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annotate urogue/status.c @ 298:5a94c9b3181e

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UltraRogue: clear the next_obj field when removing items from the floor. The next_obj field is a pointer which the top item in a stack uses to keep a list of the other items. When removing an item from the stack, rem_obj() failed to set next_obj to NULL, which can cause items in monster inventory to point to items earlier in the inventory list. That causes infinite co-recursion when saving or restoring.
author John "Elwin" Edwards
date Thu, 08 Feb 2018 20:54:34 -0500
parents c495a4f288c6
children
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1 /*
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2 status.c - functions for complex status determination of monsters/objects
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3
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4 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
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5 Copyright (C) 1992, 1993, 1995 Herb Chong
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6 All rights reserved.
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7
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8 See the file LICENSE.TXT for full copyright and licensing information.
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9 */
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10
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11 #include "rogue.h"
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12
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13 /*
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14 has_defensive_spell()
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15 has monster cast a defensive spell.
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16 Any flags added here must also be in player_powers[].
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17 */
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18
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19 int
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20 has_defensive_spell(struct thing th)
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21 {
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22 if (on(th, HASOXYGEN))
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23 return(TRUE);
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24 if (on(th, CANFLY))
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25 return(TRUE);
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26 if (on(th, CANINWALL))
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27 return(TRUE);
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28 if (on(th, CANREFLECT))
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29 return(TRUE);
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30 if (on(th, CANSEE))
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31 return(TRUE);
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32 if (on(th, HASMSHIELD))
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33 return(TRUE);
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34 if (on(th, HASSHIELD))
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35 return(TRUE);
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36 if (on(th, ISHASTE))
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37 return(TRUE);
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38 if (on(th, ISREGEN))
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39 return(TRUE);
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40 if (on(th, ISDISGUISE))
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41 return(TRUE);
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42 if (on(th, ISINVIS))
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43 return(TRUE);
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44 if (on(th, NOCOLD))
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45 return(TRUE);
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46 if (on(th, NOFIRE))
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47 return(TRUE);
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48 if (on(th, ISELECTRIC))
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49 return(TRUE);
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50
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51 return(FALSE);
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52 }