//
//  EyeBlink.m
//  PopFizz
//
//  Created by Juraj Hlavac on 12/18/09.
//  Copyright 2009 __MyCompanyName__. All rights reserved.
//

#import "EyeBlink.h"

@implementation EyeBlink

+(id) actionWithOpenDuration:(ccTime)oD openVar:(ccTime)oV closedDuration:(ccTime)cD closedVar:(ccTime)cV openFrame:(CCSpriteFrame*)oF closedFrame:(CCSpriteFrame*)cF repeatForever:(bool)rF {
	return [[[self alloc] initWithOpenDuration:oD openVar:oV closedDuration:cD closedVar:cV openFrame:oF closedFrame:cF repeatForever:rF] autorelease];
}

-(id) initWithOpenDuration:(ccTime)oD openVar:(ccTime)oV closedDuration:(ccTime)cD closedVar:(ccTime)cV openFrame:(CCSpriteFrame*)oF closedFrame:(CCSpriteFrame*)cF repeatForever:(bool)rF {
	if((self=[super initWithDuration:(oD + cD)])) {
		_openDuration = oD;
		_openVar = oV;
		_closedDuration = cD;
		_closedVar = cV;
		_openFrame = oF;
		_closedFrame = cF;
		_repeatForever = rF;
	}
	return self;
}

-(id) copyWithZone:(NSZone*)zone {
	CCAction *copy = [[[self class] allocWithZone:zone] initWithOpenDuration:_openDuration openVar:_openVar closedDuration:_closedDuration closedVar:_closedVar openFrame:_openFrame closedFrame:_closedFrame repeatForever:_repeatForever];
	return copy;
}

-(void) startWithTarget:(id)aTarget {
	[super startWithTarget:aTarget];
	
	_actualOpenDuration = MAX(0.000001f, _openDuration + CCRANDOM_MINUS1_1() * _openVar);
	_actualClosedDuration = MAX(0.000001f, _closedDuration + CCRANDOM_MINUS1_1() * _closedVar);
	
	duration = _actualOpenDuration + _actualClosedDuration;
}

-(void) update:(ccTime)t {
	float slice = _actualClosedDuration / duration;
	if (t < slice)
		[self showClosed];
	else
		[self showOpen];
}

-(void) showClosed {
	if (_closedFrame) {
		[target setVisible:YES];
		[(CCSprite*)target setDisplayFrame:_closedFrame];
	}
	else {
		// just hide the target
		[target setVisible:NO];
	}
}

-(void) showOpen {
	if (_openFrame) {
		[target setVisible:YES];
		[(CCSprite*)target setDisplayFrame:_openFrame];
	}
	else {
		// just hide the target
		[target setVisible:NO];
	}
}

-(CCIntervalAction*) reverse {
	// return 'self'
	return [EyeBlink actionWithOpenDuration:_openDuration openVar:_openVar closedDuration:_closedDuration closedVar:_closedVar openFrame:_openFrame closedFrame:_closedFrame repeatForever:_repeatForever];
}

-(void) step:(ccTime) dt {
	[super step:dt];
	if(_repeatForever && [super isDone]) {
		[self startWithTarget:target];
	}
}

-(BOOL) isDone {
	return _repeatForever ? NO : [super isDone];
}

@end