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annotate urogue/io.c @ 295:1e1c81fbb533

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Rogue V5: fix elemental wands. Bolts often failed to hit, due to some struct members not being initialized. Reported by 'LazyCat' from RogueTemple.
author John "Elwin" Edwards
date Fri, 12 Jan 2018 18:02:39 -0500
parents c495a4f288c6
children 0250220d8cdd
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1 /*
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2 io.c - Various input/output functions
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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 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka
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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 <string.h>
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20 #include <ctype.h>
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21 #include <stdarg.h>
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22 #include "rogue.h"
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23
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24 char prbuf[2 * LINELEN]; /* Buffer for sprintfs */
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25 static char mbuf[2*LINELEN]; /* Current message buffer */
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26 static int newpos = 0; /* index in mbuf to end of msg */
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27
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28 int mpos = 0; /* 0 = Overwrite existing message */
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29 /* >0 = print --More-- at this pos */
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30 /* and wait for key */
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31
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32 int line_cnt = 0;
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33 int newpage = FALSE;
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34
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35 /*
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36 msg()
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37 Display a message at the top of the screen.
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38 */
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39
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40 void
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41 msg(const char *fmt, ...)
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42 {
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43 va_list ap;
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44
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45 /* if the string is "", just clear the line */
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46
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47 if (*fmt == '\0')
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48 {
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49 wmove(cw, 0, 0);
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50 wclrtoeol(cw);
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51 mpos = 0;
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52 return;
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53 }
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54
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55 /* otherwise add to the message and flush it out */
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56
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57 va_start(ap, fmt);
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58 doadd(fmt, ap);
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59 va_end(ap);
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60
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61 endmsg();
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62 }
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63
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64 void
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65 vmsg(const char *fmt, va_list ap)
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66 {
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67 /* if the string is "", just clear the line */
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68
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69 if (*fmt == '\0')
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70 {
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71 wmove(cw, 0, 0);
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72 wclrtoeol(cw);
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73 mpos = 0;
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74 return;
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75 }
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76
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77 /* otherwise add to the message and flush it out */
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78
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79 doadd(fmt, ap);
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80 endmsg();
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81 }
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82
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83
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84 /*
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85 addmsg()
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86 add things to the current message
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87 */
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88
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89 void
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90 addmsg(const char *fmt, ...)
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91 {
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92 va_list ap;
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93
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94 va_start(ap, fmt);
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95 doadd(fmt,ap);
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