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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 f54901b9c39b
children 7c1cb43f346e
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1 /*
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2 rings.c - Routines dealing specificaly with rings
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3
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4 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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10 All rights reserved.
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11
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12 Based on "Rogue: Exploring the Dungeons of Doom"
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13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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14 All rights reserved.
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15
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16 See the file LICENSE.TXT for full copyright and licensing information.
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17 */
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18
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19 #include <stdlib.h>
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20 #include <string.h>
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21 #include <curses.h>
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22 #include "rogue.h"
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23
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24 /*
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25 * routines dealing specifically with rings
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26 */
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27
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28 /*
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29 * how much food does this ring use up?
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30 */
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31
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32 int
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33 ring_eat(int hand)
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34 {
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35 if (cur_ring[hand] == NULL)
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36 return 0;
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37 switch (cur_ring[hand]->o_which) {
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38 case R_VAMPREGEN:
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39 return 3;
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40 case R_REGEN:
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41 case R_SUSABILITY:
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42 return 2;
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43 case R_HEALTH:
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44 return 1;
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45 case R_SEARCH:
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46 case R_SEEINVIS:
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47 return (rnd(100) < 50); /* 0 or 1 */
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48 case R_DIGEST:
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49 if (cur_ring[hand]->o_ac >= 0)
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50 return (-(cur_ring[hand]->o_ac)-1);
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51 else
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52 return (-(cur_ring[hand]->o_ac));
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53 }
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54 return 0;
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55 }
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56
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57 void
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58 ring_on(struct linked_list *item)
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59 {
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60 register struct object *obj;
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61 register int save_max;
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62
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63 obj = OBJPTR(item);
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64
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65 /*
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66 * Calculate the effect it has on the poor guy.
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67 */
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68 switch (obj->o_which)
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69 {
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70 case R_ADDSTR:
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71 save_max = max_stats.s_str;
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72 chg_str(obj->o_ac);
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73 max_stats.s_str = save_max;
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74 when R_ADDHIT:
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75 pstats.s_dext += obj->o_ac;
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76 when R_ADDINTEL:
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77 pstats.s_intel += obj->o_ac;
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78 when R_ADDWISDOM:
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79 pstats.s_wisdom += obj->o_ac;
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80 when R_SEEINVIS:
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81 if (on(player, CANSEE)) msg("Your eyes sparkle.");
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82 else msg("Your eyes begin to tingle.");
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83 turn_on(player, CANSEE);
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84 light(&hero);
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85 mvwaddch(cw, hero.y, hero.x, PLAYER);
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86 when R_AGGR:
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87 aggravate(TRUE, TRUE); /* all charactors are affected*/
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88 when R_WARMTH:
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89 if (on(player, NOCOLD)) msg("You feel warm all over.");
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90 else msg("You begin to feel warm.");
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91 turn_on(player, NOCOLD);
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