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annotate rogue5/options.c @ 227:696277507a2e

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Rogue V4, V5: disable a cheat granting permanent monster detection. In these two games, a potion of monster detection turns on the player's SEEMONST flag. A fuse is set to call turn_see() to turn the flag back off. But the save and restore functions do not recognize turn_see() and fail to set the fuse up again. When restoring, Rogue V4 merely sets the fuse's function to NULL and leaves it burning. When it goes off, a segfault results. Rogue V5 clears all the fuse's fields, and the player retains the ability to see all monsters on the level. The save and restore code can now handle the fuse. The function used is a new wrapper, turn_see_off(), which should lead to less problems with daemons being multiple incompatible types. Also, Rogue V4 and Super-Rogue now properly clear unrecognized daemon and fuse slots when restoring a saved game.
author John "Elwin" Edwards
date Sat, 05 Mar 2016 12:10:20 -0500
parents 655c317b6237
children
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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 4.24 (Berkeley) 05/10/83
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7 *
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8 * Rogue: Exploring the Dungeons of Doom
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9 * Copyright (C) 1980-1983, 1985, 1999 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 <stdlib.h>
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16 #include <curses.h>
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17 #include <ctype.h>
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18 #include <string.h>
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19 #include "rogue.h"
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20
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21 #define EQSTR(a, b, c) (strncmp(a, b, c) == 0)
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22
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23 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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24
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25 /*
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26 * description of an option and what to do with it
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27 */
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28 struct optstruct {
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29 char *o_name; /* option name */
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30 char *o_prompt; /* prompt for interactive entry */
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31 void *o_opt; /* pointer to thing to set */
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32 /* function to print value */
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33 void (*o_putfunc)(void *opt);
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34 /* function to get value interactively */
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35 int (*o_getfunc)(void *opt, WINDOW *win);
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36 };
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37
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38 typedef struct optstruct OPTION;
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39
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40 void pr_optname(const OPTION *op);
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41 int allowchange(const OPTION *op);
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42
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43 static const OPTION optlist[] = {
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44 {"terse", "Terse output",
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45 &terse, put_bool, get_bool },
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46 {"flush", "Flush typeahead during battle",
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47 &fight_flush, put_bool, get_bool },
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48 {"jump", "Show position only at end of run",
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49 &jump, put_bool, get_bool },
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50 {"seefloor", "Show the lamp-illuminated floor",
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51 &see_floor, put_bool, get_sf },
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52 {"passgo", "Follow turnings in passageways",
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53 &passgo, put_bool, get_bool },
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54 {"tombstone", "Print out tombstone when killed",
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55 &tombstone, put_bool, get_bool },
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56 {"inven", "Inventory style",
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57 &inv_type, put_inv_t, get_inv_t },
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58 {"name", "Name",
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59 whoami, put_str, get_str },
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60 {"fruit", "Fruit",
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61 fruit, put_str, get_str },
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62 {"file", "Save file",
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63 file_name, put_str, get_str }
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64 };
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65
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66 /*
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67 * option:
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68 * Print and then set options from the terminal
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69 */
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70
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71 void
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72 option(void)
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73 {
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74 const OPTION *op;
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75 int retval;
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76
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77 wclear(hw);
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78 /*
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79 * Display current values of options
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80 */
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81 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++)
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82 {
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83 if (allowchange(op))
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84 {
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85 pr_optname(op);
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86 (*op->o_putfunc)(op->o_opt);
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87 waddch(hw, '\n');
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88 }
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89 }
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90 /*
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91 * Set values
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92 */
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93 wmove(hw, 0, 0);
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94 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++)
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95 {
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96 if (!allowchange(op))
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97 continue;
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98 pr_optname(op);
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99 retval = (*op->o_getfunc)(op->o_opt, hw);
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100 if (retval)
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101 {
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102 if (retval == QUIT)
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103 break;
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