Mercurial > hg > early-roguelike
annotate rogue3/rooms.c @ 262:c7c6c5a7d840
UltraRogue: fix a segfault related to restoring monsters.
The functions for restoring saved games failed to properly correct the
t_chasee pointer of monsters chasing the player. Such monsters would
attempt to chase NULL instead, with predictable results.
author | John "Elwin" Edwards |
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date | Tue, 14 Feb 2017 20:42:33 -0500 |
parents | 527e2150eaf0 |
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rev | line source |
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0
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1 /* |
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2 * Draw the nine rooms on the screen |
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3 * |
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4 * @(#)rooms.c 3.8 (Berkeley) 6/15/81 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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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 "curses.h" |
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15 #include "rogue.h" |
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16 |
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17 void |
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18 do_rooms() |
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19 { |
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20 int i; |
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21 struct room *rp; |
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22 struct linked_list *item; |
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23 struct thing *tp; |
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24 int left_out; |
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25 coord top; |
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26 coord bsze; |
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27 coord mp; |
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28 |
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29 /* |
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30 * bsze is the maximum room size |
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31 */ |
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32 bsze.x = COLS/3; |
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33 bsze.y = LINES/3; |
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34 /* |
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35 * Clear things for a new level |
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36 */ |
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37 for (rp = rooms; rp <= &rooms[MAXROOMS-1]; rp++) |
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38 rp->r_goldval = rp->r_nexits = rp->r_flags = 0; |
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39 /* |
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40 * Put the gone rooms, if any, on the level |
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41 */ |
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42 left_out = rnd(4); |
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43 for (i = 0; i < left_out; i++) |
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44 rooms[rnd_room()].r_flags |= ISGONE; |
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45 /* |
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46 * dig and populate all the rooms on the level |
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47 */ |
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48 for (i = 0, rp = rooms; i < MAXROOMS; rp++, i++) |
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49 { |
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50 /* |
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51 * Find upper left corner of box that this room goes in |
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52 */ |
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53 top.x = (i%3)*bsze.x + 1; |
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54 top.y = i/3*bsze.y; |
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55 if (rp->r_flags & ISGONE) |
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56 { |
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57 /* |
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58 * Place a gone room. Make certain that there is a blank line |
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59 * for passage drawing. |
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60 */ |
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61 do |
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62 { |
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63 rp->r_pos.x = top.x + rnd(bsze.x-2) + 1; |
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64 rp->r_pos.y = top.y + rnd(bsze.y-2) + 1; |
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65 rp->r_max.x = -COLS; |
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66 rp->r_max.y = -LINES; |
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67 } until(rp->r_pos.y > 0 && rp->r_pos.y < LINES-1); |
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68 continue; |
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69 } |
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70 if (rnd(10) < level-1) |
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71 rp->r_flags |= ISDARK; |
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72 /* |
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73 * Find a place and size for a random room |
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74 */ |
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75 do |
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76 { |
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77 rp->r_max.x = rnd(bsze.x - 4) + 4; |
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78 rp->r_max.y = rnd(bsze.y - 4) + 4; |
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79 rp->r_pos.x = top.x + rnd(bsze.x - rp->r_max.x); |
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80 rp->r_pos.y = top.y + rnd(bsze.y - rp->r_max.y); |
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81 } until (rp->r_pos.y != 0); |
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82 /* |
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83 * Put the gold in |
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84 */ |
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85 if (rnd(100) < 50 && (!amulet || level >= max_level)) |
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86 { |
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87 rp->r_goldval = GOLDCALC; |
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88 rnd_pos(rp, &rp->r_gold); |
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89 if (roomin(&rp->r_gold) != rp) |
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90 endwin(), abort(); |
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91 } |
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92 draw_room(rp); |
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93 /* |
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94 * Put the monster in |
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95 */ |
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96 if (rnd(100) < (rp->r_goldval > 0 ? 80 : 25)) |
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97 { |
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98 item = new_item(sizeof *tp); |
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99 tp = (struct thing *) ldata(item); |
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100 do |
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101 { |
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102 rnd_pos(rp, &mp); |
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103 } until(mvwinch(stdscr, mp.y, mp.x) == FLOOR); |
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104 new_monster(item, randmonster(FALSE), &mp); |
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105 /* |
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106 * See if we want to give it a treasure to carry around. |
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107 */ |
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108 if (rnd(100) < monsters[tp->t_type-'A'].m_carry) |
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109 attach(tp->t_pack, new_thing()); |
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110 } |
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111 } |
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112 } |
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113 |
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114 /* |
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115 * Draw a box around a room |
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116 */ |
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117 |
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118 void |
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119 draw_room(struct room *rp) |
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120 { |
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121 int j, k; |
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122 |
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123 move(rp->r_pos.y, rp->r_pos.x+1); |
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124 vert(rp->r_max.y-2); /* Draw left side */ |
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125 move(rp->r_pos.y+rp->r_max.y-1, rp->r_pos.x); |
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126 horiz(rp->r_max.x); /* Draw bottom */ |
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127 move(rp->r_pos.y, rp->r_pos.x); |
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128 horiz(rp->r_max.x); /* Draw top */ |
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129 vert(rp->r_max.y-2); /* Draw right side */ |
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130 /* |
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131 * Put the floor down |
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132 */ |
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133 for (j = 1; j < rp->r_max.y-1; j++) |
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134 { |
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135 move(rp->r_pos.y + j, rp->r_pos.x+1); |
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136 for (k = 1; k < rp->r_max.x-1; k++) |
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137 addch(FLOOR); |
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138 } |
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139 /* |
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140 * Put the gold there |
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141 */ |
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142 if (rp->r_goldval) |
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143 mvaddch(rp->r_gold.y, rp->r_gold.x, GOLD); |
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144 } |
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145 |
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146 /* |
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147 * horiz: |
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148 * draw a horizontal line |
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149 */ |
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150 |
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151 void |
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152 horiz(int cnt) |
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153 { |
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154 while (cnt--) |
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155 addch('-'); |
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156 } |
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157 |
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158 /* |
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159 * vert: |
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160 * draw a vertical line |
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161 */ |
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162 |
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163 void |
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164 vert(int cnt) |
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165 { |
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166 int x, y; |
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167 |
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168 getyx(stdscr, y, x); |
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169 x--; |
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170 while (cnt--) { |
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171 move(++y, x); |
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172 addch('|'); |
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173 } |
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174 } |
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175 |
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176 /* |
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177 * rnd_pos: |
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178 * pick a random spot in a room |
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179 */ |
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180 |
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181 void |
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182 rnd_pos(struct room *rp, coord *cp) |
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183 { |
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184 cp->x = rp->r_pos.x + rnd(rp->r_max.x-2) + 1; |
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185 cp->y = rp->r_pos.y + rnd(rp->r_max.y-2) + 1; |
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186 } |