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annotate srogue/io.c @ 167:a0a57cf42810

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ARogue family: don't hide messages caused by moving to a new level. new_level() redraws the whole screen, including the message line, so if msg() has just been called, the message will likely not last long enough to be noticed. These cases have been changed so that msg() is called after new_level(). If a fall through a trapdoor is fatal, "You fall into a trap!" is no longer printed, but the tombstone should make things clear.
author John "Elwin" Edwards
date Mon, 29 Jun 2015 20:37:32 -0400
parents 458df24e973d
children 94a0d9dd5ce1
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1 /*
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2 * Various input/output functions
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3 *
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4 * @(#)io.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 <stdarg.h>
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18 #include <ctype.h>
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19 #include <string.h>
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20 #include "rogue.h"
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21 #include "rogue.ext"
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22
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23 int md_readchar(WINDOW *win);
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24
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25 /*
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26 * msg:
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27 * Display a message at the top of the screen.
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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 msg(char *fmt, ...)
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33 {
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34 va_list ap;
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35 /*
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36 * if the string is "", just clear the line
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37 */
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38 if (*fmt == '\0') {
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39 wmove(cw, 0, 0);
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40 wclrtoeol(cw);
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41 mpos = 0;
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42 return;
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43 }
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44 /*
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45 * otherwise add to the message and flush it out
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46 */
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47 va_start(ap, fmt);
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48 doadd(fmt, ap);
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49 va_end(ap);
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50 endmsg();
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51 }
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52
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53 /*
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54 * addmsg:
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55 * Add things to the current message
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56 */
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57 addmsg(char *fmt, ...)
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58 {
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59 va_list ap;
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60
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61 va_start(ap, fmt);
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62 doadd(fmt, ap);
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63 va_end(ap);
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64 }
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65
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66 /*
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67 * endmsg:
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68 * Display a new msg, giving him a chance to see the
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69 * previous one if it is up there with the --More--
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70 */
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71 endmsg()
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72 {
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73 strcpy(huh, msgbuf);
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74 if (mpos > 0) {
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75 wmove(cw, 0, mpos);
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76 waddstr(cw, morestr);
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77 draw(cw);
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78 wait_for(cw, ' ');
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79 }
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80 mvwaddstr(cw, 0, 0, msgbuf);
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81 wclrtoeol(cw);
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82 mpos = newpos;
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83 newpos = 0;
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84 draw(cw);
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85 }
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86
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87 /*
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88 * doadd:
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89 * Perform a printf into a buffer
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90 */
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91 doadd(char *fmt, va_list ap)
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92 {
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93 vsprintf(&msgbuf[newpos], fmt, ap);
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94 newpos = strlen(msgbuf);
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95 }
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96
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97 /*
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98 * step_ok:
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99 * Returns TRUE if it is ok to step on ch
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100 */
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101 step_ok(ch)
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102 unsigned char ch;
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103 {
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104 if (dead_end(ch))
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105 return FALSE;
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106 else if (ch >= 32 && ch <= 127 && !isalpha(ch))
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107 return TRUE;
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