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annotate rogue5/monsters.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 f502bf60e6e4
children
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33
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1 /*
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2 * File with various monster functions in it
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3 *
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4 * @(#)monsters.c 4.46 (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 <string.h>
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15 #include "rogue.h"
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16 #include <ctype.h>
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17
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18 /*
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19 * List of monsters in rough order of vorpalness
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20 */
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21 static const int lvl_mons[] = {
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22 'K', 'E', 'B', 'S', 'H', 'I', 'R', 'O', 'Z', 'L', 'C', 'Q', 'A',
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23 'N', 'Y', 'F', 'T', 'W', 'P', 'X', 'U', 'M', 'V', 'G', 'J', 'D'
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24 };
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25
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26 static const int wand_mons[] = {
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27 'K', 'E', 'B', 'S', 'H', 0, 'R', 'O', 'Z', 0, 'C', 'Q', 'A',
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28 0, 'Y', 0, 'T', 'W', 'P', 0, 'U', 'M', 'V', 'G', 'J', 0
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29 };
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30
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31 /*
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32 * randmonster:
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33 * Pick a monster to show up. The lower the level,
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34 * the meaner the monster.
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35 */
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36 int
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37 randmonster(int wander)
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38 {
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39 int d;
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40 const int *mons;
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41
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42 mons = (wander ? wand_mons : lvl_mons);
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43 do
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44 {
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45 d = level + (rnd(10) - 6);
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46 if (d < 0)
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47 d = rnd(5);
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48 if (d > 25)
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49 d = rnd(5) + 21;
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50 } while (mons[d] == 0);
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51 return mons[d];
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52 }
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53
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54 /*
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55 * new_monster:
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56 * Pick a new monster and add it to the list
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57 */
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58
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59 void
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60 new_monster(THING *tp, int type, const coord *cp)
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61 {
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62 struct monster *mp;
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63 int lev_add;
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64
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65 if ((lev_add = level - AMULETLEVEL) < 0)
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66 lev_add = 0;
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67 attach(mlist, tp);
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68 tp->t_type = type;
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69 tp->t_disguise = type;
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70 tp->t_pos = *cp;
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71 move(cp->y, cp->x);
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72 tp->t_oldch = CCHAR( inch() );
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73 tp->t_room = roomin(cp);
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74 moat(cp->y, cp->x) = tp;
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75 mp = &monsters[tp->t_type-'A'];
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76 tp->t_stats.s_lvl = mp->m_stats.s_lvl + lev_add;
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77 tp->t_stats.s_maxhp = tp->t_stats.s_hpt = roll(tp->t_stats.s_lvl, 8);
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78 tp->t_stats.s_arm = mp->m_stats.s_arm - lev_add;
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79 strcpy(tp->t_stats.s_dmg,mp->m_stats.s_dmg);
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80 tp->t_stats.s_str = mp->m_stats.s_str;
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81 tp->t_stats.s_exp = mp->m_stats.s_exp + lev_add * 10 + exp_add(tp);
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82 tp->t_flags = mp->m_flags;
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83 if (level > 29)
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84 tp->t_flags |= ISHASTE;
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85 tp->t_turn = TRUE;
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86 tp->t_pack = NULL;
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87 if (ISWEARING(R_AGGR))
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88 runto(cp);
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89 if (type == 'X')
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90 tp->t_disguise = rnd_thing();
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91 }
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92
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93 /*
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94 * expadd:
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95 * Experience to add for this monster's level/hit points
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96 */
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97 int
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98 exp_add(const THING *tp)
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99 {
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100 int mod;
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101
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102 if (tp->t_stats.s_lvl == 1)
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103 mod = tp->t_stats.s_maxhp / 8;
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104 else
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105 mod = tp->t_stats.s_maxhp / 6;
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