Mercurial > hg > early-roguelike
annotate arogue5/outside.c @ 251:e7862a021609
Fix the perpetual haste cheat.
Rogue V3 allowed the player to gain perpetual haste by quaffing a
potion of haste while already hasted. This is supposed to remove the
haste effect and cause temporary paralysis.
Super-Rogue removed haste correctly, but gave confusing messages.
author | John "Elwin" Edwards |
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date | Sat, 28 Jan 2017 11:45:36 -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); |
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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) |
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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 } |