Source:NetHack 2.3e/o init.c

Below is the full text to o_init.c from the source code of NetHack 2.3e. To link to a particular line, write [[NetHack 2.3e/o_init.c#line123]], for example.

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1.    /*	SCCS Id: @(#)o_init.c	2.3	88/01/24
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    
4.    #include	"config.h"		/* for typedefs */
5.    #include	"objects.h"
6.    #include	"onames.h"		/* for LAST_GEM */
7.    extern char *index();
8.    
9.    int
10.   letindex(let) register char let; {
11.   register int i = 0;
12.   register char ch;
13.   	while((ch = obj_symbols[i++]) != 0)
14.   		if(ch == let) return(i);
15.   	return(0);
16.   }
17.   
18.   init_objects(){
19.   register int i, j, first, last, sum, end;
20.   register char let, *tmp;
21.   
22.   	/* bug fix to prevent "initialization error" abort on Intel Xenix.
23.   	 * reported by mikew@semike
24.   	 */
25.           for(i = 0; i != sizeof(obj_symbols); i++)
26.                   bases[i] = 0;
27.   
28.   	/* init base; if probs given check that they add up to 100, 
29.   	   otherwise compute probs; shuffle descriptions */
30.   	end = SIZE(objects);
31.   	first = 0;
32.   	while( first < end ) {
33.   		let = objects[first].oc_olet;
34.   		last = first+1;
35.   		while(last < end && objects[last].oc_olet == let
36.   				 && objects[last].oc_name != NULL) last++;
37.   		i = letindex(let);
38.   		if((!i && let != ILLOBJ_SYM) || bases[i] != 0)
39.   			error("initialization error");
40.   		bases[i] = first;
41.   
42.   		if(let == GEM_SYM) setgemprobs();
43.   	check:
44.   		sum = 0;
45.   		for(j = first; j < last; j++) sum += objects[j].oc_prob;
46.   		if(sum == 0) {
47.   			for(j = first; j < last; j++)
48.   			    objects[j].oc_prob = (100+j-first)/(last-first);
49.   			goto check;
50.   		}
51.   		if(sum != 100)
52.   			error("init-prob error for %c (%d%%)", let, sum);
53.   
54.   		if(objects[first].oc_descr != NULL && let != TOOL_SYM){
55.   			/* shuffle, also some additional descriptions */
56.   			while(last < end && objects[last].oc_olet == let)
57.   				last++;
58.   			j = last;
59.   			if (let == GEM_SYM) {
60.   			    while(--j > first)
61.   				/* NOTE:  longest color name must be default */
62.   				if(!strcmp(objects[j].oc_name,"turquoise")) {
63.   				    if(rn2(2)) /* change from green? */
64.   					strcpy(objects[j].oc_descr,"blue");
65.   				} else if (!strcmp(objects[j].oc_name,"aquamarine")) {
66.   				    if(rn2(2)) /* change from green? */
67.   					strcpy(objects[j].oc_descr,"blue");
68.   				} else if (!strcmp(objects[j].oc_name,"fluorite")) {
69.   				    switch (rn2(4)) { /* change from violet? */
70.   					case 0:  break;
71.   					case 1:
72.   					    strcpy(objects[j].oc_descr,"blue");
73.   					    break;
74.   					case 2:
75.   					    strcpy(objects[j].oc_descr,"white");
76.   					    break;
77.   					case 3:
78.   					    strcpy(objects[j].oc_descr,"green");
79.   					    break;
80.   					}
81.   				}
82.   			} else
83.   			    while(--j > first) {
84.   				i = first + rn2(j+1-first);
85.   				tmp = objects[j].oc_descr;
86.   				objects[j].oc_descr = objects[i].oc_descr;
87.   				objects[i].oc_descr = tmp;
88.   			    }
89.   		}
90.   		first = last;
91.   	}
92.   }
93.   
94.   probtype(let) register char let; {
95.   register int i = bases[letindex(let)];
96.   register int prob = rn2(100);
97.   	while((prob -= objects[i].oc_prob) >= 0) i++;
98.   	if(objects[i].oc_olet != let || !objects[i].oc_name)
99.   		panic("probtype(%c) error, i=%d", let, i);
100.  	return(i);
101.  }
102.  
103.  setgemprobs()
104.  {
105.  	register int j,first;
106.  	extern xchar dlevel;
107.  
108.  	first = bases[letindex(GEM_SYM)];
109.  
110.  	for(j = 0; j < 9-dlevel/3; j++)
111.  		objects[first+j].oc_prob = 0;
112.  	first += j;
113.  	if(first >= LAST_GEM || first >= SIZE(objects) ||
114.  	    objects[first].oc_olet != GEM_SYM ||
115.  	    objects[first].oc_name == NULL)
116.  		printf("Not enough gems? - first=%d j=%d LAST_GEM=%d\n",
117.  			first, j, LAST_GEM);
118.  	for(j = first; j < LAST_GEM; j++)
119.  		objects[j].oc_prob = (18+j-first)/(LAST_GEM-first);
120.  }
121.  
