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annotate arogue5/io.c @ 248:182e26224f92 rel2016.06

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README.txt: additions and clarifications.
author John "Elwin" Edwards
date Sun, 29 May 2016 17:05:38 -0400
parents 56e748983fa8
children
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1 /*
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2 * Various input/output functions
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "Rogue: Exploring the Dungeons of Doom"
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 #include "curses.h"
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16 #include <ctype.h>
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c49f7927b0fa arogue5: add missing header files.
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17 #include <string.h>
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18 #include <stdarg.h>
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19 #include "rogue.h"
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20
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21 void doadd(char *fmt, va_list ap);
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22 void ministat(void);
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23
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24 /*
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25 * msg:
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26 * Display a message at the top of the screen.
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27 */
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28
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29 static char msgbuf[BUFSIZ];
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30 static int newpos = 0;
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31
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32 /*VARARGS1*/
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33 void
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34 msg(char *fmt, ...)
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35 {
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36 va_list ap;
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37 /*
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38 * if the string is "", just clear the line
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39 */
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40 if (*fmt == '\0')
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41 {
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42 overwrite(cw,msgw);
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43 wmove(msgw, 0, 0);
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44 clearok(msgw, FALSE);
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45 draw(msgw);
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46 mpos = 0;
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47 return;
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48 }
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49 /*
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50 * otherwise add to the message and flush it out
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51 */
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52 va_start(ap,fmt);
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53 doadd(fmt, ap);
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54 va_end(ap);
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55 endmsg();
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56 }
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57
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58 /*
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59 * add things to the current message
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60 */
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61 void
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62 addmsg(char *fmt, ...)
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63 {
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64 va_list ap;
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65 va_start(ap,fmt);
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66 doadd(fmt, ap);
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67 va_end(ap);
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68 }
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69
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70 /*
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71 * Display a new msg (giving him a chance to see the previous one if it
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72 * is up there with the --More--)
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73 */
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74 void
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75 endmsg(void)
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76 {
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77 strncpy(huh, msgbuf, sizeof(huh));
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78
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79 huh[ sizeof(huh) - 1 ] = 0;
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80
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81 if (mpos)
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82 {
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83 wmove(msgw, 0, mpos);
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84 waddstr(msgw, morestr);
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85 draw(cw);
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86 draw(msgw);
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87 wait_for(msgw,' ');
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88 overwrite(cw,msgw);
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89 wmove(msgw,0,0);
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90 touchwin(cw);
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91 }
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92 else {
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93 overwrite(cw,msgw);
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94 wmove(msgw,0,0);
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95 }
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96 waddstr(msgw, msgbuf);
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97 mpos = newpos;
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98 newpos = 0;
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99 msgbuf[0] = '\0';
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100 draw(cw);
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101 clearok(msgw, FALSE);
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102 draw(msgw);
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103 }
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104
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105 void