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Source:NetHack 3.1.0/worn.c

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Below is the full text to worn.c from the source code of NetHack 3.1.0. To link to a particular line, write [[NetHack 3.1.0/worn.c#line123]], for example.

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

The NetHack General Public License applies to screenshots, source code and other content from NetHack.
1.    /*	SCCS Id: @(#)worn.c	3.1	92/12/13
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    
5.    #include "hack.h"
6.    
7.    static void FDECL(rel_1_obj, (struct monst *,struct obj *));
8.    
9.    const struct worn {
10.   	long w_mask;
11.   	struct obj **w_obj;
12.   } worn[] = {
13.   	{ W_ARM, &uarm },
14.   	{ W_ARMC, &uarmc },
15.   	{ W_ARMH, &uarmh },
16.   	{ W_ARMS, &uarms },
17.   	{ W_ARMG, &uarmg },
18.   	{ W_ARMF, &uarmf },
19.   #ifdef TOURIST
20.   	{ W_ARMU, &uarmu },
21.   #endif
22.   	{ W_RINGL, &uleft },
23.   	{ W_RINGR, &uright },
24.   	{ W_WEP, &uwep },
25.   	{ W_AMUL, &uamul },
26.   	{ W_TOOL, &ublindf },
27.   	{ W_BALL, &uball },
28.   	{ W_CHAIN, &uchain },
29.   	{ 0, 0 }
30.   };
31.   
32.   void
33.   setworn(obj, mask)
34.   register struct obj *obj;
35.   long mask;
36.   {
37.   	register const struct worn *wp;
38.   	register struct obj *oobj;
39.   
40.   	for(wp = worn; wp->w_mask; wp++) if(wp->w_mask & mask) {
41.   		oobj = *(wp->w_obj);
42.   		if(oobj && !(oobj->owornmask & wp->w_mask))
43.   			impossible("Setworn: mask = %ld.", wp->w_mask);
44.   		if(oobj) {
45.   		    oobj->owornmask &= ~wp->w_mask;
46.   		    /* leave as "x = x <op> y", here and below, for broken
47.   		     * compilers */
48.   		    u.uprops[objects[oobj->otyp].oc_oprop].p_flgs = 
49.   			    u.uprops[objects[oobj->otyp].oc_oprop].p_flgs & 
50.   				~wp->w_mask;
51.   		    if (oobj->oartifact) set_artifact_intrinsic(oobj, 0, mask);
52.   		}
53.   		*(wp->w_obj) = obj;
54.   		if(obj) {
55.   		    obj->owornmask |= wp->w_mask;
56.   		/* prevent getting intrinsics from wielding potions, etc... */
57.   		/* wp_mask should be same as mask at this point */
58.   		    if(obj->oclass == WEAPON_CLASS || mask != W_WEP) {
59.   			u.uprops[objects[obj->otyp].oc_oprop].p_flgs = 
60.   			    u.uprops[objects[obj->otyp].oc_oprop].p_flgs | 
61.   				wp->w_mask;
62.   			if (obj->oartifact) set_artifact_intrinsic(obj,1,mask);
63.   		    } else if(obj->oartifact)
64.   			set_artifact_intrinsic(obj,1,mask);
65.   		}
66.   	}
67.   }
68.   
69.   /* called e.g. when obj is destroyed */
70.   void
71.   setnotworn(obj)
72.   register struct obj *obj;
73.   {
74.   	register const struct worn *wp;
75.   
76.   	if (!obj) return;
77.   	for(wp = worn; wp->w_mask; wp++)
78.   		if(obj == *(wp->w_obj)) {
79.   			*(wp->w_obj) = 0;
80.   			u.uprops[objects[obj->otyp].oc_oprop].p_flgs = 
81.   				u.uprops[objects[obj->otyp].oc_oprop].p_flgs & 
82.   					~wp->w_mask;
83.   			obj->owornmask &= ~wp->w_mask;
84.   			if (obj->oartifact)
85.   			    set_artifact_intrinsic(obj, 0, wp->w_mask);
86.   		}
87.   }
88.   
89.   #ifdef MUSE
90.   int
91.   find_mac(mon)
92.   register struct monst *mon;
93.   {
94.   	register struct obj *obj;
95.   	int base = mon->data->ac;
96.   	long mwflags = mon->misc_worn_check;
97.   
98.   	for(obj = mon->minvent; obj; obj = obj->nobj) {
99.   		if (obj->owornmask & mwflags)
100.  			base -= ARM_BONUS(obj);
101.  	}
102.  	return base;
103.  }
104.  
105.  /* Wear first object of that type it finds, and never switch unless it
106.   * has none at all.  This means that monsters with leather armor never
107.   * switch to plate mail, but it also avoids the overhead of having seven
108.   * struct obj *s for every monster in the game, more if we ever extend this.
