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annotate arogue7/encumb.c @ 233:0990adf580ee

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Declare some function arguments as const. Some functions, mostly in fight.c, declared variables as pointers to const char but passed them to functions that took pointers to ordinary char. The strings did not actually get modified, so adding 'const' to the function definitions removed the warnings.
author John "Elwin" Edwards
date Sun, 06 Mar 2016 19:32:47 -0500
parents f9ef86cf22b2
children e1cd27c5464f
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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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