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annotate srogue/trader.c @ 173:78fa1d0e5d25

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srogue: open the score and log files when the program starts. Super-Rogue can now use the same privilege-dropping scheme as the other games.
author John "Elwin" Edwards
date Sat, 01 Aug 2015 15:12:11 -0400
parents 2128c7dc8a40
children 94a0d9dd5ce1
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36
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1 /*
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2 * Anything to do with trading posts & mazes
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3 *
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4 * @(#)trader.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 <stdlib.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 #define NOTPRICED -1
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18
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19 /*
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20 * do_post:
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21 * Put a trading post room and stuff on the screen
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22 */
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23 do_post()
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24 {
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25 struct coord tp;
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26 reg int i;
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27 reg struct room *rp;
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28 reg struct object *op;
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29 reg struct linked_list *ll;
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30
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31 free_list(lvl_obj); /* throw old items away */
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32
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33 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) {
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34 rp->r_goldval = 0; /* no gold */
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35 rp->r_nexits = 0; /* no exits */
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36 rp->r_flags = ISGONE; /* kill all rooms */
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37 }
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38 rp = &rooms[0]; /* point to only room */
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39 rp->r_flags = 0; /* this room NOT gone */
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40 rp->r_max.x = 40;
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41 rp->r_max.y = 10; /* 10 * 40 room */
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42 rp->r_pos.x = (COLS - rp->r_max.x) / 2; /* center horizontal */
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43 rp->r_pos.y = 1; /* 2nd line */
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44 draw_room(rp); /* draw the only room */
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45 i = roll(4,10); /* 10 to 40 items */
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46 for (; i > 0 ; i--) { /* place all the items */
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47 ll = new_thing(FALSE, ANYTHING); /* get something */
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48 attach(lvl_obj, ll);
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49 op = OBJPTR(ll);
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50 setoflg(op, ISPOST); /* object in trading post */
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51 tp = *rnd_pos(rp);
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52 op->o_pos = tp;
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53 mvaddch(tp.y,tp.x,op->o_type);
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54 }
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55 trader = 0;
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56 wmove(cw,12,0);
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57 waddstr(cw,"Welcome to Friendly Fiend's Flea Market\n\r");
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58 waddstr(cw,"=======================================\n\r");
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59 waddstr(cw,"$: Prices object that you stand upon.\n\r");
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60 waddstr(cw,"#: Buys the object that you stand upon.\n\r");
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61 waddstr(cw,"%: Trades in something in your pack for gold.\n\r");
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62 trans_line();
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63 }
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64
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65 /*
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66 * price_it:
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67 * Price the object that the hero stands on
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68 */
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69 price_it()
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70 {
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71 static char *bargain[] = {
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72 "great bargain",
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73 "quality product",
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74 "exceptional find",
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75 };
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76 reg struct linked_list *item;
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77 reg struct object *obj;
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78 reg int worth;
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79
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80 if (!open_market()) /* after buying hours */
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81 return FALSE;
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82 if ((item = find_obj(hero.y,hero.x)) == NULL)
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83 return FALSE;
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84 obj = OBJPTR(item);
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85 if (curprice == NOTPRICED) {
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86 worth = get_worth(obj);
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87 worth += 50 - rnd(100);
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88 if (worth < 25)
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89 worth = 25;
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90 worth *= 3; /* slightly expensive */
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91 curprice = worth; /* save price */
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92 strcpy(curpurch, obj->o_typname); /* save item */
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93 }
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94 msg("That %s is a %s for only %d pieces of gold", curpurch,
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95 bargain[rnd(3)], curprice);
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96 return TRUE;
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97 }
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98
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99 /*
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100 * buy_it:
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101 * Buy the item on which the hero stands
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102 */
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103 buy_it()
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104 {
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105 reg int wh;
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106