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annotate arogue7/weapons.c @ 164:49af2fd0bb0c

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Move some autotools files to where configure can find them. rogue5 uses config.guess and config.sub to find the canonical system names. The configure script expects them to be in the same directory as install-sh. So they have been relocated to the top level. This is a quick and dirty fix. The eventual plan is to relocate them to /dev/null. I also suspect they should be used to set HOST, not TARGET. Rogue is not a cross-compiler.
author John "Elwin" Edwards
date Tue, 16 Jun 2015 11:44:49 -0400
parents b786053d2f37
children f9ef86cf22b2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * weapons.c - 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, 1986 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 /*
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16 * Functions for dealing with problems brought about by weapons
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17 *
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18 */
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19
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20 #include "curses.h"
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21 #include <ctype.h>
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b786053d2f37 arogue7: add missing header includes.
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22 #include <string.h>
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23 #include "rogue.h"
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24
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25 boomerang(ydelta, xdelta, item, tp)
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26 int ydelta, xdelta;
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27 register struct linked_list *item;
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28 register struct thing *tp;
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29 {
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30 register struct object *obj;
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31 struct thing midpoint;
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32 coord oldpos;
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33
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34 obj = OBJPTR(item);
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35 oldpos = obj->o_pos;
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36
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37 /*
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38 * make it appear to fly at the target
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39 */
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40 do_motion(obj, ydelta, xdelta, tp);
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41 hit_monster(unc(obj->o_pos), obj, tp);
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42
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43 /*
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44 * Now let's make it fly back to the wielder. We need to
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45 * use midpoint to fool do_motion into thinking the action
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46 * starts there. Do_motion only looks at the t_pos field.
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47 */
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48 midpoint.t_pos = obj->o_pos; /* Simulate a new start position */
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49 do_motion(obj, -ydelta, -xdelta, &midpoint);
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50
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51 obj->o_pos = oldpos;
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52 }
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53
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54 /*
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55 * do the actual motion on the screen done by an object traveling
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56 * across the room. Note that we should not look at any field in
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57 * tp other than t_pos unless we change boomerang().
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58 */
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59 do_motion(obj, ydelta, xdelta, tp)
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60 register struct object *obj;
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61 register int ydelta, xdelta;
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62 register struct thing *tp;
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63 {
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64
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65 /*
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66 * Come fly with us ...
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67 */
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68 obj->o_pos = tp->t_pos;
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69 for (; ;) {
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70 register int ch;
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71 /*
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72 * Erase the old one
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73 */
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74 if (!ce(obj->o_pos, tp->t_pos) &&
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75 cansee(unc(obj->o_pos)) &&
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76 mvwinch(cw, obj->o_pos.y, obj->o_pos.x) != ' ') {
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77 mvwaddch(cw, obj->o_pos.y, obj->o_pos.x, show(obj->o_pos.y, obj->o_pos.x));
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78 }
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79 /*
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80 * Get the new position
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81 */
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82 obj->o_pos.y += ydelta;
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83 obj->o_pos.x += xdelta;
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84 if (shoot_ok(ch = winat(obj->o_pos.y, obj->o_pos.x)) && ch != DOOR && !ce(obj->o_pos, hero)) {
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85 /*
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86 * It hasn't hit anything yet, so display it
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87 * If it alright.
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88 */
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89 if (cansee(unc(obj->o_pos)) &&
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90 mvwinch(cw, obj->o_pos.y, obj->o_pos.x) != ' ') {
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