Mercurial > hg > early-roguelike
annotate arogue5/trader.c @ 315:ad2570b5b21f
Advanced Rogue 5, 7: fix some trading post messages.
When attempting to buy an unaffordable object, messages were often of
the form "You can't afford that a scroll of hold monster !", because
the object description (stored in curpurch) was the same text used in
inventory displays.
This has been worked around by inspecting the contents of curpurch and
using different message templates.
author | John "Elwin" Edwards |
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date | Sun, 24 Oct 2021 20:26:21 -0400 |
parents | 56e748983fa8 |
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rev | line source |
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63
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1 /* |
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2 * Anything to do with trading posts |
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3 * |
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4 * Advanced Rogue |
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5 * Copyright (C) 1984, 1985 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 "Super-Rogue" |
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9 * Copyright (C) 1984 Robert D. Kindelberger |
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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 #include <ctype.h> |
67 | 18 #include <string.h> |
63
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19 |
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20 bool open_market(void); |
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21 void trans_line(void); |
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22 char *typ_name(struct object *obj); |
63
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23 |
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24 |
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25 /* |
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26 * buy_it: |
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27 * Buy the item on which the hero stands |
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28 */ |
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29 void |
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30 buy_it(void) |
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31 { |
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32 reg int wh; |
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33 struct linked_list *item; |
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34 |
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35 if (purse <= 0) { |
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36 msg("You have no money."); |
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37 return; |
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38 } |
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39 if (curprice < 0) { /* if not yet priced */ |
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40 wh = price_it(); |
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41 if (!wh) /* nothing to price */ |
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42 return; |
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43 msg("Do you want to buy it? "); |
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44 do { |
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45 wh = tolower(readchar()); |
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46 if (wh == ESCAPE || wh == 'n') { |
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47 msg(""); |
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48 return; |
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49 } |
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50 } until(wh == 'y'); |
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51 } |
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52 mpos = 0; |
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53 if (curprice > purse) { |
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54 if (!strncmp(curpurch, "a ", 2)) |
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55 msg("You can't afford to buy that %s!", curpurch + 2); |
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56 else if (!strncmp(curpurch, "an ", 3)) |
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57 msg("You can't afford to buy that %s!", curpurch + 3); |
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58 else if (!strncmp(curpurch, "some ", 5)) |
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59 msg("You can't afford to buy that %s!", curpurch + 5); |
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60 else if (isdigit(curpurch[0])) |
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61 msg("You can't afford to buy those %s!", curpurch); |
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62 else |
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63 msg("You can't afford to buy that %s!", curpurch); |
63
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64 return; |
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65 } |
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66 /* |
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67 * See if the hero has done all his transacting |
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68 */ |
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69 if (!open_market()) |
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70 return; |
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71 /* |
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72 * The hero bought the item here |
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73 */ |
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74 item = find_obj(hero.y, hero.x); |
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75 mpos = 0; |
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76 if (add_pack(NULL,TRUE,&item)) { /* try to put it in his pack */ |
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77 purse -= curprice; /* take his money */ |
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78 ++trader; /* another transaction */ |
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79 trans_line(); /* show remaining deals */ |
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80 curprice = -1; /* reset stuff */ |
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81 curpurch[0] = 0; |
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82 whatis (item); /* identify it after purchase */ |
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83 (OBJPTR(item))->o_flags &= ~ISPOST; /* turn off ISPOST */ |
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84 msg("%s", inv_name(OBJPTR(item), TRUE)); |
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85 } |
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86 } |
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87 |
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88 /* |
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89 * do_post: |
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90 * Put a trading post room and stuff on the screen |
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91 */ |
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92 void |
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93 do_post(void) |
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94 { |
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95 coord tp; |
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96 reg int i; |
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97 reg struct room *rp; |
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98 reg struct object *op; |
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99 reg struct linked_list *ll; |
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100 |
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101 o_free_list(lvl_obj); /* throw old items away */ |
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102 |
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103 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) |
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104 rp->r_flags = ISGONE; /* kill all rooms */ |
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105 |
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106 rp = &rooms[0]; /* point to only room */ |
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107 rp->r_flags = 0; /* this room NOT gone */ |
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108 rp->r_max.x = 40; |
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109 rp->r_max.y = 10; /* 10 * 40 room */ |
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110 rp->r_pos.x = (COLS - rp->r_max.x) / 2; /* center horizontal */ |
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111 rp->r_pos.y = 1; /* 2nd line */ |
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112 draw_room(rp); /* draw the only room */ |
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113 i = roll(4,10); /* 10 to 40 items */ |
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114 for (; i > 0 ; i--) { /* place all the items */ |
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115 ll = new_thing(ALL); /* get something */ |
