void CacheList::locate(CacheItem *i, int local_only)
{
// dprintf("cache in %s, type %d, offset %d\n",crc_manager.get_filename(i->file_number),i->type,i->offset);
if (i->file_number!=last_file)
{
if (fp) delete fp;
if (last_dir) delete last_dir;
if (local_only)
fp=new jFILE(crc_manager.get_filename(i->file_number),"rb");
else
fp=open_file(crc_manager.get_filename(i->file_number),"rb");
if (fp->open_failure())
{
printf("Ooch. Could not open file %s\n",crc_manager.get_filename(i->file_number));
delete fp;
exit(0);
}
last_offset=-1;
last_dir=new spec_directory(fp);
last_file=i->file_number;
}
if (i->offset!=last_offset)
{
fp->seek(i->offset,SEEK_SET);
last_offset=i->offset;
}
used=1;
}
void CacheList::show_accessed()
{
int old=last_access,new_old_accessed;
CacheItem *ci,*new_old;
do
{
new_old_accessed=-1;
new_old=NULL;
ci=list;
for (int i=0; i<total; i++,ci++)
{
if (ci->last_access<old && ci->last_access>0 && ci->last_access>new_old_accessed)
{
new_old_accessed=ci->last_access;
new_old=ci;
}
}
if (new_old)
{
ci=new_old;
old=ci->last_access;
printf("type=(%20s) file=(%20s) access=(%6ld)\n",spec_types[ci->type],
crc_manager.get_filename(ci->file_number),
(long int)ci->last_access);
}
} while (new_old);
}
void CacheList::prof_write(bFILE *fp)
{
if (prof_data)
{
int *ordered_ids=(int *)malloc(sizeof(int)*total);
int i;
for (i=0; i<total; i++) ordered_ids[i]=i;
qsort(ordered_ids,total,sizeof(int),c_sorter);
if (fp)
{
fp->write_uint16(crc_manager.total_filenames());
for (i=0; i<crc_manager.total_filenames(); i++)
{
int l=strlen(crc_manager.get_filename(i))+1;
fp->write_uint8(l);
fp->write(crc_manager.get_filename(i),l);
}
int tsaved=0;
for (i=0; i<total; i++)
if (list[i].last_access>0) tsaved++;
fp->write_uint32(tsaved);
for (i=0; i<total; i++)
{
int id=ordered_ids[i];
if (list[id].last_access>0) // don't save unaccessed counts
{
fp->write_uint8(list[id].type); // save type, if type changed on reload
// don't cache in-> its a different refrence
fp->write_uint16(list[id].file_number);
fp->write_uint32(list[id].offset);
}
}
}
free(ordered_ids);
} else dprintf("Cache profiling was not initialized\n");
}
sound_effect *CacheList::sfx(int id) {
CacheItem *me = list + id;
CONDITION(id<total && id>=0 && me->file_number>=0, "Bad id");
if (me->last_access >= 0) {
touch(me);
// hold me, feel me, be me!
return (sound_effect *) me->data;
} else {
touch(me);
// hold me, feel me, be me!
