Mercurial > hg > early-roguelike
annotate rogue5/passages.c @ 213:3c0abb714974
rogue5: fix 'make install'.
The location of install-sh was hardcoded, so installation has not worked
since that script was moved to the top directory in 78ca6502.
author | John "Elwin" Edwards |
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date | Fri, 22 Jan 2016 21:16:54 -0500 |
parents | f502bf60e6e4 |
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rev | line source |
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33
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1 /* |
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2 * Draw the connecting passages |
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3 * |
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4 * @(#)passages.c 4.22 (Berkeley) 02/05/99 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980-1983, 1985, 1999 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 /* |
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18 * do_passages: |
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19 * Draw all the passages on a level. |
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20 */ |
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21 |
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22 void |
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23 do_passages(void) |
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24 { |
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25 struct rdes *r1, *r2 = NULL; |
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26 int i, j; |
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27 int roomcount; |
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28 struct rdes |
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29 { |
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30 int conn[MAXROOMS]; /* possible to connect to room i? */ |
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31 int isconn[MAXROOMS]; /* connection been made to room i? */ |
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32 int ingraph; /* this room in graph already? */ |
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33 } rdes[MAXROOMS] = { |
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34 { { 0, 1, 0, 1, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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35 { { 1, 0, 1, 0, 1, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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36 { { 0, 1, 0, 0, 0, 1, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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37 { { 1, 0, 0, 0, 1, 0, 1, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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38 { { 0, 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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39 { { 0, 0, 1, 0, 1, 0, 0, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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40 { { 0, 0, 0, 1, 0, 0, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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41 { { 0, 0, 0, 0, 1, 0, 1, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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42 { { 0, 0, 0, 0, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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43 }; |
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44 |
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45 /* |
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46 * reinitialize room graph description |
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47 */ |
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48 for (r1 = rdes; r1 <= &rdes[MAXROOMS-1]; r1++) |
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49 { |
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50 for (j = 0; j < MAXROOMS; j++) |
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51 r1->isconn[j] = FALSE; |
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52 r1->ingraph = FALSE; |
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53 } |
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54 |
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55 /* |
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56 * starting with one room, connect it to a random adjacent room and |
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57 * then pick a new room to start with. |
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58 */ |
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59 roomcount = 1; |
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60 r1 = &rdes[rnd(MAXROOMS)]; |
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61 r1->ingraph = TRUE; |
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62 do |
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63 { |
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64 /* |
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65 * find a room to connect with |
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66 */ |
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67 j = 0; |
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68 for (i = 0; i < MAXROOMS; i++) |
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69 if (r1->conn[i] && !rdes[i].ingraph && rnd(++j) == 0) |
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70 r2 = &rdes[i]; |
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71 /* |
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72 * if no adjacent rooms are outside the graph, pick a new room |
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73 * to look from |
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74 */ |
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75 if (j == 0) |
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76 { |
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77 do |
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78 r1 = &rdes[rnd(MAXROOMS)]; |
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79 until (r1->ingraph); |
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80 } |
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81 /* |
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82 * otherwise, connect new room to the graph, and draw a tunnel |
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83 * to it |
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84 */ |
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85 else |
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86 { |
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87 r2->ingraph = TRUE; |
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88 i = (int)(r1 - rdes); |
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89 j = (int)(r2 - rdes); |
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90 conn(i, j); |
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91 r1->isconn[j] = TRUE; |
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92 r2->isconn[i] = TRUE; |
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93 roomcount++; |
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94 } |
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95 } while (roomcount < MAXROOMS); |
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96 |
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97 /* |
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98 * attempt to add passages to the graph a random number of times so |
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99 * that there isn't always just one unique passage through it. |
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100 */ |
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101 for (roomcount = rnd(5); roomcount > 0; roomcount--) |
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102 { |
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103 r1 = &rdes[rnd(MAXROOMS)]; /* a random room to look from */ |
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104 /* |
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105 * find an adjacent room not already connected |
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106 */ |
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107 j = 0; |
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108 for (i = 0; i < MAXROOMS; i++) |
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109 if (r1->conn[i] && !r1->isconn[i] && rnd(++j) == 0) |
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110 r2 = &rdes[i]; |
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111 /* |
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112 * if there is one, connect it and look for the next added |
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113 * passage |
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114 */ |
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115 if (j != 0) |
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116 { |
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117 i = (int)(r1 - rdes); |
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118 j = (int)(r2 - rdes); |
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119 conn(i, j); |
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120 r1->isconn[j] = TRUE; |
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121 r2->isconn[i] = TRUE; |
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122 } |
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123 } |
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124 passnum(); |
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125 } |
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126 |
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127 /* |
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128 * conn: |
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129 * Draw a corridor from a room in a certain direction. |
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130 */ |
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131 |
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132 void |
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133 conn(int r1, int r2) |
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134 { |
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135 struct room *rpf, *rpt = NULL; |
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136 int rmt; |
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137 int distance = 0, turn_spot, turn_distance = 0; |
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138 int rm; |
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139 int direc; |
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140 static coord del, turn_delta; |
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141 coord curr, spos, epos; |
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142 |
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143 if (r1 < r2) |
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144 { |
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145 rm = r1; |
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146 if (r1 + 1 == r2) |
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147 direc = 'r'; |
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148 else |
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149 direc = 'd'; |
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150 } |
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151 else |
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152 { |
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153 rm = r2; |
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154 if (r2 + 1 == r1) |
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155 direc = 'r'; |
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156 else |
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157 direc = 'd'; |
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158 } |
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159 rpf = &rooms[rm]; |
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160 /* |
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161 * Set up the movement variables, in two cases: |
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162 * first drawing one down. |
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163 */ |
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164 if (direc == 'd') |
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165 { |
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166 rmt = rm + 3; /* room # of dest */ |
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167 rpt = &rooms[rmt]; /* room pointer of dest */ |
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168 del.x = 0; /* direction of move */ |
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169 del.y = 1; |
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170 spos.x = rpf->r_pos.x; /* start of move */ |
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171 spos.y = rpf->r_pos.y; |
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172 epos.x = rpt->r_pos.x; /* end of move */ |
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173 epos.y = rpt->r_pos.y; |
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174 if (!(rpf->r_flags & ISGONE)) /* if not gone pick door pos */ |
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175 do |
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176 { |
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177 spos.x = rpf->r_pos.x + rnd(rpf->r_max.x - 2) + 1; |
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178 spos.y = rpf->r_pos.y + rpf->r_max.y - 1; |
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179 } while ((rpf->r_flags&ISMAZE) && !(flat(spos.y, spos.x)&F_PASS)); |
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180 if (!(rpt->r_flags & ISGONE)) |
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181 do |
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182 { |
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183 epos.x = rpt->r_pos.x + rnd(rpt->r_max.x - 2) + 1; |
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184 } while ((rpt->r_flags&ISMAZE) && !(flat(epos.y, epos.x)&F_PASS)); |
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185 distance = abs(spos.y - epos.y) - 1; /* distance to move */ |
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186 turn_delta.y = 0; /* direction to turn */ |
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187 turn_delta.x = (spos.x < epos.x ? 1 : -1); |
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188 turn_distance = abs(spos.x - epos.x); /* how far to turn */ |
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189 } |
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190 else if (direc == 'r') /* setup for moving right */ |
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191 { |
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192 rmt = rm + 1; |
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193 rpt = &rooms[rmt]; |
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194 del.x = 1; |
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195 del.y = 0; |
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196 spos.x = rpf->r_pos.x; |
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197 spos.y = rpf->r_pos.y; |
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198 epos.x = rpt->r_pos.x; |
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199 epos.y = rpt->r_pos.y; |
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200 if (!(rpf->r_flags & ISGONE)) |
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201 do |
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202 { |
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203 spos.x = rpf->r_pos.x + rpf->r_max.x - 1; |
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204 spos.y = rpf->r_pos.y + rnd(rpf->r_max.y - 2) + 1; |
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205 } while ((rpf->r_flags&ISMAZE) && !(flat(spos.y, spos.x)&F_PASS)); |
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206 if (!(rpt->r_flags & ISGONE)) |
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207 do |
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208 { |
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209 epos.y = rpt->r_pos.y + rnd(rpt->r_max.y - 2) + 1; |
