Mercurial > hg > early-roguelike

annotate rogue4/passages.c @ 58:c6d58901ddc0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rogue3: move default locations to /var.
author elwin
date Tue, 24 Jan 2012 18:25:21 +0000
parents 9535a08ddc39
children 1b73a8641b37
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
1 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
2 * Draw the connecting passages
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
3 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
4 * @(#)passages.c 4.8 (Berkeley) 1/27/82
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
5 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
6 * Rogue: Exploring the Dungeons of Doom
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
8 * All rights reserved.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
9 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
10 * See the file LICENSE.TXT for full copyright and licensing information.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
11 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
12
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
13 #include <curses.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
14 #include "rogue.h"
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
15
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
16 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
17 * do_passages:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
18 * Draw all the passages on a level.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
19 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
20 do_passages()
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
21 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
22 register struct rdes *r1, *r2 = NULL;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
23 register int i, j;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
24 register int roomcount;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
25 static struct rdes
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
26 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
27 bool conn[MAXROOMS]; /* possible to connect to room i? */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
28 bool isconn[MAXROOMS]; /* connection been made to room i? */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
29 bool ingraph; /* this room in graph already? */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
30 } rdes[MAXROOMS] = {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
31 { { 0, 1, 0, 1, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
32 { { 1, 0, 1, 0, 1, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
33 { { 0, 1, 0, 0, 0, 1, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
34 { { 1, 0, 0, 0, 1, 0, 1, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
35 { { 0, 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
36 { { 0, 0, 1, 0, 1, 0, 0, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
37 { { 0, 0, 0, 1, 0, 0, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
38 { { 0, 0, 0, 0, 1, 0, 1, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
39 { { 0, 0, 0, 0, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
40 };
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
41
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
42 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
43 * reinitialize room graph description
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
44 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
45 for (r1 = rdes; r1 <= &rdes[MAXROOMS-1]; r1++)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
46 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
47 for (j = 0; j < MAXROOMS; j++)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
48 r1->isconn[j] = FALSE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
49 r1->ingraph = FALSE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
50 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
51
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
52 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
53 * starting with one room, connect it to a random adjacent room and
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
54 * then pick a new room to start with.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
55 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
56 roomcount = 1;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
57 r1 = &rdes[rnd(MAXROOMS)];
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
58 r1->ingraph = TRUE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
59 do
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
60 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
61 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
62 * find a room to connect with
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
63 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
64 j = 0;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
65 for (i = 0; i < MAXROOMS; i++)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
66 if (r1->conn[i] && !rdes[i].ingraph && rnd(++j) == 0)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
67 r2 = &rdes[i];
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
68 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
69 * if no adjacent rooms are outside the graph, pick a new room
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
70 * to look from
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
71 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
72 if (j == 0)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
73 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
74 do
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
75 r1 = &rdes[rnd(MAXROOMS)];
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
76 until (r1->ingraph);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
77 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
78 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
79 * otherwise, connect new room to the graph, and draw a tunnel
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
80 * to it
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
81 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
82 else
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
83 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
84 r2->ingraph = TRUE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
85 i = r1 - rdes;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
86 j = r2 - rdes;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
87 conn(i, j);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
88 r1->isconn[j] = TRUE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
89 r2->isconn[i] = TRUE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
90 roomcount++;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
91 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
92 } while (roomcount < MAXROOMS);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
93
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
94 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
95 * attempt to add passages to the graph a random number of times so
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
96 * that there isn't always just one unique passage through it.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
97 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
98 for (roomcount = rnd(5); roomcount > 0; roomcount--)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
99 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
100 r1 = &rdes[rnd(MAXROOMS)]; /* a random room to look from */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
101 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
102 * find an adjacent room not already connected
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
103 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
104 j = 0;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
edwarj4