CCSprite+hd.m

CCSprite+hd.h

@interface CCSprite ( hd )

+(id)spriteWithSpriteFrameName:(NSString*)spriteFrameName;

@end

CCSprite+hd.m

@implementation CCSprite ( hd )

+(id)spriteWithSpriteFrameName:(NSString*)spriteFrameName
{
	
	CCSpriteFrame *frame = nil;
	if( CC_CONTENT_SCALE_FACTOR() == 2 ) {
		
		
		// Add "-hd" suffix
		NSRange range = [spriteFrameName rangeOfString:CC_RETINA_DISPLAY_FILENAME_SUFFIX];
		if( range.location == NSNotFound ) {
			NSRange range = [spriteFrameName rangeOfString:@"."];
			if( range.location != NSNotFound ) {
				NSString *baseName = [spriteFrameName substringToIndex:range.location];
				NSString *extension = [spriteFrameName substringFromIndex:range.location];
				NSString *newLastname = [baseName stringByAppendingFormat:[NSString stringWithFormat:@"%@%@",CC_RETINA_DISPLAY_FILENAME_SUFFIX,extension]];
				frame = [[CCSpriteFrameCache sharedSpriteFrameCache] spriteFrameByName:newLastname];
				if( frame == nil )
					frame = [[CCSpriteFrameCache sharedSpriteFrameCache] spriteFrameByName:spriteFrameName];
				return [self spriteWithSpriteFrame:frame];
			}
		}
	}
	frame = [[CCSpriteFrameCache sharedSpriteFrameCache] spriteFrameByName:spriteFrameName];
	return [self spriteWithSpriteFrame:frame];
}

@end