Mercurial > hg > early-roguelike
annotate rogue3/move.c @ 317:aab761616489 default tip
Rearrange some Autoconf files.
Autoconf was failing to detect install-sh at the top level and needed
some explicit directions. It also wants config.guess and config.sub to
be provided too.
A few other macros have also been updated.
author | John "Elwin" Edwards |
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date | Tue, 05 Sep 2023 20:05:24 -0400 |
parents | d9e44e18eeec |
children |
rev | line source |
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0
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1 /* |
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2 * Hero movement commands |
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3 * |
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4 * @(#)move.c 3.26 (Berkeley) 6/15/81 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980, 1981 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 "curses.h" |
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14 #include <ctype.h> |
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15 #include "rogue.h" |
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16 |
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17 /* |
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18 * Used to hold the new hero position |
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19 */ |
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20 |
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21 coord nh; |
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22 |
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23 /* |
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24 * do_run: |
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25 * Start the hero running |
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26 */ |
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27 |
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28 void |
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29 do_run(int ch) |
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30 { |
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31 running = TRUE; |
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32 after = FALSE; |
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33 runch = ch; |
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34 } |
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35 |
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36 /* |
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37 * do_move: |
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38 * Check to see that a move is legal. If it is handle the |
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39 * consequences (fighting, picking up, etc.) |
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40 */ |
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41 |
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42 void |
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43 do_move(int dy, int dx) |
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44 { |
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45 int ch; |
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46 |
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47 firstmove = FALSE; |
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48 if (no_move) |
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49 { |
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50 no_move--; |
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51 msg("You are still stuck in the bear trap"); |
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52 return; |
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53 } |
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54 /* |
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55 * Do a confused move (maybe) |
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56 */ |
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57 if (rnd(100) < 80 && on(player, ISHUH)) |
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58 nh = *rndmove(&player); |
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59 else |
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60 { |
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61 nh.y = hero.y + dy; |
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62 nh.x = hero.x + dx; |
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63 } |
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64 |
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65 /* |
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66 * Check if he tried to move off the screen or make an illegal |
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67 * diagonal move, and stop him if he did. |
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68 */ |
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69 if (nh.x < 0 || nh.x > COLS-1 || nh.y < 0 || nh.y > LINES - 1 |
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70 || !diag_ok(&hero, &nh)) |
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71 { |
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72 after = FALSE; |
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73 running = FALSE; |
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74 return; |
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75 } |
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76 if (running && ce(hero, nh)) |
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77 after = running = FALSE; |
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78 ch = winat(nh.y, nh.x); |
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79 if (on(player, ISHELD) && ch != 'F') |
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80 { |
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81 msg("You are being held"); |
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82 return; |
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83 } |
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84 switch(ch) |
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85 { |
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86 case ' ': |
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87 case '|': |
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88 case '-': |
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89 case SECRETDOOR: |
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90 after = running = FALSE; |
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91 return; |
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92 case TRAP: |
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93 ch = be_trapped(&nh); |
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94 if (ch == TRAPDOOR || ch == TELTRAP) |
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95 return; |
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96 goto move_stuff; |
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97 case GOLD: |
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98 case POTION: |
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99 case SCROLL: |
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100 case FOOD: |
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101 case WEAPON: |
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102 case ARMOR: |
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103 case RING: |
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104 case AMULET: |
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105 case STICK: |
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106 running = FALSE; |
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107 take = ch; |
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108 default: |
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109 move_stuff: |
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110 if (ch == PASSAGE && winat(hero.y, hero.x) == DOOR) |
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111 light(&hero); |
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112 else if (ch == DOOR) |
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113 { |
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114 running = FALSE; |
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115 if (winat(hero.y, hero.x) == PASSAGE) |
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116 light(&nh); |
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117 } |
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118 else if (ch == STAIRS) |
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119 running = FALSE; |
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120 else if (isupper(ch)) |
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121 { |
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122 running = FALSE; |
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123 fight(&nh, ch, cur_weapon, FALSE); |
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124 return; |
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125 } |
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126 ch = winat(hero.y, hero.x); |
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127 wmove(cw, unc(hero)); |
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128 waddch(cw, ch); |
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129 hero = nh; |
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130 wmove(cw, unc(hero)); |
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131 waddch(cw, PLAYER); |
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132 } |
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133 } |
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134 |
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135 /* |
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136 * Called to illuminate a room. |
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137 * If it is dark, remove anything that might move. |
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138 */ |
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139 |
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140 void |
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141 light(coord *cp) |
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142 { |
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143 struct room *rp; |
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144 int j, k; |
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145 int ch; |
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146 int rch; |
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147 struct linked_list *item; |
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148 |
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149 if ((rp = roomin(cp)) != NULL && !on(player, ISBLIND)) |
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150 { |
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151 for (j = 0; j < rp->r_max.y; j++) |
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152 { |
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153 for (k = 0; k < rp->r_max.x; k++) |
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154 { |
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155 ch = show(rp->r_pos.y + j, rp->r_pos.x + k); |
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156 wmove(cw, rp->r_pos.y + j, rp->r_pos.x + k); |
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157 /* |
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158 * Figure out how to display a secret door |
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159 */ |
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160 if (ch == SECRETDOOR) |
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161 { |
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162 if (j == 0 || j == rp->r_max.y - 1) |
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163 ch = '-'; |
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164 else |
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165 ch = '|'; |
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166 } |
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167 /* |
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168 * If the room is a dark room, we might want to remove |
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169 * monsters and the like from it (since they might |
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170 * move) |
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171 */ |
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172 if (isupper(ch)) |
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173 { |
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174 item = wake_monster(rp->r_pos.y+j, rp->r_pos.x+k); |
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175 if (((struct thing *) ldata(item))->t_oldch == ' ') |
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176 if (!(rp->r_flags & ISDARK)) |
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177 ((struct thing *) ldata(item))->t_oldch = |
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178 mvwinch(stdscr, rp->r_pos.y+j, rp->r_pos.x+k); |
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179 } |
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180 if (rp->r_flags & ISDARK) |
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181 { |
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182 rch = mvwinch(cw, rp->r_pos.y+j, rp->r_pos.x+k); |
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183 switch (rch) |
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184 { |
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185 case DOOR: |
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186 case STAIRS: |
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187 case TRAP: |
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188 case '|': |
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189 case '-': |
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190 case ' ': |
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191 ch = rch; |
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192 when FLOOR: |
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193 ch = (on(player, ISBLIND) ? FLOOR : ' '); |
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194 otherwise: |
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195 ch = ' '; |
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196 } |
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197 } |
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198 mvwaddch(cw, rp->r_pos.y+j, rp->r_pos.x+k, ch); |
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199 } |
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200 } |
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201 } |
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202 } |
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203 |
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204 /* |
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205 * show: |
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206 * returns what a certain thing will display as to the un-initiated |
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207 */ |
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208 |
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209 int |
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210 show(int y, int x) |
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211 { |
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212 int ch = winat(y, x); |
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213 struct linked_list *it; |
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214 struct thing *tp; |
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215 |
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216 if (ch == TRAP) |
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217 return (trap_at(y, x)->tr_flags & ISFOUND) ? TRAP : FLOOR; |
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218 else if (ch == 'M' || ch == 'I') |
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219 { |
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220 if ((it = find_mons(y, x)) == NULL) |
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221 fatal("Can't find monster in show"); |
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222 tp = (struct thing *) ldata(it); |
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223 if (ch == 'M') |
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224 ch = tp->t_disguise; |
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225 /* |
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226 * Hide invisible monsters |
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227 */ |
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228 else if (off(player, CANSEE)) |
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229 ch = mvwinch(stdscr, y, x); |
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230 } |
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231 return ch; |
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232 } |
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233 |
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234 /* |
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235 * be_trapped: |
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236 * The guy stepped on a trap.... Make him pay. |
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237 */ |
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238 |
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239 int |
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240 be_trapped(coord *tc) |
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241 { |
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242 struct trap *tp; |
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243 int ch; |
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244 |
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245 tp = trap_at(tc->y, tc->x); |
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246 count = running = FALSE; |
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247 mvwaddch(cw, tp->tr_pos.y, tp->tr_pos.x, TRAP); |
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248 tp->tr_flags |= ISFOUND; |
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249 switch (ch = tp->tr_type) |
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250 { |
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251 case TRAPDOOR: |
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252 level++; |
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253 new_level(); |
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254 msg("You fell into a trap!"); |
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255 when BEARTRAP: |
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256 no_move += BEARTIME; |
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257 msg("You are caught in a bear trap"); |
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258 when SLEEPTRAP: |
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259 no_command += SLEEPTIME; |
