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annotate rogue3/move.c @ 221:71cb5b647f2b

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Rogue V5: remove troublesome automatic platform detection. configure.ac used AC_CANONICAL_SYSTEM to guess the GNU system description triplets. The target description was substituted into the Makefile and formatted into the filename for the binary distribution tarball. But 'target' is only intended for cross-compilers. 'host_os' might have been a better choice. The tarball filename can still be changed manually, by running make with an argument of 'DESTSYS=systemname'. Cross-compiling may be more difficult now, but I am not certain that it worked properly previously, and due to pending autoconf changes, it was likely to break anyway. The top-level config.guess and config.sub are no longer needed, but they may reappear if better support for cross-compilation is added.
author John "Elwin" Edwards
date Fri, 12 Feb 2016 14:25:47 -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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