Mercurial > hg > early-roguelike
annotate arogue5/sticks.c @ 111:7f8f43943b1f
Fix some terribly depressing corruption during restore.
In rogue5/state.c, rs_read_daemons() zeroes out the argument and delay
if the daemon slot is empty. Unfortunately that code ended up on the
wrong side of the brace that closes the for loop, so instead of running
after each daemon, it got run once after the loop exited, when the
index was of course out of bounds.
This tended to manifest, when compiled with -O2, by overwriting hw and
setting it to NULL. When inventory() next ran, hw would be passed to
wgetch(), which returns ERR when it gets a NULL argument. This made
md_readchar() think something was wrong and autosave the game.
Upon investigation, rogue3 was found to commit the same mistake.
rogue4 and srogue don't zero the data. arogue5 already does it
properly.
Someday I am going to run all this through Valgrind. Someday when I
am a kinder person who will not be driven to invoke hordes of trolls
and centaurs upon the original authors.
author | John "Elwin" Edwards |
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date | Wed, 08 Jan 2014 16:44:16 -0500 |
parents | c49f7927b0fa |
children | 56e748983fa8 |
rev | line source |
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1 /* |
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2 * Functions to implement the various sticks one might find |
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3 * while wandering around the dungeon. |
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4 * |
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5 * Advanced Rogue |
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6 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T |
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7 * All rights reserved. |
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8 * |
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9 * Based on "Rogue: Exploring the Dungeons of Doom" |
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10 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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11 * All rights reserved. |
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12 * |
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13 * See the file LICENSE.TXT for full copyright and licensing information. |
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14 */ |
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15 |
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16 #include "curses.h" |
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17 #include <ctype.h> |
67 | 18 #include <string.h> |
63
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19 #include "rogue.h" |
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20 |
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21 |
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22 /* |
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23 * zap a stick and see what happens |
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24 */ |
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25 do_zap(gotdir, which, flag) |
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26 bool gotdir; |
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27 int which; |
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28 int flag; |
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29 { |
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30 register struct linked_list *item; |
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31 register struct object *obj = NULL; |
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32 register struct thing *tp; |
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33 register int y, x; |
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34 struct linked_list *nitem; |
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35 struct object *nobj; |
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36 bool cursed, blessed, is_stick; |
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37 |
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38 blessed = FALSE; |
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39 cursed = FALSE; |
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40 is_stick = FALSE; |
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41 |
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42 if (which == 0) { |
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43 if ((item = get_item(pack, "zap with", ZAPPABLE)) == NULL) |
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44 return(FALSE); |
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45 obj = OBJPTR(item); |
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46 |
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47 /* Handle relics specially here */ |
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48 if (obj->o_type == RELIC) { |
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49 switch (obj->o_which) { |
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50 case ORCUS_WAND: |
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51 msg(nothing); |
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52 return(TRUE); |
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53 when MING_STAFF: |
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54 which = WS_MISSILE; |
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55 when ASMO_ROD: |
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56 switch (rnd(3)) { |
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57 case 0: |
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58 which = WS_ELECT; |
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59 when 1: |
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60 which = WS_COLD; |
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61 otherwise: |
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62 which = WS_FIRE; |
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63 } |
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64 } |
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65 cursed = FALSE; |
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66 blessed = FALSE; |
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67 } |
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68 else { |
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69 which = obj->o_which; |
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70 ws_know[which] = TRUE; |
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71 cursed = (obj->o_flags & ISCURSED) != 0; |
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72 blessed = (obj->o_flags & ISBLESSED) != 0; |
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73 is_stick = TRUE; |
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74 } |
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75 } |
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76 else { |
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77 cursed = flag & ISCURSED; |
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78 blessed = flag & ISBLESSED; |
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79 } |
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80 switch (which) { /* no direction for these */ |
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81 case WS_LIGHT: |
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82 case WS_DRAIN: |
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83 case WS_CHARGE: |
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84 case WS_CURING: |
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85 break; |
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86 |
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87 default: |
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88 if (!get_dir()) |
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89 return(FALSE); |
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90 if (!gotdir) { |
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91 do { |
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92 delta.y = rnd(3) - 1; |
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93 delta.x = rnd(3) - 1; |
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94 } while (delta.y == 0 && delta.x == 0); |
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95 } |
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96 } |
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97 |
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98 if (is_stick) { |
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99 if (obj->o_charges < 1) { |
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100 msg(nothing); |
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101 return(TRUE); |
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102 } |
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103 obj->o_charges--; |
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104 } |
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