Source:NetHack 1.4f/wizard.c

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Below is the full text to wizard.c from the source code of NetHack 1.4f. To link to a particular line, write [[NetHack 1.4f/wizard.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: @(#)wizard.c	1.4	87/08/08
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* wizard.c - version 1.0.3 */
4.    
5.    /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
6.    /*	       - heavily modified to give the wiz balls.  (genat!mike)   */
7.    
8.    #include "hack.h"
9.    extern struct permonst pm_wizard;
10.   extern struct monst *makemon();
11.   
12.   #if defined(HARD) || defined(DGKMOD)
13.   char	nasties[] = "cdDeImoPTUVwxXz&\\,:;";
14.   #define WIZSHOT	    2
15.   #else
16.   #define	WIZSHOT	    6	/* one chance in WIZSHOT that wizard will try magic */
17.   #endif
18.   
19.   #define	BOLT_LIM    8	/* from this distance D and 1 will try to hit you */
20.   
21.   char wizapp[] = "@&DNPTUVXcemntx";
22.   
23.   #ifdef DGKMOD
24.   #define URETREATING(x,y) (movedist(u.ux,u.uy,x,y) > movedist(u.ux0,u.uy0,x,y))
25.   extern char mlarge[];
26.   
27.   movedist(x0, x1, y0, y1)
28.   {
29.   	register int absdx, absdy;
30.   
31.   	absdx = abs(x1 - x0);
32.   	absdy = abs(y1 - y0);
33.   
34.   	return (absdx + absdy - min(absdx, absdy));
35.   }
36.   #endif
37.   
38.   /* If he has found the Amulet, make the wizard appear after some time */
39.   amulet(){
40.   	register struct obj *otmp;
41.   	register struct monst *mtmp;
42.   
43.   	if(!flags.made_amulet || !flags.no_of_wizards)
44.   		return;
45.   	/* find wizard, and wake him if necessary */
46.   	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
47.   	    if(mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
48.   		for(otmp = invent; otmp; otmp = otmp->nobj)
49.   		    if(otmp->olet == AMULET_SYM && !otmp->spe) {
50.   			mtmp->msleep = 0;
51.   			if(dist(mtmp->mx,mtmp->my) > 2)
52.   			    pline(
53.       "You get the creepy feeling that somebody noticed your taking the Amulet."
54.   			    );
55.   			return;
56.   		    }
57.   }
58.   
59.   wiz_hit(mtmp)
60.   register struct monst *mtmp;
61.   {
62.   	/* if we have stolen or found the amulet, we disappear */
63.   	if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
64.   	    mtmp->minvent->spe == 0) {
65.   		/* vanish -- very primitive */
66.   		fall_down(mtmp);
67.   		return(1);
68.   	}
69.   
70.   	/* if it is lying around someplace, we teleport to it */
71.   	if(!carrying(AMULET_SYM)) {
72.   	    register struct obj *otmp;
73.   
74.   	    for(otmp = fobj; otmp; otmp = otmp->nobj)
75.   		if(otmp->olet == AMULET_SYM && !otmp->spe) {
76.   		    if((u.ux != otmp->ox || u.uy != otmp->oy) &&
77.   		       !m_at(otmp->ox, otmp->oy)) {
78.   
79.   			/* teleport to it and pick it up */
80.   			mtmp->mx = otmp->ox;
81.   			mtmp->my = otmp->oy;
82.   			freeobj(otmp);
83.   			mpickobj(mtmp, otmp);
84.   			pmon(mtmp);
85.   			return(0);
86.   		    }
87.   		    goto hithim;
88.   		}
89.   	    return(0);				/* we don't know where it is */
90.   	}
91.   hithim:
92.   	if(rn2(2)) {				/* hit - perhaps steal */
93.   
94.   	    /* if hit 1/20 chance of stealing amulet & vanish
95.   		- amulet is on level 26 again. */
96.   	    if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd))
97.   		&& !rn2(20) && stealamulet(mtmp))
98.   		;
99.   	}
100.  	else    inrange(mtmp);			/* try magic */
101.  	return(0);
102.  }
103.  
104.  #ifdef DGKMOD
105.  /* Check if a monster is carrying a particular item.
106.   */
107.  struct obj *
108.  m_carrying(mtmp, type)
109.  struct monst *mtmp;
110.  int type;
111.  {
112.  	register struct obj *otmp;
113.  
114.  	for(otmp = mtmp->minvent; otmp; otmp = otmp->nobj)
115.  		if(otmp->otyp == type)
116.  			return(otmp);
117.  	return((struct obj *) 0);
118.  }
119.  
120.  /* Remove an item from the monster's inventory.
121.   */
122.  m_useup(mon, obj)
123.  struct monst *mon;
124.  struct obj *obj;
125.  {
126.  	struct obj *otmp, *prev;
127.  
128.  	prev = ((struct obj *) 0);
129.  	for (otmp = mon->minvent; otmp; otmp = otmp->nobj) {
130.  		if (otmp == obj) {
131.  			if (prev)
132.  				prev->nobj = obj->nobj;
133.  			else
134.  				mon->minvent = obj->nobj;
135.  			free((char *) obj);
136.  			break;
137.  		}
138.  		prev = otmp;
139.  	}
140.  }
141.  
142.  m_throw(x, y, dx, dy, range, obj)
143.  register int x,y,dx,dy,range;		/* direction and range */
144.  register struct obj *obj;
145.  {
146.  	register struct monst *mtmp;
147.  	struct objclass *oclass = &objects[obj->otyp];
148.  	char sym = obj->olet;
149.  	int damage;
150.  	extern char *exclam();
151.  
152.  	bhitpos.x = x;
153.  	bhitpos.y = y;
154.  
155.  	if(sym) tmp_at(-1, sym);	/* open call */
156.  	while(range-- > 0) {
157.  		bhitpos.x += dx;
158.  		bhitpos.y += dy;
159.  		if(mtmp = m_at(bhitpos.x,bhitpos.y)) {
160.  			damage = index(mlarge, mtmp->data->mlet)
161.  				? oclass->wldam
162.  				: oclass->wsdam;
163.  #ifdef KAA
164.  # ifdef KOPS
165.  			if(obj->otyp == CREAM_PIE) damage = 0;
166.  # endif
167.  			if(mtmp->data->ac + 8 <= rnd(20))
168.  				miss(oclass->oc_name, mtmp);
169.  			else {
170.  #endif
171.  				hit(oclass->oc_name, mtmp, exclam(damage));
172.  				mtmp->mhp -= damage;
173.  				if(mtmp->mhp < 1) {
174.  					pline("%s is killed!", (Blind) ? "It" : Monnam(mtmp));
175.  					mondied(mtmp);
176.  				}
177.  				range = 0;
178.  #ifdef KAA
179.  # ifdef KOPS
180.  				if(obj->otyp == CREAM_PIE) {
181.  
182.  					pline("%s is blinded by the pie.", (Blind) ? "It" : Monnam(mtmp));
183.  					if(mtmp->msleep) mtmp->msleep = 0;
184.  					setmangry(mtmp);
185.  					mtmp->mcansee = 0;
186.  					mtmp->mblinded += rnd(25);
187.  					if (mtmp->mblinded <= 0)
188.  						mtmp->mblinded = 127;
189.  				} else
190.  # endif
191.  				    if(obj->otyp == ENORMOUS_ROCK) {
192.  					mksobj_at(ENORMOUS_ROCK, bhitpos.x, bhitpos.y);
193.  					fobj->quan=1;
194.  					stackobj(fobj);
195.  				}
196.  			}
197.  #endif
198.  		}
199.  		if (bhitpos.x == u.ux && bhitpos.y == u.uy) {
200.  			if (multi)
201.  				nomul(0);
202.  #ifdef KAA
203.  /* For giants throwing rocks, the rock which hits you shouldn't disappear. */
204.  # ifdef KOPS
205.  /* Cream pies must disappear if they hit or miss. */
206.  			{ int hit, blindinc, thitu();
207.  			 if (!(hit = thitu(8, (obj->otyp != CREAM_PIE) ? rnd(oclass->wldam) : 0, oclass->oc_name))
208.  			    && obj->otyp != CREAM_PIE
209.  # else
210.  			 if (!thitu(8, rnd(oclass->wldam), oclass->oc_name)
211.  # endif /* KOPS /**/
212.  			    || obj->otyp == ENORMOUS_ROCK) {
213.  #else
214.  			 if (!thitu(8, rnd(oclass->wldam), oclass->oc_name)) {
215.  #endif /* KAA /**/
216.  				mksobj_at(obj->otyp, u.ux, u.uy);
217.  				fobj->quan = 1;
218.  				stackobj(fobj);
219.  			 }
220.  #if defined(KAA) && defined(KOPS)
221.  			 if(hit && obj->otyp == CREAM_PIE) {
222.  			    if(!Blind)	pline("Yeech! You've been creamed.");
223.  			    else	pline("There's something sticky all over your face.");
224.  			    u.ucreamed += (blindinc = rnd(25));
225.  			    Blind += blindinc;
226.  			    seeoff(0);
227.  			 }
228.  			}
229.  #endif
230.  			range = 0;
231.  		}
232.  		tmp_at(bhitpos.x, bhitpos.y);
233.  	}
234.  	tmp_at(-1, -1);
235.  }
236.  #endif
237.  
238.  /* Return 1 if it's OK for the monster to move as well as (throw,
239.   * zap, etc).
240.   */
241.  inrange(mtmp)
242.  register struct monst *mtmp;
243.  {
244.  	register schar tx,ty;
245.  #ifdef DGKMOD
246.  	struct obj *otmp;
247.  	register xchar x, y;
248.  #endif
249.  	/* do nothing if cancelled (but make '1' say something) */
250.  	if(mtmp->data->mlet != '1' && mtmp->mcan) return(1);
251.  
252.  	/* spit fire only when both in a room or both in a corridor */
253.  	if(inroom(u.ux,u.uy) != inroom(mtmp->mx,mtmp->my)) return(1);
254.  	tx = u.ux - mtmp->mx;
255.  	ty = u.uy - mtmp->my;
256.  #ifdef DGKMOD
257.  	if ((!tx || !ty || abs(tx) == abs(ty))	/* straight line or diagonal */
258.  		&& movedist(tx, 0,  ty, 0) < BOLT_LIM) {
259.  		/* Check if there are any dead squares between.  If so,
260.  		 * it won't be possible to shoot.
261.  		 */
262.  		for (x = mtmp->mx, y = mtmp->my; x != u.ux || y != u.uy;
263.  				x += sgn(tx), y += sgn(ty))
264.  			if (!ACCESSIBLE(levl[x][y].typ))
265.  				return(1);
266.  
267.  		switch(mtmp->data->mlet) {
268.  #ifdef KOPS
269.  		case 'O':
270.  #endif
271.  #ifdef KAA
272.  		case '9':
273.  #endif
274.  		case 'K':
275.  		case 'C':
276.  		/* If you're coming toward the monster, the monster
277.  		 * should try to soften you up with arrows.  If you're
278.  		 * going away, you are probably hurt or running.  Give
279.  		 * chase, but if you're getting too far away, throw.
280.  		 */
281.  		x = mtmp->mx;
282.  		y = mtmp->my;
283.  #ifdef KOPS
284.  		otmp = (mtmp->data->mlet == 'O') ? m_carrying(mtmp, DART)
285.  # ifdef KAA
286.  		       : (mtmp->data->mlet == 'K') ? m_carrying(mtmp, CREAM_PIE)
287.  # endif
288.  #else
289.  		otmp = (mtmp->data->mlet == 'K') ? m_carrying(mtmp, DART)
290.  #endif
291.  #ifdef KAA
292.  			: (mtmp->data->mlet == '9') ? m_carrying(mtmp, ENORMOUS_ROCK)
293.  #endif
294.  			: m_carrying(mtmp, CROSSBOW_BOLT);
295.  		if (otmp && (!URETREATING(x,y)
296.  			|| !rn2(BOLT_LIM - movedist(x, u.ux, y, u.uy)))) {
297.  				m_throw(mtmp->mx, mtmp->my, sgn(tx), sgn(ty),
298.  					BOLT_LIM, otmp);
299.  				if (!--otmp->quan )
300.  					m_useup(mtmp, otmp);
301.  				return(0);
302.  			}
303.  		break;
304.  #else
305.  	if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
306.  	    || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){
307.  	    switch(mtmp->mappearance) {
308.  #endif
309.  	    case 'D':
310.  		/* spit fire in the direction of @ (not nec. hitting) */
311.  		buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
312.  		break;
313.  #ifdef HARD
314.  	    case '&':
315.  		demon_hit(mtmp);
316.  		break;
317.  #endif
318.  	    case '1':
319.  		if(rn2(WIZSHOT)) break;
320.  		/* if you zapped wizard with wand of cancellation,
321.  		he has to shake off the effects before he can throw
322.  		spells successfully.  Sometimes they fail anyway */
323.  		if(mtmp->mcan ||
324.  #ifdef HARD
325.  		   rn2(4)
326.  #else
327.  		   rn2(2)
328.  #endif
329.  		   ) {
330.  		    if(canseemon(mtmp))
331.  				pline("%s makes a gesture, then curses.",
332.  					Monnam(mtmp));
333.  		    else	pline("You hear mumbled cursing.");
334.  
335.  		    if(!rn2(3)) {
336.  			mtmp->mspeed = 0;
337.  			mtmp->minvis = 0;
338.  		    }
339.  		    if(!rn2(3))	mtmp->mcan = 0;
340.  
