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annotate arogue5/trader.c @ 63:0ed67132cf10

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Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
author elwin
date Thu, 09 Aug 2012 22:58:48 +0000
parents
children c49f7927b0fa
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63
0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * 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 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 "Super-Rogue"
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9 * Copyright (C) 1984 Robert D. Kindelberger
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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 #include "curses.h"
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16 #include "rogue.h"
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17
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18
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19
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20
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21
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22 /*
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23 * buy_it:
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24 * Buy the item on which the hero stands
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25 */
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26 buy_it()
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27 {
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28 reg int wh;
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29 struct linked_list *item;
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30
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31 if (purse <= 0) {
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32 msg("You have no money.");
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33 return;
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34 }
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35 if (curprice < 0) { /* if not yet priced */
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36 wh = price_it();
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37 if (!wh) /* nothing to price */
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38 return;
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39 msg("Do you want to buy it? ");
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40 do {
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41 wh = tolower(readchar());
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42 if (wh == ESCAPE || wh == 'n') {
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43 msg("");
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44 return;
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45 }
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46 } until(wh == 'y');
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47 }
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48 mpos = 0;
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49 if (curprice > purse) {
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50 msg("You can't afford to buy that %s !",curpurch);
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51 return;
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52 }
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53 /*
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54 * See if the hero has done all his transacting
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55 */
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56 if (!open_market())
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57 return;
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58 /*
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59 * The hero bought the item here
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60 */
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61 item = find_obj(hero.y, hero.x);
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62 mpos = 0;
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63 if (add_pack(NULL,TRUE,&item)) { /* try to put it in his pack */
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64 purse -= curprice; /* take his money */
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65 ++trader; /* another transaction */
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66 trans_line(); /* show remaining deals */
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67 curprice = -1; /* reset stuff */
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68 curpurch[0] = 0;
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69 whatis (item); /* identify it after purchase */
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70 (OBJPTR(item))->o_flags &= ~ISPOST; /* turn off ISPOST */
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71 msg("%s", inv_name(OBJPTR(item), TRUE));
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72 }
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73 }
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74
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75 /*
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76 * do_post:
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77 * Put a trading post room and stuff on the screen
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78 */
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79 do_post()
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80 {
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81 coord tp;
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82 reg int i;
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83 reg struct room *rp;
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84 reg struct object *op;
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85 reg struct linked_list *ll;
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86
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87 o_free_list(lvl_obj); /* throw old items away */
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88
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89 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++)
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90 rp->r_flags = ISGONE; /* kill all rooms */
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91
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92 rp = &rooms[0]; /* point to only room */
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93 rp->r_flags = 0; /* this room NOT gone */
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94 rp->r_max.x = 40;
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95 rp->r_max.y = 10; /* 10 * 40 room */
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96 rp->r_pos.x = (COLS - rp->r_max.x) / 2; /* center horizontal */
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97 rp->r_pos.y = 1; /* 2nd line */
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98 draw_room(rp); /* draw the only room */
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99 i = roll(4,10); /* 10 to 40 items */
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100 for (; i > 0 ; i--) { /* place all the items */
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101 ll = new_thing(ALL); /* get something */
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102 attach(lvl_obj, ll);
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