annotate arogue5/maze.c @ 315:ad2570b5b21f

Advanced Rogue 5, 7: fix some trading post messages. When attempting to buy an unaffordable object, messages were often of the form "You can't afford that a scroll of hold monster !", because the object description (stored in curpurch) was the same text used in inventory displays. This has been worked around by inspecting the contents of curpurch and using different message templates.
author John "Elwin" Edwards
date Sun, 24 Oct 2021 20:26:21 -0400
parents 0250220d8cdd
children
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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 unsigned 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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