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annotate rogue5/weapons.c @ 229:50b89f165a34

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Use uniform return types for functions related to options. Functions for printing options now return void. Functions for setting options now return int. Argument types still vary, though converting all the option pointers to void* would be possible.
author John "Elwin" Edwards
date Sun, 06 Mar 2016 14:45:18 -0500
parents f502bf60e6e4
children
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33
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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 * @(#)weapons.c 4.34 (Berkeley) 02/05/99
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5 *
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6 * Rogue: Exploring the Dungeons of Doom
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7 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman
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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 <curses.h>
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14 #include <string.h>
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15 #include <ctype.h>
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16 #include "rogue.h"
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17
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18 #define NO_WEAPON -1
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19
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20 static const struct init_weaps {
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21 char *iw_dam; /* Damage when wielded */
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22 char *iw_hrl; /* Damage when thrown */
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23 int iw_launch; /* Launching weapon */
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24 int iw_flags; /* Miscellaneous flags */
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25 } init_dam[MAXWEAPONS] = {
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26 { "2x4", "1x3", NO_WEAPON, 0, }, /* Mace */
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27 { "3x4", "1x2", NO_WEAPON, 0, }, /* Long sword */
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28 { "1x1", "1x1", NO_WEAPON, 0, }, /* Bow */
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29 { "1x1", "2x3", BOW, ISMANY|ISMISL, }, /* Arrow */
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30 { "1x6", "1x4", NO_WEAPON, ISMISL|ISMISL, }, /* Dagger */
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31 { "4x4", "1x2", NO_WEAPON, 0, }, /* 2h sword */
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32 { "1x1", "1x3", NO_WEAPON, ISMANY|ISMISL, }, /* Dart */
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33 { "1x2", "2x4", NO_WEAPON, ISMANY|ISMISL, }, /* Shuriken */
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34 { "2x3", "1x6", NO_WEAPON, ISMISL, }, /* Spear */
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35 };
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36
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37 /*
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38 * missile:
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39 * Fire a missile in a given direction
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40 */
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41
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42 void
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43 missile(int ydelta, int xdelta)
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44 {
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45 THING *obj;
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46
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47 /*
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48 * Get which thing we are hurling
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49 */
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50 if ((obj = get_item("throw", WEAPON)) == NULL)
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51 return;
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52 if (!dropcheck(obj) || is_current(obj))
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53 return;
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54 obj = leave_pack(obj, TRUE, FALSE);
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55 do_motion(obj, ydelta, xdelta);
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56 /*
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57 * AHA! Here it has hit something. If it is a wall or a door,
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58 * or if it misses (combat) the monster, put it on the floor
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59 */
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60 if (moat(obj->o_pos.y, obj->o_pos.x) == NULL ||
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61 !hit_monster(unc(obj->o_pos), obj))
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62 fall(obj, TRUE);
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63 }
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64
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65 /*
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66 * do_motion:
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67 * Do the actual motion on the screen done by an object traveling
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68 * across the room
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69 */
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70
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71 void
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72 do_motion(THING *obj, int ydelta, int xdelta)
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73 {
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74 int ch;
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75
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76 /*
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77 * Come fly with us ...
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78 */
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79 obj->o_pos = hero;
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80 for (;;)
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81 {
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82 /*
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83 * Erase the old one
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84 */
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85 if (!ce(obj->o_pos, hero) && cansee(unc(obj->o_pos)) && !terse)
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86 {
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87 ch = chat(obj->o_pos.y, obj->o_pos.x);
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88 if (ch == FLOOR && !show_floor())
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89 ch = ' ';
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90 mvaddch(obj->o_pos.y, obj->o_pos.x, ch);
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91 }
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92 /*
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93 * Get the new position
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94 */
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95 obj->o_pos.y += ydelta;
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96 obj->o_pos.x += xdelta;
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97 if (step_ok(ch = winat(obj->o_pos.y, obj->o_pos.x)) && ch != DOOR)
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98 {
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99 /*
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100 * It hasn't hit anything yet, so display it
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101 * If it alright.
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102 */
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103 if (cansee(unc(obj->o_pos)) && !terse)
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104 {
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105 mvaddch(obj->o_pos.y, obj->o_pos.x, obj->o_type);
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106 refresh();