Mercurial > hg > early-roguelike
annotate arogue5/outside.c @ 239:837044d2c362
Merge the GCC5 and build fix branches.
This fixes all warnings produced by GCC 5, except the ones related to
system functions. Those could be fixed by including the proper headers,
but it would be better to replace the system-dependent code with
functions from mdport.c.
author | John "Elwin" Edwards |
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date | Fri, 11 Mar 2016 19:47:52 -0500 |
parents | 56e748983fa8 |
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rev | line source |
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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 char rnd_terrain(void); |
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15 char get_terrain(char one, char two, char three, char four); |
63
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16 |
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17 /* |
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18 * init_terrain: |
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19 * Get the single "outside room" set up correctly |
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20 */ |
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21 |
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22 void |
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23 init_terrain(void) |
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24 { |
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25 register struct room *rp; |
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26 |
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27 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) { |
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28 rp->r_flags = ISGONE; /* kill all rooms */ |
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29 rp->r_fires = NULL; /* no fires */ |
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30 } |
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31 rp = &rooms[0]; /* point to only room */ |
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32 rp->r_flags = ISDARK; /* outside is always dark */ |
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33 rp->r_pos.x = 0; /* room fills whole screen */ |
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34 rp->r_pos.y = 1; |
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35 rp->r_max.x = COLS; |
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36 rp->r_max.y = LINES - 3; |
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37 } |
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38 |
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39 |
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40 |
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41 void |
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42 do_terrain(int basey, int basex, int deltay, int deltax, bool fresh) |
63
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43 { |
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44 int cury, curx; /* Current y and x positions */ |
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45 |
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46 /* Lay out the boundary */ |
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47 for (cury=1; cury<LINES-2; cury++) { /* Vertical "walls" */ |
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48 mvaddch(cury, 0, '|'); |
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49 mvaddch(cury, COLS-1, '|'); |
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50 } |
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51 for (curx=0; curx<COLS; curx++) { /* Horizontal "walls" */ |
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52 mvaddch(1, curx, '-'); |
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53 mvaddch(LINES-3, curx, '-'); |
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54 } |
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55 |
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56 /* If we are not continuing, let's start out with a line of terrain */ |
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57 if (fresh) { |
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58 char ch; /* Next char to add */ |
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59 |
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60 /* Move to the starting point (should be (1, 0)) */ |
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61 move(basey, basex); |
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62 curx = basex; |
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63 |
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64 /* Start with some random terrain */ |
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65 if (basex == 0) { |
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66 ch = rnd_terrain(); |
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67 addch(ch); |
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68 } |
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69 else ch = CCHAR( mvinch(basey, basex) ); |
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70 |
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71 curx += deltax; |
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72 |
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73 /* Fill in the rest of the line */ |
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74 while (curx > 0 && curx < COLS-1) { |
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75 /* Put in the next piece */ |
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76 ch = get_terrain(ch, '\0', '\0', '\0'); |
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77 mvaddch(basey, curx, ch); |
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78 curx += deltax; |
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79 } |
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80 |
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81 basey++; /* Advance to next line */ |
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82 } |
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83 |
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84 /* Fill in the rest of the lines */ |
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85 cury = basey; |
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86 while (cury > 1 && cury < LINES - 3) { |
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87 curx = basex; |
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88 while (curx > 0 && curx < COLS-1) { |
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89 register char left, top_left, top, top_right; |
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90 register int left_pos, top_pos; |
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91 |
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92 /* Get the surrounding terrain */ |
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93 left_pos = curx - deltax; |
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94 top_pos = cury - deltay; |
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95 |
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96 left = CCHAR( mvinch(cury, left_pos) ); |
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97 top_left = CCHAR( mvinch(top_pos, left_pos) ); |
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98 top = CCHAR( mvinch(top_pos, curx) ); |
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99 top_right = CCHAR( mvinch(top_pos, curx + deltax) ); |
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100 |
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101 /* Put the piece of terrain on the map */ |
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102 mvaddch(cury, curx, get_terrain(left, top_left, top, top_right)); |
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103 |
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104 /* Get the next x coordinate */ |
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105 curx += deltax; |
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106 } |
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107 |
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108 /* Get the next y coordinate */ |
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109 cury += deltay; |
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110 } |
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111 genmonsters(5, (bool) 0); |
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112 } |
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113 |
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114 |
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115 /* |
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116 * do_paths: |
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117 * draw at least a single path-way through the terrain |
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118 */ |
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119 |
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120 |
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121 /* |
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122 * rnd_terrain: |
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123 * return a weighted, random type of outside terrain |
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124 */ |
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125 |
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126 char |
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127 rnd_terrain(void) |
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128 { |
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129 int chance = rnd(100); |
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130 |
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131 /* Forest is most likely */ |
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132 if (chance < 60) return(FOREST); |
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133 |
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134 /* Next comes meadow */ |
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135 if (chance < 90) return(FLOOR); |
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136 |
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137 /* Then comes lakes */ |
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138 if (chance < 97) return(POOL); |
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139 |
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140 /* Finally, mountains */ |
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141 return(WALL); |
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142 } |
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143 |
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144 |
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145 /* |
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146 * get_terrain: |
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147 * return a terrain weighted by what is surrounding |
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148 */ |
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149 |
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150 char |
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151 get_terrain(char one, char two, char three, char four) |
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152 { |
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153 register int i; |
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154 int forest = 0, mountain = 0, lake = 0, meadow = 0, total = 0; |
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155 char surrounding[4]; |
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156 |
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157 surrounding[0] = one; |
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158 surrounding[1] = two; |
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159 surrounding[2] = three; |
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160 surrounding[3] = four; |
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161 |
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162 for (i=0; i<4; i++) |
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163 switch (surrounding[i]) { |
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164 case FOREST: |
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165 forest++; |
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166 total++; |
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167 |
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168 when WALL: |
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169 mountain++; |
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170 total++; |
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171 |
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172 when POOL: |
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173 lake++; |
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174 total++; |
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175 |
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176 when FLOOR: |
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177 meadow++; |
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178 total++; |
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179 } |
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180 |
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181 /* Should we continue mountain? */ |
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182 if (rnd(total+1) < mountain) return(WALL); |
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183 |
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184 /* Should we continue lakes? */ |
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185 if (rnd(total+1) < lake) return(POOL); |
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186 |
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187 /* Should we continue meadow? */ |
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188 if (rnd(total+1) < meadow) return(FLOOR); |
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189 |
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190 /* Should we continue forest? */ |
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191 if (rnd(total+2) < forest) return(FOREST); |
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192 |
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193 /* Return something random */ |
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194 return(rnd_terrain()); |
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195 } |
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196 |
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197 |
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198 /* |
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199 * lake_check: |
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200 * Determine if the player would drown |
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201 */ |
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202 |
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203 void |
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204 lake_check(coord *place) |
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205 { |
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206 NOOP(place); |
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207 } |