Mercurial > hg > early-roguelike
annotate arogue7/passages.c @ 304:e52a8a7ad4c5
Fix many compiler warnings.
There should only be two changes in behavior:
arogue7/fight.c, arogue7/fight.c: a to-hit bonus is now correctly
applied to characters who are not monks instead of monks who are not
empty-handed.
urogue/fight.c: fixed an interaction with the "debug" macro that could
cause the wrong message to be displayed.
author | John "Elwin" Edwards |
---|---|
date | Wed, 14 Apr 2021 18:55:33 -0400 |
parents | f9ef86cf22b2 |
children | 13b482bd9e66 |
rev | line source |
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1 /* |
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2 * passages.c - Draw the connecting passages |
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3 * |
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4 * Advanced Rogue |
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5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T |
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6 * All rights reserved. |
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7 * |
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8 * Based on "Rogue: Exploring the Dungeons of Doom" |
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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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 /* |
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16 * Draw the connecting passages |
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17 * |
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18 * @(#)passages.c 3.4 (Berkeley) 6/15/81 |
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19 */ |
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20 |
219
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21 #include <stdlib.h> |
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22 #include "curses.h" |
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23 #include "rogue.h" |
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24 |
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25 void conn(int r1, int r2); |
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26 void door(struct room *rm, coord *cp); |
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27 |
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28 /* |
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29 * do_passages: |
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30 * Draw all the passages on a level. |
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31 */ |
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32 |
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33 void |
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34 do_passages(void) |
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35 { |
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36 register struct rdes *r1, *r2 = NULL; |
125
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37 register int i, j; |
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38 register int roomcount; |
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39 static struct rdes |
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40 { |
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41 bool conn[MAXROOMS]; /* possible to connect to room i? */ |
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42 bool isconn[MAXROOMS]; /* connection been made to room i? */ |
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43 bool ingraph; /* this room in graph already? */ |
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44 } rdes[MAXROOMS] = { |
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45 { { 0, 1, 0, 1, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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46 { { 1, 0, 1, 0, 1, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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47 { { 0, 1, 0, 0, 0, 1, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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48 { { 1, 0, 0, 0, 1, 0, 1, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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49 { { 0, 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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50 { { 0, 0, 1, 0, 1, 0, 0, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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51 { { 0, 0, 0, 1, 0, 0, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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52 { { 0, 0, 0, 0, 1, 0, 1, 0, 1 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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53 { { 0, 0, 0, 0, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, |
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54 }; |
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55 |
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56 /* |
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57 * reinitialize room graph description |
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58 */ |
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59 for (r1 = rdes; r1 <= &rdes[MAXROOMS-1]; r1++) |
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60 { |
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61 for (j = 0; j < MAXROOMS; j++) |
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62 r1->isconn[j] = FALSE; |
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63 r1->ingraph = FALSE; |
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64 } |
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65 |
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66 /* |
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67 * starting with one room, connect it to a random adjacent room and |
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68 * then pick a new room to start with. |
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69 */ |
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70 roomcount = 1; |
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71 r1 = &rdes[rnd(MAXROOMS)]; |
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72 r1->ingraph = TRUE; |
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73 do |
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74 { |
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75 /* |
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76 * find a room to connect with |
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77 */ |
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78 j = 0; |
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79 for (i = 0; i < MAXROOMS; i++) |
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80 if (r1->conn[i] && !rdes[i].ingraph && rnd(++j) == 0) |
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81 r2 = &rdes[i]; |
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82 /* |
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83 * if no adjacent rooms are outside the graph, pick a new room |
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84 * to look from |
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85 */ |
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86 if (j == 0) |
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87 { |
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88 do |
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89 r1 = &rdes[rnd(MAXROOMS)]; |
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90 until (r1->ingraph); |
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91 } |
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92 /* |
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93 * otherwise, connect new room to the graph, and draw a tunnel |
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94 * to it |
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95 */ |
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96 else |
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97 { |
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98 r2->ingraph = TRUE; |
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99 i = (int)(r1 - rdes); |
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100 j = (int)(r2 - rdes); |
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101 conn(i, j); |
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102 r1->isconn[j] = TRUE; |
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103 r2->isconn[i] = TRUE; |
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104 roomcount++; |
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105 } |
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106 } while (roomcount < MAXROOMS); |
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107 |
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108 /* |
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109 * attempt to add passages to the graph a random number of times so |
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110 * that there isn't just one unique passage through it. |
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111 */ |
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112 for (roomcount = rnd(5); roomcount > 0; roomcount--) |
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113 { |
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114 r1 = &rdes[rnd(MAXROOMS)]; /* a random room to look from */ |
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115 /* |
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116 * find an adjacent room not already connected |
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117 */ |
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118 j = 0; |
