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annotate rogue3/options.c @ 0:527e2150eaf0

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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
author edwarj4
date Tue, 13 Oct 2009 13:33:34 +0000
parents
children e676d52b5d09
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527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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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 * I would rather this command were not necessary, but
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4 * it is the only way to keep the wolves off of my back.
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5 *
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6 * @(#)options.c 3.3 (Berkeley) 5/25/81
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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 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 "machdep.h"
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20 #include "rogue.h"
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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 void *o_opt; /* pointer to thing to set */
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31 void (*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 OPTION optlist[] = {
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38 {"terse", "Terse output: ",
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39 (int *) &terse, put_bool, get_bool },
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40 {"flush", "Flush typeahead during battle: ",
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41 (int *) &fight_flush, put_bool, get_bool },
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42 {"jump", "Show position only at end of run: ",
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43 (int *) &jump, put_bool, get_bool },
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44 {"step", "Do inventories one line at a time: ",
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45 (int *) &slow_invent, put_bool, get_bool },
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46 {"askme", "Ask me about unidentified things: ",
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47 (int *) &askme, put_bool, get_bool },
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48 {"name", "Name: ",
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49 (int *) whoami, put_str, get_str },
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50 {"fruit", "Fruit: ",
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51 (int *) fruit, put_str, get_str },
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52 {"file", "Save file: ",
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53 (int *) file_name, put_str, get_str }
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54 };
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55
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56 /*
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57 * print and then set options from the terminal
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58 */
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59 void
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60 option()
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61 {
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62 OPTION *op;
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63 int retval;
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64
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65 wclear(hw);
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66 touchwin(hw);
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67 /*
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68 * Display current values of options
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69 */
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70 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++)
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71 {
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72 waddstr(hw, op->o_prompt);
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73 (*op->o_putfunc)(op->o_opt);
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74 waddch(hw, '\n');
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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 = optlist; op <= &optlist[NUM_OPTS-1]; op++)
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81 {
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82 waddstr(hw, op->o_prompt);
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83 if ((retval = (*op->o_getfunc)(op->o_opt, hw)))
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84 if (retval == QUIT)
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85 break;
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86 else if (op > optlist) { /* MINUS */
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87 wmove(hw, (int)(op - optlist) - 1, 0);
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88 op -= 2;
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89 }
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90 else /* trying to back up beyond the top */
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91 {
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92 beep();
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93 wmove(hw, 0, 0);
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94 op--;
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95 }
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96 }
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97 /*
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98 * Switch back to original screen
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99 */
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100 mvwaddstr(hw, LINES-1, 0, "--Press space to continue--");
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101 draw(hw);
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102 wait_for(hw,' ');