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annotate arogue5/io.c @ 244:ded75a57405c

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Rogue V4, V5: fix messages when viewing the identified items. The functions for displaying the list of identified items begin by prompting for the category of item, using msg(). Rogue V4 left this prompt on the screen after displaying the discovery list. Rogue V5 erased the message window even if the process of printing the list created another message which the player had not read. Messages are now cleared in endline(), which is capable of checking whether clearing should be done.
author John "Elwin" Edwards
date Sun, 24 Apr 2016 13:33:17 -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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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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