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119 for (i = 0; i < MAXROOMS; i++) |
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120 if (r1->conn[i] && !r1->isconn[i] && rnd(++j) == 0) |
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121 r2 = &rdes[i]; |
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122 /* |
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123 * if there is one, connect it and look for the next added |
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124 * passage |
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125 */ |
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126 if (j != 0) |
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127 { |
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128 i = (int)(r1 - rdes); |
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129 j = (int)(r2 - rdes); |
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130 conn(i, j); |
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131 r1->isconn[j] = TRUE; |
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132 r2->isconn[i] = TRUE; |
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133 } |
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134 } |
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135 } |
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136 |
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137 /* |
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138 * conn: |
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139 * Draw a corridor from a room in a certain direction. |
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140 */ |
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141 |
219
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142 void |
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143 conn(int r1, int r2) |
125
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144 { |
200
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145 register struct room *rpf, *rpt = NULL; |
304 | 146 register signed char rmt; |
125
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147 register int distance, max_diag, offset, i; |
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148 register int rm; |
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149 int turns[3], turn_dist[3]; |
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150 register char direc; |
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151 coord delta, curr, turn_delta, spos, epos; |
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152 |
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153 if (r1 < r2) |
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154 { |
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155 rm = r1; |
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156 if (r1 + 1 == r2) |
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157 direc = 'r'; |
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158 else |
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159 direc = 'd'; |
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160 } |
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161 else |
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162 { |
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163 rm = r2; |
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164 if (r2 + 1 == r1) |
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165 direc = 'r'; |
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166 else |
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167 direc = 'd'; |
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168 } |
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169 rpf = &rooms[rm]; |
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170 /* |
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171 * Set up the movement variables, in two cases: |
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172 * first drawing one down. |
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173 */ |
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174 if (direc == 'd') |
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175 { |
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176 rmt = rm + 3; /* room # of dest */ |
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177 rpt = &rooms[rmt]; /* room pointer of dest */ |
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178 delta.x = 0; /* direction of move */ |
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179 delta.y = 1; |
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180 spos.x = rpf->r_pos.x; /* start of move */ |
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181 spos.y = rpf->r_pos.y; |
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182 epos.x = rpt->r_pos.x; /* end of move */ |
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183 epos.y = rpt->r_pos.y; |
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184 if (!(rpf->r_flags & ISGONE)) /* if not gone pick door pos */ |
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185 { |
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186 spos.x += rnd(rpf->r_max.x-2)+1; |
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187 spos.y += rpf->r_max.y-1; |
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188 } |
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189 if (!(rpt->r_flags & ISGONE)) |
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190 epos.x += rnd(rpt->r_max.x-2)+1; |
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191 distance = abs(spos.y - epos.y) - 1; /* distance to move */ |
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192 turn_delta.y = 0; /* direction to turn */ |
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193 turn_delta.x = (spos.x < epos.x ? 1 : -1); |
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194 offset = abs(spos.x - epos.x); /* how far to turn */ |
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195 } |
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196 else if (direc == 'r') /* setup for moving right */ |
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197 { |
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198 rmt = rm + 1; |
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199 rpt = &rooms[rmt]; |
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200 delta.x = 1; |
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201 delta.y = 0; |
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202 spos.x = rpf->r_pos.x; |
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203 spos.y = rpf->r_pos.y; |
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204 epos.x = rpt->r_pos.x; |
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205 epos.y = rpt->r_pos.y; |
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206 if (!(rpf->r_flags & ISGONE)) |
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207 { |
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208 spos.x += rpf->r_max.x-1; |
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209 spos.y += rnd(rpf->r_max.y-2)+1; |
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210 } |
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211 if (!(rpt->r_flags & ISGONE)) |
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212 epos.y += rnd(rpt->r_max.y-2)+1; |
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213 distance = abs(spos.x - epos.x) - 1; |
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214 turn_delta.y = (spos.y < epos.y ? 1 : -1); |
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215 turn_delta.x = 0; |
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216 offset = abs(spos.y - epos.y); |
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217 } |
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218 else |
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219 debug("error in connection tables"); |
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220 |
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221 /* |
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222 * Draw in the doors on either side of the passage or just put #'s |
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223 * if the rooms are gone. |
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224 */ |
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225 if (!(rpf->r_flags & ISGONE)) door(rpf, &spos); |
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226 else |
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227 { |
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228 cmov(spos); |
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229 addch('#'); |
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230 } |
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231 if (!(rpt->r_flags & ISGONE)) door(rpt, &epos); |
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232 else |
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233 { |
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234 cmov(epos); |
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235 addch('#'); |
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236 } |
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237 |
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238 /* How far can we move diagonally? */ |
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239 max_diag = min(distance, offset); |
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240 |
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241 /* |
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242 * Decide how many turns we will have. |
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243 */ |
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244 for (i=0; i<3; i++) turn_dist[i] = 0; /* Init distances */ |
