freebsd-dev/games/hack/hack.search.c

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/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.search.c - version 1.0.3 */
#include "hack.h"
extern struct monst *makemon();
findit() /* returns number of things found */
{
int num;
register xchar zx,zy;
register struct trap *ttmp;
register struct monst *mtmp;
xchar lx,hx,ly,hy;
if(u.uswallow) return(0);
for(lx = u.ux; (num = levl[lx-1][u.uy].typ) && num != CORR; lx--) ;
for(hx = u.ux; (num = levl[hx+1][u.uy].typ) && num != CORR; hx++) ;
for(ly = u.uy; (num = levl[u.ux][ly-1].typ) && num != CORR; ly--) ;
for(hy = u.uy; (num = levl[u.ux][hy+1].typ) && num != CORR; hy++) ;
num = 0;
for(zy = ly; zy <= hy; zy++)
for(zx = lx; zx <= hx; zx++) {
if(levl[zx][zy].typ == SDOOR) {
levl[zx][zy].typ = DOOR;
atl(zx, zy, '+');
num++;
} else if(levl[zx][zy].typ == SCORR) {
levl[zx][zy].typ = CORR;
atl(zx, zy, CORR_SYM);
num++;
} else if(ttmp = t_at(zx, zy)) {
if(ttmp->ttyp == PIERC){
(void) makemon(PM_PIERCER, zx, zy);
num++;
deltrap(ttmp);
} else if(!ttmp->tseen) {
ttmp->tseen = 1;
if(!vism_at(zx, zy))
atl(zx,zy,'^');
num++;
}
} else if(mtmp = m_at(zx,zy)) if(mtmp->mimic){
seemimic(mtmp);
num++;
}
}
return(num);
}
dosearch()
{
register xchar x,y;
register struct trap *trap;
register struct monst *mtmp;
if(u.uswallow)
pline("What are you looking for? The exit?");
else
for(x = u.ux-1; x < u.ux+2; x++)
for(y = u.uy-1; y < u.uy+2; y++) if(x != u.ux || y != u.uy) {
if(levl[x][y].typ == SDOOR) {
if(rn2(7)) continue;
levl[x][y].typ = DOOR;
levl[x][y].seen = 0; /* force prl */
prl(x,y);
nomul(0);
} else if(levl[x][y].typ == SCORR) {
if(rn2(7)) continue;
levl[x][y].typ = CORR;
levl[x][y].seen = 0; /* force prl */
prl(x,y);
nomul(0);
} else {
/* Be careful not to find anything in an SCORR or SDOOR */
if(mtmp = m_at(x,y)) if(mtmp->mimic){
seemimic(mtmp);
pline("You find a mimic.");
return(1);
}
for(trap = ftrap; trap; trap = trap->ntrap)
if(trap->tx == x && trap->ty == y &&
!trap->tseen && !rn2(8)) {
nomul(0);
pline("You find a%s.", traps[trap->ttyp]);
if(trap->ttyp == PIERC) {
deltrap(trap);
(void) makemon(PM_PIERCER,x,y);
return(1);
}
trap->tseen = 1;
if(!vism_at(x,y)) atl(x,y,'^');
}
}
}
return(1);
}
doidtrap() {
register struct trap *trap;
register int x,y;
if(!getdir(1)) return(0);
x = u.ux + u.dx;
y = u.uy + u.dy;
for(trap = ftrap; trap; trap = trap->ntrap)
if(trap->tx == x && trap->ty == y && trap->tseen) {
if(u.dz)
if((u.dz < 0) != (!xdnstair && trap->ttyp == TRAPDOOR))
continue;
pline("That is a%s.", traps[trap->ttyp]);
return(0);
}
pline("I can't see a trap there.");
return(0);
}
wakeup(mtmp)
register struct monst *mtmp;
{
mtmp->msleep = 0;
setmangry(mtmp);
if(mtmp->mimic) seemimic(mtmp);
}
/* NOTE: we must check if(mtmp->mimic) before calling this routine */
seemimic(mtmp)
register struct monst *mtmp;
{
mtmp->mimic = 0;
mtmp->mappearance = 0;
unpmon(mtmp);
pmon(mtmp);
}