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annotate urogue/move.c @ 264:778938a5c21d

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UltraRogue: add location for character files. When using the -n option, UltraRogue will look for character files in a single location, similar to save files. The location is chosen by defining CHRDIR in getplay.c, at least until UltraRogue gets integrated with the build systems.
author John "Elwin" Edwards
date Sun, 19 Feb 2017 19:47:09 -0500
parents c495a4f288c6
children e52a8a7ad4c5
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1 /*
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2 move.c - Hero movement commands
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3
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4 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
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5 Copyright (C) 1985, 1986, 1992, 1993, 1995 Herb Chong
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka
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10 All rights reserved.
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11
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12 Based on "Rogue: Exploring the Dungeons of Doom"
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13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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14 All rights reserved.
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15
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16 See the file LICENSE.TXT for full copyright and licensing information.
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17 */
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18
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19 #include <stdlib.h>
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20 #include <ctype.h>
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21 #include "rogue.h"
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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(char 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 if (doorstop && !on(player, ISBLIND))
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36 {
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37 door_stop = TRUE;
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38 firstmove = TRUE;
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39 }
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40 }
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41
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42 /*
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43 step_ok()
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44 returns true if it is ok for type to step on ch flgptr will be
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45 NULL if we don't know what the monster is yet!
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46 */
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47
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48 int
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49 step_ok(int y, int x, int can_on_monst, struct thing *flgptr)
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50 {
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51 struct linked_list *item;
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52 char ch;
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53
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54 /* What is here? Don't check monster window if MONSTOK is set */
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55
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56 if (can_on_monst == MONSTOK)
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57 ch = CCHAR( mvinch(y, x) );
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58 else
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59 ch = winat(y, x);
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60
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61 switch (ch)
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62 {
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63 case ' ':
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64 case '|':
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65 case '-':
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66 case SECRETDOOR:
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67 if (flgptr && on(*flgptr, CANINWALL))
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68 return(TRUE);
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69
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70 return(FALSE);
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71
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72 case SCROLL:
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73 /*
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74 * If it is a scroll, it might be a scare monster scroll so
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75 * we need to look it up to see what type it is.
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76 */
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77
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78 if (flgptr && flgptr->t_ctype == C_MONSTER)
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79 {
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80 item = find_obj(y, x);
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81
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82 if (item != NULL && (OBJPTR(item))->o_type == SCROLL
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83 && (OBJPTR(item))->o_which == S_SCARE
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84 && rnd(flgptr->t_stats.s_intel) < 12)
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85 return(FALSE); /* All but smart ones are scared */
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86 }
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87 return(TRUE);
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88
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89 default:
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90 return(!isalpha(ch));
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91 }
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92 }
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93
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94 /*