414 lines
10 KiB
C
414 lines
10 KiB
C
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/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
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/* hack.dog.c - version 1.0.3 */
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#include "hack.h"
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#include "hack.mfndpos.h"
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extern struct monst *makemon();
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#include "def.edog.h"
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#include "def.mkroom.h"
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struct permonst li_dog =
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{ "little dog", 'd',2,18,6,1,6,sizeof(struct edog) };
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struct permonst dog =
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{ "dog", 'd',4,16,5,1,6,sizeof(struct edog) };
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struct permonst la_dog =
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{ "large dog", 'd',6,15,4,2,4,sizeof(struct edog) };
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makedog(){
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register struct monst *mtmp = makemon(&li_dog,u.ux,u.uy);
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if(!mtmp) return; /* dogs were genocided */
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initedog(mtmp);
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}
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initedog(mtmp) register struct monst *mtmp; {
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mtmp->mtame = mtmp->mpeaceful = 1;
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EDOG(mtmp)->hungrytime = 1000 + moves;
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EDOG(mtmp)->eattime = 0;
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EDOG(mtmp)->droptime = 0;
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EDOG(mtmp)->dropdist = 10000;
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EDOG(mtmp)->apport = 10;
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EDOG(mtmp)->whistletime = 0;
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}
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/* attach the monsters that went down (or up) together with @ */
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struct monst *mydogs = 0;
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struct monst *fallen_down = 0; /* monsters that fell through a trapdoor */
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/* they will appear on the next level @ goes to, even if he goes up! */
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losedogs(){
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register struct monst *mtmp;
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while(mtmp = mydogs){
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mydogs = mtmp->nmon;
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mtmp->nmon = fmon;
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fmon = mtmp;
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mnexto(mtmp);
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}
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while(mtmp = fallen_down){
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fallen_down = mtmp->nmon;
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mtmp->nmon = fmon;
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fmon = mtmp;
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rloc(mtmp);
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}
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}
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keepdogs(){
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register struct monst *mtmp;
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for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
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if(dist(mtmp->mx,mtmp->my) < 3 && follower(mtmp)
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&& !mtmp->msleep && !mtmp->mfroz) {
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relmon(mtmp);
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mtmp->nmon = mydogs;
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mydogs = mtmp;
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unpmon(mtmp);
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keepdogs(); /* we destroyed the link, so use recursion */
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return; /* (admittedly somewhat primitive) */
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}
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}
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fall_down(mtmp) register struct monst *mtmp; {
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relmon(mtmp);
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mtmp->nmon = fallen_down;
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fallen_down = mtmp;
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unpmon(mtmp);
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mtmp->mtame = 0;
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}
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/* return quality of food; the lower the better */
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#define DOGFOOD 0
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#define CADAVER 1
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#define ACCFOOD 2
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#define MANFOOD 3
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#define APPORT 4
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#define POISON 5
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#define UNDEF 6
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dogfood(obj) register struct obj *obj; {
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switch(obj->olet) {
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case FOOD_SYM:
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return(
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(obj->otyp == TRIPE_RATION) ? DOGFOOD :
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(obj->otyp < CARROT) ? ACCFOOD :
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(obj->otyp < CORPSE) ? MANFOOD :
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(poisonous(obj) || obj->age + 50 <= moves ||
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obj->otyp == DEAD_COCKATRICE)
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? POISON : CADAVER
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);
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default:
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if(!obj->cursed) return(APPORT);
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/* fall into next case */
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case BALL_SYM:
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case CHAIN_SYM:
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case ROCK_SYM:
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return(UNDEF);
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}
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}
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/* return 0 (no move), 1 (move) or 2 (dead) */
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dog_move(mtmp, after) register struct monst *mtmp; {
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register int nx,ny,omx,omy,appr,nearer,j;
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int udist,chi,i,whappr;
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register struct monst *mtmp2;
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register struct permonst *mdat = mtmp->data;
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register struct edog *edog = EDOG(mtmp);
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struct obj *obj;
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struct trap *trap;
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xchar cnt,chcnt,nix,niy;
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schar dogroom,uroom;
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xchar gx,gy,gtyp,otyp; /* current goal */
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coord poss[9];
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int info[9];
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#define GDIST(x,y) ((x-gx)*(x-gx) + (y-gy)*(y-gy))
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#define DDIST(x,y) ((x-omx)*(x-omx) + (y-omy)*(y-omy))
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if(moves <= edog->eattime) return(0); /* dog is still eating */
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omx = mtmp->mx;
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omy = mtmp->my;
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whappr = (moves - EDOG(mtmp)->whistletime < 5);
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if(moves > edog->hungrytime + 500 && !mtmp->mconf){
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mtmp->mconf = 1;
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mtmp->mhpmax /= 3;
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if(mtmp->mhp > mtmp->mhpmax)
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mtmp->mhp = mtmp->mhpmax;
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if(cansee(omx,omy))
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pline("%s is confused from hunger.", Monnam(mtmp));
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else pline("You feel worried about %s.", monnam(mtmp));
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} else
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if(moves > edog->hungrytime + 750 || mtmp->mhp < 1){
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if(cansee(omx,omy))
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pline("%s dies from hunger.", Monnam(mtmp));
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else
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pline("You have a sad feeling for a moment, then it passes.");
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mondied(mtmp);
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return(2);
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}
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dogroom = inroom(omx,omy);
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uroom = inroom(u.ux,u.uy);
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udist = dist(omx,omy);
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/* maybe we tamed him while being swallowed --jgm */
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if(!udist) return(0);
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/* if we are carrying sth then we drop it (perhaps near @) */
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/* Note: if apport == 1 then our behaviour is independent of udist */
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if(mtmp->minvent){
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if(!rn2(udist) || !rn2((int) edog->apport))
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if(rn2(10) < edog->apport){
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relobj(mtmp, (int) mtmp->minvis);
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if(edog->apport > 1) edog->apport--;
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edog->dropdist = udist; /* hpscdi!jon */
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edog->droptime = moves;
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}
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} else {
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if(obj = o_at(omx,omy)) if(!index("0_", obj->olet)){
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if((otyp = dogfood(obj)) <= CADAVER){
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nix = omx;
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niy = omy;
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goto eatobj;
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}
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if(obj->owt < 10*mtmp->data->mlevel)
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if(rn2(20) < edog->apport+3)
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if(rn2(udist) || !rn2((int) edog->apport)){
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freeobj(obj);
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unpobj(obj);
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/* if(levl[omx][omy].scrsym == obj->olet)
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newsym(omx,omy); */
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mpickobj(mtmp,obj);
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}
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}
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}
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/* first we look for food */
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gtyp = UNDEF; /* no goal as yet */
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#ifdef LINT
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gx = gy = 0; /* suppress 'used before set' message */
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#endif LINT
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for(obj = fobj; obj; obj = obj->nobj) {
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otyp = dogfood(obj);
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if(otyp > gtyp || otyp == UNDEF) continue;
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if(inroom(obj->ox,obj->oy) != dogroom) continue;
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if(otyp < MANFOOD &&
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(dogroom >= 0 || DDIST(obj->ox,obj->oy) < 10)) {
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if(otyp < gtyp || (otyp == gtyp &&
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DDIST(obj->ox,obj->oy) < DDIST(gx,gy))){
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gx = obj->ox;
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gy = obj->oy;
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gtyp = otyp;
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}
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} else
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if(gtyp == UNDEF && dogroom >= 0 &&
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uroom == dogroom &&
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!mtmp->minvent && edog->apport > rn2(8)){
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gx = obj->ox;
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gy = obj->oy;
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gtyp = APPORT;
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}
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}
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if(gtyp == UNDEF ||
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(gtyp != DOGFOOD && gtyp != APPORT && moves < edog->hungrytime)){
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if(dogroom < 0 || dogroom == uroom){
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gx = u.ux;
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gy = u.uy;
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#ifndef QUEST
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} else {
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int tmp = rooms[dogroom].fdoor;
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cnt = rooms[dogroom].doorct;
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gx = gy = FAR; /* random, far away */
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while(cnt--){
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if(dist(gx,gy) >
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dist(doors[tmp].x, doors[tmp].y)){
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gx = doors[tmp].x;
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gy = doors[tmp].y;
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}
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tmp++;
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}
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/* here gx == FAR e.g. when dog is in a vault */
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if(gx == FAR || (gx == omx && gy == omy)){
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gx = u.ux;
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gy = u.uy;
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}
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#endif QUEST
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}
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appr = (udist >= 9) ? 1 : (mtmp->mflee) ? -1 : 0;
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if(after && udist <= 4 && gx == u.ux && gy == u.uy)
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return(0);
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if(udist > 1){
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if(!IS_ROOM(levl[u.ux][u.uy].typ) || !rn2(4) ||
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whappr ||
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(mtmp->minvent && rn2((int) edog->apport)))
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appr = 1;
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}
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/* if you have dog food he'll follow you more closely */
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if(appr == 0){
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obj = invent;
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while(obj){
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if(obj->otyp == TRIPE_RATION){
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appr = 1;
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break;
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}
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obj = obj->nobj;
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}
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}
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} else appr = 1; /* gtyp != UNDEF */
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if(mtmp->mconf) appr = 0;
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if(gx == u.ux && gy == u.uy && (dogroom != uroom || dogroom < 0)){
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extern coord *gettrack();
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register coord *cp;
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cp = gettrack(omx,omy);
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if(cp){
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gx = cp->x;
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gy = cp->y;
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}
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}
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nix = omx;
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niy = omy;
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cnt = mfndpos(mtmp,poss,info,ALLOW_M | ALLOW_TRAPS);
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chcnt = 0;
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chi = -1;
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for(i=0; i<cnt; i++){
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nx = poss[i].x;
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ny = poss[i].y;
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if(info[i] & ALLOW_M){
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mtmp2 = m_at(nx,ny);
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if(mtmp2->data->mlevel >= mdat->mlevel+2 ||
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mtmp2->data->mlet == 'c')
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continue;
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if(after) return(0); /* hit only once each move */
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if(hitmm(mtmp, mtmp2) == 1 && rn2(4) &&
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mtmp2->mlstmv != moves &&
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hitmm(mtmp2,mtmp) == 2) return(2);
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return(0);
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}
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/* dog avoids traps */
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/* but perhaps we have to pass a trap in order to follow @ */
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if((info[i] & ALLOW_TRAPS) && (trap = t_at(nx,ny))){
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if(!trap->tseen && rn2(40)) continue;
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if(rn2(10)) continue;
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}
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/* dog eschewes cursed objects */
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/* but likes dog food */
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obj = fobj;
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while(obj){
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if(obj->ox != nx || obj->oy != ny)
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goto nextobj;
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if(obj->cursed) goto nxti;
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if(obj->olet == FOOD_SYM &&
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(otyp = dogfood(obj)) < MANFOOD &&
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(otyp < ACCFOOD || edog->hungrytime <= moves)){
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/* Note: our dog likes the food so much that he
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might eat it even when it conceals a cursed object */
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nix = nx;
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niy = ny;
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chi = i;
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eatobj:
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edog->eattime =
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moves + obj->quan * objects[obj->otyp].oc_delay;
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if(edog->hungrytime < moves)
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edog->hungrytime = moves;
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edog->hungrytime +=
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5*obj->quan * objects[obj->otyp].nutrition;
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mtmp->mconf = 0;
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if(cansee(nix,niy))
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pline("%s ate %s.", Monnam(mtmp), doname(obj));
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/* perhaps this was a reward */
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if(otyp != CADAVER)
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edog->apport += 200/(edog->dropdist+moves-edog->droptime);
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delobj(obj);
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goto newdogpos;
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}
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nextobj:
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obj = obj->nobj;
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}
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for(j=0; j<MTSZ && j<cnt-1; j++)
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if(nx == mtmp->mtrack[j].x && ny == mtmp->mtrack[j].y)
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if(rn2(4*(cnt-j))) goto nxti;
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/* Some stupid C compilers cannot compute the whole expression at once. */
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nearer = GDIST(nx,ny);
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nearer -= GDIST(nix,niy);
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nearer *= appr;
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if((nearer == 0 && !rn2(++chcnt)) || nearer<0 ||
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(nearer > 0 && !whappr &&
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((omx == nix && omy == niy && !rn2(3))
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|| !rn2(12))
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)){
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nix = nx;
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niy = ny;
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if(nearer < 0) chcnt = 0;
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chi = i;
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}
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nxti: ;
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}
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newdogpos:
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if(nix != omx || niy != omy){
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if(info[chi] & ALLOW_U){
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(void) hitu(mtmp, d(mdat->damn, mdat->damd)+1);
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return(0);
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}
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mtmp->mx = nix;
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|
|
mtmp->my = niy;
|
||
|
|
for(j=MTSZ-1; j>0; j--) mtmp->mtrack[j] = mtmp->mtrack[j-1];
|
||
|
|
mtmp->mtrack[0].x = omx;
|
||
|
|
mtmp->mtrack[0].y = omy;
|
||
|
|
}
|
||
|
|
if(mintrap(mtmp) == 2) /* he died */
|
||
|
|
return(2);
|
||
|
|
pmon(mtmp);
|
||
|
|
return(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* return roomnumber or -1 */
|
||
|
|
inroom(x,y) xchar x,y; {
|
||
|
|
#ifndef QUEST
|
||
|
|
register struct mkroom *croom = &rooms[0];
|
||
|
|
while(croom->hx >= 0){
|
||
|
|
if(croom->hx >= x-1 && croom->lx <= x+1 &&
|
||
|
|
croom->hy >= y-1 && croom->ly <= y+1)
|
||
|
|
return(croom - rooms);
|
||
|
|
croom++;
|
||
|
|
}
|
||
|
|
#endif QUEST
|
||
|
|
return(-1); /* not in room or on door */
|
||
|
|
}
|
||
|
|
|
||
|
|
tamedog(mtmp, obj)
|
||
|
|
register struct monst *mtmp;
|
||
|
|
register struct obj *obj;
|
||
|
|
{
|
||
|
|
register struct monst *mtmp2;
|
||
|
|
|
||
|
|
if(flags.moonphase == FULL_MOON && night() && rn2(6))
|
||
|
|
return(0);
|
||
|
|
|
||
|
|
/* If we cannot tame him, at least he's no longer afraid. */
|
||
|
|
mtmp->mflee = 0;
|
||
|
|
mtmp->mfleetim = 0;
|
||
|
|
if(mtmp->mtame || mtmp->mfroz ||
|
||
|
|
#ifndef NOWORM
|
||
|
|
mtmp->wormno ||
|
||
|
|
#endif NOWORM
|
||
|
|
mtmp->isshk || mtmp->isgd || index(" &@12", mtmp->data->mlet))
|
||
|
|
return(0); /* no tame long worms? */
|
||
|
|
if(obj) {
|
||
|
|
if(dogfood(obj) >= MANFOOD) return(0);
|
||
|
|
if(cansee(mtmp->mx,mtmp->my)){
|
||
|
|
pline("%s devours the %s.", Monnam(mtmp),
|
||
|
|
objects[obj->otyp].oc_name);
|
||
|
|
}
|
||
|
|
obfree(obj, (struct obj *) 0);
|
||
|
|
}
|
||
|
|
mtmp2 = newmonst(sizeof(struct edog) + mtmp->mnamelth);
|
||
|
|
*mtmp2 = *mtmp;
|
||
|
|
mtmp2->mxlth = sizeof(struct edog);
|
||
|
|
if(mtmp->mnamelth) (void) strcpy(NAME(mtmp2), NAME(mtmp));
|
||
|
|
initedog(mtmp2);
|
||
|
|
replmon(mtmp,mtmp2);
|
||
|
|
return(1);
|
||
|
|
}
|