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annotate srogue/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 94a0d9dd5ce1
children d71e5e1f49cf
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1 /*
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2 * This file has all the code for the option command.
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3 *
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4 * @(#)options.c 9.0 (rdk) 7/17/84
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5 *
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6 * Super-Rogue
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7 * Copyright (C) 1984 Robert D. Kindelberger
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8 * All rights reserved.
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9 *
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10 * Based on "Rogue: Exploring the Dungeons of Doom"
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11 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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12 * All rights reserved.
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13 *
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14 * See the file LICENSE.TXT for full copyright and licensing information.
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15 */
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16
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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 #include "rogue.ext"
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21
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22 /*
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23 * description of an option and what to do with it
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24 */
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25 struct optstruct {
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26 char *o_name; /* option name */
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27 char *o_prompt; /* prompt for interactive entry */
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28 char *o_opt; /* pointer to thing to set */
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29 };
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30
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31 typedef struct optstruct OPTION;
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32
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33 int allowchange(OPTION *opt);
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34
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35 OPTION optlist[] = {
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36 { "name", "Name: ", whoami },
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37 { "fruit", "Fruit: ", fruit },
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38 { "file", "Save file: ", file_name }
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39 };
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40 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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41 OPTION safeoptlist[] = {
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42 { "fruit", "Fruit: ", fruit },
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43 };
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44 #define NUM_SOPTS (sizeof safeoptlist / sizeof (OPTION))
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45
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46 /*
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47 * print and then set options from the terminal
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48 */
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49 void
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50 option(void)
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51 {
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52 reg OPTION *op;
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53 reg int wh;
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54 OPTION *olist;
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55 int olen;
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56
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57 if (use_savedir) {
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58 olist = safeoptlist;
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59 olen = NUM_SOPTS;
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60 }
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61 else {
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62 olist = optlist;
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63 olen = NUM_OPTS;
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64 }
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65
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66 wclear(hw);
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67 touchwin(hw);
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68 /*
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69 * Display current values of options
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70 */
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71 for (op = olist; op < &olist[olen]; op++) {
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72 wh = op - olist;
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73 mvwaddstr(hw, wh, 0, op->o_prompt);
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74 mvwaddstr(hw, wh, 16, op->o_opt);
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75 }
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76 /*
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77 * Set values
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78 */
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79 wmove(hw, 0, 0);
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80 for (op = olist; op < &olist[olen]; op++) {
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81 wmove(hw, op - olist, 16);
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82 if ((wh = get_str(op->o_opt, hw))) {
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83 if (wh == QUIT)
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84 break;
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85 else if (op > olist) {
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86 wmove(hw, op - olist, 0);
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87 op -= 2;
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88 }
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89 else {
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90 putchar(7);
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91 wmove(hw, 0, 0);
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92 op -= 1;
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93 }
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94 }
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95 }
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96 /*
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97 * Switch back to original screen
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98 */
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99 dbotline(hw,spacemsg);
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100 restscr(cw);