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260 msg("A strange white mist envelops you and you fall asleep"); |
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261 when ARROWTRAP: |
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262 if (swing(pstats.s_lvl-1, pstats.s_arm, 1)) |
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263 { |
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264 msg("Oh no! An arrow shot you"); |
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265 if ((pstats.s_hpt -= roll(1, 6)) <= 0) |
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266 { |
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267 msg("The arrow killed you."); |
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268 death('a'); |
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269 } |
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270 } |
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271 else |
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272 { |
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273 struct linked_list *item; |
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274 struct object *arrow; |
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275 |
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276 msg("An arrow shoots past you."); |
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277 item = new_item(sizeof *arrow); |
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278 arrow = (struct object *) ldata(item); |
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279 arrow->o_type = WEAPON; |
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280 arrow->o_which = ARROW; |
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281 init_weapon(arrow, ARROW); |
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282 arrow->o_count = 1; |
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283 arrow->o_pos = hero; |
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284 arrow->o_hplus = arrow->o_dplus = 0; /* "arrow bug" FIX */ |
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285 fall(item, FALSE); |
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286 } |
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287 when TELTRAP: |
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288 teleport(); |
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289 when DARTTRAP: |
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290 if (swing(pstats.s_lvl+1, pstats.s_arm, 1)) |
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291 { |
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292 msg("A small dart just hit you in the shoulder"); |
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293 if ((pstats.s_hpt -= roll(1, 4)) <= 0) |
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294 { |
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295 msg("The dart killed you."); |
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296 death('d'); |
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297 } |
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298 if (!ISWEARING(R_SUSTSTR)) |
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299 chg_str(-1); |
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300 } |
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301 else |
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302 msg("A small dart whizzes by your ear and vanishes."); |
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303 } |
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304 flush_type(); /* flush typeahead */ |
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305 return(ch); |
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306 } |
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307 |
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308 /* |
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309 * trap_at: |
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310 * find the trap at (y,x) on screen. |
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311 */ |
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312 |
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313 struct trap * |
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314 trap_at(int y, int x) |
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315 { |
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316 struct trap *tp, *ep; |
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317 |
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318 ep = &traps[ntraps]; |
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319 for (tp = traps; tp < ep; tp++) |
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320 if (tp->tr_pos.y == y && tp->tr_pos.x == x) |
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321 break; |
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322 if (tp == ep) |
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323 { |
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324 sprintf(prbuf, "Trap at %d,%d not in array", y, x); |
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325 fatal(prbuf); |
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326 } |
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327 return tp; |
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328 } |
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329 |
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330 /* |
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331 * rndmove: |
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332 * move in a random direction if the monster/person is confused |
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333 */ |
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334 |
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335 coord * |
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336 rndmove(struct thing *who) |
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337 { |
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338 int x, y; |
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339 int ch; |
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340 int ex, ey, nopen = 0; |
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341 struct linked_list *item; |
180 | 342 struct object *obj = NULL; |
0
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343 static coord ret; /* what we will be returning */ |
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344 static coord dest; |
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345 |
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346 ret = who->t_pos; |
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347 /* |
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348 * Now go through the spaces surrounding the player and |
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349 * set that place in the array to true if the space can be |
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350 * moved into |
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351 */ |
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352 ey = ret.y + 1; |
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353 ex = ret.x + 1; |
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354 for (y = who->t_pos.y - 1; y <= ey; y++) |
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355 if (y >= 0 && y < LINES) |
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356 for (x = who->t_pos.x - 1; x <= ex; x++) |
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357 { |
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358 if (x < 0 || x >= COLS) |
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359 continue; |
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360 ch = winat(y, x); |
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361 if (step_ok(ch)) |
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362 { |
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363 dest.y = y; |
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364 dest.x = x; |
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365 if (!diag_ok(&who->t_pos, &dest)) |
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366 continue; |
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367 if (ch == SCROLL) |
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368 { |
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369 item = NULL; |
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370 for (item = lvl_obj; item != NULL; item = next(item)) |
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371 { |
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372 obj = (struct object *) ldata(item); |
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373 if (y == obj->o_pos.y && x == obj->o_pos.x) |
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374 break; |
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375 } |
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376 if (item != NULL && obj->o_which == S_SCARE) |
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377 continue; |
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378 } |
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379 if (rnd(++nopen) == 0) |
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380 ret = dest; |
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381 } |
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382 } |
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383 return &ret; |
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384 } |