Mercurial > hg > early-roguelike

annotate srogue/passages.c @ 217:94a0d9dd5ce1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Super-Rogue: convert to ANSI-style function declarations. This fixes most of the build warnings.
author John "Elwin" Edwards
date Sun, 31 Jan 2016 13:45:07 -0500
parents 7f5f5f1ba09c
children e52a8a7ad4c5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
36
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
1 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
2 * Draw the connecting passages
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
3 *
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
4 * @(#)passages.c 9.0 (rdk) 7/17/84
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
5 *
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
6 * Super-Rogue
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
7 * Copyright (C) 1984 Robert D. Kindelberger
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
8 * All rights reserved.
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
9 *
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
10 * Based on "Rogue: Exploring the Dungeons of Doom"
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
11 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
12 * All rights reserved.
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
13 *
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
14 * See the file LICENSE.TXT for full copyright and licensing information.
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
15 */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
16
217
94a0d9dd5ce1 Super-Rogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 183
diff changeset
17 #include <stdlib.h>
36
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
18 #include "rogue.h"
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
19 #include "rogue.ext"
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
20
217
94a0d9dd5ce1 Super-Rogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 183
diff changeset
21 void conn(int r1, int r2);
94a0d9dd5ce1 Super-Rogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 183
diff changeset
22 void door(struct room *rm, struct coord *cp);
94a0d9dd5ce1 Super-Rogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 183
diff changeset
23
36
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
24 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
25 * do_passages:
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
26 * Draw all the passages on a level.
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
27 */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
28
217
94a0d9dd5ce1 Super-Rogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 183
diff changeset
29 void
94a0d9dd5ce1 Super-Rogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents: 183
diff changeset
30 do_passages(void)
36
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
31 {
183
7f5f5f1ba09c srogue: initialize some pointers.
John "Elwin" Edwards
parents: 36
diff changeset
32 reg struct rdes *r1, *r2 = NULL;
36
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
33 reg int i, j;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
34 reg int roomcount;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
35 static struct rdes {
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
36 bool conn[MAXROOMS]; /* possible to connect to room i */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
37 bool isconn[MAXROOMS]; /* connection was made to room i */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
38 bool ingraph; /* this room in graph already? */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
39 } rdes[MAXROOMS] = {
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
40 {{ 0, 1, 0, 1, 0, 0, 0, 0, 0 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
41 {{ 1, 0, 1, 0, 1, 0, 0, 0, 0 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
42 {{ 0, 1, 0, 0, 0, 1, 0, 0, 0 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
43 {{ 1, 0, 0, 0, 1, 0, 1, 0, 0 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
44 {{ 0, 1, 0, 1, 0, 1, 0, 1, 0 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
45 {{ 0, 0, 1, 0, 1, 0, 0, 0, 1 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
46 {{ 0, 0, 0, 1, 0, 0, 0, 1, 0 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
47 {{ 0, 0, 0, 0, 1, 0, 1, 0, 1 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
48 {{ 0, 0, 0, 0, 0, 1, 0, 1, 0 },{ 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 },
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
49 };
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
50
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
51 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
52 * reinitialize room graph description
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
53 */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
54 for (r1 = rdes; r1 < &rdes[MAXROOMS]; r1++) {
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
55 for (j = 0; j < MAXROOMS; j++)
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
56 r1->isconn[j] = FALSE;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
57 r1->ingraph = FALSE;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
58 }
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
59
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
60 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
61 * starting with one room, connect it to a random adjacent room and
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
62 * then pick a new room to start with.
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
63 */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
64 roomcount = 1;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
65 r1 = &rdes[rnd(MAXROOMS)];
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
66 r1->ingraph = TRUE;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
67 do {
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
68 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
69 * find a room to connect with
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
70 */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
71 j = 0;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
72 for (i = 0; i < MAXROOMS; i++)
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
73 if (r1->conn[i] && !rdes[i].ingraph && rnd(++j) == 0)
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
74 r2 = &rdes[i];
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
75 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
76 * if no adjacent rooms are outside the graph, pick a new room
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
77 * to look from
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
78 */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
79 if (j == 0) {
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
80 do {
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
81 r1 = &rdes[rnd(MAXROOMS)];
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
82 } until (r1->ingraph);
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
83 }
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
84 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
85 * otherwise, connect new room to the graph, and draw a tunnel
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
86 * to it
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
87 */
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
88 else {
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
89 r2->ingraph = TRUE;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
90 i = r1 - rdes;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
91 j = r2 - rdes;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
92 conn(i, j);
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
93 r1->isconn[j] = TRUE;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
94 r2->isconn[i] = TRUE;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
95 roomcount++;
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
96 }
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
97 } while (roomcount < MAXROOMS);
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
98
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
99 /*
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
100 * attempt to add passages to the graph a random number of times so
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
101 * that there isn't just one unique passage through it.
2128c7dc8a40 Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff changeset
102 */