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annotate arogue7/trader.c @ 125:adfa37e67084

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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
author John "Elwin" Edwards
date Fri, 08 May 2015 15:24:40 -0400
parents
children f9ef86cf22b2
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adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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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 "curses.h"
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20 #include "rogue.h"
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21
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22
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23
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24
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25
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26 /*
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27 * buy_it:
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28 * Buy the item on which the hero stands
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29 */
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30 buy_it()
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31 {
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32 reg int wh;
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33 struct linked_list *item;
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34
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35 if (purse <= 0) {
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36 msg("You have no money.");
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37 return;
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38 }
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39 if (curprice < 0) { /* if not yet priced */
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40 wh = price_it();
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41 if (!wh) /* nothing to price */
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42 return;
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43 msg("Do you want to buy it? ");
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44 do {
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45 wh = tolower(readchar());
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46 if (wh == ESCAPE || wh == 'n') {
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47 msg("");
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48 return;
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49 }
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50 } until(wh == 'y');
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51 }
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52 mpos = 0;
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53 if (curprice > purse) {
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54 msg("You can't afford to buy that %s !",curpurch);
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55 return;
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56 }
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57 /*
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58 * See if the hero has done all his transacting
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59 */
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60 if (!open_market())
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61 return;
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62 /*
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63 * The hero bought the item here
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64 */
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65 item = find_obj(hero.y, hero.x);
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66 mpos = 0;
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67 if (add_pack(NULL, TRUE, &item)) { /* try to put it in his pack */
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68 purse -= curprice; /* take his money */
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69 ++trader; /* another transaction */
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70 trans_line(); /* show remaining deals */
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71 curprice = -1; /* reset stuff */
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72 curpurch[0] = 0;
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73 whatis (item); /* identify it after purchase */
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74 (OBJPTR(item))->o_flags &= ~ISPOST; /* turn off ISPOST */
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75 msg("%s", inv_name(OBJPTR(item), TRUE));
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76 }
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77 }
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78
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79 /*
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80 * do_post:
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81 * Put a trading post room and stuff on the screen
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82 */
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83 do_post(startup)
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84 bool startup; /* True if equipping the player at the beginning of the game */
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85 {
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86 coord tp;
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87 reg int i, j, k;
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88 reg struct room *rp;
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89 reg struct object *op;
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90 reg struct linked_list *ll;
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