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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <Eris/InvisibleEntityCache.h>
#include <Eris/World.h>
#include <Eris/Log.h>
using namespace Time;
namespace Eris {
void InvisibleEntityCache::add(Entity *e)
{
assert(e);
/* if the first addition to the bucket (it's stamp) was longer ago that this time, we create a new
bucket, instead of extending the current one. This keeps the buckets reasonably localised in
time. */
Time::Stamp lastUpdateBound = Time::Stamp::now() - _bucketWidthMsec;
if (_buckets.empty() || (_buckets.front().stamp < lastUpdateBound)) {
/* keep the width (times spanned by a single bucket under control : typical values would
be a few seconds. Anything above 30 seconds is too much, if the 'view' is changing
fast, since the buckets will get enormous (hundreds of entities) */
Eris::log(LOG_DEBUG, "adding new IEC bucket, previous bucket has size %i",
_buckets.front().contents.size());
_buckets.push_front(_Bucket());
}
_buckets.front().add(e);
}
void InvisibleEntityCache::flush()
{
Time::Stamp expiry(Time::Stamp::now() - _bucketLifetimeMsec);
while (!_buckets.empty() && (_buckets.back().stamp < expiry)) {
for (EntitySet::iterator E=_buckets.back().contents.begin();
E!=_buckets.back().contents.end();++E) {
(*E)->getWorld()->flush(*E);
delete *E;
}
Eris::log(LOG_VERBOSE, "IEC flushed %i entities", _buckets.back().contents.size());
_buckets.pop_back();
}
}
}
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