Mercurial > hg > early-roguelike
annotate rogue4/passages.c @ 215:1b73a8641b37
rogue4: fix most GCC5 warnings.
Converting all function definitions to ANSI style accounts for most of
the change. This has exposed other problems, such as daemons not
actually being their stated type, that will require more careful
solutions.
author | John "Elwin" Edwards |
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date | Wed, 27 Jan 2016 19:41:05 -0500 |
parents | 9535a08ddc39 |
children | 0250220d8cdd |
rev | line source |
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12
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1 /* |
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2 * Draw the connecting passages |
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3 * |
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4 * @(#)passages.c 4.8 (Berkeley) 1/27/82 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman |
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8 * All rights reserved. |
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9 * |
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10 * See the file LICENSE.TXT for full copyright and licensing information. |
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11 */ |
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12 |
215 | 13 #include <stdlib.h> |
12
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14 #include <curses.h> |
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15 #include "rogue.h" |
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16 |
215 | 17 void conn(int r1, int r2); |
18 void door(struct room *rm, coord *cp); | |
19 void passnum(void); | |
20 void numpass(int y, int x); | |
21 | |
12
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22 /* |
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23 * do_passages: |
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24 * Draw all the passages on a level. |
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25 */ |
215 | 26 void |
27 do_passages(void) | |
12
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28 { |
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29 register struct rdes *r1, *r2 = NULL; |
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30 register int i, j; |
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31 register int roomcount; |
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32 static struct rdes |
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33 { |
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34 bool conn[MAXROOMS]; /* possible to connect to room i? */ |
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35 bool isconn[MAXROOMS]; /* connection been made to room i? */ |
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36 bool ingraph; /* this room in graph already? */ |
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37 } rdes[MAXROOMS] = { |
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38 { { 0, 1, 0, 1, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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39 { { 1, 0, 1, 0, 1, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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40 { { 0, 1, 0, 0, 0, 1, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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41 { { 1, 0, 0, 0, 1, 0, 1, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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42 { { 0, 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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43 { { 0, 0, 1, 0, 1, 0, 0, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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44 { { 0, 0, 0, 1, 0, 0, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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45 { { 0, 0, 0, 0, 1, 0, 1, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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46 { { 0, 0, 0, 0, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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47 }; |
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48 |
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49 /* |
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50 * reinitialize room graph description |
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51 */ |
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52 for (r1 = rdes; r1 <= &rdes[MAXROOMS-1]; r1++) |
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53 { |
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54 for (j = 0; j < MAXROOMS; j++) |
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55 r1->isconn[j] = FALSE; |
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56 r1->ingraph = FALSE; |
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57 } |
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58 |
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59 /* |
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60 * starting with one room, connect it to a random adjacent room and |
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61 * then pick a new room to start with. |
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62 */ |
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63 roomcount = 1; |
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64 r1 = &rdes[rnd(MAXROOMS)]; |
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65 r1->ingraph = TRUE; |
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66 do |
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67 { |
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68 /* |
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69 * find a room to connect with |
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70 */ |
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71 j = 0; |
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72 for (i = 0; i < MAXROOMS; i++) |
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73 if (r1->conn[i] && !rdes[i].ingraph && rnd(++j) == 0) |
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74 r2 = &rdes[i]; |
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75 /* |
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76 * if no adjacent rooms are outside the graph, pick a new room |
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77 * to look from |
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78 */ |
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79 if (j == 0) |
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80 { |
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81 do |
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82 r1 = &rdes[rnd(MAXROOMS)]; |
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83 until (r1->ingraph); |
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84 } |
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85 /* |
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86 * otherwise, connect new room to the graph, and draw a tunnel |
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87 * to it |
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88 */ |
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89 else |
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90 { |
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91 r2->ingraph = TRUE; |
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92 i = r1 - rdes; |
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93 j = r2 - rdes; |
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94 conn(i, j); |
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95 r1->isconn[j] = TRUE; |
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96 r2->isconn[i] = TRUE; |
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97 roomcount++; |
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98 } |
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99 } while (roomcount < MAXROOMS); |
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100 |
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101 /* |
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