109.   */
110.  void
111.  m_dowear(mon, creation)
112.  register struct monst *mon;
113.  boolean creation;
114.  {
115.  	register struct obj *obj;
116.  
117.  	/* Note the restrictions here are the same as in dowear in do_wear.c
118.  	 * except for the additional restriction on intelligence.  (Players
119.  	 * are always intelligent, even if polymorphed).
120.  	 */
121.  	if (verysmall(mon->data) || nohands(mon->data)) return;
122.  	if (is_animal(mon->data) || mindless(mon->data)) return;
123.  
124.  	for(obj = mon->minvent; obj; obj = obj->nobj) {
125.  		long flag;
126.  
127.  # ifdef TOURIST
128.  		if (obj->otyp == HAWAIIAN_SHIRT) flag = W_ARMU;
129.  		else
130.  # endif
131.  		if (is_cloak(obj)) flag = W_ARMC;
132.  		else if (is_helmet(obj)) flag = W_ARMH;
133.  		else if (is_shield(obj)) {
134.  			if (MON_WEP(mon) && bimanual(MON_WEP(mon)))
135.  				continue;
136.  			flag = W_ARMS;
137.  		} else if (is_gloves(obj)) {
138.  			if (MON_WEP(mon) && MON_WEP(mon)->cursed)
139.  				continue;
140.  		    flag = W_ARMG;
141.  		} else if (is_boots(obj)) flag = W_ARMF;
142.  		else if (obj->oclass == ARMOR_CLASS) {
143.  #ifdef POLYSELF
144.  			if (cantweararm(mon->data))
145.  				continue;
146.  #endif
147.  			flag = W_ARM;
148.  		} else continue;
149.  		if (mon->misc_worn_check & flag) continue;
150.  			/* already wearing one */
151.  		if (!creation && canseemon(mon)) {
152.  			pline("%s puts on %s.", Monnam(mon),
153.  						distant_name(obj, doname));
154.  			mon->mfrozen = objects[obj->otyp].oc_delay;
155.  			if (mon->mfrozen) mon->mcanmove = 0;
156.  		}
157.  		mon->misc_worn_check |= flag;
158.  		obj->owornmask |= flag;
159.  	}
160.  }
161.  
162.  struct obj *
163.  which_armor(mon, flag)
164.  struct monst *mon;
165.  long flag;
166.  {
167.  	register struct obj *obj;
168.  
169.  	for(obj = mon->minvent; obj; obj = obj->nobj)
170.  		if (obj->owornmask & flag) return obj;
171.  	return((struct obj *)0);
172.  }
173.  
174.  static void
175.  rel_1_obj(mon, obj)
176.  struct monst *mon;
177.  struct obj *obj;
178.  {
179.  	struct obj *otmp;
180.  	struct obj *backobj = (struct obj *)0;
181.  
182.  	for(otmp = mon->minvent; otmp; otmp = otmp->nobj) {
183.  		if (obj == otmp) {
184.  			if (!backobj) mon->minvent = otmp->nobj;
185.  			else backobj->nobj = otmp->nobj;
186.  			place_object(otmp, mon->mx, mon->my);
187.  			otmp->nobj = fobj;
188.  			fobj = otmp;
189.  			if (cansee(mon->mx, mon->my)) newsym(mon->mx, mon->my);
190.  			return;
191.  		}
192.  		backobj = otmp;
193.  	}
194.  	impossible("%s has %s missing?", Monnam(mon), xname(obj));
195.  }
196.  
197.  void
198.  mon_break_armor(mon)
199.  struct monst *mon;
200.  {
201.  	register struct obj *otmp;
202.  	struct permonst *mdat = mon->data;
203.  	boolean vis = cansee(mon->mx, mon->my);
204.  	const char *pronoun, *ppronoun;
205.  
