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annotate arogue5/outside.c @ 201:6fb21004a981

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Fix some preprocessor directives. Include process.h in the right place, and use the correct definition of PATH_MAX, when compiling on Windows.
author John "Elwin" Edwards
date Wed, 12 Aug 2015 16:56:19 -0400
parents 0ed67132cf10
children 56e748983fa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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63
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1 /*
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2 * functions for dealing with the "outside" level
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 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 * See the file LICENSE.TXT for full copyright and licensing information.
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9 */
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10
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11 #include "curses.h"
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12 #include "rogue.h"
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13
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14 extern char rnd_terrain(), get_terrain();
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15
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16 /*
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17 * init_terrain:
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18 * Get the single "outside room" set up correctly
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19 */
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20
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21 void
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22 init_terrain()
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23 {
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24 register struct room *rp;
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25
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26 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) {
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27 rp->r_flags = ISGONE; /* kill all rooms */
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28 rp->r_fires = NULL; /* no fires */
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29 }
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30 rp = &rooms[0]; /* point to only room */
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31 rp->r_flags = ISDARK; /* outside is always dark */
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32 rp->r_pos.x = 0; /* room fills whole screen */
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33 rp->r_pos.y = 1;
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34 rp->r_max.x = COLS;
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35 rp->r_max.y = LINES - 3;
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36 }
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37
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38
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39
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40 void
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41 do_terrain(basey, basex, deltay, deltax, fresh)
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42 int basey, basex, deltay, deltax;
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43 bool fresh;
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44 {
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45 register cury, curx; /* Current y and x positions */
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46
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47 /* Lay out the boundary */
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48 for (cury=1; cury<LINES-2; cury++) { /* Vertical "walls" */
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49 mvaddch(cury, 0, '|');
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50 mvaddch(cury, COLS-1, '|');
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51 }
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52 for (curx=0; curx<COLS; curx++) { /* Horizontal "walls" */
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53 mvaddch(1, curx, '-');
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54 mvaddch(LINES-3, curx, '-');
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55 }
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56
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57 /* If we are not continuing, let's start out with a line of terrain */
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58 if (fresh) {
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59 char ch; /* Next char to add */
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60
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61 /* Move to the starting point (should be (1, 0)) */
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62 move(basey, basex);
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63 curx = basex;
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64
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65 /* Start with some random terrain */
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66 if (basex == 0) {
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67 ch = rnd_terrain();
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68 addch(ch);
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69 }
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70 else ch = CCHAR( mvinch(basey, basex) );
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71
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72 curx += deltax;
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73
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74 /* Fill in the rest of the line */
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75 while (curx > 0 && curx < COLS-1) {
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76 /* Put in the next piece */
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77 ch = get_terrain(ch, '\0', '\0', '\0');
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78 mvaddch(basey, curx, ch);
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79 curx += deltax;
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80 }
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81
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82 basey++; /* Advance to next line */
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83 }
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84
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85 /* Fill in the rest of the lines */
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86 cury = basey;
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87 while (cury > 1 && cury < LINES - 3) {
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88 curx = basex;
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89 while (curx > 0 && curx < COLS-1) {
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90 register char left, top_left, top, top_right;
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91 register int left_pos, top_pos;
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92
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93 /* Get the surrounding terrain */
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94 left_pos = curx - deltax;
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95 top_pos = cury - deltay;
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96
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97 left = CCHAR( mvinch(cury, left_pos) );
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98 top_left = CCHAR( mvinch(top_pos, left_pos) );
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99 top = CCHAR( mvinch(top_pos, curx) );
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100 top_right = CCHAR( mvinch(top_pos, curx + deltax) );
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101
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102 /* Put the piece of terrain on the map */
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103 mvaddch(cury, curx, get_terrain(left, top_left, top, top_right));
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104
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105 /* Get the next x coordinate */
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106 curx += deltax;
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107 }
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108
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109 /* Get the next y coordinate */
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110 cury += deltay;
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111 }
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112 genmonsters(5, (bool) 0);
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113 }
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114
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115
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116 /*
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117 * do_paths:
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118 * draw at least a single path-way through the terrain
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119 */
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120
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121
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122 /*
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123 * rnd_terrain:
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124 * return a weighted, random type of outside terrain
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125 */
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126
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127 char
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128 rnd_terrain()
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129 {
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130 int chance = rnd(100);
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131
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132 /* Forest is most likely */
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133 if (chance < 60) return(FOREST);
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134
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135 /* Next comes meadow */
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136 if (chance < 90) return(FLOOR);
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137
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138 /* Then comes lakes */
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139 if (chance < 97) return(POOL);
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140
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141 /* Finally, mountains */
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142 return(WALL);
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143 }
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144
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145
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146 /*
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147 * get_terrain:
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148 * return a terrain weighted by what is surrounding
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149 */
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150
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151 char
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152 get_terrain(one, two, three, four)
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153 char one, two, three, four;
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154 {
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155 register int i;
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156 int forest = 0, mountain = 0, lake = 0, meadow = 0, total = 0;
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157 char surrounding[4];
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158
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159 surrounding[0] = one;
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160 surrounding[1] = two;
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161 surrounding[2] = three;
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162 surrounding[3] = four;
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163
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164 for (i=0; i<4; i++)
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165 switch (surrounding[i]) {
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166 case FOREST:
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167 forest++;
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168 total++;
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169
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170 when WALL:
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171 mountain++;
0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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172 total++;
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parents:
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173
0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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174 when POOL:
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175 lake++;
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176 total++;
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177
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178 when FLOOR:
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179 meadow++;
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180 total++;
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parents:
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181 }
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182
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183 /* Should we continue mountain? */
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184 if (rnd(total+1) < mountain) return(WALL);
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185
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186 /* Should we continue lakes? */
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187 if (rnd(total+1) < lake) return(POOL);
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188
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189 /* Should we continue meadow? */
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190 if (rnd(total+1) < meadow) return(FLOOR);
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191
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192 /* Should we continue forest? */
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193 if (rnd(total+2) < forest) return(FOREST);
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194
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195 /* Return something random */
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196 return(rnd_terrain());
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197 }
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198
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199
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200 /*
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201 * lake_check:
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202 * Determine if the player would drown
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203 */
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204
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205 void
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206 lake_check(place)
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207 coord *place;
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208 {
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209 NOOP(place);
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210 }