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annotate arogue5/outside.c @ 215:1b73a8641b37

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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
date Wed, 27 Jan 2016 19:41:05 -0500
parents 0ed67132cf10
children 56e748983fa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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63
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1 /*
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2 * functions for dealing with the "outside" level
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * See the file LICENSE.TXT for full copyright and licensing information.
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9 */
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10
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11 #include "curses.h"
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12 #include "rogue.h"
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13
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14 extern char rnd_terrain(), get_terrain();
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15
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16 /*
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17 * init_terrain:
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18 * Get the single "outside room" set up correctly
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19 */
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20
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21 void
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22 init_terrain()
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23 {
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24 register struct room *rp;
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25
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26 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) {
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27 rp->r_flags = ISGONE; /* kill all rooms */
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28 rp->r_fires = NULL; /* no fires */
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29 }
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30 rp = &rooms[0]; /* point to only room */
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31 rp->r_flags = ISDARK; /* outside is always dark */
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32 rp->r_pos.x = 0; /* room fills whole screen */
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33 rp->r_pos.y = 1;
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34 rp->r_max.x = COLS;
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35 rp->r_max.y = LINES - 3;
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36 }
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37
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38
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39
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40 void
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41 do_terrain(basey, basex, deltay, deltax, fresh)
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42 int basey, basex, deltay, deltax;
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43 bool fresh;
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44 {
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45 register cury, curx; /* Current y and x positions */
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46
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47 /* Lay out the boundary */
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48 for (cury=1; cury<LINES-2; cury++) { /* Vertical "walls" */
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49 mvaddch(cury, 0, '|');
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50 mvaddch(cury, COLS-1, '|');
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51 }
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52 for (curx=0; curx<COLS; curx++) { /* Horizontal "walls" */
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53 mvaddch(1, curx, '-');
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54 mvaddch(LINES-3, curx, '-');
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55 }
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56
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57 /* If we are not continuing, let's start out with a line of terrain */
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58 if (fresh) {
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59 char ch; /* Next char to add */
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60
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61 /* Move to the starting point (should be (1, 0)) */
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62 move(basey, basex);
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63 curx = basex;
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64
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65 /* Start with some random terrain */
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66 if (basex == 0) {
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67 ch = rnd_terrain();
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68 addch(ch);
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69 }
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70 else ch = CCHAR( mvinch(basey, basex) );
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71
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72 curx += deltax;
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73
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74 /* Fill in the rest of the line */
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75 while (curx > 0 && curx < COLS-1) {
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76 /* Put in the next piece */
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77 ch = get_terrain(ch, '\0', '\0', '\0');
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78 mvaddch(basey, curx, ch);
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79 curx += deltax;
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80 }
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81
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82 basey++; /* Advance to next line */
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83 }
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84
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85 /* Fill in the rest of the lines */
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86 cury = basey;
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87 while (cury > 1 && cury < LINES - 3) {
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88 curx = basex;
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89 while (curx > 0 && curx < COLS-1) {
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90 register char left, top_left, top, top_right;
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91 register int left_pos, top_pos;
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92
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93 /* Get the surrounding terrain */
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94 left_pos = curx - deltax;
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95 top_pos = cury - deltay;
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96
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97 left = CCHAR( mvinch(cury, left_pos) );
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98 top_left = CCHAR( mvinch(top_pos, left_pos) );
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99 top = CCHAR( mvinch(top_pos, curx) );
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100 top_right = CCHAR( mvinch(top_pos, curx + deltax) );
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101
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102 /* Put the piece of terrain on the map */
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103 mvaddch(cury, curx, get_terrain(left, top_left, top, top_right));
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104
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