341.  		} else {
342.  		    if(canseemon(mtmp)){
343.  			if(!rn2(6) && !Invis) {
344.  			    pline("%s hypnotizes you.", Monnam(mtmp));
345.  			    nomul(-rn2(3) + 3);	/* bug fix by ab@unido */
346.  			    break;
347.  			} else
348.  			    pline("%s chants an incantation.", Monnam(mtmp));
349.  		    } else
350.  			    pline("You hear a mumbled incantation.");
351.  		    switch(rn2(Invis ? 5 : 6)) {
352.  		    case 0:
353.  			/* create a nasty monster from a deep level */
354.  			nasty();
355.  			break;
356.  		    case 1:
357.  			pline("\"Destroy the thief, my pets!\"");
358.  			aggravate();	/* aggravate all the monsters */
359.  			/* fall into next case */
360.  		    case 2:
361.  			if (flags.no_of_wizards == 1 && rnd(5) == 0)
362.  			    /* if only 1 wizard, clone himself */
363.  			    clonewiz(mtmp);
364.  			break;
365.  		    case 3:
366.  			if(mtmp->mspeed == MSLOW)	mtmp->mspeed = 0;
367.  			else				mtmp->mspeed = MFAST;
368.  			break;
369.  		    case 4:
370.  			mtmp->minvis = 1;
371.  			break;
372.  		    case 5:
373.  			/* Only if not Invisible */
374.  			pline("You hear a clap of thunder!");
375.  			/* shoot a bolt of fire or cold, or a sleep ray */
376.  			buzz(-rnd(3),mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
377.  			break;
378.  		    }
379.  		}
380.  	    }
381.  	    if(u.uhp < 1) done_in_by(mtmp);
382.  	}
383.  	return(1);
384.  }
385.  
386.  aggravate()
387.  {
388.  	register struct monst *mtmp;
389.  
390.  	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
391.  		mtmp->msleep = 0;
392.  		if(mtmp->mfroz && !rn2(5))
393.  			mtmp->mfroz = 0;
394.  	}
395.  }
396.  
397.  clonewiz(mtmp)
398.  register struct monst *mtmp;
399.  {
400.  	register struct monst *mtmp2;
401.  
402.  	if(mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) {
403.  		flags.no_of_wizards = 2;
404.  		unpmon(mtmp2);
405.  		mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)];
406.  		pmon(mtmp2);
407.  	}
408.  }
409.  
410.  nasty() {
411.  
412.  #ifdef HARD
413.  	register struct monst	*mtmp;
414.  	struct monst	*mkmon_at();
415.  	register int	i, nastynum;
416.  
417.  	nastynum = sizeof(nasties) - 1;
418.  
419.  	for(i = rnd(u.ulevel/3); i > 0; --i) {
420.  
421.  		if((mtmp = mkmon_at(nasties[rn2(nastynum)], u.ux, u.uy)))  {
422.  
423.  			mtmp->msleep = 0;
424.  			mtmp->mpeaceful = 0;
425.  		}
426.  	}
427.  #else
428.  	(void) makemon((struct permonst *)0, u.ux, u.uy);
429.  #endif
430.  	return(0);
431.  }
432.  
433.  #ifdef HARD
434.  /*	Here, we make trouble for the poor shmuck who actually	*/
435.  /*	managed to do in the Wizard.				*/
436.  intervene() {
437.  
438.  	switch(rn2(6)) {
439.  
440.  	    case 0:
441.  	    case 1:	pline("You feel vaguely nervous.");
442.  			break;
443.  	    case 2:	pline("You notice a black glow surrounding you.");
444.  			rndcurse();
445.  			break;
446.  	    case 3:	aggravate();
447.  			break;
448.  	    case 4:	nasty();
449.  			break;
450.  	    case 5:	resurrect();
451.  			break;
452.  	}
453.  }
454.  
455.  wizdead(mtmp)
456.  register struct monst	*mtmp;
457.  {
458.  	if(! u.udemigod)  {
459.  
460.  		u.udemigod = TRUE;
461.  		u.udg_cnt = rn1(250, 50);
462.  
463.  	/*  Make the wizard meaner the next time he appears  */
464.  		mtmp->data->mlevel++;
465.  		mtmp->data->ac--;
466.  	} else  
467.  		mtmp->data->mlevel++;
468.  }
469.  
470.  
471.  /*	Let's resurrect the wizard, for some unexpected fun.	*/
472.  resurrect() {
473.  register struct monst	*mtmp;
474.  
475.  	    if(mtmp = makemon(PM_WIZARD, u.ux, u.uy)) {
476.  
477.  		mtmp->msleep = 1;
478.  		flags.no_of_wizards = 1;
479.  		pline("A voice booms out...");
480.  		pline("\"So you thought you could kill me, fool.\"");
481.  	    }
482.  
483.  }
484.  #endif /* HARD /**/