, 15, 10, 20, 10, 10, 10, 5 };
/*
        function to display the header info for the school
 */
static void
sch_hed(void)
{
        clear();
        lprcat("The College of Larn offers the exciting opportunity of higher education to\n");
        lprcat("all inhabitants of the caves.  Here is a list of the class schedule:\n\n\n");
        lprcat("\t\t    Course Name \t       Time Needed\n\n");

        if (course[0] == 0)
                lprcat("\t\ta)  Fighters Training I         10 mobuls");        /* line 7 of crt */
        lprc('\n');
        if (course[1] == 0)
                lprcat("\t\tb)  Fighters Training II        15 mobuls");
        lprc('\n');
        if (course[2] == 0)
                lprcat("\t\tc)  Introduction to Wizardry    10 mobuls");
        lprc('\n');
        if (course[3] == 0)
                lprcat("\t\td)  Applied Wizardry            20 mobuls");
        lprc('\n');
        if (course[4] == 0)
                lprcat("\t\te)  Behavioral Psychology       10 mobuls");
        lprc('\n');
        if (course[5] == 0)
                lprcat("\t\tf)  Faith for Today             10 mobuls");
        lprc('\n');
        if (course[6] == 0)
                lprcat("\t\tg)  Contemporary Dance          10 mobuls");
        lprc('\n');
        if (course[7] == 0)
                lprcat("\t\th)  History of Larn              5 mobuls");

        lprcat("\n\n\t\tAll courses cost 250 gold pieces.");
        cursor(30, 18);
        lprcat("You are presently carrying ");
}

void
oschool(void)
{
        int i;
        long time_used;
        nosignal = 1;   /* disable signals */
        sch_hed();
        while (1) {
                cursor(57, 18);
                lprintf("%d gold pieces.   ", (long)c[GOLD]);
                cursors();
                lprcat("\nWhat is your choice [");
                standout("escape");
                lprcat(" to leave] ? ");
                yrepcount = 0;
                i = 0;
                while ((i < 'a' || i > 'h') && (i != '\33') && (i != 12))
                        i = getchr();
                if (i == 12) {
                        sch_hed();
                        continue;
                } else if (i == '\33') {
                        nosignal = 0;
                        drawscreen();   /* enable signals */
                        return;
                }
                lprc(i);
                if (c[GOLD] < 250)
                        nogold();
                else if (course[i - 'a']) {
                        lprcat("\nSorry, but that class is filled.");
                        nap(1000);
                } else if (i <= 'h') {
                        c[GOLD] -= 250;
                        time_used = 0;
                        switch (i) {
                        case 'a':
                                c[STRENGTH] += 2;
                                c[CONSTITUTION]++;
                                lprcat("\nYou feel stronger!");
                                cl_line(16, 7);
                                break;

                        case 'b':
                                if (course[0] == 0) {
                                        lprcat("\nSorry, but this class has a prerequisite of Fighters Training I");
                                        c[GOLD] += 250;
                                        time_used = -10000;
                                        break;
                                }
                                lprcat("\nYou feel much stronger!");
                                cl_line(16, 8);
                                c[STRENGTH] += 2;
                                c[CONSTITUTION] += 2;
                                break;

                        case 'c':
                                c[INTELLIGENCE] += 2;
                                lprcat("\nThe task before you now seems more attainable!");
                                cl_line(16, 9);
                                break;

                        case 'd':
                                if (course[2] == 0) {
                                        lprcat("\nSorry, but this class has a prerequisite of Introduction to Wizardry");
                                        c[GOLD] += 250;
                                        time_used = -10000;
                                        break;
                                }
                                lprcat("\nThe task before you now seems very attainable!");
                                cl_line(16, 10);
                                c[INTELLIGENCE] += 2;
                                break;

                        case 'e':
                                c[CHARISMA] += 3;
                                lprcat("\nYou now feel like a born leader!");
                                cl_line(16, 11);
                                break;

                        case 'f':
                                c[WISDOM] += 2;
                                lprcat("\nYou now feel more confident that you can find the potion in time!");
                                cl_line(16, 12);
                                break;

                        case 'g':
                                c[DEXTERITY] += 3;
                                lprcat("\nYou feel like dancing!");
                                cl_line(16, 13);
                                break;

