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annotate srogue/options.c @ 36:2128c7dc8a40

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Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
author elwin
date Thu, 25 Nov 2010 12:21:41 +0000
parents
children 34d7a614855e
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36
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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 <termios.h>
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18 #include <ctype.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 extern struct termios terminal;
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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 char *o_opt; /* pointer to thing to set */
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31 };
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32
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33 typedef struct optstruct OPTION;
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34
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35 int put_str(), get_str();
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36
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37 OPTION optlist[] = {
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38 { "name", "Name: ", whoami },
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39 { "fruit", "Fruit: ", fruit },
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40 { "file", "Save file: ", file_name }
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41 };
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42 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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43
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44 /*
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45 * print and then set options from the terminal
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46 */
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47 option()
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48 {
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49 reg OPTION *op;
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50 reg int wh;
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51
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52 wclear(hw);
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53 touchwin(hw);
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54 /*
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55 * Display current values of options
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56 */
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57 for (op = optlist; op < &optlist[NUM_OPTS]; op++) {
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58 wh = op - optlist;
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59 mvwaddstr(hw, wh, 0, op->o_prompt);
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60 mvwaddstr(hw, wh, 16, op->o_opt);
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61 }
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62 /*
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63 * Set values
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64 */
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65 wmove(hw, 0, 0);
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66 for (op = optlist; op < &optlist[NUM_OPTS]; op++) {
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67 wmove(hw, op - optlist, 16);
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68 if ((wh = get_str(op->o_opt, hw))) {
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69 if (wh == QUIT)
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70 break;
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71 else if (op > optlist) {
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72 wmove(hw, op - optlist, 0);
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73 op -= 2;
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74 }
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75 else {
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76 putchar(7);
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77 wmove(hw, 0, 0);
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78 op -= 1;
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79 }
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80 }
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81 }
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82 /*
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83 * Switch back to original screen
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84 */
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85 dbotline(hw,spacemsg);
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86 restscr(cw);
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87 after = FALSE;
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88 }
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89
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90
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91 /*
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92 * get_str:
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93 * Set a string option
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94 */
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95 #define CTRLB 2
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96 get_str(opt, awin)
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97 char *opt;
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98 WINDOW *awin;
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99 {
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100 reg char *sp;
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101 reg int c, oy, ox;
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102 char buf[LINLEN];
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103
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104 draw(awin);