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annotate rogue4/scrolls.c @ 87:f871cb0539d3

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Don't set the player's ISRUN flag. rogue4 and rogue5 set the player's ISRUN flag upon exit from sleep or holding. This is apparently supposed to indicate that the player can move again. What it actually does is make it harder for monsters to hit the player, until the flag is reset. As this behavior makes little sense and seems like a cheat, it has been deemed a bug and removed.
author John "Elwin" Edwards
date Tue, 13 Aug 2013 09:19:56 -0700
parents 9535a08ddc39
children 1b73a8641b37
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12
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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 4.21 (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 * 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 read_scroll()
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22 {
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23 register THING *obj;
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24 register int y, x;
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25 register char ch;
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26 register THING *op;
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27 register int index;
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28 register bool discardit = FALSE;
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29
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30 obj = get_item("read", SCROLL);
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31 if (obj == NULL)
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32 return;
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33 if (obj->o_type != SCROLL)
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34 {
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35 if (!terse)
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36 msg("there is nothing on it to read");
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37 else
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38 msg("nothing to read");
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39 return;
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40 }
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41 msg("as you read the scroll, it vanishes");
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42 /*
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43 * Calculate the effect it has on the poor guy.
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44 */
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45 if (obj == cur_weapon)
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46 cur_weapon = NULL;
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47 switch (obj->o_which)
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48 {
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49 case S_CONFUSE:
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50 /*
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51 * Scroll of monster confusion. Give him that power.
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52 */
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53 player.t_flags |= CANHUH;
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54 msg("your hands begin to glow red");
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55 when S_ARMOR:
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56 if (cur_armor != NULL)
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57 {
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58 cur_armor->o_ac--;
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59 cur_armor->o_flags &= ~ISCURSED;
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60 msg("your armor glows faintly for a moment");
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61 }
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62 when S_HOLD:
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63 /*
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64 * Hold monster scroll. Stop all monsters within two spaces
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65 * from chasing after the hero.
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66 */
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67
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68 for (x = hero.x - 2; x <= hero.x + 2; x++)
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69 if (x >= 0 && x < COLS)
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70 for (y = hero.y - 2; y <= hero.y + 2; y++)
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71 if (y >= 0 && y <= LINES - 1)
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72 if ((op = moat(y, x)) != NULL)
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73 {
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74 op->t_flags &= ~ISRUN;
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75 op->t_flags |= ISHELD;
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76 }
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77 when S_SLEEP:
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78 /*
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79 * Scroll which makes you fall asleep
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80 */
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81 s_know[S_SLEEP] = TRUE;
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82 no_command += rnd(SLEEPTIME) + 4;
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83 player.t_flags &= ~ISRUN;
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84 msg("you fall asleep");
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85 when S_CREATE:
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86 /*
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87 * Create a monster
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88 * First look in a circle around him, next try his room
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89 * otherwise give up
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90 */
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91 {
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92 register bool appear = 0;
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93 coord mp;
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94
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95 /*
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96 * Search for an open place
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97 */
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98 for (y = hero.y - 1; y <= hero.y + 1; y++)
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99 for (x = hero.x - 1; x <= hero.x + 1; x++)
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100 {
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101 /*
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102 * Don't put a monster in top of the player.
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103 */
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104 if (y == hero.y && x == hero.x)
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