Mercurial > hg > early-roguelike
annotate rogue5/weapons.c @ 227:696277507a2e
Rogue V4, V5: disable a cheat granting permanent monster detection.
In these two games, a potion of monster detection turns on the player's
SEEMONST flag. A fuse is set to call turn_see() to turn the flag back
off. But the save and restore functions do not recognize turn_see() and
fail to set the fuse up again.
When restoring, Rogue V4 merely sets the fuse's function to NULL and
leaves it burning. When it goes off, a segfault results. Rogue V5
clears all the fuse's fields, and the player retains the ability to see
all monsters on the level.
The save and restore code can now handle the fuse. The function used is
a new wrapper, turn_see_off(), which should lead to less problems with
daemons being multiple incompatible types.
Also, Rogue V4 and Super-Rogue now properly clear unrecognized daemon
and fuse slots when restoring a saved game.
author | John "Elwin" Edwards |
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date | Sat, 05 Mar 2016 12:10:20 -0500 |
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rev | line source |
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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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