Mercurial > hg > early-roguelike
annotate xrogue/encumb.c @ 209:4438569c1b02
Merge the MSVC branch.
author | John "Elwin" Edwards |
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date | Fri, 27 Nov 2015 08:59:24 -0500 |
parents | e6179860cb76 |
children | f54901b9c39b |
rev | line source |
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133
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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 XRogue: Expeditions into the Dungeons of Doom |
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5 Copyright (C) 1991 Robert Pietkivitch |
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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 and AT&T |
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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 |
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18 /* |
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19 * updpack: |
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20 * Update his pack weight and adjust fooduse accordingly |
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21 */ |
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22 |
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23 updpack(getmax, tp) |
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24 int getmax; |
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25 struct thing *tp; |
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26 { |
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27 |
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28 reg int topcarry, curcarry; |
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29 |
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30 if (getmax) |
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31 tp->t_stats.s_carry = totalenc(tp); /* get total encumb */ |
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32 curcarry = packweight(tp); /* get pack weight */ |
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33 |
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34 /* Only update food use for the player (for now) */ |
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35 if (tp == &player) { |
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36 topcarry = tp->t_stats.s_carry / 5; /* 20% of total carry */ |
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37 if(curcarry > 4 * topcarry) { |
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38 if(rnd(100) < 80) |
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39 foodlev = 3; /* > 80% of pack */ |
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40 } else if(curcarry > 3 * topcarry) { |
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41 if(rnd(100) < 60) |
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42 foodlev = 2; /* > 60% of pack */ |
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43 } else |
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44 foodlev = 1; /* <= 60% of pack */ |
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45 } |
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46 tp->t_stats.s_pack = curcarry; /* update pack weight */ |
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47 } |
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48 |
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49 |
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50 /* |
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51 * packweight: |
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52 * Get the total weight of the hero's pack |
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53 */ |
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54 |
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55 packweight(tp) |
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56 register struct thing *tp; |
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57 { |
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58 reg struct object *obj; |
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59 reg struct linked_list *pc; |
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60 reg int weight; |
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61 |
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62 weight = 0; |
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63 for (pc = tp->t_pack ; pc != NULL ; pc = next(pc)) { |
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64 obj = OBJPTR(pc); |
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65 weight += itemweight(obj); |
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66 } |
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67 if (weight < 0) /* in case of amulet */ |
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68 weight = 0; |
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69 |
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70 /* If this is the player, is he wearing a ring of carrying? */ |
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71 if (tp == &player && ISWEARING(R_CARRY)) { |
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72 register int temp, i; |
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73 |
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74 temp = 0; |
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75 for (i=0; i<NUM_FINGERS; i++) { |
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76 if (cur_ring[i] != NULL && cur_ring[i]->o_which == R_CARRY) { |
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77 if (cur_ring[i]->o_flags & ISCURSED) temp--; |
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78 else temp += 2; |
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79 } |
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80 } |
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81 weight -= (temp * weight) / 4; |
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82 } |
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83 |
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84 return(weight); |
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85 } |
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86 |
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87 /* |
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88 * itemweight: |
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89 * Get the weight of an object |
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90 */ |
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91 |
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92 itemweight(wh) |
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93 reg struct object *wh; |
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94 { |
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95 reg int weight; |
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96 reg int ac; |
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97 |
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98 weight = wh->o_weight; /* get base weight */ |
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99 switch(wh->o_type) { |
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100 case ARMOR: |
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101 /* |
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102 * subtract 10% for each enchantment |
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103 * this will add weight for negative items |
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104 */ |
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105 ac = armors[wh->o_which].a_class - wh->o_ac; |
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106 weight = ((weight*10) - (weight*ac)) / 10; |
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107 if (weight < 0) weight = 0; |
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108 when WEAPON: |
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109 if ((wh->o_hplus + wh->o_dplus) > 0) |
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110 weight /= 2; |
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111 } |
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112 if(wh->o_flags & ISCURSED) |
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113 weight += weight / 5; /* 20% more for cursed */ |
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114 weight *= wh->o_count; |
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115 return(weight); |
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116 } |
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117 |
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118 /* |
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119 * playenc: |
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120 * Get hero's carrying ability above norm |
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121 */ |
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122 |
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123 playenc(tp) |
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124 register struct thing *tp; |
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125 { |
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126 register int strength; |
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127 |
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128 if (tp == &player) strength = str_compute(); |
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129 else strength = tp->t_stats.s_str; |
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130 |
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131 return ((strength-8)*50); |
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132 } |
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133 |
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134 /* |
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135 * totalenc: |
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136 * Get total weight that the hero can carry |
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137 */ |
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138 |
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139 totalenc(tp) |
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140 register struct thing *tp; |
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141 { |
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142 reg int wtotal; |
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143 |
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144 wtotal = NORMENCB + playenc(tp); |
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145 if (tp == &player) switch(hungry_state) { |
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146 case F_SATIATED: |
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147 case F_OKAY: |
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148 case F_HUNGRY: ; /* no change */ |
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149 when F_WEAK: wtotal -= wtotal / 10; /* 10% off weak */ |
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150 when F_FAINT: wtotal /= 2; /* 50% off faint */ |
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151 } |
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152 return(wtotal); |
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153 } |
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154 |
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155 /* |
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156 * whgtchk: |
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157 * See if the hero can carry his pack |
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158 */ |
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159 |
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160 wghtchk() |
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161 { |
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162 reg int dropchk, err = TRUE; |
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163 reg char ch; |
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164 int wghtchk(); |
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165 |
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166 inwhgt = TRUE; |
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167 if (pstats.s_pack > pstats.s_carry) { |
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168 ch = mvwinch(stdscr, hero.y, hero.x); |
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169 if((ch != FLOOR && ch != PASSAGE)) { |
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170 extinguish(wghtchk); |
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171 fuse(wghtchk, (VOID *)NULL, 1, AFTER); |
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172 inwhgt = FALSE; |
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173 return; |
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174 } |
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175 extinguish(wghtchk); |
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176 msg("Your pack is far too heavy for you.. "); |
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177 do { |
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178 dropchk = drop((struct linked_list *)NULL); |
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179 if(dropchk == 0) { |
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180 mpos = 0; |
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181 msg("You must drop something"); |
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182 } |
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183 if(dropchk == TRUE) |
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184 err = FALSE; |
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185 } while(err); |
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186 } |
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187 inwhgt = FALSE; |
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188 } |
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189 |
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190 /* |
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191 * hitweight: |
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192 * Gets the fighting ability according to current weight |
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193 * This returns a +1 hit for light pack weight |
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194 * 0 hit for medium pack weight |
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195 * -1 hit for heavy pack weight |
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196 */ |
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197 |
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198 hitweight() |
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199 { |
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200 return(2 - foodlev); |
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201 } |
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202 |