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+/*
+ * cocos2d for iPhone: http://www.cocos2d-iphone.org
+ *
+ * Copyright (c) 2009 Sindesso Pty Ltd http://www.sindesso.com/
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+
+#import "CCTransitionPageTurn.h"
+#import "CCActionPageTurn3D.h"
+#import "CCDirector.h"
+
+@implementation CCTransitionPageTurn
+
+/** creates a base transition with duration and incoming scene */
++(id) transitionWithDuration:(ccTime) t scene:(CCScene*)s backwards:(BOOL) back
+{
+        return [[[self alloc] initWithDuration:t scene:s backwards:back] autorelease];
+}
+
+/** initializes a transition with duration and incoming scene */
+-(id) initWithDuration:(ccTime) t scene:(CCScene*)s backwards:(BOOL) back
+{
+        // XXX: needed before [super init]
+        back_ = back;
+
+        if( ( self = [super initWithDuration:t scene:s] ) )
+        {
+                // do something
+        }
+        return self;
+}
+
+-(void) sceneOrder
+{
+        inSceneOnTop_ = back_;
+}
+
+//
+-(void) onEnter
+{
+        [super onEnter];
+        
+        CGSize s = [[CCDirector sharedDirector] winSize];
+        int x, y;
+        if( s.width > s.height)
+        {
+                x = 16;
+                y = 12;
+        }
+        else
+        {
+                x = 12;
+                y = 16;
+        }
+        
+        id action  = [self actionWithSize:ccg(x,y)];
+        
+        if(! back_ )
+        {
+                [outScene_ runAction: [CCSequence actions:
+                                                          action,
+                                                          [CCCallFunc actionWithTarget:self selector:@selector(finish)],
+                                                          [CCStopGrid action],
+                                                          nil]
+                 ];
+        }
+        else
+        {
+                // to prevent initial flicker
+                inScene_.visible = NO;
+                [inScene_ runAction: [CCSequence actions:
+                                                         [CCShow action],
+                                                         action,
+                                                         [CCCallFunc actionWithTarget:self selector:@selector(finish)],
+                                                         [CCStopGrid action],
+                                                         nil]
+                 ];
+        }
+        
+}
+
+-(CCActionInterval*) actionWithSize: (ccGridSize) v
+{
+        if( back_ )
+        {
+                // Get hold of the PageTurn3DAction
+                return [CCReverseTime actionWithAction:
+                                [CCPageTurn3D actionWithSize:v duration:duration_]];
+        }
+        else
+        {
+                // Get hold of the PageTurn3DAction
+                return [CCPageTurn3D actionWithSize:v duration:duration_];
+        }
+}
+
+@end
+