                        case 'h':
                                c[INTELLIGENCE]++;
                                lprcat("\nYour instructor told you that the Eye of Larn is rumored to be guarded\n");
                                lprcat("by a platinum dragon who possesses psionic abilities. ");
                                cl_line(16, 14);
                                break;
                        }
                        time_used += coursetime[i - 'a'] * 100;
                        if (time_used > 0) {
                                gtime += time_used;
                                course[i - 'a']++; /* remember that he has taken that course */
                                c[HP] = c[HPMAX];
                                c[SPELLS] = c[SPELLMAX];        /* he regenerated */

                                if (c[BLINDCOUNT])
                                        c[BLINDCOUNT] = 1;      /* cure blindness too! */
                                if (c[CONFUSE])
                                        c[CONFUSE] = 1;         /* end confusion */
                                larn_adjtime((long)time_used);  /* adjust parameters for time change */
                        }
                        nap(1000);
                }
        }
}

/*
 *      for the first national bank of Larn
 */
int lasttime = 0;       /* last time he was in bank */

void
obank(void)
{
        banktitle("    Welcome to the First National Bank of Larn.");
}

void
obank2(void)
{
        banktitle("Welcome to the 5th level branch office of the First National Bank of Larn.");
}

static void
banktitle(const char *str)
{
        nosignal = 1;           /* disable signals */
        clear();
        lprcat(str);
        if (outstanding_taxes > 0) {
                int i;
                lprcat("\n\nThe Larn Revenue Service has ordered that your account be frozen until all\n");
                beep();
                lprintf("levied taxes have been paid.  They have also told us that you owe %d gp in\n", (long)outstanding_taxes);
                lprcat("taxes, and we must comply with them. We cannot serve you at this time.  Sorry.\n");
                lprcat("We suggest you go to the LRS office and pay your taxes.\n");
                cursors();
                lprcat("\nPress ");
                standout("escape");
                lprcat(" to leave: ");
                lflush();
                i = 0;
                while (i != '\33')
                        i = getchr();
                drawscreen();
                nosignal = 0;   /* enable signals */
                return;
        }
        lprcat("\n\n\tGemstone\t      Appraisal\t\tGemstone\t      Appraisal");
        obanksub();
        nosignal = 0;           /* enable signals */
        drawscreen();
}

/*
 *      function to put interest on your bank account
 */
void
ointerest(void)
{
        int i;
        if (c[BANKACCOUNT] < 0)
                c[BANKACCOUNT] = 0;
        else if ((c[BANKACCOUNT] > 0) && (c[BANKACCOUNT] < 500000)) {
                i = (gtime - lasttime) / 100;   /* # mobuls elapsed */
                while ((i-- > 0) && (c[BANKACCOUNT] < 500000))
                        c[BANKACCOUNT] += c[BANKACCOUNT] / 250;
                if (c[BANKACCOUNT] > 500000)
                        c[BANKACCOUNT] = 500000;        /* interest limit */
        }
        lasttime = rounddown(gtime, 100);
}

static short gemorder[26] = { 0 };      /* the reference to screen location for each */
static long gemvalue[26] = { 0 };       /* the appraisal of the gems */

static void
obanksub(void)
{
        unsigned long amt;
        int i, k;
        ointerest();            /* credit any needed interest */

        for (k = i = 0; i < 26; i++)
                switch (iven[i]) {
                case OLARNEYE:
                case ODIAMOND:
                case OEMERALD:
                case ORUBY:
                case OSAPPHIRE:

