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annotate xrogue/trader.c @ 191:fb25a62680c7

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srogue: clean up configuration in mdport.c. curses.h is already included in rogue.h and doesn't need to be included twice more in mdport.c. Also set flags for some features when they are present.
author John "Elwin" Edwards
date Mon, 03 Aug 2015 17:16:42 -0400
parents ce0cf824c192
children f54901b9c39b
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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 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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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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ce0cf824c192 xrogue: add missing includes.
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16 #include <string.h>
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17 #include "rogue.h"
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18
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19 /*
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20 * buy_it:
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21 * Buy the item on which the hero stands
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22 */
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23
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24 buy_it()
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25 {
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26 reg int wh;
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27 struct linked_list *item = NULL;
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28 struct object *obj = NULL;
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29 int wasfood = FALSE;
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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 = wgetch(cw);
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42 if (wh == ESC || 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 it!");
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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 obj = OBJPTR(item);
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63 mpos = 0;
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64 wasfood = ISMULT(obj->o_type);
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65 if (add_pack((struct linked_list *)NULL,TRUE)) {/* try to put it in his pack */
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66 purse -= curprice; /* take his money */
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67 ++trader; /* another transaction */
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68 trans_line(); /* show remaining deals */
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69 curprice = -1; /* reset stuff */
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70 curpurch[0] = 0;
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71 if (!wasfood) /* if it was food then the object has been deleted */
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72 {
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73 whatis (item); /* identify it */
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74 obj = OBJPTR(item);
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75 obj->o_flags &= ~ISPOST; /* turn off ISPOST */
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76 obj->o_flags |= ISKNOW; /* he knows the item */
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77 msg("%s", inv_name(obj, TRUE));
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78 }
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79 else
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80 msg("a food ration.");
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81 }
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82 }
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83
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84 /*
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85 * do_post:
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86 * Put a trading post room and stuff on the screen
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87 */
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88
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89 do_post(startup)
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90 bool startup; /* True if equipping the player at the beginning of the game */
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91 {
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92 coord tp;
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