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Source:NetHack 1.3d/dog.c

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Below is the full text to dog.c from the source code of NetHack 1.3d. To link to a particular line, write [[NetHack 1.3d/dog.c#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

Screenshots and source code from Hack are used under the CWI license.
1.    /*	SCCS Id: @(#)dog.c	1.3	87/07/14
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* dog.c - version 1.0.3 */
4.    
5.    #include	"hack.h"
6.    extern struct monst *makemon();
7.    #include "edog.h"
8.    #include "mkroom.h"
9.    
10.   struct permonst li_dog =
11.   	{ "little dog", 'd',2,18,6,0,1,6,sizeof(struct edog) };
12.   struct permonst dog =
13.   	{ "dog", 'd',4,16,5,0,1,6,sizeof(struct edog) };
14.   struct permonst la_dog =
15.   	{ "large dog", 'd',6,15,4,0,2,4,sizeof(struct edog) };
16.   
17.   struct monst *
18.   makedog(){
19.   register struct monst *mtmp = makemon(&li_dog,u.ux,u.uy);
20.   	if(!mtmp) return((struct monst *) 0); /* dogs were genocided */
21.   	initedog(mtmp);
22.   	return(mtmp);
23.   }
24.   
25.   initedog(mtmp) register struct monst *mtmp; {
26.   	mtmp->mtame = mtmp->mpeaceful = 1;
27.   #ifdef WALKIES
28.   	mtmp->mleashed = 0;
29.   #endif
30.   	EDOG(mtmp)->hungrytime = 1000 + moves;
31.   	EDOG(mtmp)->eattime = 0;
32.   	EDOG(mtmp)->droptime = 0;
33.   	EDOG(mtmp)->dropdist = 10000;
34.   	EDOG(mtmp)->apport = 10;
35.   	EDOG(mtmp)->whistletime = 0;
36.   }
37.   
38.   /* attach the monsters that went down (or up) together with @ */
39.   struct monst *mydogs = 0;
40.   struct monst *fallen_down = 0;	/* monsters that fell through a trapdoor */
41.   	/* they will appear on the next level @ goes to, even if he goes up! */
42.   
43.   losedogs(){
44.   register struct monst *mtmp;
45.   	while(mtmp = mydogs){
46.   		mydogs = mtmp->nmon;
47.   		mtmp->nmon = fmon;
48.   		fmon = mtmp;
49.   		mnexto(mtmp);
50.   	}
51.   	while(mtmp = fallen_down){
52.   		fallen_down = mtmp->nmon;
53.   		mtmp->nmon = fmon;
54.   #ifdef WALKIES
55.   		mtmp->mleashed = 0;
56.   #endif
57.   		fmon = mtmp;
58.   		rloc(mtmp);
59.   	}
60.   }
61.   
62.   keepdogs(){
63.   register struct monst *mtmp;
64.   	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
65.   	    if(dist(mtmp->mx,mtmp->my) < 3 && follower(mtmp)
66.   		&& !mtmp->msleep && !mtmp->mfroz) {
67.   #ifdef DGKMOD
68.   		/* Bug "fix" for worm changing levels collapsing dungeon
69.   		 */
70.   		if (mtmp->data->mlet == 'w') {
71.   			if (canseemon(mtmp) || (Blind && Telepat))
72.   				pline("The worm can't fit down the stairwell!");
73.   #ifdef WALKIES
74.   			pline("The leash slides off the slimy worm!");
75.   			mtmp->mleashed = 0;
76.   #endif
77.   			continue;
78.   		}
79.   #endif
80.   		relmon(mtmp);
81.   		mtmp->nmon = mydogs;
82.   		mydogs = mtmp;
83.   		unpmon(mtmp);
84.   		keepdogs();	/* we destroyed the link, so use recursion */
85.   		return;		/* (admittedly somewhat primitive) */
86.   	}
87.   }
88.   
89.   fall_down(mtmp) register struct monst *mtmp; {
90.   	relmon(mtmp);
91.   	mtmp->nmon = fallen_down;
92.   	fallen_down = mtmp;
93.   #ifdef WALKIES
94.   	if (mtmp->mleashed)  {
95.   
96.   		pline("The leash comes off!");
97.   		mtmp->mleashed = 0;
98.   	}
99.   #endif
100.  	unpmon(mtmp);
101.  	mtmp->mtame = 0;
102.  }
103.  
104.  /* return quality of food; the lower the better */
105.  dogfood(obj) register struct obj *obj; {
106.  	switch(obj->olet) {
107.  	case FOOD_SYM:
108.  	    return(
109.  		(obj->otyp == TRIPE_RATION) ? DOGFOOD :
110.  		(obj->otyp < CARROT) ? ACCFOOD :
111.  		(obj->otyp < CORPSE) ? MANFOOD :
112.  		(poisonous(obj) || obj->age + 50 <= moves ||
113.  		    obj->otyp == DEAD_COCKATRICE)
114.  			? POISON : CADAVER
115.  	    );
116.  	default:
117.  	    if(!obj->cursed) return(APPORT);
118.  	    /* fall into next case */
119.  	case BALL_SYM:
120.  	case CHAIN_SYM:
121.  	case ROCK_SYM:
122.  	    return(UNDEF);
123.  	}
124.  }
125.  
126.  /* return roomnumber or -1 */
127.  inroom(x,y) xchar x,y; {
128.  #ifndef QUEST
129.  	register struct mkroom *croom = &rooms[0];
130.  	while(croom->hx >= 0){
131.  		if(croom->hx >= x-1 && croom->lx <= x+1 &&
132.  		   croom->hy >= y-1 && croom->ly <= y+1)
133.  			return(croom - rooms);
134.  		croom++;
135.  	}
136.  #endif
137.  	return(-1);	/* not in room or on door */
138.  }
139.  
140.  tamedog(mtmp, obj)
141.  register struct monst *mtmp;
142.  register struct obj *obj;
143.  {
144.  	register struct monst *mtmp2;
145.  
146.  	/* worst case, at least he'll be peaceful. */
147.  	mtmp->mpeaceful = 1;
148.  	if(flags.moonphase == FULL_MOON && night() && rn2(6))
149.  		return(0);
150.  
151.  	/* If we cannot tame him, at least he's no longer afraid. */
152.  	mtmp->mflee = 0;
153.  	mtmp->mfleetim = 0;
154.  	if(mtmp->mtame || mtmp->mfroz ||
155.  #ifndef NOWORM
156.  	   mtmp->wormno ||
157.  #endif
158.  	   mtmp->isshk || mtmp->isgd || index(" @12", mtmp->data->mlet))
159.  		return(0);			/* no tame long worms? */
160.  	if(obj) {
161.  		if(dogfood(obj) >= MANFOOD) return(0);
162.  		if(cansee(mtmp->mx,mtmp->my)){
163.  			pline("%s devours the %s.", Monnam(mtmp),
164.  				objects[obj->otyp].oc_name);
165.  		}
166.  		obfree(obj, (struct obj *) 0);
167.  	}
168.  	mtmp2 = newmonst(sizeof(struct edog) + mtmp->mnamelth);
169.  	*mtmp2 = *mtmp;
170.  	mtmp2->mxlth = sizeof(struct edog);
171.  	if(mtmp->mnamelth) (void) strcpy(NAME(mtmp2), NAME(mtmp));
172.  	initedog(mtmp2);
173.  	replmon(mtmp,mtmp2);
174.  	return(1);
175.  }

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