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annotate rogue3/newlevel.c @ 82:f11eeafc6568

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srogue: don't store machine-dependent metadata in the savefile. Super-Rogue, like Rogue V4, stored data of machine-dependent length in the savefile, to prevent cheating. This made saved games non-portable. Also deleted was a check that used this data, and prevented restoring savefiles from backup. This change BREAKS SAVEFILE COMPATIBILITY, but old files can be converted by removing the block at offset 0x1e with length sizeof(ino_t) + sizeof(dev_t) + 2 * sizeof(time_t). That seems to be 0x14 on i686 and 0x20 on x86_64.
author John "Elwin" Edwards
date Tue, 06 Aug 2013 19:02:58 -0700
parents 527e2150eaf0
children
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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 3.7 (Berkeley) 6/2/81
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6 *
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7 * Rogue: Exploring the Dungeons of Doom
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8 * Copyright (C) 1980, 1981 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 "rogue.h"
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16
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17 #include <string.h>
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18
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19 void
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20 new_level()
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21 {
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22 int rm, i;
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23 int ch = 0;
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24 coord stairs;
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25
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26 if (level > max_level)
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27 max_level = level;
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28 wclear(cw);
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29 wclear(mw);
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30 clear();
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31 status();
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32 /*
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33 * Free up the monsters on the last level
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34 */
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35 free_list(mlist);
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36 do_rooms(); /* Draw rooms */
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37 do_passages(); /* Draw passages */
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38 no_food++;
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39 put_things(); /* Place objects (if any) */
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40 /*
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41 * Place the staircase down.
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42 */
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43 do {
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44 rm = rnd_room();
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45 rnd_pos(&rooms[rm], &stairs);
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46 } until (winat(stairs.y, stairs.x) == FLOOR);
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47 addch(STAIRS);
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48 /*
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49 * Place the traps
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50 */
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51 if (rnd(10) < level)
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52 {
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53 ntraps = rnd(level/4)+1;
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54 if (ntraps > MAXTRAPS)
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55 ntraps = MAXTRAPS;
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56 i = ntraps;
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57 while (i--)
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58 {
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59 do
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60 {
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61 rm = rnd_room();
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62 rnd_pos(&rooms[rm], &stairs);
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63 } until (winat(stairs.y, stairs.x) == FLOOR);
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64 switch(rnd(6))
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65 {
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66 case 0: ch = TRAPDOOR;
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67 when 1: ch = BEARTRAP;
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68 when 2: ch = SLEEPTRAP;
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69 when 3: ch = ARROWTRAP;
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70 when 4: ch = TELTRAP;
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71 when 5: ch = DARTTRAP;
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72 }
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73 addch(TRAP);
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74 traps[i].tr_type = ch;
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75 traps[i].tr_flags = 0;
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76 traps[i].tr_pos = stairs;
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77 }
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78 }
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79 do
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80 {
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81 rm = rnd_room();
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82 rnd_pos(&rooms[rm], &hero);
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83 }
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84 until(winat(hero.y, hero.x) == FLOOR);
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85 light(&hero);
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86 wmove(cw, hero.y, hero.x);
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87 waddch(cw, PLAYER);
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88 }
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89
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90 /*
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91 * Pick a room that is really there
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92 */
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93
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94 int
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95 rnd_room()
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96 {
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97 int rm;
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98
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99 do
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100 {
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101 rm = rnd(MAXROOMS);
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102 } while (rooms[rm].r_flags & ISGONE);
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103 return rm;
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104 }
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105