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annotate srogue/encumb.c @ 275:aa0eefcd7df6

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UltraRogue: build and install documentation in the Makefile.
author John "Elwin" Edwards
date Sat, 09 Sep 2017 07:25:23 -0400
parents 94a0d9dd5ce1
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 * @(#)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 <string.h>
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14 #include "rogue.h"
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15 #include "rogue.ext"
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16
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17 int packweight(void);
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18 int pack_vol(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(void)
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26 {
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27 reg int topcarry, curcarry;
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28
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29 him->s_carry = totalenc(); /* get total encumb */
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30 curcarry = packweight(); /* get pack weight */
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31 topcarry = him->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 }
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36 else if (curcarry > 3 * topcarry) {
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37 if (rnd(100) < 60)
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38 foodlev = 2; /* > 60% of pack */
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39 }
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40 else
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41 foodlev = 1; /* <= 60% of pack */
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42 him->s_pack = curcarry; /* update pack weight */
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43 packvol = pack_vol(); /* update pack volume */
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44 nochange = FALSE; /* also change display */
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45 }
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46
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47
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48 /*
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49 * packweight:
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50 * Get the total weight of the hero's pack
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51 */
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52 int
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53 packweight(void)
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54 {
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55 reg struct object *obj;
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56 reg struct linked_list *pc;
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57 reg int weight, i;
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58
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59 weight = 0;
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60 for (pc = pack ; pc != NULL ; pc = next(pc)) {
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61 obj = OBJPTR(pc);
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62 weight += itemweight(obj) * obj->o_count;
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63 }
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64 if (weight < 0) /* in case of amulet */
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65 weight = 0;
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66 for (i = LEFT; i <= RIGHT; i += 1) {
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67 obj = cur_ring[i];
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68 if (obj != NULL) {
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69 if (obj->o_type == R_HEAVY && o_off(obj, ISBLESS))
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70 weight += weight / 4;
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71 }
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72 }
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73 return weight;
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74 }
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75
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76
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77 /*
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78 * itemweight:
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79 * Get the weight of an object
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80 */
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81 int
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82 itemweight(struct object *wh)
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83 {
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84 reg int weight;
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85
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86 weight = wh->o_weight; /* get base weight */
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87 switch (wh->o_type) {
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88 case ARMOR:
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89 if ((armors[wh->o_which].a_class - wh->o_ac) > 0)
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90 weight /= 2;
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91 when WEAPON:
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92 if ((wh->o_hplus + wh->o_dplus) > 0)
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93 weight /= 2;
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94 }
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95 if (o_on(wh,ISCURSED))
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96 weight += weight / 5; /* 20% more for cursed */
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97 if (o_on(wh, ISBLESS))
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98 weight -= weight / 5; /* 20% less for blessed */
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99 return weight;
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100 }
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101
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102 /*
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103 * pack_vol: