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annotate xrogue/effects.c @ 133:e6179860cb76

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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
author John "Elwin" Edwards
date Tue, 21 Apr 2015 08:55:20 -0400
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children ce0cf824c192
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133
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1 /*
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2 effects.c - functions for dealing with appllying effects to monsters
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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 "rogue.h"
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21
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22 /*
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23 * effect:
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24 * Check for effects of one thing hitting another thing. Return
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25 * the reason code if the defender is killed. Otherwise return 0.
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26 */
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27
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28 effect(att, def, weap, thrown, see_att, see_def)
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29 register struct thing *att, *def;
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30 struct object *weap;
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31 bool thrown;
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32 register bool see_att, see_def;
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33 {
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34 register bool att_player, def_player;
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35 char attname[LINELEN+1], defname[LINELEN+1];
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36
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37 /* See if the attacker or defender is the player */
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38 att_player = (att == &player);
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39 def_player = (def == &player);
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40
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41 /*
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42 * If the player could see the attacker or defender, they can't
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43 * surprise anymore (don't bother checking if they could).
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44 */
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45 if (see_att) turn_off(*att, CANSURPRISE);
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46 if (see_def) turn_off(*def, CANSURPRISE);
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47
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48 /* What are the attacker and defender names? */
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49 if (att_player) strcpy(attname, "you");
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50 else {
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51 if (see_att) strcpy(attname, monster_name(att));
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52 else strcpy(attname, "something");
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53 }
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54
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55 if (def_player) strcpy(defname, "you");
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56 else {
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57 if (see_def) strcpy(defname, monster_name(def));
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58 else strcpy(defname, "something");
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59 }
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60
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61 /*
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62 * See what happens to the attacker first. We can skip this
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63 * whole section, however, if the defender is the player.
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64 * Nothing happens (yet) to anyone just for hitting the player.
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65 */
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66 if (!def_player) {
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67 if (!thrown) { /* Some things require a direct hit. */
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68 /*
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69 * If the attacker hits a rusting monster, The weapon
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70 * may be damaged
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71 */
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72 if (on(*def, CANRUST) && weap &&
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73 weap->o_type != RELIC && (weap->o_flags & ISMETAL) &&
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74 !(weap->o_flags & ISPROT)) {
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75 if ((weap->o_hplus < 1 && weap->o_dplus < 1) ||
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76 roll(1,20) < weap->o_hplus+weap->o_dplus+10) {
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77 if (rnd(100) < 50) weap->o_hplus--;
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78 else weap->o_dplus--;
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79 if (att_player)
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80 msg(terse ? "Your %s weakens!"
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81 : "Your %s gets weaker!",
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82 weaps[weap->o_which].w_name);
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83 }
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84 }
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85 }
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86
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87 /* If the attacker hit something that shrieks, wake the dungeon */
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88 if (on(*def, CANSHRIEK)) {
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89 if (see_def)
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