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