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annotate rogue4/pack.c @ 177:7bdac632ab9d

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srogue: fix an uninitialized variable. In wanderer(), if rp == hr, the loop could test ch before its value has been set. Initializing ch to '-' now causes the loop to repeat until a location is found.
author John "Elwin" Edwards
date Tue, 04 Aug 2015 11:39:49 -0400
parents 9535a08ddc39
children 1b73a8641b37
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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12
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1 /*
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2 * Routines to deal with the pack
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3 *
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4 * @(#)pack.c 4.15 (Berkeley) 4/6/82
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5 *
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6 * Rogue: Exploring the Dungeons of Doom
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7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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8 * All rights reserved.
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9 *
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10 * See the file LICENSE.TXT for full copyright and licensing information.
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11 */
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12
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13 #include <curses.h>
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14 #include <ctype.h>
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15 #include "rogue.h"
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16
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17 /*
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18 * update_mdest:
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19 * Called after picking up an object, before discarding it.
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20 * If this was the object of something's desire, that monster will
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21 * get mad and run at the hero
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22 */
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23 update_mdest(obj)
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24 register THING *obj;
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25 {
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26 register THING *mp;
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27
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28 for (mp = mlist; mp != NULL; mp = next(mp))
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29 if (mp->t_dest == &obj->o_pos)
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30 mp->t_dest = &hero;
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31 }
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32
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33 /*
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34 * add_pack:
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35 * Pick up an object and add it to the pack. If the argument is
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36 * non-null use it as the linked_list pointer instead of gettting
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37 * it off the ground.
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38 */
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39 add_pack(obj, silent)
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40 register THING *obj;
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41 bool silent;
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42 {
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43 register THING *op, *lp = NULL;
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44 register bool exact, from_floor;
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45 register char floor;
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46 int discarded = 0;
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47
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48 if (obj == NULL)
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49 {
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50 from_floor = TRUE;
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51 if ((obj = find_obj(hero.y, hero.x)) == NULL)
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52 return;
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53 }
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54 else
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55 from_floor = FALSE;
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56 /*
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57 * Link it into the pack. Search the pack for a object of similar type
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58 * if there isn't one, stuff it at the beginning, if there is, look for one
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59 * that is exactly the same and just increment the count if there is.
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60 * it that. Food is always put at the beginning for ease of access, but
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61 * is not ordered so that you can't tell good food from bad. First check
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62 * to see if there is something in thr same group and if there is then
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63 * increment the count.
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64 */
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65 /* floor = (proom->r_flags & ISGONE) ? PASSAGE : FLOOR; */
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66 if (proom) floor = (proom->r_flags & ISGONE) ? PASSAGE : FLOOR;
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67 else floor = FLOOR;
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68 if (obj->o_group)
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69 {
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70 for (op = pack; op != NULL; op = next(op))
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71 {
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72 if (op->o_group == obj->o_group)
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73 {
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74 /*
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75 * Put it in the pack and notify the user
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76 */
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77 op->o_count++;
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78 if (from_floor)
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79 {
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80 detach(lvl_obj, obj);
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81 mvaddch(hero.y, hero.x, floor);
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82 chat(hero.y, hero.x) = floor;
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83 }
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84 update_mdest(obj);
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85 discard(obj);
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86 obj = op;
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87 discarded = 1;
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88 goto picked_up;
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89 }
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90 }
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91 }
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92 /*
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93 * Check if there is room
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94 */
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95 if (inpack == MAXPACK-1)
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96 {
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97 msg("you can't carry anything else");
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98 return;
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99 }
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100 /*
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101 * Check for and deal with scare monster scrolls
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102 */
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103 if (obj->o_type == SCROLL && obj->o_which == S_SCARE)
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104 if (obj->o_flags & ISFOUND)
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105 {
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106 detach(lvl_obj, obj);