122.  oinit()			/* level dependent initialization */
123.  {
124.  	setgemprobs();
125.  }
126.  
127.  extern long *alloc();
128.  
129.  savenames(fd) register fd; {
130.  register int i;
131.  unsigned len;
132.  struct objclass *now = &objects[0];
133.  	bwrite(fd, (char *) &now, sizeof now);
134.  	bwrite(fd, (char *) bases, sizeof bases);
135.  	bwrite(fd, (char *) objects, sizeof objects);
136.  	/* as long as we use only one version of Hack/Quest we
137.  	   need not save oc_name and oc_descr, but we must save
138.  	   oc_uname for all objects */
139.  	for(i=0; i < SIZE(objects); i++) {
140.  		if(objects[i].oc_uname) {
141.  			len = strlen(objects[i].oc_uname)+1;
142.  			bwrite(fd, (char *) &len, sizeof len);
143.  			bwrite(fd, objects[i].oc_uname, len);
144.  		}
145.  	}
146.  }
147.  
148.  restnames(fd) register fd; {
149.  register int i;
150.  unsigned len;
151.  struct objclass *then;
152.  long differ;
153.  	mread(fd, (char *) &then, sizeof then);
154.  	mread(fd, (char *) bases, sizeof bases);
155.  	mread(fd, (char *) objects, sizeof objects);
156.  #ifndef MSDOS
157.  	differ = (char *)&objects[0] - (char *)then;
158.  #else
159.  	differ = (long)&objects[0] - (long)then;
160.  #endif
161.  	for(i=0; i < SIZE(objects); i++) {
162.  		if (objects[i].oc_name) {
163.  #ifndef MSDOS
164.  			objects[i].oc_name += differ;
165.  #else
166.  			objects[i].oc_name =
167.  			    (char *)((long)(objects[i].oc_name) + differ);
168.  #endif
169.  		}
170.  		if (objects[i].oc_descr) {
171.  #ifndef MSDOS
172.  			objects[i].oc_descr += differ;
173.  #else
174.  			objects[i].oc_descr =
175.  			    (char *)((long)(objects[i].oc_descr) + differ);
176.  #endif
177.  		}
178.  		if (objects[i].oc_uname) {
179.  			mread(fd, (char *) &len, sizeof len);
180.  			objects[i].oc_uname = (char *) alloc(len);
181.  			mread(fd, objects[i].oc_uname, len);
182.  		}
183.  	}
184.  }
185.  
186.  dodiscovered()				/* free after Robert Viduya */
187.  {
188.      extern char *typename();
189.      register int i, end;
190.      int	ct = 0;
191.  #ifdef DGKMOD
192.      char class = -1;
193.      extern char *let_to_name();
194.  #endif
195.  
196.      cornline(0, "Discoveries");
197.  
198.      end = SIZE(objects);
199.      for (i = 0; i < end; i++) {
200.  	if (interesting_to_discover (i)) {
201.  	    ct++;
202.  #ifdef DGKMOD
203.  	    if (objects[i].oc_olet != class) {
204.  		class = objects[i].oc_olet;
205.  		cornline(1, let_to_name(class));
206.  	    }
207.  #endif
208.  	    cornline(1, typename(i));
209.  	}
210.      }
211.      if (ct == 0) {
212.  	pline ("You haven't discovered anything yet...");
213.  	cornline(3, (char *) 0);
214.      } else
215.  	cornline(2, (char *) 0);
216.  
217.      return(0);
218.  }
219.  
220.  interesting_to_discover(i)
221.  register int i;
222.  {
223.      return(
224.  	objects[i].oc_uname != NULL ||
225.  	 (objects[i].oc_name_known && objects[i].oc_descr != NULL)
226.      );
227.  }
228.  
229.  init_corpses() {
230.  
231.  #ifdef SPIDERS
232.  	strcpy(objects[DEAD_GIANT_SPIDER].oc_name, "dead giant spider");
233.  #endif
234.  
235.  #ifdef KOPS
236.  	strcpy(objects[DEAD_KOP].oc_name, "dead Kop");
237.  # endif
238.  
239.  #ifdef ROCKMOLE
240.  	strcpy(objects[DEAD_ROCKMOLE].oc_name, "dead rockmole");
241.  #endif
242.  
243.  #ifndef KAA
244.  	strcpy(objects[DEAD_QUASIT].oc_name, "dead quasit");
245.  	strcpy(objects[DEAD_VIOLET_FUNGI].oc_name, "dead violet fungi");
246.  #endif
247.  	return(0);
248.  }