animation fixes for tweening blends sync problem.

Author: jtwigg

cocos2d-ui/CCBReader/CCAnimationManager.m

@@ -387,9 +387,9 @@ - (void)runActionsForNode:(CCNode*)node sequenceProperty:(CCBSequenceProperty*)s
     CCActionSequence* seq = [CCActionSequence actionWithArray:actions];
     seq.tag = _animationManagerId;
     [seq startWithTarget:node];
-    if(startFrame == 0 && _loop) { // Ensure Sync
+    if(kf0.time > 0 || _loop) { // Ensure Sync
         [seq step:0];
-        [seq step:_runningSequence.time-kf0.time];
+        [seq step:_runningSequence.time-kf0.time - _runningSequence.tween];
     }
     [_currentActions addObject:seq];
 }
@@ -464,6 +464,7 @@ - (void)runAnimationsForSequenceId:(int)seqId tweenDuration:(float) tweenDuratio
 	// Set the running scene
     _runningSequence      = [self sequenceFromSequenceId:seqId];
     _runningSequence.time = 0.0f;
+	_runningSequence.tween = tweenDuration;
 
 	[self addSequenceCallBacks:seqId tweenDuration:tweenDuration startTime:0];
 

cocos2d-ui/CCBReader/CCBSequence.h

@@ -35,6 +35,7 @@
 @property (nonatomic,assign) int sequenceId;
 @property (nonatomic,assign) int chainedSequenceId;
 @property (nonatomic,assign) int loops; // @todo
+@property (nonatomic,assign) float tween;
 
 // Channels
 @property (nonatomic,strong) CCBSequenceProperty* callbackChannel;

cocos2d-ui/CCBReader/CCBsequence.m

@@ -42,6 +42,7 @@ - (id)init
 
     _callbackChannel   = nil;
     _soundChannel      = nil;
+	_tween			   = 0.0f;
 
     return self;
 }