char *fn = crc_manager.get_filename(me->file_number);
me->data = (void *) new sound_effect(fn);
return (sound_effect *) me->data;
}
}
int CacheList::prof_size() {
int size = 0; // count up the size for a spec enrty
size += 2; // total filenames
int i;
for (i = 0; i < crc_manager.total_filenames(); i++)
size += strlen(crc_manager.get_filename(i)) + 2; // filename + 0 + size of string
size += 4; // number of entries saved
for (i = 0; i < total; i++)
if (list[i].last_access > 0) // don't save unaccessed counts
size += 2 + 4 + 1; // filenumber & offset & type
return size;
}
void CacheList::load_cache_prof_info(char *filename, level *lev)
{
int j;
for (j=0; j<this->total; j++)
if (list[j].last_access>=0) // reset all loaded cache items to 0, all non-load to -1
list[j].last_access=0;
preload_cache(lev); // preliminary guesses at stuff to load
int load_fail=1;
bFILE *fp=open_file(filename,"rb");
if (!fp->open_failure())
{
spec_directory sd(fp);
spec_entry *se=sd.find("cache profile info"); // see if the cache profile info is in the file
if (se)
{
fp->seek(se->offset,0);
char name[255];
int tnames=0;
int *fnum_remap; // remaps old filenumbers into current ones
tnames=fp->read_uint16();
if (tnames) /// make sure there isn't bad info in the file
{
fnum_remap=(int *)malloc(sizeof(int)*tnames);
int i;
for (i=0; i<tnames; i++)
{
fp->read(name,fp->read_uint8());
fnum_remap[i]=-1; // initialize the map to no-map
int j;
for (j=0; j<crc_manager.total_filenames(); j++)
if (!strcmp(crc_manager.get_filename(j),name))
fnum_remap[i]=j;
}
int tsaved = fp->read_uint32();
int *priority=(int *)malloc(tsaved*sizeof(int));
memset(priority,0xff,tsaved*sizeof(int)); // initialize to -1
int tmatches=0;
sorted_id_list=(int *)malloc(sizeof(int)*total);
for (j=0; j<total; j++) sorted_id_list[j]=j;
qsort(sorted_id_list,total,sizeof(int),s_offset_compare);
for (i=0; i<tsaved; i++)
{
fp->read_uint8(); // read type
short file_num=fp->read_uint16();
if (file_num>=tnames) // bad data?
file_num=-1;
else file_num=fnum_remap[file_num];
uint32_t offset=fp->read_uint32();
// search for a match
j=search(sorted_id_list,file_num,offset);
if (j!=-1)
{
if (list[j].last_access<0) // if not loaded
list[j].last_access=-2; // mark as needing loading
else list[j].last_access=2; // mark as loaded and needing to stay that way
priority[i]=j;
tmatches++;
}
}
free(sorted_id_list); // was used for searching, no longer needed
for (j=0; j<total; j++)
if (list[j].last_access==0)
unmalloc(list+j); // free any cache entries that are not accessed at all in the level
ful=0;
int tcached=0;
for (j=0; j<total; j++) // now load all of the objects until full
{
// stat_man->update(j*70/total+25);
if (list[j].file_number>=0 && list[j].last_access==-2)
{
list[j].last_access=-1;
if (!ful)
{
switch (list[j].type)
{
case SPEC_BACKTILE : backt(j); break;
case SPEC_FORETILE : foret(j); break;
case SPEC_CHARACTER :
case SPEC_CHARACTER2 : fig(j); break;
case SPEC_IMAGE : img(j); break;
case SPEC_PARTICLE : part(j); break;
case SPEC_EXTERN_SFX : sfx(j); break;
case SPEC_EXTERNAL_LCACHE : lblock(j); break;
case SPEC_PALETTE : ctint(j); break;
}
tcached++;
}
}
}
load_fail=0;
// if (full())
// dprintf("Cache filled while loading\n");
if (tsaved>tmatches)
tmatches=tsaved+1;
last_access=tmatches+1;
for (i=0; i<tsaved; i++) // reorder the last access of each cache to reflect prioirties
{
if (priority[i]!=-1)
{
if (list[priority[i]].last_access!=-1) // make sure this wasn't the last item
list[priority[i]].last_access=tmatches--;
}
}
free(priority);
free(fnum_remap);
}
}
}
if (load_fail) // no cache file, go solely on above gueses
{
int j;
for (j=0; j<total; j++) // now load all of the objects until full, don't free old stuff
{
// stat_man->update(j*70/total+25);
if (list[j].file_number>=0 && list[j].last_access==-2)
{
list[j].last_access=-1;
if (!ful)
{
switch (list[j].type)
{
case SPEC_BACKTILE : backt(j); break;
case SPEC_FORETILE : foret(j); break;
case SPEC_CHARACTER :
case SPEC_CHARACTER2 : fig(j); break;
case SPEC_IMAGE : img(j); break;
case SPEC_PARTICLE : part(j); break;
case SPEC_EXTERN_SFX : sfx(j); break;
case SPEC_EXTERNAL_LCACHE : lblock(j); break;
case SPEC_PALETTE : ctint(j); break;
}
}
}
}
if (full())
dprintf("Cache filled while loading\n");
}
delete fp;
}