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 <sys/cdefs.h>
65 #ifndef lint
66 __RCSID("$NetBSD: hack.search.c,v 1.6 2009/06/07 18:30:39 dholland Exp $");
67 #endif                                  /* not lint */
68 
69 #include "hack.h"
70 #include "extern.h"
71 
72 int
findit(void)73 findit(void)
74 {                                       /* returns number of things found */
75           int             num;
76           xchar           zx, zy;
77           struct trap    *ttmp;
78           struct monst   *mtmp;
79           xchar           lx, hx, ly, hy;
80 
81           if (u.uswallow)
82                     return (0);
83           for (lx = u.ux; (num = levl[lx - 1][u.uy].typ) && num != CORR; lx--);
84           for (hx = u.ux; (num = levl[hx + 1][u.uy].typ) && num != CORR; hx++);
85           for (ly = u.uy; (num = levl[u.ux][ly - 1].typ) && num != CORR; ly--);
86           for (hy = u.uy; (num = levl[u.ux][hy + 1].typ) && num != CORR; hy++);
87           num = 0;
88           for (zy = ly; zy <= hy; zy++)
89                     for (zx = lx; zx <= hx; zx++) {
90                               if (levl[zx][zy].typ == SDOOR) {
91                                         levl[zx][zy].typ = DOOR;
92                                         atl(zx, zy, '+');
93                                         num++;
94                               } else if (levl[zx][zy].typ == SCORR) {
95                                         levl[zx][zy].typ = CORR;
96                                         atl(zx, zy, CORR_SYM);
97                                         num++;
98                               } else if ((ttmp = t_at(zx, zy)) != NULL) {
99                                         if (ttmp->ttyp == PIERC) {
100                                                   (void) makemon(PM_PIERCER, zx, zy);
101                                                   num++;
102                                                   deltrap(ttmp);
103                                         } else if (!ttmp->tseen) {
104                                                   ttmp->tseen = 1;
105                                                   if (!vism_at(zx, zy))
106                                                             atl(zx, zy, '^');
107                                                   num++;
108                                         }
109                               } else if ((mtmp = m_at(zx, zy)) != NULL)
110                                         if (mtmp->mimic) {
111                                                   seemimic(mtmp);
112                                                   num++;
113                                         }
114                     }
115           return (num);
116 }
117 
118 int
dosearch(void)119 dosearch(void)
120 {
121           xchar           x, y;
122           struct trap    *trap;
123           struct monst   *mtmp;
124 
125           if (u.uswallow)
126                     pline("What are you looking for? The exit?");
127           else
128                     for (x = u.ux - 1; x < u.ux + 2; x++)
129                               for (y = u.uy - 1; y < u.uy + 2; y++)
130                                         if (x != u.ux || y != u.uy) {
131                                                   if (levl[x][y].typ == SDOOR) {
132                                                             if (rn2(7))
133                                                                       continue;
134                                                             levl[x][y].typ = DOOR;
135                                                             levl[x][y].seen = 0;          /* force prl */
136                                                             prl(x, y);
137                                                             nomul(0);
138                                                   } else if (levl[x][y].typ == SCORR) {
139                                                             if (rn2(7))
140                                                                       continue;
141                                                             levl[x][y].typ = CORR;
142                                                             levl[x][y].seen = 0;          /* force prl */
143                                                             prl(x, y);
144                                                             nomul(0);
145                                                   } else {
146                                                             /*
147                                                              * Be careful not to find
148                                                              * anything in an SCORR or
149                                                              * SDOOR
150                                                              */
151                                                             if ((mtmp = m_at(x, y)) != NULL)
152                                                                       if (mtmp->mimic) {
153                                                                                 seemimic(mtmp);
154                                                                                 pline("You find a mimic.");
155                                                                                 return (1);
156                                                                       }
157                                                             for (trap = ftrap; trap; trap = trap->ntrap)
158                                                                       if (trap->tx == x && trap->ty == y &&
159                                                                           !trap->tseen && !rn2(8)) {
160                                                                                 nomul(0);
161                                                                                 pline("You find a%s.", traps[trap->ttyp]);
162                                                                                 if (trap->ttyp == PIERC) {
163                                                                                           deltrap(trap);
164                                                                                           (void) makemon(PM_PIERCER, x, y);
165                                                                                           return (1);
166                                                                                 }
167                                                                                 trap->tseen = 1;
168                                                                                 if (!vism_at(x, y))
169                                                                                           atl(x, y, '^');
170                                                                       }
171                                                   }
172                                         }
173           return (1);
174 }
175 
176 int
doidtrap(void)177 doidtrap(void)
178 {
179           struct trap    *trap;
180           int             x, y;
181           if (!getdir(1))
182                     return (0);
183           x = u.ux + u.dx;
184           y = u.uy + u.dy;
185           for (trap = ftrap; trap; trap = trap->ntrap)
186                     if (trap->tx == x && trap->ty == y && trap->tseen) {
187                               if (u.dz)
188                                         if ((u.dz < 0) != (!xdnstair && trap->ttyp == TRAPDOOR))
189                                                   continue;
190                               pline("That is a%s.", traps[trap->ttyp]);
191                               return (0);
192                     }
193           pline("I can't see a trap there.");
194           return (0);
195 }
196 
197 void
wakeup(struct monst * mtmp)198 wakeup(struct monst *mtmp)
199 {
200           mtmp->msleep = 0;
201           setmangry(mtmp);
202           if (mtmp->mimic)
203                     seemimic(mtmp);
204 }
205 
206 /* NOTE: we must check if(mtmp->mimic) before calling this routine */
207 void
seemimic(struct monst * mtmp)208 seemimic(struct monst *mtmp)
209 {
210           mtmp->mimic = 0;
211           mtmp->mappearance = 0;
212           unpmon(mtmp);
213           pmon(mtmp);
214 }
215