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annotate srogue/move.c @ 239:837044d2c362

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Merge the GCC5 and build fix branches. This fixes all warnings produced by GCC 5, except the ones related to system functions. Those could be fixed by including the proper headers, but it would be better to replace the system-dependent code with functions from mdport.c.
author John "Elwin" Edwards
date Fri, 11 Mar 2016 19:47:52 -0500
parents 94a0d9dd5ce1
children e52a8a7ad4c5
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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 <string.h>
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18 #include <ctype.h>
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19 #include "rogue.h"
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20 #include "rogue.ext"
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21
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22 /*
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23 * Used to hold the new hero position
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24 */
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25
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26 struct coord nh;
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27
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28 /*
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29 * do_run:
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30 * Start the hero running
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31 */
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32
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33 void
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34 do_run(char ch)
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35 {
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36 running = TRUE;
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37 after = FALSE;
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38 runch = ch;
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39 }
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40
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41 /*
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42 * do_move:
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43 * Check to see that a move is legal. If it is handle the
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44 * consequences (fighting, picking up, etc.)
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45 */
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46
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47 void
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48 do_move(int dy, int dx)
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49 {
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50 reg int ch;
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51 reg struct room *rp;
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52
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53 firstmove = FALSE;
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54 curprice = -1;
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55 inpool = FALSE;
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56
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57 if (player.t_nomove > 0) {
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58 player.t_nomove -= 1;
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59 msg("You are still stuck in the bear trap.");
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60 return;
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61 }
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62 /*
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63 * Do a confused move (maybe)
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64 */
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65 if ((rnd(100) < 80 && pl_on(ISHUH)) ||
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66 (iswearing(R_DELUS) && rnd(100) < 25))
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67 nh = *rndmove(&player);
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68 else {
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69 nh.y = hero.y + dy;
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70 nh.x = hero.x + dx;
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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
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74 * an illegal diagonal move, and stop him if he did.
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75 */
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76 if (!cordok(nh.y, nh.x) ||
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77 (pl_off(ISETHER) && !diag_ok(&hero, &nh))) {
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78 after = running = FALSE;
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79 return;
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80 }
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81 if (running) {
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82 ch = winat(nh.y, nh.x);
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83 if (dead_end(ch)) {
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84 reg int gox, goy, apsg, whichway;
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85
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86 gox = goy = apsg = 0;
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87 if (dy == 0) {
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88 ch = show(hero.y+1,hero.x);
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89 if (ch == PASSAGE) {
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90 apsg += 1;
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91 goy = 1;
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92 }
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93 ch = show(hero.y-1,hero.x);
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94 if (ch == PASSAGE) {
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95 apsg += 1;
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96 goy = -1;
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97 }
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98 }
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99 else if (dx == 0) {
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100 ch = show(hero.y,hero.x+1);
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101 if (ch == PASSAGE) {
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102 gox = 1;
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103 apsg += 1;
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104 }
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105 ch = show(hero.y,hero.x-1);
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