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annotate xrogue/outside.c @ 282:8b6aba552f6f

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Excise md_putchar(). The function wrapped the standard putchar(), doing nothing beside discarding the return value. That could cause problems with tputs(), which expects an int to be returned.
author John "Elwin" Edwards
date Mon, 18 Sep 2017 19:11:57 -0400
parents f54901b9c39b
children e52a8a7ad4c5
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1 /*
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2 outside.c - functions for dealing with the "outside" level
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3
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4 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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10 All rights reserved.
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11
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12 See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 #include <curses.h>
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16 #include "rogue.h"
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17
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18 char rnd_terrain(void);
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19 char get_terrain(char one, char two, char three, char four);
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20
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21 /*
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22 * init_terrain:
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23 * Get the single "outside room" set up correctly
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24 */
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25
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26 void
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27 init_terrain(void)
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28 {
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29 register struct room *rp;
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30
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31 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) {
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32 rp->r_flags = ISGONE; /* kill all rooms */
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33 rp->r_fires = NULL; /* no fires */
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34 }
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35 rp = &rooms[0]; /* point to only room */
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36 rp->r_flags = ISDARK; /* outside is always dark */
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37 rp->r_pos.x = 0; /* room fills whole screen */
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38 rp->r_pos.y = 1;
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39 rp->r_max.x = cols;
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40 rp->r_max.y = lines - 3;
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41 }
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42
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43 void
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44 do_terrain(int basey, int basex, int deltay, int deltax, bool fresh)
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45 {
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46 register int cury, curx; /* Current y and x positions */
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47
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48 /* Lay out the boundary */
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49 for (cury=1; cury<lines-2; cury++) { /* Vertical "walls" */
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50 mvaddch(cury, 0, VERTWALL);
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51 mvaddch(cury, cols-1, VERTWALL);
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52 }
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53 for (curx=0; curx<cols; curx++) { /* Horizontal "walls" */
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54 mvaddch(1, curx, HORZWALL);
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55 mvaddch(lines-3, curx, HORZWALL);
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56 }
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57
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58 /* If we are not continuing, let's start out with a line of terrain */
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59 if (fresh) {
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60 char ch; /* Next char to add */
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61
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62 /* Move to the starting point (should be (1, 0)) */
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63 move(basey, basex);
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64 curx = basex;
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65
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66 /* Start with some random terrain */
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67 if (basex == 0) {
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68 ch = rnd_terrain();
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69 addch(ch);
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70 }
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71 else ch = mvinch(basey, basex);
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72
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73 curx += deltax;
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74
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75 /* Fill in the rest of the line */
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76 while (curx > 0 && curx < cols-1) {
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77 /* Put in the next piece */
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78 ch = get_terrain(ch, '\0', '\0', '\0');
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79 mvaddch(basey, curx, ch);
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80 curx += deltax;
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81 }
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82
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83 basey++; /* Advance to next line */
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84 }
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85
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86 /* Fill in the rest of the lines */
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87 cury = basey;
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88 while (cury > 1 && cury < lines - 3) {
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89 curx = basex;
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90 while (curx > 0 && curx < cols-1) {
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91 register char left, top_left, top, top_right;