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annotate arogue5/encumb.c @ 120:d6b7c3fb37ea

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srogue: add and use more md_* portable functions. Privileges and memory usage checks are now more portable.
author John "Elwin" Edwards
date Fri, 02 May 2014 15:06:23 -0700
parents 0ed67132cf10
children 56e748983fa8
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0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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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 /*
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19 * updpack:
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20 * Update his pack weight and adjust fooduse accordingly
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21 */
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22 updpack(getmax)
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23 int getmax;
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24 {
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25
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26 reg int topcarry, curcarry;
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27
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28 if (getmax)
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29 pstats.s_carry = totalenc(); /* get total encumb */
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30 curcarry = packweight(); /* get pack weight */
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31 topcarry = pstats.s_carry / 5; /* 20% of total carry */
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32 if(curcarry > 4 * topcarry) {
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33 if(rnd(100) < 80)
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34 foodlev = 3; /* > 80% of pack */
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35 } else if(curcarry > 3 * topcarry) {
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36 if(rnd(100) < 60)
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37 foodlev = 2; /* > 60% of pack */
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38 } else
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39 foodlev = 1; /* <= 60% of pack */
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40 pstats.s_pack = curcarry; /* update pack weight */
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41 }
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42
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43
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44 /*
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45 * packweight:
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46 * Get the total weight of the hero's pack
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47 */
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48 packweight()
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49 {
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50 reg struct object *obj;
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51 reg struct linked_list *pc;
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52 reg int weight;
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53
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54 weight = 0;
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55 for(pc = pack ; pc != NULL ; pc = next(pc)) {
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56 obj = OBJPTR(pc);
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57 weight += itemweight(obj);
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58 }
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59 if(weight < 0) /* in case of amulet */
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60 weight = 0;
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61 if(ISWEARING(R_HEAVY))
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62 weight += weight / 4;
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63 return(weight);
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64 }
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65
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66
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67 /*
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68 * itemweight:
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69 * Get the weight of an object
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70 */
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71 itemweight(wh)
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72 reg struct object *wh;
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73 {
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74 reg int weight;
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75 reg int ac;
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76
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77 weight = wh->o_weight; /* get base weight */
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78 switch(wh->o_type) {
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79 case ARMOR:
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80 /*
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81 * subtract 10% for each enchantment
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82 * this will add weight for negative items
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83 */
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84 ac = armors[wh->o_which].a_class - wh->o_ac;
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85 weight = ((weight*10) - (weight*ac)) / 10;
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86 if (weight < 0) weight = 0;
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87 when WEAPON:
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88 if ((wh->o_hplus + wh->o_dplus) > 0)
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89 weight /= 2;
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90 }
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91 if(wh->o_flags & ISCURSED)
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92 weight += weight / 5; /* 20% more for cursed */
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93 weight *= wh->o_count;
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94 return(weight);
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95 }
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96
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97
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98 /*
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99 * playenc:
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100 * Get hero's carrying ability above norm
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101 */
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102 playenc()
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103 {
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104 return ((str_compute()-8)*50);
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105 }
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106