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annotate arogue5/encumb.c @ 299:74351bf23e5e

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Fix another pointer bug related to object stacks.
author John "Elwin" Edwards
date Sun, 11 Feb 2018 15:37:33 -0500
parents 56e748983fa8
children
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1 /*
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2 * Stuff to do with encumberence
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "Super-Rogue"
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9 * Copyright (C) 1984 Robert D. Kindelberger
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 #include "curses.h"
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16 #include "rogue.h"
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17
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18 int packweight(void);
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19
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20 /*
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21 * updpack:
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22 * Update his pack weight and adjust fooduse accordingly
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23 */
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24 void
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25 updpack(bool getmax)
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26 {
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27
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28 reg int topcarry, curcarry;
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29
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30 if (getmax)
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31 pstats.s_carry = totalenc(); /* get total encumb */
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32 curcarry = packweight(); /* get pack weight */
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33 topcarry = pstats.s_carry / 5; /* 20% of total carry */
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34 if(curcarry > 4 * topcarry) {
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35 if(rnd(100) < 80)
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36 foodlev = 3; /* > 80% of pack */
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37 } else if(curcarry > 3 * topcarry) {
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38 if(rnd(100) < 60)
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39 foodlev = 2; /* > 60% of pack */
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40 } else
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41 foodlev = 1; /* <= 60% of pack */
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42 pstats.s_pack = curcarry; /* update pack weight */
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43 }
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44
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45
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46 /*
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47 * packweight:
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48 * Get the total weight of the hero's pack
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49 */
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50 int
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51 packweight(void)
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52 {
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53 reg struct object *obj;
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54 reg struct linked_list *pc;
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55 reg int weight;
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56
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57 weight = 0;
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58 for(pc = pack ; pc != NULL ; pc = next(pc)) {
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59 obj = OBJPTR(pc);
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60 weight += itemweight(obj);
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61 }
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62 if(weight < 0) /* in case of amulet */
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63 weight = 0;
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64 if(ISWEARING(R_HEAVY))
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65 weight += weight / 4;
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66 return(weight);
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67 }
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68
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69
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70 /*
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71 * itemweight:
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72 * Get the weight of an object
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73 */
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74 int
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75 itemweight(struct object *wh)
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76 {
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77 reg int weight;
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78 reg int ac;
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79
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80 weight = wh->o_weight; /* get base weight */
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81 switch(wh->o_type) {
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82 case ARMOR:
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83 /*
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84 * subtract 10% for each enchantment
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85 * this will add weight for negative items
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86 */
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87 ac = armors[wh->o_which].a_class - wh->o_ac;
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88 weight = ((weight*10) - (weight*ac)) / 10;
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89 if (weight < 0) weight = 0;
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90 when WEAPON:
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91 if ((wh->o_hplus + wh->o_dplus) > 0)
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92 weight /= 2;
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93 }
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94 if(wh->o_flags & ISCURSED)
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95 weight += weight / 5; /* 20% more for cursed */
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96 weight *= wh->o_count;
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97 return(weight);
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98 }
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99
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100
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101 /*
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102 * playenc:
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103 * Get hero's carrying ability above norm