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annotate urogue/encumb.c @ 269:a413bc97d3ea

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UltraRogue: fix the arrow keys. The startup sequence now calls keypad() to turn on curses recognition of special keys.
author John "Elwin" Edwards
date Tue, 28 Feb 2017 21:14:53 -0500
parents c495a4f288c6
children
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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 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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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
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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160 case F_WEAK:
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161 wtotal -= wtotal / 4; /* 25% off weak */
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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162 break;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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163
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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164 case F_FAINT:
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165 wtotal /= 2; /* 50% off faint */
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166 break;
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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167 }
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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168
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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169 return (wtotal);
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170 }
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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171
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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172
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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173 /*
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174 hitweight()
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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175 Gets the fighting ability according to current weight This
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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176 returns a +2 hit for very light pack weight, +1 hit
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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parents:
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177 for light pack weight, 0 hit for medium pack weight, -1 hit for heavy
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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178 pack weight, -2 hit for very heavy pack weight
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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179 */
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180
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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181 int
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182 hitweight(void)
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183 {
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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184 return(3 - foodlev);
c495a4f288c6 Import UltraRogue from the Roguelike Restoration Project (r1490)
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185 }