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annotate urogue/encumb.c @ 256:c495a4f288c6

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Import UltraRogue from the Roguelike Restoration Project (r1490)
author John "Elwin" Edwards
date Tue, 31 Jan 2017 19:56:04 -0500
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c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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1 /*
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2 encumb.c - Stuff to do with encumberance
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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) 1985, 1986, 1992, 1993, 1995 Herb Chong
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6 All rights reserved.
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7
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka
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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 "rogue.h"
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16
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17 /*
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18 updpack()
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19 Update his pack weight and adjust fooduse accordingly
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20 */
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21
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22 void
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23 updpack(void)
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24 {
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25 int curcarry = packweight();
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26
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27 pstats.s_carry = totalenc(); /* update max encumb */
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28
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29 if (is_carrying(TR_PURSE))
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30 pstats.s_carry += 1000;
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31
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32 foodlev = 0;
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33
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34 switch ((curcarry * 5) / pstats.s_carry) /* % of total capacity */
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35 {
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36 case 5: /* 100 % */
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37 foodlev++;
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38
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39 case 4: /* 80 % */
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40 if (rnd(100) < 80)
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41 foodlev++;
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42
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43 case 3: /* 60 % */
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44 if (rnd(100) < 60)
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45 foodlev++;
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46
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47 case 2: /* 40 % */
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48 if (rnd(100) < 40)
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49 foodlev++;
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50
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51 case 1: /* 20 % */
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52 if (rnd(100) < 20)
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53 foodlev++;
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54
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55 case 0: /* 0 % */
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56 foodlev++;
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57 }
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58
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59 pstats.s_pack = curcarry; /* update pack weight */
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60
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61 if (is_carrying(TR_PURSE)) /* makes pack lighter */
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62 foodlev--;
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63 }
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64
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65
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66 /*
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67 packweight()
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68 Get the total weight of the hero's pack
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69 */
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70
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71 int
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72 packweight(void)
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73 {
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74 struct linked_list *pc;
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75 int weight = 0;
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76
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77 for (pc = pack; pc != NULL; pc = next(pc))
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78 {
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79 struct object *obj = OBJPTR(pc);
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80
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81 weight += itemweight(obj) * obj->o_count;
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82 }
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83
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84 if (weight < 0) /* caused by artifacts or blessed items */
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85 weight = 0;
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86
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87 return (weight);
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88 }
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89
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90
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91 /*
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92 itemweight()
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