root/games/larn/store.c
/*      $NetBSD: store.c,v 1.17 2021/05/02 12:50:45 rillig Exp $         */

/*-
 * 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.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char     sccsid[] = "@(#)store.c 5.4 (Berkeley) 5/13/91";
#else
__RCSID("$NetBSD: store.c,v 1.17 2021/05/02 12:50:45 rillig Exp $");
#endif
#endif                          /* not lint */

/* store.c              Larn is copyrighted 1986 by Noah Morgan. */
#include "header.h"
#include "extern.h"

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

static int      dndcount = 0, dnditm = 0;

/* number of items in the dnd inventory table    */
#define MAXITM 83

/* this is the data for the stuff in the dnd store       */
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 %ld 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 = ttgetch();
                drawscreen();
                nosignal = 0;   /* enable signals */
                return;
        }
        dnd_hed();
        while (1) {
                cursor(59, 18);
                lprintf("%ld 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 = ttgetch();
                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) {
                lprintf("potion of%s", potionhide[itm[i].arg]);
        } else if (itm[i].obj == OSCROLL) {
                lprintf("scroll of%s", scrollhide[itm[i].arg]);
        } else
                lprintf("%s", objectname[itm[i].obj]);
        cursor(j + 31, k);
        lprintf("%6ld", (long) (itm[i].price * 10));
}



/*
        for the college of larn
 */
u_char          course[26] = {0};       /* the list of courses taken     */
static 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("%ld 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 = ttgetch();
                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) {
                                gltime += 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         */
                                adjusttime((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 %ld 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 = ttgetch();
                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 = (gltime - 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 = (gltime / 100) * 100;
}

static short    gemorder[26] = {0};     /* the reference to screen location
                                         * for each */
static long     gemvalue[26] = {0};     /* the appraisal of the gems */
void
obanksub(void)
{
        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 - ((gltime * 7) / 100) * 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[iven[i]]);
                        cursor((k % 2) * 40 + 33, (k >> 1) + 4);
                        lprintf("%5ld", (long) gemvalue[i]);
                        k++;
                };
        cursor(31, 17);
        lprintf("You have %8ld gold pieces in the bank.", (long) c[BANKACCOUNT]);
        cursor(40, 18);
        lprintf("You have %8ld 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 = ttgetch();
                switch (i) {
                case 'd':
                        lprcat("deposit\nHow much? ");
                        amt = readnum((long) c[GOLD]);
                        if (amt < 0) {
                                lprcat("\nSorry, but we can't take negative gold!");
                                nap(2000);
                                amt = 0;
                        } else if (amt > 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 < 0) {
                                lprcat("\nSorry, but we don't have any negative gold!");
                                nap(2000);
                                amt = 0;
                        } else if (amt > 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 = ttgetch();
                        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("%8ld", (long) c[BANKACCOUNT]);
                cursor(49, 18);
                lprintf("%8ld", (long) c[GOLD]);
        }
}

#if 0 /* XXX: apparently unused */
/*
        subroutine to appraise any stone for the bank
 */
static void
appraise(int gemstone)
{
        int    j, amt;
        for (j = 0; j < 26; j++)
                if (iven[j] == gemstone) {
                        lprintf("\nI see you have %s", objectname[gemstone]);
                        if (gemstone == OLARNEYE)
                                lprcat("  I must commend you.  I didn't think\nyou could get it.");
                        lprcat("  Shall I appraise it for you? ");
                        yrepcount = 0;
                        if (getyn() == 'y') {
                                lprcat("yes.\n  Just one moment please \n");
                                nap(1000);
                                if (gemstone == OLARNEYE) {
                                        amt = 250000 - ((gltime * 7) / 100) * 100;
                                        if (amt < 50000)
                                                amt = 50000;
                                } else
                                        amt = (255 & ivenarg[j]) * 100;
                                lprintf("\nI can see this is an excellent stone, It is worth %ld", (long) amt);
                                lprcat("\nWould you like to sell it to us? ");
                                yrepcount = 0;
                                if (getyn() == 'y') {
                                        lprcat("yes\n");
                                        c[GOLD] += amt;
                                        iven[j] = 0;
                                } else
                                        lprcat("no thank you.\n");
                                if (gemstone == OLARNEYE)
                                        lprcat("It is, of course, your privilege to keep the stone\n");
                        } else
                                lprcat("no\nO. K.\n");
                }
}
#endif /* 0 - unused */

/*
        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 = ttgetch();
                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 %ld 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;
        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 = ttgetch();
                switch (i) {
                case 'p':
                        lprcat("pay taxes\nHow much? ");
                        amt = readnum((long) c[GOLD]);
                        if (amt < 0) {
                                lprcat("\nSorry, but we can't take negative gold\n");
                                amt = 0;
                        } else if (amt > c[GOLD])
                                lprcat("  You don't have that much.\n");
                        else
                                c[GOLD] -= paytaxes(amt);
                        break;

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

nxt:            cursor(1, 6);
                if (outstanding_taxes > 0)
                        lprintf("You presently owe %ld 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 %6ld gp.    ", (long) c[GOLD]);
                else
                        lprcat("You have no gold pieces.  ");
        }
}