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annotate xrogue/bolt.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 e6179860cb76
children f54901b9c39b
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1 /*
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2 bolt.c - functions shooting an object across the room
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3
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4 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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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 and AT&T
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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 <curses.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 * shoot_bolt fires a bolt from the given starting point in the
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25 * given direction
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26 */
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27
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28 shoot_bolt(shooter, start, dir, get_points, reason, name, damage)
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29 struct thing *shooter;
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30 coord start, dir;
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31 bool get_points;
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32 short reason;
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33 char *name;
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34 int damage;
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35 {
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36 unsigned char dirch = 0, ch;
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37 bool used, change, see_him;
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38 short y, x, bounces;
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39 coord pos;
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40 struct linked_list *target=NULL;
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41 struct {
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42 coord place;
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43 char oldch;
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44 } spotpos[BOLT_LENGTH];
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45
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46 switch (dir.y + dir.x) {
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47 case 0: dirch = '/';
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48 when 1: case -1: dirch = (dir.y == 0 ? '-' : '|');
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49 when 2: case -2: dirch = '\\';
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50 }
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51 pos.y = start.y + dir.y;
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52 pos.x = start.x + dir.x;
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53 used = FALSE;
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54 change = FALSE;
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55
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56 bounces = 0; /* No bounces yet */
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57 nofont(cw);
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58 for (y = 0; y < BOLT_LENGTH && !used; y++) {
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59 ch = winat(pos.y, pos.x);
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60 spotpos[y].place = pos;
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61 spotpos[y].oldch = mvwinch(cw, pos.y, pos.x);
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62
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63 /* Are we at hero? */
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64 if (ce(pos, hero)) goto at_hero;
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65
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66 switch (ch) {
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67 case SECRETDOOR:
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68 case VERTWALL:
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69 case HORZWALL:
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70 case ' ':
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71 if (dirch == '-' || dirch == '|') {
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72 dir.y = -dir.y;
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73 dir.x = -dir.x;
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74 }
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75 else {
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76 unsigned char chx = mvinch(pos.y-dir.y, pos.x),
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77 chy = mvinch(pos.y, pos.x-dir.x);
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78 bool anychange = FALSE; /* Did we change anthing */
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79
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80 if (chy == WALL || chy == SECRETDOOR ||
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81 chy == HORZWALL || chy == VERTWALL) {
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82 dir.y = -dir.y;
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83 change ^= TRUE; /* Change at least one direction */
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84 anychange = TRUE;
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85 }
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86 if (chx == WALL || chx == SECRETDOOR ||
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87 chx == HORZWALL || chx == VERTWALL) {
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88 dir.x = -dir.x;
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89 change ^= TRUE; /* Change at least one direction */
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90 anychange = TRUE;
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91 }
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92
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