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annotate rogue4/daemons.c @ 227:696277507a2e

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Rogue V4, V5: disable a cheat granting permanent monster detection. In these two games, a potion of monster detection turns on the player's SEEMONST flag. A fuse is set to call turn_see() to turn the flag back off. But the save and restore functions do not recognize turn_see() and fail to set the fuse up again. When restoring, Rogue V4 merely sets the fuse's function to NULL and leaves it burning. When it goes off, a segfault results. Rogue V5 clears all the fuse's fields, and the player retains the ability to see all monsters on the level. The save and restore code can now handle the fuse. The function used is a new wrapper, turn_see_off(), which should lead to less problems with daemons being multiple incompatible types. Also, Rogue V4 and Super-Rogue now properly clear unrecognized daemon and fuse slots when restoring a saved game.
author John "Elwin" Edwards
date Sat, 05 Mar 2016 12:10:20 -0500
parents 1b73a8641b37
children
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1 /*
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2 * All the daemon and fuse functions are in here
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3 *
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4 * @(#)daemons.c 4.10 (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 int between = 0;
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17
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18 /*
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19 * doctor:
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20 * A healing daemon that restors hit points after rest
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21 */
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22 void
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23 doctor(void)
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24 {
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25 register int lv, ohp;
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26
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27 lv = pstats.s_lvl;
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28 ohp = pstats.s_hpt;
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29 quiet++;
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30 if (lv < 8)
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31 {
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32 if (quiet + (lv << 1) > 20)
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33 pstats.s_hpt++;
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34 }
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35 else
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36 if (quiet >= 3)
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37 pstats.s_hpt += rnd(lv - 7) + 1;
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38 if (ISRING(LEFT, R_REGEN))
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39 pstats.s_hpt++;
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40 if (ISRING(RIGHT, R_REGEN))
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41 pstats.s_hpt++;
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42 if (ohp != pstats.s_hpt)
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43 {
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44 if (pstats.s_hpt > max_hp)
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45 pstats.s_hpt = max_hp;
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46 quiet = 0;
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47 }
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48 }
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49
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50 /*
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51 * Swander:
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52 * Called when it is time to start rolling for wandering monsters
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53 */
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54 void
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55 swander(void)
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56 {
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57 start_daemon(rollwand, 0, BEFORE);
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58 }
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59
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60 /*
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61 * rollwand:
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62 * Called to roll to see if a wandering monster starts up
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63 */
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64 void
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65 rollwand(void)
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66 {
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67 if (++between >= 4)
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68 {
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69 if (roll(1, 6) == 4)
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70 {
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71 wanderer();
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72 kill_daemon(rollwand);
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73 fuse(swander, 0, WANDERTIME, BEFORE);
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74 }
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75 between = 0;
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76 }
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77 }
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78
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79 /*
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80 * unconfuse:
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81 * Release the poor player from his confusion
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82 */
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83 void
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84 unconfuse(void)
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85 {
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86 player.t_flags &= ~ISHUH;
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87 msg("you feel less confused now");
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88 }
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89
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90 /*
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91 * unsee:
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92 * Turn off the ability to see invisible
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93 */
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94 void
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95 unsee(void)
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96 {
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97 register THING *th;
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98
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99 for (th = mlist; th != NULL; th = next(th))
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100 if (on(*th, ISINVIS) && see_monst(th))
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101 {
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