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annotate srogue/pack.c @ 168:82b2a046d151

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arogue7: fix inventory display bug again. Removing the call to msg() in restore() resulted in msgw remaining as it was when the game was saved. This results in another display glitch like that fixed by r163. Adding an empty message puts msgw into a reliable state.
author John "Elwin" Edwards
date Tue, 30 Jun 2015 12:00:02 -0400
parents 2128c7dc8a40
children 7f5f5f1ba09c
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36
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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 9.0 (rdk) 7/17/84
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5 *
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6 * Super-Rogue
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7 * Copyright (C) 1984 Robert D. Kindelberger
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8 * All rights reserved.
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9 *
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10 * Based on "Rogue: Exploring the Dungeons of Doom"
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11 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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12 * All rights reserved.
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13 *
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14 * See the file LICENSE.TXT for full copyright and licensing information.
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15 */
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16
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17 #include <ctype.h>
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18 #include "rogue.h"
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19 #include "rogue.ext"
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20
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21 /*
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22 * add_pack:
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23 * Pick up an object and add it to the pack. If the argument
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24 * is non-null use it as the linked_list pointer instead of
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25 * getting it off the ground.
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26 */
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27 add_pack(item, silent)
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28 struct linked_list *item;
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29 bool silent;
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30 {
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31 reg struct linked_list *ip, *lp;
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32 reg struct object *obj, *op;
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33 bool from_floor;
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34 char delchar;
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35
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36 if (player.t_room == NULL)
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37 delchar = PASSAGE;
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38 else
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39 delchar = FLOOR;
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40 if (item == NULL) {
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41 from_floor = TRUE;
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42 if ((item = find_obj(hero.y, hero.x)) == NULL) {
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43 mpos = 0;
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44 msg("That object must have been an illusion.");
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45 mvaddch(hero.y, hero.x, delchar);
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46 return FALSE;
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47 }
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48 /*
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49 * Check for scare monster scrolls
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50 */
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51 obj = OBJPTR(item);
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52 if (obj->o_type == SCROLL && obj->o_which == S_SCARE) {
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53 if (o_on(obj,ISFOUND)) {
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54 msg("The scroll turns to dust as you pick it up.");
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55 detach(lvl_obj, item);
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56 discard(item);
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57 mvaddch(hero.y, hero.x, delchar);
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58 return FALSE;
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59 }
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60 }
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61 }
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62 else
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63 from_floor = FALSE;
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64 obj = OBJPTR(item);
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65 /*
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66 * See if this guy can carry any more weight
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67 */
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68 if (itemweight(obj) + him->s_pack > him->s_carry) {
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69 msg("You can't carry that %s.", obj->o_typname);
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70 return FALSE;
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71 }
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72 /*
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73 * Check if there is room
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74 */
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75 if (packvol + obj->o_vol > V_PACK) {
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76 msg("That %s won't fit in your pack.", obj->o_typname);
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77 return FALSE;
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78 }
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79 if (from_floor) {
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80 detach(lvl_obj, item);
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81 mvaddch(hero.y, hero.x, delchar);
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82 }
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83 item->l_prev = NULL;
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84 item->l_next = NULL;
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85 setoflg(obj, ISFOUND);
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86 /*
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87 * start looking thru pack to find the start of items
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88 * with the same type.
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89 */
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90 lp = pack;
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91 for (ip = pack; ip != NULL; ip = next(ip)) {
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92 op = OBJPTR(ip);
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93 /*
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94 * If we find a matching type then quit.
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95 */
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96 if (op->o_type == obj->o_type)
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97 break;
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98 if (next(ip) != NULL)
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99 lp = next(lp); /* update "previous" entry */
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100 }
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101 /*
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102 * If the pack was empty, just stick the item in it.
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103 */
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104 if (pack == NULL) {
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105 pack = item;
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106 item->l_prev = NULL;
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107 }