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annotate rogue4/command.c @ 113:aa582a02eb5d

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srogue: remove unnecessary pointer cast. Casting char* to int before a comparison doesn't alter the result, and isn't safe if sizeof(char *) != sizeof(int).
author John "Elwin" Edwards
date Thu, 27 Mar 2014 11:09:30 -0700
parents f871cb0539d3
children 1b73a8641b37
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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12
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1 /*
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2 * Read and execute the user commands
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3 *
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4 * @(#)command.c 4.31 (Berkeley) 4/6/82
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5 *
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6 * Rogue: Exploring the Dungeons of Doom
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7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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8 * All rights reserved.
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9 *
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10 * See the file LICENSE.TXT for full copyright and licensing information.
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11 */
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12
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13 #include <stdlib.h>
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14 #include <curses.h>
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15 #include <ctype.h>
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16 #include <stdlib.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 char countch, direction, newcount = FALSE;
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21
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22 /*
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23 * command:
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24 * Process the user commands
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25 */
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26 command()
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27 {
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28 register char ch;
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29 register int ntimes = 1; /* Number of player moves */
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30 char *unctrol();
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31
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32 if (on(player, ISHASTE))
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33 ntimes++;
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34 /*
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35 * Let the daemons start up
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36 */
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37 do_daemons(BEFORE);
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38 do_fuses(BEFORE);
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39 while (ntimes--)
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40 {
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41 /*
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42 * these are illegal things for the player to be, so if any are
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43 * set, someone's been poking in memeory
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44 */
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45 if (on(player, ISSLOW|ISCANC|ISGREED|ISINVIS|ISMEAN|ISREGEN))
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46 auto_save(-1);
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47
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48 look(TRUE);
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49 if (!running)
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50 door_stop = FALSE;
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51 status();
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52 lastscore = purse;
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53 move(hero.y, hero.x);
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54 if (!((running || count) && jump))
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55 refresh(); /* Draw screen */
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56 take = 0;
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57 after = TRUE;
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58 /*
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59 * Read command or continue run
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60 */
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61 #ifdef WIZARD
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62 if (wizard)
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63 noscore = TRUE;
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64 #endif
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65 if (!no_command)
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66 {
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67 if (running) ch = runch;
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68 else if (count) ch = countch;
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69 else
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70 {
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71 ch = readchar();
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72 if (mpos != 0 && !running) /* Erase message if its there */
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73 msg("");
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74 }
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75 }
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76 else
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77 ch = '.';
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78 if (no_command)
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79 {
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80 if (--no_command == 0)
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81 {
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82 msg("you can move again");
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83 }
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84 }
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85 else
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86 {
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87 /*
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88 * check for prefixes
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89 */
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90 if (isdigit(ch))
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91 {
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92 count = 0;
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93 newcount = TRUE;
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94 while (isdigit(ch))
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95 {
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96 count = count * 10 + (ch - '0');
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97 ch = readchar();
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98 }
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99 countch = ch;
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100 /*
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101 * turn off count for commands which don't make sense
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102 * to repeat
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103 */
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104 switch (ch) {
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105 case 'h': case 'j': case 'k': case 'l':
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106 case 'y': case 'u': case 'b': case 'n':