                        if (iven[i] == OLARNEYE) {
                                gemvalue[i] = 250000 -
                                    rounddown(gtime * 7, 100);
                                if (gemvalue[i] < 50000)
                                        gemvalue[i] = 50000;
                        } else
                                gemvalue[i] = (255 & ivenarg[i]) * 100;
                        gemorder[i] = k;
                        cursor((k % 2) * 40 + 1, (k >> 1) + 4);
                        lprintf("%c) %s", i + 'a', objectname[(int)iven[i]]);
                        cursor((k % 2) * 40 + 33, (k >> 1) + 4);
                        lprintf("%5d", (long)gemvalue[i]);
                        k++;
                }
        cursor(31, 17);
        lprintf("You have %8d gold pieces in the bank.", (long)c[BANKACCOUNT]);
        cursor(40, 18);
        lprintf("You have %8d gold pieces", (long)c[GOLD]);
        if (c[BANKACCOUNT] + c[GOLD] >= 500000)
                lprcat("\nNote:  Larndom law states that only deposits under 500,000gp  can earn interest.");
        while (1) {
                cl_dn(1, 20);
                lprcat("\nYour wish? [(");
                standout("d");
                lprcat(") deposit, (");
                standout("w");
                lprcat(") withdraw, (");
                standout("s");
                lprcat(") sell a stone, or ");
                standout("escape");
                lprcat("]  ");
                yrepcount = 0;
                i = 0;
                while (i != 'd' && i != 'w' && i != 's' && i != '\33')
                        i = getchr();
                switch (i) {
                case 'd':
                        lprcat("deposit\nHow much? ");
                        amt = readnum((long)c[GOLD]);
                        if (amt > (unsigned)c[GOLD]) {
                                lprcat("  You don't have that much.");
                                nap(2000);
                        } else {
                                c[GOLD] -= amt;
                                c[BANKACCOUNT] += amt;
                        }
                        break;

                case 'w':
                        lprcat("withdraw\nHow much? ");
                        amt = readnum((long)c[BANKACCOUNT]);
                        if (amt > (unsigned)c[BANKACCOUNT]) {
                                lprcat("\nYou don't have that much in the bank!");
                                nap(2000);
                        } else {
                                c[GOLD] += amt;
                                c[BANKACCOUNT] -= amt;
                        }
                        break;

                case 's':
                        lprcat("\nWhich stone would you like to sell? ");
                        i = 0;
                        while ((i < 'a' || i > 'z') && i != '*')
                                i = getchr();
                        if (i == '*')
                                for (i = 0; i < 26; i++) {
                                        if (gemvalue[i]) {
                                                c[GOLD] += gemvalue[i];
                                                iven[i] = 0;
                                                gemvalue[i] = 0;
                                                k = gemorder[i];
                                                cursor((k % 2) * 40 + 1, (k >> 1) + 4);
                                                lprintf("%39s", "");
                                        }
                                }
                        else {
                                if (gemvalue[i = i - 'a'] == 0) {
                                        lprintf("\nItem %c is not a gemstone!", i + 'a');
                                        nap(2000);
                                        break;
                                }
                                c[GOLD] += gemvalue[i];
                                iven[i] = 0;
                                gemvalue[i] = 0;
                                k = gemorder[i];
                                cursor((k % 2) * 40 + 1, (k >> 1) + 4);
                                lprintf("%39s", "");
                        }
                        break;

                case '\33':
                        return;
                }
                cursor(40, 17);
                lprintf("%8d", (long)c[BANKACCOUNT]);
                cursor(49, 18);
                lprintf("%8d", (long)c[GOLD]);
        }
}
/*
        function for the trading post
 */
static void
otradhead(void)
{
        clear();
        lprcat("Welcome to the Larn Trading Post.  We buy items that explorers no longer find\n");
        lprcat("useful.  Since the condition of the items you bring in is not certain,\n");
        lprcat("and we incur great expense in reconditioning the items, we usually pay\n");
        lprcat("only 20% of their value were they to be new.  If the items are badly\n");
        lprcat("damaged, we will pay only 10% of their new value.\n\n");
}