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210 } while ((rpt->r_flags&ISMAZE) && !(flat(epos.y, epos.x)&F_PASS)); |
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211 distance = abs(spos.x - epos.x) - 1; |
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212 turn_delta.y = (spos.y < epos.y ? 1 : -1); |
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213 turn_delta.x = 0; |
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214 turn_distance = abs(spos.y - epos.y); |
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215 } |
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216 #ifdef MASTER |
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217 else |
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218 debug("error in connection tables"); |
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219 #endif |
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220 |
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221 turn_spot = rnd(distance - 1) + 1; /* where turn starts */ |
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222 |
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223 /* |
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224 * Draw in the doors on either side of the passage or just put #'s |
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225 * if the rooms are gone. |
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226 */ |
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227 if (!(rpf->r_flags & ISGONE)) |
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228 door(rpf, &spos); |
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229 else |
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230 putpass(&spos); |
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231 if (!(rpt->r_flags & ISGONE)) |
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232 door(rpt, &epos); |
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233 else |
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234 putpass(&epos); |
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235 /* |
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236 * Get ready to move... |
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237 */ |
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238 curr.x = spos.x; |
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239 curr.y = spos.y; |
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240 while (distance > 0) |
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241 { |
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242 /* |
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243 * Move to new position |
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244 */ |
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245 curr.x += del.x; |
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246 curr.y += del.y; |
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247 /* |
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248 * Check if we are at the turn place, if so do the turn |
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249 */ |
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250 if (distance == turn_spot) |
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251 while (turn_distance--) |
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252 { |
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253 putpass(&curr); |
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254 curr.x += turn_delta.x; |
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255 curr.y += turn_delta.y; |
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256 } |
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257 /* |
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258 * Continue digging along |
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259 */ |
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260 putpass(&curr); |
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261 distance--; |
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262 } |
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263 curr.x += del.x; |
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264 curr.y += del.y; |
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265 if (!ce(curr, epos)) |
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266 msg("warning, connectivity problem on this level"); |
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267 } |
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268 |
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269 /* |
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270 * putpass: |
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271 * add a passage character or secret passage here |
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272 */ |
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273 |
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274 void |
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275 putpass(const coord *cp) |
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276 { |
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277 PLACE *pp; |
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278 |
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279 pp = INDEX(cp->y, cp->x); |
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280 pp->p_flags |= F_PASS; |
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281 if (rnd(10) + 1 < level && rnd(40) == 0) |
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282 pp->p_flags &= ~F_REAL; |
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283 else |
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284 pp->p_ch = PASSAGE; |
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285 } |
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286 |
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287 /* |
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288 * door: |
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289 * Add a door or possibly a secret door. Also enters the door in |
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290 * the exits array of the room. |
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291 */ |
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292 |
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293 void |
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294 door(struct room *rm, const coord *cp) |
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295 { |
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296 PLACE *pp; |
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297 |
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298 rm->r_exit[rm->r_nexits++] = *cp; |
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299 |
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300 if (rm->r_flags & ISMAZE) |
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301 return; |
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302 |
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303 pp = INDEX(cp->y, cp->x); |
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304 if (rnd(10) + 1 < level && rnd(5) == 0) |
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305 { |
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306 if (cp->y == rm->r_pos.y || cp->y == rm->r_pos.y + rm->r_max.y - 1) |
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307 pp->p_ch = '-'; |
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308 else |
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309 pp->p_ch = '|'; |
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310 pp->p_flags &= ~F_REAL; |
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311 } |
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312 else |
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313 pp->p_ch = DOOR; |
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314 } |
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315 |
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316 #ifdef MASTER |
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317 /* |
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318 * add_pass: |
