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annotate srogue/disply.c @ 306:057c5114e244

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Super-Rogue: fix some out-of-range constants. Constants K_ARROW etc., for causes of death other than monsters, are in the 240-255 range. They were often passed to functions taking char, which is usually signed, making the values out of range. The function declarations have been changed to unsigned char, which is also the type used by the scoreboard code.
author John "Elwin" Edwards
date Sat, 17 Apr 2021 15:41:12 -0400
parents e52a8a7ad4c5
children
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1 /*
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2 * various display routines and flag checking functions
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3 *
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4 * @(#)disply.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 * 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 "rogue.h"
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14 #include <ctype.h>
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15 #include "rogue.ext"
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16
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17 /*
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18 * displevl:
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19 * Display detailed level for wizard and scroll
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20 */
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21 void
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22 displevl(void)
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23 {
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24 reg char ch, mch;
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25 reg int i,j;
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26 reg struct room *rp;
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27
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28 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++)
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29 rp->r_flags &= ~ISDARK;
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30
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31 for (i = 0; i < LINES - 2; i++) {
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32 for (j = 0; j < COLS - 1; j++) {
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33 ch = mvinch(i,j) & A_CHARTEXT;
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34 if (isatrap(ch)) {
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35 struct trap *what;
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36
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37 what = trap_at(i, j);
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38 if (what != NULL)
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39 what->tr_flags |= ISFOUND;
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40 }
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41 else if (ch == SECRETDOOR) {
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42 ch = DOOR;
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43 mvaddch(i, j, ch);
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44 }
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45 else if (illeg_ch(ch)) {
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46 ch = FLOOR;
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47 mvaddch(i, j, ch);
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48 }
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49 if (mvwinch(mw, i, j) != ' ') {
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50 struct linked_list *what;
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51 struct thing *it;
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52
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53 what = find_mons(i, j);
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54 if (what == NULL) {
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55 ch = FLOOR;
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56 mvaddch(i, j, ch);
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57 }
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58 else {
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59 it = THINGPTR(what);
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60 it->t_oldch = ch;
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61 }
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62 }
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63 mch = mvwinch(cw, i, j) & A_CHARTEXT;
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64 if (isalpha(mch))
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65 ch = mch;
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66 mvwaddch(cw, i, j, ch);
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67 }
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68 }
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69 nochange = FALSE; /* display status again */
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70 draw(cw);
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71 }
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72
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73 /*
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74 * dispmons:
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75 * Show monsters for wizard and potion
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76 */
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77 void
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78 dispmons(void)
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79 {
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80 reg int y, x;
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81 reg struct thing *it;
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82 reg struct linked_list *item;
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83
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84 for (item = mlist; item != NULL; item = next(item)) {
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85 it = THINGPTR(item);
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86 y = it->t_pos.y;
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87 x = it->t_pos.x;
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88 mvwaddch(cw, y, x, it->t_type);
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89 it->t_flags |= ISFOUND;
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90 if (it->t_type == 'M') /* if a mimic */
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91 it->t_disguise = 'M'; /* give it away */
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92 }
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93 draw(cw);
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94 }
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95
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96 /*
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97 * winat:
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98 * Get whatever character is at a location on the screen
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99 */
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100 char
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101 winat(int y, int x)
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102 {
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103 reg char ch;