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annotate rogue5/scrolls.c @ 250:d08f19d529eb

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Rogue V5: fix save/restore making levitation, hallucination permanent. Like an earlier bug with detecting monsters, the fuses responsible for ending levitation and hallucination were not recognized by rs_write_daemons(). They got left out of the savefile, so after restoring, the effect never wore off. I think this is the first bugfix I've ever made that reduced the game's difficulty.
author John "Elwin" Edwards
date Wed, 20 Jul 2016 20:44:41 -0400
parents f502bf60e6e4
children
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33
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1 /*
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2 * Read a scroll and let it happen
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3 *
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4 * @(#)scrolls.c 4.44 (Berkeley) 02/05/99
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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 /*
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18 * read_scroll:
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19 * Read a scroll from the pack and do the appropriate thing
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20 */
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21
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22 void
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23 read_scroll(void)
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24 {
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25 THING *obj;
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26 PLACE *pp;
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27 int y, x;
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28 int ch;
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29 int i;
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30 int discardit = FALSE;
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31 struct room *cur_room;
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32 THING *orig_obj;
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33 coord mp;
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34
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35 obj = get_item("read", SCROLL);
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36 if (obj == NULL)
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37 return;
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38 if (obj->o_type != SCROLL)
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39 {
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40 if (!terse)
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41 msg("there is nothing on it to read");
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42 else
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43 msg("nothing to read");
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44 return;
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45 }
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46 /*
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47 * Calculate the effect it has on the poor guy.
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48 */
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49 if (obj == cur_weapon)
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50 cur_weapon = NULL;
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51 /*
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52 * Get rid of the thing
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53 */
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54 discardit = (obj->o_count == 1);
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55 leave_pack(obj, FALSE, FALSE);
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56 orig_obj = obj;
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57
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58 switch (obj->o_which)
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59 {
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60 case S_CONFUSE:
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61 /*
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62 * Scroll of monster confusion. Give him that power.
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63 */
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64 player.t_flags |= CANHUH;
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65 msg("your hands begin to glow %s", pick_color("red"));
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66 when S_ARMOR:
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67 if (cur_armor != NULL)
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68 {
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69 cur_armor->o_arm--;
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70 cur_armor->o_flags &= ~ISCURSED;
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71 msg("your armor glows %s for a moment", pick_color("silver"));
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72 }
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73 when S_HOLD:
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74 /*
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75 * Hold monster scroll. Stop all monsters within two spaces
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76 * from chasing after the hero.
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77 */
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78
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79 ch = 0;
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80 for (x = hero.x - 2; x <= hero.x + 2; x++)
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81 if (x >= 0 && x < NUMCOLS)
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82 for (y = hero.y - 2; y <= hero.y + 2; y++)
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83 if (y >= 0 && y <= NUMLINES - 1)
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84 if ((obj = moat(y, x)) != NULL && on(*obj, ISRUN))
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85 {
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86 obj->t_flags &= ~ISRUN;
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87 obj->t_flags |= ISHELD;
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88 ch++;
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89 }
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90 if (ch)
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91 {
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92 addmsg("the monster");
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93 if (ch > 1)
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94 addmsg("s around you");
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95 addmsg(" freeze");
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96 if (ch == 1)
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97 addmsg("s");
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98 endmsg();
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99 scr_info[S_HOLD].oi_know = TRUE;
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100 }
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101 else
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102 msg("you feel a strange sense of loss");
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103 when S_SLEEP:
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104 /*
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105 * Scroll which makes you fall asleep
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106 */
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