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annotate srogue/encumb.c @ 95:88ab59f06dfc

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author John "Elwin" Edwards
date Tue, 27 Aug 2013 22:25:40 -0700
parents 2128c7dc8a40
children 94a0d9dd5ce1
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36
2128c7dc8a40 Import Super-Rogue 9.0 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 * @(#)encumb.c 9.0 (rdk) 7/17/84
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5 *
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6 * Super-Rogue
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7 * Copyright (C) 1984 Robert D. Kindelberger
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8 * All rights reserved.
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9 *
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10 * See the file LICENSE.TXT for full copyright and licensing information.
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11 */
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12
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13 #include "rogue.h"
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14 #include "rogue.ext"
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15
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16 /*
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17 * updpack:
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18 * Update his pack weight and adjust fooduse accordingly
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19 */
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20 updpack()
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21 {
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22 reg int topcarry, curcarry;
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23
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24 him->s_carry = totalenc(); /* get total encumb */
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25 curcarry = packweight(); /* get pack weight */
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26 topcarry = him->s_carry / 5; /* 20% of total carry */
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27 if (curcarry > 4 * topcarry) {
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28 if (rnd(100) < 80)
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29 foodlev = 3; /* > 80% of pack */
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30 }
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31 else if (curcarry > 3 * topcarry) {
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32 if (rnd(100) < 60)
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33 foodlev = 2; /* > 60% of pack */
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34 }
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35 else
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36 foodlev = 1; /* <= 60% of pack */
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37 him->s_pack = curcarry; /* update pack weight */
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38 packvol = pack_vol(); /* update pack volume */
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39 nochange = FALSE; /* also change display */
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40 }
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41
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42
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43 /*
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44 * packweight:
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45 * Get the total weight of the hero's pack
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46 */
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47 packweight()
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48 {
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49 reg struct object *obj;
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50 reg struct linked_list *pc;
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51 reg int weight, i;
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52
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53 weight = 0;
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54 for (pc = pack ; pc != NULL ; pc = next(pc)) {
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55 obj = OBJPTR(pc);
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56 weight += itemweight(obj) * obj->o_count;
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57 }
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58 if (weight < 0) /* in case of amulet */
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59 weight = 0;
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60 for (i = LEFT; i <= RIGHT; i += 1) {
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61 obj = cur_ring[i];
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62 if (obj != NULL) {
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63 if (obj->o_type == R_HEAVY && o_off(obj, ISBLESS))
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64 weight += weight / 4;
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65 }
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66 }
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67 return weight;
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68 }
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69
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70
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71 /*
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72 * itemweight:
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73 * Get the weight of an object
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74 */
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75 itemweight(wh)
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76 struct object *wh;
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77 {
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78 reg int weight;
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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 if ((armors[wh->o_which].a_class - wh->o_ac) > 0)
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84 weight /= 2;
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85 when WEAPON:
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86 if ((wh->o_hplus + wh->o_dplus) > 0)
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87 weight /= 2;
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88 }
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89 if (o_on(wh,ISCURSED))
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90 weight += weight / 5; /* 20% more for cursed */
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91 if (o_on(wh, ISBLESS))
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92 weight -= weight / 5; /* 20% less for blessed */
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93 return weight;
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94 }
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95
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96 /*
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97 * pack_vol:
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98 * Get the total volume of the hero's pack
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99 */
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100 pack_vol()
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101 {
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102 reg struct object *obj;
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103 reg struct linked_list *pc;
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104 reg int volume;
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105
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106 volume = 0;
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