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annotate rogue3/rooms.c @ 251:e7862a021609

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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
date Sat, 28 Jan 2017 11:45:36 -0500
parents 527e2150eaf0
children
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1 /*
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2 * Draw the nine rooms on the screen
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3 *
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4 * @(#)rooms.c 3.8 (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 <stdlib.h>
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14 #include "curses.h"
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15 #include "rogue.h"
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16
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17 void
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18 do_rooms()
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19 {
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20 int i;
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21 struct room *rp;
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22 struct linked_list *item;
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23 struct thing *tp;
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24 int left_out;
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25 coord top;
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26 coord bsze;
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27 coord mp;
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28
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29 /*
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30 * bsze is the maximum room size
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31 */
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32 bsze.x = COLS/3;
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33 bsze.y = LINES/3;
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34 /*
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35 * Clear things for a new level
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36 */
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37 for (rp = rooms; rp <= &rooms[MAXROOMS-1]; rp++)
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38 rp->r_goldval = rp->r_nexits = rp->r_flags = 0;
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39 /*
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40 * Put the gone rooms, if any, on the level
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41 */
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42 left_out = rnd(4);
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43 for (i = 0; i < left_out; i++)
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44 rooms[rnd_room()].r_flags |= ISGONE;
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45 /*
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46 * dig and populate all the rooms on the level
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47 */
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48 for (i = 0, rp = rooms; i < MAXROOMS; rp++, i++)
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49 {
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50 /*
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51 * Find upper left corner of box that this room goes in
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52 */
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53 top.x = (i%3)*bsze.x + 1;
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54 top.y = i/3*bsze.y;
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55 if (rp->r_flags & ISGONE)
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56 {
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57 /*
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58 * Place a gone room. Make certain that there is a blank line
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59 * for passage drawing.
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60 */
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61 do
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62 {
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63 rp->r_pos.x = top.x + rnd(bsze.x-2) + 1;
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64 rp->r_pos.y = top.y + rnd(bsze.y-2) + 1;
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65 rp->r_max.x = -COLS;
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66 rp->r_max.y = -LINES;
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67 } until(rp->r_pos.y > 0 && rp->r_pos.y < LINES-1);
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68 continue;
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69 }
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70 if (rnd(10) < level-1)
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71 rp->r_flags |= ISDARK;
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72 /*
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73 * Find a place and size for a random room
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74 */
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75 do
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76 {
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77 rp->r_max.x = rnd(bsze.x - 4) + 4;
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78 rp->r_max.y = rnd(bsze.y - 4) + 4;
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79 rp->r_pos.x = top.x + rnd(bsze.x - rp->r_max.x);
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80 rp->r_pos.y = top.y + rnd(bsze.y - rp->r_max.y);
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81 } until (rp->r_pos.y != 0);
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82 /*
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83 * Put the gold in
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84 */
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85 if (rnd(100) < 50 && (!amulet || level >= max_level))
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86 {
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87 rp->r_goldval = GOLDCALC;
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88 rnd_pos(rp, &rp->r_gold);
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89 if (roomin(&rp->r_gold) != rp)
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90 endwin(), abort();
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91 }
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92 draw_room(rp);
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93 /*
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94 * Put the monster in
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95 */
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96 if (rnd(100) < (rp->r_goldval > 0 ? 80 : 25))
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97 {
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98 item = new_item(sizeof *tp);
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99 tp = (struct thing *) ldata(item);
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100 do
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101 {
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102 rnd_pos(rp, &mp);
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103 } until(mvwinch(stdscr, mp.y, mp.x) == FLOOR);
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104 new_monster(item, randmonster(FALSE), &mp);
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105 /*
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106 * See if we want to give it a treasure to carry around.
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107 */
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108 if (rnd(100) < monsters[tp->t_type-'A'].m_carry)
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109 attach(tp->t_pack, new_thing());
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110 }
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111 }
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112 }
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113
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114 /*
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115 * Draw a box around a room
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116 */
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117
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118 void
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119 draw_room(struct room *rp)
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120 {
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121 int j, k;
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122
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123 move(rp->r_pos.y, rp->r_pos.x+1);
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124 vert(rp->r_max.y-2); /* Draw left side */
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125 move(rp->r_pos.y+rp->r_max.y-1, rp->r_pos.x);
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126 horiz(rp->r_max.x); /* Draw bottom */
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127 move(rp->r_pos.y, rp->r_pos.x);
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128 horiz(rp->r_max.x); /* Draw top */
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129 vert(rp->r_max.y-2); /* Draw right side */
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130 /*
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131 * Put the floor down
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132 */
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133 for (j = 1; j < rp->r_max.y-1; j++)
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134 {
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135 move(rp->r_pos.y + j, rp->r_pos.x+1);
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136 for (k = 1; k < rp->r_max.x-1; k++)
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137 addch(FLOOR);
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138 }
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139 /*
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140 * Put the gold there
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141 */
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142 if (rp->r_goldval)
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143 mvaddch(rp->r_gold.y, rp->r_gold.x, GOLD);
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144 }
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145
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146 /*
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147 * horiz:
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148 * draw a horizontal line
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149 */
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150
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151 void
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152 horiz(int cnt)
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153 {
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154 while (cnt--)
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155 addch('-');
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156 }
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157
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158 /*
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159 * vert:
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160 * draw a vertical line
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161 */
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162
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163 void
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164 vert(int cnt)
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165 {
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166 int x, y;
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167
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168 getyx(stdscr, y, x);
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169 x--;
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170 while (cnt--) {
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171 move(++y, x);
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172 addch('|');
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173 }
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174 }
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175
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176 /*
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177 * rnd_pos:
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178 * pick a random spot in a room
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179 */
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180
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181 void
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182 rnd_pos(struct room *rp, coord *cp)
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183 {
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184 cp->x = rp->r_pos.x + rnd(rp->r_max.x-2) + 1;
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185 cp->y = rp->r_pos.y + rnd(rp->r_max.y-2) + 1;
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186 }