xref: /dragonfly/games/hack/hack.search.c (revision 8d6aeca2)
1 /*	$NetBSD: hack.search.c,v 1.6 2009/06/07 18:30:39 dholland Exp $	*/
2 
3 /*
4  * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5  * Amsterdam
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
12  * - Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * - Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  *
19  * - Neither the name of the Stichting Centrum voor Wiskunde en
20  * Informatica, nor the names of its contributors may be used to endorse or
21  * promote products derived from this software without specific prior
22  * written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 /*
38  * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39  * All rights reserved.
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  * 1. Redistributions of source code must retain the above copyright
45  *    notice, this list of conditions and the following disclaimer.
46  * 2. Redistributions in binary form must reproduce the above copyright
47  *    notice, this list of conditions and the following disclaimer in the
48  *    documentation and/or other materials provided with the distribution.
49  * 3. The name of the author may not be used to endorse or promote products
50  *    derived from this software without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
55  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62  */
63 
64 #include "hack.h"
65 #include "extern.h"
66 
67 int
68 findit(void)
69 {				/* returns number of things found */
70 	int             num;
71 	xchar           zx, zy;
72 	struct trap    *ttmp;
73 	struct monst   *mtmp;
74 	xchar           lx, hx, ly, hy;
75 
76 	if (u.uswallow)
77 		return (0);
78 	for (lx = u.ux; (num = levl[lx - 1][u.uy].typ) && num != CORR; lx--);
79 	for (hx = u.ux; (num = levl[hx + 1][u.uy].typ) && num != CORR; hx++);
80 	for (ly = u.uy; (num = levl[u.ux][ly - 1].typ) && num != CORR; ly--);
81 	for (hy = u.uy; (num = levl[u.ux][hy + 1].typ) && num != CORR; hy++);
82 	num = 0;
83 	for (zy = ly; zy <= hy; zy++)
84 		for (zx = lx; zx <= hx; zx++) {
85 			if (levl[zx][zy].typ == SDOOR) {
86 				levl[zx][zy].typ = DOOR;
87 				atl(zx, zy, '+');
88 				num++;
89 			} else if (levl[zx][zy].typ == SCORR) {
90 				levl[zx][zy].typ = CORR;
91 				atl(zx, zy, CORR_SYM);
92 				num++;
93 			} else if ((ttmp = t_at(zx, zy)) != NULL) {
94 				if (ttmp->ttyp == PIERC) {
95 					(void) makemon(PM_PIERCER, zx, zy);
96 					num++;
97 					deltrap(ttmp);
98 				} else if (!ttmp->tseen) {
99 					ttmp->tseen = 1;
100 					if (!vism_at(zx, zy))
101 						atl(zx, zy, '^');
102 					num++;
103 				}
104 			} else if ((mtmp = m_at(zx, zy)) != NULL)
105 				if (mtmp->mimic) {
106 					seemimic(mtmp);
107 					num++;
108 				}
109 		}
110 	return (num);
111 }
112 
113 int
114 dosearch(void)
115 {
116 	xchar           x, y;
117 	struct trap    *trap;
118 	struct monst   *mtmp;
119 
120 	if (u.uswallow)
121 		pline("What are you looking for? The exit?");
122 	else
123 		for (x = u.ux - 1; x < u.ux + 2; x++)
124 			for (y = u.uy - 1; y < u.uy + 2; y++)
125 				if (x != u.ux || y != u.uy) {
126 					if (levl[x][y].typ == SDOOR) {
127 						if (rn2(7))
128 							continue;
129 						levl[x][y].typ = DOOR;
130 						levl[x][y].seen = 0;	/* force prl */
131 						prl(x, y);
132 						nomul(0);
133 					} else if (levl[x][y].typ == SCORR) {
134 						if (rn2(7))
135 							continue;
136 						levl[x][y].typ = CORR;
137 						levl[x][y].seen = 0;	/* force prl */
138 						prl(x, y);
139 						nomul(0);
140 					} else {
141 						/*
142 						 * Be careful not to find
143 						 * anything in an SCORR or
144 						 * SDOOR
145 						 */
146 						if ((mtmp = m_at(x, y)) != NULL)
147 							if (mtmp->mimic) {
148 								seemimic(mtmp);
149 								pline("You find a mimic.");
150 								return (1);
151 							}
152 						for (trap = ftrap; trap; trap = trap->ntrap)
153 							if (trap->tx == x && trap->ty == y &&
154 							    !trap->tseen && !rn2(8)) {
155 								nomul(0);
156 								pline("You find a%s.", traps[trap->ttyp]);
157 								if (trap->ttyp == PIERC) {
158 									deltrap(trap);
159 									(void) makemon(PM_PIERCER, x, y);
160 									return (1);
161 								}
162 								trap->tseen = 1;
163 								if (!vism_at(x, y))
164 									atl(x, y, '^');
165 							}
166 					}
167 				}
168 	return (1);
169 }
170 
171 int
172 doidtrap(void)
173 {
174 	struct trap    *trap;
175 	int             x, y;
176 	if (!getdir(1))
177 		return (0);
178 	x = u.ux + u.dx;
179 	y = u.uy + u.dy;
180 	for (trap = ftrap; trap; trap = trap->ntrap)
181 		if (trap->tx == x && trap->ty == y && trap->tseen) {
182 			if (u.dz)
183 				if ((u.dz < 0) != (!xdnstair && trap->ttyp == TRAPDOOR))
184 					continue;
185 			pline("That is a%s.", traps[trap->ttyp]);
186 			return (0);
187 		}
188 	pline("I can't see a trap there.");
189 	return (0);
190 }
191 
192 void
193 wakeup(struct monst *mtmp)
194 {
195 	mtmp->msleep = 0;
196 	setmangry(mtmp);
197 	if (mtmp->mimic)
198 		seemimic(mtmp);
199 }
200 
201 /* NOTE: we must check if(mtmp->mimic) before calling this routine */
202 void
203 seemimic(struct monst *mtmp)
204 {
205 	mtmp->mimic = 0;
206 	mtmp->mappearance = 0;
207 	unpmon(mtmp);
208 	pmon(mtmp);
209 }
210