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Ensure that any media inserted between the call to tick() and the call to

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renderAllMedia() is ticked in all circumstances and ticked exactly once.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2411 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2003-04-15 21:27:22 +00:00
parent 7aeae0d4c3
commit 025cb91668
1 changed files with 24 additions and 7 deletions
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src/java/com/threerings/media/AbstractMediaManager.java
+24 -7
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@@ -1,5 +1,5 @@
//
// $Id: AbstractMediaManager.java,v 1.7 2003/01/18 22:25:30 mdb Exp $
// $Id: AbstractMediaManager.java,v 1.8 2003/04/15 21:27:22 mdb Exp $
package com.threerings.media;
@@ -50,6 +50,9 @@ public abstract class AbstractMediaManager
*/
public void renderMedia (Graphics2D gfx, int layer, Shape clip)
{
// now that we're rendering, we can safely clear this; see tick()
_tickStamp = 0;
for (int ii = 0, nn = _media.size(); ii < nn; ii++) {
AbstractMedia media = (AbstractMedia)_media.get(ii);
int order = media.getRenderOrder();
@@ -78,7 +81,9 @@ public abstract class AbstractMediaManager
_tickStamp = tickStamp;
tickAllMedia(tickStamp);
dispatchNotifications();
_tickStamp = 0;
// we clear our tick stamp when we've been painted, this lets us
// handle situations when yet more media is slipped in between our
// being ticked and our being painted
}
/**
@@ -139,11 +144,23 @@ public abstract class AbstractMediaManager
media.init(this);
int ipos = _media.insertSorted(media, RENDER_ORDER);
// if we're ticking, we need to adjust _tickpos and also tick this
// media if it was inserted behind our current tick position
if (ipos <= _tickpos) {
_tickpos++;
media.tick(_tickStamp);
// if we've started our tick but have not yet painted our media,
// we need to take care that this newly added media will be ticked
// before our upcoming render
if (_tickStamp > 0L) {
if (_tickpos == -1) {
// if we're done with our own call to tick(), we
// definitely need to tick this new media
media.tick(_tickStamp);
} else if (ipos <= _tickpos) {
// otherwise, we're in the middle of our call to tick()
// and we only need to tick this guy if he's being
// inserted before our current tick position (if he's
// inserted after our current position, we'll get to him
// as part of this tick iteration)
_tickpos++;
media.tick(_tickStamp);
}
}
return true;