void
otradepost(void)
{
        int i, j, value, isub, izarg;
        dnditm = dndcount = 0;
        nosignal = 1;           /* disable signals */
        resetscroll();
        otradhead();
        while (1) {
                lprcat("\nWhat item do you want to sell to us [");
                standout("*");
                lprcat(" for list, or ");
                standout("escape");
                lprcat("] ? ");
                i = 0;
                while (i > 'z' || (i < 'a' && i != '*' && i != '\33' && i != '.')) i = getchr();
                if (i == '\33') {
                        setscroll();
                        recalc();
                        drawscreen();
                        nosignal = 0;   /* enable signals */
                        return;
                }
                isub = i - 'a';
                j = 0;
                if (iven[isub] == OSCROLL)
                        if (scrollname[ivenarg[isub]][0] == 0) {
                                j = 1;
                                cnsitm();
                        }       /* can't sell unidentified item */
                if (iven[isub] == OPOTION)
                        if (potionname[ivenarg[isub]][0] == 0) {
                                j = 1;
                                cnsitm();
                        }       /* can't sell unidentified item */
                if (!j) {
                        if (i == '*') {
                                clear();
                                qshowstr();
                                otradhead();
                        } else if (iven[isub] == 0)
                                lprintf("\nYou don't have item %c!", isub + 'a');
                        else {
                                for (j = 0; j < maxitm; j++)
                                        if ((itm_[j].obj == iven[isub]) || (iven[isub] == ODIAMOND) || (iven[isub] == ORUBY) || (iven[isub] == OEMERALD) || (iven[isub] == OSAPPHIRE)) {
                                                srcount = 0;
                                                show3(isub);    /* show what the item was */
                                                if ((iven[isub] == ODIAMOND) || (iven[isub] == ORUBY)
                                                    || (iven[isub] == OEMERALD) || (iven[isub] == OSAPPHIRE))
                                                        value = 20 * ivenarg[isub];
                                                else if ((itm_[j].obj == OSCROLL) || (itm_[j].obj == OPOTION)) value = 2 * itm_[j + ivenarg[isub]].price;
                                                else {
                                                        izarg = ivenarg[isub];
                                                        value = itm_[j].price;  /* appreciate if a +n object */
                                                        if (izarg >= 0)
                                                                value *= 2;
                                                        while ((izarg-- > 0) && ((value = 14 * (67 + value) / 10) < 500000))
                                                                ;
                                                }
                                                lprintf("\nItem (%c) is worth %d gold pieces to us.  Do you want to sell it? ", i, (long)value);
                                                yrepcount = 0;
                                                if (getyn() == 'y') {
                                                        lprcat("yes\n");
                                                        c[GOLD] += value;
                                                        if (c[WEAR] == isub)
                                                                c[WEAR] = -1;
                                                        if (c[WIELD] == isub)
                                                                c[WIELD] = -1;
                                                        if (c[SHIELD] == isub)
                                                                c[SHIELD] = -1;
                                                        adjustcvalues(iven[isub], ivenarg[isub]);
                                                        iven[isub] = 0;
                                                } else
                                                        lprcat("no thanks.\n");
                                                j = maxitm + 100;       /* get out of the inner loop */
                                        }
                                if (j <= maxitm + 2)
                                        lprcat("\nSo sorry, but we are not authorized to accept that item.");
                        }
                }
        }
}

static void
cnsitm(void)
{
        lprcat("\nSorry, we can't accept unidentified objects.");
}

/*
 *      for the Larn Revenue Service
 */
void
olrs(void)
{
        int i, first;
        unsigned long amt;
        first = nosignal = 1;   /* disable signals */
        clear();
        resetscroll();
        cursor(1, 4);
        lprcat("Welcome to the Larn Revenue Service district office.  How can we help you?");
        while (1) {
                if (first) {
                        first = 0;
                        goto nxt;
                }
                cursors();
                lprcat("\n\nYour wish? [(");
                standout("p");
                lprcat(") pay taxes, or ");
                standout("escape");
                lprcat("]  ");
                yrepcount = 0;
                i = 0;
                while (i != 'p' && i != '\33')
                        i = getchr();
                switch (i) {
                case 'p':
                        lprcat("pay taxes\nHow much? ");
                        amt = readnum((long)c[GOLD]);
                        if (amt > (unsigned)c[GOLD])
                                lprcat("  You don't have that much.\n");
                        else
                                c[GOLD] -= paytaxes((long)amt);
                        break;

                case '\33':
                        nosignal = 0;   /* enable signals */
                        setscroll();
                        drawscreen();
                        return;
                }

nxt:    cursor(1, 6);
                if (outstanding_taxes > 0)
                        lprintf("You presently owe %d gp in taxes.  ", (long)outstanding_taxes);
                else
                        lprcat("You do not owe us any taxes.           ");
                cursor(1, 8);
                if (c[GOLD] > 0)
                        lprintf("You have %6d gp.    ", (long)c[GOLD]);
                else
                        lprcat("You have no gold pieces.  ");
        }
}