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annotate xrogue/encumb.c @ 168:82b2a046d151

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arogue7: fix inventory display bug again. Removing the call to msg() in restore() resulted in msgw remaining as it was when the game was saved. This results in another display glitch like that fixed by r163. Adding an empty message puts msgw into a reliable state.
author John "Elwin" Edwards
date Tue, 30 Jun 2015 12:00:02 -0400
parents e6179860cb76
children f54901b9c39b
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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 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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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
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23 updpack(getmax, tp)
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24 int getmax;
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25 struct thing *tp;
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26 {
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27
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28 reg int topcarry, curcarry;
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29
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30 if (getmax)
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31 tp->t_stats.s_carry = totalenc(tp); /* get total encumb */
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32 curcarry = packweight(tp); /* get pack weight */
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33
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34 /* Only update food use for the player (for now) */
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35 if (tp == &player) {
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36 topcarry = tp->t_stats.s_carry / 5; /* 20% of total carry */
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37 if(curcarry > 4 * topcarry) {
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38 if(rnd(100) < 80)
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39 foodlev = 3; /* > 80% of pack */
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40 } else if(curcarry > 3 * topcarry) {
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41 if(rnd(100) < 60)
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42 foodlev = 2; /* > 60% of pack */
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43 } else
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44 foodlev = 1; /* <= 60% of pack */
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45 }
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46 tp->t_stats.s_pack = curcarry; /* update pack weight */
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47 }
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48
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49
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50 /*
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51 * packweight:
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52 * Get the total weight of the hero's pack
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53 */
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54
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55 packweight(tp)
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56 register struct thing *tp;
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57 {
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58 reg struct object *obj;
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59 reg struct linked_list *pc;
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60 reg int weight;
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61
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62 weight = 0;
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63 for (pc = tp->t_pack ; pc != NULL ; pc = next(pc)) {
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64 obj = OBJPTR(pc);
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65 weight += itemweight(obj);
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66 }
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67 if (weight < 0) /* in case of amulet */
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68 weight = 0;
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69
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70 /* If this is the player, is he wearing a ring of carrying? */
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71 if (tp == &player && ISWEARING(R_CARRY)) {
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72 register int temp, i;
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73
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74 temp = 0;
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75 for (i=0; i<NUM_FINGERS; i++) {
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76 if (cur_ring[i] != NULL && cur_ring[i]->o_which == R_CARRY) {
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77 if (cur_ring[i]->o_flags & ISCURSED) temp--;
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78 else temp += 2;
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79 }
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80 }
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81 weight -= (temp * weight) / 4;
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82 }
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83
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84 return(weight);
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85 }
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86
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87 /*
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88 * itemweight:
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89 * Get the weight of an object
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90 */
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91
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92 itemweight(wh)
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