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annotate arogue5/util.c @ 110:5f51f7d9805f

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arogue5: fix some save/restore-related crashes. The save/restore code took the pointer intended as an argument for the doctor() daemon and wrote it to the savefile as an int. I don't know why it took so long to fail horribly. The problem has been avoided by replacing the value with &player when restoring. That seems to be the only argument ever actually used. The code also writes only four bytes for an unsigned long; if sizeof(long) == 8, it casts to unsigned int first. It failed to do the cast when reading back, with the result that four bytes were read and the other half of the number was effectively uninitialized. It apparently works now, but the save/restore code ought still to be regarded as decidedly unfortunate.
author John "Elwin" Edwards
date Mon, 06 Jan 2014 15:57:17 -0500
parents c49f7927b0fa
children 56e748983fa8
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1 /*
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2 * all sorts of miscellaneous routines
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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 #include <ctype.h>
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c49f7927b0fa arogue5: add missing header files.
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18 #include <string.h>
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19
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20 /*
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21 * aggravate:
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22 * aggravate all the monsters on this level
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23 */
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24
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25 aggravate()
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26 {
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27 register struct linked_list *mi;
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28
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29 for (mi = mlist; mi != NULL; mi = next(mi))
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30 runto(THINGPTR(mi), &hero);
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31 }
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32
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33 /*
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34 * cansee:
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35 * returns true if the hero can see a certain coordinate.
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36 */
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37
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38 cansee(y, x)
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39 register int y, x;
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40 {
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41 register struct room *rer;
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42 register int radius;
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43 coord tp;
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44
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45 if (on(player, ISBLIND))
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46 return FALSE;
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47
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48 tp.y = y;
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49 tp.x = x;
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50 rer = roomin(&tp);
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51
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52 /* How far can we see? */
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53 if (levtype == OUTSIDE) {
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54 if (daytime) radius = 36;
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55 else if (lit_room(rer)) radius = 9;
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56 else radius = 3;
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57 }
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58 else radius = 3;
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59
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60 /*
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61 * We can only see if the hero in the same room as
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62 * the coordinate and the room is lit or if it is close.
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63 */
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64 return ((rer != NULL &&
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65 levtype != OUTSIDE &&
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66 (levtype != MAZELEV || /* Maze level needs direct line */
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67 maze_view(tp.y, tp.x)) &&
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68 rer == roomin(&hero) &&
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69 lit_room(rer)) ||
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70 DISTANCE(y, x, hero.y, hero.x) < radius);
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71 }
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72
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73 /*
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74 * check_level:
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75 * Check to see if the guy has gone up a level.
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76 *
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77 * Return points needed to obtain next level.
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78 *
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79 * These are the beginning experience levels for all players.
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80 * All further experience levels are computed by muliplying by 2
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81 * up through MAXDOUBLE.
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82 */
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83 #define MAXDOUBLE 14 /* Maximum number of times score is doubled */
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84 static struct {
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85 long base; /* What it starts out at for doubling */
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86 long cap; /* The maximum before doubling stops */
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87 } e_levels[4] = {
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88 /* You must change MAXDOUBLE if you change the cap figure */
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89 { 90L, 1474560L }, /* Fighter */
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90 { 130L, 2129920L }, /* Magician */
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91 { 110L, 1802240L }, /* cleric */
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92 { 75L, 1228800L } /* Thief */
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93 };
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94
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95 long
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96 check_level(get_spells)
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97 bool get_spells;
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98 {
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99 register int i, j, add = 0;
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100 register unsigned long exp;
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101 long retval; /* Return value */
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102 int nsides = 0;
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103
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104 /* See if we are past the doubling stage */
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