annotate urogue/scrolls.c @ 278:c222f9d56776

Remove an extra bracket from some Autoconf macros.
author John "Elwin" Edwards
date Sun, 10 Sep 2017 17:30:13 -0400
parents c495a4f288c6
children e52a8a7ad4c5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
256
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
1 /*
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
2 scrolls.c - Functions for dealing with scrolls
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
3
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
4 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
5 Copyright (C) 1985, 1986, 1992, 1993, 1995 Herb Chong
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
6 All rights reserved.
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
7
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
8 Based on "Advanced Rogue"
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
10 All rights reserved.
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
11
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
12 Based on "Rogue: Exploring the Dungeons of Doom"
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
14 All rights reserved.
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
15
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
16 See the file LICENSE.TXT for full copyright and licensing information.
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
17 */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
18
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
19 #include <stdlib.h>
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
20 #include <string.h>
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
21 #include <ctype.h>
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
22 #include "rogue.h"
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
23
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
24 /*
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
25 read_scroll - read a scroll (or effect a scroll-like spell)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
26 reader: who does it
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
27 which: which S_SCROLL (-1 means ask from pack)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
28 flags: ISBLESSED, ISCURSED
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
29 */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
30
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
31 void
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
32 read_scroll(struct thing *reader, int which, int flags)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
33 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
34 struct object *obj;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
35 struct linked_list *item, *nitem;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
36 int i, j, charm_power;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
37 char ch, nch;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
38 int blessed = flags & ISBLESSED;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
39 int cursed = flags & ISCURSED;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
40 int is_scroll = (which < 0 ? TRUE : FALSE);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
41 char buf[2 * LINELEN];
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
42
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
43 if (reader != &player)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
44 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
45 monread(reader, which, flags);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
46 return;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
47 }
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
48
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
49 if (is_scroll) /* A regular scroll */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
50 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
51 if ((item = get_item("read", SCROLL)) == NULL)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
52 return;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
53
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
54 obj = OBJPTR(item);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
55
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
56 if (obj->o_type != SCROLL)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
57 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
58 msg("It says 'Made in Yugoslavia'!");
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
59 return;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
60 }
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
61
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
62 if (on(player, ISBLIND))
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
63 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
64 msg("You can't see to read anything.");
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
65 return;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
66 }
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
67
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
68 /* Calculate its effect */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
69
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
70 cursed = obj->o_flags & ISCURSED;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
71 blessed = obj->o_flags & ISBLESSED;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
72 flags = obj->o_flags;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
73 which = obj->o_which;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
74
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
75 /* remove it from the pack */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
76
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
77 rem_pack(obj);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
78 discard(item);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
79 updpack();
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
80 }
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
81
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
82 switch (which)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
83 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
84 case S_CONFUSE: /* Touch causes monster confusion. */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
85 if (cursed)
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
86 quaff(reader, P_CLEAR, ISCURSED);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
87 else
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
88 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
89 msg("Your hands begin to glow red.");
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
90 turn_on(player, CANHUH);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
91 /* if blessed... */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
92 }
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
93 break;