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116 attach(lvl_obj, ll); |
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117 op = OBJPTR(ll); |
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118 op->o_flags |= ISPOST; /* object in trading post */ |
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119 do { |
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120 rnd_pos(rp,&tp); |
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121 } until (mvinch(tp.y, tp.x) == FLOOR); |
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122 op->o_pos = tp; |
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123 mvaddch(tp.y,tp.x,op->o_type); |
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124 } |
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125 trader = 0; |
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126 wmove(cw,12,0); |
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127 waddstr(cw,"Welcome to Friendly Fiend's Flea Market\n\r"); |
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128 waddstr(cw,"=======================================\n\r"); |
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129 waddstr(cw,"$: Prices object that you stand upon.\n\r"); |
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130 waddstr(cw,"#: Buys the object that you stand upon.\n\r"); |
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131 waddstr(cw,"%: Trades in something in your pack for gold.\n\r"); |
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132 trans_line(); |
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133 } |
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134 |
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135 |
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136 /* |
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137 * get_worth: |
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138 * Calculate an objects worth in gold |
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139 */ |
218
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140 int |
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141 get_worth(struct object *obj) |
63
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142 { |
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143 reg int worth, wh; |
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144 |
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145 worth = 0; |
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146 wh = obj->o_which; |
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147 switch (obj->o_type) { |
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148 case FOOD: |
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149 worth = 2; |
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150 when WEAPON: |
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151 if (wh < MAXWEAPONS) { |
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152 worth = weaps[wh].w_worth; |
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153 worth += s_magic[S_ALLENCH].mi_worth * |
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154 (obj->o_hplus + obj->o_dplus); |
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155 } |
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156 when ARMOR: |
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157 if (wh < MAXARMORS) { |
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158 worth = armors[wh].a_worth; |
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159 worth += s_magic[S_ALLENCH].mi_worth * |
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Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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160 (armors[wh].a_class - obj->o_ac); |
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161 } |
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162 when SCROLL: |
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163 if (wh < MAXSCROLLS) |
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164 worth = s_magic[wh].mi_worth; |
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165 when POTION: |
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166 if (wh < MAXPOTIONS) |
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167 worth = p_magic[wh].mi_worth; |
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168 when RING: |
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169 if (wh < MAXRINGS) { |
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170 worth = r_magic[wh].mi_worth; |
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171 worth += obj->o_ac * 40; |
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172 } |
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173 when STICK: |
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174 if (wh < MAXSTICKS) { |
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175 worth = ws_magic[wh].mi_worth; |
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176 worth += 20 * obj->o_charges; |
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177 } |
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178 when MM: |
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179 if (wh < MAXMM) { |
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180 worth = m_magic[wh].mi_worth; |
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181 switch (wh) { |
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182 case MM_BRACERS: worth += 40 * obj->o_ac; |
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183 when MM_PROTECT: worth += 60 * obj->o_ac; |
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184 when MM_DISP: /* ac already figured in price*/ |
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185 otherwise: worth += 20 * obj->o_ac; |
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186 } |
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187 } |
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188 when RELIC: |
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189 if (wh < MAXRELIC) { |
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190 worth = rel_magic[wh].mi_worth; |
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191 if (wh == quest_item) worth *= 10; |
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192 } |
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193 otherwise: |
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194 worth = 0; |
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195 } |
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196 if (obj->o_flags & ISPROT) /* 300% more for protected */ |
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197 worth *= 3; |
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198 if (obj->o_flags & ISBLESSED) /* 50% more for blessed */ |
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199 worth = worth * 3 / 2; |
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200 if (obj->o_flags & ISCURSED) /* half for cursed */ |
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201 worth /= 2; |
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202 if (worth < 0) |
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203 worth = 0; |
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204 return worth; |
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205 } |
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206 |
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207 /* |
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208 * open_market: |
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209 * Retruns TRUE when ok do to transacting |
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210 */ |
218
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211 bool |
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212 open_market(void) |
63
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213 { |
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214 if (trader >= MAXPURCH && !wizard) { |
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215 msg("The market is closed. The stairs are that-a-way."); |
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216 return FALSE; |
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217 } |
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218 else { |
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219 return TRUE; |
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220 } |
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221 } |
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222 |
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223 /* |
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224 * price_it: |
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225 * Price the object that the hero stands on |
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226 */ |
218
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227 bool |
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228 price_it(void) |
63
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229 { |
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230 reg struct linked_list *item; |
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231 reg struct object *obj; |
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232 reg int worth; |
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233 reg char *str; |
