Mercurial > hg > early-roguelike

annotate rogue3/chase.c @ 93:8f7c082fde46

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't set DESTDIR via configure. DESTDIR ought to be set via option passed to 'make install'.
author John "Elwin" Edwards
date Mon, 26 Aug 2013 19:58:44 -0700
parents 527e2150eaf0
children d9e44e18eeec
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
1 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
2 * Code for one object to chase another
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
3 *
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
4 * @(#)chase.c 3.17 (Berkeley) 6/15/81
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
5 *
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
6 * Rogue: Exploring the Dungeons of Doom
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
7 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
8 * All rights reserved.
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
9 *
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
10 * See the file LICENSE.TXT for full copyright and licensing information.
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
11 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
12
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
13 #include "curses.h"
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
14 #include "rogue.h"
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
15
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
16 coord ch_ret; /* Where chasing takes you */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
17
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
18 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
19 * runners:
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
20 * Make all the running monsters move.
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
21 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
22
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
23 void
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
24 runners()
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
25 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
26 struct linked_list *item;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
27 struct thing *tp;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
28
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
29 for (item = mlist; item != NULL;)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
30 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
31 tp = (struct thing *) ldata(item);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
32 item = next(item);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
33 if (off(*tp, ISHELD) && on(*tp, ISRUN))
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
34 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
35 if (off(*tp, ISSLOW) || tp->t_turn)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
36 if (do_chase(tp) == -1)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
37 continue;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
38 if (on(*tp, ISHASTE))
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
39 if (do_chase(tp) == -1)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
40 continue;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
41 tp->t_turn ^= TRUE;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
42 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
43 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
44 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
45
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
46 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
47 * do_chase:
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
48 * Make one thing chase another.
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
49 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
50
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
51 int
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
52 do_chase(struct thing *th)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
53 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
54 struct room *rer, *ree; /* room of chaser, room of chasee */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
55 int mindist = 32767, i, dist;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
56 int stoprun = FALSE; /* TRUE means we are there */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
57 int sch;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
58 coord this; /* Temporary destination for chaser */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
59
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
60 rer = roomin(&th->t_pos); /* Find room of chaser */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
61 ree = roomin(th->t_dest); /* Find room of chasee */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
62 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
63 * We don't count doors as inside rooms for this routine
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
64 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
65 if (mvwinch(stdscr, th->t_pos.y, th->t_pos.x) == DOOR)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
66 rer = NULL;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
67 this = *th->t_dest;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
68 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
69 * If the object of our desire is in a different room,
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
70 * than we are and we ar not in a corridor, run to the
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
71 * door nearest to our goal.
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
72 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
73 if (rer != NULL && rer != ree)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
74 for (i = 0; i < rer->r_nexits; i++) /* loop through doors */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
75 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
76 dist = DISTANCE(th->t_dest->y, th->t_dest->x,
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
77 rer->r_exit[i].y, rer->r_exit[i].x);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
78 if (dist < mindist) /* minimize distance */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
79 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
80 this = rer->r_exit[i];
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
81 mindist = dist;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
82 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
83 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
84 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
85 * this now contains what we want to run to this time
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
86 * so we run to it. If we hit it we either want to fight it
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
87 * or stop running
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
88 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
89 if (!chase(th, &this))
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
90 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
91 if (ce(this, hero))
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
92 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
93 return( attack(th) );
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
94 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
95 else if (th->t_type != 'F')
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
96 stoprun = TRUE;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
97 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
98 else if (th->t_type == 'F')
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
99 return(0);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
100 mvwaddch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
101 sch = mvwinch(cw, ch_ret.y, ch_ret.x);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
102 if (rer != NULL && (rer->r_flags & ISDARK) && sch == FLOOR
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
103 && DISTANCE(ch_ret.y, ch_ret.x, th->t_pos.y, th->t_pos.x) < 3
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
104 && off(player, ISBLIND))
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
105 th->t_oldch = ' ';
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents: