pc-hack

PC HACK 3.61 source code (archival)
git clone http://frotz.net/git/pc-hack.git
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search.c (3256B)


      1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
      2 /* search.c - version 1.0.3 */
      3 
      4 #include "hack.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 trap *ttmp;
     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 #ifdef DGK
     27 				atl(zx, zy, symbol.door);
     28 #else
     29 				atl(zx, zy, '+');
     30 #endif /* DGK /**/
     31 				num++;
     32 			} else if(levl[zx][zy].typ == SCORR) {
     33 				levl[zx][zy].typ = CORR;
     34 #ifdef DGK
     35 				atl(zx, zy, symbol.corr);
     36 #else
     37 				atl(zx, zy, CORR_SYM);
     38 #endif /* DGK /**/
     39 				num++;
     40 			} else if(ttmp = t_at(zx, zy)) {
     41 				if(ttmp->ttyp == PIERC){
     42 					(void) makemon(PM_PIERCER, zx, zy);
     43 					num++;
     44 					deltrap(ttmp);
     45 				} else if(!ttmp->tseen) {
     46 					ttmp->tseen = 1;
     47 					if(!vism_at(zx, zy))
     48 						atl(zx,zy,'^');
     49 					num++;
     50 				}
     51 			} else if(mtmp = m_at(zx,zy)) if(mtmp->mimic){
     52 				seemimic(mtmp);
     53 				num++;
     54 			}
     55 		}
     56 	return(num);
     57 }
     58 
     59 dosearch()
     60 {
     61 	register xchar x,y;
     62 	register struct trap *trap;
     63 	register struct monst *mtmp;
     64 
     65 	if(u.uswallow)
     66 		pline("What are you looking for? The exit?");
     67 	else
     68 	for(x = u.ux-1; x < u.ux+2; x++)
     69 	for(y = u.uy-1; y < u.uy+2; y++) if(x != u.ux || y != u.uy) {
     70 		if(levl[x][y].typ == SDOOR) {
     71 			if(rn2(7)) continue;
     72 			levl[x][y].typ = DOOR;
     73 			levl[x][y].seen = 0;	/* force prl */
     74 			prl(x,y);
     75 			nomul(0);
     76 		} else if(levl[x][y].typ == SCORR) {
     77 			if(rn2(7)) continue;
     78 			levl[x][y].typ = CORR;
     79 			levl[x][y].seen = 0;	/* force prl */
     80 			prl(x,y);
     81 			nomul(0);
     82 		} else {
     83 		/* Be careful not to find anything in an SCORR or SDOOR */
     84 			if(mtmp = m_at(x,y)) if(mtmp->mimic){
     85 				seemimic(mtmp);
     86 				pline("You find a mimic.");
     87 				return(1);
     88 			}
     89 			for(trap = ftrap; trap; trap = trap->ntrap)
     90 			if(trap->tx == x && trap->ty == y &&
     91 			   !trap->tseen && !rn2(8)) {
     92 				nomul(0);
     93 				pline("You find a%s.", traps[trap->ttyp]);
     94 				if(trap->ttyp == PIERC) {
     95 					deltrap(trap);
     96 					(void) makemon(PM_PIERCER,x,y);
     97 					return(1);
     98 				}
     99 				trap->tseen = 1;
    100 				if(!vism_at(x,y)) atl(x,y,'^');
    101 			}
    102 		}
    103 	}
    104 	return(1);
    105 }
    106 
    107 doidtrap() {
    108 register struct trap *trap;
    109 register int x,y;
    110 	if(!getdir(1)) return(0);
    111 	x = u.ux + u.dx;
    112 	y = u.uy + u.dy;
    113 	for(trap = ftrap; trap; trap = trap->ntrap)
    114 		if(trap->tx == x && trap->ty == y && trap->tseen) {
    115 		    if(u.dz)
    116 			if((u.dz < 0) != (!xdnstair && trap->ttyp == TRAPDOOR))
    117 			    continue;
    118 		    pline("That is a%s.", traps[trap->ttyp]);
    119 		    return(0);
    120 		}
    121 	pline("I can't see a trap there.");
    122 	return(0);
    123 }
    124 
    125 wakeup(mtmp)
    126 register struct monst *mtmp;
    127 {
    128 	mtmp->msleep = 0;
    129 	setmangry(mtmp);
    130 	if(mtmp->mimic) seemimic(mtmp);
    131 }
    132 
    133 /* NOTE: we must check if(mtmp->mimic) before calling this routine */
    134 seemimic(mtmp)
    135 register struct monst *mtmp;
    136 {
    137 		mtmp->mimic = 0;
    138 		mtmp->mappearance = 0;
    139 		unpmon(mtmp);
    140 		pmon(mtmp);
    141 }