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annotate urogue/trader.c @ 258:2908dc47f9e2

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UltraRogue: fix crash when restoring. The r_flags field in struct room was being written as an int and read as a short. This caused the restore functions to receive the wrong data, usually an impossible string length, and abort. This breaks save compatibility, though the save files had problems anyway: the r_fires field should have been used, instead of reading and writing r_flags twice.
author John "Elwin" Edwards
date Wed, 08 Feb 2017 19:50:36 -0500
parents c495a4f288c6
children 0250220d8cdd
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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 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
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5 Copyright (C) 1985, 1986, 1992, 1993, 1995 Herb Chong
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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
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10 All rights reserved.
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11
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12 Based on "Rogue: Exploring the Dungeons of Doom"
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13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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14 All rights reserved.
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15
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16 See the file LICENSE.TXT for full copyright and licensing information.
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17 */
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18
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19 #include <string.h>
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20 #include <stdlib.h>
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21 #include <ctype.h>
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22 #include "rogue.h"
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23
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24 #define EFFECTIVE_PURSE ((player.t_ctype==C_PALADIN)?(9 * purse / 10) : purse)
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25
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26 /*
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27 do_post()
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28 Buy and sell things in a trading post
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29 */
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30
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31 void
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32 display_postinfo(void)
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33 {
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34 wclear(hw);
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35 wstandout(hw);
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36 mvwaddstr(hw, 0, COLS / 2 - 30,
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37 "Welcome to Friendly Fiend's Flea Market" );
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38 wstandend(hw);
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39 wclrtoeol(hw);
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40 trans_line();
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41 }
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42
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43 void
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44 do_post(void)
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45 {
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46 int bad_letter = FALSE;
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47
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48 player.t_trans = 0;
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49
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50 for (;;)
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51 {
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52 if (!open_market())
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53 return;
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54
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55 display_postinfo();
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56
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57 if (bad_letter)
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58 {
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59 bad_letter = FALSE;
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60 wstandout(hw);
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61 mvwaddstr(hw, 7, 0, "Type 'i' or 'I' to inventory, "
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62 "'l' to leave, 'b' to buy, or 's' to sell");
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63 wstandend(hw);
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64 }
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65
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66 mvwaddstr(hw, 6, 0, "Do you wish to buy, sell, inventory, or leave?");
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67 wrefresh(hw);
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68
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69 switch(readcharw(hw))
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70 {
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71 case 'b':
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72 mvwaddstr(hw, 7, 0,
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73 "Lets go into the buying section of the store...");
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74 touchwin(hw);
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75 wrefresh(hw);
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76 buy_it('\0', ISNORMAL);
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77 break;
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78
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79 case 's':
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80 mvwaddstr(hw, 7, 0,
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81 "Lets go into the selling section of the store...");
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82 touchwin(hw);
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83 wrefresh(hw);
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84 sell_it();
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85 break;
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86
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87 case 'i':
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88 inventory(pack, '*');
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89 break;
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90
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91 case 'I':
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92 wclear(hw);
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93 wrefresh(hw);