Mercurial > hg > early-roguelike
annotate urogue/encumb.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 | c495a4f288c6 |
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rev | line source |
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256
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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 UltraRogue: The Ultimate Adventure in the Dungeons of Doom |
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5 Copyright (C) 1985, 1986, 1992, 1993, 1995 Herb Chong |
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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 |
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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 "rogue.h" |
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16 |
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17 /* |
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18 updpack() |
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19 Update his pack weight and adjust fooduse accordingly |
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20 */ |
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21 |
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22 void |
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23 updpack(void) |
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24 { |
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25 int curcarry = packweight(); |
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26 |
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27 pstats.s_carry = totalenc(); /* update max encumb */ |
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28 |
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29 if (is_carrying(TR_PURSE)) |
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30 pstats.s_carry += 1000; |
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31 |
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32 foodlev = 0; |
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33 |
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34 switch ((curcarry * 5) / pstats.s_carry) /* % of total capacity */ |
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35 { |
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36 case 5: /* 100 % */ |
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37 foodlev++; |
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38 |
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39 case 4: /* 80 % */ |
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40 if (rnd(100) < 80) |
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41 foodlev++; |
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42 |
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43 case 3: /* 60 % */ |
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44 if (rnd(100) < 60) |
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45 foodlev++; |
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46 |
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47 case 2: /* 40 % */ |
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48 if (rnd(100) < 40) |
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49 foodlev++; |
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50 |
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51 case 1: /* 20 % */ |
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52 if (rnd(100) < 20) |
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53 foodlev++; |
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54 |
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55 case 0: /* 0 % */ |
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56 foodlev++; |
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57 } |
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58 |
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59 pstats.s_pack = curcarry; /* update pack weight */ |
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60 |
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61 if (is_carrying(TR_PURSE)) /* makes pack lighter */ |
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62 foodlev--; |
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63 } |
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64 |
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65 |
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66 /* |
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67 packweight() |
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68 Get the total weight of the hero's pack |
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69 */ |
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70 |
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71 int |
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72 packweight(void) |
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73 { |
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74 struct linked_list *pc; |
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75 int weight = 0; |
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76 |
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77 for (pc = pack; pc != NULL; pc = next(pc)) |
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78 { |
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79 struct object *obj = OBJPTR(pc); |
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80 |
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81 weight += itemweight(obj) * obj->o_count; |
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82 } |
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83 |
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84 if (weight < 0) /* caused by artifacts or blessed items */ |
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85 weight = 0; |
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86 |
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87 return (weight); |
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88 } |
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89 |
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90 |
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91 /* |
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92 itemweight() |
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93 Get the weight of an object |
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94 */ |
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95 |
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96 int |
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97 itemweight(struct object *wh) |
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98 { |
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99 int weight = wh->o_weight; /* get base weight */ |
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100 int ac; |
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101 |
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102 switch (wh->o_type) |
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103 { |
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104 case ARMOR: /* 10% for each plus or minus*/ |
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105 ac = armors[wh->o_which].a_class - wh->o_ac; |
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106 weight *= (10 - ac) / 10; |
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107 break; |
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108 |
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109 case WEAPON: |
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110 if ((wh->o_hplus + wh->o_dplus) > 0) |
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111 weight /= 2; |
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112 } |
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113 |
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114 if (wh->o_flags & ISCURSED) |
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115 weight += weight / 2; /* +50% for cursed */ |
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116 else if (wh->o_flags & ISBLESSED) |
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117 weight -= weight / 5; /* -20% for blessed */ |
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118 |
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119 if (weight < 0) |
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120 weight = 0; |
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121 |
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122 return (weight); |
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123 } |
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124 |
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125 |
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126 /* |
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127 playenc() |
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128 Get hero's carrying ability above norm 50 units per point of STR |
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129 over 10, 300 units per plus on R_CARRYING 1000 units for TR_PURSE |
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130 */ |
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131 |
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132 int |
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133 playenc(void) |
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134 { |
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135 int ret_val = (pstats.s_str - 10) * 50; |
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136 |
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137 if (is_wearing(R_CARRYING)) |
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138 ret_val += ring_value(R_CARRYING) * 300; |
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139 |
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140 return (ret_val); |
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141 } |
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142 |
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143 |
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144 /* |
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145 totalenc() |
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146 Get total weight that the hero can carry |
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147 */ |
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148 |
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149 int |
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150 totalenc(void) |
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151 { |
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152 int wtotal = 1400 + playenc(); |
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153 |
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154 switch (hungry_state) |
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155 { |
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156 case F_OK: |
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157 case F_HUNGRY: /* no change */ |
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158 break; |
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159 |
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160 case F_WEAK: |
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161 wtotal -= wtotal / 4; /* 25% off weak */ |
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162 break; |
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163 |
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164 case F_FAINT: |
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165 wtotal /= 2; /* 50% off faint */ |
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166 break; |
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167 } |
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168 |
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169 return (wtotal); |
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170 } |
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171 |
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172 |
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173 /* |
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174 hitweight() |
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175 Gets the fighting ability according to current weight This |
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176 returns a +2 hit for very light pack weight, +1 hit |
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177 for light pack weight, 0 hit for medium pack weight, -1 hit for heavy |
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178 pack weight, -2 hit for very heavy pack weight |
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179 */ |
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180 |
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181 int |
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182 hitweight(void) |
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183 { |
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184 return(3 - foodlev); |
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185 } |