Source:NetHack 3.2.0/write.c

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Below is the full text to write.c from the source code of NetHack 3.2.0. To link to a particular line, write [[NetHack 3.2.0/write.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.

This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.

1.    /*	SCCS Id: @(#)write.c	3.2	95/02/11	*/
2.    /* NetHack may be freely redistributed.  See license for details. */
3.    
4.    #include "hack.h"
5.    
6.    static int FDECL(cost,(struct obj *));
7.    
8.    /*
9.     * returns basecost of a scroll or a spellbook
10.    */
11.   static int
12.   cost(otmp)
13.   register struct obj *otmp;
14.   {
15.   
16.   	if (otmp->oclass == SPBOOK_CLASS)
17.   		return(10 * objects[otmp->otyp].oc_level);
18.   
19.   	switch (otmp->otyp) {
20.   # ifdef MAIL
21.   	case SCR_MAIL:
22.   		return(2);
23.   /*		break; */
24.   # endif
25.   	case SCR_LIGHT:
26.   	case SCR_GOLD_DETECTION:
27.   	case SCR_FOOD_DETECTION:
28.   	case SCR_MAGIC_MAPPING:
29.   	case SCR_AMNESIA:
30.   	case SCR_FIRE:
31.   		return(8);
32.   /*		break; */
33.   	case SCR_DESTROY_ARMOR:
34.   	case SCR_CREATE_MONSTER:
35.   	case SCR_PUNISHMENT:
36.   		return(10);
37.   /*		break; */
38.   	case SCR_CONFUSE_MONSTER:
39.   		return(12);
40.   /*		break; */
41.   	case SCR_IDENTIFY:
42.   		return(14);
43.   /*		break; */
44.   	case SCR_ENCHANT_ARMOR:
45.   	case SCR_REMOVE_CURSE:
46.   	case SCR_ENCHANT_WEAPON:
47.   	case SCR_CHARGING:
48.   		return(16);
49.   /*		break; */
50.   	case SCR_SCARE_MONSTER:
51.   	case SCR_TAMING:
52.   	case SCR_TELEPORTATION:
53.   		return(20);
54.   /*		break; */
55.   	case SCR_GENOCIDE:
56.   		return(30);
57.   /*		break; */
58.   	case SCR_BLANK_PAPER:
59.   	default:
60.   		impossible("You can't write such a weird scroll!");
61.   	}
62.   	return(1000);
63.   }
64.   
65.   static NEARDATA const char write_on[] = { SCROLL_CLASS, SPBOOK_CLASS, 0 };
66.   
67.   int
68.   dowrite(pen)
69.   register struct obj *pen;
70.   {
71.   	register struct obj *paper;
72.   	char namebuf[BUFSZ], *nm;
73.   	register struct obj *new_obj;
74.   	int basecost, actualcost;
75.   	int curseval;
76.   	char qbuf[QBUFSZ];
77.   	int first, last, i;
78.   	boolean by_descr = FALSE;
79.   	const char *typeword;
80.   
81.   	if (nohands(uasmon)) {
82.   	    You("need hands to be able to write!");
83.   	    return 0;
84.   	} else if (Glib) {
85.   	    dropx(pen);
86.   	    pline("%s slips from your %s.", The(xname(pen)),
87.   			makeplural(body_part(FINGER)));
88.   	    return 1;
89.   	}
90.   
91.   	/* get paper to write on */
92.   	paper = getobj(write_on,"write on");
93.   	if(!paper)
94.   		return(0);
95.   	typeword = (paper->oclass == SPBOOK_CLASS) ? "spellbook" : "scroll";
96.   	if(Blind && !paper->dknown) {
97.   		You("don't know if that %s is blank or not!", typeword);
98.   		return(1);
99.   	}
100.  	paper->dknown = 1;
101.  	if(paper->otyp != SCR_BLANK_PAPER && paper->otyp != SPE_BLANK_PAPER) {
102.  		pline("That %s is not blank!", typeword);
103.  		exercise(A_WIS, FALSE);
104.  		return(1);
105.  	}
106.  
107.  	/* what to write */
108.  	Sprintf(qbuf, "What type of %s do you want to write?", typeword);
109.  	getlin(qbuf, namebuf);
110.  	if(namebuf[0] == '\033' || !namebuf[0])
111.  		return(1);
112.  	nm = namebuf;
113.  	if (!strncmpi(nm, "scroll ", 7)) nm += 7;
114.  	else if (!strncmpi(nm, "spellbook ", 10)) nm += 10;