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319 * Add the passages to the current window (wizard command) |
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320 */ |
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321 |
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322 void |
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323 add_pass(void) |
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324 { |
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325 PLACE *pp; |
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326 int y, x; |
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327 int ch; |
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328 |
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329 for (y = 1; y < NUMLINES - 1; y++) |
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330 for (x = 0; x < NUMCOLS; x++) |
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331 { |
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332 pp = INDEX(y, x); |
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333 if ((pp->p_flags & F_PASS) || pp->p_ch == DOOR || |
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334 (!(pp->p_flags&F_REAL) && (pp->p_ch == '|' || pp->p_ch == '-'))) |
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335 { |
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336 ch = pp->p_ch; |
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337 if (pp->p_flags & F_PASS) |
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338 ch = PASSAGE; |
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339 pp->p_flags |= F_SEEN; |
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340 move(y, x); |
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341 if (pp->p_monst != NULL) |
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342 pp->p_monst->t_oldch = pp->p_ch; |
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343 else if (pp->p_flags & F_REAL) |
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344 addch(ch); |
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345 else |
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346 { |
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347 standout(); |
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348 addch((pp->p_flags & F_PASS) ? PASSAGE : DOOR); |
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349 standend(); |
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|
350 } |
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|
351 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
352 } |
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353 } |
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354 #endif |
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355 |
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356 /* |
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357 * passnum: |
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358 * Assign a number to each passageway |
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|
359 */ |
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360 static int pnum; |
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361 static int newpnum; |
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|
362 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
363 void |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
364 passnum(void) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
365 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
366 struct room *rp; |
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|
367 int i; |
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|
368 |
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369 pnum = 0; |
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|
370 newpnum = FALSE; |
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371 for (rp = passages; rp < &passages[MAXPASS]; rp++) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
372 rp->r_nexits = 0; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
373 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) |
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374 for (i = 0; i < rp->r_nexits; i++) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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375 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
376 newpnum++; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
377 numpass(rp->r_exit[i].y, rp->r_exit[i].x); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
378 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
379 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
380 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
381 /* |
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parents:
diff
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|
382 * numpass: |
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parents:
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|
383 * Number a passageway square and its brethren |
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parents:
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|
384 */ |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
385 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
386 void |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
387 numpass(int y, int x) |
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|
388 { |
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389 int *fp; |
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390 struct room *rp; |
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391 int ch; |
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|
392 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
393 if (x >= NUMCOLS || x < 0 || y >= NUMLINES || y <= 0) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
394 return; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
395 fp = &flat(y, x); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
396 if (*fp & F_PNUM) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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changeset
|
397 return; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
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|
398 if (newpnum) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
399 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
400 pnum++; |
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401 newpnum = FALSE; |
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402 } |
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403 /* |
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404 * check to see if it is a door or secret door, i.e., a new exit, |
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405 * or a numerable type of place |
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406 */ |
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407 if ((ch = chat(y, x)) == DOOR || |
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408 (!(*fp & F_REAL) && (ch == '|' || ch == '-'))) |
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409 { |
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410 rp = &passages[pnum]; |
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411 rp->r_exit[rp->r_nexits].y = y; |
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412 rp->r_exit[rp->r_nexits++].x = x; |
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413 } |
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414 else if (!(*fp & F_PASS)) |
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415 return; |
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416 *fp |= pnum; |
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417 /* |
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418 * recurse on the surrounding places |
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419 */ |
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420 numpass(y + 1, x); |
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421 numpass(y - 1, x); |
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422 numpass(y, x + 1); |
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423 numpass(y, x - 1); |
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424 } |