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annotate arogue5/maze.c @ 284:6376b514a30b

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Fix more header-related warnings. This fixes all current default warnings with GCC7 on Linux. That does not mean the code is anywhere close to clean.
author John "Elwin" Edwards
date Fri, 22 Sep 2017 16:24:40 -0400
parents 56e748983fa8
children 0250220d8cdd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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34 void draw_maze(void);
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35 int findcells(int y, int x);
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36 char *foffset(int y, int x);
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37 char *moffset(int y, int x);
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38 void rmwall(int newy, int newx, int oldy, int oldx);
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39
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40
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41 /*
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42 * crankout:
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43 * Does actual drawing of maze to window
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44 */
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45 void
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46 crankout(void)
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47 {
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48 reg int x, y;
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49
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50 for (y = 0; y < LINES - 3; y++) {
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51 move(y + 1, 0);
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52 for (x = 0; x < COLS - 1; x++) {
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53 if (*moffset(y, x)) { /* here is a wall */
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54 if(y==0 || y==LINES-4) /* top or bottom line */
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55 addch('-');
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56 else if(x==0 || x==COLS-2) /* left | right side */
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57 addch('|');
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58 else if (y % 2 == 0 && x % 2 == 0) {
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59 if(*moffset(y, x-1) || *moffset(y, x+1))
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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 if (y % 2 == 0)
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65 addch('-');
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66 else
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67 addch('|');
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68 }
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69 else
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70 addch(FLOOR);
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71 }
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72 }
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73 }
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74
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75 /*
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76 * domaze:
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77 * Draw the maze on this level.
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78 */
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79 void
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80 do_maze(void)
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81 {
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82 reg int least;
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83 reg struct room *rp;
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84 reg struct linked_list *item;
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85 reg struct object *obj;
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86 int cnt;
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87 bool treas;
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88 coord tp;
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89
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90 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) {
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91 rp->r_flags = ISGONE; /* kill all rooms */
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92 rp->r_fires = NULL; /* no fires */
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93 }
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94 rp = &rooms[0]; /* point to only room */
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95 rp->r_flags = ISDARK; /* mazes always dark */
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96 rp->r_pos.x = 0; /* room fills whole screen */
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97 rp->r_pos.y = 1;
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98 rp->r_max.x = COLS - 1;
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99 rp->r_max.y = LINES - 3;
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100 draw_maze(); /* put maze into window */
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101 /*
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102 * add some gold to make it worth looking for
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103 */
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