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annotate rogue4/move.c @ 168:82b2a046d151

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arogue7: fix inventory display bug again. Removing the call to msg() in restore() resulted in msgw remaining as it was when the game was saved. This results in another display glitch like that fixed by r163. Adding an empty message puts msgw into a reliable state.
author John "Elwin" Edwards
date Tue, 30 Jun 2015 12:00:02 -0400
parents 9535a08ddc39
children 1b73a8641b37
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12
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1 /*
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2 * Hero movement commands
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3 *
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4 * @(#)move.c 4.24 (Berkeley) 5/12/82
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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 <curses.h>
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14 #include <ctype.h>
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15 #include "rogue.h"
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16
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17 /*
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18 * Used to hold the new hero position
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19 */
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20
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21 coord nh;
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22
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23 /*
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24 * do_run:
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25 * Start the hero running
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26 */
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27 do_run(ch)
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28 char ch;
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29 {
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30 running = TRUE;
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31 after = FALSE;
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32 runch = ch;
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33 }
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34
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35 /*
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36 * do_move:
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37 * Check to see that a move is legal. If it is handle the
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38 * consequences (fighting, picking up, etc.)
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39 */
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40 do_move(dy, dx)
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41 int dy, dx;
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42 {
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43 register char ch, fl;
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44
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45 firstmove = FALSE;
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46 if (no_move)
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47 {
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48 no_move--;
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49 msg("you are still stuck in the bear trap");
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50 return;
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51 }
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52 /*
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53 * Do a confused move (maybe)
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54 */
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55 if (on(player, ISHUH) && rnd(5) != 0)
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56 {
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57 nh = *rndmove(&player);
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58 if (ce(nh, hero))
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59 {
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60 after = FALSE;
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61 running = FALSE;
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62 return;
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63 }
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64 }
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65 else
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66 {
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67 over:
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68 nh.y = hero.y + dy;
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69 nh.x = hero.x + dx;
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70 }
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71
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72 /*
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73 * Check if he tried to move off the screen or make an illegal
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74 * diagonal move, and stop him if he did.
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75 */
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76 if (nh.x < 0 || nh.x > COLS-1 || nh.y < 1 || nh.y > LINES - 2)
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77 goto hit_bound;
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78 if (!diag_ok(&hero, &nh))
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79 {
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80 after = FALSE;
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81 running = FALSE;
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82 return;
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83 }
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84 if (running && ce(hero, nh))
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85 after = running = FALSE;
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86 fl = flat(nh.y, nh.x);
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87 ch = winat(nh.y, nh.x);
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88 if (!(fl & F_REAL) && ch == FLOOR)
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89 {
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90 chat(nh.y, nh.x) = ch = TRAP;
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91 flat(nh.y, nh.x) |= F_REAL;
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92 }
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93 else
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94 if (on(player, ISHELD) && ch != 'F')
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95 {
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96 msg("you are being held");
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97 return;
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98 }
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99 switch (ch)
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100 {
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101 case ' ':
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102 case '|':
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103 case '-':
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104 hit_bound:
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105 if (passgo && running && (proom->r_flags & ISGONE)
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106 && !on(player, ISBLIND))
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107 {