annotate urogue/artifact.c @ 305:3900f3cfe07d

Rogue V4: fix arithmetic operations on boolean variables. Monsters created by scrolls should now have their placement randomized correctly again.
author John "Elwin" Edwards
date Thu, 15 Apr 2021 20:55:34 -0400
parents c495a4f288c6
children
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1 /*
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2 artifact.c - functions for dealing with artifacts
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3
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4 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
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5 Copyright (C) 1985, 1986, 1992, 1993, 1995 Herb Chong
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6 All rights reserved.
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7
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8 See the file LICENSE.TXT for full copyright and licensing information.
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9 */
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10
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11 #include <stdlib.h>
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12 #include <ctype.h>
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13 #include "rogue.h"
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14
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15 /*
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16 apply()
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17 apply an artifact
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18 */
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19
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20 void
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21 apply(void)
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22 {
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23 struct linked_list *item;
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24 struct object *obj;
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25 int which;
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26 int chance;
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27
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28 if ((item = get_item("activate", ARTIFACT)) == NULL)
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29 return;
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30
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31 obj = OBJPTR(item);
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32 which = obj->o_which;
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33
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34 if (!(obj->ar_flags & ISACTIVE))
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35 {
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36 chance = rnd(100) - 10 * rnd(luck);
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37 debug("Rolled %d.", chance);
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38 if (chance < 5)
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39 do_major();
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40 else if (chance < 50)
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41 do_minor(obj);
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42 else
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43 obj->ar_flags |= ISACTIVE;
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44 }
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45
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46 if (obj->ar_flags & ISACTIVE)
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47 {
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48 switch (which)
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49 {
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50 case TR_PURSE: do_bag(obj);
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51 break;
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52 case TR_PHIAL: do_phial();
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53 break;
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54 case TR_AMULET: do_amulet();
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55 break;
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56 case TR_PALANTIR: do_palantir();
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57 break;
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58 case TR_CROWN: do_crown();
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59 break;
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60 case TR_SCEPTRE: do_sceptre();
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61 break;
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62 case TR_SILMARIL: do_silmaril();
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63 break;
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64 case TR_WAND: do_wand();
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65 break;
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66 default: nothing_message(ISCURSED);
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67 return;
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68 }
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69 }
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70
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71 if (rnd(pstats.s_lvl) < 6)
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72 do_minor(obj);
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73
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74 turn_on(player, POWEREAT);
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75 }
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76
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77 /*
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78 possessed(int artifact)
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79 was the hero carrying a particular artifact
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80 */
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81
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82 int
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83 possessed(int artifact)
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84 {
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85 return (picked_artifact >> artifact) & 1;
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86 }
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87
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88 /*
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89 is_carrying(int artifact)
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90 is the hero carrying a particular artifact
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91 */
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92
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93 int
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