2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
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36 * @(#)trap.c 8.1 (Berkeley) 5/31/93
37 * $FreeBSD: src/games/rogue/trap.c,v 1.6 1999/11/30 03:49:28 billf Exp $
38 * $DragonFly: src/games/rogue/trap.c,v 1.3 2006/09/02 19:31:07 pavalos Exp $
44 * This source herein may be modified and/or distributed by anybody who
45 * so desires, with the following restrictions:
46 * 1.) No portion of this notice shall be removed.
47 * 2.) Credit shall not be taken for the creation of this source.
48 * 3.) This code is not to be traded, sold, or used for personal
55 trap traps[MAX_TRAPS];
56 boolean trap_door = 0;
59 const char *const trap_strings[TRAPS * 2] = {
61 "you fell down a trap",
63 "you are caught in a bear trap",
67 "a small dart just hit you in the shoulder",
69 "a strange white mist envelops you and you fall asleep",
71 "a gush of water hits you on the head"
74 extern short cur_level, party_room;
75 extern const char *new_level_message;
76 extern boolean interrupted;
77 extern short ring_exp;
78 extern boolean sustain_strength;
81 static short trap_at(int, int);
84 trap_at(int row, int col)
88 for (i = 0; ((i < MAX_TRAPS) && (traps[i].trap_type != NO_TRAP)); i++) {
89 if ((traps[i].trap_row == row) && (traps[i].trap_col == col)) {
90 return(traps[i].trap_type);
97 trap_player(short row, short col)
101 if ((t = trap_at(row, col)) == NO_TRAP) {
104 dungeon[row][col] &= (~HIDDEN);
105 if (rand_percent(rogue.exp + ring_exp)) {
106 message("the trap failed", 1);
112 new_level_message = trap_strings[(t*2)+1];
115 message(trap_strings[(t*2)+1], 1);
116 bear_trap = get_rand(4, 7);
119 mvaddch(rogue.row, rogue.col, '^');
123 message(trap_strings[(t*2)+1], 1);
124 rogue.hp_current -= get_damage("1d6", 1);
125 if (rogue.hp_current <= 0) {
126 rogue.hp_current = 0;
128 if ((!sustain_strength) && rand_percent(40) &&
129 (rogue.str_current >= 3)) {
132 print_stats(STAT_HP | STAT_STRENGTH);
133 if (rogue.hp_current <= 0) {
134 killed_by((object *) 0, POISON_DART);
137 case SLEEPING_GAS_TRAP:
138 message(trap_strings[(t*2)+1], 1);
142 message(trap_strings[(t*2)+1], 1);
151 short i, n, tries = 0;
154 if (cur_level <= 2) {
156 } else if (cur_level <= 7) {
158 } else if (cur_level <= 11) {
160 } else if (cur_level <= 16) {
162 } else if (cur_level <= 21) {
164 } else if (cur_level <= (AMULET_LEVEL + 2)) {
167 n = get_rand(5, MAX_TRAPS);
169 for (i = 0; i < n; i++) {
170 traps[i].trap_type = get_rand(0, (TRAPS - 1));
172 if ((i == 0) && (party_room != NO_ROOM)) {
174 row = get_rand((rooms[party_room].top_row+1),
175 (rooms[party_room].bottom_row-1));
176 col = get_rand((rooms[party_room].left_col+1),
177 (rooms[party_room].right_col-1));
179 } while (((dungeon[row][col] & (OBJECT|STAIRS|TRAP|TUNNEL)) ||
180 (dungeon[row][col] == NOTHING)) && (tries < 15));
182 gr_row_col(&row, &col, (FLOOR | MONSTER));
185 gr_row_col(&row, &col, (FLOOR | MONSTER));
187 traps[i].trap_row = row;
188 traps[i].trap_col = col;
189 dungeon[row][col] |= (TRAP | HIDDEN);
196 short dir, row, col, d, t;
198 message("direction? ", 0);
200 while (!is_direction(dir = rgetchar(), &d)) {
211 get_dir_rc(d, &row, &col, 0);
213 if ((dungeon[row][col] & TRAP) && (!(dungeon[row][col] & HIDDEN))) {
214 t = trap_at(row, col);
215 message(trap_strings[t*2], 0);
217 message("no trap there", 0);
226 for (i = 0; i < DROWS; i++) {
227 for (j = 0; j < DCOLS; j++) {
228 if (dungeon[i][j] & TRAP) {
236 search(short n, boolean is_auto)
238 short s, i, j, row, col, t;
239 short shown = 0, found = 0;
240 static boolean reg_search;
242 for (i = -1; i <= 1; i++) {
243 for (j = -1; j <= 1; j++) {
246 if ((row < MIN_ROW) || (row >= (DROWS-1)) ||
247 (col < 0) || (col >= DCOLS)) {
250 if (dungeon[row][col] & HIDDEN) {
255 for (s = 0; s < n; s++) {
256 for (i = -1; i <= 1; i++) {
257 for (j = -1; j <= 1; j++) {
259 col = rogue.col + j ;
260 if ((row < MIN_ROW) || (row >= (DROWS-1)) ||
261 (col < 0) || (col >= DCOLS)) {
264 if (dungeon[row][col] & HIDDEN) {
265 if (rand_percent(17 + (rogue.exp + ring_exp))) {
266 dungeon[row][col] &= (~HIDDEN);
267 if ((!blind) && ((row != rogue.row) ||
268 (col != rogue.col))) {
269 mvaddch(row, col, get_dungeon_char(row, col));
272 if (dungeon[row][col] & TRAP) {
273 t = trap_at(row, col);
274 message(trap_strings[t*2], 1);
278 if (((shown == found) && (found > 0)) || interrupted) {
283 if ((!is_auto) && (reg_search = !reg_search)) {