Mercurial > hg > early-roguelike
annotate rogue5/potions.c @ 111:7f8f43943b1f
Fix some terribly depressing corruption during restore.
In rogue5/state.c, rs_read_daemons() zeroes out the argument and delay
if the daemon slot is empty. Unfortunately that code ended up on the
wrong side of the brace that closes the for loop, so instead of running
after each daemon, it got run once after the loop exited, when the
index was of course out of bounds.
This tended to manifest, when compiled with -O2, by overwriting hw and
setting it to NULL. When inventory() next ran, hw would be passed to
wgetch(), which returns ERR when it gets a NULL argument. This made
md_readchar() think something was wrong and autosave the game.
Upon investigation, rogue3 was found to commit the same mistake.
rogue4 and srogue don't zero the data. arogue5 already does it
properly.
Someday I am going to run all this through Valgrind. Someday when I
am a kinder person who will not be driven to invoke hordes of trolls
and centaurs upon the original authors.
author | John "Elwin" Edwards |
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date | Wed, 08 Jan 2014 16:44:16 -0500 |
parents | f502bf60e6e4 |
children | 696277507a2e |
rev | line source |
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33
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1 /* |
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2 * Function(s) for dealing with potions |
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3 * |
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4 * @(#)potions.c 4.46 (Berkeley) 06/07/83 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980-1983, 1985, 1999 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 typedef struct PACT |
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18 { |
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19 const int pa_flags; |
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20 void (*pa_daemon)(); |
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21 const int pa_time; |
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22 const char *pa_high, *pa_straight; |
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23 } PACT; |
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24 |
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25 static const PACT p_actions[] = |
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26 { |
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27 { ISHUH, unconfuse, HUHDURATION, /* P_CONFUSE */ |
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28 "what a tripy feeling!", |
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29 "wait, what's going on here. Huh? What? Who?" }, |
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30 { ISHALU, come_down, SEEDURATION, /* P_LSD */ |
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31 "Oh, wow! Everything seems so cosmic!", |
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32 "Oh, wow! Everything seems so cosmic!" }, |
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33 { 0, NULL, 0 }, /* P_POISON */ |
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34 { 0, NULL, 0 }, /* P_STRENGTH */ |
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35 { CANSEE, unsee, SEEDURATION, /* P_SEEINVIS */ |
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36 prbuf, |
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37 prbuf }, |
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38 { 0, NULL, 0 }, /* P_HEALING */ |
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39 { 0, NULL, 0 }, /* P_MFIND */ |
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40 { 0, NULL, 0 }, /* P_TFIND */ |
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41 { 0, NULL, 0 }, /* P_RAISE */ |
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42 { 0, NULL, 0 }, /* P_XHEAL */ |
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43 { 0, NULL, 0 }, /* P_HASTE */ |
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44 { 0, NULL, 0 }, /* P_RESTORE */ |
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45 { ISBLIND, sight, SEEDURATION, /* P_BLIND */ |
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46 "oh, bummer! Everything is dark! Help!", |
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47 "a cloak of darkness falls around you" }, |
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48 { ISLEVIT, land, HEALTIME, /* P_LEVIT */ |
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49 "oh, wow! You're floating in the air!", |
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50 "you start to float in the air" } |
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51 }; |
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52 |
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53 /* |
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54 * quaff: |
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55 * Quaff a potion from the pack |
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56 */ |
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57 |
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58 void |
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59 quaff(void) |
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60 { |
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61 THING *obj, *tp, *mp; |
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62 int discardit = FALSE; |
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63 int show, trip; |
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64 |
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65 obj = get_item("quaff", POTION); |
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66 /* |
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67 * Make certain that it is somethings that we want to drink |
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68 */ |
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69 if (obj == NULL) |
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70 return; |
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71 if (obj->o_type != POTION) |
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72 { |
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73 if (!terse) |
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74 msg("yuk! Why would you want to drink that?"); |
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75 else |
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76 msg("that's undrinkable"); |
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77 return; |
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78 } |
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79 if (obj == cur_weapon) |
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80 cur_weapon = NULL; |
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81 |
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82 /* |
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83 * Calculate the effect it has on the poor guy. |
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84 */ |
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85 trip = on(player, ISHALU); |
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86 discardit = (obj->o_count == 1); |
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87 leave_pack(obj, FALSE, FALSE); |
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88 switch (obj->o_which) |
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89 { |
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90 case P_CONFUSE: |
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91 do_pot(P_CONFUSE, !trip); |
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92 when P_POISON: |
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93 pot_info[P_POISON].oi_know = TRUE; |
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94 if (ISWEARING(R_SUSTSTR)) |
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95 msg("you feel momentarily sick"); |
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96 else |
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97 { |
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98 chg_str(-(rnd(3) + 1)); |
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99 msg("you feel very sick now"); |
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100 come_down(); |
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101 } |
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102 when P_HEALING: |
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103 pot_info[P_HEALING].oi_know = TRUE; |
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104 if ((pstats.s_hpt += roll(pstats.s_lvl, 4)) > max_hp) |
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105 pstats.s_hpt = ++max_hp; |