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annotate rogue4/options.c @ 223:0e99eade579c

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Generate text documentation from the troff source files. This is done by make, in the 'docs' target, which is now part of the normal build process. Unfortunately, not all the games include troff sources. Getting decent HTML output from groff is still a difficult process which will not be attempted at this time. There are a few bugs in the 'install' and 'uninstall' rules. Not to mention that the documentation is sometimes inaccurate.
author John "Elwin" Edwards
date Sun, 21 Feb 2016 20:47:12 -0500
parents e7dc81b41168
children 1b73a8641b37
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1 /*
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2 * This file has all the code for the option command. I would rather
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3 * this command were not necessary, but it is the only way to keep the
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4 * wolves off of my back.
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5 *
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6 * @(#)options.c 4.12 (Berkeley) 3/2/82
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7 *
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8 * Rogue: Exploring the Dungeons of Doom
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9 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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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 <curses.h>
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16 #include <ctype.h>
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17 #include <string.h>
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18 #include "rogue.h"
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19
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20 #define EQSTR(a, b, c) (strncmp(a, b, c) == 0)
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21
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22 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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23
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24 /*
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25 * description of an option and what to do with it
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26 */
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27 struct optstruct {
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28 char *o_name; /* option name */
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29 char *o_prompt; /* prompt for interactive entry */
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30 int *o_opt; /* pointer to thing to set */
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31 int (*o_putfunc)(); /* function to print value */
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32 int (*o_getfunc)(); /* function to get value interactively */
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33 };
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34
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35 typedef struct optstruct OPTION;
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36
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37 int allowchange(OPTION *opt);
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38
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39 int put_bool(), get_bool(), put_str(), get_str();
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40
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41 OPTION optlist[] = {
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42 {"terse", "Terse output: ",
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43 (int *) &terse, put_bool, get_bool },
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44 {"flush", "Flush typeahead during battle: ",
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45 (int *) &fight_flush, put_bool, get_bool },
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46 {"jump", "Show position only at end of run: ",
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47 (int *) &jump, put_bool, get_bool },
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48 {"step", "Do inventories one line at a time: ",
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49 (int *) &slow_invent, put_bool, get_bool },
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50 {"askme", "Ask me about unidentified things: ",
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51 (int *) &askme, put_bool, get_bool },
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52 {"passgo", "Follow turnings in passageways: ",
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53 (int *) &passgo, put_bool, get_bool },
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54 {"name", "Name: ",
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55 (int *) whoami, put_str, get_str },
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56 {"fruit", "Fruit: ",
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57 (int *) fruit, put_str, get_str },
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58 {"file", "Save file: ",
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59 (int *) file_name, put_str, get_str }
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60 };
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61
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62 /*
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63 * option:
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64 * Print and then set options from the terminal
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65 */
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66 option()
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67 {
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68 register OPTION *op;
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69 register int retval;
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70
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71 wclear(hw);
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72 /*
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73 * Display current values of options
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74 */
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75 for (op = optlist; op < &optlist[NUM_OPTS]; op++)
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76 {
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77 if (allowchange(op))
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78 {
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79 waddstr(hw, op->o_prompt);
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80 (*op->o_putfunc)(op->o_opt);
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81 waddch(hw, '\n');
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82 }
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83 }
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84 /*
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85 * Set values
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86 */
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87 wmove(hw, 0, 0);
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88 for (op = optlist; op < &optlist[NUM_OPTS]; op++)
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89 {
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90 if (!allowchange(op))
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91 continue;
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92 waddstr(hw, op->o_prompt);
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93 if ((retval = (*op->o_getfunc)(op->o_opt, hw)))
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94 {
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95 if (retval == QUIT)
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96 break;
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97 #if 0 /* disable MINUS */
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98 else if (op > optlist) { /* MINUS */
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99 wmove(hw, (op - optlist) - 1, 0);
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100 op -= 2;
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