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annotate srogue/rings.c @ 235:2dcf10d45d5b

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Rogue V4: add two more function declarations. Though it was called with different numbers of arguments, add_line() does not need to be a variadic function. Making the second argument mandatory is a better solution.
author John "Elwin" Edwards
date Mon, 07 Mar 2016 19:26:08 -0500
parents 94a0d9dd5ce1
children e7862a021609
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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 9.0 (rdk) 7/17/84
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5 *
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6 * Super-Rogue
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7 * Copyright (C) 1984 Robert D. Kindelberger
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8 * All rights reserved.
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9 *
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10 * Based on "Rogue: Exploring the Dungeons of Doom"
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11 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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12 * All rights reserved.
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13 *
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14 * See the file LICENSE.TXT for full copyright and licensing information.
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15 */
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16
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17 #include <stdlib.h>
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18 #include <string.h>
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19 #include "rogue.h"
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20 #include "rogue.ext"
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21
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22 int gethand(bool isrmv);
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23 int ring_eat(void);
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24
36
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25 /*
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26 * ring_on:
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27 * Put on a ring
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28 */
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29 void
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30 ring_on(void)
36
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31 {
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32 reg struct object *obj;
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33 reg struct linked_list *item;
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34 reg int ring, wh;
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35 char buf[LINLEN];
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36 bool okring;
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37
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38 if (cur_ring[LEFT] != NULL && cur_ring[RIGHT] != NULL) {
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39 msg("Already wearing two rings.");
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40 after = FALSE;
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41 return;
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42 }
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43 /*
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44 * Make certain that it is somethings that we want to wear
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45 */
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46 if ((item = get_item("put on", RING)) == NULL)
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47 return;
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48 obj = OBJPTR(item);
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49 if (obj->o_type != RING) {
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50 msg("That won't fit on your finger.");
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51 return;
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52 }
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53 /*
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54 * find out which hand to put it on
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55 */
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56 if (is_current(obj))
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57 return;
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58 if (cur_ring[LEFT] == NULL && cur_ring[RIGHT] == NULL) {
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59 if ((ring = gethand(FALSE)) < 0)
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60 return;
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61 }
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62 else if (cur_ring[LEFT] == NULL)
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63 ring = LEFT;
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64 else
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65 ring = RIGHT;
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66 cur_ring[ring] = obj;
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67 wh = obj->o_which;
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68 /*
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69 * okring = FALSE when:
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70 * 1) ring is cursed and benefit = plus
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71 * 2) ring is blessed and benefit = minus
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72 */
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73 okring = !((obj->o_ac > 0 && o_on(obj, ISCURSED)) ||
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74 (obj->o_ac < 0 && o_on(obj, ISBLESS)));
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75 /*
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76 * Calculate the effect it has on the poor guy (if possible).
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77 */
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78 if (okring) {
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79 switch (wh) {
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80 case R_SPEED:
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81 if (--obj->o_ac < 0) {
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82 obj->o_ac = 0;
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83 setoflg(obj,ISCURSED);
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84 }
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85 else {
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86 add_haste(FALSE);
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87 msg("You find yourself moving must faster.");
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88 }
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89 when R_GIANT: /* to 24 */
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90 him->s_ef.a_str = MAXSTR;
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91 when R_ADDSTR:
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92 chg_abil(STR,obj->o_ac,FROMRING);
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93 when R_KNOW:
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94 chg_abil(WIS,obj->o_ac,FROMRING);
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95 when R_DEX:
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96 chg_abil(DEX,obj->o_ac,FROMRING);
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97 when R_CONST:
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98 chg_abil(CON,obj->o_ac,FROMRING);
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99 when R_SEEINVIS:
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100 player.t_flags |= CANSEE;
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101 light(&hero);
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102 mvwaddch(cw, hero.y, hero.x, PLAYER);
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103 when R_AGGR:
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104 aggravate();
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