annotate arogue7/trader.c @ 315:ad2570b5b21f

Advanced Rogue 5, 7: fix some trading post messages. When attempting to buy an unaffordable object, messages were often of the form "You can't afford that a scroll of hold monster !", because the object description (stored in curpurch) was the same text used in inventory displays. This has been worked around by inspecting the contents of curpurch and using different message templates.
author John "Elwin" Edwards
date Sun, 24 Oct 2021 20:26:21 -0400
parents f9ef86cf22b2
children
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1 /*
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2 * trader.c - Anything to do with trading posts
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "Rogue: Exploring the Dungeons of Doom"
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 /*
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16 * Anything to do with trading posts
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17 */
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18
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19 #include <ctype.h>
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20 #include <string.h>
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21 #include "curses.h"
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22 #include "rogue.h"
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23
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24 bool open_market(void);
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25 void trans_line(void);
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26 char *typ_name(struct object *obj);
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27
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28
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29 /*
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30 * buy_it:
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31 * Buy the item on which the hero stands
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32 */
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33 void
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34 buy_it(void)
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35 {
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36 reg int wh;
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37 struct linked_list *item;
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38
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39 if (purse <= 0) {
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40 msg("You have no money.");
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41 return;
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42 }
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43 if (curprice < 0) { /* if not yet priced */
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44 wh = price_it();
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45 if (!wh) /* nothing to price */
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46 return;
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47 msg("Do you want to buy it? ");
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48 do {
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49 wh = tolower(readchar());
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50 if (wh == ESCAPE || wh == 'n') {
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51 msg("");
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52 return;
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53 }
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54 } until(wh == 'y');
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55 }
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56 mpos = 0;
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57 if (curprice > purse) {
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58 if (!strncmp(curpurch, "a ", 2))
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59 msg("You can't afford to buy that %s!", curpurch + 2);
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60 else if (!strncmp(curpurch, "an ", 3))
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61 msg("You can't afford to buy that %s!", curpurch + 3);
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62 else if (isdigit(curpurch[0]))
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63 msg("You can't afford to buy those %s!", curpurch);
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64 else
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65 msg("You can't afford to buy that %s!", curpurch);
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66 return;
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67 }
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68 /*
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69 * See if the hero has done all his transacting
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70 */
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71 if (!open_market())
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72 return;
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73 /*
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74 * The hero bought the item here
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75 */
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76 item = find_obj(hero.y, hero.x);
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77 mpos = 0;
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78 if (add_pack(NULL, TRUE, &item)) { /* try to put it in his pack */
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79 purse -= curprice; /* take his money */
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80 ++trader; /* another transaction */
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81 trans_line(); /* show remaining deals */
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82 curprice = -1; /* reset stuff */
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83 curpurch[0] = 0;
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84 whatis (item); /* identify it after purchase */
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85 (OBJPTR(item))->o_flags &= ~ISPOST; /* turn off ISPOST */
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86 msg("%s", inv_name(OBJPTR(item), TRUE));
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87 }
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88 }
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89