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annotate rogue4/rings.c @ 306:057c5114e244

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Super-Rogue: fix some out-of-range constants. Constants K_ARROW etc., for causes of death other than monsters, are in the 240-255 range. They were often passed to functions taking char, which is usually signed, making the values out of range. The function declarations have been changed to unsigned char, which is also the type used by the scoreboard code.
author John "Elwin" Edwards
date Sat, 17 Apr 2021 15:41:12 -0400
parents 1b73a8641b37
children
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12
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1 /*
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2 * Routines dealing specifically with rings
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3 *
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4 * @(#)rings.c 4.13 (Berkeley) 1/28/82
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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 <string.h>
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15 #include "rogue.h"
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16
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17 int gethand(void);
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18
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19 /*
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20 * ring_on:
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21 * Put a ring on a hand
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22 */
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23 void
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24 ring_on(void)
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25 {
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26 register THING *obj;
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27 register int ring;
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28
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29 obj = get_item("put on", RING);
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30 /*
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31 * Make certain that it is somethings that we want to wear
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32 */
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33 if (obj == NULL)
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34 return;
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35 if (obj->o_type != RING)
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36 {
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37 if (!terse)
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38 msg("it would be difficult to wrap that around a finger");
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39 else
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40 msg("not a ring");
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41 return;
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42 }
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43
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44 /*
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45 * find out which hand to put it on
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46 */
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47 if (is_current(obj))
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48 return;
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49
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50 if (cur_ring[LEFT] == NULL && cur_ring[RIGHT] == NULL)
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51 {
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52 if ((ring = gethand()) < 0)
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53 return;
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54 }
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55 else if (cur_ring[LEFT] == NULL)
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56 ring = LEFT;
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57 else if (cur_ring[RIGHT] == NULL)
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58 ring = RIGHT;
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59 else
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60 {
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61 if (!terse)
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62 msg("you already have a ring on each hand");
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63 else
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64 msg("wearing two");
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65 return;
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66 }
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67 cur_ring[ring] = obj;
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68
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69 /*
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70 * Calculate the effect it has on the poor guy.
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71 */
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72 switch (obj->o_which)
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73 {
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74 case R_ADDSTR:
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75 chg_str(obj->o_ac);
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76 break;
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77 case R_SEEINVIS:
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78 invis_on();
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79 break;
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80 case R_AGGR:
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81 aggravate();
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82 break;
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83 }
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84
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85 if (!terse)
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86 addmsg("you are now wearing ");
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87 msg("%s (%c)", inv_name(obj, TRUE), pack_char(obj));
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88 }
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89
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90 /*
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91 * ring_off:
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92 * Take off a ring
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93 */
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94 void
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95 ring_off(void)
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96 {
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97 register int ring;
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98 register THING *obj;
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99 register char packchar;
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100
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101 if (cur_ring[LEFT] == NULL && cur_ring[RIGHT] == NULL)
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102 {
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103 if (terse)
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104 msg("no rings");
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