You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
1.4 KiB
74 lines
1.4 KiB
package mightypork.utils.math.constraints.rect.caching;
|
|
|
|
|
|
import mightypork.utils.math.constraints.CachedConstraint;
|
|
import mightypork.utils.math.constraints.rect.Rect;
|
|
import mightypork.utils.math.constraints.rect.proxy.RectAdapter;
|
|
import mightypork.utils.math.constraints.rect.var.RectVar;
|
|
|
|
|
|
/**
|
|
* <p>
|
|
* A rect cache.
|
|
* </p>
|
|
* <p>
|
|
* Values are held in a caching VectVar, and digest caching is enabled by
|
|
* default.
|
|
* </p>
|
|
*
|
|
* @author Ondřej Hruška (MightyPork)
|
|
*/
|
|
public abstract class AbstractRectCache extends RectAdapter implements CachedConstraint<Rect> {
|
|
|
|
private final RectVar cache = Rect.makeVar();
|
|
private boolean inited = false;
|
|
private boolean cachingEnabled = true;
|
|
|
|
|
|
public AbstractRectCache() {
|
|
enableDigestCaching(true); // it changes only on poll
|
|
}
|
|
|
|
|
|
@Override
|
|
protected final Rect getSource()
|
|
{
|
|
if (!inited) poll();
|
|
|
|
return (cachingEnabled ? cache : getCacheSource());
|
|
}
|
|
|
|
|
|
@Override
|
|
public final void poll()
|
|
{
|
|
inited = true;
|
|
|
|
// poll source
|
|
final Rect source = getCacheSource();
|
|
source.markDigestDirty(); // poll cached
|
|
|
|
// store source value
|
|
cache.setTo(source);
|
|
|
|
markDigestDirty();
|
|
|
|
onConstraintChanged();
|
|
}
|
|
|
|
|
|
@Override
|
|
public final void enableCaching(boolean yes)
|
|
{
|
|
cachingEnabled = yes;
|
|
enableDigestCaching(yes);
|
|
}
|
|
|
|
|
|
@Override
|
|
public final boolean isCachingEnabled()
|
|
{
|
|
return cachingEnabled;
|
|
}
|
|
|
|
}
|
|
|