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seta75D
424
games/hack/hack.trap.c
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424
games/hack/hack.trap.c
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#ifndef lint
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static char sccsid[] = "@(#)hack.trap.c 1.1 94/10/31 SMI";
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#endif
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/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
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/* hack.trap.c - version 1.0.2 */
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#include "hack.h"
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extern struct monst *makemon();
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char vowels[] = "aeiou";
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char *traps[] = {
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" bear trap",
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"n arrow trap",
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" dart trap",
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" trapdoor",
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" teleportation trap",
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" pit",
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" sleeping gas trap",
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" piercer",
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" mimic"
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};
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struct trap *
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maketrap(x,y,typ)
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register x,y,typ;
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{
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register struct trap *ttmp;
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ttmp = newtrap();
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ttmp->ttyp = typ;
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ttmp->tseen = 0;
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ttmp->once = 0;
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ttmp->tx = x;
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ttmp->ty = y;
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ttmp->ntrap = ftrap;
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ftrap = ttmp;
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return(ttmp);
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}
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dotrap(trap) register struct trap *trap; {
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register int ttype = trap->ttyp;
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nomul(0);
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if(trap->tseen && !rn2(5) && ttype != PIT)
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pline("You escape a%s.", traps[ttype]);
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else {
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trap->tseen = 1;
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switch(ttype) {
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case SLP_GAS_TRAP:
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pline("A cloud of gas puts you to sleep!");
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nomul(-rnd(25));
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break;
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case BEAR_TRAP:
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if(Levitation) {
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pline("You float over a bear trap.");
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break;
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}
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u.utrap = 4 + rn2(4);
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u.utraptype = TT_BEARTRAP;
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pline("A bear trap closes on your foot!");
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break;
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case PIERC:
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deltrap(trap);
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if(makemon(PM_PIERCER,u.ux,u.uy)) {
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pline("A piercer suddenly drops from the ceiling!");
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if(uarmh)
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pline("Its blow glances off your helmet.");
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else
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(void) thitu(3,d(4,6),"falling piercer");
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}
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break;
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case ARROW_TRAP:
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pline("An arrow shoots out at you!");
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if(!thitu(8,rnd(6),"arrow")){
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mksobj_at(ARROW, u.ux, u.uy);
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fobj->quan = 1;
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}
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break;
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case TRAPDOOR:
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if(!xdnstair) {
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pline("A trap door in the ceiling opens and a rock falls on your head!");
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if(uarmh) pline("Fortunately, you are wearing a helmet!");
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losehp(uarmh ? 2 : d(2,10),"falling rock");
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} else {
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register int newlevel = dlevel + 1;
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while(!rn2(4) && newlevel < 29)
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newlevel++;
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pline("A trap door opens up under you!");
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if(Levitation || u.ustuck) {
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pline("For some reason you don't fall in.");
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break;
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}
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goto_level(newlevel, FALSE);
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}
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break;
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case DART_TRAP:
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pline("A little dart shoots out at you!");
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if(thitu(7,rnd(3),"little dart")) {
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if(!rn2(6))
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poisoned("dart","poison dart");
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} else {
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mksobj_at(DART, u.ux, u.uy);
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fobj->quan = 1;
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}
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break;
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case TELEP_TRAP:
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if(trap->once) {
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deltrap(trap);
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newsym(u.ux,u.uy);
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vtele();
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} else {
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newsym(u.ux,u.uy);
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tele();
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}
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break;
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case PIT:
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if(Levitation) {
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pline("A pit opens up under you!");
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pline("You don't fall in!");
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break;
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}
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pline("You fall into a pit!");
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u.utrap = rn1(6,2);
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u.utraptype = TT_PIT;
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losehp(rnd(6),"fall into a pit");
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selftouch("Falling, you");
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break;
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default:
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impossible("You hit a trap of type %u", trap->ttyp);
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}
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}
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}
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mintrap(mtmp) register struct monst *mtmp; {
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register struct trap *trap = t_at(mtmp->mx, mtmp->my);
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register int wasintrap = mtmp->mtrapped;
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if(!trap) {
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mtmp->mtrapped = 0; /* perhaps teleported? */
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} else if(wasintrap) {
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if(!rn2(40)) mtmp->mtrapped = 0;
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} else {
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register int tt = trap->ttyp;
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int in_sight = cansee(mtmp->mx,mtmp->my);
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extern char mlarge[];
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if(mtmp->mtrapseen & (1 << tt)) {
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/* he has been in such a trap - perhaps he escapes */
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if(rn2(4)) return(0);
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}
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mtmp->mtrapseen |= (1 << tt);
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switch (tt) {
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case BEAR_TRAP:
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if(index(mlarge, mtmp->data->mlet)) {
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if(in_sight)
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pline("%s is caught in a bear trap!",
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Monnam(mtmp));
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else
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if(mtmp->data->mlet == 'o')
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pline("You hear the roaring of an angry bear!");
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mtmp->mtrapped = 1;
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}
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break;
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case PIT:
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if(!index("Eyw", mtmp->data->mlet)) {
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mtmp->mtrapped = 1;
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if(in_sight)
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pline("%s falls in a pit!", Monnam(mtmp));
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}
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break;
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case SLP_GAS_TRAP:
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if(!mtmp->msleep && !mtmp->mfroz) {
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mtmp->msleep = 1;
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if(in_sight)
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pline("%s suddenly falls asleep!",
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Monnam(mtmp));
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}
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break;
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case TELEP_TRAP:
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rloc(mtmp);
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if(in_sight && !cansee(mtmp->mx,mtmp->my))
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pline("%s suddenly disappears!",
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Monnam(mtmp));
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break;
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case ARROW_TRAP:
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if(in_sight) {
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pline("%s is hit by an arrow!",
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Monnam(mtmp));
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}
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mtmp->mhp -= 3;
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break;
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case DART_TRAP:
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if(in_sight) {
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pline("%s is hit by a dart!",
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Monnam(mtmp));
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}
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mtmp->mhp -= 2;
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/* not mondied here !! */
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break;
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case TRAPDOOR:
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if(!xdnstair) {
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mtmp->mhp -= 10;
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if(in_sight)
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pline("A trap door in the ceiling opens and a rock hits %s!", monnam(mtmp));
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break;
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}
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if(mtmp->data->mlet != 'w'){
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fall_down(mtmp);
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if(in_sight)
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pline("Suddenly, %s disappears out of sight.", monnam(mtmp));
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return(2); /* no longer on this level */
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}
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break;
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case PIERC:
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break;
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default:
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impossible("Some monster encountered a strange trap.");
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}
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}
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return(mtmp->mtrapped);
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}
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selftouch(arg) char *arg; {
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if(uwep && uwep->otyp == DEAD_COCKATRICE){
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pline("%s touch the dead cockatrice.", arg);
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pline("You turn to stone.");
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killer = objects[uwep->otyp].oc_name;
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done("died");
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}
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}
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float_up(){
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if(u.utrap) {
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if(u.utraptype == TT_PIT) {
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u.utrap = 0;
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pline("You float up, out of the pit!");
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} else {
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pline("You float up, only your leg is still stuck.");
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}
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} else
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pline("You start to float in the air!");
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}
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float_down(){
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register struct trap *trap;
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pline("You float gently to the ground.");
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if(trap = t_at(u.ux,u.uy))
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switch(trap->ttyp) {
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case PIERC:
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break;
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case TRAPDOOR:
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if(!xdnstair || u.ustuck) break;
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/* fall into next case */
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default:
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dotrap(trap);
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}
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pickup(1);
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}
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vtele() {
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#include "def.mkroom.h"
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register struct mkroom *croom;
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for(croom = &rooms[0]; croom->hx >= 0; croom++)
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if(croom->rtype == VAULT) {
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register x,y;
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x = rn2(2) ? croom->lx : croom->hx;
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y = rn2(2) ? croom->ly : croom->hy;
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if(teleok(x,y)) {
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teleds(x,y);
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return;
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}
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}
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tele();
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}
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tele() {
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extern coord getpos();
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coord cc;
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register int nux,nuy;
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if(Teleport_control) {
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pline("To what position do you want to be teleported?");
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cc = getpos(1, "the desired position"); /* 1: force valid */
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/* possible extensions: introduce a small error if
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magic power is low; allow transfer to solid rock */
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if(teleok(cc.x, cc.y)){
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teleds(cc.x, cc.y);
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return;
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}
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pline("Sorry ...");
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}
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do {
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nux = rnd(COLNO-1);
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nuy = rn2(ROWNO);
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} while(!teleok(nux, nuy));
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teleds(nux, nuy);
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}
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teleds(nux, nuy)
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register int nux,nuy;
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{
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if(Punished) unplacebc();
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unsee();
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u.utrap = 0;
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u.ustuck = 0;
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u.ux = nux;
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u.uy = nuy;
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setsee();
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if(Punished) placebc(1);
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if(u.uswallow){
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u.uswldtim = u.uswallow = 0;
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docrt();
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}
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nomul(0);
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(void) inshop();
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pickup(1);
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if(!Blind) read_engr_at(u.ux,u.uy);
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}
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teleok(x,y) register int x,y; { /* might throw him into a POOL */
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return( isok(x,y) && !IS_ROCK(levl[x][y].typ) && !m_at(x,y) &&
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!sobj_at(ENORMOUS_ROCK,x,y) && !t_at(x,y)
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);
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/* Note: gold is permitted (because of vaults) */
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}
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dotele() {
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extern char pl_character[];
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if(
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#ifdef WIZARD
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!wizard &&
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#endif WIZARD
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(!Teleportation || u.ulevel < 6 ||
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(pl_character[0] != 'W' && u.ulevel < 10))) {
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pline("You are not able to teleport at will.");
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return(0);
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}
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if(u.uhunger <= 100 || u.ustr < 6) {
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pline("You miss the strength for a teleport spell.");
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return(1);
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}
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tele();
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morehungry(100);
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return(1);
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}
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placebc(attach) int attach; {
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if(!uchain || !uball){
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impossible("Where are your chain and ball??");
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return;
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}
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uball->ox = uchain->ox = u.ux;
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uball->oy = uchain->oy = u.uy;
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if(attach){
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uchain->nobj = fobj;
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fobj = uchain;
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if(!carried(uball)){
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uball->nobj = fobj;
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fobj = uball;
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}
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}
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}
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unplacebc(){
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if(!carried(uball)){
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freeobj(uball);
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unpobj(uball);
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}
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freeobj(uchain);
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unpobj(uchain);
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}
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#define MAXLEVEL 40
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level_tele() {
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register int newlevel;
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if(Teleport_control) {
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char buf[BUFSZ];
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do {
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pline("To what level do you want to teleport? [type a number] ");
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getlin(buf);
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} while(!digit(buf[0]));
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newlevel = atoi(buf);
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} else {
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newlevel = 5 + rn2(20); /* 5 - 24 */
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if(dlevel == newlevel)
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if(!xdnstair) newlevel--; else newlevel++;
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}
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if(newlevel >= 30) {
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if(newlevel >= MAXLEVEL) newlevel = MAXLEVEL-1;
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pline("You arrive at the center of the earth ...");
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pline("Unfortunately it is here that hell is located.");
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if(Fire_resistance) {
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pline("But the fire doesn't seem to harm you.");
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} else {
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pline("You burn to a crisp.");
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dlevel = maxdlevel = newlevel;
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killer = "visit to the hell";
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done("burned");
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}
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}
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if(newlevel < 0) {
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newlevel = 0;
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pline("You are now high above the clouds ...");
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if(Levitation) {
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pline("You float gently down to earth.");
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done("escaped");
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}
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pline("Unfortunately, you don't know how to fly.");
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pline("You fall down a few thousand feet and break your neck.");
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dlevel = 0;
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killer = "fall";
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done("died");
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}
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if(newlevel == 0)
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done("escaped");
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goto_level(newlevel, FALSE);
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}
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