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161 lines
3.8 KiB
C
161 lines
3.8 KiB
C
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/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
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/* hack.o_init.c - version 1.0.3 */
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#include "config.h" /* for typedefs */
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#include "def.objects.h"
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#include "hack.onames.h" /* for LAST_GEM */
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extern char *index();
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int
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letindex(let) register char let; {
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register int i = 0;
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register char ch;
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while((ch = obj_symbols[i++]) != 0)
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if(ch == let) return(i);
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return(0);
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}
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init_objects(){
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register int i, j, first, last, sum, end;
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register char let, *tmp;
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/* init base; if probs given check that they add up to 100,
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otherwise compute probs; shuffle descriptions */
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end = SIZE(objects);
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first = 0;
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while( first < end ) {
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let = objects[first].oc_olet;
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last = first+1;
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while(last < end && objects[last].oc_olet == let
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&& objects[last].oc_name != NULL)
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last++;
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i = letindex(let);
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if((!i && let != ILLOBJ_SYM) || bases[i] != 0)
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error("initialization error");
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bases[i] = first;
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if(let == GEM_SYM)
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setgemprobs();
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check:
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sum = 0;
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for(j = first; j < last; j++) sum += objects[j].oc_prob;
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if(sum == 0) {
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for(j = first; j < last; j++)
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objects[j].oc_prob = (100+j-first)/(last-first);
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goto check;
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}
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if(sum != 100)
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error("init-prob error for %c", let);
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if(objects[first].oc_descr != NULL && let != TOOL_SYM){
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/* shuffle, also some additional descriptions */
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while(last < end && objects[last].oc_olet == let)
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last++;
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j = last;
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while(--j > first) {
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i = first + rn2(j+1-first);
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tmp = objects[j].oc_descr;
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objects[j].oc_descr = objects[i].oc_descr;
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objects[i].oc_descr = tmp;
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}
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}
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first = last;
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}
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}
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probtype(let) register char let; {
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register int i = bases[letindex(let)];
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register int prob = rn2(100);
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while((prob -= objects[i].oc_prob) >= 0) i++;
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if(objects[i].oc_olet != let || !objects[i].oc_name)
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panic("probtype(%c) error, i=%d", let, i);
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return(i);
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}
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setgemprobs()
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{
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register int j,first;
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extern xchar dlevel;
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first = bases[letindex(GEM_SYM)];
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for(j = 0; j < 9-dlevel/3; j++)
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objects[first+j].oc_prob = 0;
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first += j;
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if(first >= LAST_GEM || first >= SIZE(objects) ||
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objects[first].oc_olet != GEM_SYM ||
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objects[first].oc_name == NULL)
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printf("Not enough gems? - first=%d j=%d LAST_GEM=%d\n",
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first, j, LAST_GEM);
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for(j = first; j < LAST_GEM; j++)
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objects[j].oc_prob = (20+j-first)/(LAST_GEM-first);
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}
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oinit() /* level dependent initialization */
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{
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setgemprobs();
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}
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extern long *alloc();
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savenames(fd) register fd; {
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register int i;
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unsigned len;
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bwrite(fd, (char *) bases, sizeof bases);
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bwrite(fd, (char *) objects, sizeof objects);
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/* as long as we use only one version of Hack/Quest we
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need not save oc_name and oc_descr, but we must save
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oc_uname for all objects */
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for(i=0; i < SIZE(objects); i++) {
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if(objects[i].oc_uname) {
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len = strlen(objects[i].oc_uname)+1;
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bwrite(fd, (char *) &len, sizeof len);
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bwrite(fd, objects[i].oc_uname, len);
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}
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}
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}
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restnames(fd) register fd; {
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register int i;
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unsigned len;
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mread(fd, (char *) bases, sizeof bases);
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mread(fd, (char *) objects, sizeof objects);
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for(i=0; i < SIZE(objects); i++) if(objects[i].oc_uname) {
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mread(fd, (char *) &len, sizeof len);
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objects[i].oc_uname = (char *) alloc(len);
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mread(fd, objects[i].oc_uname, len);
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}
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}
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dodiscovered() /* free after Robert Viduya */
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{
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extern char *typename();
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register int i, end;
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int ct = 0;
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cornline(0, "Discoveries");
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end = SIZE(objects);
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for (i = 0; i < end; i++) {
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if (interesting_to_discover (i)) {
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ct++;
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cornline(1, typename(i));
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}
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}
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if (ct == 0) {
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pline ("You haven't discovered anything yet...");
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cornline(3, (char *) 0);
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} else
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cornline(2, (char *) 0);
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return(0);
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}
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interesting_to_discover(i)
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register int i;
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{
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return(
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objects[i].oc_uname != NULL ||
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(objects[i].oc_name_known && objects[i].oc_descr != NULL)
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);
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}
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