Source:NetHack 2.2a/search.c

Below is the full text to search.c from the source code of NetHack 2.2a.

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1.    /*	SCCS Id: @(#)search.c	2.1	87/11/10
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    
4.    #include "hack.h"
5.    char *rndmonnam(), *defmonnam();
6.    
7.    extern struct monst *makemon();
8.    
9.    findit()	/* returns number of things found */
10.   {
11.   	int num;
12.   	register xchar zx,zy;
13.   	register struct trap *ttmp;
14.   	register struct monst *mtmp;
15.   	xchar lx,hx,ly,hy;
16.   
17.   	if(u.uswallow) return(0);
18.   	for(lx = u.ux; (num = levl[lx-1][u.uy].typ) && num != CORR; lx--) ;
19.   	for(hx = u.ux; (num = levl[hx+1][u.uy].typ) && num != CORR; hx++) ;
20.   	for(ly = u.uy; (num = levl[u.ux][ly-1].typ) && num != CORR; ly--) ;
21.   	for(hy = u.uy; (num = levl[u.ux][hy+1].typ) && num != CORR; hy++) ;
22.   	num = 0;
23.   	for(zy = ly; zy <= hy; zy++)
24.   		for(zx = lx; zx <= hx; zx++) {
25.   			if(levl[zx][zy].typ == SDOOR) {
26.   				levl[zx][zy].typ = DOOR;
27.   				atl(zx, zy, DOOR_SYM);
28.   				num++;
29.   			} else if(levl[zx][zy].typ == SCORR) {
30.   				levl[zx][zy].typ = CORR;
31.   				atl(zx, zy, CORR_SYM);
32.   				num++;
33.   			} else if(ttmp = t_at(zx, zy)) {
34.   				if(ttmp->ttyp == PIERC){
35.   					(void) makemon(PM_PIERCER, zx, zy);
36.   					num++;
37.   					deltrap(ttmp);
38.   				} else if(!ttmp->tseen) {
39.   					ttmp->tseen = 1;
40.   					if(!vism_at(zx, zy))
41.   						atl(zx,zy,TRAP_SYM);
42.   					num++;
43.   				}
44.   			} else if(mtmp = m_at(zx,zy)) if(mtmp->mimic){
45.   				seemimic(mtmp);
46.   				num++;
47.   			}
48.   		}
49.   	return(num);
50.   }
51.   
52.   dosearch()
53.   {
54.   	register xchar x,y;
55.   	register struct trap *trap;
56.   	register struct monst *mtmp;
57.   #ifdef BVH	/* if weapon is Excalibur give the user the sword's
58.   		 * magic bonus (+ or -) to search for hidden objects.
59.   		 */
60.   	int fund = (uwep && !strcmp(ONAME(uwep),"Excalibur")) ?
61.   			((uwep->spe > 5) ? 5 : uwep->spe) : 0;
62.   #endif
63.   
64.   	if(u.uswallow)
65.   		pline("What are you looking for? The exit?");
66.   	else
67.   	for(x = u.ux-1; x < u.ux+2; x++)
68.   	for(y = u.uy-1; y < u.uy+2; y++) if(x != u.ux || y != u.uy) {
69.   		if(levl[x][y].typ == SDOOR) {
70.   			if(rn2(7-fund)) continue;
71.   			levl[x][y].typ = DOOR;
72.   			levl[x][y].seen = 0;	/* force prl */
73.   			prl(x,y);
74.   			nomul(0);
75.   		} else if(levl[x][y].typ == SCORR) {
76.   			if(rn2(7-fund)) continue;
77.   			levl[x][y].typ = CORR;
78.   			levl[x][y].seen = 0;	/* force prl */
79.   			prl(x,y);
80.   			nomul(0);
81.   		} else {
82.   		/* Be careful not to find anything in an SCORR or SDOOR */
83.   			if(mtmp = m_at(x,y)) if(mtmp->mimic){
84.   				seemimic(mtmp);
85.   				pline("You find %s.",defmonnam(mtmp));
86.   				return(1);
87.   			}
88.   			for(trap = ftrap; trap; trap = trap->ntrap)
89.   			if(trap->tx == x && trap->ty == y &&
90.   			   !trap->tseen && !rn2(8)) {
91.   				nomul(0);
92.   				if (trap->ttyp != PIERC)
93.   				pline("You find a%s.", traps[Hallucination ?
94.   				rn2(TRAPNUM-2) : trap->ttyp ]);
95.   
96.   				if(trap->ttyp == PIERC) {
97.   				    deltrap(trap);
98.   				    if((mtmp=makemon(PM_PIERCER,x,y)))
99.   					pline("You find %s.", defmonnam(mtmp));
100.  				    return(1);
101.  				}
102.  				trap->tseen = 1;
103.  				if(!vism_at(x,y)) atl(x,y,TRAP_SYM);
104.  			}
105.  		}
106.  	}
107.  	return(1);
108.  }
109.  
110.  doidtrap() {
111.  register struct trap *trap;
112.  register int x,y;
113.  	if(!getdir(1)) return(0);
114.  	x = u.ux + u.dx;
115.  	y = u.uy + u.dy;
116.  	for(trap = ftrap; trap; trap = trap->ntrap)
117.  		if(trap->tx == x && trap->ty == y && trap->tseen) {
118.  		    if(u.dz)
119.  			if((u.dz < 0) != (!xdnstair && trap->ttyp == TRAPDOOR))
120.  			    continue;
121.  			pline("That is a%s.",traps[ Hallucination ? rn2(TRAPNUM-2) :
122.  			trap->ttyp]);
123.  		    return(0);
124.  		}
125.  	pline("I can't see a trap there.");
126.  	return(0);
127.  }
128.  
129.  wakeup(mtmp)
130.  register struct monst *mtmp;
131.  {
132.  	mtmp->msleep = 0;
133.  	setmangry(mtmp);
134.  	if(mtmp->mimic) seemimic(mtmp);
135.  }
136.  
137.  /* NOTE: we must check if(mtmp->mimic) before calling this routine */
138.  seemimic(mtmp)
139.  register struct monst *mtmp;
140.  {
141.  		mtmp->mimic = 0;
142.  		mtmp->mappearance = 0;
143.  		unpmon(mtmp);
144.  		pmon(mtmp);
145.  }