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|
234 |
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235 if (!open_market()) /* after buying hours */ |
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236 return FALSE; |
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237 if ((item = find_obj(hero.y,hero.x)) == NULL) |
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238 return FALSE; |
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239 obj = OBJPTR(item); |
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240 worth = get_worth(obj); |
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241 if (worth < 0) { |
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242 msg("That's not for sale."); |
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243 return FALSE; |
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|
244 } |
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245 if (worth < 25) |
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246 worth = 25; |
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247 worth *= 3; /* slightly expensive */ |
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248 str = inv_name(obj, TRUE); |
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249 sprintf(outstring,"%s for only %d pieces of gold", str, worth); |
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250 msg(outstring); |
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251 curprice = worth; /* save price */ |
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252 strcpy(curpurch,str); /* save item */ |
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253 return TRUE; |
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254 } |
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255 |
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256 |
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257 |
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258 /* |
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259 * sell_it: |
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260 * Sell an item to the trading post |
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261 */ |
218
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262 void |
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263 sell_it(void) |
63
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264 { |
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265 reg struct linked_list *item; |
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266 reg struct object *obj; |
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267 reg int wo, ch; |
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268 |
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269 if (!open_market()) /* after selling hours */ |
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270 return; |
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|
271 |
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272 if ((item = get_item(pack, "sell", ALL)) == NULL) |
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273 return; |
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274 obj = OBJPTR(item); |
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275 wo = get_worth(obj); |
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276 if (wo <= 0) { |
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277 mpos = 0; |
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278 msg("We don't buy those."); |
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279 return; |
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280 } |
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281 if (wo < 25) |
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282 wo = 25; |
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283 sprintf(outstring,"Your %s is worth %d pieces of gold.",typ_name(obj),wo); |
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284 msg(outstring); |
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285 msg("Do you want to sell it? "); |
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286 do { |
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287 ch = tolower(readchar()); |
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288 if (ch == ESCAPE || ch == 'n') { |
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289 msg(""); |
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290 return; |
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291 } |
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292 } until (ch == 'y'); |
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293 mpos = 0; |
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294 if (drop(item) == TRUE) { /* drop this item */ |
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295 purse += wo; /* give him his money */ |
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296 ++trader; /* another transaction */ |
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297 wo = obj->o_count; |
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298 if (obj->o_group == 0) /* dropped one at a time */ |
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299 obj->o_count = 1; |
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300 msg("Sold %s",inv_name(obj,TRUE)); |
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301 obj->o_count = wo; |
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302 trans_line(); /* show remaining deals */ |
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303 } |
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304 } |
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305 |
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306 /* |
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307 * trans_line: |
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308 * Show how many transactions the hero has left |
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309 */ |
218
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310 void |
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311 trans_line(void) |
63
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312 { |
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313 if (!wizard) |
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314 sprintf(prbuf,"You have %d transactions remaining.", |
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315 MAXPURCH - trader); |
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316 else |
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317 sprintf(prbuf, |
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318 "You have infinite transactions remaining oh great wizard"); |
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319 mvwaddstr(cw,LINES - 3,0,prbuf); |
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320 } |
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321 |
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322 |
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323 |
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324 /* |
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325 * typ_name: |
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326 * Return the name for this type of object |
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327 */ |
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328 char * |
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329 typ_name(struct object *obj) |
63
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330 { |
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331 static char buff[20]; |
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332 reg int wh; |
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333 |
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334 switch (obj->o_type) { |
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335 case POTION: wh = TYP_POTION; |
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336 when SCROLL: wh = TYP_SCROLL; |
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337 when STICK: wh = TYP_STICK; |
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338 when RING: wh = TYP_RING; |
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339 when ARMOR: wh = TYP_ARMOR; |
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340 when WEAPON: wh = TYP_WEAPON; |
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341 when MM: wh = TYP_MM; |
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342 when FOOD: wh = TYP_FOOD; |
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343 when RELIC: wh = TYP_RELIC; |
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344 otherwise: wh = -1; |
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345 } |
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346 if (wh < 0) |
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347 strcpy(buff,"unknown"); |
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348 else |
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349 strcpy(buff,things[wh].mi_name); |
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350 return (buff); |
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351 } |
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352 |
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353 |