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annotate rogue3/rooms.c @ 51:a1dc75e38e73

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rogue4: ported to autoconf.
author elwin
date Tue, 11 Oct 2011 15:20:40 +0000
parents 527e2150eaf0
children
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527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * Draw the nine rooms on the screen
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3 *
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4 * @(#)rooms.c 3.8 (Berkeley) 6/15/81
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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 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
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13 #include <stdlib.h>
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14 #include "curses.h"
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15 #include "rogue.h"
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16
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17 void
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18 do_rooms()
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19 {
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20 int i;
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21 struct room *rp;
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22 struct linked_list *item;
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23 struct thing *tp;
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24 int left_out;
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25 coord top;
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26 coord bsze;
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27 coord mp;
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28
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29 /*
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30 * bsze is the maximum room size
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31 */
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32 bsze.x = COLS/3;
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33 bsze.y = LINES/3;
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34 /*
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35 * Clear things for a new level
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36 */
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37 for (rp = rooms; rp <= &rooms[MAXROOMS-1]; rp++)
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38 rp->r_goldval = rp->r_nexits = rp->r_flags = 0;
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39 /*
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40 * Put the gone rooms, if any, on the level
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41 */
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42 left_out = rnd(4);
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43 for (i = 0; i < left_out; i++)
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44 rooms[rnd_room()].r_flags |= ISGONE;
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45 /*
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46 * dig and populate all the rooms on the level
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47 */
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48 for (i = 0, rp = rooms; i < MAXROOMS; rp++, i++)
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49 {
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50 /*
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51 * Find upper left corner of box that this room goes in
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52 */
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53 top.x = (i%3)*bsze.x + 1;
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54 top.y = i/3*bsze.y;
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55 if (rp->r_flags & ISGONE)
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56 {
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57 /*
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58 * Place a gone room. Make certain that there is a blank line
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59 * for passage drawing.
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60 */
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61 do
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62 {
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63 rp->r_pos.x = top.x + rnd(bsze.x-2) + 1;
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64 rp->r_pos.y = top.y + rnd(bsze.y-2) + 1;
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65 rp->r_max.x = -COLS;
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66 rp->r_max.y = -LINES;
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67 } until(rp->r_pos.y > 0 && rp->r_pos.y < LINES-1);
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68 continue;
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69 }
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70 if (rnd(10) < level-1)
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71 rp->r_flags |= ISDARK;
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72 /*
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73 * Find a place and size for a random room
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74 */
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75 do
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76 {
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77 rp->r_max.x = rnd(bsze.x - 4) + 4;
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78 rp->r_max.y = rnd(bsze.y - 4) + 4;
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79 rp->r_pos.x = top.x + rnd(bsze.x - rp->r_max.x);
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80 rp->r_pos.y = top.y + rnd(bsze.y - rp->r_max.y);
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81 } until (rp->r_pos.y != 0);
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82 /*
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83 * Put the gold in
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84 */
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85 if (rnd(100) < 50 && (!amulet || level >= max_level))
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86 {
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87 rp->r_goldval = GOLDCALC;
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88 rnd_pos(rp, &rp->r_gold);
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89 if (roomin(&rp->r_gold) != rp)
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90 endwin(), abort();
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91 }
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92 draw_room(rp);
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93 /*
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94 * Put the monster in
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95 */
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96 if (rnd(100) < (rp->r_goldval > 0 ? 80 : 25))
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97 {
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98 item = new_item(sizeof *tp);
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99 tp = (struct thing *) ldata(item);
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100 do
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101 {
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102 rnd_pos(rp, &mp);
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103 } until(mvwinch(stdscr, mp.y, mp.x) == FLOOR);
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104 new_monster(item, randmonster(FALSE), &mp);
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105 /*
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106 * See if we want to give it a treasure to carry around.
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