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annotate arogue5/maze.c @ 221:71cb5b647f2b

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Rogue V5: remove troublesome automatic platform detection. configure.ac used AC_CANONICAL_SYSTEM to guess the GNU system description triplets. The target description was substituted into the Makefile and formatted into the filename for the binary distribution tarball. But 'target' is only intended for cross-compilers. 'host_os' might have been a better choice. The tarball filename can still be changed manually, by running make with an argument of 'DESTSYS=systemname'. Cross-compiling may be more difficult now, but I am not certain that it worked properly previously, and due to pending autoconf changes, it was likely to break anyway. The top-level config.guess and config.sub are no longer needed, but they may reappear if better support for cross-compilation is added.
author John "Elwin" Edwards
date Fri, 12 Feb 2016 14:25:47 -0500
parents 0ed67132cf10
children 56e748983fa8
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1 /*
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2 * maze
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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 * Based on "Super-Rogue"
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9 * Copyright (C) 1984 Robert D. Kindelberger
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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 <stdlib.h>
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16 #include "curses.h"
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17 #include "rogue.h"
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18
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19 struct cell {
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20 char y_pos;
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21 char x_pos;
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22 };
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23
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24 struct bordercells {
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25 char num_pos; /* number of frontier cells next to you */
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26 struct cell conn[4]; /* the y,x position of above cell */
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27 } border_cells;
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28
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29 static char *frontier,
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30 *bits;
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31 static int maze_lines,
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32 maze_cols;
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33 char *moffset(),
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34 *foffset();
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35
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36
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37 /*
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38 * crankout:
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39 * Does actual drawing of maze to window
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40 */
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41 crankout()
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42 {
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43 reg int x, y;
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44
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45 for (y = 0; y < LINES - 3; y++) {
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46 move(y + 1, 0);
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47 for (x = 0; x < COLS - 1; x++) {
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48 if (*moffset(y, x)) { /* here is a wall */
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49 if(y==0 || y==LINES-4) /* top or bottom line */
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50 addch('-');
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51 else if(x==0 || x==COLS-2) /* left | right side */
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52 addch('|');
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53 else if (y % 2 == 0 && x % 2 == 0) {
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54 if(*moffset(y, x-1) || *moffset(y, x+1))
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55 addch('-');
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56 else
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57 addch('|');
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58 }
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59 else if (y % 2 == 0)
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60 addch('-');
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61 else
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62 addch('|');
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63 }
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64 else
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65 addch(FLOOR);
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66 }
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67 }
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68 }
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69
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70 /*
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71 * domaze:
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72 * Draw the maze on this level.
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73 */
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74 do_maze()
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75 {
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76 reg int least;
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77 reg struct room *rp;
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78 reg struct linked_list *item;
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79 reg struct object *obj;
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80 int cnt;
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81 bool treas;
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82 coord tp;
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83
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84 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) {
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85 rp->r_flags = ISGONE; /* kill all rooms */
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86 rp->r_fires = NULL; /* no fires */
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87 }
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88 rp = &rooms[0]; /* point to only room */
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89 rp->r_flags = ISDARK; /* mazes always dark */
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90 rp->r_pos.x = 0; /* room fills whole screen */
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91 rp->r_pos.y = 1;
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92 rp->r_max.x = COLS - 1;
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93 rp->r_max.y = LINES - 3;
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94 draw_maze(); /* put maze into window */
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95 /*
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96 * add some gold to make it worth looking for
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97 */
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98 item = spec_item(GOLD, NULL, NULL, NULL);
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99 obj = OBJPTR(item);
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100 obj->o_count *= (rnd(10) + 1); /* add in one large hunk */
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101 attach(lvl_obj, item);
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102 cnt = 0;
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103 do {
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104 rnd_pos(rp, &tp);
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105 } until (mvinch(tp.y, tp.x) == FLOOR || cnt++ > 5000);
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