Mercurial > hg > early-roguelike
annotate rogue5/new_level.c @ 81:0e212d46b68f
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 |
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date | Mon, 05 Aug 2013 20:49:41 -0700 |
parents | f502bf60e6e4 |
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rev | line source |
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33
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1 /* |
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2 * new_level: |
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3 * Dig and draw a new level |
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4 * |
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5 * @(#)new_level.c 4.38 (Berkeley) 02/05/99 |
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6 * |
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7 * Rogue: Exploring the Dungeons of Doom |
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8 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman |
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9 * All rights reserved. |
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10 * |
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11 * See the file LICENSE.TXT for full copyright and licensing information. |
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12 */ |
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13 |
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14 #include <curses.h> |
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15 #include <string.h> |
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16 #include "rogue.h" |
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17 |
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18 #define TREAS_ROOM 20 /* one chance in TREAS_ROOM for a treasure room */ |
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19 #define MAXTREAS 10 /* maximum number of treasures in a treasure room */ |
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20 #define MINTREAS 2 /* minimum number of treasures in a treasure room */ |
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21 |
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22 void |
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23 new_level(void) |
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24 { |
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25 THING *tp; |
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26 PLACE *pp; |
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27 int *sp; |
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28 int i; |
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29 |
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30 player.t_flags &= ~ISHELD; /* unhold when you go down just in case */ |
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31 if (level > max_level) |
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32 max_level = level; |
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33 /* |
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34 * Clean things off from last level |
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35 */ |
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36 for (pp = places; pp < &places[MAXCOLS*MAXLINES]; pp++) |
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37 { |
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38 pp->p_ch = ' '; |
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39 pp->p_flags = F_REAL; |
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40 pp->p_monst = NULL; |
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41 } |
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42 clear(); |
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43 /* |
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44 * Free up the monsters on the last level |
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45 */ |
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46 for (tp = mlist; tp != NULL; tp = next(tp)) |
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47 free_list(tp->t_pack); |
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48 free_list(mlist); |
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49 /* |
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50 * Throw away stuff left on the previous level (if anything) |
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51 */ |
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52 free_list(lvl_obj); |
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53 do_rooms(); /* Draw rooms */ |
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54 do_passages(); /* Draw passages */ |
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55 no_food++; |
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56 put_things(); /* Place objects (if any) */ |
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57 /* |
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58 * Place the traps |
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59 */ |
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60 if (rnd(10) < level) |
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61 { |
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62 ntraps = rnd(level / 4) + 1; |
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63 if (ntraps > MAXTRAPS) |
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64 ntraps = MAXTRAPS; |
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65 i = ntraps; |
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66 while (i--) |
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67 { |
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68 /* |
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69 * not only wouldn't it be NICE to have traps in mazes |
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70 * (not that we care about being nice), since the trap |
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71 * number is stored where the passage number is, we |
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72 * can't actually do it. |
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73 */ |
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74 do |
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75 { |
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76 find_floor(NULL, &stairs, FALSE, FALSE); |
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77 } while ( (chat(stairs.y, stairs.x) != FLOOR) && |
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78 (flat(stairs.y, stairs.x) & F_REAL) ); |
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79 sp = &flat(stairs.y, stairs.x); |
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80 *sp &= ~(F_REAL | F_TMASK); |
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81 *sp |= rnd(NTRAPS); |
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82 } |
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83 } |
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84 /* |
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85 * Place the staircase down. |
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86 */ |
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87 find_floor(NULL, &stairs, FALSE, FALSE); |
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88 chat(stairs.y, stairs.x) = STAIRS; |
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89 seenstairs = FALSE; |
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90 |
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91 for (tp = mlist; tp != NULL; tp = next(tp)) |
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92 tp->t_room = roomin(&tp->t_pos); |
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93 |
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94 find_floor(NULL, &hero, FALSE, TRUE); |
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95 enter_room(&hero); |
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96 mvaddch(hero.y, hero.x, PLAYER); |
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97 if (on(player, SEEMONST)) |
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98 turn_see(FALSE); |
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99 if (on(player, ISHALU)) |
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100 visuals(); |
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101 } |
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102 |
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103 /* |
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104 * rnd_room: |
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105 * Pick a room that is really there |
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