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annotate arogue5/weapons.c @ 162:600873555ec0

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Don't swap signal handlers in md_shellescape(). md_shellescape() sets SIGINT and SIGQUIT to be ignored, storing the previous handlers, and restores them after the shell exits. But it mixed up the two handlers. Since the signals were usually handled by the same function, this fix doesn't have much effect, but anything that makes signal code less confusing is a good thing.
author John "Elwin" Edwards
date Mon, 08 Jun 2015 10:01:25 -0400
parents c49f7927b0fa
children 56e748983fa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * Functions for dealing with problems brought about by weapons
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "Rogue: Exploring the Dungeons of Doom"
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 #include "curses.h"
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16 #include <ctype.h>
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c49f7927b0fa arogue5: add missing header files.
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17 #include <string.h>
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18 #include "rogue.h"
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19
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20
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21
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22 /*
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23 * do the actual motion on the screen done by an object traveling
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24 * across the room
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25 */
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26 do_motion(obj, ydelta, xdelta, tp)
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27 register struct object *obj;
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28 register int ydelta, xdelta;
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29 register struct thing *tp;
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30 {
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31
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32 /*
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33 * Come fly with us ...
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34 */
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35 obj->o_pos = tp->t_pos;
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36 for (; ;) {
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37 register int ch;
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38 /*
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39 * Erase the old one
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40 */
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41 if (!ce(obj->o_pos, tp->t_pos) &&
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42 cansee(unc(obj->o_pos)) &&
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43 mvwinch(cw, obj->o_pos.y, obj->o_pos.x) != ' ') {
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44 mvwaddch(cw, obj->o_pos.y, obj->o_pos.x, show(obj->o_pos.y, obj->o_pos.x));
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45 }
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46 /*
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47 * Get the new position
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48 */
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49 obj->o_pos.y += ydelta;
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50 obj->o_pos.x += xdelta;
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51 if (shoot_ok(ch = winat(obj->o_pos.y, obj->o_pos.x)) && ch != DOOR && !ce(obj->o_pos, hero)) {
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52 /*
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53 * It hasn't hit anything yet, so display it
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54 * If it alright.
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55 */
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56 if (cansee(unc(obj->o_pos)) &&
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57 mvwinch(cw, obj->o_pos.y, obj->o_pos.x) != ' ') {
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58 mvwaddch(cw, obj->o_pos.y, obj->o_pos.x, obj->o_type);
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59 draw(cw);
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60 }
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61 continue;
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62 }
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63 break;
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64 }
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65 }
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66
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67
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68 /*
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69 * fall:
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70 * Drop an item someplace around here.
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71 */
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72
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73 fall(item, pr)
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74 register struct linked_list *item;
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75 bool pr;
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76 {
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77 register struct object *obj;
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78 register struct room *rp;
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79 register int i;
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80 coord *fpos = NULL;
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81
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82 obj = OBJPTR(item);
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83 /*
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84 * try to drop the item, look up to 3 squares away for now
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85 */
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86 for (i=1; i<4; i++) {
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87 if ((fpos = fallpos(&obj->o_pos, FALSE, i)) != NULL)
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88 break;
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89 }
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90
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91 if (fpos != NULL) {
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92 mvaddch(fpos->y, fpos->x, obj->o_type);
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93 obj->o_pos = *fpos;
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94 if ((rp = roomin(&hero)) != NULL &&
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95 lit_room(rp)) {
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96 light(&hero);
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97 mvwaddch(cw, hero.y, hero.x, PLAYER);
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98 }
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99 attach(lvl_obj, item);
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100 return;
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101 }
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102
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103
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104 if (pr) {
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