Source:NetHack 3.2.0/write.c

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.

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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*/