Mercurial > hg > early-roguelike

annotate arogue7/weapons.c @ 305:3900f3cfe07d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Rogue V4: fix arithmetic operations on boolean variables. Monsters created by scrolls should now have their placement randomized correctly again.
author John "Elwin" Edwards
date Thu, 15 Apr 2021 20:55:34 -0400
parents f9ef86cf22b2
children 28e22fb35989
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
125
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
1 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
2 * weapons.c - Functions for dealing with problems brought about by weapons
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
3 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
4 * Advanced Rogue
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
6 * All rights reserved.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
7 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
8 * Based on "Rogue: Exploring the Dungeons of Doom"
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
10 * All rights reserved.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
11 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
12 * See the file LICENSE.TXT for full copyright and licensing information.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
13 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
14
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
15 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
16 * Functions for dealing with problems brought about by weapons
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
17 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
18 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
19
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
20 #include "curses.h"
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
21 #include <ctype.h>
126
b786053d2f37 arogue7: add missing header includes.
John "Elwin" Edwards
parents: 125
diff changeset
22 #include <string.h>
125
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
23 #include "rogue.h"
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
24
219
f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 126
diff changeset
25 void
f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 126
diff changeset
26 boomerang(int ydelta, int xdelta, struct linked_list *item, struct thing *tp)
125
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
27 {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
28 register struct object *obj;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
29 struct thing midpoint;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
30 coord oldpos;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
31
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
32 obj = OBJPTR(item);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
33 oldpos = obj->o_pos;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
34
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
35 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
36 * make it appear to fly at the target
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
37 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
38 do_motion(obj, ydelta, xdelta, tp);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
39 hit_monster(unc(obj->o_pos), obj, tp);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
40
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
41 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
42 * Now let's make it fly back to the wielder. We need to
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
43 * use midpoint to fool do_motion into thinking the action
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
44 * starts there. Do_motion only looks at the t_pos field.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
45 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
46 midpoint.t_pos = obj->o_pos; /* Simulate a new start position */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
47 do_motion(obj, -ydelta, -xdelta, &midpoint);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
48
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
49 obj->o_pos = oldpos;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
50 }
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
51
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
52 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
53 * do the actual motion on the screen done by an object traveling
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
54 * across the room. Note that we should not look at any field in
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
55 * tp other than t_pos unless we change boomerang().
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
56 */
219
f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 126
diff changeset
57 void
f9ef86cf22b2 Advanced Rogue 7: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 126
diff changeset
58 do_motion(struct object *obj, int ydelta, int xdelta, struct thing *tp)
125
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
59 {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
60
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
61 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
62 * Come fly with us ...
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
63 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
64 obj->o_pos = tp->t_pos;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
65 for (; ;) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
66 register int ch;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
67 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
68 * Erase the old one
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
69 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
70 if (!ce(obj->o_pos, tp->t_pos) &&
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
71 cansee(unc(obj->o_pos)) &&
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
72 mvwinch(cw, obj->o_pos.y, obj->o_pos.x) != ' ') {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
73 mvwaddch(cw, obj->o_pos.y, obj->o_pos.x, show(obj->o_pos.y, obj->o_pos.x));
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
74 }
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
75 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
76 * Get the new position
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
77 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
78 obj->o_pos.y += ydelta;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
79 obj->o_pos.x += xdelta;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
80 if (shoot_ok(ch = winat(obj->o_pos.y, obj->o_pos.x)) && ch != DOOR && !ce(obj->o_pos, hero)) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
81 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
82 * It hasn't hit anything yet, so display it
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
83 * If it alright.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
84 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
85 if (cansee(unc(obj->o_pos)) &&
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
86 mvwinch(cw, obj->o_pos.y, obj->o_pos.x) != ' ') {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
87 mvwaddch(cw, obj->o_pos.y, obj->o_pos.x, obj->o_type);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
88 draw(cw);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
89 }
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff changeset
90 continue;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)