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annotate rogue5/weapons.c @ 82:f11eeafc6568

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srogue: don't store machine-dependent metadata in the savefile. Super-Rogue, like Rogue V4, stored data of machine-dependent length in the savefile, to prevent cheating. This made saved games non-portable. Also deleted was a check that used this data, and prevented restoring savefiles from backup. This change BREAKS SAVEFILE COMPATIBILITY, but old files can be converted by removing the block at offset 0x1e with length sizeof(ino_t) + sizeof(dev_t) + 2 * sizeof(time_t). That seems to be 0x14 on i686 and 0x20 on x86_64.
author John "Elwin" Edwards
date Tue, 06 Aug 2013 19:02:58 -0700
parents f502bf60e6e4
children
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33
f502bf60e6e4 Import Rogue 5.4 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 * @(#)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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