206.  	switch(gender(mon)) {
207.  	    case 0: pronoun = "him"; ppronoun = "his"; break;
208.  	    case 1: pronoun = ppronoun = "her"; break;
209.  	    default: pronoun = "it"; ppronoun = "its"; break;
210.  	}
211.  	if (breakarm(mdat)) {
212.  	    if (otmp = which_armor(mon, W_ARM)) {
213.  		if (vis)
214.  		    pline("%s breaks out of %s armor!", Monnam(mon), ppronoun);
215.  		else
216.  		    You("hear a cracking sound.");
217.  		mon->misc_worn_check &= ~W_ARM;
218.  		m_useup(mon, otmp);
219.  	    }
220.  	    if (otmp = which_armor(mon, W_ARMC)) {
221.  		if (otmp->oartifact) {
222.  		    if (vis)
223.  			pline("%s cloak falls off!", s_suffix(Monnam(mon)));
224.  		    mon->misc_worn_check &= ~W_ARMC;
225.  		    otmp->owornmask &= ~W_ARMC;
226.  		    rel_1_obj(mon, otmp);
227.  		} else {
228.  		    if (vis)
229.  			pline("%s cloak tears apart!", s_suffix(Monnam(mon)));
230.  		    else
231.  			You("hear a ripping sound.");
232.  		    mon->misc_worn_check &= ~W_ARMC;
233.  		    m_useup(mon, otmp);
234.  		}
235.  	    }
236.  # ifdef TOURIST
237.  	    if (otmp = which_armor(mon, W_ARMU)) {
238.  		if (vis)
239.  		    pline("%s shirt rips to shreds!", s_suffix(Monnam(mon)));
240.  		else
241.  		    You("hear a ripping sound.");
242.  		mon->misc_worn_check &= ~W_ARMU;
243.  		m_useup(mon, otmp);
244.  	    }
245.  # endif
246.          } else if (sliparm(mdat)) {
247.  	    if (otmp = which_armor(mon, W_ARM)) {
248.  		if (vis)
249.  		    pline("%s armor falls around %s!", 
250.  			         s_suffix(Monnam(mon)), pronoun);
251.  		else
252.  		    You("hear a thud.");
253.  		mon->misc_worn_check &= ~W_ARM;
254.  		otmp->owornmask &= ~W_ARM;
255.  		rel_1_obj(mon, otmp);
256.  	    }
257.  	    if (otmp = which_armor(mon, W_ARMC)) {
258.  		if (vis)
259.  		    if (is_whirly(mon->data))
260.  			pline("%s cloak falls, unsupported!", 
261.  			             s_suffix(Monnam(mon)));
262.  		    else
263.  			pline("%s shrinks out of %s cloak!", Monnam(mon),
264.  								ppronoun);
265.  		mon->misc_worn_check &= ~W_ARMC;
266.  		otmp->owornmask &= ~W_ARMC;
267.  		rel_1_obj(mon, otmp);
268.  	    }
269.  # ifdef TOURIST
270.  	    if (otmp = which_armor(mon, W_ARMU)) {
271.  		if (vis)
272.  		    if (sliparm(mon->data))
273.  			pline("%s seeps right through %s shirt!",
274.  					Monnam(mon), ppronoun);
275.  		    else
276.  			pline("%s becomes much too small for %s shirt!",
277.  					Monnam(mon), ppronoun);
278.  		mon->misc_worn_check &= ~W_ARMU;
279.  		otmp->owornmask &= ~W_ARMU;
280.  		rel_1_obj(mon, otmp);
281.  	    }
282.  # endif
283.  	}
284.  	if (nohands(mdat) || verysmall(mdat)) {
285.  	    if (otmp = which_armor(mon, W_ARMG)) {
286.  		if (vis)
287.  		    pline("%s drops %s gloves%s!", Monnam(mon), ppronoun,
288.  					MON_WEP(mon) ? " and weapon" : "");
289.  		possibly_unwield(mon);
290.  		mon->misc_worn_check &= ~W_ARMG;
291.  		otmp->owornmask &= ~W_ARMG;
292.  		rel_1_obj(mon, otmp);
293.  	    }
294.  	    if (otmp = which_armor(mon, W_ARMS)) {
295.  		if (vis)
296.  		    pline("%s can no longer hold %s shield!", Monnam(mon),
297.  								ppronoun);
298.  		else
299.  		    You("hear a clank.");
300.  		mon->misc_worn_check &= ~W_ARMS;
301.  		otmp->owornmask &= ~W_ARMS;
302.  		rel_1_obj(mon, otmp);
303.  	    }
304.  	    if (otmp = which_armor(mon, W_ARMH)) {
305.  		if (vis)
306.  		    pline("%s helmet falls to the floor!", 
307.  			           s_suffix(Monnam(mon)));
308.  		else
309.  		    You("hear a clank.");
310.  		mon->misc_worn_check &= ~W_ARMH;
311.  		otmp->owornmask &= ~W_ARMH;
312.  		rel_1_obj(mon, otmp);
313.  	    }
314.  	    if (otmp = which_armor(mon, W_ARMF)) {
315.  		if (vis) {
316.  		    if (is_whirly(mon->data))
317.  			pline("%s boots fall away!", 
318.  			               s_suffix(Monnam(mon)));
319.  		    else pline("%s boots %s off %s feet!", 
320.  			s_suffix(Monnam(mon)),
321.  			verysmall(mdat) ? "slide" : "are pushed", ppronoun);
322.  		}
323.  		mon->misc_worn_check &= ~W_ARMF;
324.  		otmp->owornmask &= ~W_ARMF;
325.  		rel_1_obj(mon, otmp);
326.  	    }
327.  	}
328.  }
329.  #endif
330.  
331.  /*worn.c*/

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