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annotate srogue/disply.c @ 81:0e212d46b68f

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rogue4: don't put savefile metadata into the savefile. The save_file() function in save.c stored the savefile's device number, inode number, creation time, and modification time in the file. The restore() function read them back, and apparently used to compare them to protect against cheaters. Unfortunately, the types and sizes of these numbers differ from system to system, which ruins the Roguelike Restoration Project's fine portability work. So they have been removed from the savefile. This BREAKS SAVEFILE COMPATIBILITY, but old files can be converted by excising the chunk starting at offset 0x22 with length sizeof(ino_t) + sizeof(dev_t) + 2 * sizeof(time_t). That's 0x14 on i686 and 0x20 on x86_64, at least with current versions of Linux and glibc.
author John "Elwin" Edwards
date Mon, 05 Aug 2013 20:49:41 -0700
parents 2128c7dc8a40
children 94a0d9dd5ce1
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36
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1 /*
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2 * various display routines and flag checking functions
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3 *
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4 * @(#)disply.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 * See the file LICENSE.TXT for full copyright and licensing information.
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11 */
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12
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13 #include "rogue.h"
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14 #include <ctype.h>
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15 #include "rogue.ext"
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16
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17 /*
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18 * displevl:
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19 * Display detailed level for wizard and scroll
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20 */
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21 displevl()
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22 {
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23 reg char ch, mch;
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24 reg int i,j;
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25 reg struct room *rp;
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26
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27 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++)
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28 rp->r_flags &= ~ISDARK;
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29
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30 for (i = 0; i < LINES - 2; i++) {
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31 for (j = 0; j < COLS - 1; j++) {
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32 ch = mvinch(i,j);
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33 if (isatrap(ch)) {
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34 struct trap *what;
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35
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36 what = trap_at(i, j);
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37 if (what != NULL)
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38 what->tr_flags |= ISFOUND;
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39 }
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40 else if (ch == SECRETDOOR) {
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41 ch = DOOR;
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42 mvaddch(i, j, ch);
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43 }
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44 else if (illeg_ch(ch)) {
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45 ch = FLOOR;
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46 mvaddch(i, j, ch);
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47 }
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48 if (mvwinch(mw, i, j) != ' ') {
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49 struct linked_list *what;
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50 struct thing *it;
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51
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52 what = find_mons(i, j);
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53 if (what == NULL) {
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54 ch = FLOOR;
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55 mvaddch(i, j, ch);
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56 }
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57 else {
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58 it = THINGPTR(what);
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59 it->t_oldch = ch;
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60 }
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61 }
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62 mch = mvwinch(cw, i, j);
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63 if (isalpha(mch))
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64 ch = mch;
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65 mvwaddch(cw, i, j, ch);
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66 }
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67 }
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68 nochange = FALSE; /* display status again */
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69 draw(cw);
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70 }
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71
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72 /*
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73 * dispmons:
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74 * Show monsters for wizard and potion
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75 */
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76 dispmons()
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77 {
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78 reg int ch, y, x;
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79 reg struct thing *it;
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80 reg struct linked_list *item;
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81
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82 for (item = mlist; item != NULL; item = next(item)) {
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83 it = THINGPTR(item);
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84 y = it->t_pos.y;
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85 x = it->t_pos.x;
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86 mvwaddch(cw, y, x, it->t_type);
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87 it->t_flags |= ISFOUND;
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88 if (it->t_type == 'M') /* if a mimic */
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89 it->t_disguise = 'M'; /* give it away */
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90 }
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91 draw(cw);
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92 }
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93
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94 /*
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95 * winat:
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96 * Get whatever character is at a location on the screen
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97 */
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98 winat(y, x)
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99 int x, y;
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100 {
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101 reg char ch;
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102
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103 if (mvwinch(mw,y,x) == ' ')
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104 ch = mvinch(y, x); /* non-monsters */
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105 else
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106 ch = winch(mw); /* monsters */