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annotate xrogue/maze.c @ 163:89deb1197a2d

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arogue7: fix a display bug when viewing inventory after restoring. The restore() function displayed a status message via wprintw() instead of using the msg() functions. If the inventory was then viewed before a call to msg(), msgw would obscure the first lines of the inventory list. There are surely more bugs related to messages.
author John "Elwin" Edwards
date Fri, 12 Jun 2015 12:09:16 -0400
parents e6179860cb76
children f54901b9c39b
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133
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1 /*
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2 maze.c - functions for dealing with mazes
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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 <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 struct b_cellscells {
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24 char num_pos; /* number of frontier cells next to you */
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25 struct cell conn[4]; /* the y,x position of above cell */
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26 } b_cells;
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27
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28 static char *maze_frontier, *maze_bits;
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29 static int maze_lines, maze_cols;
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30 static char *moffset(), *foffset();
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31 static int rmwall(),findcells(),crankout(),draw_maze();
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32
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33 /*
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34 * crankout:
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35 * Does actual drawing of maze to window
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36 */
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37
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38 static
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39 crankout()
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40 {
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41 reg int x, y;
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42
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43 for (y = 0; y < lines - 3; y++) {
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44 move(y + 1, 0);
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45 for (x = 0; x < cols - 1; x++) {
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46 if (*moffset(y, x)) { /* here is a wall */
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47 if(y==0 || y==lines-4) /* top or bottom line */
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48 addch(HORZWALL);
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49 else if(x==0 || x==cols-2) /* left | right side */
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50 addch(VERTWALL);
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51 else if (y % 2 == 0 && x % 2 == 0) {
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52 if(*moffset(y, x-1) || *moffset(y, x+1))
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53 addch(HORZWALL);
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54 else
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55 addch(VERTWALL);
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56 }
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57 else if (y % 2 == 0)
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58 addch(HORZWALL);
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59 else
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60 addch(VERTWALL);
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61 }
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62 else
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63 addch(FLOOR);
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64 }
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65 }
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66 }
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67
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68 /*
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69 * domaze:
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70 * Draw the maze on this level.
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71 */
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72
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73 do_maze()
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74 {
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75 reg int least;
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76 reg struct room *rp;
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77 reg struct linked_list *item;
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78 reg struct object *obj;
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79 int cnt;
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80 bool treas;
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81 coord tp;
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82
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83 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) {
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84 rp->r_flags = ISGONE; /* kill all rooms */
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85 rp->r_fires = NULL; /* no fires */
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86 }
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87 rp = &rooms[0]; /* point to only room */
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88 rp->r_flags = ISDARK; /* mazes always dark */
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89 rp->r_pos.x = 0; /* room fills whole screen */
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90 rp->r_pos.y = 1;
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91 rp->r_max.x = cols - 1;
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92 rp->r_max.y = lines - 3;
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93 draw_maze(); /* put maze into window */
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