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annotate xrogue/fight.c @ 166:9b5f1e6aa35a

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arogue7, xrogue: fix uninitialized variables when restoring. The save and restore code assumed sizeof(long) == 4, which is not the case on x64. Reading only 4 bytes from the savefile left the others uninitialized, which led to problems like billions of experience points or gold pieces.
author John "Elwin" Edwards
date Fri, 26 Jun 2015 11:42:02 -0400
parents 856017d63519
children f54901b9c39b
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133
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1 /*
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2 fight.c - All the fighting gets done here
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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 <string.h>
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22 #include "rogue.h"
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23
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24 #define CONF_DAMAGE -1
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25 #define PARAL_DAMAGE -2
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26 #define DEST_DAMAGE -3
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27 #define DRAIN_DAMAGE -4
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28
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29 int killed_chance = 0; /* cumulative chance for goodies to loose it */
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30
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31 /*
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32 * returns true if player has a any chance to hit the monster
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33 */
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34
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35 player_can_hit(tp, weap)
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36 register struct thing *tp;
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37 register struct object *weap;
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38 {
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39 if (off(*tp, CMAGICHIT) && off(*tp, BMAGICHIT) && off(*tp, MAGICHIT))
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40 return(TRUE);
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41 if (weap && weap->o_type == RELIC)
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42 return(TRUE);
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43 if (on(*tp, CMAGICHIT) && weap && (weap->o_hplus>2 || weap->o_dplus>2))
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44 return(TRUE);
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45 if (on(*tp, BMAGICHIT) && weap && (weap->o_hplus>1 || weap->o_dplus>1))
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46 return(TRUE);
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47 if (on(*tp, MAGICHIT) && weap && (weap->o_hplus>0 || weap->o_dplus>0))
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48 return(TRUE);
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49 if (player.t_ctype == C_MONK) {
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50 if (on(*tp, CMAGICHIT) && pstats.s_lvl > 15)
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51 return(TRUE);
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52 if (on(*tp, BMAGICHIT) && pstats.s_lvl > 10)
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53 return(TRUE);
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54 if (on(*tp, MAGICHIT) && pstats.s_lvl > 5)
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55 return(TRUE);
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56 }
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57 return(FALSE);
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58 }
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59
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60 /*
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61 * fight:
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62 * The player attacks the monster.
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63 */
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64
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65 fight(mp, weap, thrown)
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66 register coord *mp;
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67 struct object *weap;
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68 bool thrown;
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69 {
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70 register struct thing *tp;
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71 register struct linked_list *item;
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72 register bool did_hit = TRUE;
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73 bool see_def, back_stab = FALSE;
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74 register char *mname;
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75
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76 /*
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77 * Find the monster we want to fight
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78 */
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79 if ((item = find_mons(mp->y, mp->x)) == NULL) {
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80 return(FALSE); /* must have killed him already */
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81 }
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82 tp = THINGPTR(item);
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83
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84 /*
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85 * Since we are fighting, things are not quiet so no healing takes
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86 * place. The -1 also tells us that we are in a fight.
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87 */
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88 player.t_quiet = -1;
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89 tp->t_quiet = -1;
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90
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91 see_def = ((off(*tp, ISINVIS) || on(player, CANSEE)) &&
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92 (off(*tp, ISSHADOW) || on(player, CANSEE)) &&
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