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245 if (max_diag > 0) { |
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246 int nturns; |
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247 |
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248 for (i=0, nturns=0; i<3; i++) { |
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249 if (rnd(3 - i + nturns) == 0) { |
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250 nturns++; |
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251 turns[i] = 0; |
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252 } |
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253 else turns[i] = -1; |
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254 } |
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255 } |
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256 else { |
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257 /* Just use a straight line (middle turn) */ |
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258 turns[0] = turns[2] = -1; |
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259 turns[1] = 0; |
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260 } |
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261 |
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262 /* |
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263 * Now decide how long each turn will be (for those selected above). |
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264 */ |
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265 while (max_diag > 0) { |
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266 for (i=0; i<3; i++) { |
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267 if (turns[i] >= 0 && max_diag > 0 && rnd(2) == 0) { |
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268 turn_dist[i]++; |
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269 max_diag--; |
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270 } |
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271 } |
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272 } |
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273 |
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274 /* |
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275 * If we have extra offset space, add it to the straight turn. |
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276 */ |
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277 if (offset > distance) turn_dist[1] += offset - distance; |
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278 |
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279 /* |
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280 * Decide where we want to make our turns. |
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281 * First calculate the offsets, then use those offsets to calculate |
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282 * the exact position relative to "distance." |
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283 */ |
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284 turns[0] = rnd(distance - turn_dist[0] - turn_dist[2]); |
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285 turns[2] = rnd(distance - turn_dist[0] - turn_dist[2] - turns[0]); |
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286 turns[1] = rnd(distance - turn_dist[0] - turn_dist[2] - |
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287 turns[0] - turns[2]); |
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288 |
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289 turns[0] = distance - turns[0]; |
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290 turns[1] = turns[0] - turn_dist[0] - turns[1]; |
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291 turns[2] = turns[1] - turns[2]; |
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292 |
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293 /* |
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294 * Get ready to move... |
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295 */ |
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296 curr.x = spos.x; |
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297 curr.y = spos.y; |
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298 while (distance > 0) { |
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299 /* |
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300 * Move to next row/column |
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301 */ |
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302 curr.x += delta.x; |
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303 curr.y += delta.y; |
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304 |
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305 /* |
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306 * Check if we are at a turn place; if so make a turn |
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307 */ |
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308 for (i=0; i<3; i++) { |
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309 if (distance == turns[i] && turn_dist[i] > 0) { |
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310 /* |
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311 * If this is the start of a straight path, |
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312 * we might put in a right-angle turn (33% chance). |
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313 */ |
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314 if (i == 1 && rnd(3) == 0) { |
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315 cmov(curr); |
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316 addch(PASSAGE); |
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317 } |
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318 |
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319 /* Now dig the turn */ |
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320 while (turn_dist[i]--) { |
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321 curr.x += turn_delta.x; |
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322 curr.y += turn_delta.y; |
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323 cmov(curr); |
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324 addch(PASSAGE); |
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325 if (i != 1) { /* A diagonal */ |
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326 if (--distance > 0) { |
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327 curr.x += delta.x; |
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328 curr.y += delta.y; |
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329 } |
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330 } |
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331 } |
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332 } |
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333 } |
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334 |
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335 if (distance > 0) { |
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336 /* |
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337 * Dig the passage. |
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338 */ |
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339 cmov(curr); |
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340 addch(PASSAGE); |
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341 distance--; |
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342 } |
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343 } |
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344 curr.x += delta.x; |
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345 curr.y += delta.y; |
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346 if (!ce(curr, epos)) |
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347 msg("Warning, connectivity problem (%d, %d) to (%d, %d).", |
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348 curr.y, curr.x, epos.y, epos.x); |
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349 } |
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350 |
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351 /* |
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352 * Add a door or possibly a secret door |
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353 * also enters the door in the exits array of the room. |
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354 */ |
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355 |
219
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356 void |
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357 door(struct room *rm, coord *cp) |
125
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358 { |
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359 struct linked_list *newroom; |
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360 coord *exit; |
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361 |
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362 cmov(*cp); |
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363 addch((rnd(10) < level - 1 && rnd(100) < 20) ? SECRETDOOR : DOOR); |
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364 |
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365 /* Insert the new room into the linked list of rooms */ |
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366 newroom = new_item(sizeof(coord)); |
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367 exit = DOORPTR(newroom); |
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368 *exit = *cp; |
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369 attach(rm->r_exit, newroom); |
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370 } |