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annotate xrogue/io.c @ 133:e6179860cb76

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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
author John "Elwin" Edwards
date Tue, 21 Apr 2015 08:55:20 -0400
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children ce0cf824c192
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133
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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 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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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 and AT&T
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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 <curses.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 /*
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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 /* VARARGS */
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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 wclear(msgw);
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43 overwrite(cw, msgw);
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44 wmove(msgw, 0, 0);
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45 clearok(msgw, FALSE);
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46 draw(msgw);
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47 mpos = 0;
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48 return;
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49 }
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50 /*
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51 * otherwise add to the message and flush it out
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52 */
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53 va_start(ap, fmt);
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54 doadd(fmt, ap);
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55 va_end(ap);
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56 endmsg();
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57 }
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58
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59 /*
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60 * add things to the current message
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61 */
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62
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63 /* VARARGS */
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64 void
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65 addmsg(char *fmt, ...)
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66 {
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67 va_list ap;
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68
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69 va_start(ap, fmt);
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70 doadd(fmt, ap);
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71 va_end(ap);
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72 }
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73
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74 /*
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75 * If there is no current message, do nothing. Otherwise, prompt the
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76 * player with the --More-- string. Then erase the message.
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77 */
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78
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79 rmmsg()
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80 {
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81 if (mpos) {
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82 wclear(msgw);
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83 overwrite(cw, msgw);
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84 mvwaddstr(msgw, 0, 0, huh);
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85 waddstr(msgw, morestr);
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86 clearok(msgw, FALSE);
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87 draw(msgw);
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88 wait_for(' ');
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89 msg("");
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90 }
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91 }
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92
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93 /*
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