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annotate srogue/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 2128c7dc8a40
children 94a0d9dd5ce1
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36
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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 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 <ctype.h>
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18 #include "rogue.h"
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19 #include "rogue.ext"
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20
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21 /*
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22 * Used to hold the new hero position
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23 */
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24
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25 struct coord nh;
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26
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27 /*
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28 * do_run:
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29 * Start the hero running
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30 */
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31
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32 do_run(ch)
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33 char ch;
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34 {
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35 running = TRUE;
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36 after = FALSE;
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37 runch = ch;
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38 }
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39
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40 /*
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41 * do_move:
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42 * Check to see that a move is legal. If it is handle the
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43 * consequences (fighting, picking up, etc.)
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44 */
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45
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46 do_move(dy, dx)
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47 int dy, dx;
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48 {
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49 reg int ch;
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50 reg struct room *rp;
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51
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52 firstmove = FALSE;
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53 curprice = -1;
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54 inpool = FALSE;
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55
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56 if (player.t_nomove > 0) {
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57 player.t_nomove -= 1;
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58 msg("You are still stuck in the bear trap.");
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59 return;
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60 }
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61 /*
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62 * Do a confused move (maybe)
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63 */
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64 if ((rnd(100) < 80 && pl_on(ISHUH)) ||
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65 (iswearing(R_DELUS) && rnd(100) < 25))
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66 nh = *rndmove(&player);
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67 else {
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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 * Check if he tried to move off the screen or make
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73 * an illegal diagonal move, and stop him if he did.
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74 */
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75 if (!cordok(nh.y, nh.x) ||
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76 (pl_off(ISETHER) && !diag_ok(&hero, &nh))) {
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77 after = running = FALSE;
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78 return;
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79 }
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80 if (running) {
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81 ch = winat(nh.y, nh.x);
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82 if (dead_end(ch)) {
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83 reg int gox, goy, apsg, whichway;
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84
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85 gox = goy = apsg = 0;
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86 if (dy == 0) {
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87 ch = show(hero.y+1,hero.x);
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88 if (ch == PASSAGE) {
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89 apsg += 1;
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90 goy = 1;
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91 }
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92 ch = show(hero.y-1,hero.x);
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93 if (ch == PASSAGE) {
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94 apsg += 1;
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95 goy = -1;
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96 }
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97 }
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98 else if (dx == 0) {
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99 ch = show(hero.y,hero.x+1);
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100 if (ch == PASSAGE) {
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101 gox = 1;
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102 apsg += 1;
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103 }
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104 ch = show(hero.y,hero.x-1);
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105 if (ch == PASSAGE) {
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106 gox = -1;
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107 apsg += 1;