again, things added on the current tick are ticked and painted on that
tick, but cleaned things up so that we don't choke if things are added or
removed from funny places.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2187 542714f4-19e9-0310-aa3c-eee0fc999fb1
so that we can ensure that only tick()ed media will be painted and so that
we aren't affected by additions and removals that happen during tick().
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2182 542714f4-19e9-0310-aa3c-eee0fc999fb1
during a call to tick() so that if it's subsequently painted we can be
assured that it's been ticked at least once previously.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1993 542714f4-19e9-0310-aa3c-eee0fc999fb1
Pulled out gobs of SpriteManager/AnimationManager functionality into
AbstractMediaManager.
The big change: sprites can have their render order fine-tuned like
animations.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1787 542714f4-19e9-0310-aa3c-eee0fc999fb1
Michael Bayne