Source:Hack 1.0/hack.search.c

Below is the full text to hack.search.c from the source code of Hack 1.0.

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1.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984. */
2.    
3.    #include "hack.h"
4.    #include	"def.trap.h"
5.    
6.    extern struct monst *makemon();
7.    
8.    findit()	/* returns number of things found */
9.    {
10.   	int num;
11.   	register xchar zx,zy;
12.   	register struct gen *gtmp;
13.   	register struct monst *mtmp;
14.   	xchar lx,hx,ly,hy;
15.   
16.   	if(u.uswallow) return(0);
17.   	for(lx = u.ux;(num = levl[lx-1][u.uy].typ) && num != CORR;lx--) ;
18.   	for(hx = u.ux;(num = levl[hx+1][u.uy].typ) && num != CORR;hx++) ;
19.   	for(ly = u.uy;(num = levl[u.ux][ly-1].typ) && num != CORR;ly--) ;
20.   	for(hy = u.uy;(num = levl[u.ux][hy+1].typ) && num != CORR;hy++) ;
21.   	num = 0;
22.   	for(zy = ly;zy <= hy;zy++)
23.   		for(zx = lx;zx <= hx;zx++) {
24.   			if(levl[zx][zy].typ == SDOOR) {
25.   				levl[zx][zy].typ = DOOR;
26.   				atl(zx,zy,'+');
27.   				num++;
28.   			} else if(levl[zx][zy].typ == SCORR) {
29.   				levl[zx][zy].typ = CORR;
30.   				atl(zx,zy,CORR_SYM);
31.   				num++;
32.   			} else if(gtmp = g_at(zx,zy,ftrap)) {
33.   				if(gtmp->gflag == PIERC){
34.   					(void) makemon(PM_PIERC,zx,zy);
35.   					num++;
36.   					deltrap(gtmp);
37.   				} else if(!gtmp->gflag&SEEN) {
38.   					gtmp->gflag |= SEEN;
39.   					if(!vism_at(zx,zy)) atl(zx,zy,'^');
40.   					num++;
41.   				}
42.   			} else if(mtmp = m_at(zx,zy)) if(mtmp->mimic){
43.   				seemimic(mtmp);
44.   				num++;
45.   			}
46.   		}
47.    return(num);
48.   }
49.   
50.   dosearch()
51.   {
52.   	register xchar x,y;
53.   	register struct gen *tgen;
54.   	register struct monst *mtmp;
55.   
56.   	for(x = u.ux-1; x < u.ux+2; x++)
57.   	for(y = u.uy-1; y < u.uy+2; y++) if(x != u.ux || y != u.uy) {
58.   		if(levl[x][y].typ == SDOOR && !rn2(7)) {
59.   			levl[x][y].typ = DOOR;
60.   			levl[x][y].seen = 0;	/* force prl */
61.   			prl(x,y);
62.   			nomul(0);
63.   		} else if(levl[x][y].typ == SCORR && !rn2(7)) {
64.   			levl[x][y].typ = CORR;
65.   			levl[x][y].seen = 0;	/* force prl */
66.   			prl(x,y);
67.   			nomul(0);
68.   		} else {
69.   			if(mtmp = m_at(x,y)) if(mtmp->mimic){
70.   				seemimic(mtmp);
71.   				pline("You find a mimic.");
72.   				return(1);
73.   			}
74.   			for(tgen = ftrap;tgen;tgen = tgen->ngen)
75.   			if(tgen->gx == x && tgen->gy == y &&
76.   			   !(tgen->gflag & SEEN) && !rn2(8)) {
77.   				nomul(0);
78.   				pline("You find a%s.",
79.   					traps[tgen->gflag]);
80.   				if(tgen->gflag == PIERC) {
81.   					deltrap(tgen);
82.   					(void) makemon(PM_PIERC,x,y);
83.   					return(1);
84.   				}
85.   				tgen->gflag |= SEEN;
86.   				if(!vism_at(x,y)) atl(x,y,'^');
87.   			}
88.   		}
89.   	}
90.    return(1);
91.   }
92.   
93.   /* ARGSUSED */
94.   doidtrap(str) /* register */ char *str; {
95.   register struct gen *tgen;
96.   register int x,y;
97.   	if(!getdir()) return(0);
98.   	x = u.ux + u.dx;
99.   	y = u.uy + u.dy;
100.  	for(tgen = ftrap; tgen; tgen = tgen->ngen)
101.  		if(tgen->gx == x && tgen->gy == y &&
102.  		   (tgen->gflag & SEEN)) {
103.  			pline("That is a%s.", traps[tgen->gflag & ~SEEN]);
104.  			return(0);
105.  		}
106.  	pline("I can't see a trap there.");
107.  	return(0);
108.  }
109.  
110.  wakeup(mtmp)
111.  register struct monst *mtmp;
112.  {
113.  	mtmp->msleep = 0;
114.  	setmangry(mtmp);
115.  	if(mtmp->mimic) seemimic(mtmp);
116.  }
117.  
118.  /* NOTE: we must check if(mtmp->mimic) before calling this routine */
119.  seemimic(mtmp)
120.  register struct monst *mtmp;
121.  {
122.  		mtmp->mimic = 0;
123.  		unpmon(mtmp);
124.  		pmon(mtmp);
125.  }