annotate rogue4/potions.c @ 262:c7c6c5a7d840

UltraRogue: fix a segfault related to restoring monsters. The functions for restoring saved games failed to properly correct the t_chasee pointer of monsters chasing the player. Such monsters would attempt to chase NULL instead, with predictable results.
author John "Elwin" Edwards
date Tue, 14 Feb 2017 20:42:33 -0500
parents 696277507a2e
children 3900f3cfe07d
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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 4.24 (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 "rogue.h"
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15
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16 /*
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17 * quaff:
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18 * Quaff a potion from the pack
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19 */
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20 void
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21 quaff(void)
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22 {
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23 register THING *obj, *th;
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24 register bool discardit = FALSE;
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25
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26 obj = get_item("quaff", POTION);
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27 /*
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28 * Make certain that it is somethings that we want to drink
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29 */
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30 if (obj == NULL)
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31 return;
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32 if (obj->o_type != POTION)
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33 {
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34 if (!terse)
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35 msg("yuk! Why would you want to drink that?");
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36 else
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37 msg("that's undrinkable");
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38 return;
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39 }
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40 if (obj == cur_weapon)
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41 cur_weapon = NULL;
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42
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43 /*
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44 * Calculate the effect it has on the poor guy.
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45 */
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46 switch (obj->o_which)
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47 {
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48 case P_CONFUSE:
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49 p_know[P_CONFUSE] = TRUE;
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50 if (!on(player, ISHUH))
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51 {
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52 if (on(player, ISHUH))
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53 lengthen(unconfuse, rnd(8)+HUHDURATION);
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54 else
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55 fuse(unconfuse, 0, rnd(8)+HUHDURATION, AFTER);
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56 player.t_flags |= ISHUH;
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57 msg("wait, what's going on here. Huh? What? Who?");
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58 }
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59 when P_POISON:
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60 p_know[P_POISON] = TRUE;
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61 if (!ISWEARING(R_SUSTSTR))
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62 {
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63 chg_str(-(rnd(3)+1));
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64 msg("you feel very sick now");
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65 }
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66 else
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67 msg("you feel momentarily sick");
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68 when P_HEALING:
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69 p_know[P_HEALING] = TRUE;
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70 if ((pstats.s_hpt += roll(pstats.s_lvl, 4)) > max_hp)
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71 pstats.s_hpt = ++max_hp;
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72 sight();
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73 msg("you begin to feel better");
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74 when P_STRENGTH:
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75 p_know[P_STRENGTH] = TRUE;
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76 chg_str(1);
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77 msg("you feel stronger, now. What bulging muscles!");
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78 when P_MFIND:
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79 player.t_flags |= SEEMONST;
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80 fuse(turn_see_off, TRUE, HUHDURATION, AFTER);
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81 if (mlist == NULL)
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82 msg("you have a strange feeling for a moment");
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83 else
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84 p_know[P_MFIND] |= turn_see(FALSE);
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85 when P_TFIND:
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86 /*
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87 * Potion of magic detection. Show the potions and scrolls
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88 */
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89 if (lvl_obj != NULL)
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90 {
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91 register THING *tp;
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92 register bool show;
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93
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94 show = FALSE;
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95 wclear(hw);
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96 for (tp = lvl_obj; tp != NULL; tp = next(tp))
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97 {
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98 if (is_magic(tp))
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99 {
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100 show = TRUE;
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101 mvwaddch(hw, tp->o_pos.y, tp->o_pos.x, MAGIC);
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102 p_know[P_TFIND] = TRUE;
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103 }
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