/*

File: Bit.h

Abstract: A moveable item in a card/board game.

Version: 1.0

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*/

#import <Quartz/Quartz.h>

@class Game, Player;

@protocol BitHolder;

/** Standard Z positions */

enum {

    kBoardZ = 1,

    kCardZ  = 2,

    kPieceZ = 3,

    kPickedUpZ = 100

};

/** A moveable item in a card/board game.

    Abstract superclass of Card and Piece. */

@interface Bit : CALayer <NSCopying>

{

    @private

    int _restingZ;      // Original z position, saved while pickedUp

    Player *_owner;     // Player that owns this Bit

}

/** Conveniences for getting/setting the layer's scale and rotation */

@property CGFloat scale;

@property int rotation;         // in degrees! Positive = clockwise

/** "Picking up" a Bit makes it larger, translucent, and in front of everything else */

@property BOOL pickedUp;

/** Current holder (or nil) */

@property (readonly) id<BitHolder> holder;

/** Ownership of this Bit */

@property Player *owner;

/** Conveniences for owner.friendly, owner.unfriendly */

@property (readonly, getter=isFriendly)   BOOL friendly;

@property (readonly, getter=isUnfriendly) BOOL unfriendly;

/** Removes this Bit while running a explosion/fade-out animation */

- (void) destroy;

@end