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annotate arogue5/new_level.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 0ed67132cf10
children 56e748983fa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * new_level: Dig and draw a new level
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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 "rogue.h"
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17 #define TERRASAVE 3
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18
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19 new_level(ltype)
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20 LEVTYPE ltype; /* designates type of level to create */
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21 {
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22 register int rm = 0, i, cnt;
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23 register char ch;
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24 register struct linked_list *item;
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25 register struct thing *tp;
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26 register struct object *obj;
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27 int waslit = 0; /* Was the previous outside level lit? */
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28 int starty = 0, startx = 0, deltay = 0, deltax = 0;
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29 bool fresh=TRUE, vert = 0, top;
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30 struct room *rp;
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31 struct linked_list *nitem, *savmonst=NULL, *savitems=NULL;
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32 coord stairs = { 0, 0 };
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33
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34 if (wizard) {
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35 msg("Turns: %d", turns); /* Number of turns for last level */
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36 mpos = 0;
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37 }
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38
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39 /* Start player off right */
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40 turn_off(player, ISHELD);
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41 turn_off(player, ISFLEE);
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42 extinguish(suffocate);
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43 hold_count = 0;
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44 trap_tries = 0;
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45
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46 /* Are we just entering a dungeon? If so, how big is it? */
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47 if (ltype != OUTSIDE && nfloors < 0) nfloors = HARDER+10 + rnd(11);
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48
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49 if (level > max_level)
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50 max_level = level;
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51
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52 /* Are we starting a new outside level? */
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53 if (ltype == OUTSIDE) {
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54 register int i, j;
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55
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56 /* Save some information prior to clearing the screen */
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57 if (level == -1 || mvinch(hero.y, hero.x) == '-') vert = TRUE;
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58 else vert = FALSE;
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59
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60 if (level == -1) {
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61 fresh = TRUE;
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62 starty = 2;
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63 startx = 1;
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64 deltay = deltax = 1;
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65 level = 0; /* Restore the level */
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66 }
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67 else { /* Copy several lines of the terrain to the other end */
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68 char cch; /* Copy character */
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69
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70 /* Was the area dark (not magically lit)? */
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71 if (!(rooms[0].r_flags & ISDARK)) waslit = 1;
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72
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73 fresh = FALSE;
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74 if ((vert && hero.y == 1) || (!vert && hero.x == 0)) top = TRUE;
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75 else top = FALSE;
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76 for (i=0; i<TERRASAVE; i++) {
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77 if (vert)
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78 for (j=1; j<COLS-1; j++) {
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79 if (top) {
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80 cch = CCHAR( mvinch(i+2, j) );
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81 mvaddch(LINES-6+i, j, cch);
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82 }
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83 else {
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84 cch = CCHAR( mvinch(LINES-4-i, j) );
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85 mvaddch(4-i, j, cch);
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86 }
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87 }
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88 else
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89 for (j=2; j<LINES-3; j++) {
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90 if (top) {
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91 cch = CCHAR( mvinch(j, i+1) );
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92 mvaddch(j, COLS-4+i, cch);
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93 }
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94 else {
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95 cch = CCHAR( mvinch(j, COLS-2-i) );
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96 mvaddch(j, 3-i, cch);
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97 }
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98 }
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99 }
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100
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101 if (vert) {
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102 startx = deltax = 1;
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