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annotate arogue7/encumb.c @ 255:69ffcb6b90da

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Merge the bugfix branch, which had missed an update.
author John "Elwin" Edwards
date Fri, 10 Feb 2017 09:06:50 -0500
parents e1cd27c5464f
children
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1 /*
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2 * encumb.c - 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, 1986 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 "Rogue: Exploring the Dungeons of Doom"
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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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 /*
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16 * Stuff to do with encumberence
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17 *
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18 */
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19
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20 #include "curses.h"
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21 #include "rogue.h"
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22
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23 int packweight(struct thing *tp);
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24
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25 /*
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26 * updpack:
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27 * Update his pack weight and adjust fooduse accordingly
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28 */
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29 void
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30 updpack(int getmax, struct thing *tp)
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31 {
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32
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33 reg int topcarry, curcarry;
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34
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35 if (getmax)
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36 tp->t_stats.s_carry = totalenc(tp); /* get total encumb */
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37 curcarry = packweight(tp); /* get pack weight */
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38
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39 /* Only update food use for the player (for now) */
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40 if (tp == &player) {
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41 topcarry = tp->t_stats.s_carry / 5; /* 20% of total carry */
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42 if(curcarry > 4 * topcarry) {
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43 if(rnd(100) < 80)
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44 foodlev = 3; /* > 80% of pack */
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45 } else if(curcarry > 3 * topcarry) {
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46 if(rnd(100) < 60)
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47 foodlev = 2; /* > 60% of pack */
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48 } else
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49 foodlev = 1; /* <= 60% of pack */
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50 }
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51 tp->t_stats.s_pack = curcarry; /* update pack weight */
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52 }
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53
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54
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55 /*
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56 * packweight:
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57 * Get the total weight of the hero's pack
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58 */
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59 int
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60 packweight(struct thing *tp)
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61 {
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62 reg struct object *obj;
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63 reg struct linked_list *pc;
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64 reg int weight;
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65
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66 weight = 0;
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67 for (pc = tp->t_pack ; pc != NULL ; pc = next(pc)) {
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68 obj = OBJPTR(pc);
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69 weight += itemweight(obj);
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70 }
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71 if (weight < 0) /* in case of amulet */
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72 weight = 0;
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73
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74 /* If this is the player, is he wearing a ring of carrying? */
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75 if (tp == &player && ISWEARING(R_CARRY)) {
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76 register int temp, i;
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77
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78 temp = 0;
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79 for (i=0; i<NUM_FINGERS; i++) {
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80 if (cur_ring[i]->o_which == R_CARRY) {
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81 if (cur_ring[i]->o_flags & ISCURSED) temp--;
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82 else temp++;
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83 }
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84 }
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85 weight -= (temp * weight) / 4;
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86 }
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87
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88 return(weight);
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89 }
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90
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91
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