Source:NetHack 1.4f/search.c

Below is the full text to search.c from the source code of NetHack 1.4f. To link to a particular line, write [[NetHack 1.4f/search.c#line123]], for example.

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1.    /*	SCCS Id: @(#)search.c	1.4	87/08/08
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* search.c - version 1.0.3 */
4.    
5.    #include "hack.h"
6.    char *rndmonnam(), *defmonnam();
7.    
8.    extern struct monst *makemon();
9.    
10.   findit()	/* returns number of things found */
11.   {
12.   	int num;
13.   	register xchar zx,zy;
14.   	register struct trap *ttmp;
15.   	register struct monst *mtmp;
16.   	xchar lx,hx,ly,hy;
17.   
18.   	if(u.uswallow) return(0);
19.   	for(lx = u.ux; (num = levl[lx-1][u.uy].typ) && num != CORR; lx--) ;
20.   	for(hx = u.ux; (num = levl[hx+1][u.uy].typ) && num != CORR; hx++) ;
21.   	for(ly = u.uy; (num = levl[u.ux][ly-1].typ) && num != CORR; ly--) ;
22.   	for(hy = u.uy; (num = levl[u.ux][hy+1].typ) && num != CORR; hy++) ;
23.   	num = 0;
24.   	for(zy = ly; zy <= hy; zy++)
25.   		for(zx = lx; zx <= hx; zx++) {
26.   			if(levl[zx][zy].typ == SDOOR) {
27.   				levl[zx][zy].typ = DOOR;
28.   				atl(zx, zy, DOOR_SYM);
29.   				num++;
30.   			} else if(levl[zx][zy].typ == SCORR) {
31.   				levl[zx][zy].typ = CORR;
32.   				atl(zx, zy, CORR_SYM);
33.   				num++;
34.   			} else if(ttmp = t_at(zx, zy)) {
35.   				if(ttmp->ttyp == PIERC){
36.   					(void) makemon(PM_PIERCER, zx, zy);
37.   					num++;
38.   					deltrap(ttmp);
39.   				} else if(!ttmp->tseen) {
40.   					ttmp->tseen = 1;
41.   					if(!vism_at(zx, zy))
42.   						atl(zx,zy,TRAP_SYM);
43.   					num++;
44.   				}
45.   			} else if(mtmp = m_at(zx,zy)) if(mtmp->mimic){
46.   				seemimic(mtmp);
47.   				num++;
48.   			}
49.   		}
50.   	return(num);
51.   }
52.   
53.   dosearch()
54.   {
55.   	register xchar x,y;
56.   	register struct trap *trap;
57.   	register struct monst *mtmp;
58.   
59.   	if(u.uswallow)
60.   		pline("What are you looking for? The exit?");
61.   	else
62.   	for(x = u.ux-1; x < u.ux+2; x++)
63.   	for(y = u.uy-1; y < u.uy+2; y++) if(x != u.ux || y != u.uy) {
64.   		if(levl[x][y].typ == SDOOR) {
65.   			if(rn2(7)) continue;
66.   			levl[x][y].typ = DOOR;
67.   			levl[x][y].seen = 0;	/* force prl */
68.   			prl(x,y);
69.   			nomul(0);
70.   		} else if(levl[x][y].typ == SCORR) {
71.   			if(rn2(7)) continue;
72.   			levl[x][y].typ = CORR;
73.   			levl[x][y].seen = 0;	/* force prl */
74.   			prl(x,y);
75.   			nomul(0);
76.   		} else {
77.   		/* Be careful not to find anything in an SCORR or SDOOR */
78.   			if(mtmp = m_at(x,y)) if(mtmp->mimic){
79.   				seemimic(mtmp);
80.   				pline("You find %s.",defmonnam(mtmp));
81.   				return(1);
82.   			}
83.   			for(trap = ftrap; trap; trap = trap->ntrap)
84.   			if(trap->tx == x && trap->ty == y &&
85.   			   !trap->tseen && !rn2(8)) {
86.   				nomul(0);
87.   				if (trap->ttyp != PIERC)
88.   				pline("You find a%s.", traps[Hallucination ?
89.   				rn2(TRAPNUM-2) : trap->ttyp ]);
90.   
91.   				if(trap->ttyp == PIERC) {
92.   				    deltrap(trap);
93.   				    if((mtmp=makemon(PM_PIERCER,x,y)))
94.   					pline("You find %s.", defmonnam(mtmp));
95.   				    return(1);
96.   				}
97.   				trap->tseen = 1;
98.   				if(!vism_at(x,y)) atl(x,y,TRAP_SYM);
99.   			}
100.  		}
101.  	}
102.  	return(1);
103.  }
104.  
105.  doidtrap() {
106.  register struct trap *trap;
107.  register int x,y;
108.  	if(!getdir(1)) return(0);
109.  	x = u.ux + u.dx;
110.  	y = u.uy + u.dy;
111.  	for(trap = ftrap; trap; trap = trap->ntrap)
112.  		if(trap->tx == x && trap->ty == y && trap->tseen) {
113.  		    if(u.dz)
114.  			if((u.dz < 0) != (!xdnstair && trap->ttyp == TRAPDOOR))
115.  			    continue;
116.  			pline("That is a%s.",traps[ Hallucination ? rn2(TRAPNUM-2) :
117.  			trap->ttyp]);
118.  		    return(0);
119.  		}
120.  	pline("I can't see a trap there.");
121.  	return(0);
122.  }
123.  
124.  wakeup(mtmp)
125.  register struct monst *mtmp;
126.  {
127.  	mtmp->msleep = 0;
128.  	setmangry(mtmp);
129.  	if(mtmp->mimic) seemimic(mtmp);
130.  }
131.  
132.  /* NOTE: we must check if(mtmp->mimic) before calling this routine */
133.  seemimic(mtmp)
134.  register struct monst *mtmp;
135.  {
136.  		mtmp->mimic = 0;
137.  		mtmp->mappearance = 0;
138.  		unpmon(mtmp);
139.  		pmon(mtmp);
140.  }