115.  	if (!strncmpi(nm, "of ", 3)) nm += 3;
116.  
117.  	if (paper->oclass == SPBOOK_CLASS) {
118.  		first = bases[SPBOOK_CLASS];
119.  		last = bases[SPBOOK_CLASS+1] - 1;
120.  	} else {
121.  		first = bases[SCROLL_CLASS];
122.  		last = bases[SCROLL_CLASS+1] - 1;
123.  	}
124.  
125.  	for (i=first; i<=last; i++) {
126.  		/* extra shufflable descr not representing a real object */
127.  		if (!OBJ_NAME(objects[i])) continue;
128.  
129.  		if (!strncmpi(OBJ_NAME(objects[i]), nm,
130.  		    strlen(OBJ_NAME(objects[i])))) goto found;
131.  		if (!strncmpi(OBJ_DESCR(objects[i]), nm,
132.  		    strlen(OBJ_DESCR(objects[i])))) {
133.  			by_descr = TRUE;
134.  			goto found;
135.  		}
136.  	}
137.  	pline("There is no such %s!", typeword);
138.  	return 1;
139.  found:
140.  
141.  	if (i == SCR_BLANK_PAPER || i == SPE_BLANK_PAPER) {
142.  		You_cant("write that!");
143.  		pline("It's obscene!");
144.  		return 1;
145.  	}
146.  
147.  	if (i == SPE_BOOK_OF_THE_DEAD) {
148.  		pline("No mere dungeon adventurer could write that.");
149.  		return 1;
150.  	}
151.  
152.  	new_obj = mksobj(i, FALSE, FALSE);
153.  	new_obj->bknown = (paper->bknown && pen->bknown);
154.  
155.  	/* shk imposes a flat rate per use, not based on actual charges used */
156.  	check_unpaid(pen);
157.  
158.  	/* see if there's enough ink */
159.  	basecost = cost(new_obj);
160.  	if(pen->spe < basecost/2)  {
161.  		Your("marker is too dry to write that!");
162.  		obfree(new_obj, (struct obj *) 0);
163.  		return(1);
164.  	}
165.  
166.  	/* we're really going to write now, so calculate cost
167.  	 */
168.  	actualcost = rn1(basecost/2,basecost/2);
169.  	curseval = bcsign(pen) + bcsign(paper);
170.  	exercise(A_WIS, TRUE);
171.  	/* dry out marker */
172.  	if(pen->spe < actualcost)  {
173.  		Your("marker dries out!");
174.  		/* scrolls disappear, spellbooks don't */
175.  		if (paper->oclass == SPBOOK_CLASS)
176.  			pline_The("spellbook is left unfinished.");
177.  		else {
178.  			pline_The("scroll is now useless and disappears!");
179.  			useup(paper);
180.  		}
181.  		pen->spe = 0;
182.  		obfree(new_obj, (struct obj *) 0);
183.  		return(1);
184.  	}
185.  	pen->spe -= actualcost;
186.  
187.  	/* can't write if we don't know it - unless we're lucky */
188.  	if(!(objects[new_obj->otyp].oc_name_known) &&
189.  	   !(objects[new_obj->otyp].oc_uname) &&
190.  	   !by_descr &&
191.  	   (rnl(Role_is('W') ? 3 : 15))) {
192.  		You("don't know how to write that!");
193.  		/* scrolls disappear, spellbooks don't */
194.  		if (paper->oclass == SPBOOK_CLASS)
195.  			You("write in your best handwriting:  \"My Diary\".");
196.  		else {
197.  			You("write \"%s was here!\" and the scroll disappears.",plname);
198.  			useup(paper);
199.  		}
200.  		obfree(new_obj, (struct obj *) 0);
201.  		return(1);
202.  	}
203.  
204.  	/* useup old scroll / spellbook */
205.  	useup(paper);
206.  
207.  	/* now you know it! */
208.  	if (!by_descr) makeknown(new_obj->otyp);
209.  
210.  	/* success */
211.  	new_obj->blessed = (curseval > 0);
212.  	new_obj->cursed = (curseval < 0);
213.  #ifdef MAIL
214.  	if (new_obj->otyp == SCR_MAIL) new_obj->spe = 1;
215.  #endif
216.  	new_obj = hold_another_object(new_obj, "Oops!  %s out of your grasp!",
217.  					       The(aobjnam(new_obj, "slip")),
218.  					       (const char *)0);
219.  	if (new_obj) new_obj->known = 1;
220.  	return(1);
221.  }
222.  
223.  /*write.c*/