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annotate rogue3/move.c @ 253:d9badb9c0179

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Update the fallback install script.
author John "Elwin" Edwards
date Tue, 31 Jan 2017 18:59:38 -0500
parents d9e44e18eeec
children
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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 3.26 (Berkeley) 6/15/81
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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 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
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28 void
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29 do_run(int ch)
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30 {
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31 running = TRUE;
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32 after = FALSE;
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33 runch = ch;
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34 }
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35
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36 /*
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37 * do_move:
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38 * Check to see that a move is legal. If it is handle the
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39 * consequences (fighting, picking up, etc.)
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40 */
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41
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42 void
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43 do_move(int dy, int dx)
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44 {
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45 int ch;
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46
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47 firstmove = FALSE;
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48 if (no_move)
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49 {
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50 no_move--;
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51 msg("You are still stuck in the bear trap");
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52 return;
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53 }
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54 /*
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55 * Do a confused move (maybe)
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56 */
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57 if (rnd(100) < 80 && on(player, ISHUH))
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58 nh = *rndmove(&player);
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59 else
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60 {
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61 nh.y = hero.y + dy;
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62 nh.x = hero.x + dx;
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63 }
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64
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65 /*
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66 * Check if he tried to move off the screen or make an illegal
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67 * diagonal move, and stop him if he did.
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68 */
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69 if (nh.x < 0 || nh.x > COLS-1 || nh.y < 0 || nh.y > LINES - 1
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70 || !diag_ok(&hero, &nh))
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71 {
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72 after = FALSE;
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73 running = FALSE;
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74 return;
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75 }
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76 if (running && ce(hero, nh))
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77 after = running = FALSE;
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78 ch = winat(nh.y, nh.x);
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79 if (on(player, ISHELD) && ch != 'F')
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80 {
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81 msg("You are being held");
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82 return;
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83 }
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84 switch(ch)
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85 {
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86 case ' ':
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87 case '|':
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88 case '-':
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89 case SECRETDOOR:
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90 after = running = FALSE;
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91 return;
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92 case TRAP:
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93 ch = be_trapped(&nh);
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94 if (ch == TRAPDOOR || ch == TELTRAP)
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95 return;
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96 goto move_stuff;
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97 case GOLD:
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98 case POTION:
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99 case SCROLL:
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100 case FOOD:
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101 case WEAPON:
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102 case ARMOR:
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103 case RING:
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104 case AMULET:
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105 case STICK:
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106 running = FALSE;
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107 take = ch;
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